| /* |
| * 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 <utils/Mutex.h> |
| #include <unordered_map> |
| |
| namespace android { |
| |
| class SurfaceFlinger; |
| |
| class WindowInfosListenerInvoker : public IBinder::DeathRecipient { |
| public: |
| WindowInfosListenerInvoker(const sp<SurfaceFlinger>& sf); |
| void addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener); |
| void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener); |
| |
| void windowInfosChanged(const std::vector<gui::WindowInfo>& windowInfos, bool shouldSync); |
| |
| protected: |
| void binderDied(const wp<IBinder>& who) override; |
| |
| private: |
| void windowInfosReported(); |
| |
| struct WpHash { |
| size_t operator()(const wp<IBinder>& p) const { |
| return std::hash<IBinder*>()(p.unsafe_get()); |
| } |
| }; |
| |
| const sp<SurfaceFlinger> mSf; |
| std::mutex mListenersMutex; |
| std::unordered_map<wp<IBinder>, const sp<gui::IWindowInfosListener>, WpHash> |
| mWindowInfosListeners GUARDED_BY(mListenersMutex); |
| sp<gui::IWindowInfosReportedListener> mWindowInfosReportedListener; |
| std::atomic<size_t> mCallbacksPending{0}; |
| }; |
| } // namespace android |