private BookmarkNode getBookmarkForPosition(int position) {
if (mCurrentFolder == null) return null;
// The position 0 is saved for an entry of the current folder used to go up.
// This is not the case when the current node has no parent (it's the root node).
return (mCurrentFolder.parent() == null)
? mCurrentFolder.children().get(position)
: (position == 0 ? mCurrentFolder : mCurrentFolder.children().get(position - 1));
}
private static boolean isSameHierarchyDownwards(BookmarkNode n1, BookmarkNode n2) {
if (n1 == null && n2 == null) return true;
if (n1 == null || n2 == null) return false;
if (!n1.equalContents(n2)) return false;
for (int i = 0; i < n1.children().size(); ++i) {
if (!isSameHierarchyDownwards(n1.children().get(i), n2.children().get(i))) return false;
}
return true;
}
private BookmarkNode addImagesRecursive(BookmarkNode node) {
node.setFavicon(mGenerator.nextBoolean() ? getRandomImageBlob() : null);
node.setThumbnail(mGenerator.nextBoolean() ? getRandomImageBlob() : null);
for (BookmarkNode child : node.children()) {
addImagesRecursive(child);
}
return node;
}
// Tests parceling and comparing each of the nodes in the provided hierarchy.
private boolean internalTestNodeHierarchyParceling(BookmarkNode node) {
if (node == null) return false;
BookmarkNode parceled = parcelNode(node);
if (!isSameHierarchy(node, parceled)) return false;
for (BookmarkNode child : node.children()) {
if (!internalTestNodeHierarchyParceling(child)) return false;
}
return true;
}
@Override
public void onThumbnailUpdated(String url) {
synchronized (mLock) {
if (mCurrentFolder == null) return;
for (BookmarkNode child : mCurrentFolder.children()) {
if (child.isUrl() && url.equals(child.url())) {
refreshWidget();
break;
}
}
}
}
@Override
public int getCount() {
if (mCurrentFolder == null) return 0;
return mCurrentFolder.children().size() + (mCurrentFolder.parent() != null ? 1 : 0);
}