diff options
Diffstat (limited to 'WebCore/editing/DeleteSelectionCommand.h')
-rw-r--r-- | WebCore/editing/DeleteSelectionCommand.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/WebCore/editing/DeleteSelectionCommand.h b/WebCore/editing/DeleteSelectionCommand.h new file mode 100644 index 0000000..7904ffa --- /dev/null +++ b/WebCore/editing/DeleteSelectionCommand.h @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2005, 2006 Apple Computer, 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 "CompositeEditCommand.h" + +namespace WebCore { + +class DeleteSelectionCommand : public CompositeEditCommand { +public: + DeleteSelectionCommand(Document*, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false); + DeleteSelectionCommand(const Selection&, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false); + + virtual void doApply(); + virtual EditAction editingAction() const; + +private: + virtual bool preservesTypingStyle() const; + + void initializeStartEnd(Position&, Position&); + void initializePositionData(); + void saveTypingStyleState(); + void saveFullySelectedAnchor(); + void insertPlaceholderForAncestorBlockContent(); + bool handleSpecialCaseBRDelete(); + void handleGeneralDelete(); + void fixupWhitespace(); + void mergeParagraphs(); + void removePreviouslySelectedEmptyTableRows(); + void calculateEndingPosition(); + void calculateTypingStyleAfterDelete(Node*); + void clearTransientState(); + virtual void removeNode(Node*); + virtual void deleteTextFromNode(Text*, int, int); + + bool m_hasSelectionToDelete; + bool m_smartDelete; + bool m_mergeBlocksAfterDelete; + bool m_needPlaceholder; + bool m_replace; + bool m_expandForSpecialElements; + + // This data is transient and should be cleared at the end of the doApply function. + Selection 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; +}; + +} // namespace WebCore + +#endif // DeleteSelectionCommand_h |