| OLD | NEW |
| 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 |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 #include "core/css/MediaQueryListEvent.h" | 25 #include "core/css/MediaQueryListEvent.h" |
| 26 #include "core/css/MediaQueryListListener.h" | 26 #include "core/css/MediaQueryListListener.h" |
| 27 #include "core/css/resolver/StyleResolver.h" | 27 #include "core/css/resolver/StyleResolver.h" |
| 28 #include "core/dom/Document.h" | 28 #include "core/dom/Document.h" |
| 29 #include "core/frame/FrameView.h" | 29 #include "core/frame/FrameView.h" |
| 30 #include "core/frame/LocalFrame.h" | 30 #include "core/frame/LocalFrame.h" |
| 31 #include "wtf/Vector.h" | 31 #include "wtf/Vector.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 RawPtr<MediaQueryMatcher> MediaQueryMatcher::create(Document& document) | 35 MediaQueryMatcher* MediaQueryMatcher::create(Document& document) |
| 36 { | 36 { |
| 37 return new MediaQueryMatcher(document); | 37 return new MediaQueryMatcher(document); |
| 38 } | 38 } |
| 39 | 39 |
| 40 MediaQueryMatcher::MediaQueryMatcher(Document& document) | 40 MediaQueryMatcher::MediaQueryMatcher(Document& document) |
| 41 : m_document(&document) | 41 : m_document(&document) |
| 42 { | 42 { |
| 43 ASSERT(m_document); | 43 ASSERT(m_document); |
| 44 } | 44 } |
| 45 | 45 |
| 46 MediaQueryMatcher::~MediaQueryMatcher() | 46 MediaQueryMatcher::~MediaQueryMatcher() |
| 47 { | 47 { |
| 48 } | 48 } |
| 49 | 49 |
| 50 void MediaQueryMatcher::documentDetached() | 50 void MediaQueryMatcher::documentDetached() |
| 51 { | 51 { |
| 52 m_document = nullptr; | 52 m_document = nullptr; |
| 53 m_evaluator = nullptr; | 53 m_evaluator = nullptr; |
| 54 } | 54 } |
| 55 | 55 |
| 56 RawPtr<MediaQueryEvaluator> MediaQueryMatcher::createEvaluator() const | 56 MediaQueryEvaluator* MediaQueryMatcher::createEvaluator() const |
| 57 { | 57 { |
| 58 if (!m_document || !m_document->frame()) | 58 if (!m_document || !m_document->frame()) |
| 59 return nullptr; | 59 return nullptr; |
| 60 | 60 |
| 61 return new MediaQueryEvaluator(m_document->frame()); | 61 return new MediaQueryEvaluator(m_document->frame()); |
| 62 } | 62 } |
| 63 | 63 |
| 64 bool MediaQueryMatcher::evaluate(const MediaQuerySet* media) | 64 bool MediaQueryMatcher::evaluate(const MediaQuerySet* media) |
| 65 { | 65 { |
| 66 ASSERT(!m_document || m_document->frame() || !m_evaluator); | 66 ASSERT(!m_document || m_document->frame() || !m_evaluator); |
| 67 | 67 |
| 68 if (!media) | 68 if (!media) |
| 69 return false; | 69 return false; |
| 70 | 70 |
| 71 // Cache the evaluator to avoid allocating one per evaluation. | 71 // Cache the evaluator to avoid allocating one per evaluation. |
| 72 if (!m_evaluator) | 72 if (!m_evaluator) |
| 73 m_evaluator = createEvaluator(); | 73 m_evaluator = createEvaluator(); |
| 74 | 74 |
| 75 if (m_evaluator) | 75 if (m_evaluator) |
| 76 return m_evaluator->eval(media); | 76 return m_evaluator->eval(media); |
| 77 | 77 |
| 78 return false; | 78 return false; |
| 79 } | 79 } |
| 80 | 80 |
| 81 RawPtr<MediaQueryList> MediaQueryMatcher::matchMedia(const String& query) | 81 MediaQueryList* MediaQueryMatcher::matchMedia(const String& query) |
| 82 { | 82 { |
| 83 if (!m_document) | 83 if (!m_document) |
| 84 return nullptr; | 84 return nullptr; |
| 85 | 85 |
| 86 RawPtr<MediaQuerySet> media = MediaQuerySet::create(query); | 86 MediaQuerySet* media = MediaQuerySet::create(query); |
| 87 return MediaQueryList::create(m_document, this, media); | 87 return MediaQueryList::create(m_document, this, media); |
| 88 } | 88 } |
| 89 | 89 |
| 90 void MediaQueryMatcher::addMediaQueryList(MediaQueryList* query) | 90 void MediaQueryMatcher::addMediaQueryList(MediaQueryList* query) |
| 91 { | 91 { |
| 92 if (!m_document) | 92 if (!m_document) |
| 93 return; | 93 return; |
| 94 m_mediaLists.add(query); | 94 m_mediaLists.add(query); |
| 95 } | 95 } |
| 96 | 96 |
| 97 void MediaQueryMatcher::removeMediaQueryList(MediaQueryList* query) | 97 void MediaQueryMatcher::removeMediaQueryList(MediaQueryList* query) |
| 98 { | 98 { |
| 99 if (!m_document) | 99 if (!m_document) |
| 100 return; | 100 return; |
| 101 m_mediaLists.remove(query); | 101 m_mediaLists.remove(query); |
| 102 } | 102 } |
| 103 | 103 |
| 104 void MediaQueryMatcher::addViewportListener(RawPtr<MediaQueryListListener> liste
ner) | 104 void MediaQueryMatcher::addViewportListener(MediaQueryListListener* listener) |
| 105 { | 105 { |
| 106 if (!m_document) | 106 if (!m_document) |
| 107 return; | 107 return; |
| 108 m_viewportListeners.add(listener); | 108 m_viewportListeners.add(listener); |
| 109 } | 109 } |
| 110 | 110 |
| 111 void MediaQueryMatcher::removeViewportListener(RawPtr<MediaQueryListListener> li
stener) | 111 void MediaQueryMatcher::removeViewportListener(MediaQueryListListener* listener) |
| 112 { | 112 { |
| 113 if (!m_document) | 113 if (!m_document) |
| 114 return; | 114 return; |
| 115 m_viewportListeners.remove(listener); | 115 m_viewportListeners.remove(listener); |
| 116 } | 116 } |
| 117 | 117 |
| 118 void MediaQueryMatcher::mediaFeaturesChanged() | 118 void MediaQueryMatcher::mediaFeaturesChanged() |
| 119 { | 119 { |
| 120 if (!m_document) | 120 if (!m_document) |
| 121 return; | 121 return; |
| 122 | 122 |
| 123 HeapVector<Member<MediaQueryListListener>> listenersToNotify; | 123 HeapVector<Member<MediaQueryListListener>> listenersToNotify; |
| 124 for (const auto& list : m_mediaLists) { | 124 for (const auto& list : m_mediaLists) { |
| 125 if (list->mediaFeaturesChanged(&listenersToNotify)) { | 125 if (list->mediaFeaturesChanged(&listenersToNotify)) { |
| 126 RawPtr<Event> event(MediaQueryListEvent::create(list)); | 126 Event* event = MediaQueryListEvent::create(list); |
| 127 event->setTarget(list); | 127 event->setTarget(list); |
| 128 m_document->enqueueUniqueAnimationFrameEvent(event); | 128 m_document->enqueueUniqueAnimationFrameEvent(event); |
| 129 } | 129 } |
| 130 } | 130 } |
| 131 m_document->enqueueMediaQueryChangeListeners(listenersToNotify); | 131 m_document->enqueueMediaQueryChangeListeners(listenersToNotify); |
| 132 } | 132 } |
| 133 | 133 |
| 134 void MediaQueryMatcher::viewportChanged() | 134 void MediaQueryMatcher::viewportChanged() |
| 135 { | 135 { |
| 136 if (!m_document) | 136 if (!m_document) |
| 137 return; | 137 return; |
| 138 | 138 |
| 139 HeapVector<Member<MediaQueryListListener>> listenersToNotify; | 139 HeapVector<Member<MediaQueryListListener>> listenersToNotify; |
| 140 for (const auto& listener : m_viewportListeners) | 140 for (const auto& listener : m_viewportListeners) |
| 141 listenersToNotify.append(listener); | 141 listenersToNotify.append(listener); |
| 142 | 142 |
| 143 m_document->enqueueMediaQueryChangeListeners(listenersToNotify); | 143 m_document->enqueueMediaQueryChangeListeners(listenersToNotify); |
| 144 } | 144 } |
| 145 | 145 |
| 146 DEFINE_TRACE(MediaQueryMatcher) | 146 DEFINE_TRACE(MediaQueryMatcher) |
| 147 { | 147 { |
| 148 visitor->trace(m_document); | 148 visitor->trace(m_document); |
| 149 visitor->trace(m_evaluator); | 149 visitor->trace(m_evaluator); |
| 150 visitor->trace(m_mediaLists); | 150 visitor->trace(m_mediaLists); |
| 151 visitor->trace(m_viewportListeners); | 151 visitor->trace(m_viewportListeners); |
| 152 } | 152 } |
| 153 | 153 |
| 154 } // namespace blink | 154 } // namespace blink |
| OLD | NEW |