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.systemui.volume;
18 
19 import android.content.res.Configuration;
20 import android.os.Handler;
21 import android.util.Log;
22 
23 import com.android.systemui.R;
24 import com.android.systemui.SystemUI;
25 import com.android.systemui.SystemUIFactory;
26 import com.android.systemui.qs.tiles.DndTile;
27 
28 import java.io.FileDescriptor;
29 import java.io.PrintWriter;
30 
31 public class VolumeUI extends SystemUI {
32     private static final String TAG = "VolumeUI";
33     private static boolean LOGD = Log.isLoggable(TAG, Log.DEBUG);
34 
35     private final Handler mHandler = new Handler();
36 
37     private boolean mEnabled;
38     private VolumeDialogComponent mVolumeComponent;
39 
40     @Override
start()41     public void start() {
42         boolean enableVolumeUi = mContext.getResources().getBoolean(R.bool.enable_volume_ui);
43         boolean enableSafetyWarning =
44             mContext.getResources().getBoolean(R.bool.enable_safety_warning);
45         mEnabled = enableVolumeUi || enableSafetyWarning;
46         if (!mEnabled) return;
47 
48         mVolumeComponent = SystemUIFactory.getInstance()
49                 .createVolumeDialogComponent(this, mContext);
50         mVolumeComponent.setEnableDialogs(enableVolumeUi, enableSafetyWarning);
51         putComponent(VolumeComponent.class, getVolumeComponent());
52         setDefaultVolumeController();
53     }
54 
getVolumeComponent()55     private VolumeComponent getVolumeComponent() {
56         return mVolumeComponent;
57     }
58 
59     @Override
onConfigurationChanged(Configuration newConfig)60     protected void onConfigurationChanged(Configuration newConfig) {
61         super.onConfigurationChanged(newConfig);
62         if (!mEnabled) return;
63         getVolumeComponent().onConfigurationChanged(newConfig);
64     }
65 
66     @Override
dump(FileDescriptor fd, PrintWriter pw, String[] args)67     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
68         pw.print("mEnabled="); pw.println(mEnabled);
69         if (!mEnabled) return;
70         getVolumeComponent().dump(fd, pw, args);
71     }
72 
setDefaultVolumeController()73     private void setDefaultVolumeController() {
74         DndTile.setVisible(mContext, true);
75         if (LOGD) Log.d(TAG, "Registering default volume controller");
76         getVolumeComponent().register();
77     }
78 }
79