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Side by Side Diff: Source/core/layout/HitTestResult.h

Issue 869813003: Implement elementsFromPoint (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Cleanup, add a better test for tables Created 5 years, 10 months ago
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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,
(...skipping 99 matching lines...) Expand 10 before | Expand all | Expand 10 after
110 IntRect imageRect() const; 110 IntRect imageRect() const;
111 KURL absoluteImageURL() const; 111 KURL absoluteImageURL() const;
112 KURL absoluteMediaURL() const; 112 KURL absoluteMediaURL() const;
113 KURL absoluteLinkURL() const; 113 KURL absoluteLinkURL() const;
114 String textContent() const; 114 String textContent() const;
115 bool isLiveLink() const; 115 bool isLiveLink() const;
116 bool isMisspelled() const; 116 bool isMisspelled() const;
117 bool isContentEditable() const; 117 bool isContentEditable() const;
118 118
119 bool isOverLink() const; 119 bool isOverLink() const;
120 // Returns true if it is rect-based hit test and needs to continue until the rect is fully
121 // enclosed by the boundaries of a node.
122 bool addNodeToRectBasedTestResult(Node*, const HitTestRequest&, const HitTes tLocation& pointInContainer, const LayoutRect& = LayoutRect());
123 bool addNodeToRectBasedTestResult(Node*, const HitTestRequest&, const HitTes tLocation& pointInContainer, const FloatRect&);
124 void append(const HitTestResult&);
125 120
126 // If m_rectBasedTestResult is 0 then set it to a new NodeSet. Return *m_rec tBasedTestResult. Lazy allocation makes 121 // Return true if the test is a list-based test and we should continue testi ng.
122 bool addNodeToListBasedTestResult(Node*, const HitTestRequest&, const HitTes tLocation& pointInContainer, const LayoutRect& = LayoutRect());
123 bool addNodeToListBasedTestResult(Node*, const HitTestRequest&, const HitTes tLocation& pointInContainer, const FloatRect&);
124 void append(const HitTestResult&, const HitTestRequest&);
125
126 // If m_listBasedTestResult is 0 then set it to a new NodeSet. Return *m_lis tBasedTestResult. Lazy allocation makes
127 // sense because the NodeSet is seldom necessary, and it's somewhat expensiv e to allocate and initialize. This method does 127 // sense because the NodeSet is seldom necessary, and it's somewhat expensiv e to allocate and initialize. This method does
128 // the same thing as mutableRectBasedTestResult(), but here the return value is const. 128 // the same thing as mutableListBasedTestResult(), but here the return value is const.
129 const NodeSet& rectBasedTestResult() const; 129 const NodeSet& listBasedTestResult() const;
130 130
131 // Collapse the rect-based test result into a single target at the specified location. 131 // Collapse the rect-based test result into a single target at the specified location.
132 void resolveRectBasedTest(Node* resolvedInnerNode, const LayoutPoint& resolv edPointInMainFrame); 132 void resolveRectBasedTest(Node* resolvedInnerNode, const LayoutPoint& resolv edPointInMainFrame);
133 133
134 private: 134 private:
135 NodeSet& mutableRectBasedTestResult(); // See above. 135 NodeSet& mutableListBasedTestResult(); // See above.
136 HTMLMediaElement* mediaElement() const; 136 HTMLMediaElement* mediaElement() const;
137 137
138 HitTestLocation m_hitTestLocation; 138 HitTestLocation m_hitTestLocation;
139 139
140 RefPtrWillBeMember<Node> m_innerNode; 140 RefPtrWillBeMember<Node> m_innerNode;
141 RefPtrWillBeMember<Node> m_innerPossiblyPseudoNode; 141 RefPtrWillBeMember<Node> m_innerPossiblyPseudoNode;
142 RefPtrWillBeMember<Node> m_innerNonSharedNode; 142 RefPtrWillBeMember<Node> m_innerNonSharedNode;
143 // FIXME: Nothing changes this to a value different from m_hitTestLocation! 143 // FIXME: Nothing changes this to a value different from m_hitTestLocation!
144 LayoutPoint m_pointInInnerNodeFrame; // The hit-tested point in innerNode fr ame coordinates. 144 LayoutPoint m_pointInInnerNodeFrame; // The hit-tested point in innerNode fr ame coordinates.
145 LayoutPoint m_localPoint; // A point in the local coordinate space of m_inne rNonSharedNode's renderer. Allows us to efficiently 145 LayoutPoint m_localPoint; // A point in the local coordinate space of m_inne rNonSharedNode's renderer. Allows us to efficiently
146 // determine where inside the renderer we hit on subsequent operations. 146 // determine where inside the renderer we hit on subsequent operations.
147 RefPtrWillBeMember<Element> m_innerURLElement; 147 RefPtrWillBeMember<Element> m_innerURLElement;
148 RefPtrWillBeMember<Scrollbar> m_scrollbar; 148 RefPtrWillBeMember<Scrollbar> m_scrollbar;
149 bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a LayoutPart for example). 149 bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a LayoutPart for example).
150 150
151 mutable OwnPtrWillBeMember<NodeSet> m_rectBasedTestResult; 151 mutable OwnPtrWillBeMember<NodeSet> m_listBasedTestResult;
152 }; 152 };
153 153
154 } // namespace blink 154 } // namespace blink
155 155
156 #endif // HitTestResult_h 156 #endif // HitTestResult_h
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