* Optimized PDF tile rendering performance and quality.
* Added support for adjusting TTS voice speed and pitch.
* Updated the TTS settings UI and playback logic to support real-time parameter adjustments.
* Added horizontal scrolling to the PDF viewer bottom toolbar and updated tool arrangement to use fixed spacing.
* Refined cross-page selection and text extraction in `PaginatedReader`
* Updated EPUB reader styling logic to refine typography and layout controls.
* Bump version to 1.0.42(43)
* Added a "Remove Edge Padding" option in "Visual Options"
* Added support for paragraph gap settings in the EPUB vertical reader.
* Added support for adjustable paragraph gaps in the paginated reader.
* fix(epub-pagination): ensure custom fonts override embedded epub fonts
* feat(epub): allow overlapping highlights and resolve gesture selection conflicts
* Improved navigation and search result highlighting in the EPUB reader
* refactor: implement JIT chunk restoration for robust navigation
- Fixes search and bookmark navigation failing in same-chapter transitions.
- Introduced JIT (Just-in-Time) HTML restoration in `epub_reader.js` to
re-populate virtualized chunks before CFI resolution or search scrolling.
- Synchronized search highlighting and user highlights within
newly-restored chunk segments.
- Improved search navigation accuracy by mapping occurrences to
relative chunk indices.
* Implemented a custom text selection engine for the paginated EPUB reader to support cross-page selection and improved handle interaction.
* Implemented management of external file behavior and improved library filtering.
* Added support for toolbar customization in the EPUB reader.
* Added support for toolbar customization in the PDF reader.
* fix: rendering during auto-scroll and navigation on long pages
* Added a "Scroll to Top" feature to the auto-scroll controls in both EPUB and PDF readers.
* Updated folder synchronization logic and redesigned the file type filter dialog.
* Fixed CFI generation and navigation stability in the EPUB reader.
* Improved CFI scrolling and position calculation in the EPUB reader by implementing text node traversal using `TreeWalker`. This ensures accurate positioning and scrolling when a CFI offset spans multiple fragmented text nodes.
* fix fb2 multiline titles, retain footnotes, and prevent stream leaks
- Fix FB2 titles with multiple paragraphs by inserting breaks/spaces
- Prevent resource leaks by properly closing InputStreams in all importers
- Retain "notes" and "comments" sections in FB2 instead of skipping them
- Add support for FB2 poem, stanza, cite, and link tags
* Implement persistence for zoom and pan states when pan lock is enabled in the PDF reader.
* Added `FileTypeBadge` to home and library screens
* Bump version to 1.0.41(42)
* Added support for highlight notes in EPUB reader
* fix(epub annots): ensure persistent highlights and preserve notes on color change
- refactor: unified processAndAddHighlight across scroll and paginated modes
- fix: re-apply highlights to virtualized DOM elements on chunk load
- fix: replaced '|' with ';;' in JS bridge to prevent CFI parsing errors
* feat(epub): redesign annotation UX with theme-aware Bottom Sheet
* Updated highlight handling to use full CFI strings instead of splitting into parts during deletion and style updates. Adjusted `processAndAddHighlight` to return the final CFI and updated the delete button UI to use a contained button style.
* Added support for notes in PDF highlights.
* Implemented support for custom highlight colors in the PDF reader.
* Improved PDF annotation notes and theme handling in the bottom sheet.
* build: bump version to 1.0.38 and improve CFI page lookup logic
* fix: resolve duplicate TTS audio and broken highlights in Vertical Mode
Updated the text extraction logic in epub_reader.js to pick only the most granular matching elements, preventing duplication when elements like <p> are nested inside <li>.
* Improved PDF embedded annotation hit detection logic
* Updated EPUB and PDF reader logic to improve position tracking and TTS stability.
Key changes:
- Refined CFI and locator handling in `EpubReaderScreen` with improved initialization.
- Updated `BookPaginator` to more accurately calculate text offsets in chunks and improve CFI matching logic.
- Modified `TtsPlaybackManager` to insert media items at the correct index, ensuring proper playback order.
- Simplified `EpubReaderTts` page scrolling by removing conditional checks for backward jumps.
- Disabled OCR fallback in `PdfViewerScreen` during text extraction for TTS.
* Updated extractTextWithCfiFromTop to use getBoundingClientRect for identifying the starting block
* Implemented a custom theme engine for the EPUB reader, allowing users to switch between built-in themes (System, Light, Dark, Sepia, Slate, and OLED).
Key changes include:
- Added `ReaderThemePanel` and theme selection logic to `EpubReaderScreen`.
- Introduced a theme persistence layer using SharedPreferences.
- Updated `ChapterWebView` and `epub_reader.js` to dynamically apply background and text colors via JavaScript, including improved contrast adjustment for inline styles.
- Enhanced `CssParser` and `ContentStyler` in the paginated reader to adapt CSS colors based on the active theme's background and text luminance.
- Integrated theme-specific background and text colors into `PaginatedReaderScreen` and its layout components.
- Added a theme palette icon to the reader controls.
* Added custom theme builder and texture support to EPUB reader
* Refactored color picker(PDF) into shared components and enhanced EPUB theme editor
* Updated theme customization UI and improved WebView theme application efficiency
* Updated page flip animation to use paper color with a theme-based tint
* Improved state restoration during paginated reader reconfiguration
* Fixed virtualization data indexing and improved text file to EPUB conversion logic.
- Corrected array indexing for `chunksData` and `chunkHeights` in `epub_reader.js` to prevent overwriting entire arrays.
- Refined virtualization intersection observer to properly restore and unload chunk content using index-based caching.
- Updated `SingleFileImporter.kt` to convert plain text into structured HTML paragraphs instead of a single `pre` tag.
- Enhanced CSS styles for imported single-file documents and added HTML entity escaping.
* Adjusted text layout and enhanced pagination mismatch logging
* Configured `PlatformTextStyle` and `LineHeightStyle` to improve text measurement consistency.
* Updated `checkLayoutMismatch` to include text snippets and handle zero expected height.
* Refined `Modifier` application order in the reader view.
* Ensured `maxHeight` is set to `Infinity` during text measurement in `Paginator`.
* feat: rework Folder Sync architecture to separate Managed vs Linked books
- Introduced "Managed" (imported to app storage) vs "Linked" (SAF URI) book logic.
- Disabled Google Drive/Metadata synchronization for Folder-Linked books to respect privacy and storage.
- Updated deletion logic: Folder books are now marked as deleted in the DB to blacklist them from future auto-scans, while Managed books are permanently purged from local and cloud storage.
- Enhanced folder sync discoverability by adding a direct "Sync Folder" navigation button in Home screen.
- Implemented reactive pager navigation in MainScreen and LibraryScreen via LaunchedEffect to allow programmatic tab switching from the ViewModel.
* Implemented a local folder synchronization system to track and update book metadata across devices.
Key changes:
- Added `FolderBookMetadata` and `LocalSyncUtils` for serializing and managing metadata files in a `.episteme` directory.
- Implemented bidirectional sync in `FolderSyncWorker` to reconcile local database state with folder-based metadata using timestamps and Syncthing conflict resolution.
- Updated `MainViewModel` to trigger folder metadata sync when closing a book and verify for remote updates upon opening.
- Enhanced folder management with manual scan support via `WorkManager` and automatic cleanup of database entries when a folder is disconnected.
- Added `RecentFileDao` methods to support bulk deletion and prefix-based file lookups.
* Removed API 34 restriction for chapter processing and updated local folder sync directory name
* Increased TTS timeouts, added edge-to-edge support in MainScreen, and improved TtsChunk mapping safety
* Improved folder synchronization and metadata management.
- Added metadata-only sync option and triggered it on app start.
- Implemented hidden metadata filenames (prefixed with `.`) to reduce file clutter.
- Added automatic creation of `.nomedia` files in the sync directory.
- Enhanced sync conflict resolution by picking the latest metadata and cleaning up obsolete or orphaned files.
- Added "Sync Metadata" button to the Library screen.
- Updated UI labels for local folder sync to clarify Google Drive integration.
- Refactored `FolderSyncWorker` to support targeted metadata-only synchronization.
* Implement folder sync migration and refactoring
- Added a migration dialog to inform users about the folder sync refactor, where books are now read directly from external storage.
- Updated `MainViewModel` to handle migration state and trigger a full scan upon completion or dismissal of the dialog.
- Modified `FolderSyncWorker` to support legacy book matching during migration, updating file URIs and cleaning up internal app storage for migrated books.
- Improved synchronization logic between local and remote metadata, including cleanup of orphaned metadata files.
- Refined `RecentFileItem` updates during sync to preserve progress and bookmarks based on last modified timestamps.
* Implemented pull-to-refresh for library sync and enhanced folder file deletion.
- Added `isRefreshing` state to `MainViewModel` and integrated `PullToRefreshBox` in `HomeScreen`.
- Implemented `refreshLibrary` to trigger cloud and folder metadata synchronization.
- Updated deletion logic to physically remove files and metadata from synced local folders.
- Added a warning to the delete confirmation dialog when removing folder-synced items.
- Improved folder sync reliability by performing lazy cleanup of missing files during interaction and sync.
- Fixed a bug where sync loading indicators would not retract on failure or cancellation.
* Improved bookmark navigation and scroll synchronization in EPUB reader
- Refined bookmark navigation logic for vertical scroll mode to handle chunk injection more reliably.
- Added `isNavigatingToBookmark` state to show a loading overlay during long jumps.
- Implemented `onScrollFinished` callback in `CfiJsBridge` to synchronize UI state with WebView scroll completion.
- Updated `ChapterWebView` to use `rememberUpdatedState` for JavaScript bridge callbacks to ensure data consistency.
- Improved `getCurrentCfi` and `scrollToCfi` in `epub_reader.js` with better visibility probing and retry logic for detached nodes.
* Implemented background metadata extraction for folder sync.
Key changes:
- Added `MetadataExtractionWorker` to handle heavy metadata and cover extraction for files in the background.
- Refactored `FolderSyncWorker` to perform fast file discovery using placeholders, enqueuing the metadata worker upon completion.
- Added `getFolderBooksWithoutCovers` query to `RecentFileDao`.
- Updated UI components (`EmptyState`, `MainViewModel`) to improve user feedback during sync and provide clear setup actions.
- Enhanced `EmptyState` composable to support secondary actions and custom button text.
* Updated Library Screen UI
* updated auto-scroll logic for EPUB and PDF
* Refactored auto-scroll to use temporary debounced pauses instead of hard stops on manual interaction.
* Updated tap handling to allow toggling bars without interrupting scroll.
* Added a 2-second orientation pause on EPUB chapter transitions.
* Enhanced AutoScrollControls UI with circular progress overlay to indicate the "temporarily paused" state.
* Refactored auto-scroll controls
This commit refactors the auto-scroll controls for both EPUB and PDF readers, introducing a more advanced and user-friendly interface.
Key changes:
- Redesigned the auto-scroll controls UI into a collapsible and lockable card.
- Added a "lock" feature to hide controls during scrolling.
- Introduced an alternative slider-based input for speed adjustment, which can be toggled.
- Persisted the lock and input mode states in SharedPreferences.
- Improved the EPUB auto-scroll mechanism using `translate3d` for smoother sub-pixel scrolling.
This introduces a user-configurable palette for text highlighting. The four default highlight colors can now be customized by the user from an expanded set of predefined colors.
Changes include:
- Added a `PaletteManagerDialog` to allow users to select and save their preferred highlight colors.
- Implemented `saveHighlightPalette` and `loadHighlightPalette` to persist the user's choices.
- The highlighting UI in both vertical and paginated readers now displays the active custom palette.
- Added new `HighlightColor` options.
- Updated JavaScript to support the expanded color set and improve highlight interaction logic.
