src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java

   1 /*
   2  * Copyright (C) 2017 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.development;
  18
  19 import android.bluetooth.BluetoothHeadset;
  20 import android.content.Context;
  21 import android.os.SystemProperties;
  22 import android.support.annotation.VisibleForTesting;
  23 import android.support.v14.preference.SwitchPreference;
  24 import android.support.v7.preference.Preference;
  25
  26 import com.android.settings.core.PreferenceControllerMixin;
  27 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
  28
  29 public class BluetoothInbandRingingPreferenceController extends DeveloperOptionsPreferenceController
  30         implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
  31
  32     private static final String BLUETOOTH_DISABLE_INBAND_RINGING_KEY =
  33             "bluetooth_disable_inband_ringing";
  34     @VisibleForTesting
  35     static final String BLUETOOTH_DISABLE_INBAND_RINGING_PROPERTY =
  36             "persist.bluetooth.disableinbandringing";
  37
  38     public BluetoothInbandRingingPreferenceController(Context context) {
  39         super(context);
  40     }
  41
  42     @Override
  43     public boolean isAvailable() {
  44         return isInbandRingingSupported();
  45     }
  46
  47     @Override
  48     public String getPreferenceKey() {
  49         return BLUETOOTH_DISABLE_INBAND_RINGING_KEY;
  50     }
  51
  52     @Override
  53     public boolean onPreferenceChange(Preference preference, Object newValue) {
  54         final boolean isChecked = (Boolean) newValue;
  55         SystemProperties.set(BLUETOOTH_DISABLE_INBAND_RINGING_PROPERTY,
  56                 isChecked ? "true" : "false");
  57         return true;
  58     }
  59
  60     @Override
  61     public void updateState(Preference preference) {
  62         final boolean isEnabled = SystemProperties.getBoolean(
  63                 BLUETOOTH_DISABLE_INBAND_RINGING_PROPERTY, false /* default */);
  64         ((SwitchPreference) mPreference).setChecked(isEnabled);
  65     }
  66
  67     @Override
  68     protected void onDeveloperOptionsSwitchDisabled() {
  69         super.onDeveloperOptionsSwitchDisabled();
  70         ((SwitchPreference) mPreference).setChecked(false);
  71         SystemProperties.set(BLUETOOTH_DISABLE_INBAND_RINGING_PROPERTY, "false");
  72     }
  73
  74     @VisibleForTesting
  75     boolean isInbandRingingSupported() {
  76         return BluetoothHeadset.isInbandRingingSupported(mContext);
  77     }
  78 }