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.content.Context; 20 import android.os.SystemProperties; 21 import android.view.ThreadedRenderer; 22 23 import androidx.preference.Preference; 24 import androidx.preference.SwitchPreference; 25 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 28 import com.android.settingslib.development.SystemPropPoker; 29 30 public class HardwareLayersUpdatesPreferenceController extends DeveloperOptionsPreferenceController 31 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 32 33 private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_updates"; 34 HardwareLayersUpdatesPreferenceController(Context context)35 public HardwareLayersUpdatesPreferenceController(Context context) { 36 super(context); 37 } 38 39 @Override getPreferenceKey()40 public String getPreferenceKey() { 41 return SHOW_HW_LAYERS_UPDATES_KEY; 42 } 43 44 @Override onPreferenceChange(Preference preference, Object newValue)45 public boolean onPreferenceChange(Preference preference, Object newValue) { 46 final boolean isEnabled = (Boolean) newValue; 47 SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, 48 isEnabled ? "true" : null); 49 SystemPropPoker.getInstance().poke(); 50 return true; 51 } 52 53 @Override updateState(Preference preference)54 public void updateState(Preference preference) { 55 final boolean isEnabled = SystemProperties.getBoolean( 56 ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false /* default */); 57 ((SwitchPreference) mPreference).setChecked(isEnabled); 58 } 59 60 @Override onDeveloperOptionsSwitchDisabled()61 protected void onDeveloperOptionsSwitchDisabled() { 62 super.onDeveloperOptionsSwitchDisabled(); 63 SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, null); 64 ((SwitchPreference) mPreference).setChecked(false); 65 } 66 } 67