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 ProfileGpuRenderingPreferenceController extends DeveloperOptionsPreferenceController
33         implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
34 
35     private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
36 
37     private final String[] mListValues;
38     private final String[] mListSummaries;
39 
ProfileGpuRenderingPreferenceController(Context context)40     public ProfileGpuRenderingPreferenceController(Context context) {
41         super(context);
42 
43         mListValues = context.getResources().getStringArray(R.array.track_frame_time_values);
44         mListSummaries = context.getResources().getStringArray(R.array.track_frame_time_entries);
45     }
46 
47     @Override
getPreferenceKey()48     public String getPreferenceKey() {
49         return TRACK_FRAME_TIME_KEY;
50     }
51 
52     @Override
onPreferenceChange(Preference preference, Object newValue)53     public boolean onPreferenceChange(Preference preference, Object newValue) {
54         writeTrackFrameTimeOptions(newValue);
55         updateTrackFrameTimeOptions();
56         return true;
57     }
58 
59     @Override
updateState(Preference preference)60     public void updateState(Preference preference) {
61         updateTrackFrameTimeOptions();
62     }
63 
writeTrackFrameTimeOptions(Object newValue)64     private void writeTrackFrameTimeOptions(Object newValue) {
65         SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY,
66                 newValue == null ? "" : newValue.toString());
67         SystemPropPoker.getInstance().poke();
68     }
69 
updateTrackFrameTimeOptions()70     private void updateTrackFrameTimeOptions() {
71         final String value = SystemProperties.get(
72                 ThreadedRenderer.PROFILE_PROPERTY, "" /* default */);
73         int index = 0; // default
74         for (int i = 0; i < mListValues.length; i++) {
75             if (TextUtils.equals(value, mListValues[i])) {
76                 index = i;
77                 break;
78             }
79         }
80         final ListPreference listPreference = (ListPreference) mPreference;
81         listPreference.setValue(mListValues[index]);
82         listPreference.setSummary(mListSummaries[index]);
83     }
84 }
85