AI 145796: Land the WebKit merge @r42026.

Automated import of CL 145796

1 files changed, 138 insertions, 0 deletions

diff --git a/WebCore/platform/graphics/mac/GraphicsLayerCA.h b/WebCore/platform/graphics/mac/GraphicsLayerCA.h
new file mode 100644
index 0000000..3a692d3
--- /dev/null
+++ b/WebCore/platform/graphics/mac/GraphicsLayerCA.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2009 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. ``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 COMPUTER, INC. OR
+ * 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 GraphicsLayerCA_h
+#define GraphicsLayerCA_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "GraphicsLayer.h"
+#include <wtf/RetainPtr.h>
+
+@class WebAnimationDelegate;
+@class WebLayer;
+
+namespace WebCore {
+
+class GraphicsLayerCA : public GraphicsLayer {
+public:
+
+    GraphicsLayerCA(GraphicsLayerClient*);
+    virtual ~GraphicsLayerCA();
+
+    virtual void setName(const String&);
+
+    // for hosting this GraphicsLayer in a native layer hierarchy
+    virtual NativeLayer nativeLayer() const;
+
+    virtual void addChild(GraphicsLayer*);
+    virtual void addChildAtIndex(GraphicsLayer*, int index);
+    virtual void addChildAbove(GraphicsLayer* layer, GraphicsLayer* sibling);
+    virtual void addChildBelow(GraphicsLayer* layer, GraphicsLayer* sibling);
+    virtual bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild);
+
+    virtual void removeFromParent();
+
+    virtual void setPosition(const FloatPoint&);
+    virtual void setAnchorPoint(const FloatPoint3D&);
+    virtual void setSize(const FloatSize&);
+
+    virtual void setTransform(const TransformationMatrix&);
+
+    virtual void setChildrenTransform(const TransformationMatrix&);
+
+    virtual void setPreserves3D(bool);
+    virtual void setMasksToBounds(bool);
+    virtual void setDrawsContent(bool);
+
+    virtual void setBackgroundColor(const Color&, const Animation* anim = 0, double beginTime = 0);
+    virtual void clearBackgroundColor();
+
+    virtual void setContentsOpaque(bool);
+    virtual void setBackfaceVisibility(bool);
+
+    // return true if we started an animation
+    virtual bool setOpacity(float, const Animation* anim = 0, double beginTime = 0);
+
+    virtual void setNeedsDisplay();
+    virtual void setNeedsDisplayInRect(const FloatRect&);
+
+    virtual void suspendAnimations();
+    virtual void resumeAnimations();
+
+    virtual bool animateTransform(const TransformValueList&, const IntSize&, const Animation*, double beginTime, bool isTransition);
+    virtual bool animateFloat(AnimatedPropertyID, const FloatValueList&, const Animation*, double beginTime);
+
+    virtual void setContentsToImage(Image*);
+    virtual void setContentsToVideo(PlatformLayer*);
+    virtual void clearContents();
+    
+    virtual void updateContentsRect();
+
+    virtual PlatformLayer* platformLayer() const;
+
+#ifndef NDEBUG
+    virtual void setDebugBackgroundColor(const Color&);
+    virtual void setDebugBorder(const Color&, float borderWidth);
+    virtual void setZPosition(float);
+#endif
+
+private:
+    WebLayer* primaryLayer() const  { return m_transformLayer.get() ? m_transformLayer.get() : m_layer.get(); }
+    WebLayer* hostLayerForSublayers() const;
+    WebLayer* layerForSuperlayer() const;
+
+    WebLayer* animatedLayer(AnimatedPropertyID property) const
+    {
+        return (property == AnimatedPropertyBackgroundColor) ? m_contentsLayer.get() : primaryLayer();
+    }
+
+    void setBasicAnimation(AnimatedPropertyID, TransformOperation::OperationType, short index, void* fromVal, void* toVal, bool isTransition, const Animation*, double time);
+    void setKeyframeAnimation(AnimatedPropertyID, TransformOperation::OperationType, short index, void* keys, void* values, void* timingFunctions, bool isTransition, const Animation*, double time);
+
+    virtual void removeAnimation(int index, bool reset);
+
+    bool requiresTiledLayer(const FloatSize&) const;
+    void swapFromOrToTiledLayer(bool useTiledLayer);
+
+    void setHasContentsLayer(bool);
+    void setContentsLayer(WebLayer*);
+    void setContentsLayerFlipped(bool);
+    
+    RetainPtr<WebLayer> m_layer;
+    RetainPtr<WebLayer> m_transformLayer;
+    RetainPtr<WebLayer> m_contentsLayer;
+
+    RetainPtr<WebAnimationDelegate> m_animationDelegate;
+
+    bool m_contentLayerForImageOrVideo;
+};
+
+} // namespace WebCore
+
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif // GraphicsLayerCA_h