@Override
public void clearSelection() {
mSelectedBookmarks.clear();
for (EnhancedBookmarkUIObserver observer : mUIObservers) {
observer.onSelectionStateChange(new ArrayList<BookmarkId>(mSelectedBookmarks));
}
}
@Override
public boolean toggleSelectionForBookmark(BookmarkId bookmark) {
if (!mEnhancedBookmarksModel.getBookmarkById(bookmark).isEditable()) return false;
if (mSelectedBookmarks.contains(bookmark)) mSelectedBookmarks.remove(bookmark);
else mSelectedBookmarks.add(bookmark);
for (EnhancedBookmarkUIObserver observer : mUIObservers) {
observer.onSelectionStateChange(new ArrayList<BookmarkId>(mSelectedBookmarks));
}
return isBookmarkSelected(bookmark);
}
/** Destroys and cleans up itself. This must be called after done using this class. */
public void destroy() {
for (EnhancedBookmarkUIObserver observer : mUIObservers) {
observer.onDestroy();
}
assert mUIObservers.size() == 0;
if (mUndoController != null) {
mUndoController.destroy();
mUndoController = null;
}
mEnhancedBookmarksModel.removeObserver(mBookmarkModelObserver);
mEnhancedBookmarksModel.destroy();
mEnhancedBookmarksModel = null;
mLargeIconBridge.destroy();
mLargeIconBridge = null;
}
@Override
public void notifyStateChange(EnhancedBookmarkUIObserver observer) {
int state = getCurrentState();
switch (state) {
case UIState.STATE_ALL_BOOKMARKS:
observer.onAllBookmarksStateSet();
break;
case UIState.STATE_FOLDER:
observer.onFolderStateSet(mStateStack.peek().mFolder);
break;
case UIState.STATE_LOADING:
// In loading state, onEnhancedBookmarkDelegateInitialized() is not called for all
// UIObservers, which means that there will be no observers at the time. Do nothing.
assert mUIObservers.isEmpty();
break;
case UIState.STATE_FILTER:
observer.onFilterStateSet(mStateStack.peek().mFilter);
break;
default:
assert false : "State not valid";
break;
}
}