| /* |
| * 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/CompositeEditCommand.h" |
| |
| namespace blink { |
| |
| class EditingStyle; |
| class HTMLTableRowElement; |
| |
| class DeleteSelectionCommand FINAL : public CompositeEditCommand { |
| public: |
| static PassRefPtrWillBeRawPtr<DeleteSelectionCommand> create(Document& document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true) |
| { |
| return adoptRefWillBeNoop(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup)); |
| } |
| static PassRefPtrWillBeRawPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool expandForSpecialElements = false, bool sanitizeMarkup = true) |
| { |
| return adoptRefWillBeNoop(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, expandForSpecialElements, sanitizeMarkup)); |
| } |
| |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| private: |
| DeleteSelectionCommand(Document&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool santizeMarkup); |
| DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool expandForSpecialElements, bool sanitizeMarkup); |
| |
| virtual void doApply() OVERRIDE; |
| virtual EditAction editingAction() const OVERRIDE; |
| |
| virtual bool preservesTypingStyle() const OVERRIDE; |
| |
| void initializeStartEnd(Position&, Position&); |
| void setStartingSelectionOnSmartDelete(const Position&, const Position&); |
| void initializePositionData(); |
| void saveTypingStyleState(); |
| bool handleSpecialCaseBRDelete(); |
| void handleGeneralDelete(); |
| void fixupWhitespace(); |
| void mergeParagraphs(); |
| void removePreviouslySelectedEmptyTableRows(); |
| void calculateTypingStyleAfterDelete(); |
| void clearTransientState(); |
| void makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss(); |
| virtual void removeNode(PassRefPtrWillBeRawPtr<Node>, ShouldAssumeContentIsAlwaysEditable = DoNotAssumeContentIsAlwaysEditable) OVERRIDE; |
| virtual void deleteTextFromNode(PassRefPtrWillBeRawPtr<Text>, unsigned, unsigned) OVERRIDE; |
| void removeRedundantBlocks(); |
| |
| bool m_hasSelectionToDelete; |
| bool m_smartDelete; |
| bool m_mergeBlocksAfterDelete; |
| bool m_needPlaceholder; |
| bool m_expandForSpecialElements; |
| bool m_pruneStartBlockIfNecessary; |
| bool m_startsAtEmptyLine; |
| bool m_sanitizeMarkup; |
| |
| // 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; |
| RefPtrWillBeMember<Node> m_startBlock; |
| RefPtrWillBeMember<Node> m_endBlock; |
| RefPtrWillBeMember<EditingStyle> m_typingStyle; |
| RefPtrWillBeMember<EditingStyle> m_deleteIntoBlockquoteStyle; |
| RefPtrWillBeMember<Element> m_startRoot; |
| RefPtrWillBeMember<Element> m_endRoot; |
| RefPtrWillBeMember<HTMLTableRowElement> m_startTableRow; |
| RefPtrWillBeMember<HTMLTableRowElement> m_endTableRow; |
| RefPtrWillBeMember<Node> m_temporaryPlaceholder; |
| }; |
| |
| } // namespace blink |
| |
| #endif // DeleteSelectionCommand_h |