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.text.TextUtils; 22 import android.view.ThreadedRenderer; 23 24 import androidx.preference.ListPreference; 25 import androidx.preference.Preference; 26 27 import com.android.settings.R; 28 import com.android.settings.core.PreferenceControllerMixin; 29 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 30 import com.android.settingslib.development.SystemPropPoker; 31 32 public class DebugGpuOverdrawPreferenceController extends 33 DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, 34 PreferenceControllerMixin { 35 36 private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw"; 37 38 private final String[] mListValues; 39 private final String[] mListSummaries; 40 DebugGpuOverdrawPreferenceController(Context context)41 public DebugGpuOverdrawPreferenceController(Context context) { 42 super(context); 43 44 mListValues = context.getResources().getStringArray(R.array.debug_hw_overdraw_values); 45 mListSummaries = context.getResources().getStringArray(R.array.debug_hw_overdraw_entries); 46 } 47 48 @Override getPreferenceKey()49 public String getPreferenceKey() { 50 return DEBUG_HW_OVERDRAW_KEY; 51 } 52 53 @Override onPreferenceChange(Preference preference, Object newValue)54 public boolean onPreferenceChange(Preference preference, Object newValue) { 55 writeDebugHwOverdrawOptions(newValue); 56 updateDebugHwOverdrawOptions(); 57 return true; 58 } 59 60 @Override updateState(Preference preference)61 public void updateState(Preference preference) { 62 updateDebugHwOverdrawOptions(); 63 } 64 writeDebugHwOverdrawOptions(Object newValue)65 private void writeDebugHwOverdrawOptions(Object newValue) { 66 SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, 67 newValue == null ? "" : newValue.toString()); 68 SystemPropPoker.getInstance().poke(); 69 } 70 updateDebugHwOverdrawOptions()71 private void updateDebugHwOverdrawOptions() { 72 final String value = SystemProperties.get( 73 ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, "" /* default */); 74 75 int index = 0; // default 76 for (int i = 0; i < mListValues.length; i++) { 77 if (TextUtils.equals(value, mListValues[i])) { 78 index = i; 79 break; 80 } 81 } 82 final ListPreference listPreference = (ListPreference) mPreference; 83 listPreference.setValue(mListValues[index]); 84 listPreference.setSummary(mListSummaries[index]); 85 } 86 } 87