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/*
* 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));
}
}
}
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