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/*
* Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DeleteSelectionCommand_h
#define DeleteSelectionCommand_h
#include "core/editing/commands/CompositeEditCommand.h"
namespace blink {
class EditingStyle;
class HTMLTableRowElement;
class CORE_EXPORT DeleteSelectionCommand final : public CompositeEditCommand {
public:
static DeleteSelectionCommand* create(
Document& document,
bool smartDelete = false,
bool mergeBlocksAfterDelete = true,
bool expandForSpecialElements = false,
bool sanitizeMarkup = true,
InputEvent::InputType inputType = InputEvent::InputType::None,
const Position& referenceMovePosition = Position()) {
return new DeleteSelectionCommand(
document, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements,
sanitizeMarkup, inputType, referenceMovePosition);
}
static DeleteSelectionCommand* create(
const VisibleSelection& selection,
bool smartDelete = false,
bool mergeBlocksAfterDelete = true,
bool expandForSpecialElements = false,
bool sanitizeMarkup = true,
InputEvent::InputType inputType = InputEvent::InputType::None) {
return new DeleteSelectionCommand(
selection, smartDelete, mergeBlocksAfterDelete,
expandForSpecialElements, sanitizeMarkup, inputType);
}
DECLARE_VIRTUAL_TRACE();
private:
DeleteSelectionCommand(Document&,
bool smartDelete,
bool mergeBlocksAfterDelete,
bool expandForSpecialElements,
bool santizeMarkup,
InputEvent::InputType,
const Position& referenceMovePosition);
DeleteSelectionCommand(const VisibleSelection&,
bool smartDelete,
bool mergeBlocksAfterDelete,
bool expandForSpecialElements,
bool sanitizeMarkup,
InputEvent::InputType);
void doApply(EditingState*) override;
InputEvent::InputType inputType() const override;
bool preservesTypingStyle() const override;
void initializeStartEnd(Position&, Position&);
void setStartingSelectionOnSmartDelete(const Position&, const Position&);
void initializePositionData(EditingState*);
void saveTypingStyleState();
bool handleSpecialCaseBRDelete(EditingState*);
void handleGeneralDelete(EditingState*);
void fixupWhitespace();
void mergeParagraphs(EditingState*);
void removePreviouslySelectedEmptyTableRows(EditingState*);
void calculateTypingStyleAfterDelete();
void clearTransientState();
void makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss(
EditingState*);
void removeNode(Node*,
EditingState*,
ShouldAssumeContentIsAlwaysEditable =
DoNotAssumeContentIsAlwaysEditable) override;
void deleteTextFromNode(Text*, unsigned, unsigned) override;
void removeRedundantBlocks(EditingState*);
bool m_hasSelectionToDelete;
bool m_smartDelete;
bool m_mergeBlocksAfterDelete;
bool m_needPlaceholder;
bool m_expandForSpecialElements;
bool m_pruneStartBlockIfNecessary;
bool m_startsAtEmptyLine;
bool m_sanitizeMarkup;
InputEvent::InputType m_inputType;
// This data is transient and should be cleared at the end of the doApply
// function.
VisibleSelection m_selectionToDelete;
Position m_upstreamStart;
Position m_downstreamStart;
Position m_upstreamEnd;
Position m_downstreamEnd;
Position m_endingPosition;
Position m_leadingWhitespace;
Position m_trailingWhitespace;
Position m_referenceMovePosition;
Member<Node> m_startBlock;
Member<Node> m_endBlock;
Member<EditingStyle> m_typingStyle;
Member<EditingStyle> m_deleteIntoBlockquoteStyle;
Member<Element> m_startRoot;
Member<Element> m_endRoot;
Member<HTMLTableRowElement> m_startTableRow;
Member<HTMLTableRowElement> m_endTableRow;
Member<Node> m_temporaryPlaceholder;
};
} // namespace blink
#endif // DeleteSelectionCommand_h
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