1 files changed, 139 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/gadget/PhotoAppWidgetProvider.java b/src/com/android/gallery3d/gadget/PhotoAppWidgetProvider.java
new file mode 100644
index 000000000..58466bf01
--- /dev/null
+++ b/src/com/android/gallery3d/gadget/PhotoAppWidgetProvider.java
@@ -0,0 +1,139 @@
+/*
+ * 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.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.util.Log;
+import android.widget.RemoteViews;
+
+import com.android.gallery3d.R;
+import com.android.gallery3d.common.ApiHelper;
+import com.android.gallery3d.gadget.WidgetDatabaseHelper.Entry;
+import com.android.gallery3d.onetimeinitializer.GalleryWidgetMigrator;
+
+public class PhotoAppWidgetProvider extends AppWidgetProvider {
+
+    private static final String TAG = "WidgetProvider";
+
+    static RemoteViews buildWidget(Context context, int id, Entry entry) {
+
+        switch (entry.type) {
+            case WidgetDatabaseHelper.TYPE_ALBUM:
+            case WidgetDatabaseHelper.TYPE_SHUFFLE:
+                return buildStackWidget(context, id, entry);
+            case WidgetDatabaseHelper.TYPE_SINGLE_PHOTO:
+                return buildFrameWidget(context, id, entry);
+        }
+        throw new RuntimeException("invalid type - " + entry.type);
+    }
+
+    @Override
+    public void onUpdate(Context context,
+            AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+
+        if (ApiHelper.HAS_REMOTE_VIEWS_SERVICE) {
+            // migrate gallery widgets from pre-JB releases to JB due to bucket ID change
+            GalleryWidgetMigrator.migrateGalleryWidgets(context);
+        }
+
+        WidgetDatabaseHelper helper = new WidgetDatabaseHelper(context);
+        try {
+            for (int id : appWidgetIds) {
+                Entry entry = helper.getEntry(id);
+                if (entry != null) {
+                    RemoteViews views = buildWidget(context, id, entry);
+                    appWidgetManager.updateAppWidget(id, views);
+                } else {
+                    Log.e(TAG, "cannot load widget: " + id);
+                }
+            }
+        } finally {
+            helper.close();
+        }
+        super.onUpdate(context, appWidgetManager, appWidgetIds);
+    }
+
+    @SuppressWarnings("deprecation")
+    @TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
+    private static RemoteViews buildStackWidget(Context context, int widgetId, Entry entry) {
+        RemoteViews views = new RemoteViews(
+                context.getPackageName(), R.layout.appwidget_main);
+
+        Intent intent = new Intent(context, WidgetService.class);
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
+        intent.putExtra(WidgetService.EXTRA_WIDGET_TYPE, entry.type);
+        intent.putExtra(WidgetService.EXTRA_ALBUM_PATH, entry.albumPath);
+        intent.setData(Uri.parse("widget://gallery/" + widgetId));
+
+        // We use the deprecated API for backward compatibility
+        // The new API is available in ICE_CREAM_SANDWICH (15)
+        views.setRemoteAdapter(widgetId, R.id.appwidget_stack_view, intent);
+
+        views.setEmptyView(R.id.appwidget_stack_view, R.id.appwidget_empty_view);
+
+        Intent clickIntent = new Intent(context, WidgetClickHandler.class);
+        PendingIntent pendingIntent = PendingIntent.getActivity(
+                context, 0, clickIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+        views.setPendingIntentTemplate(R.id.appwidget_stack_view, pendingIntent);
+
+        return views;
+    }
+
+    static RemoteViews buildFrameWidget(Context context, int appWidgetId, Entry entry) {
+        RemoteViews views = new RemoteViews(
+                context.getPackageName(), R.layout.photo_frame);
+        try {
+            byte[] data = entry.imageData;
+            Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
+            views.setImageViewBitmap(R.id.photo, bitmap);
+        } catch (Throwable t) {
+            Log.w(TAG, "cannot load widget image: " + appWidgetId, t);
+        }
+
+        if (entry.imageUri != null) {
+            try {
+                Uri uri = Uri.parse(entry.imageUri);
+                Intent clickIntent = new Intent(context, WidgetClickHandler.class)
+                        .setData(uri);
+                PendingIntent pendingClickIntent = PendingIntent.getActivity(context, 0,
+                        clickIntent, PendingIntent.FLAG_CANCEL_CURRENT);
+                views.setOnClickPendingIntent(R.id.photo, pendingClickIntent);
+            } catch (Throwable t) {
+                Log.w(TAG, "cannot load widget uri: " + appWidgetId, t);
+            }
+        }
+        return views;
+    }
+
+    @Override
+    public void onDeleted(Context context, int[] appWidgetIds) {
+        // Clean deleted photos out of our database
+        WidgetDatabaseHelper helper = new WidgetDatabaseHelper(context);
+        for (int appWidgetId : appWidgetIds) {
+            helper.deleteEntry(appWidgetId);
+        }
+        helper.close();
+    }
+}