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/*
* Copyright (C) 2006, 2010 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 ModifySelectionListLevel_h
#define ModifySelectionListLevel_h
#include "CompositeEditCommand.h"
namespace WebCore {
// ModifySelectionListLevelCommand provides functions useful for both increasing and decreasing the list level.
// It is the base class of IncreaseSelectionListLevelCommand and DecreaseSelectionListLevelCommand.
// It is not used on its own.
class ModifySelectionListLevelCommand : public CompositeEditCommand {
protected:
ModifySelectionListLevelCommand(Document*);
void appendSiblingNodeRange(Node* startNode, Node* endNode, Element* newParent);
void insertSiblingNodeRangeBefore(Node* startNode, Node* endNode, Node* refNode);
void insertSiblingNodeRangeAfter(Node* startNode, Node* endNode, Node* refNode);
private:
virtual bool preservesTypingStyle() const;
};
// IncreaseSelectionListLevelCommand moves the selected list items one level deeper.
class IncreaseSelectionListLevelCommand : public ModifySelectionListLevelCommand {
public:
static bool canIncreaseSelectionListLevel(Document*);
static PassRefPtr<Node> increaseSelectionListLevel(Document*);
static PassRefPtr<Node> increaseSelectionListLevelOrdered(Document*);
static PassRefPtr<Node> increaseSelectionListLevelUnordered(Document*);
private:
enum Type { InheritedListType, OrderedList, UnorderedList };
static PassRefPtr<Node> increaseSelectionListLevel(Document*, Type);
static PassRefPtr<IncreaseSelectionListLevelCommand> create(Document* document, Type type)
{
return adoptRef(new IncreaseSelectionListLevelCommand(document, type));
}
IncreaseSelectionListLevelCommand(Document*, Type);
virtual void doApply();
Type m_listType;
RefPtr<Node> m_listElement;
};
// DecreaseSelectionListLevelCommand moves the selected list items one level shallower.
class DecreaseSelectionListLevelCommand : public ModifySelectionListLevelCommand {
public:
static bool canDecreaseSelectionListLevel(Document*);
static void decreaseSelectionListLevel(Document*);
private:
static PassRefPtr<DecreaseSelectionListLevelCommand> create(Document* document)
{
return adoptRef(new DecreaseSelectionListLevelCommand(document));
}
DecreaseSelectionListLevelCommand(Document*);
virtual void doApply();
};
} // namespace WebCore
#endif // ModifySelectionListLevel_h
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