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      1 /*
      2  * Copyright (C) 2012 Google 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebCompositorSupport_h
     27 #define WebCompositorSupport_h
     28 
     29 #include "WebAnimation.h"
     30 #include "WebCommon.h"
     31 #include "WebLayerTreeView.h"
     32 #include "WebScrollbarThemePainter.h"
     33 
     34 namespace WebKit {
     35 
     36 class WebAnimationCurve;
     37 class WebCompositorOutputSurface;
     38 class WebContentLayer;
     39 class WebContentLayerClient;
     40 class WebExternalTextureLayer;
     41 class WebExternalTextureLayerClient;
     42 class WebFilterOperations;
     43 class WebFloatAnimationCurve;
     44 class WebGraphicsContext3D;
     45 class WebImageLayer;
     46 class WebLayer;
     47 class WebScrollbar;
     48 class WebScrollbarLayer;
     49 class WebScrollbarThemeGeometry;
     50 class WebSolidColorLayer;
     51 class WebThread;
     52 class WebTransformAnimationCurve;
     53 class WebTransformOperations;
     54 
     55 class WebCompositorSupport {
     56 public:
     57     // Creates an output surface for the compositor backed by a 3d context.
     58     virtual WebCompositorOutputSurface* createOutputSurfaceFor3D(WebKit::WebGraphicsContext3D*) { return 0; }
     59 
     60     // Creates an output surface for the compositor backed by a software device.
     61     virtual WebCompositorOutputSurface* createOutputSurfaceForSoftware() { return 0; }
     62 
     63     // Layers -------------------------------------------------------
     64 
     65     virtual WebLayer* createLayer() { return 0; }
     66 
     67     virtual WebContentLayer* createContentLayer(WebContentLayerClient*) { return 0; }
     68 
     69     virtual WebExternalTextureLayer* createExternalTextureLayer(WebExternalTextureLayerClient*) { return 0; }
     70 
     71     virtual WebImageLayer* createImageLayer() { return 0; }
     72 
     73     virtual WebSolidColorLayer* createSolidColorLayer() { return 0; }
     74 
     75     virtual WebScrollbarLayer* createScrollbarLayer(WebScrollbar*, WebScrollbarThemePainter, WebScrollbarThemeGeometry*) { return 0; }
     76 
     77 
     78     // Animation ----------------------------------------------------
     79 
     80     virtual WebAnimation* createAnimation(const WebAnimationCurve&, WebAnimation::TargetProperty, int animationId = 0) { return 0; }
     81 
     82     virtual WebFloatAnimationCurve* createFloatAnimationCurve() { return 0; }
     83 
     84     virtual WebTransformAnimationCurve* createTransformAnimationCurve() { return 0; }
     85 
     86     virtual WebTransformOperations* createTransformOperations() { return 0; }
     87 
     88     virtual WebFilterOperations* createFilterOperations() { return 0; }
     89 
     90 protected:
     91     virtual ~WebCompositorSupport() { }
     92 };
     93 
     94 }
     95 
     96 #endif // WebCompositorSupport_h
     97