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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebLayer_h
     27 #define WebLayer_h
     28 
     29 #if USE(ACCELERATED_COMPOSITING)
     30 
     31 #include "WKCACFLayer.h"
     32 
     33 namespace WebCore {
     34 
     35 class GraphicsLayer;
     36 
     37 class WebLayer : public WKCACFLayer {
     38 public:
     39     static PassRefPtr<WKCACFLayer> create(LayerType layerType, GraphicsLayer* owner)
     40     {
     41         return adoptRef(new WebLayer(layerType, owner));
     42     }
     43 
     44     virtual void drawInContext(PlatformGraphicsContext*);
     45 
     46 protected:
     47     WebLayer(LayerType layerType, GraphicsLayer* owner)
     48      : WKCACFLayer(layerType)
     49      , m_owner(owner)
     50     {
     51     }
     52 
     53     virtual void internalSetNeedsDisplay(const CGRect* dirtyRect);
     54 
     55     GraphicsLayer* m_owner;
     56 };
     57 
     58 }
     59 
     60 #endif // USE(ACCELERATED_COMPOSITING)
     61 
     62 #endif // WebLayer_h
     63