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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #ifndef PageRuleCollector_h
     23 #define PageRuleCollector_h
     24 
     25 #include "core/css/resolver/MatchResult.h"
     26 #include "wtf/Vector.h"
     27 
     28 namespace blink {
     29 
     30 class StyleRulePage;
     31 
     32 class PageRuleCollector {
     33     STACK_ALLOCATED();
     34 public:
     35     PageRuleCollector(const RenderStyle* rootElementStyle, int pageIndex);
     36 
     37     void matchPageRules(RuleSet* rules);
     38     MatchResult& matchedResult() { return m_result; }
     39 
     40 private:
     41     bool isLeftPage(const RenderStyle* rootElementStyle, int pageIndex) const;
     42     bool isRightPage(const RenderStyle* rootElementStyle, int pageIndex) const { return !isLeftPage(rootElementStyle, pageIndex); }
     43     bool isFirstPage(int pageIndex) const;
     44     String pageName(int pageIndex) const;
     45 
     46     void matchPageRulesForList(WillBeHeapVector<RawPtrWillBeMember<StyleRulePage> >& matchedRules, const WillBeHeapVector<RawPtrWillBeMember<StyleRulePage> >& rules, bool isLeftPage, bool isFirstPage, const String& pageName);
     47 
     48     const bool m_isLeftPage;
     49     const bool m_isFirstPage;
     50     const String m_pageName;
     51 
     52     MatchResult m_result;
     53 };
     54 
     55 } // namespace blink
     56 
     57 #endif // PageRuleCollector_h
     58