private BookmarkNode loadBookmarkFolder(long folderId) {
if (ThreadUtils.runningOnUiThread()) {
Log.e(TAG, "Trying to load bookmark folder from the UI thread.");
return null;
}
// If the current folder id doesn't exist (it was deleted) try the current parent.
// If this fails too then fallback to Mobile Bookmarks.
if (!ChromeBrowserProviderClient.bookmarkNodeExists(mContext, folderId)) {
folderId =
mCurrentFolder != null
? getFolderId(mCurrentFolder.parent())
: ChromeBrowserProviderClient.INVALID_BOOKMARK_ID;
if (!ChromeBrowserProviderClient.bookmarkNodeExists(mContext, folderId)) {
folderId = ChromeBrowserProviderClient.INVALID_BOOKMARK_ID;
}
}
// Need to verify this always because the package data might be cleared while the
// widget is in the Mobile Bookmarks folder with sync enabled. In that case the
// hierarchy up folder would still work (we can't update the widget) but the parent
// folders should not be accessible because sync has been reset when clearing data.
if (folderId != ChromeBrowserProviderClient.INVALID_BOOKMARK_ID
&& !AndroidSyncSettings.isSyncEnabled(mContext)
&& !ChromeBrowserProviderClient.isBookmarkInMobileBookmarksBranch(mContext, folderId)) {
folderId = ChromeBrowserProviderClient.INVALID_BOOKMARK_ID;
}
// Use the Mobile Bookmarks folder by default.
if (folderId < 0 || folderId == ChromeBrowserProviderClient.INVALID_BOOKMARK_ID) {
folderId = ChromeBrowserProviderClient.getMobileBookmarksFolderId(mContext);
if (folderId == ChromeBrowserProviderClient.INVALID_BOOKMARK_ID) return null;
}
return ChromeBrowserProviderClient.getBookmarkNode(
mContext,
folderId,
ChromeBrowserProviderClient.GET_PARENT
| ChromeBrowserProviderClient.GET_CHILDREN
| ChromeBrowserProviderClient.GET_FAVICONS
| ChromeBrowserProviderClient.GET_THUMBNAILS);
}
@Override
protected Void doInBackground(Void... params) {
// If we're in the Mobile Bookmarks folder the icon to go up the hierarchy
// will either appear or disappear. Need to refresh.
long mobileBookmarksFolderId =
ChromeBrowserProviderClient.getMobileBookmarksFolderId(mContext);
if (mCurrentFolderId == mobileBookmarksFolderId) {
refreshWidget();
return null;
}
// If disabling sync, we need to move to the Mobile Bookmarks folder if we're
// not inside that branch of the bookmark hierarchy (will become not accessible).
if (!mEnabled
&& !ChromeBrowserProviderClient.isBookmarkInMobileBookmarksBranch(
mContext, mCurrentFolderId)) {
requestFolderChange(mobileBookmarksFolderId);
}
return null;
}