DeleteSelectionCommand.h [plain text]
#pragma once
#include "CompositeEditCommand.h"
namespace WebCore {
class EditingStyle;
class DeleteSelectionCommand : public CompositeEditCommand {
public:
static Ref<DeleteSelectionCommand> create(Document& document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false, bool sanitizeMarkup = true, EditAction editingAction = EditAction::Delete)
{
return adoptRef(*new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements, sanitizeMarkup, editingAction));
}
static Ref<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false, bool sanitizeMarkup = true, EditAction editingAction = EditAction::Delete)
{
return adoptRef(*new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements, sanitizeMarkup, editingAction));
}
protected:
DeleteSelectionCommand(Document&, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements, bool santizeMarkup, EditAction = EditAction::Delete);
private:
DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements, bool sanitizeMarkup, EditAction);
void doApply() override;
bool preservesTypingStyle() const override;
void initializeStartEnd(Position&, Position&);
void setStartingSelectionOnSmartDelete(const Position&, const Position&);
bool initializePositionData();
void saveTypingStyleState();
void insertPlaceholderForAncestorBlockContent();
bool handleSpecialCaseBRDelete();
void handleGeneralDelete();
void fixupWhitespace();
void mergeParagraphs();
void removePreviouslySelectedEmptyTableRows();
void calculateEndingPosition();
void calculateTypingStyleAfterDelete();
void clearTransientState();
void makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss();
void removeNode(Node&, ShouldAssumeContentIsAlwaysEditable = DoNotAssumeContentIsAlwaysEditable) override;
void deleteTextFromNode(Text&, unsigned, unsigned) override;
void removeRedundantBlocks();
bool shouldSmartDeleteParagraphSpacers();
void smartDeleteParagraphSpacers();
String originalStringForAutocorrectionAtBeginningOfSelection();
void removeNodeUpdatingStates(Node&, ShouldAssumeContentIsAlwaysEditable);
void insertBlockPlaceholderForTableCellIfNeeded(Element&);
bool m_hasSelectionToDelete;
bool m_smartDelete;
bool m_mergeBlocksAfterDelete;
bool m_needPlaceholder;
bool m_replace;
bool m_expandForSpecialElements;
bool m_pruneStartBlockIfNecessary;
bool m_startsAtEmptyLine;
bool m_sanitizeMarkup;
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<EditingStyle> m_typingStyle;
RefPtr<EditingStyle> m_deleteIntoBlockquoteStyle;
RefPtr<Node> m_startRoot;
RefPtr<Node> m_endRoot;
RefPtr<Node> m_startTableRow;
RefPtr<Node> m_endTableRow;
RefPtr<Node> m_temporaryPlaceholder;
};
}