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97 lines
4.3 KiB
C++
97 lines
4.3 KiB
C++
/*
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* Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_EDITING_DELETESELECTIONCOMMAND_H_
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#define SKY_ENGINE_CORE_EDITING_DELETESELECTIONCOMMAND_H_
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#include "sky/engine/core/editing/CompositeEditCommand.h"
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namespace blink {
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class EditingStyle;
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class DeleteSelectionCommand final : public CompositeEditCommand {
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public:
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static PassRefPtr<DeleteSelectionCommand> create(Document& document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true)
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{
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return adoptRef(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup));
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}
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static PassRefPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true)
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{
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return adoptRef(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup));
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}
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private:
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DeleteSelectionCommand(Document&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool santizeMarkup);
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DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool sanitizeMarkup);
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virtual void doApply() override;
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virtual EditAction editingAction() const override;
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virtual bool preservesTypingStyle() const override;
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void initializeStartEnd(Position&, Position&);
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void setStartingSelectionOnSmartDelete(const Position&, const Position&);
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void initializePositionData();
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void saveTypingStyleState();
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void handleGeneralDelete();
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void fixupWhitespace();
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void mergeParagraphs();
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void calculateTypingStyleAfterDelete();
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void clearTransientState();
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void makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss();
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virtual void removeNode(PassRefPtr<Node>, ShouldAssumeContentIsAlwaysEditable = DoNotAssumeContentIsAlwaysEditable) override;
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virtual void deleteTextFromNode(PassRefPtr<Text>, unsigned, unsigned) override;
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void removeRedundantBlocks();
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bool m_hasSelectionToDelete;
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bool m_smartDelete;
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bool m_mergeBlocksAfterDelete;
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bool m_needPlaceholder;
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bool m_expandForSpecialElements;
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bool m_pruneStartBlockIfNecessary;
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bool m_startsAtEmptyLine;
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// This data is transient and should be cleared at the end of the doApply function.
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VisibleSelection m_selectionToDelete;
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Position m_upstreamStart;
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Position m_downstreamStart;
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Position m_upstreamEnd;
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Position m_downstreamEnd;
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Position m_endingPosition;
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Position m_leadingWhitespace;
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Position m_trailingWhitespace;
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RefPtr<Node> m_startBlock;
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RefPtr<Node> m_endBlock;
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RefPtr<EditingStyle> m_deleteIntoBlockquoteStyle;
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RefPtr<Element> m_startRoot;
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RefPtr<Element> m_endRoot;
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RefPtr<Node> m_temporaryPlaceholder;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_EDITING_DELETESELECTIONCOMMAND_H_
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