1 /* 2 * Copyright 2018 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 static com.android.settings.development.BluetoothLeAudioHwOffloadPreferenceController.LE_AUDIO_OFFLOAD_DISABLED_PROPERTY; 20 21 import android.content.Context; 22 import android.os.SystemProperties; 23 24 import androidx.annotation.VisibleForTesting; 25 import androidx.preference.Preference; 26 import androidx.preference.SwitchPreference; 27 28 import com.android.settings.core.PreferenceControllerMixin; 29 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 30 31 public class BluetoothA2dpHwOffloadPreferenceController extends DeveloperOptionsPreferenceController 32 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 33 34 private static final String PREFERENCE_KEY = "bluetooth_disable_a2dp_hw_offload"; 35 private final DevelopmentSettingsDashboardFragment mFragment; 36 37 static final String A2DP_OFFLOAD_DISABLED_PROPERTY = "persist.bluetooth.a2dp_offload.disabled"; 38 static final String A2DP_OFFLOAD_SUPPORTED_PROPERTY = "ro.bluetooth.a2dp_offload.supported"; 39 40 @VisibleForTesting 41 boolean mChanged = false; 42 BluetoothA2dpHwOffloadPreferenceController(Context context, DevelopmentSettingsDashboardFragment fragment)43 public BluetoothA2dpHwOffloadPreferenceController(Context context, 44 DevelopmentSettingsDashboardFragment fragment) { 45 super(context); 46 mFragment = fragment; 47 } 48 49 @Override getPreferenceKey()50 public String getPreferenceKey() { 51 return PREFERENCE_KEY; 52 } 53 54 @Override onPreferenceChange(Preference preference, Object newValue)55 public boolean onPreferenceChange(Preference preference, Object newValue) { 56 BluetoothRebootDialog.show(mFragment); 57 mChanged = true; 58 return false; 59 } 60 61 @Override updateState(Preference preference)62 public void updateState(Preference preference) { 63 super.updateState(preference); 64 final boolean offloadSupported = 65 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 66 if (offloadSupported) { 67 final boolean offloadDisabled = 68 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 69 ((SwitchPreference) mPreference).setChecked(offloadDisabled); 70 } else { 71 mPreference.setEnabled(false); 72 ((SwitchPreference) mPreference).setChecked(true); 73 } 74 } 75 76 @Override onDeveloperOptionsSwitchDisabled()77 protected void onDeveloperOptionsSwitchDisabled() { 78 super.onDeveloperOptionsSwitchDisabled(); 79 final boolean offloadSupported = 80 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 81 if (offloadSupported) { 82 ((SwitchPreference) mPreference).setChecked(false); 83 SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, "false"); 84 } 85 } 86 isDefaultValue()87 public boolean isDefaultValue() { 88 final boolean offloadSupported = 89 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 90 final boolean offloadDisabled = 91 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 92 return offloadSupported ? !offloadDisabled : true; 93 } 94 95 /** 96 * Called when the RebootDialog confirm is clicked. 97 */ onRebootDialogConfirmed()98 public void onRebootDialogConfirmed() { 99 if (!mChanged) { 100 return; 101 } 102 final boolean offloadDisabled = 103 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 104 SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, Boolean.toString(!offloadDisabled)); 105 if (!offloadDisabled) { 106 SystemProperties.set(LE_AUDIO_OFFLOAD_DISABLED_PROPERTY, 107 Boolean.toString(!offloadDisabled)); 108 } 109 } 110 111 /** 112 * Called when the RebootDialog cancel is clicked. 113 */ onRebootDialogCanceled()114 public void onRebootDialogCanceled() { 115 mChanged = false; 116 } 117 } 118