InsertParagraphSeparatorCommand.h revision cad810f21b803229eb11403f9209855525a25d57 
1/*
2 * Copyright (C) 2005, 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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef InsertParagraphSeparatorCommand_h
27#define InsertParagraphSeparatorCommand_h
28
29#include "CompositeEditCommand.h"
30
31namespace WebCore {
32
33class EditingStyle;
34
35class InsertParagraphSeparatorCommand : public CompositeEditCommand {
36public:
37    static PassRefPtr<InsertParagraphSeparatorCommand> create(Document* document, bool useDefaultParagraphElement = false)
38    {
39        return adoptRef(new InsertParagraphSeparatorCommand(document, useDefaultParagraphElement));
40    }
41
42private:
43    InsertParagraphSeparatorCommand(Document*, bool useDefaultParagraphElement);
44
45    virtual void doApply();
46
47    void calculateStyleBeforeInsertion(const Position&);
48    void applyStyleAfterInsertion(Node* originalEnclosingBlock);
49    void getAncestorsInsideBlock(const Node* insertionNode, Element* outerBlock, Vector<Element*>& ancestors);
50    PassRefPtr<Element> cloneHierarchyUnderNewBlock(const Vector<Element*>& ancestors, PassRefPtr<Element> blockToInsert);
51
52    bool shouldUseDefaultParagraphElement(Node*) const;
53
54    virtual bool preservesTypingStyle() const;
55
56    RefPtr<EditingStyle> m_style;
57
58    bool m_mustUseDefaultParagraphElement;
59};
60
61}
62
63#endif
64