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/*
* Copyright 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 <android/gui/BnWindowInfosReportedListener.h>
#include <android/gui/IWindowInfosListener.h>
#include <android/gui/IWindowInfosReportedListener.h>
#include <binder/IBinder.h>
#include <ftl/small_map.h>
#include <utils/Mutex.h>
namespace android {
class SurfaceFlinger;
class WindowInfosListenerInvoker : public IBinder::DeathRecipient {
public:
explicit WindowInfosListenerInvoker(SurfaceFlinger&);
void addWindowInfosListener(sp<gui::IWindowInfosListener>);
void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
void windowInfosChanged(std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>,
bool shouldSync, bool forceImmediateCall);
protected:
void binderDied(const wp<IBinder>& who) override;
private:
struct WindowInfosReportedListener;
void windowInfosReported(bool shouldSync);
SurfaceFlinger& mFlinger;
std::mutex mListenersMutex;
static constexpr size_t kStaticCapacity = 3;
ftl::SmallMap<wp<IBinder>, const sp<gui::IWindowInfosListener>, kStaticCapacity>
mWindowInfosListeners GUARDED_BY(mListenersMutex);
std::mutex mMessagesMutex;
uint32_t mActiveMessageCount GUARDED_BY(mMessagesMutex) = 0;
std::function<void(bool)> mWindowInfosChangedDelayed GUARDED_BY(mMessagesMutex);
bool mShouldSyncDelayed;
};
} // namespace android
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