1 files changed, 143 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/gadget/WidgetService.java b/src/com/android/gallery3d/gadget/WidgetService.java
new file mode 100644
index 000000000..94dd16439
--- /dev/null
+++ b/src/com/android/gallery3d/gadget/WidgetService.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.gadget;
+
+import android.annotation.TargetApi;
+import android.appwidget.AppWidgetManager;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.widget.RemoteViews;
+import android.widget.RemoteViewsService;
+
+import com.android.gallery3d.R;
+import com.android.gallery3d.app.GalleryApp;
+import com.android.gallery3d.common.ApiHelper;
+import com.android.gallery3d.data.ContentListener;
+
+@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
+public class WidgetService extends RemoteViewsService {
+
+    @SuppressWarnings("unused")
+    private static final String TAG = "GalleryAppWidgetService";
+
+    public static final String EXTRA_WIDGET_TYPE = "widget-type";
+    public static final String EXTRA_ALBUM_PATH = "album-path";
+
+    @Override
+    public RemoteViewsFactory onGetViewFactory(Intent intent) {
+        int id = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
+                AppWidgetManager.INVALID_APPWIDGET_ID);
+        int type = intent.getIntExtra(EXTRA_WIDGET_TYPE, 0);
+        String albumPath = intent.getStringExtra(EXTRA_ALBUM_PATH);
+
+        return new PhotoRVFactory((GalleryApp) getApplicationContext(),
+                id, type, albumPath);
+    }
+
+    private static class PhotoRVFactory implements
+            RemoteViewsService.RemoteViewsFactory, ContentListener {
+
+        private final int mAppWidgetId;
+        private final int mType;
+        private final String mAlbumPath;
+        private final GalleryApp mApp;
+
+        private WidgetSource mSource;
+
+        public PhotoRVFactory(GalleryApp app, int id, int type, String albumPath) {
+            mApp = app;
+            mAppWidgetId = id;
+            mType = type;
+            mAlbumPath = albumPath;
+        }
+
+        @Override
+        public void onCreate() {
+            if (mType == WidgetDatabaseHelper.TYPE_ALBUM) {
+                mSource = new MediaSetSource(mApp.getDataManager(), mAlbumPath);
+            } else {
+                mSource = new LocalPhotoSource(mApp.getAndroidContext());
+            }
+            mSource.setContentListener(this);
+            AppWidgetManager.getInstance(mApp.getAndroidContext())
+                    .notifyAppWidgetViewDataChanged(
+                    mAppWidgetId, R.id.appwidget_stack_view);
+        }
+
+        @Override
+        public void onDestroy() {
+            mSource.close();
+            mSource = null;
+        }
+
+        @Override
+        public int getCount() {
+            return mSource.size();
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        @Override
+        public int getViewTypeCount() {
+            return 1;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return true;
+        }
+
+        @Override
+        public RemoteViews getLoadingView() {
+            RemoteViews rv = new RemoteViews(
+                    mApp.getAndroidContext().getPackageName(),
+                    R.layout.appwidget_loading_item);
+            rv.setProgressBar(R.id.appwidget_loading_item, 0, 0, true);
+            return rv;
+        }
+
+        @Override
+        public RemoteViews getViewAt(int position) {
+            Bitmap bitmap = mSource.getImage(position);
+            if (bitmap == null) return getLoadingView();
+            RemoteViews views = new RemoteViews(
+                    mApp.getAndroidContext().getPackageName(),
+                    R.layout.appwidget_photo_item);
+            views.setImageViewBitmap(R.id.appwidget_photo_item, bitmap);
+            views.setOnClickFillInIntent(R.id.appwidget_photo_item, new Intent()
+                    .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                    .setData(mSource.getContentUri(position)));
+            return views;
+        }
+
+        @Override
+        public void onDataSetChanged() {
+            mSource.reload();
+        }
+
+        @Override
+        public void onContentDirty() {
+            AppWidgetManager.getInstance(mApp.getAndroidContext())
+                    .notifyAppWidgetViewDataChanged(
+                    mAppWidgetId, R.id.appwidget_stack_view);
+        }
+    }
+}