TakeScreenshotService.java revision 6ca619fe1aff489e1227b0db6a77c96e973a1db3 
1/*
2 * Copyright (C) 2011 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
17package com.android.systemui.screenshot;
18
19import android.app.Service;
20import android.content.Intent;
21import android.os.Handler;
22import android.os.IBinder;
23import android.os.Message;
24import android.os.Messenger;
25import android.os.RemoteException;
26import android.view.WindowManager;
27
28public class TakeScreenshotService extends Service {
29    private static final String TAG = "TakeScreenshotService";
30
31    private static GlobalScreenshot mScreenshot;
32
33    private Handler mHandler = new Handler() {
34        @Override
35        public void handleMessage(Message msg) {
36            final Messenger callback = msg.replyTo;
37            Runnable finisher = new Runnable() {
38                @Override
39                public void run() {
40                    Message reply = Message.obtain(null, 1);
41                    try {
42                        callback.send(reply);
43                    } catch (RemoteException e) {
44                    }
45                }
46            };
47            if (mScreenshot == null) {
48                mScreenshot = new GlobalScreenshot(TakeScreenshotService.this);
49            }
50
51            switch (msg.what) {
52                case WindowManager.TAKE_SCREENSHOT_FULLSCREEN:
53                    mScreenshot.takeScreenshot(finisher, msg.arg1 > 0, msg.arg2 > 0);
54                    break;
55                case WindowManager.TAKE_SCREENSHOT_SELECTED_REGION:
56                    mScreenshot.takeScreenshotPartial(finisher, msg.arg1 > 0, msg.arg2 > 0);
57                    break;
58            }
59        }
60    };
61
62    @Override
63    public IBinder onBind(Intent intent) {
64        return new Messenger(mHandler).getBinder();
65    }
66
67    @Override
68    public boolean onUnbind(Intent intent) {
69        if (mScreenshot != null) mScreenshot.stopScreenshot();
70        return true;
71    }
72}
73