1 /*
2  * Copyright (C) 2014 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.printspooler.model;
18 
19 import static android.content.Context.BIND_AUTO_CREATE;
20 
21 import android.content.ComponentName;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.content.ServiceConnection;
25 import android.os.IBinder;
26 
27 public class PrintSpoolerProvider implements ServiceConnection {
28     private final Context mContext;
29     private final Runnable mCallback;
30 
31     private PrintSpoolerService mSpooler;
32 
PrintSpoolerProvider(Context context, Runnable callback)33     public PrintSpoolerProvider(Context context, Runnable callback) {
34         mContext = context;
35         mCallback = callback;
36         Intent intent = new Intent(mContext, PrintSpoolerService.class);
37         mContext.bindService(intent, this, BIND_AUTO_CREATE);
38     }
39 
getSpooler()40     public PrintSpoolerService getSpooler() {
41         return mSpooler;
42     }
43 
destroy()44     public void destroy() {
45         if (mSpooler != null) {
46             mContext.unbindService(this);
47         }
48     }
49 
50     @Override
onServiceConnected(ComponentName name, IBinder service)51     public void onServiceConnected(ComponentName name, IBinder service) {
52         mSpooler = ((PrintSpoolerService.PrintSpooler) service).getService();
53         if (mSpooler != null) {
54             mCallback.run();
55         }
56     }
57 
58     @Override
onServiceDisconnected(ComponentName name)59     public void onServiceDisconnected(ComponentName name) {
60         /* do nothing - we are in the same process */
61     }
62 }
63