Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/bookmarkswidget/BookmarkThumbnailWidgetService.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/bookmarkswidget/BookmarkThumbnailWidgetService.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/bookmarkswidget/BookmarkThumbnailWidgetService.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/bookmarkswidget/BookmarkThumbnailWidgetService.java
deleted file mode 100644
index 8ba1827d1e0883215f9c04849187da555fccbe67..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/bookmarkswidget/BookmarkThumbnailWidgetService.java
+++ /dev/null
@@ -1,388 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.bookmarkswidget;
-
-import android.appwidget.AppWidgetManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.graphics.Bitmap.Config;
-import android.graphics.BitmapFactory;
-import android.graphics.BitmapFactory.Options;
-import android.net.Uri;
-import android.os.AsyncTask;
-import android.os.Binder;
-import android.provider.Browser.BookmarkColumns;
-import android.text.TextUtils;
-import android.util.Log;
-import android.widget.RemoteViews;
-import android.widget.RemoteViewsService;
-
-import com.google.android.apps.chrome.appwidget.bookmarks.BookmarkThumbnailWidgetProvider;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.annotations.SuppressFBWarnings;
-import org.chromium.base.library_loader.ProcessInitException;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ChromeBrowserProvider.BookmarkNode;
-import org.chromium.chrome.browser.ChromeBrowserProviderClient;
-import org.chromium.chrome.browser.ChromiumApplication;
-import org.chromium.chrome.browser.util.IntentUtils;
-import org.chromium.sync.AndroidSyncSettings;
-
-/**
- * Service to support bookmarks on the Android home screen
- */
-public class BookmarkThumbnailWidgetService extends RemoteViewsService {
-
-    static final String TAG = "BookmarkThumbnailWidgetService";
-    static final String ACTION_CHANGE_FOLDER_SUFFIX = ".CHANGE_FOLDER";
-    static final String STATE_CURRENT_FOLDER = "current_folder";
-
-    @Override
-    public RemoteViewsFactory onGetViewFactory(Intent intent) {
-        int widgetId = IntentUtils.safeGetIntExtra(intent, AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
-        if (widgetId < 0) {
-            Log.w(TAG, "Missing EXTRA_APPWIDGET_ID!");
-            return null;
-        }
-        return new BookmarkFactory(this, widgetId);
-    }
-
-    static String getChangeFolderAction(Context context) {
-        return context.getPackageName() + ACTION_CHANGE_FOLDER_SUFFIX;
-    }
-
-    private static SharedPreferences getWidgetState(Context context, int widgetId) {
-        return context.getSharedPreferences(
-                String.format("widgetState-%d", widgetId),
-                Context.MODE_PRIVATE);
-    }
-
-    static void deleteWidgetState(Context context, int widgetId) {
-        // Android Browser's widget used private API methods to access the shared prefs
-        // files and deleted them. This is the best we can do with the public API.
-        SharedPreferences preferences = getWidgetState(context, widgetId);
-        if (preferences != null) preferences.edit().clear().commit();
-    }
-
-    static void changeFolder(Context context, Intent intent) {
-        int widgetId = IntentUtils.safeGetIntExtra(intent, AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
-        long folderId = IntentUtils.safeGetLongExtra(intent, BookmarkColumns._ID,
-                ChromeBrowserProviderClient.INVALID_BOOKMARK_ID);
-        if (widgetId >= 0 && folderId >= 0) {
-            SharedPreferences prefs = getWidgetState(context, widgetId);
-            prefs.edit().putLong(STATE_CURRENT_FOLDER, folderId).commit();
-            AppWidgetManager.getInstance(context)
-                    .notifyAppWidgetViewDataChanged(widgetId, R.id.bookmarks_list);
-        }
-    }
-
-    static class BookmarkFactory implements RemoteViewsService.RemoteViewsFactory,
-            BookmarkWidgetUpdateListener.UpdateListener {
-
-        private final ChromiumApplication mContext;
-        private final int mWidgetId;
-        private final SharedPreferences mPreferences;
-        private BookmarkWidgetUpdateListener mUpdateListener;
-        private BookmarkNode mCurrentFolder;
-        private final Object mLock = new Object();
-
-        public BookmarkFactory(Context context, int widgetId) {
-            mContext = (ChromiumApplication) context.getApplicationContext();
-            mWidgetId = widgetId;
-            mPreferences = getWidgetState(mContext, mWidgetId);
-        }
-
-        private static long getFolderId(BookmarkNode folder) {
-            return folder != null ? folder.id() : ChromeBrowserProviderClient.INVALID_BOOKMARK_ID;
-        }
-
-        @SuppressFBWarnings("DM_EXIT")
-        @Override
-        public void onCreate() {
-            // Required to be applied here redundantly to prevent crashes in the cases where the
-            // package data is deleted or the Chrome application forced to stop.
-            try {
-                mContext.startBrowserProcessesAndLoadLibrariesSync(true);
-            } catch (ProcessInitException e) {
-                Log.e(TAG, "Failed to start browser process.", e);
-                // Since the library failed to initialize nothing in the application
-                // can work, so kill the whole application not just the activity
-                System.exit(-1);
-            }
-            mUpdateListener = new BookmarkWidgetUpdateListener(mContext, this);
-        }
-
-        @Override
-        public void onDestroy() {
-            if (mUpdateListener != null) mUpdateListener.destroy();
-            deleteWidgetState(mContext, mWidgetId);
-        }
-
-        @Override
-        public void onBookmarkModelUpdated() {
-            refreshWidget();
-        }
-
-        @Override
-        public void onSyncEnabledStatusUpdated(boolean enabled) {
-            synchronized (mLock) {
-                // Need to operate in a separate thread as it involves queries to our provider.
-                new SyncEnabledStatusUpdatedTask(enabled, getFolderId(mCurrentFolder)).execute();
-            }
-        }
-
-        @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;
-                    }
-                }
-            }
-        }
-
-        void refreshWidget() {
-            mContext.sendBroadcast(new Intent(
-                    BookmarkThumbnailWidgetProviderBase.getBookmarkAppWidgetUpdateAction(mContext),
-                    null, mContext, BookmarkThumbnailWidgetProvider.class)
-                    .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId));
-        }
-
-        void requestFolderChange(long folderId) {
-            mContext.sendBroadcast(new Intent(getChangeFolderAction(mContext))
-                        .setClass(mContext, BookmarkWidgetProxy.class)
-                        .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId)
-                        .putExtra(BookmarkColumns._ID, folderId));
-        }
-
-        // Performs the required checks to trigger an update of the widget after changing the sync
-        // enable settings. The required provider methods cannot be accessed in the UI thread.
-        private class SyncEnabledStatusUpdatedTask extends AsyncTask<Void, Void, Void> {
-            private final boolean mEnabled;
-            private final long mCurrentFolderId;
-
-            public SyncEnabledStatusUpdatedTask(boolean enabled, long currentFolderId) {
-                mEnabled = enabled;
-                mCurrentFolderId = currentFolderId;
-            }
-
-            @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;
-            }
-        }
-
-        // ---------------------------------------------------------------- //
-        // ------- Methods below this line run in different thread -------- //
-        // ---------------------------------------------------------------- //
-
-        private void syncState() {
-            long currentFolderId = mPreferences.getLong(STATE_CURRENT_FOLDER,
-                    ChromeBrowserProviderClient.INVALID_BOOKMARK_ID);
-
-            // Keep outside the synchronized block to avoid deadlocks in case loading the folder
-            // triggers an update that locks when trying to read mCurrentFolder.
-            BookmarkNode newFolder = loadBookmarkFolder(currentFolderId);
-
-            synchronized (mLock) {
-                mCurrentFolder =
-                        getFolderId(newFolder) != ChromeBrowserProviderClient.INVALID_BOOKMARK_ID
-                        ? newFolder : null;
-            }
-
-            mPreferences.edit()
-                .putLong(STATE_CURRENT_FOLDER, getFolderId(mCurrentFolder))
-                .apply();
-        }
-
-        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 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));
-        }
-
-        @Override
-        public void onDataSetChanged() {
-            long token = Binder.clearCallingIdentity();
-            syncState();
-            Binder.restoreCallingIdentity(token);
-        }
-
-        @Override
-        public int getViewTypeCount() {
-            return 2;
-        }
-
-        @Override
-        public boolean hasStableIds() {
-            return false;
-        }
-
-        @Override
-        public int getCount() {
-            if (mCurrentFolder == null) return 0;
-            return mCurrentFolder.children().size() + (mCurrentFolder.parent() != null ? 1 : 0);
-        }
-
-        @Override
-        public long getItemId(int position) {
-            return getFolderId(getBookmarkForPosition(position));
-        }
-
-        @Override
-        public RemoteViews getLoadingView() {
-            return new RemoteViews(mContext.getPackageName(),
-                    R.layout.bookmark_thumbnail_widget_item);
-        }
-
-        @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;
-        }
-    }
-}