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31 #ifndef DOMSelection_h
32 #define DOMSelection_h
34 #include "DOMWindowProperty.h"
35 #include <wtf/Forward.h>
36 #include <wtf/PassRefPtr.h>
37 #include <wtf/RefCounted.h>
46 class VisibleSelection;
48 typedef int ExceptionCode;
50 class DOMSelection : public RefCounted<DOMSelection>, public DOMWindowProperty {
52 static PassRefPtr<DOMSelection> create(const TreeScope* treeScope) { return adoptRef(new DOMSelection(treeScope)); }
54 void clearTreeScope();
56 // Safari Selection Object API
57 // These methods return the valid equivalents of internal editing positions.
58 Node* baseNode() const;
59 Node* extentNode() const;
60 int baseOffset() const;
61 int extentOffset() const;
63 void setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionCode&);
64 void setPosition(Node*, int offset, ExceptionCode&);
65 void modify(const String& alter, const String& direction, const String& granularity);
67 // Mozilla Selection Object API
68 // In Firefox, anchor/focus are the equal to the start/end of the selection,
69 // but reflect the direction in which the selection was made by the user. That does
70 // not mean that they are base/extent, since the base/extent don't reflect
72 // These methods return the valid equivalents of internal editing positions.
73 Node* anchorNode() const;
74 int anchorOffset() const;
75 Node* focusNode() const;
76 int focusOffset() const;
77 bool isCollapsed() const;
78 int rangeCount() const;
79 void collapse(Node*, int offset, ExceptionCode&);
80 void collapseToEnd(ExceptionCode&);
81 void collapseToStart(ExceptionCode&);
82 void extend(Node*, int offset, ExceptionCode&);
83 PassRefPtr<Range> getRangeAt(int, ExceptionCode&);
84 void removeAllRanges();
85 void addRange(Range*);
86 void deleteFromDocument();
87 bool containsNode(const Node*, bool partlyContained) const;
88 void selectAllChildren(Node*, ExceptionCode&);
92 // Microsoft Selection Object API
96 const TreeScope* m_treeScope;
98 explicit DOMSelection(const TreeScope*);
100 // Convenience method for accessors, does not NULL check m_frame.
101 const VisibleSelection& visibleSelection() const;
103 Node* shadowAdjustedNode(const Position&) const;
104 int shadowAdjustedOffset(const Position&) const;
106 bool isValidForPosition(Node*) const;
109 } // namespace WebCore
111 #endif // DOMSelection_h