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.Nullable; 25 import androidx.annotation.VisibleForTesting; 26 import androidx.preference.Preference; 27 import androidx.preference.TwoStatePreference; 28 29 import com.android.settings.core.PreferenceControllerMixin; 30 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 31 32 public class BluetoothA2dpHwOffloadPreferenceController extends DeveloperOptionsPreferenceController 33 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 34 35 private static final String PREFERENCE_KEY = "bluetooth_disable_a2dp_hw_offload"; 36 @Nullable private final DevelopmentSettingsDashboardFragment mFragment; 37 38 static final String A2DP_OFFLOAD_DISABLED_PROPERTY = "persist.bluetooth.a2dp_offload.disabled"; 39 static final String A2DP_OFFLOAD_SUPPORTED_PROPERTY = "ro.bluetooth.a2dp_offload.supported"; 40 41 @VisibleForTesting 42 boolean mChanged = false; 43 BluetoothA2dpHwOffloadPreferenceController(Context context, @Nullable DevelopmentSettingsDashboardFragment fragment)44 public BluetoothA2dpHwOffloadPreferenceController(Context context, 45 @Nullable DevelopmentSettingsDashboardFragment fragment) { 46 super(context); 47 mFragment = fragment; 48 } 49 50 @Override getPreferenceKey()51 public String getPreferenceKey() { 52 return PREFERENCE_KEY; 53 } 54 55 @Override onPreferenceChange(Preference preference, Object newValue)56 public boolean onPreferenceChange(Preference preference, Object newValue) { 57 BluetoothRebootDialog.show(mFragment); 58 mChanged = true; 59 return false; 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 super.updateState(preference); 65 final boolean offloadSupported = 66 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 67 if (offloadSupported) { 68 final boolean offloadDisabled = 69 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 70 ((TwoStatePreference) mPreference).setChecked(offloadDisabled); 71 } else { 72 mPreference.setEnabled(false); 73 ((TwoStatePreference) mPreference).setChecked(true); 74 } 75 } 76 77 @Override onDeveloperOptionsSwitchDisabled()78 protected void onDeveloperOptionsSwitchDisabled() { 79 super.onDeveloperOptionsSwitchDisabled(); 80 final boolean offloadSupported = 81 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 82 if (offloadSupported) { 83 ((TwoStatePreference) mPreference).setChecked(false); 84 SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, "false"); 85 } 86 } 87 isDefaultValue()88 public boolean isDefaultValue() { 89 final boolean offloadSupported = 90 SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false); 91 final boolean offloadDisabled = 92 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 93 return offloadSupported ? !offloadDisabled : true; 94 } 95 96 /** 97 * Called when the RebootDialog confirm is clicked. 98 */ onRebootDialogConfirmed()99 public void onRebootDialogConfirmed() { 100 if (!mChanged) { 101 return; 102 } 103 final boolean offloadDisabled = 104 SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false); 105 SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, Boolean.toString(!offloadDisabled)); 106 if (!offloadDisabled) { 107 SystemProperties.set(LE_AUDIO_OFFLOAD_DISABLED_PROPERTY, 108 Boolean.toString(!offloadDisabled)); 109 } 110 } 111 112 /** 113 * Called when the RebootDialog cancel is clicked. 114 */ onRebootDialogCanceled()115 public void onRebootDialogCanceled() { 116 mChanged = false; 117 } 118 } 119