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      1 /*
      2  * Copyright (C) 2009 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 
     27 #ifndef CompositionEvent_h
     28 #define CompositionEvent_h
     29 
     30 #include "core/editing/CompositionUnderline.h"
     31 #include "core/events/UIEvent.h"
     32 
     33 namespace WebCore {
     34 
     35 struct CompositionEventInit : UIEventInit {
     36     CompositionEventInit();
     37 
     38     String data;
     39 };
     40 
     41 class CompositionEvent FINAL : public UIEvent {
     42 public:
     43     static PassRefPtrWillBeRawPtr<CompositionEvent> create()
     44     {
     45         return adoptRefWillBeNoop(new CompositionEvent);
     46     }
     47 
     48     static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data, const Vector<CompositionUnderline>& underlines)
     49     {
     50         return adoptRefWillBeNoop(new CompositionEvent(type, view, data, underlines));
     51     }
     52 
     53     static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, const CompositionEventInit& initializer)
     54     {
     55         return adoptRefWillBeNoop(new CompositionEvent(type, initializer));
     56     }
     57 
     58     virtual ~CompositionEvent();
     59 
     60     void initCompositionEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, const String& data);
     61 
     62     String data() const { return m_data; }
     63     int activeSegmentStart() const { return m_activeSegmentStart; }
     64     int activeSegmentEnd() const { return m_activeSegmentEnd; }
     65     const Vector<unsigned>& getSegments() const { return m_segments; }
     66 
     67     virtual const AtomicString& interfaceName() const OVERRIDE;
     68 
     69     virtual void trace(Visitor*) OVERRIDE;
     70 
     71 private:
     72     CompositionEvent();
     73     CompositionEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView>, const String&, const Vector<CompositionUnderline>& underlines);
     74     CompositionEvent(const AtomicString& type, const CompositionEventInit&);
     75     void initializeSegments(const Vector<CompositionUnderline>* = 0);
     76 
     77     String m_data;
     78     int m_activeSegmentStart;
     79     int m_activeSegmentEnd;
     80     Vector<unsigned> m_segments;
     81 };
     82 
     83 } // namespace WebCore
     84 
     85 #endif // CompositionEvent_h
     86