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      1 /*
      2  * Copyright (C) 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 InsertListCommand_h
     27 #define InsertListCommand_h
     28 
     29 #include "core/editing/CompositeEditCommand.h"
     30 
     31 namespace blink {
     32 
     33 class HTMLElement;
     34 class HTMLUListElement;
     35 
     36 class InsertListCommand FINAL : public CompositeEditCommand {
     37 public:
     38     enum Type { OrderedList, UnorderedList };
     39 
     40     static PassRefPtrWillBeRawPtr<InsertListCommand> create(Document& document, Type listType)
     41     {
     42         return adoptRefWillBeNoop(new InsertListCommand(document, listType));
     43     }
     44 
     45     virtual bool preservesTypingStyle() const OVERRIDE { return true; }
     46 
     47     virtual void trace(Visitor*) OVERRIDE;
     48 
     49 private:
     50     InsertListCommand(Document&, Type);
     51 
     52     virtual void doApply() OVERRIDE;
     53     virtual EditAction editingAction() const OVERRIDE { return EditActionInsertList; }
     54 
     55     HTMLUListElement* fixOrphanedListChild(Node*);
     56     bool selectionHasListOfType(const VisibleSelection&, const HTMLQualifiedName&);
     57     PassRefPtrWillBeRawPtr<HTMLElement> mergeWithNeighboringLists(PassRefPtrWillBeRawPtr<HTMLElement>);
     58     void doApplyForSingleParagraph(bool forceCreateList, const HTMLQualifiedName&, Range& currentSelection);
     59     void unlistifyParagraph(const VisiblePosition& originalStart, HTMLElement* listNode, Node* listChildNode);
     60     PassRefPtrWillBeRawPtr<HTMLElement> listifyParagraph(const VisiblePosition& originalStart, const HTMLQualifiedName& listTag);
     61 
     62     RefPtrWillBeMember<HTMLElement> m_listElement;
     63     Type m_type;
     64 };
     65 
     66 } // namespace blink
     67 
     68 #endif // InsertListCommand_h
     69