🛠️ ViewModel passing code reformat

* Provided all viewModels through LocalComposition
* Removed passing viewModels as parameters

app/src/main/java/ua/acclorite/book_story/Activity.kt

@@ -19,6 +19,7 @@ import androidx.compose.ui.platform.LocalFocusManager
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.core.view.WindowCompat
 import dagger.hilt.android.AndroidEntryPoint
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.bottom_navigation_bar.BottomNavigationBar
 import ua.acclorite.book_story.presentation.components.custom_navigation_rail.CustomNavigationRail
 import ua.acclorite.book_story.presentation.data.MainViewModel
@@ -89,8 +90,8 @@ class Activity : AppCompatActivity() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
 
         setContent {
+            val state = LocalMainViewModel.current.state
             val isLoaded = mainViewModel.isReady.collectAsState()
-            val state = mainViewModel.state.collectAsState()
 
             val density = LocalDensity.current
             val imeInsets = WindowInsets.ime

app/src/main/java/ua/acclorite/book_story/domain/util/BaseViewModel.kt

@@ -0,0 +1,9 @@
+package ua.acclorite.book_story.domain.util
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.StateFlow
+
+abstract class BaseViewModel<S, E> : ViewModel() {
+    abstract val state: StateFlow<S>
+    abstract fun onEvent(event: E)
+}

app/src/main/java/ua/acclorite/book_story/presentation/components/ViewModelCompositionProvider.kt

@@ -0,0 +1,91 @@
+package ua.acclorite.book_story.presentation.components
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.ProvidableCompositionLocal
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.compositionLocalOf
+import androidx.hilt.navigation.compose.hiltViewModel
+import ua.acclorite.book_story.domain.util.BaseViewModel
+import ua.acclorite.book_story.presentation.data.MainEvent
+import ua.acclorite.book_story.presentation.data.MainState
+import ua.acclorite.book_story.presentation.data.MainViewModel
+import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
+import ua.acclorite.book_story.presentation.screens.about.data.AboutState
+import ua.acclorite.book_story.presentation.screens.about.data.AboutViewModel
+import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoEvent
+import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoState
+import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoViewModel
+import ua.acclorite.book_story.presentation.screens.about.nested.licenses.data.LicensesEvent
+import ua.acclorite.book_story.presentation.screens.about.nested.licenses.data.LicensesState
+import ua.acclorite.book_story.presentation.screens.about.nested.licenses.data.LicensesViewModel
+import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
+import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
+import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
+import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
+import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
+import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
+import ua.acclorite.book_story.presentation.screens.help.data.HelpEvent
+import ua.acclorite.book_story.presentation.screens.help.data.HelpState
+import ua.acclorite.book_story.presentation.screens.help.data.HelpViewModel
+import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
+import ua.acclorite.book_story.presentation.screens.history.data.HistoryState
+import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
+import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
+import ua.acclorite.book_story.presentation.screens.library.data.LibraryState
+import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
+import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
+import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
+import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
+import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
+import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
+import ua.acclorite.book_story.presentation.screens.settings.data.SettingsViewModel
+import ua.acclorite.book_story.presentation.screens.start.data.StartEvent
+import ua.acclorite.book_story.presentation.screens.start.data.StartState
+import ua.acclorite.book_story.presentation.screens.start.data.StartViewModel
+
+data class ViewModelComposition<S, E, V>(
+    val state: State<S>,
+    val onEvent: (E) -> Unit,
+    val viewModel: V
+)
+
+@Composable
+inline fun <reified V : BaseViewModel<S, E>, S, E> viewModelComposition(
+): ProvidableCompositionLocal<ViewModelComposition<S, E, V>> {
+    val viewModel: V = hiltViewModel()
+    val state = viewModel.state.collectAsState()
+
+    return compositionLocalOf {
+        ViewModelComposition(
+            state = state,
+            onEvent = viewModel::onEvent,
+            viewModel = viewModel
+        )
+    }
+}
+
+val LocalMainViewModel
+    @Composable get() = viewModelComposition<MainViewModel, MainState, MainEvent>()
+val LocalLibraryViewModel
+    @Composable get() = viewModelComposition<LibraryViewModel, LibraryState, LibraryEvent>()
+val LocalHistoryViewModel
+    @Composable get() = viewModelComposition<HistoryViewModel, HistoryState, HistoryEvent>()
+val LocalBrowseViewModel
+    @Composable get() = viewModelComposition<BrowseViewModel, BrowseState, BrowseEvent>()
+val LocalBookInfoViewModel
+    @Composable get() = viewModelComposition<BookInfoViewModel, BookInfoState, BookInfoEvent>()
+val LocalReaderViewModel
+    @Composable get() = viewModelComposition<ReaderViewModel, ReaderState, ReaderEvent>()
+val LocalSettingsViewModel
+    @Composable get() = viewModelComposition<SettingsViewModel, SettingsState, SettingsEvent>()
+val LocalAboutViewModel
+    @Composable get() = viewModelComposition<AboutViewModel, AboutState, AboutEvent>()
+val LocalLicensesViewModel
+    @Composable get() = viewModelComposition<LicensesViewModel, LicensesState, LicensesEvent>()
+val LocalLicenseInfoViewModel
+    @Composable get() = viewModelComposition<LicenseInfoViewModel, LicenseInfoState, LicenseInfoEvent>()
+val LocalHelpViewModel
+    @Composable get() = viewModelComposition<HelpViewModel, HelpState, HelpEvent>()
+val LocalStartViewModel
+    @Composable get() = viewModelComposition<StartViewModel, StartState, StartEvent>()

app/src/main/java/ua/acclorite/book_story/presentation/data/MainState.kt

@@ -82,6 +82,10 @@ data class MainState(
     val browseIncludedFilterItems: List<String> = provideDefaultValue { emptyList() },
 ) : Parcelable {
     companion object {
+        private fun <D> provideDefaultValue(calculation: () -> D): D {
+            return calculation()
+        }
+
         /**
          * Initializes [MainState] by given [Map].
          * If no value provided in [data], assigns default value.
@@ -209,8 +213,4 @@ data class MainState(
             }
         }
     }
-}
-
-private fun <D> provideDefaultValue(calculation: () -> D): D {
-    return calculation()
 }

app/src/main/java/ua/acclorite/book_story/presentation/data/MainViewModel.kt

@@ -1,7 +1,6 @@
 package ua.acclorite.book_story.presentation.data
 
 import androidx.lifecycle.SavedStateHandle
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -16,6 +15,7 @@ import ua.acclorite.book_story.domain.use_case.ChangeLanguage
 import ua.acclorite.book_story.domain.use_case.CheckForUpdates
 import ua.acclorite.book_story.domain.use_case.GetAllSettings
 import ua.acclorite.book_story.domain.use_case.SetDatastore
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.domain.util.DataStoreConstants
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
@@ -41,7 +41,7 @@ class MainViewModel @Inject constructor(
     private val changeLanguage: ChangeLanguage,
     private val checkForUpdates: CheckForUpdates,
     private val getAllSettings: GetAllSettings
-) : ViewModel() {
+) : BaseViewModel<MainState, MainEvent>() {
 
     private val _isReady = MutableStateFlow(false)
     val isReady = _isReady.asStateFlow()
@@ -52,9 +52,9 @@ class MainViewModel @Inject constructor(
     private val _state: MutableStateFlow<MainState> = MutableStateFlow(
         stateHandle[Constants.MAIN_STATE] ?: MainState()
     )
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
-    fun onEvent(event: MainEvent) {
+    override fun onEvent(event: MainEvent) {
         when (event) {
             is MainEvent.OnChangeLanguage -> {
                 viewModelScope.launch(Dispatchers.Main) {

app/src/main/java/ua/acclorite/book_story/presentation/data/Navigation.kt

@@ -44,6 +44,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.parcelize.Parcelize
 import kotlinx.serialization.Serializable
+import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.domain.util.Route
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.ui.Transitions
@@ -54,11 +55,14 @@ private const val USE_BACK_ANIM = "use_back_animation"
 private const val SCREENS = "screens"
 
 /**
- * Passed in [CompositionLocalProvider] and can be accessed through [LocalNavigator].current.
+ * Passed in [CompositionLocalProvider].
  */
 val LocalNavigator = compositionLocalOf<Navigator> {
     error("Cannot initialize Navigator.")
 }
+val LocalOnNavigate = compositionLocalOf<OnNavigate> {
+    error("Cannot initialize Navigator.")
+}
 
 /**
  * Screens. Should be [Serializable] to be able to pass them inside [SavedStateHandle].
@@ -434,7 +438,10 @@ fun NavigationHost(
             .background(colorBetweenAnimations)
     )
 
-    CompositionLocalProvider(LocalNavigator provides navigator) {
+    CompositionLocalProvider(
+        LocalNavigator provides navigator,
+        LocalOnNavigate provides { navigator.it() }
+    ) {
         content(navigator)
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/AboutScreen.kt

@@ -19,8 +19,6 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
@@ -29,51 +27,36 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalAboutViewModel
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.about.components.AboutItem
 import ua.acclorite.book_story.presentation.screens.about.components.AboutUpdateDialog
 import ua.acclorite.book_story.presentation.screens.about.components.badges.AboutBadges
 import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
-import ua.acclorite.book_story.presentation.screens.about.data.AboutState
-import ua.acclorite.book_story.presentation.screens.about.data.AboutViewModel
 
 @Composable
 fun AboutScreenRoot() {
-    val navigator = LocalNavigator.current
+    AboutScreen()
-    val aboutViewModel: AboutViewModel = hiltViewModel()
-
-    val state = aboutViewModel.state.collectAsState()
-
-    AboutScreen(
-        state = state,
-        onNavigate = { navigator.it() },
-        onEvent = aboutViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun AboutScreen(
+private fun AboutScreen() {
-    state: State<AboutState>,
+    val state = LocalAboutViewModel.current.state
-    onNavigate: OnNavigate,
+    val onEvent = LocalAboutViewModel.current.onEvent
-    onEvent: (AboutEvent) -> Unit
+    val onNavigate = LocalOnNavigate.current
-) {
     val context = LocalContext.current
+
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     if (state.value.showUpdateDialog) {
-        AboutUpdateDialog(
+        AboutUpdateDialog()
-            state = state,
-            onEvent = onEvent
-        )
     }
 
     Scaffold(
@@ -245,7 +228,7 @@ private fun AboutScreen(
             }
 
             item {
-                AboutBadges(onEvent = onEvent)
+                AboutBadges()
             }
         }
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/components/AboutUpdateDialog.kt

@@ -3,24 +3,22 @@ package ua.acclorite.book_story.presentation.screens.about.components
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Update
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalAboutViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
-import ua.acclorite.book_story.presentation.screens.about.data.AboutState
 
 /**
  * Update dialog. If there is app update transfers to the download page.
  */
 @Composable
-fun AboutUpdateDialog(
+fun AboutUpdateDialog() {
-    state: State<AboutState>,
+    val state = LocalAboutViewModel.current.state
-    onEvent: (AboutEvent) -> Unit
+    val onEvent = LocalAboutViewModel.current.onEvent
-) {
     val context = LocalContext.current
 
     val update = remember(state.value.showUpdateDialog) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/components/badges/AboutBadges.kt

@@ -13,6 +13,7 @@ import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.util.Constants
+import ua.acclorite.book_story.presentation.components.LocalAboutViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
@@ -21,14 +22,11 @@ import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
  * About Badges.
  * Links all ways to contact me.
  *
- * @param onEvent [AboutEvent] callback.
  * @param verticalPadding Vertical item padding.
  */
 @Composable
-fun AboutBadges(
+fun AboutBadges(verticalPadding: Dp = 18.dp) {
-    onEvent: (AboutEvent) -> Unit,
+    val onEvent = LocalAboutViewModel.current.onEvent
-    verticalPadding: Dp = 18.dp
-) {
     val context = LocalContext.current
 
     Box(

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/data/AboutViewModel.kt

@@ -3,7 +3,6 @@ package ua.acclorite.book_story.presentation.screens.about.data
 import android.content.Intent
 import android.net.Uri
 import androidx.activity.ComponentActivity
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -12,18 +11,19 @@ import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.use_case.CheckForUpdates
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.presentation.data.launchActivity
 import javax.inject.Inject
 
 @HiltViewModel
 class AboutViewModel @Inject constructor(
     private val checkForUpdates: CheckForUpdates,
-) : ViewModel() {
+) : BaseViewModel<AboutState, AboutEvent>() {
 
     private val _state = MutableStateFlow(AboutState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
-    fun onEvent(event: AboutEvent) {
+    override fun onEvent(event: AboutEvent) {
         when (event) {
             is AboutEvent.OnNavigateToBrowserPage -> {
                 viewModelScope.launch {

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/credits/CreditsScreen.kt

@@ -16,40 +16,32 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.util.Constants
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalAboutViewModel
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
 import ua.acclorite.book_story.presentation.components.customItems
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
-import ua.acclorite.book_story.presentation.screens.about.data.AboutViewModel
 import ua.acclorite.book_story.presentation.screens.about.nested.credits.components.CreditItem
 
 @Composable
 fun CreditsScreenRoot() {
-    val navigator = LocalNavigator.current
+    CreditsScreen()
-    val aboutViewModel: AboutViewModel = hiltViewModel()
-
-    CreditsScreen(
-        onNavigate = { navigator.it() },
-        onAboutNavigateEvent = aboutViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun CreditsScreen(
+private fun CreditsScreen() {
-    onNavigate: OnNavigate,
+    val onEvent = LocalAboutViewModel.current.onEvent
-    onAboutNavigateEvent: (AboutEvent.OnNavigateToBrowserPage) -> Unit
+    val onNavigate = LocalOnNavigate.current
-) {
-    val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
     val context = LocalContext.current
 
+    val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
+
     Scaffold(
         Modifier
             .fillMaxSize()
@@ -81,7 +73,7 @@ private fun CreditsScreen(
             customItems(Constants.CREDITS, key = { it.name }) {
                 CreditItem(credit = it) {
                     it.website?.let { website ->
-                        onAboutNavigateEvent(
+                        onEvent(
                             AboutEvent.OnNavigateToBrowserPage(
                                 page = website,
                                 context = context,

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/license_info/LicenseInfoScreen.kt

@@ -23,8 +23,6 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
@@ -33,56 +31,46 @@ import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalLicenseInfoViewModel
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
 import ua.acclorite.book_story.presentation.components.customItems
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoEvent
-import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoState
-import ua.acclorite.book_story.presentation.screens.about.nested.license_info.data.LicenseInfoViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.SlidingTransition
 
 @Composable
 fun LicenseInfoScreenRoot(screen: Screen.About.LicenseInfo) {
-    val navigator = LocalNavigator.current
+    val viewModel = LocalLicenseInfoViewModel.current.viewModel
+    val onNavigate = LocalOnNavigate.current
     val context = LocalContext.current
-    val licenseInfoViewModel: LicenseInfoViewModel = hiltViewModel()
-
-    val state = licenseInfoViewModel.state.collectAsState()
 
     LaunchedEffect(Unit) {
-        licenseInfoViewModel.init(
+        viewModel.init(
             screen = screen,
-            onNavigate = { navigator.it() },
+            onNavigate = onNavigate,
             context = context
         )
     }
 
-    LicenseInfoScreen(
+    LicenseInfoScreen()
-        state = state,
-        onNavigate = { navigator.it() },
-        onEvent = licenseInfoViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun LicenseInfoScreen(
+private fun LicenseInfoScreen() {
-    state: State<LicenseInfoState>,
+    val state = LocalLicenseInfoViewModel.current.state
-    onNavigate: OnNavigate,
+    val onEvent = LocalLicenseInfoViewModel.current.onEvent
-    onEvent: (LicenseInfoEvent) -> Unit
-) {
-    val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
     val context = LocalContext.current
+    val onNavigate = LocalOnNavigate.current
 
+    val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
     val licenses = remember(state.value.license?.licenses) {
         state.value.license?.licenses?.toList()
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/license_info/data/LicenseInfoViewModel.kt

@@ -4,7 +4,6 @@ import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import androidx.activity.ComponentActivity
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.mikepenz.aboutlibraries.Libs
 import com.mikepenz.aboutlibraries.util.withContext
@@ -14,18 +13,21 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.launchActivity
 import javax.inject.Inject
 
 @HiltViewModel
-class LicenseInfoViewModel @Inject constructor() : ViewModel() {
+class LicenseInfoViewModel @Inject constructor(
+
+) : BaseViewModel<LicenseInfoState, LicenseInfoEvent>() {
 
     private val _state = MutableStateFlow(LicenseInfoState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
-    fun onEvent(event: LicenseInfoEvent) {
+    override fun onEvent(event: LicenseInfoEvent) {
         when (event) {
             is LicenseInfoEvent.OnOpenLicensePage -> {
                 viewModelScope.launch {

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/licenses/LicensesScreen.kt

@@ -18,51 +18,40 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalLicensesViewModel
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
 import ua.acclorite.book_story.presentation.components.customItems
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.about.nested.licenses.components.LicenseItem
-import ua.acclorite.book_story.presentation.screens.about.nested.licenses.data.LicensesState
-import ua.acclorite.book_story.presentation.screens.about.nested.licenses.data.LicensesViewModel
 
 @Composable
 fun LicensesScreenRoot() {
-    val navigator = LocalNavigator.current
+    val viewModel = LocalLicensesViewModel.current.viewModel
     val context = LocalContext.current
-    val licensesViewModel: LicensesViewModel = hiltViewModel()
-
-    val state = licensesViewModel.state.collectAsState()
 
     LaunchedEffect(Unit) {
-        licensesViewModel.init(context)
+        viewModel.init(context)
     }
 
-    LicensesScreen(
+    LicensesScreen()
-        state = state,
-        onNavigate = { navigator.it() }
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun LicensesScreen(
+private fun LicensesScreen() {
-    state: State<LicensesState>,
+    val state = LocalLicensesViewModel.current.state
-    onNavigate: OnNavigate
+    val onNavigate = LocalOnNavigate.current
-) {
+
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState(
         state.value.listState
     )

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/licenses/data/LicensesEvent.kt

@@ -0,0 +1,6 @@
+package ua.acclorite.book_story.presentation.screens.about.nested.licenses.data
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+sealed class LicensesEvent

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/nested/licenses/data/LicensesViewModel.kt

@@ -1,7 +1,6 @@
 package ua.acclorite.book_story.presentation.screens.about.nested.licenses.data
 
 import android.content.Context
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.mikepenz.aboutlibraries.Libs
 import com.mikepenz.aboutlibraries.util.withJson
@@ -12,15 +11,18 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import javax.inject.Inject
 
 @HiltViewModel
 class LicensesViewModel @Inject constructor(
 
-) : ViewModel() {
+) : BaseViewModel<LicensesState, LicensesEvent>() {
 
     private val _state = MutableStateFlow(LicensesState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
+
+    override fun onEvent(event: LicensesEvent) {}
 
     fun init(context: Context) {
         viewModelScope.launch(Dispatchers.IO) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/BookInfoScreen.kt

@@ -37,20 +37,17 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomSnackbar
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.book_info.components.BookInfoBackground
 import ua.acclorite.book_story.presentation.screens.book_info.components.BookInfoDescriptionSection
@@ -63,60 +60,36 @@ import ua.acclorite.book_story.presentation.screens.book_info.components.details
 import ua.acclorite.book_story.presentation.screens.book_info.components.dialog.BookInfoDeleteDialog
 import ua.acclorite.book_story.presentation.screens.book_info.components.dialog.BookInfoMoveDialog
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 
 @Composable
 fun BookInfoScreenRoot(screen: Screen.BookInfo) {
-    val navigator = LocalNavigator.current
+    val viewModel = LocalBookInfoViewModel.current.viewModel
-
+    val onNavigate = LocalOnNavigate.current
-    val viewModel: BookInfoViewModel = hiltViewModel()
-    val libraryViewModel: LibraryViewModel = hiltViewModel()
-    val historyViewModel: HistoryViewModel = hiltViewModel()
-    val browseViewModel: BrowseViewModel = hiltViewModel()
-
-    val state = viewModel.state.collectAsState()
 
     LaunchedEffect(Unit) {
         viewModel.init(
             screen = screen,
-            onNavigate = { navigator.it() }
+            onNavigate = onNavigate
         )
     }
 
+    BookInfoScreen()
+
     DisposableEffect(Unit) {
         onDispose {
             viewModel.clearViewModel()
         }
     }
-
-    BookInfoScreen(
-        state = state,
-        onNavigate = { navigator.it() },
-        onEvent = viewModel::onEvent,
-        onLibraryEvent = libraryViewModel::onEvent,
-        onBrowseEvent = browseViewModel::onEvent,
-        onHistoryEvent = historyViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
-private fun BookInfoScreen(
+private fun BookInfoScreen() {
-    state: State<BookInfoState>,
-    onNavigate: OnNavigate,
-    onEvent: (BookInfoEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit,
-    onBrowseEvent: (BrowseEvent) -> Unit,
-    onHistoryEvent: (HistoryEvent) -> Unit
-) {
     val context = LocalContext.current
+    val state = LocalBookInfoViewModel.current.state
+    val onEvent = LocalBookInfoViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
+
     val listState = rememberLazyListState()
     val snackbarState = remember { SnackbarHostState() }
     val refreshState = rememberPullRefreshState(
@@ -132,42 +105,19 @@ private fun BookInfoScreen(
     )
 
     if (state.value.showChangeCoverBottomSheet) {
-        BookInfoChangeCoverBottomSheet(
+        BookInfoChangeCoverBottomSheet()
-            state = state,
-            onEvent = onEvent,
-            onLibraryUpdateEvent = onLibraryEvent,
-            onHistoryUpdateEvent = onHistoryEvent
-        )
     }
     if (state.value.showDetailsBottomSheet) {
-        BookInfoDetailsBottomSheet(
+        BookInfoDetailsBottomSheet()
-            state = state,
-            onEvent = onEvent
-        )
     }
     if (state.value.showDeleteDialog) {
-        BookInfoDeleteDialog(
+        BookInfoDeleteDialog()
-            onEvent = onEvent,
-            onLibraryLoadEvent = onLibraryEvent,
-            onHistoryLoadEvent = onHistoryEvent,
-            onBrowseLoadEvent = onBrowseEvent
-        )
     }
     if (state.value.showMoveDialog) {
-        BookInfoMoveDialog(
+        BookInfoMoveDialog()
-            state = state,
-            onEvent = onEvent,
-            onLibraryEvent = onLibraryEvent,
-            onHistoryUpdateEvent = onHistoryEvent
-        )
     }
     if (state.value.showConfirmUpdateDialog) {
-        BookInfoConfirmUpdateDialog(
+        BookInfoConfirmUpdateDialog(snackbarHostState = snackbarState)
-            snackbarHostState = snackbarState,
-            onEvent = onEvent,
-            onLibraryUpdateEvent = onLibraryEvent,
-            onHistoryUpdateEvent = onHistoryEvent
-        )
     }
 
     Scaffold(
@@ -179,11 +129,6 @@ private fun BookInfoScreen(
         containerColor = MaterialTheme.colorScheme.surface,
         topBar = {
             BookInfoTopBar(
-                state = state,
-                onEvent = onEvent,
-                onLibraryEvent = onLibraryEvent,
-                onHistoryEvent = onHistoryEvent,
-                onNavigate = onNavigate,
                 listState = listState,
                 snackbarState = snackbarState
             )
@@ -216,7 +161,7 @@ private fun BookInfoScreen(
                         Column(Modifier.fillMaxWidth()) {
                             Spacer(modifier = Modifier.height(paddingValues.calculateTopPadding() + 12.dp))
                             // Info
-                            BookInfoInfoSection(state = state, onEvent = onEvent)
+                            BookInfoInfoSection()
                         }
                     }
                 }
@@ -224,16 +169,13 @@ private fun BookInfoScreen(
                 item {
                     Spacer(modifier = Modifier.height(24.dp))
                     // Statistic
-                    BookInfoStatisticSection(state = state)
+                    BookInfoStatisticSection()
                 }
 
                 item {
                     Spacer(modifier = Modifier.height(24.dp))
                     // Description
-                    BookInfoDescriptionSection(
+                    BookInfoDescriptionSection()
-                        state = state,
-                        onEvent = onEvent
-                    )
                 }
             }
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoDescriptionSection.kt

@@ -13,7 +13,6 @@ import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -26,21 +25,18 @@ import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 
 /**
  * Description section.
- *
- * @param state [BookInfoState].
- * @param onEvent [BookInfoEvent] callback.
  */
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
-fun BookInfoDescriptionSection(
+fun BookInfoDescriptionSection() {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-) {
+
     val descriptionFocusRequester = remember { FocusRequester() }
 
     if (!state.value.editDescription) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoInfoSection.kt

@@ -25,7 +25,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -40,21 +39,18 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomCoverImage
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 
 /**
  * BookInfo's Info section.
- *
- * @param state [BookInfoState] instance.
- * @param onEvent [BookInfoEvent] callback.
  */
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
-fun BookInfoInfoSection(
+fun BookInfoInfoSection() {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-) {
+
     val titleFocusRequester = remember { FocusRequester() }
     val authorFocusRequester = remember { FocusRequester() }
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoMoreDropDown.kt

@@ -9,7 +9,6 @@ import androidx.compose.material.icons.outlined.Info
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -20,18 +19,17 @@ import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomDropDownMenuItem
 import ua.acclorite.book_story.presentation.components.CustomIconButton
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 
 /**
  * Book info more dropdown. Has three options: Delete, Move and Details.
  */
 @Composable
-fun BookInfoMoreDropDown(
+fun BookInfoMoreDropDown(snackbarState: SnackbarHostState) {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit,
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-    snackbarState: SnackbarHostState
+
-) {
     var showDropDown by remember { mutableStateOf(false) }
 
     Box {

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoStatisticSection.kt

@@ -9,7 +9,6 @@ import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.StrokeCap
@@ -17,15 +16,17 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
 import ua.acclorite.book_story.presentation.data.removeDigits
 import ua.acclorite.book_story.presentation.data.removeTrailingZero
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 
 /**
  * Statistic section.
  */
 @Composable
-fun BookInfoStatisticSection(state: State<BookInfoState>) {
+fun BookInfoStatisticSection() {
+    val state = LocalBookInfoViewModel.current.state
+
     val progress = remember(state.value.book) {
         "${
             (state.value.book.progress * 100)

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoTopBar.kt

@@ -13,20 +13,21 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextOverflow
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.AnimatedTopAppBar
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
@@ -35,26 +36,22 @@ import ua.acclorite.book_story.presentation.ui.Transitions
 /**
  * Book Info Top Bar.
  *
- * @param state [BookInfoState].
- * @param onEvent [BookInfoEvent] callback.
- * @param onLibraryEvent [LibraryEvent] callback.
- * @param onHistoryEvent [HistoryEvent] callback.
- * @param onNavigate Navigator callback.
  * @param listState [LazyListState].
  * @param snackbarState [SnackbarHostState].
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun BookInfoTopBar(
-    state: State<BookInfoState>,
-    onEvent: (BookInfoEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit,
-    onHistoryEvent: (HistoryEvent) -> Unit,
-    onNavigate: OnNavigate,
     listState: LazyListState,
     snackbarState: SnackbarHostState
 ) {
+    val state = LocalBookInfoViewModel.current.state
+    val onEvent = LocalBookInfoViewModel.current.onEvent
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
     val context = LocalContext.current
+
     val firstVisibleItemIndex by remember { derivedStateOf { listState.firstVisibleItemIndex } }
 
     AnimatedTopAppBar(
@@ -125,11 +122,7 @@ fun BookInfoTopBar(
                             !state.value.editAuthor &&
                             !state.value.editDescription
                 ) {
-                    BookInfoMoreDropDown(
+                    BookInfoMoreDropDown(snackbarState = snackbarState)
-                        state = state,
-                        onEvent = onEvent,
-                        snackbarState = snackbarState
-                    )
                 }
                 CustomAnimatedVisibility(
                     visible = state.value.editTitle ||
@@ -175,7 +168,8 @@ fun BookInfoTopBar(
                                     onLibraryEvent(LibraryEvent.OnUpdateBook(it))
                                     onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                                 }
-                            ))
+                            )
+                        )
                     }
                 }
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/change_cover_bottom_sheet/BookInfoChangeCoverBottomSheet.kt

@@ -13,35 +13,31 @@ import androidx.compose.material.icons.filled.ImageSearch
 import androidx.compose.material.icons.filled.Restore
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomBottomSheet
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 
 /**
  * Change cover bottom sheet. Lets user select photo from the gallery and replaces old one.
- *
- * @param state [BookInfoState] instance.
- * @param onEvent [BookInfoEvent] callback.
- * @param onLibraryUpdateEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @Composable
-fun BookInfoChangeCoverBottomSheet(
+fun BookInfoChangeCoverBottomSheet() {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onLibraryUpdateEvent: (LibraryEvent.OnUpdateBook) -> Unit,
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-) {
     val context = LocalContext.current
+
     val photoPicker = rememberLauncherForActivityResult(
         contract = ActivityResultContracts.PickVisualMedia(),
         onResult = { uri ->
@@ -51,8 +47,8 @@ fun BookInfoChangeCoverBottomSheet(
                         uri,
                         context,
                         refreshList = {
-                            onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                            onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                            onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                            onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                         }
                     )
                 )
@@ -83,8 +79,8 @@ fun BookInfoChangeCoverBottomSheet(
                         onEvent(
                             BookInfoEvent.OnResetCoverImage(
                                 refreshList = {
-                                    onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                                    onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                                    onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                                    onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                                 },
                                 showResult = {
                                     it.asString(context).showToast(context = context)
@@ -117,8 +113,8 @@ fun BookInfoChangeCoverBottomSheet(
                         onEvent(
                             BookInfoEvent.OnDeleteCover(
                                 refreshList = {
-                                    onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                                    onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                                    onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                                    onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                                 }
                             )
                         )

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/confirm_update_dialog/BookInfoConfirmUpateDialog.kt

@@ -7,6 +7,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
@@ -17,17 +20,12 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
  * Updates book if action clicked.
  *
  * @param snackbarHostState [SnackbarHostState].
- * @param onEvent [BookInfoEvent] callback.
- * @param onLibraryUpdateEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @Composable
-fun BookInfoConfirmUpdateDialog(
+fun BookInfoConfirmUpdateDialog(snackbarHostState: SnackbarHostState) {
-    snackbarHostState: SnackbarHostState,
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-    onEvent: (BookInfoEvent) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onLibraryUpdateEvent: (LibraryEvent.OnUpdateBook) -> Unit,
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit,
-) {
     val context = LocalContext.current
 
     CustomDialogWithContent(
@@ -45,20 +43,12 @@ fun BookInfoConfirmUpdateDialog(
                     snackbarState = snackbarHostState,
                     context = context,
                     refreshList = {
-                        onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                        onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                        onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                        onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                     }
                 )
             )
         },
         withDivider = false
     )
-}
+}
-
-
-
-
-
-
-
-

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/details_bottom_sheet/BookInfoDetailsBottomSheet.kt

@@ -4,7 +4,6 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
@@ -12,9 +11,9 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomBottomSheet
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Date
@@ -22,15 +21,11 @@ import java.util.Locale
 
 /**
  * Details bottom sheet. Displays name, path, last opened and size of the file.
- *
- * @param state [BookInfoState] instance.
- * @param onEvent [BookInfoEvent] callback.
  */
 @Composable
-fun BookInfoDetailsBottomSheet(
+fun BookInfoDetailsBottomSheet() {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-) {
     val context = LocalContext.current
 
     val pattern = remember {

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/dialog/BookInfoDeleteDialog.kt

@@ -6,8 +6,12 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
@@ -16,20 +20,14 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 
 /**
  * Delete dialog. Deletes current book.
- *
- * @param onEvent [BookInfoEvent] callback.
- * @param onLibraryLoadEvent [LibraryEvent] callback.
- * @param onHistoryLoadEvent [HistoryEvent] callback.
- * @param onBrowseLoadEvent [BrowseEvent] callback.
  */
 @Composable
-fun BookInfoDeleteDialog(
+fun BookInfoDeleteDialog() {
-    onEvent: (BookInfoEvent) -> Unit,
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-    onLibraryLoadEvent: (LibraryEvent.OnLoadList) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onHistoryLoadEvent: (HistoryEvent.OnLoadList) -> Unit,
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-    onBrowseLoadEvent: (BrowseEvent.OnLoadList) -> Unit
+    val onBrowseEvent = LocalBrowseViewModel.current.onEvent
-) {
+    val onNavigate = LocalOnNavigate.current
-    val navigator = LocalNavigator.current
     val context = LocalContext.current
 
     CustomDialogWithContent(
@@ -45,11 +43,11 @@ fun BookInfoDeleteDialog(
         onAction = {
             onEvent(
                 BookInfoEvent.OnDeleteBook(
-                    onNavigate = { navigator.it() },
+                    onNavigate = onNavigate,
                     refreshList = {
-                        onLibraryLoadEvent(LibraryEvent.OnLoadList)
+                        onLibraryEvent(LibraryEvent.OnLoadList)
-                        onBrowseLoadEvent(BrowseEvent.OnLoadList)
+                        onBrowseEvent(BrowseEvent.OnLoadList)
-                        onHistoryLoadEvent(HistoryEvent.OnLoadList)
+                        onHistoryEvent(HistoryEvent.OnLoadList)
                     }
                 )
             )

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/dialog/BookInfoMoveDialog.kt

@@ -4,39 +4,34 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.outlined.DriveFileMove
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Category
+import ua.acclorite.book_story.presentation.components.LocalBookInfoViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithLazyColumn
 import ua.acclorite.book_story.presentation.components.custom_dialog.SelectableDialogItem
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
-import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoState
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 
 /**
  * Move dialog.
  * Moves current book to the selected category.
- *
- * @param state [BookInfoState].
- * @param onEvent [BookInfoEvent] callback.
- * @param onLibraryEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @Composable
-fun BookInfoMoveDialog(
+fun BookInfoMoveDialog() {
-    state: State<BookInfoState>,
+    val state = LocalBookInfoViewModel.current.state
-    onEvent: (BookInfoEvent) -> Unit,
+    val onEvent = LocalBookInfoViewModel.current.onEvent
-    onLibraryEvent: (LibraryEvent) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-) {
+    val onNavigate = LocalOnNavigate.current
-    val navigator = LocalNavigator.current
     val context = LocalContext.current
 
     val categories = remember {
@@ -61,12 +56,12 @@ fun BookInfoMoveDialog(
                 BookInfoEvent.OnMoveBook(
                     refreshList = {
                         onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                        onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                        onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                     },
                     updatePage = {
                         onLibraryEvent(LibraryEvent.OnUpdateCurrentPage(it))
                     },
-                    onNavigate = { navigator.it() }
+                    onNavigate = onNavigate
                 )
             )
             context.getString(R.string.book_moved)

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/data/BookInfoViewModel.kt

@@ -8,7 +8,6 @@ import android.content.Context.CLIPBOARD_SERVICE
 import android.graphics.BitmapFactory
 import android.os.Build
 import androidx.compose.material3.SnackbarResult
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -34,6 +33,7 @@ import ua.acclorite.book_story.domain.use_case.ResetCoverImage
 import ua.acclorite.book_story.domain.use_case.UpdateBookWithText
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
 import ua.acclorite.book_story.domain.use_case.UpdateCoverImageOfBook
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.domain.util.UIText
 import ua.acclorite.book_story.presentation.data.Screen
@@ -54,17 +54,17 @@ class BookInfoViewModel @Inject constructor(
     private val getText: GetText,
     private val canResetCover: CanResetCover,
     private val resetCoverImage: ResetCoverImage,
-) : ViewModel() {
+) : BaseViewModel<BookInfoState, BookInfoEvent>() {
 
     private val _state = MutableStateFlow(BookInfoState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private var eventJob = SupervisorJob()
 
     private var snackBarJob: Job? = null
     private var updateJob: Job? = null
 
-    fun onEvent(event: BookInfoEvent) {
+    override fun onEvent(event: BookInfoEvent) {
         viewModelScope.launch(eventJob + Dispatchers.Main) {
             when (event) {
                 is BookInfoEvent.OnShowHideChangeCoverBottomSheet -> {

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/BrowseScreen.kt

@@ -14,24 +14,19 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
-import androidx.hilt.navigation.compose.hiltViewModel
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.PermissionState
 import com.google.accompanist.permissions.rememberPermissionState
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.SelectableFile
-import ua.acclorite.book_story.domain.util.OnNavigate
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
-import ua.acclorite.book_story.presentation.data.MainEvent
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.browse.components.BrowseEmptyPlaceholder
@@ -41,23 +36,16 @@ import ua.acclorite.book_story.presentation.screens.browse.components.filter_bot
 import ua.acclorite.book_story.presentation.screens.browse.components.layout.BrowseLayout
 import ua.acclorite.book_story.presentation.screens.browse.components.top_bar.BrowseTopBar
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseFilesStructure
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun BrowseScreenRoot() {
-    val navigator = LocalNavigator.current
+    val state = LocalBrowseViewModel.current.state
-    val viewModel: BrowseViewModel = hiltViewModel()
+    val mainState = LocalMainViewModel.current.state
-    val libraryViewModel: LibraryViewModel = hiltViewModel()
+    val onEvent = LocalBrowseViewModel.current.onEvent
-    val mainViewModel: MainViewModel = hiltViewModel()
+    val viewModel = LocalBrowseViewModel.current.viewModel
-
-    val state = viewModel.state.collectAsState()
-    val mainState = mainViewModel.state.collectAsState()
 
     val permissionState = rememberPermissionState(
         permission = Manifest.permission.READ_EXTERNAL_STORAGE
@@ -72,22 +60,14 @@ fun BrowseScreenRoot() {
     }
 
     LaunchedEffect(Unit) {
-        viewModel.onEvent(BrowseEvent.OnUpdateScrollOffset)
+        onEvent(BrowseEvent.OnUpdateScrollOffset)
-        viewModel.onEvent(
+        onEvent(BrowseEvent.OnPermissionCheck(permissionState))
-            BrowseEvent.OnPermissionCheck(permissionState)
-        )
     }
 
 
     BrowseScreen(
-        state = state,
-        mainState = mainState,
         permissionState = permissionState,
         filteredFiles = filteredFiles.value,
-        onNavigate = { navigator.it() },
-        onEvent = viewModel::onEvent,
-        onMainEvent = mainViewModel::onEvent,
-        onLibraryEvent = libraryViewModel::onEvent
     )
 
     DisposableEffect(Unit) {
@@ -103,16 +83,15 @@ fun BrowseScreenRoot() {
 )
 @Composable
 private fun BrowseScreen(
-    state: State<BrowseState>,
-    mainState: State<MainState>,
     permissionState: PermissionState,
-    filteredFiles: List<SelectableFile>,
+    filteredFiles: List<SelectableFile>
-    onNavigate: OnNavigate,
-    onEvent: (BrowseEvent) -> Unit,
-    onMainEvent: (MainEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit
 ) {
+    val state = LocalBrowseViewModel.current.state
+    val mainState = LocalMainViewModel.current.state
+    val onEvent = LocalBrowseViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
     val context = LocalContext.current
+
     val refreshState = rememberPullRefreshState(
         refreshing = state.value.isRefreshing,
         onRefresh = {
@@ -121,22 +100,13 @@ private fun BrowseScreen(
     )
 
     if (state.value.requestPermissionDialog) {
-        BrowseStoragePermissionDialog(onEvent, permissionState)
+        BrowseStoragePermissionDialog(permissionState)
     }
     if (state.value.showAddingDialog) {
-        BrowseAddingDialog(
+        BrowseAddingDialog()
-            state = state,
-            onEvent = onEvent,
-            onLibraryEvent = onLibraryEvent
-        )
     }
     if (state.value.showFilterBottomSheet) {
-        BrowseFilterBottomSheet(
+        BrowseFilterBottomSheet()
-            state = state,
-            mainState = mainState,
-            onMainEvent = onMainEvent,
-            onEvent = onEvent
-        )
     }
 
     Scaffold(
@@ -145,12 +115,7 @@ private fun BrowseScreen(
             .pullRefresh(refreshState),
         containerColor = MaterialTheme.colorScheme.surface,
         topBar = {
-            BrowseTopBar(
+            BrowseTopBar(filteredFiles = filteredFiles)
-                state = state,
-                mainState = mainState,
-                filteredFiles = filteredFiles,
-                onEvent = onEvent
-            )
         }
     ) { padding ->
         Box(
@@ -160,8 +125,6 @@ private fun BrowseScreen(
         ) {
             DefaultTransition(visible = !state.value.isLoading) {
                 BrowseLayout(
-                    state = state,
-                    mainState = mainState,
                     filteredFiles = filteredFiles,
                     onLongItemClick = { selectableFile ->
                         when (selectableFile.isDirectory) {
@@ -223,11 +186,8 @@ private fun BrowseScreen(
             }
 
             BrowseEmptyPlaceholder(
-                state = state,
                 isFilesEmpty = filteredFiles.isEmpty(),
                 storagePermissionState = permissionState,
-                onNavigate = onNavigate,
-                onEvent = onEvent
             )
 
             PullRefreshIndicator(
@@ -255,9 +215,7 @@ private fun BrowseScreen(
             state.value.inNestedDirectory
             && mainState.value.browseFilesStructure != BrowseFilesStructure.ALL_FILES
         ) {
-            onEvent(
+            onEvent(BrowseEvent.OnGoBackDirectory)
-                BrowseEvent.OnGoBackDirectory
-            )
             return@BackHandler
         }
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/BrowseEmptyPlaceholder.kt

@@ -2,7 +2,6 @@ package ua.acclorite.book_story.presentation.screens.browse.components
 
 import androidx.compose.foundation.layout.BoxScope
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
@@ -10,34 +9,32 @@ import androidx.compose.ui.res.stringResource
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.PermissionState
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
 import ua.acclorite.book_story.presentation.components.is_messages.IsEmpty
 import ua.acclorite.book_story.presentation.components.is_messages.IsError
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.ui.Transitions
 
 /**
  * Browse Empty Placeholder.
  * Shows error or empty message.
  *
- * @param state [BrowseState].
  * @param isFilesEmpty Whether the list is empty.
  * @param storagePermissionState Storage [PermissionState].
- * @param onNavigate Navigator callback.
- * @param onEvent [BrowseEvent] callback.
  */
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun BoxScope.BrowseEmptyPlaceholder(
-    state: State<BrowseState>,
     isFilesEmpty: Boolean,
-    storagePermissionState: PermissionState,
+    storagePermissionState: PermissionState
-    onNavigate: OnNavigate,
-    onEvent: (BrowseEvent) -> Unit
 ) {
+    val state = LocalBrowseViewModel.current.state
+    val onEvent = LocalBrowseViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
+
     CustomAnimatedVisibility(
         visible = state.value.isError,
         modifier = Modifier.align(Alignment.Center),

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/BrowseStoragePermissionDialog.kt

@@ -9,22 +9,22 @@ import androidx.compose.ui.res.stringResource
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.PermissionState
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
 
 /**
  * Storage permission dialog.
  *
- * @param onEvent [BrowseEvent] callback.
  * @param permissionState Storage [PermissionState].
  */
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun BrowseStoragePermissionDialog(
-    onEvent: (BrowseEvent) -> Unit,
     permissionState: PermissionState
 ) {
     val activity = LocalContext.current as ComponentActivity
+    val onEvent = LocalBrowseViewModel.current.onEvent
 
     CustomDialogWithContent(
         title = stringResource(id = R.string.storage_permission),

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/adding_dialog/BrowseAddingDialog.kt

@@ -9,7 +9,6 @@ import androidx.compose.material.icons.filled.AddChart
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.StrokeCap
@@ -18,30 +17,26 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.NullableBook
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithLazyColumn
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 
 /**
  * Adding dialog.
  * Adds all selected books to the Library.
- *
- * @param state [BrowseState].
- * @param onEvent [BrowseEvent] callback.
- * @param onLibraryEvent [LibraryEvent] callback.
  */
 @Composable
-fun BrowseAddingDialog(
+fun BrowseAddingDialog() {
-    state: State<BrowseState>,
-    onEvent: (BrowseEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit
-) {
     val context = LocalContext.current
-    val navigator = LocalNavigator.current
+    val state = LocalBrowseViewModel.current.state
+    val onEvent = LocalBrowseViewModel.current.onEvent
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
 
     CustomDialogWithLazyColumn(
         title = stringResource(id = R.string.add_books),
@@ -54,7 +49,7 @@ fun BrowseAddingDialog(
         onAction = {
             onEvent(
                 BrowseEvent.OnAddBooks(
-                    onNavigate = { navigator.it() },
+                    onNavigate = onNavigate,
                     resetScroll = {
                         onLibraryEvent(LibraryEvent.OnUpdateCurrentPage(0))
                         onLibraryEvent(LibraryEvent.OnLoadList)

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/filter_bottom_sheet/BrowseFilterBottomSheet.kt

@@ -8,14 +8,11 @@ import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.presentation.components.CustomBottomSheet
-import ua.acclorite.book_story.presentation.data.MainEvent
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseFilterSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseGeneralSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseSortSubcategory
@@ -23,19 +20,12 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.compo
 /**
  * Browse Filter Bottom Sheet.
  * Lets user sort, filter and change appearance of the Browse.
- *
- * @param state [BrowseState].
- * @param mainState [MainState].
- * @param onMainEvent [MainEvent] callback.
- * @param onEvent [BrowseEvent] callback.
  */
 @Composable
-fun BrowseFilterBottomSheet(
+fun BrowseFilterBottomSheet() {
-    state: State<BrowseState>,
+    val state = LocalBrowseViewModel.current.state
-    mainState: State<MainState>,
+    val onEvent = LocalBrowseViewModel.current.onEvent
-    onMainEvent: (MainEvent) -> Unit,
+
-    onEvent: (BrowseEvent) -> Unit
-) {
     val pagerState = rememberPagerState(state.value.currentPage) { 3 }
 
     LaunchedEffect(pagerState.currentPage) {
@@ -67,8 +57,6 @@ fun BrowseFilterBottomSheet(
                 0 -> {
                     LazyColumn(Modifier.fillMaxSize()) {
                         BrowseGeneralSubcategory(
-                            state = mainState,
-                            onMainEvent = onMainEvent,
                             showTitle = false,
                             topPadding = 16.dp,
                             bottomPadding = 8.dp + it
@@ -79,8 +67,6 @@ fun BrowseFilterBottomSheet(
                 1 -> {
                     LazyColumn(Modifier.fillMaxSize()) {
                         BrowseFilterSubcategory(
-                            state = mainState,
-                            onMainEvent = onMainEvent,
                             showTitle = false,
                             topPadding = 16.dp,
                             bottomPadding = 8.dp + it
@@ -91,8 +77,6 @@ fun BrowseFilterBottomSheet(
                 2 -> {
                     LazyColumn(Modifier.fillMaxSize()) {
                         BrowseSortSubcategory(
-                            state = mainState,
-                            onMainEvent = onMainEvent,
                             showTitle = false,
                             topPadding = 16.dp,
                             bottomPadding = 8.dp + it

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/layout/BrowseLayout.kt

@@ -1,20 +1,16 @@
 package ua.acclorite.book_story.presentation.screens.browse.components.layout
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import ua.acclorite.book_story.domain.model.SelectableFile
-import ua.acclorite.book_story.presentation.data.MainState
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.screens.browse.components.layout.grid.BrowseGridLayout
 import ua.acclorite.book_story.presentation.screens.browse.components.layout.list.BrowseListLayout
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 
 /**
  * Browse Layout.
  * Shows Grid or List.
  *
- * @param state [BrowseState].
- * @param mainState [MainState].
  * @param filteredFiles Filtered items.
  * @param onLongItemClick OnLongItemClick callback.
  * @param onFavoriteItemClick OnFavoriteItemClick callback.
@@ -22,17 +18,16 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.
  */
 @Composable
 fun BrowseLayout(
-    state: State<BrowseState>,
-    mainState: State<MainState>,
     filteredFiles: List<SelectableFile>,
     onLongItemClick: (SelectableFile) -> Unit,
     onFavoriteItemClick: (SelectableFile) -> Unit,
     onItemClick: (SelectableFile) -> Unit
 ) {
+    val mainState = LocalMainViewModel.current.state
+
     when (mainState.value.browseLayout) {
         BrowseLayout.LIST -> {
             BrowseListLayout(
-                state = state,
                 filteredFiles = filteredFiles,
                 onLongItemClick = onLongItemClick,
                 onFavoriteItemClick = onFavoriteItemClick,
@@ -42,7 +37,6 @@ fun BrowseLayout(
 
         BrowseLayout.GRID -> {
             BrowseGridLayout(
-                state = state,
                 gridSize = mainState.value.browseGridSize,
                 autoGridSize = mainState.value.browseAutoGridSize,
                 filteredFiles = filteredFiles,

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/layout/grid/BrowseGridLayout.kt

@@ -7,19 +7,17 @@ import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.lazy.grid.GridCells
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.domain.model.SelectableFile
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.header
 import ua.acclorite.book_story.presentation.screens.browse.components.layout.BrowseItem
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 
 @Composable
 fun BrowseGridLayout(
-    state: State<BrowseState>,
     gridSize: Int,
     autoGridSize: Boolean,
     filteredFiles: List<SelectableFile>,
@@ -27,6 +25,8 @@ fun BrowseGridLayout(
     onFavoriteItemClick: (SelectableFile) -> Unit,
     onItemClick: (SelectableFile) -> Unit,
 ) {
+    val state = LocalBrowseViewModel.current.state
+
     LazyVerticalGrid(
         columns = if (autoGridSize) GridCells.Adaptive(170.dp)
         else GridCells.Fixed(gridSize.coerceAtLeast(1)),

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/layout/list/BrowseListLayout.kt

@@ -5,23 +5,23 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.domain.model.SelectableFile
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.screens.browse.components.layout.BrowseItem
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 
 @Composable
 fun BrowseListLayout(
-    state: State<BrowseState>,
     filteredFiles: List<SelectableFile>,
     onLongItemClick: (SelectableFile) -> Unit,
     onFavoriteItemClick: (SelectableFile) -> Unit,
     onItemClick: (SelectableFile) -> Unit,
 ) {
+    val state = LocalBrowseViewModel.current.state
+
     LazyColumn(
         state = state.value.listState,
         modifier = Modifier

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/top_bar/BrowseTopBar.kt

@@ -22,7 +22,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -39,10 +38,10 @@ import ua.acclorite.book_story.presentation.components.AnimatedTopAppBar
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.CustomSearchTextField
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.MoreDropDown
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseFilesStructure
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 import ua.acclorite.book_story.presentation.ui.FadeTransitionPreservingSpace
@@ -50,19 +49,15 @@ import ua.acclorite.book_story.presentation.ui.FadeTransitionPreservingSpace
 /**
  * Browse Top Bar.
  *
- * @param state [BrowseState].
- * @param mainState [MainState].
  * @param filteredFiles Filtered files.
- * @param onEvent [BrowseEvent] callback.
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun BrowseTopBar(
+fun BrowseTopBar(filteredFiles: List<SelectableFile>) {
-    state: State<BrowseState>,
+    val state = LocalBrowseViewModel.current.state
-    mainState: State<MainState>,
+    val mainState = LocalMainViewModel.current.state
-    filteredFiles: List<SelectableFile>,
+    val onEvent = LocalBrowseViewModel.current.onEvent
-    onEvent: (BrowseEvent) -> Unit
+
-) {
     val focusRequester = remember { FocusRequester() }
     val selectedDirectoryName = remember {
         mutableStateOf(state.value.selectedDirectory.name)
@@ -245,11 +240,7 @@ fun BrowseTopBar(
         },
 
         customContent = {
-            BrowseTopBarDirectoryPath(
+            BrowseTopBarDirectoryPath()
-                state = state,
-                mainState = mainState,
-                onEvent = onEvent
-            )
         }
     )
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/top_bar/BrowseTopBarDirectoryPath.kt

@@ -19,7 +19,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -28,20 +27,20 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.customItemsIndexed
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseFilesStructure
 import java.io.File
 
 @Composable
-fun BrowseTopBarDirectoryPath(
+fun BrowseTopBarDirectoryPath() {
-    state: State<BrowseState>,
+    val state = LocalBrowseViewModel.current.state
-    mainState: State<MainState>,
+    val mainState = LocalMainViewModel.current.state
-    onEvent: (BrowseEvent) -> Unit
+    val onEvent = LocalBrowseViewModel.current.onEvent
-) {
     val context = LocalContext.current
+
     val rootDirectory = remember {
         Environment.getExternalStorageDirectory()
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/data/BrowseViewModel.kt

@@ -9,7 +9,6 @@ import android.os.Environment
 import android.provider.Settings
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.lazy.grid.LazyGridState
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.isGranted
@@ -29,6 +28,7 @@ import ua.acclorite.book_story.domain.use_case.GetBookFromFile
 import ua.acclorite.book_story.domain.use_case.GetFilesFromDevice
 import ua.acclorite.book_story.domain.use_case.InsertBook
 import ua.acclorite.book_story.domain.use_case.UpdateFavoriteDirectory
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.launchActivity
@@ -43,10 +43,10 @@ class BrowseViewModel @Inject constructor(
     private val getFilesFromDevice: GetFilesFromDevice,
     private val insertBook: InsertBook,
     private val updateFavoriteDirectory: UpdateFavoriteDirectory,
-) : ViewModel() {
+) : BaseViewModel<BrowseState, BrowseEvent>() {
 
     private val _state = MutableStateFlow(BrowseState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private var searchQueryJob: Job? = null
     private var refreshListJob: Job? = null
@@ -67,7 +67,7 @@ class BrowseViewModel @Inject constructor(
         }
     }
 
-    fun onEvent(event: BrowseEvent) {
+    override fun onEvent(event: BrowseEvent) {
         when (event) {
             is BrowseEvent.OnStoragePermissionRequest -> {
                 val legacyStoragePermission = Build.VERSION.SDK_INT < Build.VERSION_CODES.R

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/HelpScreen.kt

@@ -22,68 +22,51 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.util.Constants
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalHelpViewModel
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
+import ua.acclorite.book_story.presentation.components.LocalStartViewModel
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
 import ua.acclorite.book_story.presentation.components.customItems
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
 import ua.acclorite.book_story.presentation.screens.help.components.HelpItem
 import ua.acclorite.book_story.presentation.screens.help.components.items.HelpClickMeNoteItem
-import ua.acclorite.book_story.presentation.screens.help.data.HelpState
-import ua.acclorite.book_story.presentation.screens.help.data.HelpViewModel
 import ua.acclorite.book_story.presentation.screens.start.data.StartEvent
-import ua.acclorite.book_story.presentation.screens.start.data.StartViewModel
 
 @Composable
 fun HelpScreenRoot(screen: Screen.Help) {
-    val navigator = LocalNavigator.current
+    val viewModel = LocalHelpViewModel.current.viewModel
-    val helpViewModel: HelpViewModel = hiltViewModel()
-    val browseViewModel: BrowseViewModel = hiltViewModel()
-    val mainViewModel: MainViewModel = hiltViewModel()
-    val startViewModel: StartViewModel = hiltViewModel()
-
-    val state = helpViewModel.state.collectAsState()
 
     LaunchedEffect(Unit) {
-        helpViewModel.init(screen = screen)
+        viewModel.init(screen = screen)
     }
 
-    HelpScreen(
+    HelpScreen()
-        state = state,
-        onNavigate = { navigator.it() },
-        onMainEvent = mainViewModel::onEvent,
-        onBrowseEvent = browseViewModel::onEvent,
-        onStartEvent = startViewModel::onEvent
-    )
 }
 
 @OptIn(
     ExperimentalMaterial3Api::class
 )
 @Composable
-private fun HelpScreen(
+private fun HelpScreen() {
-    state: State<HelpState>,
+    val state = LocalHelpViewModel.current.state
-    onNavigate: OnNavigate,
+    val onMainEvent = LocalMainViewModel.current.onEvent
-    onMainEvent: (MainEvent) -> Unit,
+    val onBrowseEvent = LocalBrowseViewModel.current.onEvent
-    onBrowseEvent: (BrowseEvent) -> Unit,
+    val onStartEvent = LocalStartViewModel.current.onEvent
-    onStartEvent: (StartEvent) -> Unit
+    val onNavigate = LocalOnNavigate.current
-) {
+
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(
@@ -171,7 +154,6 @@ private fun HelpScreen(
             customItems(Constants.HELP_TIPS, key = { it.title }) { helpTip ->
                 HelpItem(
                     helpTip = helpTip,
-                    onNavigate = onNavigate,
                     fromStart = state.value.fromStart
                 )
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/components/HelpItem.kt

@@ -31,7 +31,7 @@ import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.HelpTip
-import ua.acclorite.book_story.domain.util.OnNavigate
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.ui.ExpandingTransition
 
 /**
@@ -39,15 +39,15 @@ import ua.acclorite.book_story.presentation.ui.ExpandingTransition
  * Can be Expanded or Collapsed.
  *
  * @param helpTip [HelpTip] to be shown.
- * @param onNavigate Navigator callback.
  * @param fromStart Whether user came from Start screen.
  */
 @Composable
 fun HelpItem(
     helpTip: HelpTip,
-    onNavigate: OnNavigate,
     fromStart: Boolean
 ) {
+    val onNavigate = LocalOnNavigate.current
+
     val showDescription = rememberSaveable {
         mutableStateOf(false)
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/data/HelpEvent.kt

@@ -0,0 +1,6 @@
+package ua.acclorite.book_story.presentation.screens.help.data
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+sealed class HelpEvent

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/data/HelpViewModel.kt

@@ -1,22 +1,24 @@
 package ua.acclorite.book_story.presentation.screens.help.data
 
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import javax.inject.Inject
 
 @HiltViewModel
 class HelpViewModel @Inject constructor(
 
-) : ViewModel() {
+) : BaseViewModel<HelpState, HelpEvent>() {
 
     private val _state = MutableStateFlow(HelpState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
+
+    override fun onEvent(event: HelpEvent) {}
 
     fun init(screen: Screen.Help) {
         viewModelScope.launch {

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/HistoryScreen.kt

@@ -24,8 +24,6 @@ import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -36,44 +34,36 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.AnimatedTopAppBar
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.CustomSearchTextField
 import ua.acclorite.book_story.presentation.components.CustomSnackbar
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.MoreDropDown
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.is_messages.IsEmpty
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.history.components.HistoryDeleteWholeHistoryDialog
 import ua.acclorite.book_story.presentation.screens.history.components.HistoryItem
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryState
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
 
 @Composable
 fun HistoryScreenRoot() {
-    val navigator = LocalNavigator.current
+    val onEvent = LocalHistoryViewModel.current.onEvent
-    val viewModel: HistoryViewModel = hiltViewModel()
-    val libraryViewModel: LibraryViewModel = hiltViewModel()
 
-    val state = viewModel.state.collectAsState()
+    LaunchedEffect(Unit) {
+        onEvent(HistoryEvent.OnUpdateScrollOffset)
+    }
 
-    HistoryScreen(
+    HistoryScreen()
-        state = state,
-        onNavigate = { navigator.it() },
-        onEvent = viewModel::onEvent,
-        onLibraryEvent = libraryViewModel::onEvent
-    )
 }
 
 @OptIn(
@@ -81,13 +71,13 @@ fun HistoryScreenRoot() {
     ExperimentalMaterialApi::class
 )
 @Composable
-private fun HistoryScreen(
+private fun HistoryScreen() {
-    state: State<HistoryState>,
-    onNavigate: OnNavigate,
-    onEvent: (HistoryEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit
-) {
     val context = LocalContext.current
+    val state = LocalHistoryViewModel.current.state
+    val onEvent = LocalHistoryViewModel.current.onEvent
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
+
     val refreshState = rememberPullRefreshState(
         refreshing = state.value.isRefreshing,
         onRefresh = {
@@ -97,15 +87,8 @@ private fun HistoryScreen(
     val focusRequester = remember { FocusRequester() }
     val snackbarState = remember { SnackbarHostState() }
 
-    LaunchedEffect(Unit) {
-        onEvent(HistoryEvent.OnUpdateScrollOffset)
-    }
-
     if (state.value.showDeleteWholeHistoryDialog) {
-        HistoryDeleteWholeHistoryDialog(
+        HistoryDeleteWholeHistoryDialog()
-            onEvent = onEvent,
-            onLibraryLoadEvent = onLibraryEvent
-        )
     }
 
     Scaffold(
@@ -303,16 +286,4 @@ private fun HistoryScreen(
             navigate(Screen.Library)
         }
     }
-}
+}
-
-
-
-
-
-
-
-
-
-
-
-

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/components/HistoryDeleteWholeHistoryDialog.kt

@@ -6,6 +6,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
@@ -15,11 +17,10 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
  * Delete whole history dialog.
  */
 @Composable
-fun HistoryDeleteWholeHistoryDialog(
+fun HistoryDeleteWholeHistoryDialog() {
-    onEvent: (HistoryEvent) -> Unit,
-    onLibraryLoadEvent: (LibraryEvent.OnLoadList) -> Unit
-) {
     val context = LocalContext.current
+    val onEvent = LocalHistoryViewModel.current.onEvent
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
 
     CustomDialogWithContent(
         title = stringResource(id = R.string.delete_history),
@@ -34,7 +35,7 @@ fun HistoryDeleteWholeHistoryDialog(
         onAction = {
             onEvent(
                 HistoryEvent.OnDeleteWholeHistory {
-                    onLibraryLoadEvent(LibraryEvent.OnLoadList)
+                    onLibraryEvent(LibraryEvent.OnLoadList)
                 }
             )
             context.getString(R.string.history_deleted)

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/data/HistoryViewModel.kt

@@ -2,7 +2,6 @@ package ua.acclorite.book_story.presentation.screens.history.data
 
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.material3.SnackbarResult
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -21,6 +20,7 @@ import ua.acclorite.book_story.domain.use_case.DeleteWholeHistory
 import ua.acclorite.book_story.domain.use_case.GetBooksById
 import ua.acclorite.book_story.domain.use_case.GetHistory
 import ua.acclorite.book_story.domain.use_case.InsertHistory
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.Resource
 import ua.acclorite.book_story.presentation.data.Screen
 import java.text.SimpleDateFormat
@@ -36,10 +36,10 @@ class HistoryViewModel @Inject constructor(
     private val deleteWholeHistory: DeleteWholeHistory,
     private val deleteHistory: DeleteHistory,
     private val getBooksById: GetBooksById
-) : ViewModel() {
+) : BaseViewModel<HistoryState, HistoryEvent>() {
 
     private val _state = MutableStateFlow(HistoryState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private var job: Job? = null
     private var job2: Job? = null
@@ -56,7 +56,7 @@ class HistoryViewModel @Inject constructor(
         }
     }
 
-    fun onEvent(event: HistoryEvent) {
+    override fun onEvent(event: HistoryEvent) {
         when (event) {
             is HistoryEvent.OnRefreshList -> {
                 job3?.cancel()

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/LibraryScreen.kt

@@ -27,8 +27,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -41,47 +39,33 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.model.Category
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.domain.util.Selected
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.header
 import ua.acclorite.book_story.presentation.components.is_messages.IsEmpty
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
-import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
 import ua.acclorite.book_story.presentation.screens.library.components.LibraryBookItem
 import ua.acclorite.book_story.presentation.screens.library.components.LibraryTopBar
 import ua.acclorite.book_story.presentation.screens.library.components.dialog.LibraryDeleteDialog
 import ua.acclorite.book_story.presentation.screens.library.components.dialog.LibraryMoveDialog
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryState
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
 
 @Composable
 fun LibraryScreenRoot() {
-    val navigator = LocalNavigator.current
+    val state = LocalLibraryViewModel.current.state
-    val viewModel: LibraryViewModel = hiltViewModel()
+    val onEvent = LocalLibraryViewModel.current.onEvent
-    val mainViewModel: MainViewModel = hiltViewModel()
-    val browseViewModel: BrowseViewModel = hiltViewModel()
-    val historyViewModel: HistoryViewModel = hiltViewModel()
-
-    val state = viewModel.state.collectAsState()
-    val mainState = mainViewModel.state.collectAsState()
 
     val pagerState = rememberPagerState(
         initialPage = state.value.currentPage,
@@ -90,60 +74,43 @@ fun LibraryScreenRoot() {
     val refreshState = rememberPullRefreshState(
         refreshing = state.value.isRefreshing,
         onRefresh = {
-            viewModel.onEvent(LibraryEvent.OnRefreshList)
+            onEvent(LibraryEvent.OnRefreshList)
         }
     )
 
     LaunchedEffect(Unit) {
-        viewModel.onEvent(LibraryEvent.OnScrollToPage(state.value.currentPage, pagerState))
+        onEvent(LibraryEvent.OnScrollToPage(state.value.currentPage, pagerState))
     }
     LaunchedEffect(pagerState.currentPage) {
         if (pagerState.currentPage != state.value.currentPage) {
-            viewModel.onEvent(LibraryEvent.OnUpdateCurrentPage(pagerState.currentPage))
+            onEvent(LibraryEvent.OnUpdateCurrentPage(pagerState.currentPage))
         }
     }
 
     LibraryScreen(
-        state = state,
-        mainState = mainState,
-        onNavigate = { navigator.it() },
         pagerState = pagerState,
-        refreshState = refreshState,
+        refreshState = refreshState
-        onEvent = viewModel::onEvent,
-        onBrowseEvent = browseViewModel::onEvent,
-        onHistoryEvent = historyViewModel::onEvent
     )
 }
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
 private fun LibraryScreen(
-    state: State<LibraryState>,
-    mainState: State<MainState>,
-    onNavigate: OnNavigate,
     pagerState: PagerState,
-    refreshState: PullRefreshState,
+    refreshState: PullRefreshState
-    onEvent: (LibraryEvent) -> Unit,
-    onHistoryEvent: (HistoryEvent) -> Unit,
-    onBrowseEvent: (BrowseEvent) -> Unit
 ) {
+    val state = LocalLibraryViewModel.current.state
+    val mainState = LocalMainViewModel.current.state
+    val onEvent = LocalLibraryViewModel.current.onEvent
+    val onNavigate = LocalOnNavigate.current
+
     var isScrollInProgress by remember { mutableStateOf(false) }
 
     if (state.value.showMoveDialog) {
-        LibraryMoveDialog(
+        LibraryMoveDialog(pagerState = pagerState)
-            state = state,
-            onEvent = onEvent,
-            onHistoryLoadEvent = onHistoryEvent,
-            pagerState = pagerState
-        )
     }
     if (state.value.showDeleteDialog) {
-        LibraryDeleteDialog(
+        LibraryDeleteDialog()
-            state = state,
-            onEvent = onEvent,
-            onBrowseLoadEvent = onBrowseEvent,
-            onHistoryLoadEvent = onHistoryEvent
-        )
     }
 
     Scaffold(
@@ -152,11 +119,7 @@ private fun LibraryScreen(
             .pullRefresh(refreshState),
         containerColor = MaterialTheme.colorScheme.surface,
         topBar = {
-            LibraryTopBar(
+            LibraryTopBar(pagerState = pagerState)
-                state = state,
-                pagerState = pagerState,
-                onEvent = onEvent
-            )
         }
     ) { paddingValues ->
         Box(

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/LibraryTopBar.kt

@@ -20,7 +20,6 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -35,25 +34,21 @@ import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.AnimatedTopAppBar
 import ua.acclorite.book_story.presentation.components.CustomIconButton
 import ua.acclorite.book_story.presentation.components.CustomSearchTextField
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.MoreDropDown
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryState
 
 /**
  * Library Top Bar.
  * Contains [AnimatedTopAppBar] and [LibraryTabRow].
  *
- * @param state [LibraryState].
  * @param pagerState [PagerState].
- * @param onEvent [LibraryEvent] callback.
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun LibraryTopBar(
+fun LibraryTopBar(pagerState: PagerState) {
-    state: State<LibraryState>,
+    val state = LocalLibraryViewModel.current.state
-    pagerState: PagerState,
+    val onEvent = LocalLibraryViewModel.current.onEvent
-    onEvent: (LibraryEvent) -> Unit
-) {
     val focusRequester = remember { FocusRequester() }
 
     AnimatedTopAppBar(

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/dialog/LibraryDeleteDialog.kt

@@ -3,28 +3,28 @@ package ua.acclorite.book_story.presentation.screens.library.components.dialog
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.DeleteOutline
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalBrowseViewModel
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseEvent
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryState
 
 /**
  * Delete dialog. Deletes all selected books.
  */
 @Composable
-fun LibraryDeleteDialog(
+fun LibraryDeleteDialog() {
-    state: State<LibraryState>,
-    onEvent: (LibraryEvent) -> Unit,
-    onBrowseLoadEvent: (BrowseEvent.OnLoadList) -> Unit,
-    onHistoryLoadEvent: (HistoryEvent.OnLoadList) -> Unit
-) {
     val context = LocalContext.current
+    val state = LocalLibraryViewModel.current.state
+    val onEvent = LocalLibraryViewModel.current.onEvent
+    val onBrowseEvent = LocalBrowseViewModel.current.onEvent
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
 
     CustomDialogWithContent(
         title = stringResource(id = R.string.delete_books),
@@ -40,8 +40,8 @@ fun LibraryDeleteDialog(
         onAction = {
             onEvent(
                 LibraryEvent.OnDeleteBooks {
-                    onBrowseLoadEvent(BrowseEvent.OnLoadList)
+                    onBrowseEvent(BrowseEvent.OnLoadList)
-                    onHistoryLoadEvent(HistoryEvent.OnLoadList)
+                    onHistoryEvent(HistoryEvent.OnLoadList)
                 }
             )
             context.getString(R.string.books_deleted)

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/dialog/LibraryMoveDialog.kt

@@ -4,30 +4,28 @@ import androidx.compose.foundation.pager.PagerState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.outlined.DriveFileMove
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Category
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithLazyColumn
 import ua.acclorite.book_story.presentation.components.custom_dialog.SelectableDialogItem
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryState
 
 /**
  * Move dialog. Moves all selected books to the selected category.
  */
 @Composable
-fun LibraryMoveDialog(
+fun LibraryMoveDialog(pagerState: PagerState) {
-    state: State<LibraryState>,
-    onEvent: (LibraryEvent) -> Unit,
-    onHistoryLoadEvent: (HistoryEvent.OnLoadList) -> Unit,
-    pagerState: PagerState
-) {
     val context = LocalContext.current
+    val state = LocalLibraryViewModel.current.state
+    val onEvent = LocalLibraryViewModel.current.onEvent
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
 
     CustomDialogWithLazyColumn(
         title = stringResource(id = R.string.move_books),
@@ -44,7 +42,7 @@ fun LibraryMoveDialog(
                 LibraryEvent.OnMoveBooks(
                     pagerState,
                     refreshList = {
-                        onHistoryLoadEvent(HistoryEvent.OnLoadList)
+                        onHistoryEvent(HistoryEvent.OnLoadList)
                     }
                 )
             )

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/data/LibraryViewModel.kt

@@ -1,6 +1,5 @@
 package ua.acclorite.book_story.presentation.screens.library.data
 
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -18,6 +17,7 @@ import ua.acclorite.book_story.domain.use_case.DeleteBooks
 import ua.acclorite.book_story.domain.use_case.GetBooks
 import ua.acclorite.book_story.domain.use_case.InsertHistory
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import java.util.Date
 import javax.inject.Inject
@@ -28,10 +28,10 @@ class LibraryViewModel @Inject constructor(
     private val updateBooks: UpdateBooks,
     private val deleteBooks: DeleteBooks,
     private val insertHistory: InsertHistory
-) : ViewModel() {
+) : BaseViewModel<LibraryState, LibraryEvent>() {
 
     private val _state = MutableStateFlow(LibraryState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private val _isReady = MutableStateFlow(false)
     val isReady = _isReady.asStateFlow()
@@ -53,7 +53,7 @@ class LibraryViewModel @Inject constructor(
         }
     }
 
-    fun onEvent(event: LibraryEvent) {
+    override fun onEvent(event: LibraryEvent) {
         when (event) {
             is LibraryEvent.OnScrollToPage -> {
                 viewModelScope.launch {

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/ReaderScreen.kt

@@ -26,8 +26,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
@@ -49,24 +47,22 @@ import androidx.compose.ui.unit.em
 import androidx.compose.ui.unit.sp
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.util.Constants
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomSelectionContainer
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
+import ua.acclorite.book_story.presentation.components.LocalSettingsViewModel
 import ua.acclorite.book_story.presentation.components.customItemsIndexed
 import ua.acclorite.book_story.presentation.components.is_messages.IsError
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.screens.reader.components.ReaderEndItem
 import ua.acclorite.book_story.presentation.screens.reader.components.ReaderTextParagraph
 import ua.acclorite.book_story.presentation.screens.reader.components.app_bar.ReaderBottomBar
@@ -75,26 +71,16 @@ import ua.acclorite.book_story.presentation.screens.reader.components.readerFast
 import ua.acclorite.book_story.presentation.screens.reader.components.settings_bottom_sheet.ReaderSettingsBottomSheet
 import ua.acclorite.book_story.presentation.screens.reader.components.start_item.ReaderStartItem
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsViewModel
 
 @Composable
 fun ReaderScreenRoot(screen: Screen.Reader) {
-    val navigator = LocalNavigator.current
+    val state = LocalReaderViewModel.current.state
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
+    val viewModel = LocalReaderViewModel.current.viewModel
     val context = LocalContext.current as ComponentActivity
+    val onNavigate = LocalOnNavigate.current
 
-    val viewModel: ReaderViewModel = hiltViewModel()
-    val mainViewModel: MainViewModel = hiltViewModel()
-    val libraryViewModel: LibraryViewModel = hiltViewModel()
-    val historyViewModel: HistoryViewModel = hiltViewModel()
-    val settingsViewModel: SettingsViewModel = hiltViewModel()
-
-    val state = viewModel.state.collectAsState()
-    val mainState = mainViewModel.state.collectAsState()
-    val settingsState = settingsViewModel.state.collectAsState()
 
     val lazyListState = rememberSaveable(
         state.value.listState,
@@ -111,11 +97,11 @@ fun ReaderScreenRoot(screen: Screen.Reader) {
     LaunchedEffect(Unit) {
         viewModel.init(
             screen = screen,
-            onNavigate = { navigator.it() },
+            onNavigate = onNavigate,
             context = context,
             refreshList = {
-                libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(it))
+                onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                historyViewModel.onEvent(HistoryEvent.OnLoadList)
+                onHistoryEvent(HistoryEvent.OnLoadList)
             },
             onError = {
                 it.asString(context)
@@ -129,12 +115,14 @@ fun ReaderScreenRoot(screen: Screen.Reader) {
         }
     }
     LaunchedEffect(lazyListState) {
-        viewModel.onUpdateProgress(
+        viewModel.onUpdateProgress {
-            onLibraryEvent = libraryViewModel::onEvent,
+            onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-            onHistoryEvent = historyViewModel::onEvent
+            onHistoryEvent(HistoryEvent.OnUpdateBook(it))
-        )
+        }
     }
 
+    ReaderScreen(lazyListState = lazyListState)
+
     DisposableEffect(Unit) {
         onDispose {
             viewModel.clearViewModel()
@@ -145,36 +133,19 @@ fun ReaderScreenRoot(screen: Screen.Reader) {
             context.window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         }
     }
-
-    ReaderScreen(
-        state = state,
-        mainState = mainState,
-        settingsState = settingsState,
-        lazyListState = lazyListState,
-        onNavigate = { navigator.it() },
-        onEvent = viewModel::onEvent,
-        onMainEvent = mainViewModel::onEvent,
-        onSettingsEvent = settingsViewModel::onEvent,
-        onLibraryEvent = libraryViewModel::onEvent,
-        onHistoryEvent = historyViewModel::onEvent
-    )
 }
 
 @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
 @Composable
-private fun ReaderScreen(
+private fun ReaderScreen(lazyListState: LazyListState) {
-    state: State<ReaderState>,
+    val state = LocalReaderViewModel.current.state
-    mainState: State<MainState>,
+    val mainState = LocalMainViewModel.current.state
-    settingsState: State<SettingsState>,
+    val settingsState = LocalSettingsViewModel.current.state
-    lazyListState: LazyListState,
+    val onEvent = LocalReaderViewModel.current.onEvent
-    onNavigate: OnNavigate,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onEvent: (ReaderEvent) -> Unit,
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit,
-    onHistoryEvent: (HistoryEvent) -> Unit,
-) {
     val context = LocalContext.current as ComponentActivity
+    val onNavigate = LocalOnNavigate.current
 
     val nestedScrollConnection = remember(state) {
         object : NestedScrollConnection {
@@ -230,13 +201,7 @@ private fun ReaderScreen(
     }
 
     if (state.value.showSettingsBottomSheet) {
-        ReaderSettingsBottomSheet(
+        ReaderSettingsBottomSheet()
-            mainState = mainState,
-            settingsState = settingsState,
-            onEvent = onEvent,
-            onMainEvent = onMainEvent,
-            onSettingsEvent = onSettingsEvent
-        )
     }
 
     Scaffold(
@@ -250,13 +215,7 @@ private fun ReaderScreen(
                 enter = slideInVertically { -it },
                 exit = slideOutVertically { -it }
             ) {
-                ReaderTopBar(
+                ReaderTopBar()
-                    state = state,
-                    onNavigate = onNavigate,
-                    onEvent = onEvent,
-                    onLibraryUpdateEvent = onLibraryEvent,
-                    onHistoryUpdateEvent = onHistoryEvent
-                )
             }
         },
         bottomBar = {
@@ -266,12 +225,7 @@ private fun ReaderScreen(
                 enter = slideInVertically { it },
                 exit = slideOutVertically { it }
             ) {
-                ReaderBottomBar(
+                ReaderBottomBar()
-                    state = state,
-                    onEvent = onEvent,
-                    onLibraryUpdateEvent = onLibraryEvent,
-                    onHistoryUpdateEvent = onHistoryEvent
-                )
             }
         }
     ) {
@@ -357,7 +311,6 @@ private fun ReaderScreen(
                         fastColorPresetChangeEnabled = mainState.value.fastColorPresetChange,
                         isLoading = state.value.loading,
                         toolbarHidden = toolbarHidden,
-                        onSettingsEvent = onSettingsEvent,
                         presetChanged = {
                             context
                                 .getString(
@@ -373,7 +326,7 @@ private fun ReaderScreen(
             ) {
                 item {
                     DisableSelection {
-                        ReaderStartItem(state = state)
+                        ReaderStartItem()
                     }
 
                     Spacer(modifier = Modifier.height(18.dp))
@@ -395,8 +348,7 @@ private fun ReaderScreen(
                         sidePadding = sidePadding,
                         paragraphIndentation = mainState.value.paragraphIndentation,
                         doubleClickTranslationEnabled = mainState.value.doubleClickTranslation,
-                        toolbarHidden = toolbarHidden,
+                        toolbarHidden = toolbarHidden
-                        onEvent = onEvent
                     )
                 }
 
@@ -404,13 +356,7 @@ private fun ReaderScreen(
                     Spacer(modifier = Modifier.height(18.dp))
 
                     DisableSelection {
-                        ReaderEndItem(
+                        ReaderEndItem()
-                            state = state,
-                            onNavigate = onNavigate,
-                            onEvent = onEvent,
-                            onLibraryEvent = onLibraryEvent,
-                            onHistoryUpdateEvent = onHistoryEvent,
-                        )
                     }
                 }
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderEndItem.kt

@@ -17,7 +17,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -29,33 +28,30 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Category
-import ua.acclorite.book_story.domain.util.OnNavigate
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
 
 /**
  * Reader end item. Displays at the end of the book.
- *
- * @param state [ReaderState].
- * @param onNavigate Navigator callback.
- * @param onEvent [ReaderEvent] callback.
- * @param onLibraryEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun ReaderEndItem(
-    state: State<ReaderState>,
-    onNavigate: OnNavigate,
-    onEvent: (ReaderEvent) -> Unit,
-    onLibraryEvent: (LibraryEvent) -> Unit,
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit,
 ) {
+    val state = LocalReaderViewModel.current.state
+    val onEvent = LocalReaderViewModel.current.onEvent
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
     val context = LocalContext.current as ComponentActivity
+    val onNavigate = LocalOnNavigate.current
+
     val buttonText = remember {
         context.getString(
             if (state.value.book.category != Category.ALREADY_READ) R.string.move_to_read
@@ -102,7 +98,7 @@ fun ReaderEndItem(
                             context = context,
                             onUpdateCategories = {
                                 onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                                onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                                onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                             },
                             updatePage = {
                                 onLibraryEvent(LibraryEvent.OnUpdateCurrentPage(it))
@@ -119,7 +115,7 @@ fun ReaderEndItem(
                             context = context,
                             refreshList = {
                                 onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                                onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                                onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                             },
                             navigate = {
                                 onNavigate {

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderFastColorPresetChange.kt

@@ -7,6 +7,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.pointer.pointerInput
 import ua.acclorite.book_story.domain.util.UIText
+import ua.acclorite.book_story.presentation.components.LocalSettingsViewModel
 import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
 
 /**
@@ -16,7 +17,6 @@ import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
  * @param fastColorPresetChangeEnabled Whether this is enabled.
  * @param isLoading Whether Reader is loading.
  * @param toolbarHidden Whether toolbar(selection) is hidden.
- * @param onSettingsEvent [SettingsEvent] callback.
  * @param presetChanged Callback when Color Preset was changed.
  */
 @Composable
@@ -24,9 +24,10 @@ fun Modifier.readerFastColorPresetChange(
     fastColorPresetChangeEnabled: Boolean,
     isLoading: Boolean,
     toolbarHidden: Boolean,
-    onSettingsEvent: (SettingsEvent) -> Unit,
     presetChanged: (UIText) -> Unit
 ): Modifier {
+    val onSettingsEvent = LocalSettingsViewModel.current.onEvent
+
     val offset = remember { mutableFloatStateOf(0f) }
     return this.then(
         if (fastColorPresetChangeEnabled && toolbarHidden && !isLoading) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderTextParagraph.kt

@@ -23,6 +23,7 @@ import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.TextUnit
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.FontWithName
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
 import ua.acclorite.book_story.presentation.data.showToast
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.data.ReaderTextAlignment
@@ -43,7 +44,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.reader.data.
  * @param paragraphIndentation Whether Paragraph Indentation is enabled for this line.
  * @param doubleClickTranslationEnabled Whether Double Click Translation is enabled.
  * @param toolbarHidden Whether selection toolBar is hidden.
- * @param onEvent [ReaderEvent] callback.
  */
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
@@ -60,9 +60,10 @@ fun LazyItemScope.ReaderTextParagraph(
     sidePadding: Dp,
     paragraphIndentation: Boolean,
     doubleClickTranslationEnabled: Boolean,
-    toolbarHidden: Boolean,
+    toolbarHidden: Boolean
-    onEvent: (ReaderEvent) -> Unit
 ) {
+    val onEvent = LocalReaderViewModel.current.onEvent
+
     Column(
         modifier = Modifier
             .animateItem(fadeInSpec = null, fadeOutSpec = null)

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/app_bar/ReaderBottomBar.kt

@@ -14,36 +14,32 @@ import androidx.compose.material3.Slider
 import androidx.compose.material3.SliderDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
 import ua.acclorite.book_story.presentation.data.removeDigits
 import ua.acclorite.book_story.presentation.data.removeTrailingZero
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
 import ua.acclorite.book_story.presentation.ui.Colors
 
 /**
  * Reader bottom bar. Has a slider to change progress.
- *
- * @param state [ReaderState].
- * @param onEvent [ReaderEvent] callback.
- * @param onLibraryUpdateEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @Composable
-fun ReaderBottomBar(
+fun ReaderBottomBar() {
-    state: State<ReaderState>,
+    val state = LocalReaderViewModel.current.state
-    onEvent: (ReaderEvent) -> Unit,
+    val onEvent = LocalReaderViewModel.current.onEvent
-    onLibraryUpdateEvent: (LibraryEvent.OnUpdateBook) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-) {
+
     val progress by remember(state.value.book.progress) {
         derivedStateOf {
             (state.value.book.progress * 100)
@@ -87,8 +83,8 @@ fun ReaderBottomBar(
                             firstVisibleItemIndex = state.value.listState.firstVisibleItemIndex,
                             firstVisibleItemOffset = 0,
                             refreshList = { book ->
-                                onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(book))
+                                onLibraryEvent(LibraryEvent.OnUpdateBook(book))
-                                onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(book))
+                                onHistoryEvent(HistoryEvent.OnUpdateBook(book))
                             }
                         )
                     )

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/app_bar/ReaderTopBar.kt

@@ -14,7 +14,6 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontFamily
@@ -22,34 +21,29 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.sp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomIconButton
+import ua.acclorite.book_story.presentation.components.LocalHistoryViewModel
+import ua.acclorite.book_story.presentation.components.LocalLibraryViewModel
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
 import ua.acclorite.book_story.presentation.ui.Colors
 
 /**
  * Reader top bar. Displays title of the book.
- *
- * @param state [ReaderState].
- * @param onNavigate Navigator callback.
- * @param onEvent [ReaderEvent] callback.
- * @param onLibraryUpdateEvent [LibraryEvent] callback.
- * @param onHistoryUpdateEvent [HistoryEvent] callback.
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun ReaderTopBar(
+fun ReaderTopBar() {
-    state: State<ReaderState>,
+    val state = LocalReaderViewModel.current.state
-    onNavigate: OnNavigate,
+    val onEvent = LocalReaderViewModel.current.onEvent
-    onEvent: (ReaderEvent) -> Unit,
+    val onLibraryEvent = LocalLibraryViewModel.current.onEvent
-    onLibraryUpdateEvent: (LibraryEvent.OnUpdateBook) -> Unit,
+    val onHistoryEvent = LocalHistoryViewModel.current.onEvent
-    onHistoryUpdateEvent: (HistoryEvent.OnUpdateBook) -> Unit
-) {
     val context = LocalContext.current as ComponentActivity
+    val onNavigate = LocalOnNavigate.current
 
     TopAppBar(
         navigationIcon = {
@@ -62,8 +56,8 @@ fun ReaderTopBar(
                     ReaderEvent.OnGoBack(
                         context = context,
                         refreshList = {
-                            onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                            onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                            onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                            onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                         },
                         navigate = {
                             onNavigate {
@@ -94,8 +88,8 @@ fun ReaderTopBar(
                                     ReaderEvent.OnGoBack(
                                         context = context,
                                         refreshList = {
-                                            onLibraryUpdateEvent(LibraryEvent.OnUpdateBook(it))
+                                            onLibraryEvent(LibraryEvent.OnUpdateBook(it))
-                                            onHistoryUpdateEvent(HistoryEvent.OnUpdateBook(it))
+                                            onHistoryEvent(HistoryEvent.OnUpdateBook(it))
                                         },
                                         navigate = {
                                             onNavigate {

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/settings_bottom_sheet/ReaderSettingsBottomSheet.kt

@@ -14,67 +14,49 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.presentation.components.CustomBottomSheet
-import ua.acclorite.book_story.presentation.data.MainEvent
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.subcategories.ColorsSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.ReaderSettingsCategory
 
 /**
  * Settings bottom sheet. Has General and Colors categories.
- *
- * @param mainState [MainState].
- * @param settingsState [SettingsState].
- * @param onEvent [ReaderEvent] callback.
- * @param onMainEvent [MainEvent] callback.
- * @param onSettingsEvent [SettingsEvent] callback.
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun ReaderSettingsBottomSheet(
+fun ReaderSettingsBottomSheet() {
-    mainState: State<MainState>,
+    val state = LocalReaderViewModel.current.state
-    settingsState: State<SettingsState>,
+    val onEvent = LocalReaderViewModel.current.onEvent
-    onEvent: (ReaderEvent) -> Unit,
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit
-) {
-    val pagerState = rememberPagerState { 2 }
-    val currentPage by remember { derivedStateOf { pagerState.currentPage } }
     val context = LocalContext.current
 
-    val scrimColor = if (currentPage == 1) Color.Transparent
+    val pagerState = rememberPagerState(state.value.currentPage) { 3 }
-    else BottomSheetDefaults.ScrimColor
 
     val animatedScrimColor by animateColorAsState(
-        targetValue = scrimColor,
+        targetValue = if (pagerState.currentPage == 2) Color.Transparent
-        animationSpec = tween(300),
+        else BottomSheetDefaults.ScrimColor,
-        label = "Scrim animation"
+        animationSpec = tween(300)
     )
-
-    val height = remember(currentPage) {
-        if (currentPage == 1) 0.6f else 0.7f
-    }
     val animatedHeight by animateFloatAsState(
-        targetValue = height,
+        targetValue = if (pagerState.currentPage == 2) 0.6f else 0.7f,
-        animationSpec = tween(300),
+        animationSpec = tween(300)
-        label = "Height animation"
     )
 
-    LaunchedEffect(currentPage) {
+    LaunchedEffect(pagerState.currentPage) {
+        onEvent(
+            ReaderEvent.OnScrollToSettingsPage(
+                page = pagerState.currentPage,
+                pagerState = null
+            )
+        )
         onEvent(
             ReaderEvent.OnShowHideMenu(
-                currentPage != 1,
+                pagerState.currentPage != 2,
                 context as ComponentActivity
             )
         )
@@ -91,17 +73,14 @@ fun ReaderSettingsBottomSheet(
             onEvent(ReaderEvent.OnShowHideSettingsBottomSheet)
         }
     ) {
-        ReaderSettingsBottomSheetTabRow(
+        ReaderSettingsBottomSheetTabRow(pagerState = pagerState)
-            onEvent = onEvent,
-            pagerState = pagerState
-        )
 
         HorizontalPager(state = pagerState) { page ->
             LazyColumn {
                 if (page == 0) {
+            if (page == 1) {
+                LazyColumn {
                     ReaderSettingsCategory(
-                        state = mainState,
-                        onMainEvent = onMainEvent,
                         titleColor = { MaterialTheme.colorScheme.onSurface },
                         topPadding = 16.dp,
                         bottomPadding = 8.dp + it
@@ -109,13 +88,9 @@ fun ReaderSettingsBottomSheet(
                 }
             }
 
-            LazyColumn {
+            if (page == 2) {
-                if (page == 1) {
+                LazyColumn {
                     ColorsSubcategory(
-                        state = mainState,
-                        settingsState = settingsState,
-                        onMainEvent = onMainEvent,
-                        onSettingsEvent = onSettingsEvent,
                         showTitle = false,
                         backgroundColor = { MaterialTheme.colorScheme.surfaceContainer },
                         topPadding = 16.dp,

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/settings_bottom_sheet/ReaderSettingsBottomSheetTabRow.kt

@@ -12,6 +12,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
 
 /**
@@ -24,6 +25,9 @@ fun ReaderSettingsBottomSheetTabRow(
     pagerState: PagerState
 ) {
     val tabItems = listOf(
+fun ReaderSettingsBottomSheetTabRow(pagerState: PagerState) {
+    val onEvent = LocalReaderViewModel.current.onEvent
+
         stringResource(id = R.string.general_tab),
         stringResource(id = R.string.color_tab)
     )

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/start_item/ReaderStartItem.kt

@@ -23,7 +23,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -33,16 +32,16 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CustomCoverImage
-import ua.acclorite.book_story.presentation.screens.reader.data.ReaderState
+import ua.acclorite.book_story.presentation.components.LocalReaderViewModel
 
 /**
  * Reader start item. Displays at the beginning of the book.
- *
- * @param state [ReaderState].
  */
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
-fun ReaderStartItem(state: State<ReaderState>) {
+fun ReaderStartItem() {
+    val state = LocalReaderViewModel.current.state
+
     val statusBarHeight = WindowInsets
         .statusBarsIgnoringVisibility
         .asPaddingValues()

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/data/ReaderEvent.kt

@@ -36,7 +36,7 @@ sealed class ReaderEvent {
 
     data class OnScroll(val progress: Float) : ReaderEvent()
     data object OnShowHideSettingsBottomSheet : ReaderEvent()
-    data class OnScrollToSettingsPage(val page: Int, val pagerState: PagerState) : ReaderEvent()
+    data class OnScrollToSettingsPage(val page: Int, val pagerState: PagerState?) : ReaderEvent()
     data class OnMoveBookToAlreadyRead(
         val context: ComponentActivity,
         val onUpdateCategories: (Book) -> Unit,

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/data/ReaderViewModel.kt

@@ -10,7 +10,6 @@ import androidx.compose.runtime.snapshotFlow
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -32,12 +31,11 @@ import ua.acclorite.book_story.domain.use_case.GetBookById
 import ua.acclorite.book_story.domain.use_case.GetLatestHistory
 import ua.acclorite.book_story.domain.use_case.GetText
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.domain.util.UIText
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.data.launchActivity
-import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
-import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import javax.inject.Inject
 import kotlin.math.roundToInt
 
@@ -48,14 +46,14 @@ class ReaderViewModel @Inject constructor(
     private val getText: GetText,
     private val getLatestHistory: GetLatestHistory,
     private val getBookById: GetBookById
-) : ViewModel() {
+) : BaseViewModel<ReaderState, ReaderEvent>() {
 
     private val _state = MutableStateFlow(ReaderState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private var eventJob = SupervisorJob()
 
-    fun onEvent(event: ReaderEvent) {
+    override fun onEvent(event: ReaderEvent) {
         viewModelScope.launch(eventJob + Dispatchers.Main) {
             when (event) {
                 is ReaderEvent.OnTextIsEmpty -> {
@@ -269,7 +267,6 @@ class ReaderViewModel @Inject constructor(
                     launch(Dispatchers.IO) {
                         _state.update {
                             it.copy(
-                                currentPage = if (it.showSettingsBottomSheet) it.currentPage else 0,
                                 showSettingsBottomSheet = !it.showSettingsBottomSheet
                             )
                         }
@@ -278,7 +275,13 @@ class ReaderViewModel @Inject constructor(
 
                 is ReaderEvent.OnScrollToSettingsPage -> {
                     launch {
-                        event.pagerState.scrollToPage(event.page)
+                        _state.update {
+                            event.pagerState?.scrollToPage(event.page)
+
+                            it.copy(
+                                currentPage = event.page
+                            )
+                        }
                     }
                 }
 
@@ -498,10 +501,7 @@ class ReaderViewModel @Inject constructor(
     }
 
     @OptIn(FlowPreview::class)
-    fun onUpdateProgress(
+    fun onUpdateProgress(refreshList: (Book) -> Unit) {
-        onLibraryEvent: (LibraryEvent) -> Unit,
-        onHistoryEvent: (HistoryEvent) -> Unit
-    ) {
         viewModelScope.launch {
             snapshotFlow {
                 _state.value.listState.firstVisibleItemIndex to _state.value.listState.firstVisibleItemScrollOffset
@@ -538,8 +538,7 @@ class ReaderViewModel @Inject constructor(
                                 firstVisibleItemIndex = firstVisibleItemIndex,
                                 firstVisibleItemOffset = firstVisibleItemScrollOffset,
                                 refreshList = { book ->
-                                    onLibraryEvent(LibraryEvent.OnUpdateBook(book))
+                                    refreshList(book)
-                                    onHistoryEvent(HistoryEvent.OnUpdateBook(book))
                                 }
                             )
                         )

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/SettingsScreen.kt

@@ -24,26 +24,22 @@ import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.settings.components.SettingsCategoryItem
 
 @Composable
 fun SettingsScreenRoot() {
-    val navigator = LocalNavigator.current
+    SettingsScreen()
-
-    SettingsScreen(onNavigate = { navigator.it() })
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun SettingsScreen(
+private fun SettingsScreen() {
-    onNavigate: OnNavigate
+    val onNavigate = LocalOnNavigate.current
-) {
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/data/SettingsViewModel.kt

@@ -3,7 +3,6 @@ package ua.acclorite.book_story.presentation.screens.settings.data
 import android.content.Intent
 import android.os.Build
 import android.provider.Settings
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.isGranted
@@ -24,6 +23,7 @@ import ua.acclorite.book_story.domain.use_case.GetColorPresets
 import ua.acclorite.book_story.domain.use_case.ReorderColorPresets
 import ua.acclorite.book_story.domain.use_case.SelectColorPreset
 import ua.acclorite.book_story.domain.use_case.UpdateColorPreset
+import ua.acclorite.book_story.domain.util.BaseViewModel
 import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.domain.util.ID
 import ua.acclorite.book_story.domain.util.UIText
@@ -39,10 +39,10 @@ class SettingsViewModel @Inject constructor(
     private val deleteColorPreset: DeleteColorPreset,
     private val selectColorPreset: SelectColorPreset,
     private val reorderColorPresets: ReorderColorPresets
-) : ViewModel() {
+) : BaseViewModel<SettingsState, SettingsEvent>() {
 
     private val _state = MutableStateFlow(SettingsState())
-    val state = _state.asStateFlow()
+    override val state = _state.asStateFlow()
 
     private val _isReady = MutableStateFlow(false)
     val isReady = _isReady.asStateFlow()
@@ -93,7 +93,7 @@ class SettingsViewModel @Inject constructor(
     }
 
     @Suppress("LABEL_NAME_CLASH")
-    fun onEvent(event: SettingsEvent) {
+    override fun onEvent(event: SettingsEvent) {
         when (event) {
             is SettingsEvent.OnGeneralChangeCheckForUpdates -> {
                 if (!event.enable) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/AppearanceSettings.kt

@@ -13,53 +13,25 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsViewModel
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.AppearanceSettingsCategory
 
 @Composable
 fun AppearanceSettingsRoot() {
-    val navigator = LocalNavigator.current
+    AppearanceSettings()
-    val mainViewModel: MainViewModel = hiltViewModel()
-    val settingsViewModel: SettingsViewModel = hiltViewModel()
-
-    val state = mainViewModel.state.collectAsState()
-    val settingsState = settingsViewModel.state.collectAsState()
-
-    AppearanceSettings(
-        state = state,
-        settingsState = settingsState,
-        onNavigate = { navigator.it() },
-        onMainEvent = mainViewModel::onEvent,
-        onSettingsEvent = settingsViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun AppearanceSettings(
+private fun AppearanceSettings() {
-    state: State<MainState>,
+    val onNavigate = LocalOnNavigate.current
-    settingsState: State<SettingsState>,
-    onNavigate: OnNavigate,
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit
-) {
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(
@@ -91,12 +63,7 @@ private fun AppearanceSettings(
                 .padding(top = paddingValues.calculateTopPadding()),
             state = scrollState.second
         ) {
-            AppearanceSettingsCategory(
+            AppearanceSettingsCategory()
-                state = state,
-                settingsState = settingsState,
-                onMainEvent = onMainEvent,
-                onSettingsEvent = onSettingsEvent
-            )
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/AppearanceSettingsCategory.kt

@@ -5,14 +5,9 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.subcategories.ColorsSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.subcategories.ThemePreferencesSubcategory
 
@@ -20,34 +15,21 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.c
  * Appearance Settings Category.
  * Contains all Appearance settings such as Theme.
  *
- * @param state [MainState] instance.
- * @param onMainEvent [MainEvent] callback.
- * @param onSettingsEvent [SettingsEvent] callback.
  * @param titleColor Title's color.
  * @param topPadding Top padding to be applied.
  * @param bottomPadding Bottom padding to be applied.
  */
 fun LazyListScope.AppearanceSettingsCategory(
-    state: State<MainState>,
-    settingsState: State<SettingsState>,
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     topPadding: Dp = 16.dp,
     bottomPadding: Dp = 48.dp
 ) {
     ThemePreferencesSubcategory(
-        state = state,
-        onMainEvent = onMainEvent,
         titleColor = titleColor,
         topPadding = topPadding,
         bottomPadding = 0.dp
     )
     ColorsSubcategory(
-        state = state,
-        settingsState = settingsState,
-        onMainEvent = onMainEvent,
-        onSettingsEvent = onSettingsEvent,
         titleColor = titleColor,
         topPadding = 22.dp,
         bottomPadding = bottomPadding

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/ColorPresetSetting.kt

@@ -36,7 +36,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.snapshotFlow
@@ -64,10 +63,10 @@ import ua.acclorite.book_story.domain.util.Selected
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
 import ua.acclorite.book_story.presentation.components.CustomIconButton
+import ua.acclorite.book_story.presentation.components.LocalSettingsViewModel
 import ua.acclorite.book_story.presentation.components.customItemsIndexed
 import ua.acclorite.book_story.presentation.screens.settings.components.ColorPickerWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
 import ua.acclorite.book_story.presentation.ui.FadeTransitionPreservingSpace
 import ua.acclorite.book_story.presentation.ui.Transitions
 
@@ -78,13 +77,14 @@ import ua.acclorite.book_story.presentation.ui.Transitions
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun ColorPresetSetting(
-    state: State<SettingsState>,
-    onEvent: (SettingsEvent) -> Unit,
     backgroundColor: Color,
     verticalPadding: Dp = 8.dp,
     horizontalPadding: Dp = 18.dp
 ) {
+    val state = LocalSettingsViewModel.current.state
+    val onEvent = LocalSettingsViewModel.current.onEvent
     val context = LocalContext.current
+
     val reorderableListState = rememberReorderableLazyListState(
         lazyListState = state.value.colorPresetsListState
     ) { from, to ->

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/DarkThemeSetting.kt

@@ -2,12 +2,11 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.ui.DarkTheme
 
@@ -16,10 +15,10 @@ import ua.acclorite.book_story.presentation.ui.DarkTheme
  * If true, dark theme applied to the app's theme.
  */
 @Composable
-fun DarkThemeSetting(
+fun DarkThemeSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SegmentedButtonWithTitle(
         title = stringResource(id = R.string.dark_theme_option),
         buttons = DarkTheme.entries.map {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/FastColorPresetChangeSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWi
  * If true, user can fast change color presets in Reader with swipes.
  */
 @Composable
-fun FastColorPresetChangeSetting(
+fun FastColorPresetChangeSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SwitchWithTitle(
         selected = state.value.fastColorPresetChange,
         title = stringResource(id = R.string.fast_color_preset_change_option),

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/PureDarkSetting.kt

@@ -2,12 +2,11 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.ui.ExpandingTransition
 import ua.acclorite.book_story.presentation.ui.PureDark
@@ -18,10 +17,10 @@ import ua.acclorite.book_story.presentation.ui.isDark
  * If true, enables Pure Dark (OLED) theme.
  */
 @Composable
-fun PureDarkSetting(
+fun PureDarkSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     ExpandingTransition(visible = state.value.darkTheme.isDark()) {
         SegmentedButtonWithTitle(
             title = stringResource(id = R.string.pure_dark_option),

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/ThemeContrastSetting.kt

@@ -3,15 +3,14 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.ui.BookStoryTheme
 import ua.acclorite.book_story.presentation.ui.ExpandingTransition
@@ -25,10 +24,10 @@ import ua.acclorite.book_story.presentation.ui.isPureDark
  * Lets user change theme contrast levels.
  */
 @Composable
-fun ThemeContrastSetting(
+fun ThemeContrastSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     val themeContrastTheme = remember { mutableStateOf(state.value.theme) }
 
     LaunchedEffect(state.value.theme) {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/settings/ThemeSetting.kt

@@ -27,7 +27,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -42,9 +41,9 @@ import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.domain.util.UIText
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.components.CustomAnimatedVisibility
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.customItemsIndexed
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.ui.Theme
 import ua.acclorite.book_story.presentation.ui.ThemeContrast
 import ua.acclorite.book_story.presentation.ui.animatedColorScheme
@@ -57,11 +56,12 @@ import ua.acclorite.book_story.presentation.ui.isPureDark
  */
 @Composable
 fun ThemeSetting(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     verticalPadding: Dp = 8.dp,
     horizontalPadding: Dp = 18.dp
 ) {
+    val state = LocalMainViewModel.current.state
+    val onMainEvent = LocalMainViewModel.current.onEvent
+
     val themes = remember {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) Constants.THEMES
         else Constants.THEMES.dropWhile { it.first == Theme.DYNAMIC }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/subcategories/ColorsSubcategory.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -17,10 +16,6 @@ import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsState
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings.ColorPresetSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings.FastColorPresetChangeSetting
 
@@ -29,10 +24,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.c
  * Contains all settings from Colors.
  */
 fun LazyListScope.ColorsSubcategory(
-    state: State<MainState>,
-    settingsState: State<SettingsState>,
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     title: @Composable () -> String = { stringResource(id = R.string.colors_appearance_settings) },
     backgroundColor: @Composable () -> Color = { MaterialTheme.colorScheme.surfaceContainerLow },
@@ -59,18 +50,11 @@ fun LazyListScope.ColorsSubcategory(
     }
 
     item {
-        ColorPresetSetting(
+        ColorPresetSetting(backgroundColor = backgroundColor.invoke())
-            state = settingsState,
-            backgroundColor = backgroundColor.invoke(),
-            onEvent = onSettingsEvent
-        )
     }
 
     item {
-        FastColorPresetChangeSetting(
+        FastColorPresetChangeSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/subcategories/ThemePreferencesSubcategory.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -17,8 +16,6 @@ import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings.DarkThemeSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings.PureDarkSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.settings.ThemeContrastSetting
@@ -29,8 +26,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.c
  * Contains all settings from Theme Preferences.
  */
 fun LazyListScope.ThemePreferencesSubcategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     title: @Composable () -> String = { stringResource(id = R.string.theme_appearance_settings) },
     showTitle: Boolean = true,
@@ -56,31 +51,19 @@ fun LazyListScope.ThemePreferencesSubcategory(
     }
 
     item {
-        DarkThemeSetting(
+        DarkThemeSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        ThemeSetting(
+        ThemeSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        ThemeContrastSetting(
+        ThemeContrastSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        PureDarkSetting(
+        PureDarkSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/BrowseSettings.kt

@@ -13,44 +13,25 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.BrowseSettingsCategory
 
 @Composable
 fun BrowseSettingsRoot() {
-    val navigator = LocalNavigator.current
+    BrowseSettings()
-    val mainViewModel: MainViewModel = hiltViewModel()
-
-    val state = mainViewModel.state.collectAsState()
-
-    BrowseSettings(
-        state = state,
-        onNavigate = { navigator.it() },
-        onMainEvent = mainViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun BrowseSettings(
+private fun BrowseSettings() {
-    state: State<MainState>,
+    val onNavigate = LocalOnNavigate.current
-    onNavigate: OnNavigate,
-    onMainEvent: (MainEvent) -> Unit
-) {
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(
@@ -82,10 +63,7 @@ private fun BrowseSettings(
                 .padding(top = paddingValues.calculateTopPadding()),
             state = scrollState.second
         ) {
-            BrowseSettingsCategory(
+            BrowseSettingsCategory()
-                state = state,
-                onMainEvent = onMainEvent
-            )
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/BrowseSettingsCategory.kt

@@ -3,11 +3,8 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.browse.components
 
 import androidx.compose.foundation.lazy.LazyListScope
-import androidx.compose.runtime.State
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseFilterSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseGeneralSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.subcategories.BrowseSortSubcategory
@@ -16,32 +13,22 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.compo
  * Browse Settings Category.
  * Contains all Browse settings.
  *
- * @param state [MainState] instance.
- * @param onMainEvent [MainEvent] callback.
  * @param topPadding Top padding to be applied.
  * @param bottomPadding Bottom padding to be applied.
  */
 fun LazyListScope.BrowseSettingsCategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     topPadding: Dp = 16.dp,
     bottomPadding: Dp = 48.dp
 ) {
     BrowseGeneralSubcategory(
-        state = state,
-        onMainEvent = onMainEvent,
         topPadding = topPadding,
         bottomPadding = 0.dp
     )
     BrowseFilterSubcategory(
-        state = state,
-        onMainEvent = onMainEvent,
         topPadding = 22.dp,
         bottomPadding = 0.dp
     )
     BrowseSortSubcategory(
-        state = state,
-        onMainEvent = onMainEvent,
         topPadding = 22.dp,
         bottomPadding = bottomPadding
     )

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowseFilesStructureSetting.kt

@@ -2,12 +2,11 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.browse.comp
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseFilesStructure
 
@@ -16,10 +15,10 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.
  * Lets user choose between all and folders structure for Browse.
  */
 @Composable
-fun BrowseFilesStructureSetting(
+fun BrowseFilesStructureSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SegmentedButtonWithTitle(
         title = stringResource(id = R.string.browse_files_structure_option),
         buttons = BrowseFilesStructure.entries.map {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowseFilterSetting.kt

@@ -13,25 +13,24 @@ import androidx.compose.material3.Checkbox
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.domain.util.Constants
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 
 /**
  * Browse Filter setting.
  * Lets user choose which items to filter in Browse.
  */
-fun LazyListScope.BrowseFilterSetting(
+fun LazyListScope.BrowseFilterSetting() {
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit
-) {
     customItems(Constants.EXTENSIONS, key = { it }) {
+        val state = LocalMainViewModel.current.state
+        val onMainEvent = LocalMainViewModel.current.onEvent
+
         FilterItem(
             item = it,
             isSelected = state.value.browseIncludedFilterItems.any { item ->

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowseGridSizeSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 import ua.acclorite.book_story.presentation.ui.ExpandingTransition
@@ -15,10 +14,10 @@ import ua.acclorite.book_story.presentation.ui.ExpandingTransition
  * Lets user specify grid size to be displayed.
  */
 @Composable
-fun BrowseGridSizeSetting(
+fun BrowseGridSizeSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     ExpandingTransition(visible = state.value.browseLayout == BrowseLayout.GRID) {
         SliderWithTitle(
             value = state.value.browseGridSize

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowseLayoutSetting.kt

@@ -2,12 +2,11 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.browse.comp
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseLayout
 
@@ -16,10 +15,10 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.
  * Lets user choose between layouts(list, grid).
  */
 @Composable
-fun BrowseLayoutSetting(
+fun BrowseLayoutSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SegmentedButtonWithTitle(
         title = stringResource(id = R.string.browse_layout_option),
         buttons = BrowseLayout.entries.map {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowsePinFavoriteDirectoriesSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseFilesStructure
 import ua.acclorite.book_story.presentation.ui.ExpandingTransition
@@ -15,10 +14,10 @@ import ua.acclorite.book_story.presentation.ui.ExpandingTransition
  * If true, shows all favorite directories in root directory and moves them to the top in nested directories.
  */
 @Composable
-fun BrowsePinFavoriteDirectoriesSetting(
+fun BrowsePinFavoriteDirectoriesSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     ExpandingTransition(visible = state.value.browseFilesStructure == BrowseFilesStructure.DIRECTORIES) {
         SwitchWithTitle(
             selected = state.value.browsePinFavoriteDirectories,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/settings/BrowseSortOrderSetting.kt

@@ -17,7 +17,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -25,20 +24,20 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.components.customItems
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.data.BrowseSortOrder
 
 /**
  * Browse Sort Order setting.
  * Lets user choose how to sort files in Browse.
  */
-fun LazyListScope.BrowseSortOrderSetting(
+fun LazyListScope.BrowseSortOrderSetting() {
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit
-) {
     customItems(BrowseSortOrder.entries, key = { it.name }) {
+        val state = LocalMainViewModel.current.state
+        val onMainEvent = LocalMainViewModel.current.onEvent
+
         SortItem(
             item = it,
             isSelected = state.value.browseSortOrder == it,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/subcategories/BrowseFilterSubcategory.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -17,8 +16,6 @@ import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings.BrowseFilterSetting
 
 /**
@@ -26,8 +23,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.compo
  * Contains all settings from Filter Browse settings.
  */
 fun LazyListScope.BrowseFilterSubcategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     title: @Composable () -> String = { stringResource(id = R.string.filter_browse_settings) },
     showTitle: Boolean = true,
@@ -52,10 +47,7 @@ fun LazyListScope.BrowseFilterSubcategory(
         }
     }
 
-    BrowseFilterSetting(
+    BrowseFilterSetting()
-        state = state,
-        onMainEvent = onMainEvent
-    )
 
     item {
         Spacer(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/subcategories/BrowseGeneralSubcategory.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -17,8 +16,6 @@ import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings.BrowseFilesStructureSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings.BrowseGridSizeSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings.BrowseLayoutSetting
@@ -29,8 +26,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.compo
  * Contains all settings from General Browse settings.
  */
 fun LazyListScope.BrowseGeneralSubcategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     title: @Composable () -> String = { stringResource(id = R.string.general_browse_settings) },
     showTitle: Boolean = true,
@@ -56,31 +51,19 @@ fun LazyListScope.BrowseGeneralSubcategory(
     }
 
     item {
-        BrowseFilesStructureSetting(
+        BrowseFilesStructureSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        BrowsePinFavoriteDirectoriesSetting(
+        BrowsePinFavoriteDirectoriesSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        BrowseLayoutSetting(
+        BrowseLayoutSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        BrowseGridSizeSetting(
+        BrowseGridSizeSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/browse/components/subcategories/BrowseSortSubcategory.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -17,8 +16,6 @@ import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.browse.components.settings.BrowseSortOrderSetting
 
 /**
@@ -26,8 +23,6 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.browse.compo
  * Contains all settings from Sort Browse settings.
  */
 fun LazyListScope.BrowseSortSubcategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     title: @Composable () -> String = { stringResource(id = R.string.sort_browse_settings) },
     showTitle: Boolean = true,
@@ -52,10 +47,7 @@ fun LazyListScope.BrowseSortSubcategory(
         }
     }
 
-    BrowseSortOrderSetting(
+    BrowseSortOrderSetting()
-        state = state,
-        onMainEvent = onMainEvent
-    )
 
     item {
         Spacer(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/GeneralSettings.kt

@@ -12,50 +12,26 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsViewModel
 import ua.acclorite.book_story.presentation.screens.settings.nested.general.components.GeneralSettingsCategory
 
 @Composable
 fun GeneralSettingsRoot() {
-    val navigator = LocalNavigator.current
+    GeneralSettings()
-    val settingsViewModel: SettingsViewModel = hiltViewModel()
-    val mainViewModel: MainViewModel = hiltViewModel()
-
-    val state = mainViewModel.state.collectAsState()
-
-    GeneralSettings(
-        state = state,
-        onNavigate = { navigator.it() },
-        onSettingsEvent = settingsViewModel::onEvent,
-        onMainEvent = mainViewModel::onEvent
-    )
 }
 
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun GeneralSettings(
+private fun GeneralSettings() {
-    state: State<MainState>,
+    val onNavigate = LocalOnNavigate.current
-    onNavigate: OnNavigate,
-    onSettingsEvent: (SettingsEvent) -> Unit,
-    onMainEvent: (MainEvent) -> Unit
-) {
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(
@@ -86,11 +62,7 @@ private fun GeneralSettings(
                 .padding(top = paddingValues.calculateTopPadding()),
             state = scrollState.second
         ) {
-            GeneralSettingsCategory(
+            GeneralSettingsCategory()
-                state = state,
-                onMainEvent = onMainEvent,
-                onSettingsEvent = onSettingsEvent
-            )
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/components/GeneralSettingsCategory.kt

@@ -5,14 +5,10 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.general.com
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.lazy.LazyListScope
-import androidx.compose.runtime.State
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.coerceAtLeast
 import androidx.compose.ui.unit.dp
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
 import ua.acclorite.book_story.presentation.screens.settings.nested.general.components.settings.AppLanguageSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.general.components.settings.CheckForUpdatesSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.general.components.settings.DoublePressExitSetting
@@ -21,16 +17,10 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.general.comp
  * General Settings Category.
  * Contains all General settings such as App Language.
  *
- * @param state [MainState] instance.
- * @param onMainEvent [MainEvent] callback.
- * @param onSettingsEvent [SettingsEvent] callback.
  * @param topPadding Top padding to be applied.
  * @param bottomPadding Bottom padding to be applied.
  */
 fun LazyListScope.GeneralSettingsCategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
-    onSettingsEvent: (SettingsEvent) -> Unit,
     topPadding: Dp = 16.dp,
     bottomPadding: Dp = 48.dp
 ) {
@@ -41,25 +31,15 @@ fun LazyListScope.GeneralSettingsCategory(
     }
 
     item {
-        AppLanguageSetting(
+        AppLanguageSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {
-        CheckForUpdatesSetting(
+        CheckForUpdatesSetting()
-            state = state,
-            onMainEvent = onMainEvent,
-            onSettingsEvent = onSettingsEvent
-        )
     }
 
     item {
-        DoublePressExitSetting(
+        DoublePressExitSetting()
-            state = state,
-            onMainEvent = onMainEvent
-        )
     }
 
     item {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/components/settings/AppLanguageSetting.kt

@@ -2,13 +2,12 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.general.com
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
 
 /**
@@ -16,10 +15,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWit
  * Changes app's language.
  */
 @Composable
-fun AppLanguageSetting(
+fun AppLanguageSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     ChipsWithTitle(
         title = stringResource(id = R.string.language_option),
         chips = Constants.LANGUAGES.sortedBy { it.second }.map {

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/components/settings/CheckForUpdatesSetting.kt

@@ -6,7 +6,6 @@ import androidx.activity.ComponentActivity
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Security
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
@@ -14,9 +13,10 @@ import androidx.compose.ui.res.stringResource
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.rememberPermissionState
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
+import ua.acclorite.book_story.presentation.components.LocalSettingsViewModel
 import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithContent
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
 
@@ -27,12 +27,12 @@ import ua.acclorite.book_story.presentation.screens.settings.data.SettingsEvent
 @OptIn(ExperimentalPermissionsApi::class)
 @SuppressLint("InlinedApi")
 @Composable
-fun CheckForUpdatesSetting(
+fun CheckForUpdatesSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit,
+    val onMainEvent = LocalMainViewModel.current.onEvent
-    onSettingsEvent: (SettingsEvent) -> Unit
+    val onSettingsEvent = LocalSettingsViewModel.current.onEvent
-) {
     val activity = LocalContext.current as ComponentActivity
+
     val notificationsPermissionState = rememberPermissionState(
         permission = Manifest.permission.POST_NOTIFICATIONS
     )

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/components/settings/DoublePressExitSetting.kt

@@ -2,11 +2,10 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.general.com
 
 import android.annotation.SuppressLint
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 
 /**
@@ -15,10 +14,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWi
  */
 @SuppressLint("InlinedApi")
 @Composable
-fun DoublePressExitSetting(
+fun DoublePressExitSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SwitchWithTitle(
         selected = state.value.doublePressExit,
         title = stringResource(id = R.string.double_press_exit_option),

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/ReaderSettings.kt

@@ -12,44 +12,25 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
-import androidx.hilt.navigation.compose.hiltViewModel
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.util.OnNavigate
 import ua.acclorite.book_story.presentation.components.CustomLazyColumn
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.components.collapsibleUntilExitScrollBehaviorWithLazyListState
-import ua.acclorite.book_story.presentation.data.LocalNavigator
+import ua.acclorite.book_story.presentation.data.LocalOnNavigate
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
-import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.ReaderSettingsCategory
 
 @Composable
 fun ReaderSettingsRoot() {
-    val navigator = LocalNavigator.current
+    ReaderSettings()
-    val mainViewModel: MainViewModel = hiltViewModel()
-
-    val state = mainViewModel.state.collectAsState()
-
-    ReaderSettings(
-        state = state,
-        onNavigate = { navigator.it() },
-        onMainEvent = mainViewModel::onEvent
-    )
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun ReaderSettings(
+private fun ReaderSettings() {
-    state: State<MainState>,
+    val onNavigate = LocalOnNavigate.current
-    onNavigate: OnNavigate,
-    onMainEvent: (MainEvent) -> Unit
-) {
     val scrollState = TopAppBarDefaults.collapsibleUntilExitScrollBehaviorWithLazyListState()
 
     Scaffold(
@@ -80,10 +61,7 @@ private fun ReaderSettings(
                 .padding(top = paddingValues.calculateTopPadding()),
             state = scrollState.second
         ) {
-            ReaderSettingsCategory(
+            ReaderSettingsCategory()
-                state = state,
-                onMainEvent = onMainEvent
-            )
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/ReaderSettingsCategory.kt

@@ -5,13 +5,10 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.reader.comp
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.presentation.components.CategoryTitle
-import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.subcategories.FontSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.subcategories.TextSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.subcategories.TranslatorSubcategory
@@ -20,36 +17,26 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.reader.compo
  * Reader Settings Category.
  * Contains all Reader settings.
  *
- * @param state [MainState] instance.
- * @param onMainEvent [MainEvent] callback.
  * @param titleColor Color that [CategoryTitle] has.
  * @param topPadding Top padding to be applied.
  * @param bottomPadding Bottom padding to be applied.
  */
 fun LazyListScope.ReaderSettingsCategory(
-    state: State<MainState>,
-    onMainEvent: (MainEvent) -> Unit,
     titleColor: @Composable () -> Color = { MaterialTheme.colorScheme.primary },
     topPadding: Dp = 16.dp,
     bottomPadding: Dp = 48.dp
 ) {
     FontSubcategory(
-        state = state,
-        onMainEvent = onMainEvent,
         titleColor = titleColor,
         topPadding = topPadding,
         bottomPadding = 0.dp
     )
     TextSubcategory(
-        state,
-        onMainEvent = onMainEvent,
         titleColor = titleColor,
         topPadding = 22.dp,
         bottomPadding = 0.dp
     )
     TranslatorSubcategory(
-        state,
-        onMainEvent = onMainEvent,
         titleColor = titleColor,
         topPadding = 22.dp,
         bottomPadding = bottomPadding

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/DoubleClickTranslationSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWi
  * Changes Reader's double click translation.
  */
 @Composable
-fun DoubleClickTranslationSetting(
+fun DoubleClickTranslationSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SwitchWithTitle(
         selected = state.value.doubleClickTranslation,
         title = stringResource(id = R.string.double_click_translation_option),

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/FontFamilySetting.kt

@@ -2,14 +2,13 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.reader.comp
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
 
 /**
@@ -17,10 +16,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWit
  * Changes Reader's font, uses fonts from [Constants.FONTS].
  */
 @Composable
-fun FontFamilySetting(
+fun FontFamilySetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     val fontFamily = remember(state.value.fontFamily) {
         Constants.FONTS.find {
             it.id == state.value.fontFamily

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/FontSizeSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SliderWi
  * Changes Reader's font size.
  */
 @Composable
-fun FontSizeSetting(
+fun FontSizeSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SliderWithTitle(
         value = state.value.fontSize to "pt",
         fromValue = 10,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/FontStyleSetting.kt

@@ -2,15 +2,14 @@ package ua.acclorite.book_story.presentation.screens.settings.nested.reader.comp
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontStyle
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 
 /**
@@ -18,10 +17,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.Segmente
  * Changes Reader's font style (Normal/Italic).
  */
 @Composable
-fun FontStyleSetting(
+fun FontStyleSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     val fontFamily = remember(state.value.fontFamily) {
         Constants.FONTS.find {
             it.id == state.value.fontFamily

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/LetterSpacingSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SliderWi
  * Changes Reader's letter spacing.
  */
 @Composable
-fun LetterSpacingSetting(
+fun LetterSpacingSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SliderWithTitle(
         value = state.value.letterSpacing to "pt",
         fromValue = -8,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/LineHeightSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SliderWi
  * Changes Reader's line height.
  */
 @Composable
-fun LineHeightSetting(
+fun LineHeightSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SliderWithTitle(
         value = state.value.lineHeight to "pt",
         fromValue = 1,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/ParagraphHeightSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SliderWi
  * Changes Reader's paragraph height.
  */
 @Composable
-fun ParagraphHeightSetting(
+fun ParagraphHeightSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SliderWithTitle(
         value = state.value.paragraphHeight to "pt",
         fromValue = 0,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/ParagraphIndentationSetting.kt

@@ -1,11 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
 import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.data.MainState
 import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
 
 /**
@@ -13,10 +12,10 @@ import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWi
  * Changes Reader's paragraph indentation.
  */
 @Composable
-fun ParagraphIndentationSetting(
+fun ParagraphIndentationSetting() {
-    state: State<MainState>,
+    val state = LocalMainViewModel.current.state
-    onMainEvent: (MainEvent) -> Unit
+    val onMainEvent = LocalMainViewModel.current.onEvent
-) {
+
     SwitchWithTitle(
         selected = state.value.paragraphIndentation,
         title = stringResource(id = R.string.paragraph_indentation_option)