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      1 /*
      2  * Copyright (C) 2010 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.statusbar.policy;
     18 
     19 import android.content.ContentResolver;
     20 import android.content.Context;
     21 import android.os.RemoteException;
     22 import android.os.ServiceManager;
     23 import android.os.Vibrator;
     24 import android.media.AudioManager;
     25 import android.provider.Settings;
     26 import android.util.Slog;
     27 import android.view.IWindowManager;
     28 import android.widget.CompoundButton;
     29 
     30 import com.android.systemui.settings.ToggleSlider;
     31 
     32 public class VolumeController implements ToggleSlider.Listener {
     33     private static final String TAG = "StatusBar.VolumeController";
     34     private static final int STREAM = AudioManager.STREAM_NOTIFICATION;
     35 
     36     private Context mContext;
     37     private ToggleSlider mControl;
     38     private AudioManager mAudioManager;
     39 
     40     private boolean mMute;
     41     private int mVolume;
     42     // Is there a vibrator
     43     private final boolean mHasVibrator;
     44 
     45     public VolumeController(Context context, ToggleSlider control) {
     46         mContext = context;
     47         mControl = control;
     48 
     49         Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
     50         mHasVibrator = vibrator == null ? false : vibrator.hasVibrator();
     51 
     52         mAudioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
     53 
     54         mMute = mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
     55         mVolume = mAudioManager.getStreamVolume(STREAM);
     56 
     57         control.setOnChangedListener(this);
     58     }
     59 
     60     @Override
     61     public void onInit(ToggleSlider control) {
     62         control.setMax(mAudioManager.getStreamMaxVolume(STREAM));
     63         control.setValue(mVolume);
     64         control.setChecked(mMute);
     65     }
     66 
     67     public void onChanged(ToggleSlider view, boolean tracking, boolean mute, int level) {
     68         if (!tracking) {
     69             if (mute) {
     70                 mAudioManager.setRingerMode(
     71                         mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE
     72                                      : AudioManager.RINGER_MODE_SILENT);
     73             } else {
     74                 mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
     75                 mAudioManager.setStreamVolume(STREAM, level, AudioManager.FLAG_PLAY_SOUND);
     76             }
     77         }
     78     }
     79 }
     80