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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 blink {
     34 
     35 struct CompositionEventInit : UIEventInit {
     36     CompositionEventInit();
     37 
     38     String data;
     39 };
     40 
     41 class CompositionEvent FINAL : public UIEvent {
     42     DEFINE_WRAPPERTYPEINFO();
     43 public:
     44     static PassRefPtrWillBeRawPtr<CompositionEvent> create()
     45     {
     46         return adoptRefWillBeNoop(new CompositionEvent);
     47     }
     48 
     49     static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data, const Vector<CompositionUnderline>& underlines)
     50     {
     51         return adoptRefWillBeNoop(new CompositionEvent(type, view, data, underlines));
     52     }
     53 
     54     static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, const CompositionEventInit& initializer)
     55     {
     56         return adoptRefWillBeNoop(new CompositionEvent(type, initializer));
     57     }
     58 
     59     virtual ~CompositionEvent();
     60 
     61     void initCompositionEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, const String& data);
     62 
     63     String data() const { return m_data; }
     64     int activeSegmentStart() const { return m_activeSegmentStart; }
     65     int activeSegmentEnd() const { return m_activeSegmentEnd; }
     66     const Vector<unsigned>& getSegments() const { return m_segments; }
     67 
     68     virtual const AtomicString& interfaceName() const OVERRIDE;
     69 
     70     virtual void trace(Visitor*) OVERRIDE;
     71 
     72 private:
     73     CompositionEvent();
     74     CompositionEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView>, const String&, const Vector<CompositionUnderline>& underlines);
     75     CompositionEvent(const AtomicString& type, const CompositionEventInit&);
     76     void initializeSegments(const Vector<CompositionUnderline>* = 0);
     77 
     78     String m_data;
     79     int m_activeSegmentStart;
     80     int m_activeSegmentEnd;
     81     Vector<unsigned> m_segments;
     82 };
     83 
     84 } // namespace blink
     85 
     86 #endif // CompositionEvent_h
     87