electron/atom/browser/api/frame_subscriber.h
2016-02-12 02:18:13 +01:00

62 lines
1.6 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 "content/public/browser/render_widget_host_view_frame_subscriber.h"
#include "ui/gfx/geometry/size.h"
#include "v8/include/v8.h"
namespace atom {
namespace api {
class FrameSubscriber {
public:
using FrameCaptureCallback = base::Callback<void(v8::Local<v8::Value>)>;
// Inner class that is the actual subscriber sent to chromium
class Subscriber :
public content::RenderWidgetHostViewFrameSubscriber {
public:
explicit Subscriber(FrameSubscriber* frame_subscriber);
bool ShouldCaptureFrame(const gfx::Rect& damage_rect,
base::TimeTicks present_time,
scoped_refptr<media::VideoFrame>* storage,
DeliverFrameCallback* callback) override;
~Subscriber();
private:
FrameSubscriber* frame_subscriber_;
};
FrameSubscriber(v8::Isolate* isolate,
const gfx::Size& size,
const FrameCaptureCallback& callback);
Subscriber* GetSubscriber();
private:
void OnFrameDelivered(
scoped_refptr<media::VideoFrame> frame, base::TimeTicks, bool);
bool RequestDestruct();
v8::Isolate* isolate_;
gfx::Size size_;
FrameCaptureCallback callback_;
Subscriber* subscriber_;
int pending_frames;
DISALLOW_COPY_AND_ASSIGN(FrameSubscriber);
};
} // namespace api
} // namespace atom
#endif // ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_