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| 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 #include "config.h" | |
| 31 | |
| 32 #include "core/css/WebKitCSSShaderValue.h" | |
| 33 | |
| 34 #include "core/css/CSSParser.h" | |
| 35 #include "core/dom/Document.h" | |
| 36 #include "core/dom/WebCoreMemoryInstrumentation.h" | |
| 37 #include "core/loader/cache/CachedResourceLoader.h" | |
| 38 #include "core/loader/cache/CachedResourceRequest.h" | |
| 39 #include "core/loader/cache/CachedResourceRequestInitiators.h" | |
| 40 #include "core/rendering/style/StyleCachedShader.h" | |
| 41 #include "core/rendering/style/StylePendingShader.h" | |
| 42 | |
| 43 namespace WebCore { | |
| 44 | |
| 45 WebKitCSSShaderValue::WebKitCSSShaderValue(const String& url) | |
| 46 : CSSValue(WebKitCSSShaderClass) | |
| 47 , m_url(url) | |
| 48 , m_accessedShader(false) | |
| 49 { | |
| 50 } | |
| 51 | |
| 52 WebKitCSSShaderValue::~WebKitCSSShaderValue() | |
| 53 { | |
| 54 } | |
| 55 | |
| 56 KURL WebKitCSSShaderValue::completeURL(CachedResourceLoader* loader) const | |
| 57 { | |
| 58 return loader->document()->completeURL(m_url); | |
| 59 } | |
| 60 | |
| 61 StyleCachedShader* WebKitCSSShaderValue::cachedShader(CachedResourceLoader* load
er) | |
| 62 { | |
| 63 ASSERT(loader); | |
| 64 | |
| 65 if (!m_accessedShader) { | |
| 66 m_accessedShader = true; | |
| 67 | |
| 68 CachedResourceRequest request(ResourceRequest(completeURL(loader)), cach
edResourceRequestInitiators().css); | |
| 69 if (CachedResourceHandle<CachedShader> cachedShader = loader->requestSha
der(request)) | |
| 70 m_shader = StyleCachedShader::create(cachedShader.get()); | |
| 71 } | |
| 72 | |
| 73 return (m_shader && m_shader->isCachedShader()) ? static_cast<StyleCachedSha
der*>(m_shader.get()) : 0; | |
| 74 } | |
| 75 | |
| 76 StyleShader* WebKitCSSShaderValue::cachedOrPendingShader() | |
| 77 { | |
| 78 if (!m_shader) | |
| 79 m_shader = StylePendingShader::create(this); | |
| 80 | |
| 81 return m_shader.get(); | |
| 82 } | |
| 83 | |
| 84 String WebKitCSSShaderValue::customCssText() const | |
| 85 { | |
| 86 StringBuilder result; | |
| 87 result.appendLiteral("url("); | |
| 88 result.append(quoteCSSURLIfNeeded(m_url)); | |
| 89 result.append(')'); | |
| 90 if (!m_format.isEmpty()) { | |
| 91 result.appendLiteral(" format('"); | |
| 92 result.append(m_format); | |
| 93 result.appendLiteral("')"); | |
| 94 } | |
| 95 return result.toString(); | |
| 96 } | |
| 97 | |
| 98 bool WebKitCSSShaderValue::equals(const WebKitCSSShaderValue& other) const | |
| 99 { | |
| 100 return m_url == other.m_url; | |
| 101 } | |
| 102 | |
| 103 void WebKitCSSShaderValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryO
bjectInfo) const | |
| 104 { | |
| 105 MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS); | |
| 106 info.addMember(m_url, "url"); | |
| 107 info.addMember(m_format, "format"); | |
| 108 } | |
| 109 | |
| 110 } // namespace WebCore | |
| 111 | |
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