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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.arch.lifecycle.OnLifecycleEvent;
     21 import android.content.BroadcastReceiver;
     22 import android.content.ComponentName;
     23 import android.content.Context;
     24 import android.content.Intent;
     25 import android.content.IntentFilter;
     26 import android.media.AudioManager;
     27 import android.os.Handler;
     28 import android.os.Looper;
     29 import android.os.Message;
     30 import android.os.Vibrator;
     31 import android.text.TextUtils;
     32 
     33 import com.android.settings.R;
     34 import com.android.settings.Utils;
     35 import com.android.settingslib.core.lifecycle.Lifecycle;
     36 
     37 import java.util.Objects;
     38 
     39 public class RingVolumePreferenceController extends VolumeSeekBarPreferenceController {
     40 
     41     private static final String TAG = "RingVolumeController";
     42     private static final String KEY_RING_VOLUME = "ring_volume";
     43 
     44     private Vibrator mVibrator;
     45     private int mRingerMode = -1;
     46     private ComponentName mSuppressor;
     47     private final RingReceiver mReceiver = new RingReceiver();
     48     private final H mHandler = new H();
     49 
     50     private int mMuteIcon;
     51 
     52     public RingVolumePreferenceController(Context context) {
     53         this(context, KEY_RING_VOLUME);
     54     }
     55 
     56     public RingVolumePreferenceController(Context context, String key) {
     57         super(context, key);
     58         mVibrator = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE);
     59         if (mVibrator != null && !mVibrator.hasVibrator()) {
     60             mVibrator = null;
     61         }
     62         updateRingerMode();
     63     }
     64 
     65     @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
     66     @Override
     67     public void onResume() {
     68         super.onResume();
     69         mReceiver.register(true);
     70         updateEffectsSuppressor();
     71         updatePreferenceIcon();
     72     }
     73 
     74     @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
     75     @Override
     76     public void onPause() {
     77         super.onPause();
     78         mReceiver.register(false);
     79     }
     80 
     81     @Override
     82     public String getPreferenceKey() {
     83         return KEY_RING_VOLUME;
     84     }
     85 
     86     @Override
     87     public int getAvailabilityStatus() {
     88         return Utils.isVoiceCapable(mContext) && !mHelper.isSingleVolume()
     89                 ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     90     }
     91 
     92     @Override
     93     public boolean isSliceable() {
     94         return TextUtils.equals(getPreferenceKey(), KEY_RING_VOLUME);
     95     }
     96 
     97     @Override
     98     public int getAudioStream() {
     99         return AudioManager.STREAM_RING;
    100     }
    101 
    102     @Override
    103     public int getMuteIcon() {
    104         return mMuteIcon;
    105     }
    106 
    107     private void updateRingerMode() {
    108         final int ringerMode = mHelper.getRingerModeInternal();
    109         if (mRingerMode == ringerMode) return;
    110         mRingerMode = ringerMode;
    111         updatePreferenceIcon();
    112     }
    113 
    114     private void updateEffectsSuppressor() {
    115         final ComponentName suppressor = NotificationManager.from(mContext).getEffectsSuppressor();
    116         if (Objects.equals(suppressor, mSuppressor)) return;
    117         mSuppressor = suppressor;
    118         if (mPreference != null) {
    119             final String text = SuppressorHelper.getSuppressionText(mContext, suppressor);
    120             mPreference.setSuppressionText(text);
    121         }
    122         updatePreferenceIcon();
    123     }
    124 
    125     private void updatePreferenceIcon() {
    126         if (mPreference != null) {
    127             if (mRingerMode == AudioManager.RINGER_MODE_VIBRATE) {
    128                 mMuteIcon = R.drawable.ic_volume_ringer_vibrate;
    129                 mPreference.showIcon(R.drawable.ic_volume_ringer_vibrate);
    130             } else if (mRingerMode == AudioManager.RINGER_MODE_SILENT) {
    131                 mMuteIcon = R.drawable.ic_notifications_off_24dp;
    132                 mPreference.showIcon(R.drawable.ic_notifications_off_24dp);
    133             } else {
    134                 mPreference.showIcon(R.drawable.ic_notifications);
    135             }
    136         }
    137     }
    138 
    139     private final class H extends Handler {
    140         private static final int UPDATE_EFFECTS_SUPPRESSOR = 1;
    141         private static final int UPDATE_RINGER_MODE = 2;
    142 
    143         private H() {
    144             super(Looper.getMainLooper());
    145         }
    146 
    147         @Override
    148         public void handleMessage(Message msg) {
    149             switch (msg.what) {
    150                 case UPDATE_EFFECTS_SUPPRESSOR:
    151                     updateEffectsSuppressor();
    152                     break;
    153                 case UPDATE_RINGER_MODE:
    154                     updateRingerMode();
    155                     break;
    156             }
    157         }
    158     }
    159 
    160     private class RingReceiver extends BroadcastReceiver {
    161         private boolean mRegistered;
    162 
    163         public void register(boolean register) {
    164             if (mRegistered == register) return;
    165             if (register) {
    166                 final IntentFilter filter = new IntentFilter();
    167                 filter.addAction(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED);
    168                 filter.addAction(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION);
    169                 mContext.registerReceiver(this, filter);
    170             } else {
    171                 mContext.unregisterReceiver(this);
    172             }
    173             mRegistered = register;
    174         }
    175 
    176         @Override
    177         public void onReceive(Context context, Intent intent) {
    178             final String action = intent.getAction();
    179             if (NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED.equals(action)) {
    180                 mHandler.sendEmptyMessage(H.UPDATE_EFFECTS_SUPPRESSOR);
    181             } else if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
    182                 mHandler.sendEmptyMessage(H.UPDATE_RINGER_MODE);
    183             }
    184         }
    185     }
    186 
    187 }
    188