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      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 
     31 namespace WebCore {
     32 
     33 class EditingStyle;
     34 
     35 class InsertParagraphSeparatorCommand : public CompositeEditCommand {
     36 public:
     37     static PassRefPtr<InsertParagraphSeparatorCommand> create(Document* document, bool useDefaultParagraphElement = false, bool pasteBlockqutoeIntoUnquotedArea = false)
     38     {
     39         return adoptRef(new InsertParagraphSeparatorCommand(document, useDefaultParagraphElement, pasteBlockqutoeIntoUnquotedArea));
     40     }
     41 
     42 private:
     43     InsertParagraphSeparatorCommand(Document*, bool useDefaultParagraphElement, bool pasteBlockqutoeIntoUnquotedArea);
     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<RefPtr<Element> >& ancestors);
     50     PassRefPtr<Element> cloneHierarchyUnderNewBlock(const Vector<RefPtr<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     bool m_pasteBlockqutoeIntoUnquotedArea;
     60 };
     61 
     62 }
     63 
     64 #endif
     65