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1 /*
2  * Copyright (C) 2006 Apple Computer, Inc.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB.  If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  *
19 */
20 #ifndef HitTestResult_h
21 #define HitTestResult_h
22 
23 #include "IntPoint.h"
24 #include "TextDirection.h"
25 #include <wtf/RefPtr.h>
26 
27 namespace WebCore {
28 
29 class Element;
30 class Frame;
31 class Image;
32 class IntRect;
33 class KURL;
34 class Node;
35 class Scrollbar;
36 class String;
37 
38 class HitTestResult {
39 public:
40     HitTestResult(const IntPoint&);
41     HitTestResult(const HitTestResult&);
42     ~HitTestResult();
43     HitTestResult& operator=(const HitTestResult&);
44 
innerNode()45     Node* innerNode() const { return m_innerNode.get(); }
innerNonSharedNode()46     Node* innerNonSharedNode() const { return m_innerNonSharedNode.get(); }
point()47     IntPoint point() const { return m_point; }
localPoint()48     IntPoint localPoint() const { return m_localPoint; }
URLElement()49     Element* URLElement() const { return m_innerURLElement.get(); }
scrollbar()50     Scrollbar* scrollbar() const { return m_scrollbar.get(); }
isOverWidget()51     bool isOverWidget() const { return m_isOverWidget; }
52 
53     void setToNonShadowAncestor();
54 
55     void setInnerNode(Node*);
56     void setInnerNonSharedNode(Node*);
setPoint(const IntPoint & p)57     void setPoint(const IntPoint& p) { m_point = p; }
setLocalPoint(const IntPoint & p)58     void setLocalPoint(const IntPoint& p) { m_localPoint = p; }
59     void setURLElement(Element*);
60     void setScrollbar(Scrollbar*);
setIsOverWidget(bool b)61     void setIsOverWidget(bool b) { m_isOverWidget = b; }
62 
63     Frame* targetFrame() const;
64     bool isSelected() const;
65     String spellingToolTip(TextDirection&) const;
66     String replacedString() const;
67     String title(TextDirection&) const;
68     String altDisplayString() const;
69     String titleDisplayString() const;
70     Image* image() const;
71     IntRect imageRect() const;
72     KURL absoluteImageURL() const;
73     KURL absoluteMediaURL() const;
74     KURL absoluteLinkURL() const;
75     String textContent() const;
76     bool isLiveLink() const;
77     bool isContentEditable() const;
78 
79 private:
80     RefPtr<Node> m_innerNode;
81     RefPtr<Node> m_innerNonSharedNode;
82     IntPoint m_point;
83     IntPoint m_localPoint; // A point in the local coordinate space of m_innerNonSharedNode's renderer.  Allows us to efficiently
84                            // determine where inside the renderer we hit on subsequent operations.
85     RefPtr<Element> m_innerURLElement;
86     RefPtr<Scrollbar> m_scrollbar;
87     bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example).
88 };
89 
90 String displayString(const String&, const Node*);
91 
92 } // namespace WebCore
93 
94 #endif // HitTestResult_h
95