private static BookmarkNode createMockHierarchy() {
// Mock hierarchy.
// + Bookmarks
// - Google
// - Google maps
// + Youtube
// + Empty folder
// + Some other folder
// - Surprised Vader
// - Rickroll'D
BookmarkNode root = new BookmarkNode(1, Type.FOLDER, "Bookmarks", null, null);
root.addChild(new BookmarkNode(2, Type.URL, "Google", "http://www.google.com/", root));
root.addChild(new BookmarkNode(3, Type.URL, "GoogleMaps", "http://maps.google.com/", root));
BookmarkNode folder1 = new BookmarkNode(4, Type.FOLDER, "Youtube", null, root);
root.addChild(folder1);
folder1.addChild(new BookmarkNode(5, Type.FOLDER, "Empty folder", null, folder1));
BookmarkNode folder2 = new BookmarkNode(6, Type.FOLDER, "Some other folder", null, folder1);
folder1.addChild(folder2);
folder1.addChild(
new BookmarkNode(
7, Type.URL, "RickRoll'D", "http://www.youtube.com/watch?v=oHg5SJYRHA0", folder1));
folder2.addChild(
new BookmarkNode(
8, Type.URL, "Surprised Vader", "http://www.youtube.com/watch?v=9h1swNWgP8Q", folder2));
return root;
}
@SmallTest
@Feature({"Android-ContentProvider"})
public void testInvalidHierarchy() throws InterruptedException {
BookmarkNode root = new BookmarkNode(1, Type.FOLDER, "Bookmarks", null, null);
root.addChild(new BookmarkNode(2, Type.URL, "Google", "http://www.google.com/", root));
root.addChild(new BookmarkNode(2, Type.URL, "GoogleMaps", "http://maps.google.com/", root));
assertFalse(internalTestNodeHierarchyParceling(root));
}
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;
}
@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;
}
}
}
}
private static BookmarkNode parcelNode(BookmarkNode node) {
Parcel output = Parcel.obtain();
Parcel input = Parcel.obtain();
node.writeToParcel(output, 0);
byte[] bytes = output.marshall();
input.unmarshall(bytes, 0, bytes.length);
input.setDataPosition(0);
return BookmarkNode.CREATOR.createFromParcel(input);
}
// 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;
}
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);
}
private static long getFolderId(BookmarkNode folder) {
return folder != null ? folder.id() : ChromeBrowserProviderClient.INVALID_BOOKMARK_ID;
}
@Override
public RemoteViews getViewAt(int position) {
if (mCurrentFolder == null) {
Log.w(TAG, "No current folder data available.");
return null;
}
BookmarkNode bookmark = getBookmarkForPosition(position);
if (bookmark == null) {
Log.w(TAG, "Couldn't get bookmark for position " + position);
return null;
}
if (bookmark == mCurrentFolder && bookmark.parent() == null) {
Log.w(TAG, "Invalid bookmark data: loop detected.");
return null;
}
String title = bookmark.name();
String url = bookmark.url();
long id = (bookmark == mCurrentFolder) ? bookmark.parent().id() : bookmark.id();
// Two layouts are needed because RemoteView does not supporting changing the scale type
// of an ImageView: boomarks crop their thumbnails, while folders stretch their icon.
RemoteViews views =
!bookmark.isUrl()
? new RemoteViews(
mContext.getPackageName(), R.layout.bookmark_thumbnail_widget_item_folder)
: new RemoteViews(mContext.getPackageName(), R.layout.bookmark_thumbnail_widget_item);
// Set the title of the bookmark. Use the url as a backup.
views.setTextViewText(R.id.label, TextUtils.isEmpty(title) ? url : title);
if (!bookmark.isUrl()) {
int thumbId =
(bookmark == mCurrentFolder)
? R.drawable.thumb_bookmark_widget_folder_back_holo
: R.drawable.thumb_bookmark_widget_folder_holo;
views.setImageViewResource(R.id.thumb, thumbId);
views.setImageViewResource(R.id.favicon, R.drawable.ic_bookmark_widget_bookmark_holo_dark);
} else {
// RemoteViews require a valid bitmap config.
Options options = new Options();
options.inPreferredConfig = Config.ARGB_8888;
byte[] favicon = bookmark.favicon();
if (favicon != null && favicon.length > 0) {
views.setImageViewBitmap(
R.id.favicon, BitmapFactory.decodeByteArray(favicon, 0, favicon.length, options));
} else {
views.setImageViewResource(R.id.favicon, org.chromium.chrome.R.drawable.globe_favicon);
}
byte[] thumbnail = bookmark.thumbnail();
if (thumbnail != null && thumbnail.length > 0) {
views.setImageViewBitmap(
R.id.thumb, BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length, options));
} else {
views.setImageViewResource(R.id.thumb, R.drawable.browser_thumbnail);
}
}
Intent fillIn;
if (!bookmark.isUrl()) {
fillIn =
new Intent(getChangeFolderAction(mContext))
.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId)
.putExtra(BookmarkColumns._ID, id);
} else {
fillIn = new Intent(Intent.ACTION_VIEW);
if (!TextUtils.isEmpty(url)) {
fillIn = fillIn.addCategory(Intent.CATEGORY_BROWSABLE).setData(Uri.parse(url));
} else {
fillIn = fillIn.addCategory(Intent.CATEGORY_LAUNCHER);
}
}
views.setOnClickFillInIntent(R.id.list_item, fillIn);
return views;
}
@Override
public int getCount() {
if (mCurrentFolder == null) return 0;
return mCurrentFolder.children().size() + (mCurrentFolder.parent() != null ? 1 : 0);
}
private static boolean isSameHierarchy(BookmarkNode h1, BookmarkNode h2) {
return isSameHierarchyDownwards(h1.getHierarchyRoot(), h2.getHierarchyRoot());
}