611 lines
20 KiB
C++
611 lines
20 KiB
C++
#include "HomeActivity.h"
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#include <Bitmap.h>
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#include <Epub.h>
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#include <FsHelpers.h>
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#include <GfxRenderer.h>
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#include <HalStorage.h>
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#include <I18n.h>
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#include <Utf8.h>
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#include <Xtc.h>
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#include <algorithm>
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#include <cstring>
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#include <string>
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#include <vector>
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#include "CrossPointSettings.h"
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#include "CrossPointState.h"
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#include "GlobalBookmarkIndex.h"
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#include "MappedInputManager.h"
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#include "OpdsServerStore.h"
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#include "RecentBooksStore.h"
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#include "components/UITheme.h"
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#include "components/themes/lyra/LyraCarouselTheme.h"
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#include "fontIds.h"
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// ---------------------------------------------------------------------------
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// Static carousel frame cache — survives HomeActivity re-creation so that
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// returning to home (e.g. after settings) doesn't re-read covers from SD.
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// Freed explicitly in onSelectBook() before entering the reader.
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// ---------------------------------------------------------------------------
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namespace {
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uint8_t* gCachedFrames[HomeActivity::kCarouselFrameCount] = {};
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int gCachedFrameBookIdx[HomeActivity::kCarouselFrameCount] = {-1, -1, -1};
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int gCachedFrameCount = 0;
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std::string gCacheKey;
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int findFrameSlot(int bookIdx) {
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for (int i = 0; i < HomeActivity::kCarouselFrameCount; ++i) {
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if (gCachedFrameBookIdx[i] == bookIdx && gCachedFrames[i] != nullptr) return i;
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}
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return -1;
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}
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void invalidateCarouselCache() {
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for (int i = 0; i < HomeActivity::kCarouselFrameCount; ++i) {
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if (gCachedFrames[i]) {
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free(gCachedFrames[i]);
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gCachedFrames[i] = nullptr;
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}
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gCachedFrameBookIdx[i] = -1;
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}
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gCachedFrameCount = 0;
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gCacheKey.clear();
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}
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constexpr int CLASSIC_MIN_RECENT_TILE_HEIGHT = 280;
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constexpr int LYRA_MIN_RECENT_TILE_HEIGHT = 170;
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constexpr int LYRA_3_COVERS_MIN_RECENT_TILE_HEIGHT = 200;
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constexpr int CLASSIC_MIN_RECENT_TO_MENU_GAP = 2;
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constexpr int LYRA_MIN_RECENT_TO_MENU_GAP = 4;
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struct HomeScreenLayout {
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int recentTileHeight;
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int recentToMenuGap;
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int menuHeight;
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};
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bool isLyraFamilyTheme() {
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const auto theme = static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme);
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return theme == CrossPointSettings::UI_THEME::LYRA || theme == CrossPointSettings::UI_THEME::LYRA_3_COVERS;
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}
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bool isLyraExtendedTheme() {
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return static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme) == CrossPointSettings::UI_THEME::LYRA_3_COVERS;
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}
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int getMinRecentTileHeight() {
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if (isLyraExtendedTheme()) {
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return LYRA_3_COVERS_MIN_RECENT_TILE_HEIGHT;
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}
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if (isLyraFamilyTheme()) {
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return LYRA_MIN_RECENT_TILE_HEIGHT;
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}
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return CLASSIC_MIN_RECENT_TILE_HEIGHT;
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}
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int getMinRecentToMenuGap() {
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return isLyraFamilyTheme() ? LYRA_MIN_RECENT_TO_MENU_GAP : CLASSIC_MIN_RECENT_TO_MENU_GAP;
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}
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HomeScreenLayout computeHomeScreenLayout(const ThemeMetrics& metrics, int contentHeight, int menuItemCount) {
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HomeScreenLayout layout{metrics.homeCoverTileHeight, metrics.verticalSpacing, 0};
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const int menuRequiredHeight =
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menuItemCount * metrics.menuRowHeight + std::max(0, menuItemCount - 1) * metrics.menuSpacing;
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auto computeMenuHeight = [&]() {
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return contentHeight - (metrics.homeTopPadding + layout.recentTileHeight + layout.recentToMenuGap);
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};
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layout.menuHeight = computeMenuHeight();
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if (layout.menuHeight >= menuRequiredHeight) {
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return layout;
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}
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const int gapReduction =
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std::min(layout.recentToMenuGap - getMinRecentToMenuGap(), menuRequiredHeight - layout.menuHeight);
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if (gapReduction > 0) {
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layout.recentToMenuGap -= gapReduction;
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layout.menuHeight = computeMenuHeight();
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}
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if (layout.menuHeight >= menuRequiredHeight) {
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return layout;
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}
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const int tileReduction =
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std::min(layout.recentTileHeight - getMinRecentTileHeight(), menuRequiredHeight - layout.menuHeight);
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if (tileReduction > 0) {
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layout.recentTileHeight -= tileReduction;
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layout.menuHeight = computeMenuHeight();
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}
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layout.menuHeight = std::max(0, layout.menuHeight);
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return layout;
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}
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int getHomeCoverRenderHeight(const HomeScreenLayout& layout) {
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return isLyraExtendedTheme() ? std::max(120, layout.recentTileHeight - 58)
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: std::max(120, layout.recentTileHeight - (isLyraFamilyTheme() ? 16 : 0));
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}
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} // namespace
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// Builds the menu entry list in display order. Single source of truth for both loop() (which
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// dispatches Confirm based on action) and render() (which draws labels/icons).
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void HomeActivity::rebuildMenuEntries() {
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menuEntries.clear();
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menuEntries.reserve(7);
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menuEntries.push_back({MenuAction::FileBrowser, StrId::STR_BROWSE_FILES, Folder});
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menuEntries.push_back({MenuAction::Recents, StrId::STR_MENU_RECENT_BOOKS, Recent});
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if (!GLOBAL_BOOKMARKS.isEmpty()) {
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menuEntries.push_back({MenuAction::GlobalBookmarks, StrId::STR_GLOBAL_BOOKMARKS, Book});
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}
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if (hasOpdsServers) {
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menuEntries.push_back({MenuAction::OpdsBrowser, StrId::STR_OPDS_BROWSER, Library});
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}
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menuEntries.push_back({MenuAction::FileTransfer, StrId::STR_FILE_TRANSFER, Transfer});
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if (SETTINGS.useWeather) {
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menuEntries.push_back({MenuAction::Weather, StrId::STR_WEATHER, Weather});
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}
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menuEntries.push_back({MenuAction::Settings, StrId::STR_SETTINGS_TITLE, Settings});
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menuEntriesDirty = false;
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}
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void HomeActivity::loadRecentBooks(int maxBooks) {
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recentBooks.clear();
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const auto& books = RECENT_BOOKS.getBooks();
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recentBooks.reserve(std::min(static_cast<int>(books.size()), maxBooks));
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for (const RecentBook& book : books) {
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// Limit to maximum number of recent books
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if (recentBooks.size() >= maxBooks) {
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break;
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}
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// Skip if file no longer exists
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if (!Storage.exists(book.path.c_str())) {
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continue;
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}
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recentBooks.push_back(book);
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}
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}
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void HomeActivity::loadRecentCovers(int coverHeight) {
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recentsLoading = true;
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for (; nextRecentCoverIndex < recentBooks.size(); nextRecentCoverIndex++) {
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RecentBook& book = recentBooks[nextRecentCoverIndex];
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if (!book.coverBmpPath.empty()) {
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std::string coverPath = UITheme::getCoverThumbPath(book.coverBmpPath, coverHeight);
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if (!Storage.exists(coverPath.c_str())) {
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// If epub, try to load the metadata for title/author and cover
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if (FsHelpers::hasEpubExtension(book.path)) {
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Epub epub(book.path, "/.crosspoint");
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// Skip loading css since we only need metadata here
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epub.load(false, true);
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// Try to generate thumbnail image for Continue Reading card
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bool success = epub.generateThumbBmp(coverHeight);
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if (!success) {
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RECENT_BOOKS.updateBook(book.path, book.title, book.author, book.series, "");
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book.coverBmpPath = "";
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}
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coverRendered = false;
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nextRecentCoverIndex++;
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recentsLoading = false;
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requestUpdate();
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return;
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} else if (FsHelpers::hasXtcExtension(book.path)) {
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// Handle XTC file
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Xtc xtc(book.path, "/.crosspoint");
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if (xtc.load()) {
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// Try to generate thumbnail image for Continue Reading card
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bool success = xtc.generateThumbBmp(coverHeight);
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if (!success) {
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RECENT_BOOKS.updateBook(book.path, book.title, book.author, book.series, "");
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book.coverBmpPath = "";
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}
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coverRendered = false;
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nextRecentCoverIndex++;
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recentsLoading = false;
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requestUpdate();
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return;
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}
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}
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}
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}
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}
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recentsLoaded = true;
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recentsLoading = false;
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}
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void HomeActivity::onEnter() {
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Activity::onEnter();
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hasOpdsServers = OPDS_STORE.hasServers();
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selectorIndex = 0;
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carouselFramesReady = false;
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recentsLoading = false;
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recentsLoaded = false;
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firstRenderDone = false;
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nextRecentCoverIndex = 0;
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coverRendered = false;
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freeCoverBuffer();
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const auto& metrics = UITheme::getInstance().getMetrics();
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loadRecentBooks(metrics.homeRecentBooksCount);
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if (recentBooks.empty()) {
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recentsLoaded = true;
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}
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// Pre-render carousel frames before first display so the fast path is ready.
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if (static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme) == CrossPointSettings::UI_THEME::LYRA_CAROUSEL) {
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preRenderCarouselFrames();
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}
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// Apply focus: book path takes priority, else combined selector index (covers
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// "return to the menu entry I was on").
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bool focused = false;
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if (!focusBookPath.empty()) {
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for (size_t i = 0; i < recentBooks.size(); ++i) {
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if (recentBooks[i].path == focusBookPath) {
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selectorIndex = static_cast<int>(i);
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focused = true;
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break;
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}
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}
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focusBookPath.clear();
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}
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if (!focused && focusSelectorIndex >= 0) {
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rebuildMenuEntries(); // need menu count to clamp; rebuild is idempotent
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const int combinedSize = static_cast<int>(recentBooks.size() + menuEntries.size());
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if (combinedSize > 0) {
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selectorIndex = std::min(focusSelectorIndex, combinedSize - 1);
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}
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}
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focusSelectorIndex = -1;
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// Trigger first update
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menuEntriesDirty = true;
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requestUpdate();
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}
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void HomeActivity::onExit() {
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Activity::onExit();
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freeCoverBuffer();
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invalidateCarouselCache();
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freeCarouselFrames();
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}
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bool HomeActivity::storeCoverBuffer() {
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uint8_t* frameBuffer = renderer.getFrameBuffer();
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if (!frameBuffer) {
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return false;
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}
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// Free any existing buffer first
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freeCoverBuffer();
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const size_t bufferSize = renderer.getBufferSize();
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coverBuffer = static_cast<uint8_t*>(malloc(bufferSize));
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if (!coverBuffer) {
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return false;
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}
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memcpy(coverBuffer, frameBuffer, bufferSize);
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return true;
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}
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bool HomeActivity::restoreCoverBuffer() {
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if (!coverBuffer) {
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return false;
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}
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uint8_t* frameBuffer = renderer.getFrameBuffer();
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if (!frameBuffer) {
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return false;
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}
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const size_t bufferSize = renderer.getBufferSize();
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memcpy(frameBuffer, coverBuffer, bufferSize);
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return true;
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}
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void HomeActivity::freeCoverBuffer() {
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if (coverBuffer) {
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free(coverBuffer);
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coverBuffer = nullptr;
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}
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coverBufferStored = false;
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}
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void HomeActivity::freeCarouselFrames() {
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// Instance pointers are aliases into the static cache — do not free here.
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for (int i = 0; i < kCarouselFrameCount; ++i) carouselFrames[i] = nullptr;
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carouselFramesReady = false;
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}
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void HomeActivity::preRenderCarouselFrames() {
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const int bookCount = static_cast<int>(recentBooks.size());
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if (bookCount == 0) return;
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// Build cache key from book paths in order
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std::string newKey;
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newKey.reserve(128);
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for (const auto& b : recentBooks) {
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newKey += b.path;
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newKey += '\0';
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}
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// Cache hit: same books in same order — reuse without any SD reads
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if (newKey == gCacheKey && gCachedFrameCount > 0) {
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for (int i = 0; i < gCachedFrameCount; ++i) carouselFrames[i] = gCachedFrames[i];
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carouselFramesReady = true;
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coverRendered = false;
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coverBufferStored = false;
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return;
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}
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// Cache miss: free old cache and re-render
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invalidateCarouselCache();
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if (!renderer.getFrameBuffer()) return;
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const size_t bufferSize = renderer.getBufferSize();
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freeCoverBuffer(); // reclaim 48KB before allocating frames
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const int frameCount = std::min(bookCount, kCarouselFrameCount);
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for (int i = 0; i < frameCount; ++i) {
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gCachedFrames[i] = static_cast<uint8_t*>(malloc(bufferSize));
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if (!gCachedFrames[i]) {
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LOG_ERR("HOME", "preRenderCarouselFrames: malloc failed for frame %d", i);
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invalidateCarouselCache();
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return;
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}
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}
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// Render only the currently-selected cover. Adjacent frames are populated
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// lazily by updateSlidingWindowCache() after the first paint completes.
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const int selectedBookIdx = (selectorIndex < bookCount) ? selectorIndex : lastCarouselBookIndex;
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const int initialBookIdx = (selectedBookIdx >= 0 && selectedBookIdx < bookCount) ? selectedBookIdx : 0;
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renderCarouselFrame(initialBookIdx, 0);
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gCachedFrameCount = frameCount;
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gCacheKey = newKey;
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carouselFramesReady = true;
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coverRendered = false;
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coverBufferStored = false;
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}
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void HomeActivity::renderCarouselFrame(int bookIdx, int slotIdx) {
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uint8_t* frameBuffer = renderer.getFrameBuffer();
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if (!frameBuffer || !gCachedFrames[slotIdx]) return;
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const auto& metrics = UITheme::getInstance().getMetrics();
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const int pageWidth = renderer.getScreenWidth();
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const int bookCount = static_cast<int>(recentBooks.size());
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bool dummy1 = false, dummy2 = false, dummy3 = false;
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LyraCarouselTheme::setPreRenderIndex(bookIdx);
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renderer.clearScreen();
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GUI.drawHeader(renderer, Rect{0, metrics.topPadding, pageWidth, metrics.homeTopPadding}, nullptr);
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GUI.drawRecentBookCover(renderer, Rect{0, metrics.homeTopPadding, pageWidth, metrics.homeCoverTileHeight},
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recentBooks, bookCount, dummy1, dummy2, dummy3, []() { return true; });
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memcpy(gCachedFrames[slotIdx], frameBuffer, renderer.getBufferSize());
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gCachedFrameBookIdx[slotIdx] = bookIdx;
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carouselFrames[slotIdx] = gCachedFrames[slotIdx];
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}
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void HomeActivity::updateSlidingWindowCache(int centerIdx, int bookCount) {
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if (bookCount <= kCarouselFrameCount || !carouselFramesReady) return;
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const int prevIdx = (centerIdx + bookCount - 1) % bookCount;
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const int nextIdx = (centerIdx + 1) % bookCount;
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const bool hasPrev = findFrameSlot(prevIdx) >= 0;
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const bool hasNext = findFrameSlot(nextIdx) >= 0;
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if (hasPrev && hasNext) return;
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const int missingIdx = !hasPrev ? prevIdx : nextIdx;
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int evictSlot = -1;
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int maxDist = -1;
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for (int i = 0; i < kCarouselFrameCount; ++i) {
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if (!gCachedFrames[i]) continue;
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const int bookInSlot = gCachedFrameBookIdx[i];
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if (bookInSlot == centerIdx) continue;
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if (hasPrev && bookInSlot == prevIdx) continue;
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if (hasNext && bookInSlot == nextIdx) continue;
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const int diff = std::abs(bookInSlot - centerIdx);
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const int dist = std::min(diff, bookCount - diff);
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if (dist > maxDist) {
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maxDist = dist;
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evictSlot = i;
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}
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}
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if (evictSlot >= 0) {
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LOG_DBG("HOME", "carousel: evict slot %d (book %d) -> book %d", evictSlot, gCachedFrameBookIdx[evictSlot],
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missingIdx);
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renderCarouselFrame(missingIdx, evictSlot);
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}
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}
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void HomeActivity::loop() {
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if (menuEntriesDirty) {
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rebuildMenuEntries();
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}
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const bool isCarousel =
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static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme) == CrossPointSettings::UI_THEME::LYRA_CAROUSEL;
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if (isCarousel) {
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const int bookCount = static_cast<int>(recentBooks.size());
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const int menuItemCount = static_cast<int>(menuEntries.size());
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const bool inCarouselRow = (selectorIndex < bookCount);
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const int menuIdx = inCarouselRow ? 0 : (selectorIndex - bookCount);
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if (mappedInput.wasPressed(MappedInputManager::Button::Right)) {
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if (inCarouselRow && bookCount > 0)
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selectorIndex = (selectorIndex + 1) % bookCount;
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else if (!inCarouselRow)
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selectorIndex = bookCount + (menuIdx + 1) % menuItemCount;
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requestUpdate();
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}
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if (mappedInput.wasPressed(MappedInputManager::Button::Left)) {
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if (inCarouselRow && bookCount > 0)
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selectorIndex = (selectorIndex + bookCount - 1) % bookCount;
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else if (!inCarouselRow)
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selectorIndex = bookCount + (menuIdx + menuItemCount - 1) % menuItemCount;
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requestUpdate();
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}
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if (mappedInput.wasPressed(MappedInputManager::Button::Down)) {
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if (inCarouselRow) {
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lastCarouselBookIndex = selectorIndex;
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selectorIndex = bookCount;
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} else {
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selectorIndex = lastCarouselBookIndex;
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}
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requestUpdate();
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}
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if (mappedInput.wasPressed(MappedInputManager::Button::Up)) {
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if (inCarouselRow) {
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lastCarouselBookIndex = selectorIndex;
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selectorIndex = bookCount;
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} else {
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selectorIndex = lastCarouselBookIndex;
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}
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requestUpdate();
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}
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} else {
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const int totalItems = static_cast<int>(recentBooks.size() + menuEntries.size());
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if (firstRenderDone && !recentsLoaded && !recentsLoading) {
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const auto& metrics = UITheme::getInstance().getMetrics();
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const Rect contentRect = UITheme::getContentRect(renderer, true, false);
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const HomeScreenLayout layout =
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computeHomeScreenLayout(metrics, contentRect.height, static_cast<int>(menuEntries.size()));
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loadRecentCovers(getHomeCoverRenderHeight(layout));
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return;
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}
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buttonNavigator.onNext([this, totalItems] {
|
|
selectorIndex = ButtonNavigator::nextIndex(selectorIndex, totalItems);
|
|
requestUpdate();
|
|
});
|
|
|
|
buttonNavigator.onPrevious([this, totalItems] {
|
|
selectorIndex = ButtonNavigator::previousIndex(selectorIndex, totalItems);
|
|
requestUpdate();
|
|
});
|
|
}
|
|
|
|
if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
|
|
const int recentsCount = static_cast<int>(recentBooks.size());
|
|
if (selectorIndex < recentsCount) {
|
|
onSelectBook(recentBooks[selectorIndex].path);
|
|
} else {
|
|
const int menuIdx = selectorIndex - recentsCount;
|
|
if (menuIdx < static_cast<int>(menuEntries.size())) {
|
|
dispatchMenuAction(menuEntries[menuIdx].action);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void HomeActivity::render(RenderLock&&) {
|
|
const auto& metrics = UITheme::getInstance().getMetrics();
|
|
const Rect contentRect = UITheme::getContentRect(renderer, true, false);
|
|
|
|
renderer.clearScreen();
|
|
bool bufferRestored = coverBufferStored && restoreCoverBuffer();
|
|
|
|
GUI.drawHeader(renderer, Rect{contentRect.x, metrics.topPadding, contentRect.width, metrics.homeTopPadding}, nullptr);
|
|
|
|
if (menuEntriesDirty) {
|
|
rebuildMenuEntries();
|
|
}
|
|
|
|
const int totalItems = static_cast<int>(recentBooks.size() + menuEntries.size());
|
|
if (selectorIndex >= totalItems) {
|
|
selectorIndex = std::max(0, totalItems - 1);
|
|
}
|
|
|
|
const int menuCount = static_cast<int>(menuEntries.size());
|
|
const HomeScreenLayout layout = computeHomeScreenLayout(metrics, contentRect.height, menuCount);
|
|
|
|
GUI.drawRecentBookCover(renderer,
|
|
Rect{contentRect.x, metrics.homeTopPadding, contentRect.width, layout.recentTileHeight},
|
|
recentBooks, selectorIndex, coverRendered, coverBufferStored, bufferRestored,
|
|
std::bind(&HomeActivity::storeCoverBuffer, this));
|
|
|
|
GUI.drawButtonMenu(
|
|
renderer,
|
|
Rect{contentRect.x, metrics.homeTopPadding + layout.recentTileHeight + layout.recentToMenuGap, contentRect.width,
|
|
layout.menuHeight},
|
|
menuCount, selectorIndex - static_cast<int>(recentBooks.size()),
|
|
[this](int index) { return std::string(I18N.get(menuEntries[index].label)); },
|
|
[this](int index) { return menuEntries[index].icon; });
|
|
|
|
const auto labels = mappedInput.mapLabels("", tr(STR_SELECT), tr(STR_DIR_UP), tr(STR_DIR_DOWN));
|
|
GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
|
|
|
|
renderer.displayBuffer();
|
|
|
|
if (!firstRenderDone) {
|
|
firstRenderDone = true;
|
|
requestUpdate();
|
|
}
|
|
}
|
|
|
|
void HomeActivity::onSelectBook(const std::string& path) {
|
|
ReturnHint hint;
|
|
hint.target = ReturnTo::Home;
|
|
hint.selectName = path; // used to re-focus the book in the recents strip after return
|
|
activityManager.replaceWithReader(path, std::move(hint));
|
|
}
|
|
|
|
void HomeActivity::dispatchMenuAction(MenuAction action) {
|
|
// Record where the menu entry was focused so that when the launched activity exits
|
|
// (via returnFromChild() or an empty-stack finish()), we come back to the same row.
|
|
ReturnHint hint;
|
|
hint.target = ReturnTo::Home;
|
|
hint.selectIndex = selectorIndex;
|
|
activityManager.setReturnHint(std::move(hint));
|
|
|
|
switch (action) {
|
|
case MenuAction::FileBrowser:
|
|
activityManager.goToFileBrowser();
|
|
break;
|
|
case MenuAction::Recents:
|
|
activityManager.goToRecentBooks();
|
|
break;
|
|
case MenuAction::GlobalBookmarks:
|
|
activityManager.goToGlobalBookmarks();
|
|
break;
|
|
case MenuAction::OpdsBrowser:
|
|
activityManager.goToBrowser();
|
|
break;
|
|
case MenuAction::FileTransfer:
|
|
activityManager.goToFileTransfer();
|
|
break;
|
|
case MenuAction::Weather:
|
|
activityManager.goToWeather();
|
|
break;
|
|
case MenuAction::Settings:
|
|
activityManager.goToSettings();
|
|
break;
|
|
default:
|
|
LOG_ERR("HOME", "Unexpected menu action: %d", static_cast<int>(action));
|
|
break;
|
|
}
|
|
}
|