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
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 InsertParagraphSeparatorCommand_h
27#define InsertParagraphSeparatorCommand_h
28
29#include "core/editing/CompositeEditCommand.h"
30
31namespace blink {
32
33class EditingStyle;
34
35class InsertParagraphSeparatorCommand FINAL : public CompositeEditCommand {
36public:
37    static PassRefPtrWillBeRawPtr<InsertParagraphSeparatorCommand> create(Document& document, bool useDefaultParagraphElement = false, bool pasteBlockquoteIntoUnquotedArea = false)
38    {
39        return adoptRefWillBeNoop(new InsertParagraphSeparatorCommand(document, useDefaultParagraphElement, pasteBlockquoteIntoUnquotedArea));
40    }
41
42    virtual void trace(Visitor*) OVERRIDE;
43
44private:
45    InsertParagraphSeparatorCommand(Document&, bool useDefaultParagraphElement, bool pasteBlockquoteIntoUnquotedArea);
46
47    virtual void doApply() OVERRIDE;
48
49    void calculateStyleBeforeInsertion(const Position&);
50    void applyStyleAfterInsertion(Element* originalEnclosingBlock);
51    void getAncestorsInsideBlock(const Node* insertionNode, Element* outerBlock, WillBeHeapVector<RefPtrWillBeMember<Element> >& ancestors);
52    PassRefPtrWillBeRawPtr<Element> cloneHierarchyUnderNewBlock(const WillBeHeapVector<RefPtrWillBeMember<Element> >& ancestors, PassRefPtrWillBeRawPtr<Element> blockToInsert);
53
54    bool shouldUseDefaultParagraphElement(Element*) const;
55
56    virtual bool preservesTypingStyle() const OVERRIDE;
57
58    RefPtrWillBeMember<EditingStyle> m_style;
59
60    bool m_mustUseDefaultParagraphElement;
61    bool m_pasteBlockquoteIntoUnquotedArea;
62};
63
64}
65
66#endif
67