1 files changed, 74 insertions, 0 deletions
diff --git a/com/android/systemui/recents/model/RecentsPackageMonitor.java b/com/android/systemui/recents/model/RecentsPackageMonitor.java
new file mode 100644
index 00000000..308cece1
--- /dev/null
+++ b/com/android/systemui/recents/model/RecentsPackageMonitor.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2014 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.systemui.recents.model;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+import com.android.internal.content.PackageMonitor;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.events.activity.PackagesChangedEvent;
+import com.android.systemui.recents.misc.ForegroundThread;
+
+/**
+ * The package monitor listens for changes from PackageManager to update the contents of the
+ * Recents list.
+ */
+public class RecentsPackageMonitor extends PackageMonitor {
+
+    /** Registers the broadcast receivers with the specified callbacks. */
+    public void register(Context context) {
+        try {
+            // We register for events from all users, but will cross-reference them with
+            // packages for the current user and any profiles they have.  Ensure that events are
+            // handled in a background thread.
+            register(context, ForegroundThread.get().getLooper(), UserHandle.ALL, true);
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /** Unregisters the broadcast receivers. */
+    @Override
+    public void unregister() {
+        try {
+            super.unregister();
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void onPackageRemoved(String packageName, int uid) {
+        // Notify callbacks on the main thread that a package has changed
+        final int eventUserId = getChangingUserId();
+        EventBus.getDefault().post(new PackagesChangedEvent(this, packageName, eventUserId));
+    }
+
+    @Override
+    public boolean onPackageChanged(String packageName, int uid, String[] components) {
+        onPackageModified(packageName);
+        return true;
+    }
+
+    @Override
+    public void onPackageModified(String packageName) {
+        // Notify callbacks on the main thread that a package has changed
+        final int eventUserId = getChangingUserId();
+        EventBus.getDefault().post(new PackagesChangedEvent(this, packageName, eventUserId));
+    }
+}