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/*
* Copyright (C) 2012 Google 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 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 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 WebCompositorSupport_h
#define WebCompositorSupport_h
#include "WebAnimation.h"
#include "WebCommon.h"
#include "WebLayerTreeView.h"
#include "WebScrollbarThemePainter.h"
namespace WebKit {
class WebAnimationCurve;
class WebContentLayer;
class WebContentLayerClient;
class WebDelegatedRendererLayer;
class WebExternalTextureLayer;
class WebExternalTextureLayerClient;
class WebFloatAnimationCurve;
class WebIOSurfaceLayer;
class WebImageLayer;
class WebLayer;
class WebScrollbar;
class WebScrollbarLayer;
class WebScrollbarThemeGeometry;
class WebSolidColorLayer;
class WebThread;
class WebTransformAnimationCurve;
class WebVideoFrameProvider;
class WebVideoLayer;
class WebCompositorSupport {
public:
// Initializes the compositor. Threaded compositing is enabled by passing in
// a non-null WebThread. No compositor classes or methods should be used
// prior to calling initialize.
virtual void initialize(WebThread*) { }
// Returns whether the compositor was initialized with threading enabled.
virtual bool isThreadingEnabled() { return false; }
// Shuts down the compositor. This must be called when all compositor data
// types have been deleted. No compositor classes or methods should be used
// after shutdown.
virtual void shutdown() { }
// May return 0 if initialization fails.
virtual WebLayerTreeView* createLayerTreeView(WebLayerTreeViewClient*, const WebLayer& root, const WebLayerTreeView::Settings&) { return 0; }
// Layers -------------------------------------------------------
virtual WebLayer* createLayer() { return 0; }
virtual WebContentLayer* createContentLayer(WebContentLayerClient*) { return 0; }
virtual WebDelegatedRendererLayer* createDelegatedRendererLayer() { return 0; }
virtual WebExternalTextureLayer* createExternalTextureLayer(WebExternalTextureLayerClient* = 0) { return 0; }
virtual WebIOSurfaceLayer* createIOSurfaceLayer() { return 0; }
virtual WebImageLayer* createImageLayer() { return 0; }
virtual WebSolidColorLayer* createSolidColorLayer() { return 0; }
virtual WebVideoLayer* createVideoLayer(WebVideoFrameProvider*) { return 0; }
virtual WebScrollbarLayer* createScrollbarLayer(WebScrollbar*, WebScrollbarThemePainter, WebScrollbarThemeGeometry*) { return 0; }
// Animation ----------------------------------------------------
virtual WebAnimation* createAnimation(const WebAnimationCurve&, WebAnimation::TargetProperty, int animationId = 0) { return 0; }
virtual WebFloatAnimationCurve* createFloatAnimationCurve() { return 0; }
virtual WebTransformAnimationCurve* createTransformAnimationCurve() { return 0; }
protected:
virtual ~WebCompositorSupport() { }
};
}
#endif // WebCompositorSupport_h
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