electron/atom/browser/api/frame_subscriber.h

71 lines
2.1 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
#define ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
#include <memory>
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "components/viz/host/client_frame_sink_video_capturer.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "v8/include/v8.h"
namespace atom {
namespace api {
class WebContents;
class FrameSubscriber : public content::WebContentsObserver,
public viz::mojom::FrameSinkVideoConsumer {
public:
using FrameCaptureCallback =
base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
FrameSubscriber(v8::Isolate* isolate,
content::WebContents* web_contents,
const FrameCaptureCallback& callback,
bool only_dirty);
~FrameSubscriber() override;
private:
void AttachToHost(content::RenderWidgetHost* host);
void DetachFromHost();
void RenderViewCreated(content::RenderViewHost* host) override;
void RenderViewDeleted(content::RenderViewHost* host) override;
void RenderViewHostChanged(content::RenderViewHost* old_host,
content::RenderViewHost* new_host) override;
// viz::mojom::FrameSinkVideoConsumer implementation.
void OnFrameCaptured(
base::ReadOnlySharedMemoryRegion data,
::media::mojom::VideoFrameInfoPtr info,
const gfx::Rect& update_rect,
const gfx::Rect& content_rect,
viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) override;
void OnStopped() override;
void Done(const gfx::Rect& damage, const SkBitmap& frame);
v8::Isolate* isolate_;
FrameCaptureCallback callback_;
bool only_dirty_;
content::RenderWidgetHost* host_;
std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer_;
base::WeakPtrFactory<FrameSubscriber> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(FrameSubscriber);
};
} // namespace api
} // namespace atom
#endif // ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_