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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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