| /* |
| * Copyright (C) 2021 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.flags; |
| |
| import android.content.res.Resources; |
| import android.util.SparseBooleanArray; |
| |
| import androidx.annotation.BoolRes; |
| import androidx.annotation.NonNull; |
| |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.dagger.SysUISingleton; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.dump.DumpManager; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * Default implementation of the a Flag manager that returns default values for release builds |
| * |
| * There's a version of this file in src-debug which allows overriding, and has documentation about |
| * how to set flags. |
| */ |
| @SysUISingleton |
| public class FeatureFlagManager implements FlagReader, FlagWriter, Dumpable { |
| SparseBooleanArray mAccessedFlags = new SparseBooleanArray(); |
| private Resources mResources; |
| |
| @Inject |
| public FeatureFlagManager(DumpManager dumpManager, @Main Resources resources) { |
| mResources = resources; |
| dumpManager.registerDumpable("SysUIFlags", this); |
| } |
| |
| @Override |
| public void addListener(Listener run) {} |
| |
| @Override |
| public void removeListener(Listener run) {} |
| |
| @Override |
| public boolean isEnabled(BooleanFlag flag) { |
| boolean def = flag.getDefault(); |
| if (flag.hasResourceOverride()) { |
| try { |
| def = isEnabledInOverlay(flag.getResourceOverride()); |
| } catch (Resources.NotFoundException e) { |
| // no-op |
| } |
| } |
| |
| return isEnabled(flag.getId(), def); |
| } |
| |
| private boolean isEnabledInOverlay(@BoolRes int resId) { |
| return mResources.getBoolean(resId); |
| } |
| |
| @Override |
| public boolean isEnabled(int key, boolean defaultValue) { |
| mAccessedFlags.append(key, defaultValue); |
| return defaultValue; |
| } |
| @Override |
| public void setEnabled(int key, boolean value) {} |
| |
| @Override |
| public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter pw, @NonNull String[] args) { |
| pw.println("can override: false"); |
| int size = mAccessedFlags.size(); |
| for (int i = 0; i < size; i++) { |
| pw.println(" sysui_flag_" + mAccessedFlags.keyAt(i) |
| + ": " + mAccessedFlags.valueAt(i)); |
| } |
| } |
| } |