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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 LayerBackedDrawingArea_h
#define LayerBackedDrawingArea_h
#if USE(ACCELERATED_COMPOSITING)
#include "DrawingArea.h"
#include "RunLoop.h"
#include <WebCore/IntPoint.h>
#include <WebCore/GraphicsLayerClient.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
OBJC_CLASS NSPopUpButtonCell;
OBJC_CLASS WKView;
typedef struct __WKCARemoteLayerClientRef *WKCARemoteLayerClientRef;
#endif
namespace WebCore {
class GraphicsContext;
class GraphicsLayer;
}
namespace WebKit {
class LayerBackedDrawingArea : public DrawingArea, private WebCore::GraphicsLayerClient {
public:
LayerBackedDrawingArea(DrawingAreaInfo::Identifier identifier, WebPage*);
virtual ~LayerBackedDrawingArea();
virtual void setNeedsDisplay(const WebCore::IntRect&);
virtual void scroll(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset);
virtual void display();
virtual void pageBackgroundTransparencyChanged();
virtual void attachCompositingContext();
virtual void detachCompositingContext();
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*);
virtual void scheduleCompositingLayerSync();
virtual void syncCompositingLayers();
virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
private:
// GraphicsLayerClient
virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double /*time*/) { }
virtual void notifySyncRequired(const WebCore::GraphicsLayer*) { }
public:
virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& inClip);
private:
virtual bool showDebugBorders() const;
virtual bool showRepaintCounter() const;
#if PLATFORM(MAC)
virtual void onPageClose();
#endif
void scheduleDisplay();
// CoreIPC message handlers.
void setSize(const WebCore::IntSize& viewSize);
void suspendPainting();
void resumePainting();
void didUpdate();
void platformInit();
void platformClear();
#if PLATFORM(MAC)
void setUpUpdateLayoutRunLoopObserver();
void scheduleUpdateLayoutRunLoopObserver();
void removeUpdateLayoutRunLoopObserver();
static void updateLayoutRunLoopObserverCallback(CFRunLoopObserverRef, CFRunLoopActivity, void*);
void updateLayoutRunLoopObserverFired();
#endif
RunLoop::Timer<LayerBackedDrawingArea> m_syncTimer;
OwnPtr<WebCore::GraphicsLayer> m_hostingLayer;
OwnPtr<WebCore::GraphicsLayer> m_backingLayer;
#if PLATFORM(MAC)
#if HAVE(HOSTED_CORE_ANIMATION)
RetainPtr<WKCARemoteLayerClientRef> m_remoteLayerRef;
#endif
RetainPtr<CFRunLoopObserverRef> m_updateLayoutRunLoopObserver;
#endif
bool m_attached;
bool m_shouldPaint;
};
} // namespace WebKit
#endif // USE(ACCELERATED_COMPOSITING)
#endif // LayerBackedDrawingArea_h
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