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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2011 Google Inc. All Rights Reserved. |
3 * Copyright (C) 2012 Apple Inc. All Rights Reserved. | 3 * Copyright (C) 2012 Apple Inc. All Rights Reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class ContainerNode; | 39 class ContainerNode; |
40 class DOMSelection; | 40 class DOMSelection; |
41 class Document; | 41 class Document; |
42 class Element; | 42 class Element; |
43 class HTMLMapElement; | 43 class HTMLMapElement; |
44 class HitTestResult; | 44 class HitTestResult; |
45 class IdTargetObserverRegistry; | 45 class IdTargetObserverRegistry; |
| 46 class SVGTreeScopeResources; |
46 class ScopedStyleResolver; | 47 class ScopedStyleResolver; |
47 class Node; | 48 class Node; |
48 | 49 |
49 // A class which inherits both Node and TreeScope must call clearRareData() in | 50 // A class which inherits both Node and TreeScope must call clearRareData() in |
50 // its destructor so that the Node destructor no longer does problematic | 51 // its destructor so that the Node destructor no longer does problematic |
51 // NodeList cache manipulation in the destructor. | 52 // NodeList cache manipulation in the destructor. |
52 class CORE_EXPORT TreeScope : public GarbageCollectedMixin { | 53 class CORE_EXPORT TreeScope : public GarbageCollectedMixin { |
53 public: | 54 public: |
54 TreeScope* parentTreeScope() const { return m_parentTreeScope; } | 55 TreeScope* parentTreeScope() const { return m_parentTreeScope; } |
55 | 56 |
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120 Element* getElementByAccessKey(const String& key) const; | 121 Element* getElementByAccessKey(const String& key) const; |
121 | 122 |
122 DECLARE_VIRTUAL_TRACE(); | 123 DECLARE_VIRTUAL_TRACE(); |
123 | 124 |
124 ScopedStyleResolver* scopedStyleResolver() const { | 125 ScopedStyleResolver* scopedStyleResolver() const { |
125 return m_scopedStyleResolver.get(); | 126 return m_scopedStyleResolver.get(); |
126 } | 127 } |
127 ScopedStyleResolver& ensureScopedStyleResolver(); | 128 ScopedStyleResolver& ensureScopedStyleResolver(); |
128 void clearScopedStyleResolver(); | 129 void clearScopedStyleResolver(); |
129 | 130 |
| 131 SVGTreeScopeResources& ensureSVGTreeScopedResources(); |
| 132 |
130 protected: | 133 protected: |
131 TreeScope(ContainerNode&, Document&); | 134 TreeScope(ContainerNode&, Document&); |
132 TreeScope(Document&); | 135 TreeScope(Document&); |
133 virtual ~TreeScope(); | 136 virtual ~TreeScope(); |
134 | 137 |
135 void setDocument(Document& document) { m_document = &document; } | 138 void setDocument(Document& document) { m_document = &document; } |
136 void setParentTreeScope(TreeScope&); | 139 void setParentTreeScope(TreeScope&); |
137 void setNeedsStyleRecalcForViewportUnits(); | 140 void setNeedsStyleRecalcForViewportUnits(); |
138 | 141 |
139 private: | 142 private: |
140 Member<ContainerNode> m_rootNode; | 143 Member<ContainerNode> m_rootNode; |
141 Member<Document> m_document; | 144 Member<Document> m_document; |
142 Member<TreeScope> m_parentTreeScope; | 145 Member<TreeScope> m_parentTreeScope; |
143 | 146 |
144 Member<DocumentOrderedMap> m_elementsById; | 147 Member<DocumentOrderedMap> m_elementsById; |
145 Member<DocumentOrderedMap> m_imageMapsByName; | 148 Member<DocumentOrderedMap> m_imageMapsByName; |
146 | 149 |
147 Member<IdTargetObserverRegistry> m_idTargetObserverRegistry; | 150 Member<IdTargetObserverRegistry> m_idTargetObserverRegistry; |
148 | 151 |
149 Member<ScopedStyleResolver> m_scopedStyleResolver; | 152 Member<ScopedStyleResolver> m_scopedStyleResolver; |
150 | 153 |
151 mutable Member<DOMSelection> m_selection; | 154 mutable Member<DOMSelection> m_selection; |
152 | 155 |
153 RadioButtonGroupScope m_radioButtonGroupScope; | 156 RadioButtonGroupScope m_radioButtonGroupScope; |
| 157 |
| 158 Member<SVGTreeScopeResources> m_svgTreeScopedResources; |
154 }; | 159 }; |
155 | 160 |
156 inline bool TreeScope::hasElementWithId(const AtomicString& id) const { | 161 inline bool TreeScope::hasElementWithId(const AtomicString& id) const { |
157 DCHECK(!id.isNull()); | 162 DCHECK(!id.isNull()); |
158 return m_elementsById && m_elementsById->contains(id); | 163 return m_elementsById && m_elementsById->contains(id); |
159 } | 164 } |
160 | 165 |
161 inline bool TreeScope::containsMultipleElementsWithId( | 166 inline bool TreeScope::containsMultipleElementsWithId( |
162 const AtomicString& id) const { | 167 const AtomicString& id) const { |
163 return m_elementsById && m_elementsById->containsMultiple(id); | 168 return m_elementsById && m_elementsById->containsMultiple(id); |
164 } | 169 } |
165 | 170 |
166 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(TreeScope) | 171 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(TreeScope) |
167 | 172 |
168 HitTestResult hitTestInDocument( | 173 HitTestResult hitTestInDocument( |
169 const Document*, | 174 const Document*, |
170 int x, | 175 int x, |
171 int y, | 176 int y, |
172 const HitTestRequest& = HitTestRequest::ReadOnly | HitTestRequest::Active); | 177 const HitTestRequest& = HitTestRequest::ReadOnly | HitTestRequest::Active); |
173 | 178 |
174 } // namespace blink | 179 } // namespace blink |
175 | 180 |
176 #endif // TreeScope_h | 181 #endif // TreeScope_h |
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