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/*
* Copyright (C) 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 IndentOutdentCommand_h
#define IndentOutdentCommand_h
#include "CompositeEditCommand.h"
namespace WebCore {
class IndentOutdentCommand : public CompositeEditCommand {
public:
enum EIndentType { Indent, Outdent };
static PassRefPtr<IndentOutdentCommand> create(Document* document, EIndentType type, int marginInPixels = 0)
{
return adoptRef(new IndentOutdentCommand(document, type, marginInPixels));
}
virtual bool preservesTypingStyle() const { return true; }
private:
IndentOutdentCommand(Document*, EIndentType, int marginInPixels);
virtual void doApply();
virtual EditAction editingAction() const { return m_typeOfAction == Indent ? EditActionIndent : EditActionOutdent; }
void appendParagraphIntoNode(const VisiblePosition& start, const VisiblePosition& end, Node* newParent);
void removeUnnecessaryLineBreakAt(const Position& endOfParagraph);
void indentRegion();
void outdentRegion();
void outdentParagraph();
bool tryIndentingAsListItem(const VisiblePosition&);
void indentIntoBlockquote(const VisiblePosition&, const VisiblePosition&, RefPtr<Element>& targetBlockquote, Node* nodeToSplitTo);
EIndentType m_typeOfAction;
int m_marginInPixels;
};
} // namespace WebCore
#endif // IndentOutdentCommand_h
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