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// Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_
#define CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_
#pragma once
#include "base/basictypes.h"
#include "ui/compositor/compositor.h"
#include "ui/surface/transport_dib.h"
namespace gfx {
class Size;
}
class ImageTransportFactory;
// This is a client for ImageTransportSurface, that handles the
// platform-specific task of binding the transport surface to a GL texture.
// The GL texture is allocated in the ImageTransportFactory context, and the
// data is only valid after the first Update().
class ImageTransportClient : public ui::Texture {
public:
virtual ~ImageTransportClient() {}
// Initializes the client with the surface id.
virtual bool Initialize(uint64* surface_handle) = 0;
// Updates the surface data into the texture.
virtual void Update() = 0;
// Returns the shared memory handle used to transfer software data if needed.
// Can be a NULL handle.
virtual TransportDIB::Handle Handle() const = 0;
// Creates a platform-specific client.
static ImageTransportClient* Create(ImageTransportFactory* factory,
const gfx::Size& size);
protected:
ImageTransportClient(bool flipped, const gfx::Size& size);
private:
DISALLOW_COPY_AND_ASSIGN(ImageTransportClient);
};
#endif // CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_
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