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26 #ifndef DeleteSelectionCommand_h
27 #define DeleteSelectionCommand_h
29 #include "core/editing/CompositeEditCommand.h"
35 class DeleteSelectionCommand FINAL : public CompositeEditCommand {
37 static PassRefPtr<DeleteSelectionCommand> create(Document& document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true)
39 return adoptRef(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup));
41 static PassRefPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true)
43 return adoptRef(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup));
47 DeleteSelectionCommand(Document&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool santizeMarkup);
48 DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool sanitizeMarkup);
50 virtual void doApply() OVERRIDE;
51 virtual EditAction editingAction() const OVERRIDE;
53 virtual bool preservesTypingStyle() const OVERRIDE;
55 void initializeStartEnd(Position&, Position&);
56 void setStartingSelectionOnSmartDelete(const Position&, const Position&);
57 void initializePositionData();
58 void saveTypingStyleState();
59 bool handleSpecialCaseBRDelete();
60 void handleGeneralDelete();
61 void fixupWhitespace();
62 void mergeParagraphs();
63 void removePreviouslySelectedEmptyTableRows();
64 void calculateTypingStyleAfterDelete();
65 void clearTransientState();
66 void makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss();
67 virtual void removeNode(PassRefPtr<Node>, ShouldAssumeContentIsAlwaysEditable = DoNotAssumeContentIsAlwaysEditable) OVERRIDE;
68 virtual void deleteTextFromNode(PassRefPtr<Text>, unsigned, unsigned) OVERRIDE;
69 void removeRedundantBlocks();
71 bool m_hasSelectionToDelete;
73 bool m_mergeBlocksAfterDelete;
74 bool m_needPlaceholder;
75 bool m_expandForSpecialElements;
76 bool m_pruneStartBlockIfNecessary;
77 bool m_startsAtEmptyLine;
78 bool m_sanitizeMarkup;
80 // This data is transient and should be cleared at the end of the doApply function.
81 VisibleSelection m_selectionToDelete;
82 Position m_upstreamStart;
83 Position m_downstreamStart;
84 Position m_upstreamEnd;
85 Position m_downstreamEnd;
86 Position m_endingPosition;
87 Position m_leadingWhitespace;
88 Position m_trailingWhitespace;
89 RefPtr<Node> m_startBlock;
90 RefPtr<Node> m_endBlock;
91 RefPtr<EditingStyle> m_typingStyle;
92 RefPtr<EditingStyle> m_deleteIntoBlockquoteStyle;
93 RefPtr<Node> m_startRoot;
94 RefPtr<Node> m_endRoot;
95 RefPtr<Node> m_startTableRow;
96 RefPtr<Node> m_endTableRow;
97 RefPtr<Node> m_temporaryPlaceholder;
100 } // namespace WebCore
102 #endif // DeleteSelectionCommand_h