1/* 2 * Copyright (C) 2011 Adobe Systems Incorporated. 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 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef StyleShader_h 31#define StyleShader_h 32 33#if ENABLE(CSS_SHADERS) 34 35#include <wtf/RefCounted.h> 36 37namespace WebCore { 38 39class CachedShader; 40class CSSValue; 41 42class StyleShader : public RefCounted<StyleShader> { 43public: 44 virtual ~StyleShader() { } 45 46 ALWAYS_INLINE bool isCachedShader() const { return m_isCachedShader; } 47 ALWAYS_INLINE bool isPendingShader() const { return m_isPendingShader; } 48 49 virtual PassRefPtr<CSSValue> cssValue() const = 0; 50 51 virtual CachedShader* cachedShader() const { return 0; } 52 53protected: 54 StyleShader() 55 : m_isCachedShader(false) 56 , m_isPendingShader(false) 57 { 58 } 59 bool m_isCachedShader : 1; 60 bool m_isPendingShader : 1; 61}; 62 63} 64 65#endif // ENABLE(CSS_SHADERS) 66 67#endif // StyleShader_h 68