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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"
48 class VisibleSelection;
50 class DOMSelection final : public RefCountedWillBeGarbageCollected<DOMSelection>, public ScriptWrappable, public DOMWindowProperty {
51 DEFINE_WRAPPERTYPEINFO();
52 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMSelection);
54 static PassRefPtrWillBeRawPtr<DOMSelection> create(const TreeScope* treeScope)
56 return adoptRefWillBeNoop(new DOMSelection(treeScope));
59 void clearTreeScope();
61 // Safari Selection Object API
62 // These methods return the valid equivalents of internal editing positions.
63 Node* baseNode() const;
64 int baseOffset() const;
65 Node* extentNode() const;
66 int extentOffset() const;
68 void setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState&);
69 void modify(const String& alter, const String& direction, const String& granularity);
71 // Mozilla Selection Object API
72 // In Firefox, anchor/focus are the equal to the start/end of the selection,
73 // but reflect the direction in which the selection was made by the user. That does
74 // not mean that they are base/extent, since the base/extent don't reflect
76 // These methods return the valid equivalents of internal editing positions.
77 Node* anchorNode() const;
78 int anchorOffset() const;
79 Node* focusNode() const;
80 int focusOffset() const;
81 bool isCollapsed() const;
82 int rangeCount() const;
83 void collapse(Node*, int offset, ExceptionState&);
84 void collapseToEnd(ExceptionState&);
85 void collapseToStart(ExceptionState&);
86 void extend(Node*, int offset, ExceptionState&);
87 PassRefPtrWillBeRawPtr<Range> getRangeAt(int, ExceptionState&);
88 void removeAllRanges();
89 void addRange(Range*);
90 void deleteFromDocument();
91 bool containsNode(const Node*, bool partlyContained) const;
92 void selectAllChildren(Node*, ExceptionState&);
96 // Microsoft Selection Object API
99 virtual void trace(Visitor*) override;
102 explicit DOMSelection(const TreeScope*);
104 // Convenience method for accessors, does not check m_frame present.
105 const VisibleSelection& visibleSelection() const;
107 Node* shadowAdjustedNode(const Position&) const;
108 int shadowAdjustedOffset(const Position&) const;
110 bool isValidForPosition(Node*) const;
112 void addConsoleError(const String& message);
114 RawPtrWillBeMember<const TreeScope> m_treeScope;
119 #endif // DOMSelection_h