зеркало из https://github.com/electron/electron.git
87 строки
2.7 KiB
C++
87 строки
2.7 KiB
C++
// Copyright (c) 2019 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ELECTRON_SHELL_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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#define ELECTRON_SHELL_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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#include <memory>
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#include "base/functional/callback.h"
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#include "base/memory/shared_memory_mapping.h"
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#include "components/viz/host/host_display_client.h"
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#include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "ui/gfx/native_widget_types.h"
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namespace electron {
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typedef base::RepeatingCallback<void(const gfx::Rect&, const SkBitmap&)>
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OnPaintCallback;
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class LayeredWindowUpdater : public viz::mojom::LayeredWindowUpdater {
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public:
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explicit LayeredWindowUpdater(
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mojo::PendingReceiver<viz::mojom::LayeredWindowUpdater> receiver,
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OnPaintCallback callback);
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~LayeredWindowUpdater() override;
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// disable copy
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LayeredWindowUpdater(const LayeredWindowUpdater&) = delete;
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LayeredWindowUpdater& operator=(const LayeredWindowUpdater&) = delete;
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void SetActive(bool active);
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// viz::mojom::LayeredWindowUpdater implementation.
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void OnAllocatedSharedMemory(const gfx::Size& pixel_size,
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base::UnsafeSharedMemoryRegion region) override;
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void Draw(const gfx::Rect& damage_rect, DrawCallback draw_callback) override;
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private:
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OnPaintCallback callback_;
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mojo::Receiver<viz::mojom::LayeredWindowUpdater> receiver_;
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std::unique_ptr<SkCanvas> canvas_;
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bool active_ = false;
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#if !defined(WIN32)
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base::WritableSharedMemoryMapping shm_mapping_;
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#endif
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};
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class OffScreenHostDisplayClient : public viz::HostDisplayClient {
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public:
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explicit OffScreenHostDisplayClient(gfx::AcceleratedWidget widget,
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OnPaintCallback callback);
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~OffScreenHostDisplayClient() override;
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// disable copy
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OffScreenHostDisplayClient(const OffScreenHostDisplayClient&) = delete;
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OffScreenHostDisplayClient& operator=(const OffScreenHostDisplayClient&) =
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delete;
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void SetActive(bool active);
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private:
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#if BUILDFLAG(IS_MAC)
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void OnDisplayReceivedCALayerParams(
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const gfx::CALayerParams& ca_layer_params) override;
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#endif
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void CreateLayeredWindowUpdater(
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mojo::PendingReceiver<viz::mojom::LayeredWindowUpdater> receiver)
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override;
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#if BUILDFLAG(IS_LINUX) && !BUILDFLAG(IS_CHROMEOS)
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void DidCompleteSwapWithNewSize(const gfx::Size& size) override;
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#endif
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std::unique_ptr<LayeredWindowUpdater> layered_window_updater_;
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OnPaintCallback callback_;
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bool active_ = false;
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};
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} // namespace electron
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#endif // ELECTRON_SHELL_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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