1 /*
2  * Copyright (C) 2019 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.systemui.assist;
18 
19 import static com.android.systemui.DejankUtils.whitelistIpcs;
20 
21 import android.provider.DeviceConfig;
22 
23 import androidx.annotation.Nullable;
24 
25 import com.android.systemui.dagger.SysUISingleton;
26 
27 import java.util.concurrent.Executor;
28 
29 import javax.inject.Inject;
30 
31 /**
32  * Wrapper class for retrieving System UI device configuration values.
33  *
34  * Can be mocked in tests for ease of testing the effects of particular values.
35  */
36 @SysUISingleton
37 public class DeviceConfigHelper {
38 
39     @Inject
DeviceConfigHelper()40     public DeviceConfigHelper() {}
41 
getLong(String name, long defaultValue)42     public long getLong(String name, long defaultValue) {
43         return whitelistIpcs(() ->
44                 DeviceConfig.getLong(DeviceConfig.NAMESPACE_SYSTEMUI, name, defaultValue));
45     }
46 
getInt(String name, int defaultValue)47     public int getInt(String name, int defaultValue) {
48         return whitelistIpcs(() ->
49                 DeviceConfig.getInt(DeviceConfig.NAMESPACE_SYSTEMUI, name, defaultValue));
50     }
51 
52     @Nullable
getString(String name, @Nullable String defaultValue)53     public String getString(String name, @Nullable String defaultValue) {
54         return whitelistIpcs(() ->
55                 DeviceConfig.getString(DeviceConfig.NAMESPACE_SYSTEMUI, name, defaultValue));
56     }
57 
getBoolean(String name, boolean defaultValue)58     public boolean getBoolean(String name, boolean defaultValue) {
59         return whitelistIpcs(() ->
60                 DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SYSTEMUI, name, defaultValue));
61     }
62 
addOnPropertiesChangedListener( Executor executor, DeviceConfig.OnPropertiesChangedListener listener)63     public void addOnPropertiesChangedListener(
64             Executor executor, DeviceConfig.OnPropertiesChangedListener listener) {
65         DeviceConfig.addOnPropertiesChangedListener(
66                 DeviceConfig.NAMESPACE_SYSTEMUI, executor, listener);
67     }
68 
removeOnPropertiesChangedListener( DeviceConfig.OnPropertiesChangedListener listener)69     public void removeOnPropertiesChangedListener(
70             DeviceConfig.OnPropertiesChangedListener listener) {
71         DeviceConfig.removeOnPropertiesChangedListener(listener);
72     }
73 }
74