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 "ApplyBlockElementCommand.h" 30 #include "CompositeEditCommand.h" 31 32 namespace WebCore { 33 34 class IndentOutdentCommand : public ApplyBlockElementCommand { 35 public: 36 enum EIndentType { Indent, Outdent }; 37 static PassRefPtr<IndentOutdentCommand> create(Document* document, EIndentType type, int marginInPixels = 0) 38 { 39 return adoptRef(new IndentOutdentCommand(document, type, marginInPixels)); 40 } 41 42 virtual bool preservesTypingStyle() const { return true; } 43 44 private: 45 IndentOutdentCommand(Document*, EIndentType, int marginInPixels); 46 47 virtual EditAction editingAction() const { return m_typeOfAction == Indent ? EditActionIndent : EditActionOutdent; } 48 49 void indentRegion(const VisiblePosition&, const VisiblePosition&); 50 void outdentRegion(const VisiblePosition&, const VisiblePosition&); 51 void outdentParagraph(); 52 bool tryIndentingAsListItem(const Position&, const Position&); 53 void indentIntoBlockquote(const Position&, const Position&, RefPtr<Element>&); 54 55 void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection); 56 void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtr<Element>& blockquoteForNextIndent); 57 58 EIndentType m_typeOfAction; 59 int m_marginInPixels; 60 }; 61 62 } // namespace WebCore 63 64 #endif // IndentOutdentCommand_h 65
