author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 11 Jun 2010 14:42:15 +0300 | |
changeset 74 | 91031d3aab7d |
parent 68 | 92a765b5b3e7 |
child 94 | 919f36ff910f |
permissions | -rw-r--r-- |
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/** |
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* This file is part of the DOM implementation for KDE. |
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* |
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* (C) 1999-2003 Lars Knoll (knoll@kde.org) |
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* (C) 2002-2003 Dirk Mueller (mueller@kde.org) |
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* Copyright (C) 2002, 2005, 2006 Apple Computer, Inc. |
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* Copyright (C) 2006 Samuel Weinig (sam@webkit.org) |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#include "config.h" |
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#include "CSSMediaRule.h" |
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#include "cssparser.h" |
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#include "CSSRuleList.h" |
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#include "ExceptionCode.h" |
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#include "MediaList.h" |
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#include "StyleSheet.h" |
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namespace WebCore { |
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CSSMediaRule::CSSMediaRule(StyleBase* parent, MediaList* mediaList, CSSRuleList* ruleList) |
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: CSSRule(parent) |
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, m_lstMedia(mediaList) |
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, m_lstCSSRules(ruleList) |
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{ |
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} |
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|
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CSSMediaRule::CSSMediaRule(StyleBase* parent) |
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: CSSRule(parent) |
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, m_lstMedia(0) |
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, m_lstCSSRules(new CSSRuleList()) |
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{ |
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} |
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|
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CSSMediaRule::CSSMediaRule(StyleBase* parent, const String &media) |
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: CSSRule(parent) |
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, m_lstMedia(new MediaList(this, media)) |
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, m_lstCSSRules(new CSSRuleList()) |
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{ |
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} |
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CSSMediaRule::~CSSMediaRule() |
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{ |
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if (m_lstMedia) |
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m_lstMedia->setParent(0); |
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int length = m_lstCSSRules->length(); |
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for (int i = 0; i < length; i++) |
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m_lstCSSRules->item(i)->setParent(0); |
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} |
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unsigned CSSMediaRule::append(CSSRule* rule) |
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{ |
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if (!rule) |
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return 0; |
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rule->setParent(this); |
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return m_lstCSSRules->insertRule(rule, m_lstCSSRules->length()); |
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} |
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unsigned CSSMediaRule::insertRule(const String& rule, unsigned index, ExceptionCode& ec) |
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{ |
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if (index > m_lstCSSRules->length()) { |
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// INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point. |
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ec = INDEX_SIZE_ERR; |
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return 0; |
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} |
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CSSParser p(useStrictParsing()); |
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RefPtr<CSSRule> newRule = p.parseRule(parentStyleSheet(), rule); |
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if (!newRule) { |
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// SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable. |
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ec = SYNTAX_ERR; |
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return 0; |
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} |
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if (newRule->isImportRule()) { |
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// FIXME: an HIERARCHY_REQUEST_ERR should also be thrown for a @charset or a nested |
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// @media rule. They are currently not getting parsed, resulting in a SYNTAX_ERR |
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// to get raised above. |
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// HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified |
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// index, e.g., if an @import rule is inserted after a standard rule set or other |
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// at-rule. |
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ec = HIERARCHY_REQUEST_ERR; |
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return 0; |
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} |
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newRule->setParent(this); |
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unsigned returnedIndex = m_lstCSSRules->insertRule(newRule.get(), index); |
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// stylesheet() can only return 0 for computed style declarations. |
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stylesheet()->styleSheetChanged(); |
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return returnedIndex; |
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} |
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void CSSMediaRule::deleteRule(unsigned index, ExceptionCode& ec) |
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{ |
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if (index >= m_lstCSSRules->length()) { |
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// INDEX_SIZE_ERR: Raised if the specified index does not correspond to a |
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// rule in the media rule list. |
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ec = INDEX_SIZE_ERR; |
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return; |
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} |
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m_lstCSSRules->deleteRule(index); |
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|
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// stylesheet() can only return 0 for computed style declarations. |
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stylesheet()->styleSheetChanged(); |
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} |
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|
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String CSSMediaRule::cssText() const |
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{ |
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String result = "@media "; |
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if (m_lstMedia) { |
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result += m_lstMedia->mediaText(); |
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result += " "; |
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} |
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result += "{ \n"; |
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|
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if (m_lstCSSRules) { |
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unsigned len = m_lstCSSRules->length(); |
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for (unsigned i = 0; i < len; i++) { |
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result += " "; |
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result += m_lstCSSRules->item(i)->cssText(); |
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result += "\n"; |
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} |
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} |
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|
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result += "}"; |
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return result; |
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} |
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} // namespace WebCore |