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/*
* Copyright (C) 2010 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 DrawingArea_h
#define DrawingArea_h
#include "DrawingAreaInfo.h"
#include <WebCore/IntRect.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
#if USE(ACCELERATED_COMPOSITING)
class GraphicsLayer;
#endif
}
namespace WebKit {
class WebPage;
class WebPageCreationParameters;
class DrawingArea : public RefCounted<DrawingArea> {
public:
// FIXME: It might make sense to move this create function into a factory style class.
static PassRefPtr<DrawingArea> create(WebPage*, const WebPageCreationParameters&);
virtual ~DrawingArea();
#ifdef __APPLE__
void didReceiveDrawingAreaMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
#endif
virtual void setNeedsDisplay(const WebCore::IntRect&) = 0;
virtual void scroll(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset) = 0;
virtual void pageBackgroundTransparencyChanged() { }
virtual void onPageClose() { }
#if USE(ACCELERATED_COMPOSITING)
virtual void attachCompositingContext() = 0;
virtual void detachCompositingContext() = 0;
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) = 0;
virtual void scheduleCompositingLayerSync() = 0;
virtual void syncCompositingLayers() = 0;
#endif
virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*) = 0;
const DrawingAreaInfo& info() const { return m_info; }
protected:
DrawingArea(DrawingAreaInfo::Type, DrawingAreaInfo::Identifier, WebPage*);
DrawingAreaInfo m_info;
WebPage* m_webPage;
private:
// CoreIPC message handlers.
// FIXME: These should be pure virtual.
virtual void setSize(const WebCore::IntSize&) { }
virtual void didUpdate() { }
virtual void suspendPainting() { }
virtual void resumePainting() { }
};
} // namespace WebKit
#endif // DrawingArea_h
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