82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// Copyright (c) 2015 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_API_FRAME_SUBSCRIBER_H_
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#define ELECTRON_SHELL_BROWSER_API_FRAME_SUBSCRIBER_H_
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#include <memory>
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#include <string>
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#include "base/callback.h"
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#include "base/memory/weak_ptr.h"
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#include "components/viz/host/client_frame_sink_video_capturer.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_contents_observer.h"
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#include "mojo/public/cpp/bindings/pending_remote.h"
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#include "v8/include/v8.h"
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namespace gfx {
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class Image;
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class Rect;
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} // namespace gfx
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namespace electron {
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namespace api {
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class WebContents;
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class FrameSubscriber : public content::WebContentsObserver,
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public viz::mojom::FrameSinkVideoConsumer {
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public:
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using FrameCaptureCallback =
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base::RepeatingCallback<void(const gfx::Image&, const gfx::Rect&)>;
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FrameSubscriber(content::WebContents* web_contents,
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const FrameCaptureCallback& callback,
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bool only_dirty);
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~FrameSubscriber() override;
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// disable copy
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FrameSubscriber(const FrameSubscriber&) = delete;
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FrameSubscriber& operator=(const FrameSubscriber&) = delete;
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private:
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void AttachToHost(content::RenderWidgetHost* host);
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void DetachFromHost();
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void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
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void RenderViewDeleted(content::RenderViewHost* host) override;
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void RenderViewHostChanged(content::RenderViewHost* old_host,
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content::RenderViewHost* new_host) override;
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// viz::mojom::FrameSinkVideoConsumer implementation.
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void OnFrameCaptured(
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base::ReadOnlySharedMemoryRegion data,
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::media::mojom::VideoFrameInfoPtr info,
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const gfx::Rect& content_rect,
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mojo::PendingRemote<viz::mojom::FrameSinkVideoConsumerFrameCallbacks>
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callbacks) override;
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void OnStopped() override;
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void OnLog(const std::string& message) override;
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void Done(const gfx::Rect& damage, const SkBitmap& frame);
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// Get the pixel size of render view.
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gfx::Size GetRenderViewSize() const;
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FrameCaptureCallback callback_;
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bool only_dirty_;
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content::RenderWidgetHost* host_;
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std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer_;
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base::WeakPtrFactory<FrameSubscriber> weak_ptr_factory_{this};
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};
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} // namespace api
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} // namespace electron
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#endif // ELECTRON_SHELL_BROWSER_API_FRAME_SUBSCRIBER_H_
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