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A fork of https://github.com/crosspoint-reader/crosspoint-reader
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1.7 kB · 42 lines
C
12345678910111213141516171819202122232425262728293031323334353637383940414243#pragma once#include <Epub.h>
#include <memory>#include <string>
#include "activities/UiListActivity.h"
class EpubReaderChapterSelectionActivity final : public UiListActivity { std::shared_ptr<Epub> epub; int currentSpineIndex = 0;
// Windowed row buffers: TOC entries are SD-backed (BookMetadataCache LUT // reads), so only the rows around the viewport are materialized. A // several-hundred-entry TOC (547 in a large collection) built up front cost // ~60KB of labels + ListItems — starving the CJK glyph arena into // SD-per-repaint — for rows that were never drawn. The window follows // nav.top via itemsWindowFirst (see fui::ListProps); refreshing it also // batch-prewarms the window's fallback glyphs, so each page of the list // pays one bounded SD pass and repaints stay RAM-only. static constexpr int TOC_WINDOW = 24; std::string windowLabels[TOC_WINDOW]; freeink::ui::ListItem windowItems[TOC_WINDOW]; int windowStart = -1; int windowCount = 0; void refreshTocWindow(int start);
// Total TOC items count int listCount() const override { return epub ? epub->getTocItemsCount() : 0; } void buildScreen(UiScreen& screen) override; void activateIndex(int index) override; // Back cancels with a result and Confirm activates on RELEASE here, and a // missing epub swallows everything past Back. bool handleButtons() override; // Header is drawn inside the safe area (not full-width like the base). void drawChrome() override;
public: explicit EpubReaderChapterSelectionActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, const std::shared_ptr<Epub>& epub, int currentSpineIndex); void onEnter() override;};