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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 "WebScrollbar.h"
     33 #include "WebScrollbarThemePainter.h"
     34 
     35 namespace blink {
     36 
     37 class WebAnimationCurve;
     38 class WebCompositorOutputSurface;
     39 class WebContentLayer;
     40 class WebContentLayerClient;
     41 class WebExternalTextureLayer;
     42 class WebExternalTextureLayerClient;
     43 class WebFilterAnimationCurve;
     44 class WebFilterOperations;
     45 class WebFloatAnimationCurve;
     46 class WebGraphicsContext3D;
     47 class WebImageLayer;
     48 class WebNinePatchLayer;
     49 class WebLayer;
     50 class WebScrollbarLayer;
     51 class WebScrollbarThemeGeometry;
     52 class WebSolidColorLayer;
     53 class WebThread;
     54 class WebTransformAnimationCurve;
     55 class WebTransformOperations;
     56 
     57 class WebCompositorSupport {
     58 public:
     59     // Creates an output surface for the compositor backed by a 3d context.
     60     virtual WebCompositorOutputSurface* createOutputSurfaceFor3D(blink::WebGraphicsContext3D*) { return 0; }
     61 
     62     // Creates an output surface for the compositor backed by a software device.
     63     virtual WebCompositorOutputSurface* createOutputSurfaceForSoftware() { return 0; }
     64 
     65     // Layers -------------------------------------------------------
     66 
     67     virtual WebLayer* createLayer() { return 0; }
     68 
     69     virtual WebContentLayer* createContentLayer(WebContentLayerClient*) { return 0; }
     70 
     71     virtual WebExternalTextureLayer* createExternalTextureLayer(WebExternalTextureLayerClient*) { return 0; }
     72 
     73     virtual WebImageLayer* createImageLayer() { return 0; }
     74 
     75     virtual WebNinePatchLayer* createNinePatchLayer() { return 0; }
     76 
     77     // TODO(dshwang): This isn't used anymore.
     78     virtual WebSolidColorLayer* createSolidColorLayer() { return 0; }
     79 
     80     // The ownership of the WebScrollbarThemeGeometry pointer is passed to Chromium.
     81     virtual WebScrollbarLayer* createScrollbarLayer(WebScrollbar*, WebScrollbarThemePainter, WebScrollbarThemeGeometry*) { return 0; }
     82 
     83     virtual WebScrollbarLayer* createSolidColorScrollbarLayer(WebScrollbar::Orientation, int thumbThickness, int trackStart, bool isLeftSideVerticalScrollbar) { return 0; }
     84 
     85     // Animation ----------------------------------------------------
     86 
     87     virtual WebAnimation* createAnimation(const WebAnimationCurve&, WebAnimation::TargetProperty, int animationId = 0) { return 0; }
     88 
     89     virtual WebFilterAnimationCurve* createFilterAnimationCurve() { return 0; }
     90 
     91     virtual WebFloatAnimationCurve* createFloatAnimationCurve() { return 0; }
     92 
     93     virtual WebTransformAnimationCurve* createTransformAnimationCurve() { return 0; }
     94 
     95     virtual WebTransformOperations* createTransformOperations() { return 0; }
     96 
     97     virtual WebFilterOperations* createFilterOperations() { return 0; }
     98 
     99 protected:
    100     virtual ~WebCompositorSupport() { }
    101 };
    102 
    103 }
    104 
    105 #endif // WebCompositorSupport_h
    106