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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Apple Computer, Inc. | 2 * Copyright (C) 2006 Apple Computer, Inc. |
| 3 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) | 3 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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| 70 unsigned leftPadding); | 70 unsigned leftPadding); |
| 71 HitTestResult(const HitTestRequest&, const HitTestLocation&); | 71 HitTestResult(const HitTestRequest&, const HitTestLocation&); |
| 72 HitTestResult(const HitTestResult&); | 72 HitTestResult(const HitTestResult&); |
| 73 ~HitTestResult(); | 73 ~HitTestResult(); |
| 74 HitTestResult& operator=(const HitTestResult&); | 74 HitTestResult& operator=(const HitTestResult&); |
| 75 DECLARE_TRACE(); | 75 DECLARE_TRACE(); |
| 76 | 76 |
| 77 bool equalForCacheability(const HitTestResult&) const; | 77 bool equalForCacheability(const HitTestResult&) const; |
| 78 void cacheValues(const HitTestResult&); | 78 void cacheValues(const HitTestResult&); |
| 79 | 79 |
| 80 // Populate this object based on another HitTestResult; similar to assignment | 80 // Populate this object based on another HitTestResult; similar to assignment
operator |
| 81 // operator but don't assign any of the request parameters. ie. This method | 81 // but don't assign any of the request parameters. ie. Thie method avoids sett
ing |
| 82 // avoids setting |m_hitTestLocation|, |m_hitTestRequest|. | 82 // |m_hitTestLocation|, |m_hitTestRequest|. |
| 83 void populateFromCachedResult(const HitTestResult&); | 83 void populateFromCachedResult(const HitTestResult&); |
| 84 | 84 |
| 85 // For point-based hit tests, these accessors provide information about the | 85 // For point-based hit tests, these accessors provide information about the no
de |
| 86 // node under the point. For rect-based hit tests they are meaningless | 86 // under the point. For rect-based hit tests they are meaningless (reflect the |
| 87 // (reflect the last candidate node observed in the rect). | 87 // last candidate node observed in the rect). |
| 88 // FIXME: Make these less error-prone for rect-based hit tests (center point | 88 // FIXME: Make these less error-prone for rect-based hit tests (center point o
r fail). |
| 89 // or fail). | |
| 90 Node* innerNode() const { return m_innerNode.get(); } | 89 Node* innerNode() const { return m_innerNode.get(); } |
| 91 Node* innerPossiblyPseudoNode() const { | 90 Node* innerPossiblyPseudoNode() const { |
| 92 return m_innerPossiblyPseudoNode.get(); | 91 return m_innerPossiblyPseudoNode.get(); |
| 93 } | 92 } |
| 94 Element* innerElement() const; | 93 Element* innerElement() const; |
| 95 | 94 |
| 96 // If innerNode is an image map or image map area, return the associated image | 95 // If innerNode is an image map or image map area, return the associated image
node. |
| 97 // node. | |
| 98 Node* innerNodeOrImageMapImage() const; | 96 Node* innerNodeOrImageMapImage() const; |
| 99 | 97 |
| 100 Element* URLElement() const { return m_innerURLElement.get(); } | 98 Element* URLElement() const { return m_innerURLElement.get(); } |
| 101 Scrollbar* scrollbar() const { return m_scrollbar.get(); } | 99 Scrollbar* scrollbar() const { return m_scrollbar.get(); } |
| 102 bool isOverWidget() const { return m_isOverWidget; } | 100 bool isOverWidget() const { return m_isOverWidget; } |
| 103 | 101 |
| 104 // Forwarded from HitTestLocation | 102 // Forwarded from HitTestLocation |
| 105 bool isRectBasedTest() const { return m_hitTestLocation.isRectBasedTest(); } | 103 bool isRectBasedTest() const { return m_hitTestLocation.isRectBasedTest(); } |
| 106 | 104 |
| 107 // The hit-tested point in the coordinates of the main frame. | 105 // The hit-tested point in the coordinates of the main frame. |
| 108 const LayoutPoint& pointInMainFrame() const { | 106 const LayoutPoint& pointInMainFrame() const { |
| 109 return m_hitTestLocation.point(); | 107 return m_hitTestLocation.point(); |
| 110 } | 108 } |
| 111 IntPoint roundedPointInMainFrame() const { | 109 IntPoint roundedPointInMainFrame() const { |
| 112 return roundedIntPoint(pointInMainFrame()); | 110 return roundedIntPoint(pointInMainFrame()); |
| 113 } | 111 } |
| 114 | 112 |
| 115 // The hit-tested point in the coordinates of the innerNode frame, the frame | 113 // The hit-tested point in the coordinates of the innerNode frame, the frame c
ontaining innerNode. |
| 116 // containing innerNode. | |
| 117 const LayoutPoint& pointInInnerNodeFrame() const { | 114 const LayoutPoint& pointInInnerNodeFrame() const { |
| 118 return m_pointInInnerNodeFrame; | 115 return m_pointInInnerNodeFrame; |
| 119 } | 116 } |
| 120 IntPoint roundedPointInInnerNodeFrame() const { | 117 IntPoint roundedPointInInnerNodeFrame() const { |
| 121 return roundedIntPoint(pointInInnerNodeFrame()); | 118 return roundedIntPoint(pointInInnerNodeFrame()); |
| 122 } | 119 } |
| 123 LocalFrame* innerNodeFrame() const; | 120 LocalFrame* innerNodeFrame() const; |
| 124 | 121 |
| 125 // The hit-tested point in the coordinates of the inner node. | 122 // The hit-tested point in the coordinates of the inner node. |
| 126 const LayoutPoint& localPoint() const { return m_localPoint; } | 123 const LayoutPoint& localPoint() const { return m_localPoint; } |
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| 167 ListBasedHitTestBehavior addNodeToListBasedTestResult( | 164 ListBasedHitTestBehavior addNodeToListBasedTestResult( |
| 168 Node*, | 165 Node*, |
| 169 const HitTestLocation&, | 166 const HitTestLocation&, |
| 170 const LayoutRect& = LayoutRect()); | 167 const LayoutRect& = LayoutRect()); |
| 171 ListBasedHitTestBehavior addNodeToListBasedTestResult(Node*, | 168 ListBasedHitTestBehavior addNodeToListBasedTestResult(Node*, |
| 172 const HitTestLocation&, | 169 const HitTestLocation&, |
| 173 const Region&); | 170 const Region&); |
| 174 | 171 |
| 175 void append(const HitTestResult&); | 172 void append(const HitTestResult&); |
| 176 | 173 |
| 177 // If m_listBasedTestResult is 0 then set it to a new NodeSet. Return | 174 // If m_listBasedTestResult is 0 then set it to a new NodeSet. Return *m_listB
asedTestResult. Lazy allocation makes |
| 178 // *m_listBasedTestResult. Lazy allocation makes sense because the NodeSet is | 175 // sense because the NodeSet is seldom necessary, and it's somewhat expensive
to allocate and initialize. This method does |
| 179 // seldom necessary, and it's somewhat expensive to allocate and initialize. | 176 // the same thing as mutableListBasedTestResult(), but here the return value i
s const. |
| 180 // This method does the same thing as mutableListBasedTestResult(), but here | |
| 181 // the return value is const. | |
| 182 const NodeSet& listBasedTestResult() const; | 177 const NodeSet& listBasedTestResult() const; |
| 183 | 178 |
| 184 // Collapse the rect-based test result into a single target at the specified | 179 // Collapse the rect-based test result into a single target at the specified l
ocation. |
| 185 // location. | |
| 186 void resolveRectBasedTest(Node* resolvedInnerNode, | 180 void resolveRectBasedTest(Node* resolvedInnerNode, |
| 187 const LayoutPoint& resolvedPointInMainFrame); | 181 const LayoutPoint& resolvedPointInMainFrame); |
| 188 | 182 |
| 189 private: | 183 private: |
| 190 NodeSet& mutableListBasedTestResult(); // See above. | 184 NodeSet& mutableListBasedTestResult(); // See above. |
| 191 HTMLMediaElement* mediaElement() const; | 185 HTMLMediaElement* mediaElement() const; |
| 192 | 186 |
| 193 HitTestLocation m_hitTestLocation; | 187 HitTestLocation m_hitTestLocation; |
| 194 HitTestRequest m_hitTestRequest; | 188 HitTestRequest m_hitTestRequest; |
| 195 bool m_cacheable; | 189 bool m_cacheable; |
| 196 | 190 |
| 197 Member<Node> m_innerNode; | 191 Member<Node> m_innerNode; |
| 198 Member<Node> m_innerPossiblyPseudoNode; | 192 Member<Node> m_innerPossiblyPseudoNode; |
| 199 // FIXME: Nothing changes this to a value different from m_hitTestLocation! | 193 // FIXME: Nothing changes this to a value different from m_hitTestLocation! |
| 200 LayoutPoint m_pointInInnerNodeFrame; // The hit-tested point in innerNode | 194 LayoutPoint |
| 201 // frame coordinates. | 195 m_pointInInnerNodeFrame; // The hit-tested point in innerNode frame coord
inates. |
| 202 LayoutPoint m_localPoint; // A point in the local coordinate space of | 196 LayoutPoint |
| 203 // m_innerNode's layoutObject.Allows us to | 197 m_localPoint; // A point in the local coordinate space of m_innerNode's l
ayoutObject. Allows us to efficiently |
| 204 // efficiently determine where inside the | 198 // determine where inside the layoutObject we hit on subsequent operations. |
| 205 // layoutObject we hit on subsequent operations. | |
| 206 Member<Element> m_innerURLElement; | 199 Member<Element> m_innerURLElement; |
| 207 Member<Scrollbar> m_scrollbar; | 200 Member<Scrollbar> m_scrollbar; |
| 208 bool m_isOverWidget; // Returns true if we are over a widget (and not in the | 201 bool |
| 209 // border/padding area of a LayoutPart for example). | 202 m_isOverWidget; // Returns true if we are over a widget (and not in the b
order/padding area of a LayoutPart for example). |
| 210 | 203 |
| 211 mutable Member<NodeSet> m_listBasedTestResult; | 204 mutable Member<NodeSet> m_listBasedTestResult; |
| 212 }; | 205 }; |
| 213 | 206 |
| 214 } // namespace blink | 207 } // namespace blink |
| 215 | 208 |
| 216 WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(blink::HitTestResult); | 209 WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(blink::HitTestResult); |
| 217 | 210 |
| 218 #endif // HitTestResult_h | 211 #endif // HitTestResult_h |
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