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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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26 | 26 |
27 namespace blink { | 27 namespace blink { |
28 | 28 |
29 class Document; | 29 class Document; |
30 class MediaQueryList; | 30 class MediaQueryList; |
31 class MediaQueryListListener; | 31 class MediaQueryListListener; |
32 class MediaQueryEvaluator; | 32 class MediaQueryEvaluator; |
33 class MediaQuerySet; | 33 class MediaQuerySet; |
34 | 34 |
35 // MediaQueryMatcher class is responsible for keeping a vector of pairs | 35 // MediaQueryMatcher class is responsible for keeping a vector of pairs |
36 // MediaQueryList x MediaQueryListListener. It is responsible for evaluating the
queries | 36 // MediaQueryList x MediaQueryListListener. It is responsible for evaluating the |
37 // whenever it is needed and to call the listeners if the corresponding query ha
s changed. | 37 // queries whenever it is needed and to call the listeners if the corresponding |
38 // The listeners must be called in the very same order in which they have been a
dded. | 38 // query has changed. The listeners must be called in the very same order in |
| 39 // which they have been added. |
39 | 40 |
40 class CORE_EXPORT MediaQueryMatcher final | 41 class CORE_EXPORT MediaQueryMatcher final |
41 : public GarbageCollectedFinalized<MediaQueryMatcher> { | 42 : public GarbageCollectedFinalized<MediaQueryMatcher> { |
42 WTF_MAKE_NONCOPYABLE(MediaQueryMatcher); | 43 WTF_MAKE_NONCOPYABLE(MediaQueryMatcher); |
43 | 44 |
44 public: | 45 public: |
45 static MediaQueryMatcher* create(Document&); | 46 static MediaQueryMatcher* create(Document&); |
46 ~MediaQueryMatcher(); | 47 ~MediaQueryMatcher(); |
47 | 48 |
48 void documentDetached(); | 49 void documentDetached(); |
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72 using MediaQueryListSet = HeapLinkedHashSet<WeakMember<MediaQueryList>>; | 73 using MediaQueryListSet = HeapLinkedHashSet<WeakMember<MediaQueryList>>; |
73 MediaQueryListSet m_mediaLists; | 74 MediaQueryListSet m_mediaLists; |
74 | 75 |
75 using ViewportListenerSet = HeapLinkedHashSet<Member<MediaQueryListListener>>; | 76 using ViewportListenerSet = HeapLinkedHashSet<Member<MediaQueryListListener>>; |
76 ViewportListenerSet m_viewportListeners; | 77 ViewportListenerSet m_viewportListeners; |
77 }; | 78 }; |
78 | 79 |
79 } // namespace blink | 80 } // namespace blink |
80 | 81 |
81 #endif // MediaQueryMatcher_h | 82 #endif // MediaQueryMatcher_h |
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