DeleteSelectionCommand.h [plain text]
#ifndef DeleteSelectionCommand_h
#define DeleteSelectionCommand_h
#include "CompositeEditCommand.h"
namespace WebCore {
class DeleteSelectionCommand : public CompositeEditCommand {
public:
static PassRefPtr<DeleteSelectionCommand> create(Document* document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
{
return adoptRef(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
}
static PassRefPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
{
return adoptRef(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
}
private:
DeleteSelectionCommand(Document*, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
virtual void doApply();
virtual EditAction editingAction() const;
virtual bool preservesTypingStyle() const;
void initializeStartEnd(Position&, Position&);
void initializePositionData();
void saveTypingStyleState();
void insertPlaceholderForAncestorBlockContent();
bool handleSpecialCaseBRDelete();
void handleGeneralDelete();
void fixupWhitespace();
void mergeParagraphs();
void removePreviouslySelectedEmptyTableRows();
void calculateEndingPosition();
void calculateTypingStyleAfterDelete();
void clearTransientState();
virtual void removeNode(PassRefPtr<Node>);
virtual void deleteTextFromNode(PassRefPtr<Text>, unsigned, unsigned);
bool m_hasSelectionToDelete;
bool m_smartDelete;
bool m_mergeBlocksAfterDelete;
bool m_needPlaceholder;
bool m_replace;
bool m_expandForSpecialElements;
bool m_pruneStartBlockIfNecessary;
bool m_startsAtEmptyLine;
VisibleSelection m_selectionToDelete;
Position m_upstreamStart;
Position m_downstreamStart;
Position m_upstreamEnd;
Position m_downstreamEnd;
Position m_endingPosition;
Position m_leadingWhitespace;
Position m_trailingWhitespace;
RefPtr<Node> m_startBlock;
RefPtr<Node> m_endBlock;
RefPtr<CSSMutableStyleDeclaration> m_typingStyle;
RefPtr<CSSMutableStyleDeclaration> m_deleteIntoBlockquoteStyle;
RefPtr<Node> m_startRoot;
RefPtr<Node> m_endRoot;
RefPtr<Node> m_startTableRow;
RefPtr<Node> m_endTableRow;
RefPtr<Node> m_temporaryPlaceholder;
};
}
#endif // DeleteSelectionCommand_h