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1 /* | |
2 * Copyright (C) 2012 Intel Corporation. All rights reserved. | |
3 * Copyright (C) 2012 Apple Inc. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * | |
9 * 1. Redistributions of source code must retain the above | |
10 * copyright notice, this list of conditions and the following | |
11 * disclaimer. | |
12 * 2. Redistributions in binary form must reproduce the above | |
13 * copyright notice, this list of conditions and the following | |
14 * disclaimer in the documentation and/or other materials | |
15 * provided with the distribution. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY | |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE | |
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | |
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
28 * SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "core/css/WebKitCSSViewportRule.h" | |
33 | |
34 #if ENABLE(CSS_DEVICE_ADAPTATION) | |
35 | |
36 #include "core/css/PropertySetCSSStyleDeclaration.h" | |
37 #include "core/css/StylePropertySet.h" | |
38 #include "core/css/StyleRule.h" | |
39 #include "core/dom/WebCoreMemoryInstrumentation.h" | |
40 #include <wtf/text/StringBuilder.h> | |
41 | |
42 namespace WebCore { | |
43 | |
44 WebKitCSSViewportRule::WebKitCSSViewportRule(StyleRuleViewport* viewportRule, CS
SStyleSheet* sheet) | |
45 : CSSRule(sheet) | |
46 , m_viewportRule(viewportRule) | |
47 { | |
48 } | |
49 | |
50 WebKitCSSViewportRule::~WebKitCSSViewportRule() | |
51 { | |
52 if (m_propertiesCSSOMWrapper) | |
53 m_propertiesCSSOMWrapper->clearParentRule(); | |
54 } | |
55 | |
56 CSSStyleDeclaration* WebKitCSSViewportRule::style() const | |
57 { | |
58 if (!m_propertiesCSSOMWrapper) | |
59 m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_viewpo
rtRule->mutableProperties(), const_cast<WebKitCSSViewportRule*>(this)); | |
60 | |
61 return m_propertiesCSSOMWrapper.get(); | |
62 } | |
63 | |
64 String WebKitCSSViewportRule::cssText() const | |
65 { | |
66 StringBuilder result; | |
67 result.appendLiteral("@-webkit-viewport { "); | |
68 | |
69 String decls = m_viewportRule->properties()->asText(); | |
70 result.append(decls); | |
71 if (!decls.isEmpty()) | |
72 result.append(' '); | |
73 | |
74 result.append('}'); | |
75 | |
76 return result.toString(); | |
77 } | |
78 | |
79 void WebKitCSSViewportRule::reattach(StyleRuleBase* rule) | |
80 { | |
81 ASSERT(rule); | |
82 ASSERT_WITH_SECURITY_IMPLICATION(rule->isViewportRule()); | |
83 m_viewportRule = static_cast<StyleRuleViewport*>(rule); | |
84 | |
85 if (m_propertiesCSSOMWrapper) | |
86 m_propertiesCSSOMWrapper->reattach(m_viewportRule->mutableProperties()); | |
87 } | |
88 | |
89 void WebKitCSSViewportRule::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo
) const | |
90 { | |
91 MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS); | |
92 CSSRule::reportMemoryUsage(memoryObjectInfo); | |
93 info.addMember(m_viewportRule, "viewportRule"); | |
94 info.addMember(m_propertiesCSSOMWrapper, "propertiesCSSOMWrapper"); | |
95 } | |
96 | |
97 } // namespace WebCore | |
98 | |
99 #endif // ENABLE(CSS_DEVICE_ADAPTATION) | |
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