1 /* 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef IndentOutdentCommand_h 27 #define IndentOutdentCommand_h 28 29 #include "CompositeEditCommand.h" 30 31 namespace WebCore { 32 33 class IndentOutdentCommand : public CompositeEditCommand { 34 public: 35 enum EIndentType { Indent, Outdent }; 36 static PassRefPtr<IndentOutdentCommand> create(Document* document, EIndentType type, int marginInPixels = 0) 37 { 38 return adoptRef(new IndentOutdentCommand(document, type, marginInPixels)); 39 } 40 preservesTypingStyle()41 virtual bool preservesTypingStyle() const { return true; } 42 43 private: 44 IndentOutdentCommand(Document*, EIndentType, int marginInPixels); 45 46 virtual void doApply(); editingAction()47 virtual EditAction editingAction() const { return m_typeOfAction == Indent ? EditActionIndent : EditActionOutdent; } 48 49 // FIXME: Does this belong in htmlediting.cpp? 50 bool isAtUnsplittableElement(const Position&) const; 51 void appendParagraphIntoNode(const VisiblePosition& start, const VisiblePosition& end, Node* newParent); 52 void removeUnnecessaryLineBreakAt(const Position& endOfParagraph); 53 54 void indentRegion(); 55 void outdentRegion(); 56 void outdentParagraph(); 57 bool tryIndentingAsListItem(const VisiblePosition&); 58 void indentIntoBlockquote(const VisiblePosition&, const VisiblePosition&, RefPtr<Element>& targetBlockquote, Node* nodeToSplitTo); 59 60 EIndentType m_typeOfAction; 61 int m_marginInPixels; 62 }; 63 64 } // namespace WebCore 65 66 #endif // IndentOutdentCommand_h 67