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/*
* 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 LayerTreeHostMac_h
#define LayerTreeHostMac_h
#include "LayerTreeHost.h"
#include <WebCore/GraphicsLayerClient.h>
#include <WebCore/LayerFlushScheduler.h>
#include <WebCore/LayerFlushSchedulerClient.h>
#include <wtf/HashMap.h>
namespace WebKit {
class LayerHostingContext;
class PageOverlay;
class LayerTreeHostMac : public LayerTreeHost, private WebCore::GraphicsLayerClient, private WebCore::LayerFlushSchedulerClient {
public:
static PassRefPtr<LayerTreeHostMac> create(WebPage*);
virtual ~LayerTreeHostMac();
private:
explicit LayerTreeHostMac(WebPage*);
// LayerTreeHost.
virtual const LayerTreeContext& layerTreeContext() OVERRIDE;
virtual void scheduleLayerFlush() OVERRIDE;
virtual void setLayerFlushSchedulingEnabled(bool) OVERRIDE;
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool) OVERRIDE;
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) OVERRIDE;
virtual void invalidate() OVERRIDE;
virtual void setNonCompositedContentsNeedDisplay() OVERRIDE;
virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) OVERRIDE;
virtual void scrollNonCompositedContents(const WebCore::IntRect& scrollRect) OVERRIDE;
virtual void forceRepaint() OVERRIDE;
virtual void sizeDidChange(const WebCore::IntSize& newSize) OVERRIDE;
virtual void deviceOrPageScaleFactorChanged() OVERRIDE;
virtual void pageBackgroundTransparencyChanged() OVERRIDE;
virtual void didInstallPageOverlay(PageOverlay*) OVERRIDE;
virtual void didUninstallPageOverlay(PageOverlay*) OVERRIDE;
virtual void setPageOverlayNeedsDisplay(PageOverlay*, const WebCore::IntRect&) OVERRIDE;
virtual void pauseRendering() OVERRIDE;
virtual void resumeRendering() OVERRIDE;
virtual void setLayerHostingMode(LayerHostingMode) OVERRIDE;
// GraphicsLayerClient
virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double time) OVERRIDE;
virtual void notifyFlushRequired(const WebCore::GraphicsLayer*) OVERRIDE;
virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect) OVERRIDE;
virtual float deviceScaleFactor() const OVERRIDE;
virtual void didCommitChangesForLayer(const WebCore::GraphicsLayer*) const OVERRIDE { }
// LayerFlushSchedulerClient
virtual bool flushLayers();
void initialize();
void performScheduledLayerFlush();
bool flushPendingLayerChanges();
void createPageOverlayLayer(PageOverlay*);
void destroyPageOverlayLayer(PageOverlay*);
bool m_isValid;
bool m_notifyAfterScheduledLayerFlush;
LayerTreeContext m_layerTreeContext;
OwnPtr<WebCore::GraphicsLayer> m_rootLayer;
OwnPtr<WebCore::GraphicsLayer> m_nonCompositedContentLayer;
typedef HashMap<PageOverlay*, OwnPtr<WebCore::GraphicsLayer>> PageOverlayLayerMap;
PageOverlayLayerMap m_pageOverlayLayers;
OwnPtr<LayerHostingContext> m_layerHostingContext;
WebCore::LayerFlushScheduler m_layerFlushScheduler;
};
} // namespace WebKit
#endif // LayerTreeHostMac_h