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Side by Side Diff: Source/core/css/MediaQueryMatcher.h

Issue 335313003: MediaQueryEvaluator getting mediaType from MediaValues (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Fixed a bug and added tests Created 6 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) 2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3 * 3 *
4 * This library is free software; you can redistribute it and/or 4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public 5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either 6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version. 7 * version 2 of the License, or (at your option) any later version.
8 * 8 *
9 * This library is distributed in the hope that it will be useful, 9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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66 66
67 void trace(Visitor*); 67 void trace(Visitor*);
68 68
69 private: 69 private:
70 RefPtrWillBeMember<MediaQueryListListener> m_listener; 70 RefPtrWillBeMember<MediaQueryListListener> m_listener;
71 RefPtrWillBeMember<MediaQueryList> m_query; 71 RefPtrWillBeMember<MediaQueryList> m_query;
72 }; 72 };
73 73
74 MediaQueryMatcher(Document*); 74 MediaQueryMatcher(Document*);
75 PassOwnPtr<MediaQueryEvaluator> prepareEvaluator() const; 75 PassOwnPtr<MediaQueryEvaluator> prepareEvaluator() const;
76 AtomicString mediaType() const;
77 76
78 RawPtrWillBeMember<Document> m_document; 77 RawPtrWillBeMember<Document> m_document;
79 WillBeHeapVector<OwnPtrWillBeMember<Listener> > m_listeners; 78 WillBeHeapVector<OwnPtrWillBeMember<Listener> > m_listeners;
80 79
81 // This value is incremented at style selector changes. 80 // This value is incremented at style selector changes.
82 // It is used to avoid evaluating queries more then once and to make sure 81 // It is used to avoid evaluating queries more then once and to make sure
83 // that a media query result change is notified exactly once. 82 // that a media query result change is notified exactly once.
84 unsigned m_evaluationRound; 83 unsigned m_evaluationRound;
85 }; 84 };
86 85
87 } 86 }
88 87
89 #endif // MediaQueryMatcher_h 88 #endif // MediaQueryMatcher_h
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