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      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.settings.notification;
     18 
     19 import android.app.NotificationManager;
     20 import android.content.BroadcastReceiver;
     21 import android.content.ComponentName;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.IntentFilter;
     25 import android.content.pm.PackageManager;
     26 import android.content.pm.ServiceInfo;
     27 import android.media.AudioManager;
     28 import android.os.Handler;
     29 import android.os.Looper;
     30 import android.os.Message;
     31 import android.os.Vibrator;
     32 import android.util.Log;
     33 
     34 import com.android.internal.annotations.VisibleForTesting;
     35 import com.android.settings.Utils;
     36 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
     37 import com.android.settingslib.core.lifecycle.Lifecycle;
     38 
     39 import java.util.Objects;
     40 
     41 public class RingVolumePreferenceController extends VolumeSeekBarPreferenceController {
     42 
     43     private static final String TAG = "RingVolumeController";
     44     private static final String KEY_RING_VOLUME = "ring_volume";
     45 
     46     private AudioManager mAudioManager;
     47     private Vibrator mVibrator;
     48     private int mRingerMode = -1;
     49     private ComponentName mSuppressor;
     50     private final RingReceiver mReceiver = new RingReceiver();
     51     private final H mHandler = new H();
     52     private AudioHelper mHelper;
     53 
     54     public RingVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle) {
     55         this(context, callback, lifecycle, new AudioHelper(context));
     56     }
     57 
     58     @VisibleForTesting
     59     RingVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle,
     60         AudioHelper helper) {
     61         super(context, callback, lifecycle);
     62         mHelper = helper;
     63         mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
     64         mVibrator = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE);
     65         if (mVibrator != null && !mVibrator.hasVibrator()) {
     66             mVibrator = null;
     67         }
     68         updateRingerMode();
     69     }
     70 
     71     @Override
     72     public void onResume() {
     73         super.onResume();
     74         mReceiver.register(true);
     75         updateEffectsSuppressor();
     76         updatePreferenceIcon();
     77     }
     78 
     79     @Override
     80     public void onPause() {
     81         super.onPause();
     82         mReceiver.register(false);
     83     }
     84 
     85     @Override
     86     public String getPreferenceKey() {
     87         return KEY_RING_VOLUME;
     88     }
     89 
     90     @Override
     91     public boolean isAvailable() {
     92         return Utils.isVoiceCapable(mContext) && !mHelper.isSingleVolume();
     93     }
     94 
     95     @Override
     96     public int getAudioStream() {
     97         return AudioManager.STREAM_RING;
     98     }
     99 
    100     @Override
    101     public int getMuteIcon() {
    102         return com.android.internal.R.drawable.ic_audio_ring_notif_mute;
    103     }
    104 
    105     private void updateRingerMode() {
    106         final int ringerMode = mAudioManager.getRingerModeInternal();
    107         if (mRingerMode == ringerMode) return;
    108         mRingerMode = ringerMode;
    109         updatePreferenceIcon();
    110     }
    111 
    112     private boolean wasRingerModeVibrate() {
    113         return mVibrator != null && mRingerMode == AudioManager.RINGER_MODE_SILENT
    114             && mAudioManager.getLastAudibleStreamVolume(AudioManager.STREAM_RING) == 0;
    115     }
    116 
    117     private void updateEffectsSuppressor() {
    118         final ComponentName suppressor = NotificationManager.from(mContext).getEffectsSuppressor();
    119         if (Objects.equals(suppressor, mSuppressor)) return;
    120         mSuppressor = suppressor;
    121         if (mPreference != null) {
    122             final String text = SuppressorHelper.getSuppressionText(mContext, suppressor);
    123             mPreference.setSuppressionText(text);
    124         }
    125         updatePreferenceIcon();
    126     }
    127 
    128     private void updatePreferenceIcon() {
    129         if (mPreference != null) {
    130             mPreference.showIcon(mSuppressor != null
    131                 ? com.android.internal.R.drawable.ic_audio_ring_notif_mute
    132                 : mRingerMode == AudioManager.RINGER_MODE_VIBRATE || wasRingerModeVibrate()
    133                     ? com.android.internal.R.drawable.ic_audio_ring_notif_vibrate
    134                     : com.android.internal.R.drawable.ic_audio_ring_notif);
    135         }
    136     }
    137 
    138     private final class H extends Handler {
    139         private static final int UPDATE_EFFECTS_SUPPRESSOR = 1;
    140         private static final int UPDATE_RINGER_MODE = 2;
    141 
    142         private H() {
    143             super(Looper.getMainLooper());
    144         }
    145 
    146         @Override
    147         public void handleMessage(Message msg) {
    148             switch (msg.what) {
    149                 case UPDATE_EFFECTS_SUPPRESSOR:
    150                     updateEffectsSuppressor();
    151                     break;
    152                 case UPDATE_RINGER_MODE:
    153                     updateRingerMode();
    154                     break;
    155             }
    156         }
    157     }
    158 
    159     private class RingReceiver extends BroadcastReceiver {
    160         private boolean mRegistered;
    161 
    162         public void register(boolean register) {
    163             if (mRegistered == register) return;
    164             if (register) {
    165                 final IntentFilter filter = new IntentFilter();
    166                 filter.addAction(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED);
    167                 filter.addAction(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION);
    168                 mContext.registerReceiver(this, filter);
    169             } else {
    170                 mContext.unregisterReceiver(this);
    171             }
    172             mRegistered = register;
    173         }
    174 
    175         @Override
    176         public void onReceive(Context context, Intent intent) {
    177             final String action = intent.getAction();
    178             if (NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED.equals(action)) {
    179                 mHandler.sendEmptyMessage(H.UPDATE_EFFECTS_SUPPRESSOR);
    180             } else if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
    181                 mHandler.sendEmptyMessage(H.UPDATE_RINGER_MODE);
    182             }
    183         }
    184     }
    185 
    186 }
    187