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 "WebKitCSSViewportRule.h" 33 34#if ENABLE(CSS_DEVICE_ADAPTATION) 35 36#include "PropertySetCSSStyleDeclaration.h" 37#include "StylePropertySet.h" 38#include "StyleRule.h" 39#include <wtf/text/StringBuilder.h> 40 41namespace WebCore { 42 43WebKitCSSViewportRule::WebKitCSSViewportRule(StyleRuleViewport* viewportRule, CSSStyleSheet* sheet) 44 : CSSRule(sheet) 45 , m_viewportRule(viewportRule) 46{ 47} 48 49WebKitCSSViewportRule::~WebKitCSSViewportRule() 50{ 51 if (m_propertiesCSSOMWrapper) 52 m_propertiesCSSOMWrapper->clearParentRule(); 53} 54 55CSSStyleDeclaration* WebKitCSSViewportRule::style() 56{ 57 if (!m_propertiesCSSOMWrapper) 58 m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_viewportRule->mutableProperties(), this); 59 60 return m_propertiesCSSOMWrapper.get(); 61} 62 63String WebKitCSSViewportRule::cssText() const 64{ 65 StringBuilder result; 66 result.appendLiteral("@-webkit-viewport { "); 67 68 String decls = m_viewportRule->properties()->asText(); 69 result.append(decls); 70 if (!decls.isEmpty()) 71 result.append(' '); 72 73 result.append('}'); 74 75 return result.toString(); 76} 77 78void WebKitCSSViewportRule::reattach(StyleRuleBase* rule) 79{ 80 ASSERT(rule); 81 ASSERT_WITH_SECURITY_IMPLICATION(rule->isViewportRule()); 82 m_viewportRule = static_cast<StyleRuleViewport*>(rule); 83 84 if (m_propertiesCSSOMWrapper) 85 m_propertiesCSSOMWrapper->reattach(m_viewportRule->mutableProperties()); 86} 87 88} // namespace WebCore 89 90#endif // ENABLE(CSS_DEVICE_ADAPTATION) 91