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/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
* Copyright (C) 2012 Igalia S.L.
*
* 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 LayerTreeHostGtk_h
#define LayerTreeHostGtk_h
#if USE(TEXTURE_MAPPER_GL)
#include "LayerTreeContext.h"
#include "LayerTreeHost.h"
#include "TextureMapperLayer.h"
#include <WebCore/GLContext.h>
#include <WebCore/GraphicsLayerClient.h>
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
namespace WebKit {
class LayerTreeHostGtk : public LayerTreeHost, WebCore::GraphicsLayerClient {
public:
static PassRefPtr<LayerTreeHostGtk> create(WebPage*);
virtual ~LayerTreeHostGtk();
protected:
explicit LayerTreeHostGtk(WebPage*);
WebCore::GraphicsLayer* rootLayer() const { return m_rootLayer.get(); }
void initialize();
// LayerTreeHost.
virtual void invalidate();
virtual void sizeDidChange(const WebCore::IntSize& newSize);
virtual void deviceOrPageScaleFactorChanged();
virtual void forceRepaint();
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*);
virtual void scheduleLayerFlush();
virtual void setLayerFlushSchedulingEnabled(bool layerFlushingEnabled);
virtual void pageBackgroundTransparencyChanged() OVERRIDE;
private:
// LayerTreeHost.
virtual const LayerTreeContext& layerTreeContext();
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool);
virtual void setNonCompositedContentsNeedDisplay() OVERRIDE;
virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) OVERRIDE;
virtual void scrollNonCompositedContents(const WebCore::IntRect& scrollRect);
virtual void didInstallPageOverlay(PageOverlay*) OVERRIDE;
virtual void didUninstallPageOverlay(PageOverlay*) OVERRIDE;
virtual void setPageOverlayNeedsDisplay(PageOverlay*, const WebCore::IntRect&) OVERRIDE;
virtual bool flushPendingLayerChanges();
// GraphicsLayerClient
virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double time);
virtual void notifyFlushRequired(const WebCore::GraphicsLayer*);
virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect);
virtual void didCommitChangesForLayer(const WebCore::GraphicsLayer*) const { }
void createPageOverlayLayer(PageOverlay*);
void destroyPageOverlayLayer(PageOverlay*);
enum CompositePurpose { ForResize, NotForResize };
void compositeLayersToContext(CompositePurpose = NotForResize);
void flushAndRenderLayers();
void cancelPendingLayerFlush();
void layerFlushTimerFired();
static gboolean layerFlushTimerFiredCallback(LayerTreeHostGtk*);
WebCore::GLContext* glContext();
LayerTreeContext m_layerTreeContext;
bool m_isValid;
bool m_notifyAfterScheduledLayerFlush;
OwnPtr<WebCore::GraphicsLayer> m_rootLayer;
OwnPtr<WebCore::GraphicsLayer> m_nonCompositedContentLayer;
typedef HashMap<PageOverlay*, OwnPtr<WebCore::GraphicsLayer> > PageOverlayLayerMap;
PageOverlayLayerMap m_pageOverlayLayers;
OwnPtr<WebCore::TextureMapper> m_textureMapper;
OwnPtr<WebCore::GLContext> m_context;
double m_lastFlushTime;
bool m_layerFlushSchedulingEnabled;
unsigned m_layerFlushTimerCallbackId;
};
} // namespace WebKit
#endif
#endif // LayerTreeHostGtk_h
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