1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.systemui.shortcut;
18 
19 import android.os.Handler;
20 import android.os.Message;
21 import android.os.RemoteException;
22 
23 import com.android.internal.policy.IShortcutService;
24 
25 /**
26  * This class takes functions from IShortcutService that come in binder pool threads and
27  * post them onto shortcut handlers.
28  */
29 public class ShortcutKeyServiceProxy extends IShortcutService.Stub {
30     private static final int MSG_SHORTCUT_RECEIVED = 1;
31 
32     private final Object mLock = new Object();
33     private Callbacks mCallbacks;
34     private final Handler mHandler = new H();
35 
36     public interface Callbacks {
onShortcutKeyPressed(long shortcutCode)37         void onShortcutKeyPressed(long shortcutCode);
38     }
39 
ShortcutKeyServiceProxy(Callbacks callbacks)40     public ShortcutKeyServiceProxy(Callbacks callbacks) { mCallbacks = callbacks; }
41 
42     @Override
notifyShortcutKeyPressed(long shortcutCode)43     public void notifyShortcutKeyPressed(long shortcutCode) throws RemoteException {
44         synchronized (mLock) {
45             mHandler.obtainMessage(MSG_SHORTCUT_RECEIVED, shortcutCode).sendToTarget();
46         }
47     }
48 
49     private final class H extends Handler {
handleMessage(Message msg)50         public void handleMessage(Message msg) {
51             final int what = msg.what;
52             switch (what) {
53                 case MSG_SHORTCUT_RECEIVED:
54                     mCallbacks.onShortcutKeyPressed((Long)msg.obj);
55                     break;
56             }
57         }
58     }
59 }
60