First commit

app/src/main/java/com/android/launcher2/LauncherAppWidgetHost.java

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+/*
+ * Copyright (C) 2009 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.launcher2;
+
+import android.appwidget.AppWidgetHost;
+import android.appwidget.AppWidgetHostView;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.Context;
+
+/**
+ * Specific {@link AppWidgetHost} that creates our {@link LauncherAppWidgetHostView}
+ * which correctly captures all long-press events. This ensures that users can
+ * always pick up and move widgets.
+ */
+public class LauncherAppWidgetHost extends AppWidgetHost {
+
+    Launcher mLauncher;
+
+    public LauncherAppWidgetHost(Launcher launcher, int hostId) {
+        super(launcher, hostId);
+        mLauncher = launcher;
+    }
+
+    @Override
+    protected AppWidgetHostView onCreateView(Context context, int appWidgetId,
+            AppWidgetProviderInfo appWidget) {
+        return new LauncherAppWidgetHostView(context);
+    }
+
+    @Override
+    public void stopListening() {
+        super.stopListening();
+        clearViews();
+    }
+
+    protected void onProvidersChanged() {
+        // Once we get the message that widget packages are updated, we need to rebind items
+        // in AppsCustomize accordingly.
+        mLauncher.bindPackagesUpdated(LauncherModel.getSortedWidgetsAndShortcuts(mLauncher));
+    }
+}