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 WebKitCSSShaderValue_h 31#define WebKitCSSShaderValue_h 32 33#if ENABLE(CSS_SHADERS) 34 35#include "CSSValue.h" 36 37namespace WebCore { 38 39class CachedResourceLoader; 40class KURL; 41class StyleCachedShader; 42class StyleShader; 43 44class WebKitCSSShaderValue : public CSSValue { 45public: 46 static PassRefPtr<WebKitCSSShaderValue> create(const String& url) { return adoptRef(new WebKitCSSShaderValue(url)); } 47 ~WebKitCSSShaderValue(); 48 49 const String& format() const { return m_format; } 50 void setFormat(const String& format) { m_format = format; } 51 52 KURL completeURL(CachedResourceLoader*) const; 53 StyleCachedShader* cachedShader(CachedResourceLoader*); 54 StyleShader* cachedOrPendingShader(); 55 56 String customCssText() const; 57 58 bool equals(const WebKitCSSShaderValue&) const; 59 60private: 61 WebKitCSSShaderValue(const String& url); 62 63 String m_url; 64 String m_format; 65 RefPtr<StyleShader> m_shader; 66 bool m_accessedShader; 67}; 68 69// This will catch anyone doing an unnecessary cast. 70WebKitCSSShaderValue* toWebKitCSSShaderValue(const WebKitCSSShaderValue*); 71 72inline WebKitCSSShaderValue* toWebKitCSSShaderValue(CSSValue* value) 73{ 74 return value->isWebKitCSSShaderValue() ? static_cast<WebKitCSSShaderValue*>(value) : 0; 75} 76 77} // namespace WebCore 78 79#endif // ENABLE(CSS_SHADERS) 80 81#endif // WebKitCSSShaderValue_h 82