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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_IOS_BRIDGE_FRAME_CONSUMER_BRIDGE_H_
#define REMOTING_IOS_BRIDGE_FRAME_CONSUMER_BRIDGE_H_
#include <list>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_vector.h"
#include "base/memory/weak_ptr.h"
#include "remoting/client/frame_consumer.h"
#include "remoting/client/frame_producer.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
namespace remoting {
class FrameConsumerBridge : public base::SupportsWeakPtr<FrameConsumerBridge>,
public FrameConsumer {
public:
typedef base::Callback<void(const webrtc::DesktopSize& view_size,
webrtc::DesktopFrame* buffer,
const webrtc::DesktopRegion& region)>
OnFrameCallback;
// A callback is provided to return frame updates asynchronously.
explicit FrameConsumerBridge(OnFrameCallback callback);
virtual ~FrameConsumerBridge();
// This must be called before any other functional use.
void Initialize(FrameProducer* producer);
// FrameConsumer implementation.
virtual void ApplyBuffer(const webrtc::DesktopSize& view_size,
const webrtc::DesktopRect& clip_area,
webrtc::DesktopFrame* buffer,
const webrtc::DesktopRegion& region,
const webrtc::DesktopRegion& shape) OVERRIDE;
virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) OVERRIDE;
virtual void SetSourceSize(const webrtc::DesktopSize& source_size,
const webrtc::DesktopVector& dpi) OVERRIDE;
virtual PixelFormat GetPixelFormat() OVERRIDE;
private:
// Allocates a new buffer of |view_size_|, and tells the producer to draw onto
// it. This can be called as soon as the producer is known, but is not
// required until ready to receive frames.
void DrawWithNewBuffer();
OnFrameCallback callback_;
FrameProducer* frame_producer_;
webrtc::DesktopSize view_size_;
// List of allocated image buffers.
ScopedVector<webrtc::DesktopFrame> buffers_;
DISALLOW_COPY_AND_ASSIGN(FrameConsumerBridge);
};
} // namespace remoting
#endif // REMOTING_IOS_BRIDGE_FRAME_CONSUMER_BRIDGE_H_
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