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Update FrameSubscriber implementation

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This commit is contained in:
Heilig Benedek 2018-05-14 17:55:39 +02:00 • committed by Samuel Attard
parent ca8843102a
commit b9413fe59d
4 changed files with 65 additions and 122 deletions
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48
atom/browser/api/frame_subscriber.h
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@ -5,58 +5,38 @@
#ifndef ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
#define ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
#include "content/public/browser/web_contents.h"
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/render_widget_host_view.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "services/viz/privileged/interfaces/compositing/frame_sink_video_capture.mojom.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "components/viz/common/frame_sinks/copy_output_result.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/gfx/image/image.h"
#include "v8/include/v8.h"
namespace atom {
namespace api {
class FrameSubscriber : public viz::mojom::FrameSinkVideoConsumer {
class WebContents;
class FrameSubscriber : public content::WebContentsObserver {
public:
using FrameCaptureCallback =
base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
base::Callback<void(const gfx::Image&, v8::Local<v8::Value>)>;
FrameSubscriber(v8::Isolate* isolate,
content::RenderWidgetHostView* view,
content::WebContents* web_contents,
const FrameCaptureCallback& callback);
~FrameSubscriber() override;
~FrameSubscriber();
private:
void OnFrameCaptured(
mojo::ScopedSharedBufferHandle buffer,
uint32_t buffer_size,
::media::mojom::VideoFrameInfoPtr info,
const gfx::Rect& update_rect,
const gfx::Rect& content_rect,
viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) override;
void OnTargetLost(const viz::FrameSinkId& frame_sink_id) override;
void OnStopped() override;
viz::mojom::FrameSinkVideoCapturerPtr CreateVideoCapturer();
gfx::Rect GetDamageRect();
void DidReceiveCompositorFrame() override;
void Done(const gfx::Rect& damage, const SkBitmap& frame);
v8::Isolate* isolate_;
content::RenderWidgetHostView* view_;
FrameCaptureCallback callback_;
SkBitmap frame_;
// This object keeps the shared memory that backs |frame_| mapped.
mojo::ScopedSharedBufferMapping shared_memory_mapping_;
// This object prevents FrameSinkVideoCapturer from recycling the shared
// memory that backs |frame_|.
viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr shared_memory_releaser_;
viz::mojom::FrameSinkVideoCapturerPtr video_capturer_;
mojo::Binding<viz::mojom::FrameSinkVideoConsumer> video_consumer_binding_;
base::WeakPtrFactory<FrameSubscriber> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FrameSubscriber);
};