Source/WebKit2/Shared/WebGraphicsContext.h

/*
 * Copyright (C) 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebGraphicsContext_h
#define WebGraphicsContext_h

#include "APIObject.h"
#include <WebCore/GraphicsContext.h>
#include <wtf/PassRefPtr.h>

#if USE(CG)
#include <wtf/RetainPtr.h>
#elif PLATFORM(GTK)
#include "RefPtrCairo.h"
#endif

namespace WebKit {

class WebGraphicsContext : public APIObject {
public:
    static const Type APIType = TypeGraphicsContext;

    static PassRefPtr<WebGraphicsContext> create(WebCore::GraphicsContext* graphicsContext)
    {
        return adoptRef(new WebGraphicsContext(graphicsContext));
    }

#if USE(CG)
    CGContextRef platformContext() { return m_platformContext.get(); }
#elif PLATFORM(GTK)
    cairo_t* platformContext() { return m_platformContext.get(); }
#endif


private:
    explicit WebGraphicsContext(WebCore::GraphicsContext*);

    virtual Type type() const { return APIType; }

#if USE(CG)
    RetainPtr<CGContextRef> m_platformContext;
#elif PLATFORM(GTK)
    RefPtr<cairo_t> m_platformContext;
#endif
};

} // namespace WebKit

#endif // WebGraphicsContext_h