78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
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// 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 ATOM_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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#define ATOM_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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#include <memory>
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#include "base/callback.h"
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#include "base/memory/shared_memory.h"
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#include "components/viz/host/host_display_client.h"
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#include "services/viz/privileged/interfaces/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 atom {
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typedef base::Callback<void(const gfx::Rect&, const SkBitmap&)> OnPaintCallback;
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class LayeredWindowUpdater : public viz::mojom::LayeredWindowUpdater {
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public:
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explicit LayeredWindowUpdater(viz::mojom::LayeredWindowUpdaterRequest request,
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OnPaintCallback callback);
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~LayeredWindowUpdater() override;
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void SetActive(bool active);
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// viz::mojom::LayeredWindowUpdater implementation.
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void OnAllocatedSharedMemory(
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const gfx::Size& pixel_size,
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mojo::ScopedSharedBufferHandle scoped_buffer_handle) 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::Binding<viz::mojom::LayeredWindowUpdater> binding_;
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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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DISALLOW_COPY_AND_ASSIGN(LayeredWindowUpdater);
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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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void SetActive(bool active);
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private:
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void IsOffscreen(IsOffscreenCallback callback) override;
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#if defined(OS_MACOSX)
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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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viz::mojom::LayeredWindowUpdaterRequest request) override;
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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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DISALLOW_COPY_AND_ASSIGN(OffScreenHostDisplayClient);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_OSR_OSR_HOST_DISPLAY_CLIENT_H_
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