feat: Add touch coordinate mapping and RTOS task yielding (#2481)

Co-authored-by: Julia Nguyen <julia@uxj.io>

src/activities/reader/EpubReaderChapterSelectionActivity.cpp

@@ -31,7 +31,15 @@ void EpubReaderChapterSelectionActivity::loop() {
   const int pageItems = UITheme::getInstance().getNumberOfItemsPerPage(renderer, true, false, true, false);
   const int totalItems = getTotalItems();
 
-  if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
+  if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
+    ActivityResult result;
+    result.isCancelled = true;
+    setResult(std::move(result));
+    finish();
+    return;
+  }
+
+  auto selectChapter = [this] {
     const auto tocItem = epub->getTocItem(selectorIndex);
     if (tocItem.spineIndex == -1) {
       ActivityResult result;
@@ -42,11 +50,36 @@ void EpubReaderChapterSelectionActivity::loop() {
       setResult(ChapterResult{tocItem.spineIndex, tocItem.anchor});
       finish();
     }
-  } else if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
-    ActivityResult result;
-    result.isCancelled = true;
-    setResult(std::move(result));
-    finish();
+  };
+
+  auto metrics = UITheme::getInstance().getMetrics();
+  Rect screen = UITheme::getInstance().getScreenSafeArea(renderer, true, false);
+  const int contentTop = screen.y + metrics.topPadding + metrics.headerHeight + metrics.verticalSpacing;
+  const int contentHeight = screen.height - contentTop - metrics.verticalSpacing;
+  switch (handleListTouch(selectorIndex, totalItems, contentTop, contentHeight, false)) {
+    case ListTouchResult::Activated:
+      selectChapter();
+      return;
+    case ListTouchResult::Consumed:
+      return;
+    case ListTouchResult::None:
+      break;
+  }
+
+  const auto swipe = mappedInput.wasSwipe();
+  if (swipe == MappedInputManager::SwipeDir::Up) {
+    selectorIndex = ButtonNavigator::nextPageIndex(selectorIndex, totalItems, pageItems);
+    requestUpdate();
+    return;
+  }
+  if (swipe == MappedInputManager::SwipeDir::Down) {
+    selectorIndex = ButtonNavigator::previousPageIndex(selectorIndex, totalItems, pageItems);
+    requestUpdate();
+    return;
+  }
+
+  if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
+    selectChapter();
   }
 
   buttonNavigator.onNextRelease([this, totalItems] {