49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <optional>
|
|
#include <string>
|
|
|
|
namespace android {
|
|
// Manages flags for SurfaceFlinger, including default values, system properties, and Mendel
|
|
// experiment configuration values.
|
|
class FlagManager {
|
|
public:
|
|
FlagManager() = default;
|
|
virtual ~FlagManager();
|
|
void dump(std::string& result) const;
|
|
|
|
int64_t demo_flag() const;
|
|
|
|
bool use_adpf_cpu_hint() const;
|
|
|
|
bool use_skia_tracing() const;
|
|
|
|
private:
|
|
friend class FlagManagerTest;
|
|
|
|
// Wrapper for mocking in test.
|
|
virtual std::string getServerConfigurableFlag(const std::string& experimentFlagName) const;
|
|
|
|
template <typename T>
|
|
T getValue(const std::string& experimentFlagName, std::optional<T> systemPropertyOpt,
|
|
T defaultValue) const;
|
|
};
|
|
} // namespace android
|