1/** 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) 3 * (C) 2002-2003 Dirk Mueller (mueller@kde.org) 4 * Copyright (C) 2002, 2005, 2006, 2012 Apple Inc. 5 * Copyright (C) 2006 Samuel Weinig (sam@webkit.org) 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23#include "config.h" 24#include "CSSMediaRule.h" 25 26#include "CSSParser.h" 27#include "CSSRuleList.h" 28#include "CSSStyleSheet.h" 29#include "ExceptionCode.h" 30#include "StyleRule.h" 31#include <wtf/text/StringBuilder.h> 32 33namespace WebCore { 34 35CSSMediaRule::CSSMediaRule(StyleRuleMedia* mediaRule, CSSStyleSheet* parent) 36 : CSSGroupingRule(mediaRule, parent) 37{ 38} 39 40CSSMediaRule::~CSSMediaRule() 41{ 42 if (m_mediaCSSOMWrapper) 43 m_mediaCSSOMWrapper->clearParentRule(); 44} 45 46MediaQuerySet* CSSMediaRule::mediaQueries() const 47{ 48 return toStyleRuleMedia(m_groupRule.get())->mediaQueries(); 49} 50 51String CSSMediaRule::cssText() const 52{ 53 StringBuilder result; 54 result.append("@media "); 55 if (mediaQueries()) { 56 result.append(mediaQueries()->mediaText()); 57 result.append(' '); 58 } 59 result.appendLiteral("{ \n"); 60 appendCssTextForItems(result); 61 result.append('}'); 62 return result.toString(); 63} 64 65MediaList* CSSMediaRule::media() const 66{ 67 if (!mediaQueries()) 68 return 0; 69 if (!m_mediaCSSOMWrapper) 70 m_mediaCSSOMWrapper = MediaList::create(mediaQueries(), const_cast<CSSMediaRule*>(this)); 71 return m_mediaCSSOMWrapper.get(); 72} 73 74void CSSMediaRule::reattach(StyleRuleBase* rule) 75{ 76 CSSGroupingRule::reattach(rule); 77 if (m_mediaCSSOMWrapper && mediaQueries()) 78 m_mediaCSSOMWrapper->reattach(mediaQueries()); 79} 80 81} // namespace WebCore 82