electron/atom/browser/api/frame_subscriber.h
Heilig Benedek 6fb6b93003 speedup base
2016-07-05 21:33:22 +02:00

72 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 "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/render_widget_host_view_frame_subscriber.h"
#include "content/public/browser/readback_types.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/geometry/size.h"
#include "v8/include/v8.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "cc/surfaces/surface_id.h"
#include "cc/output/copy_output_result.h"
namespace atom {
namespace api {
class FrameSubscriberRenderWidgetHostView
: public content::RenderWidgetHostViewBase {
public:
FrameSubscriberRenderWidgetHostView();
~FrameSubscriberRenderWidgetHostView();
cc::SurfaceId SurfaceId();
};
class FrameSubscriber : public content::RenderWidgetHostViewFrameSubscriber {
public:
using FrameCaptureCallback =
base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
FrameSubscriber(v8::Isolate* isolate,
content::RenderWidgetHostView* view,
const FrameCaptureCallback& callback,
bool only_dirty);
bool ShouldCaptureFrame(const gfx::Rect& damage_rect,
base::TimeTicks present_time,
scoped_refptr<media::VideoFrame>* storage,
DeliverFrameCallback* callback) override;
private:
void ReadbackResultAsBitmap(
std::unique_ptr<cc::CopyOutputResult> result);
void OnFrameDelivered(const FrameCaptureCallback& callback,
const gfx::Rect& damage_rect, const SkBitmap& bitmap,
content::ReadbackResponse response);
v8::Isolate* isolate_;
content::RenderWidgetHostView* view_;
FrameCaptureCallback callback_;
bool only_dirty_;
base::WeakPtrFactory<FrameSubscriber> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FrameSubscriber);
};
} // namespace api
} // namespace atom
#endif // ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_