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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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