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66 lines
1.8 KiB
66 lines
1.8 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdint.h>
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#include <future>
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#include <memory>
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#include <mutex>
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#include <optional>
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#include <thread>
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#include <unordered_map>
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namespace wayland {
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class Surface;
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class Surfaces {
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public:
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Surfaces() = default;
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virtual ~Surfaces() = default;
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Surfaces(const Surfaces& rhs) = delete;
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Surfaces& operator=(const Surfaces& rhs) = delete;
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Surfaces(Surfaces&& rhs) = delete;
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Surfaces& operator=(Surfaces&& rhs) = delete;
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Surface* GetOrCreateSurface(std::uint32_t id);
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using FrameCallback = std::function<void(std::uint32_t /*display_number*/,
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std::uint8_t* /*frame_pixels*/)>;
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// Blocking
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void OnNextFrame(const FrameCallback& callback);
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private:
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friend class Surface;
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void HandleSurfaceFrame(std::uint32_t display_number,
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std::uint8_t* frame_bytes);
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std::mutex surfaces_mutex_;
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std::unordered_map<std::uint32_t, std::unique_ptr<Surface>> surfaces_;
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using FrameCallbackPackaged = std::packaged_task<void(
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std::uint32_t /*display_number*/, std::uint8_t* /*frame_bytes*/)>;
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std::mutex callback_mutex_;
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std::optional<FrameCallbackPackaged*> callback_;
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};
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} // namespace wayland
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