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31 #ifndef DOMSelection_h
32 #define DOMSelection_h
34 #include "bindings/core/v8/ScriptWrappable.h"
35 #include "core/frame/DOMWindowProperty.h"
36 #include "platform/heap/Handle.h"
37 #include "wtf/Forward.h"
38 #include "wtf/PassRefPtr.h"
39 #include "wtf/RefCounted.h"
49 class VisibleSelection;
51 class DOMSelection FINAL : public RefCountedWillBeGarbageCollectedFinalized<DOMSelection>, public ScriptWrappable, public DOMWindowProperty {
53 static PassRefPtrWillBeRawPtr<DOMSelection> create(const TreeScope* treeScope)
55 return adoptRefWillBeNoop(new DOMSelection(treeScope));
58 void clearTreeScope();
60 // Safari Selection Object API
61 // These methods return the valid equivalents of internal editing positions.
62 Node* baseNode() const;
63 int baseOffset() const;
64 Node* extentNode() const;
65 int extentOffset() const;
67 void setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState&);
68 void modify(const String& alter, const String& direction, const String& granularity);
70 // Mozilla Selection Object API
71 // In Firefox, anchor/focus are the equal to the start/end of the selection,
72 // but reflect the direction in which the selection was made by the user. That does
73 // not mean that they are base/extent, since the base/extent don't reflect
75 // These methods return the valid equivalents of internal editing positions.
76 Node* anchorNode() const;
77 int anchorOffset() const;
78 Node* focusNode() const;
79 int focusOffset() const;
80 bool isCollapsed() const;
81 int rangeCount() const;
82 void collapse(Node*, int offset, ExceptionState&);
83 void collapse(Node*, ExceptionState&);
84 void collapseToEnd(ExceptionState&);
85 void collapseToStart(ExceptionState&);
86 void extend(Node*, int offset, ExceptionState&);
87 void extend(Node*, ExceptionState&);
88 PassRefPtrWillBeRawPtr<Range> getRangeAt(int, ExceptionState&);
89 void removeAllRanges();
90 void addRange(Range*);
91 void deleteFromDocument();
92 bool containsNode(const Node*, bool partlyContained) const;
93 void selectAllChildren(Node*, ExceptionState&);
97 // Microsoft Selection Object API
100 void trace(Visitor* visitor) { visitor->trace(m_treeScope); }
103 explicit DOMSelection(const TreeScope*);
105 // Convenience method for accessors, does not check m_frame present.
106 const VisibleSelection& visibleSelection() const;
108 Node* shadowAdjustedNode(const Position&) const;
109 int shadowAdjustedOffset(const Position&) const;
111 bool isValidForPosition(Node*) const;
113 void addConsoleError(const String& message);
115 RawPtrWillBeMember<const TreeScope> m_treeScope;
120 #endif // DOMSelection_h