Files
Crosspoint/src/activities/reader/EpubReaderActivity.h
T

101 lines
4.2 KiB
C++

#pragma once
#include <Epub.h>
#include <Epub/FootnoteEntry.h>
#include <Epub/Section.h>
#include <optional>
#include "EpubReaderMenuActivity.h"
#include "ReaderUtils.h"
#include "activities/Activity.h"
class EpubReaderActivity final : public Activity {
// Reader can launch sync in three UX modes:
// - COMPARE: legacy chooser (apply/upload) for power users.
// - PULL_REMOTE / PUSH_LOCAL: direct one-step actions from menu entries.
// Keeping this split in the caller avoids branching on menu semantics deep
// inside generic reader state handling.
enum class SyncLaunchMode {
COMPARE,
PULL_REMOTE,
PUSH_LOCAL,
};
std::shared_ptr<Epub> epub;
std::unique_ptr<Section> section = nullptr;
int currentSpineIndex = 0;
int nextPageNumber = 0;
// Set when navigating to a TOC entry in a different spine (chapter skip or chapter selector).
// Cleared on the next render after the new section loads and resolves it to a page.
std::optional<int> pendingTocIndex;
// Set when navigating to a footnote href with a fragment (e.g. #note1).
// Cleared on the next render after the new section loads and resolves it to a page.
std::string pendingAnchor;
int pagesUntilFullRefresh = 0;
int cachedSpineIndex = 0;
int cachedChapterTotalPageCount = 0;
unsigned long lastPageTurnTime = 0UL;
unsigned long pageTurnDuration = 0UL;
// Signals that the next render should reposition within the newly loaded section
// based on a cross-book percentage jump.
bool pendingPercentJump = false;
// Normalized 0.0-1.0 progress within the target spine item, computed from book percentage.
float pendingSpineProgress = 0.0f;
// Pending paragraph index from KOReader sync (resolved to page via Section paragraph LUT)
bool pendingParagraphLookup = false;
uint16_t pendingParagraphIndex = 0;
bool pendingScreenshot = false;
bool skipNextButtonCheck = false; // Skip button processing for one frame after subactivity exit
ReaderUtils::InputDrainGuard inputDrainGuard;
bool automaticPageTurnActive = false;
// -1 means use global SETTINGS value.
int8_t bookEmbeddedStyleOverride = -1;
int8_t bookImageRenderingOverride = -1;
// Footnote support
std::vector<FootnoteEntry> currentPageFootnotes;
struct SavedPosition {
int spineIndex;
int pageNumber;
};
static constexpr int MAX_FOOTNOTE_DEPTH = 3;
SavedPosition savedPositions[MAX_FOOTNOTE_DEPTH] = {};
int footnoteDepth = 0;
void renderContents(std::unique_ptr<Page> page, int orientedMarginTop, int orientedMarginRight,
int orientedMarginBottom, int orientedMarginLeft);
void renderStatusBar() const;
void silentIndexNextChapterIfNeeded(uint16_t viewportWidth, uint16_t viewportHeight);
void saveProgress(int spineIndex, int currentPage, int pageCount);
// Jump to a percentage of the book (0-100), mapping it to spine and page.
void jumpToPercent(int percent);
void onReaderMenuConfirm(EpubReaderMenuActivity::MenuAction action);
void launchKOReaderSync(SyncLaunchMode mode = SyncLaunchMode::COMPARE);
void applyPendingSyncSession();
void applyOrientation(uint8_t orientation);
void applyTextDarkness(uint8_t textDarkness);
void toggleAutoPageTurn(uint8_t selectedPageTurnOption);
void applyBookReaderOverrides(int8_t embeddedStyleOverride, int8_t imageRenderingOverride);
bool getEffectiveEmbeddedStyle() const;
uint8_t getEffectiveImageRendering() const;
void pageTurn(bool isForwardTurn);
// Footnote navigation
void navigateToHref(const std::string& href, bool savePosition = false);
void restoreSavedPosition();
public:
explicit EpubReaderActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, std::unique_ptr<Epub> epub)
: Activity("EpubReader", renderer, mappedInput), epub(std::move(epub)) {}
void onEnter() override;
void onExit() override;
void loop() override;
void render(RenderLock&& lock) override;
bool isReaderActivity() const override { return true; }
// Renders the last saved page to the frame buffer without flushing to display.
// Used by SleepActivity to prepare the background for the overlay sleep mode.
// Returns false if the page cannot be loaded (missing cache / file error).
static bool drawCurrentPageToBuffer(const std::string& filePath, GfxRenderer& renderer);
};