| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.statusbar; |
| |
| import android.annotation.NonNull; |
| import android.provider.DeviceConfig; |
| import android.util.ArrayMap; |
| |
| import com.android.systemui.dagger.qualifiers.Background; |
| |
| import java.util.Map; |
| import java.util.concurrent.Executor; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Class to manage simple DeviceConfig-based feature flags. |
| * |
| * To enable or disable a flag, run: |
| * |
| * {@code |
| * $ adb shell device_config put systemui <key> <true|false> |
| * } |
| * |
| * You will probably need to restart systemui for the changes to be picked up: |
| * |
| * {@code |
| * $ adb shell am restart com.android.systemui |
| * } |
| */ |
| @Singleton |
| public class FeatureFlags { |
| private final Map<String, Boolean> mCachedDeviceConfigFlags = new ArrayMap<>(); |
| |
| @Inject |
| public FeatureFlags(@Background Executor executor) { |
| DeviceConfig.addOnPropertiesChangedListener( |
| "systemui", |
| executor, |
| this::onPropertiesChanged); |
| } |
| |
| public boolean isNewNotifPipelineEnabled() { |
| return getDeviceConfigFlag("notification.newpipeline.enabled", false); |
| } |
| |
| public boolean isNewNotifPipelineRenderingEnabled() { |
| return isNewNotifPipelineEnabled() |
| && getDeviceConfigFlag("notification.newpipeline.rendering", false); |
| } |
| |
| private void onPropertiesChanged(@NonNull DeviceConfig.Properties properties) { |
| synchronized (mCachedDeviceConfigFlags) { |
| for (String key : properties.getKeyset()) { |
| mCachedDeviceConfigFlags.remove(key); |
| } |
| } |
| } |
| |
| private boolean getDeviceConfigFlag(String key, boolean defaultValue) { |
| synchronized (mCachedDeviceConfigFlags) { |
| Boolean flag = mCachedDeviceConfigFlags.get(key); |
| if (flag == null) { |
| flag = DeviceConfig.getBoolean("systemui", key, defaultValue); |
| mCachedDeviceConfigFlags.put(key, flag); |
| } |
| return flag; |
| } |
| } |
| } |