third_party/WebKit/Source/core/css/PageRuleCollector.h

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@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 ComputedStyle* rootElementStyle, int pageIndex);
  36
  37     void matchPageRules(RuleSet* rules);
  38     const MatchResult& matchedResult() { return m_result; }
  39
  40 private:
  41     bool isLeftPage(const ComputedStyle* rootElementStyle, int pageIndex) const;
  42     bool isRightPage(const ComputedStyle* 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