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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 #include "config.h"
     28 #include "core/events/CompositionEvent.h"
     29 
     30 namespace WebCore {
     31 
     32 CompositionEventInit::CompositionEventInit()
     33 {
     34 }
     35 
     36 CompositionEvent::CompositionEvent()
     37     : m_activeSegmentStart(0)
     38     , m_activeSegmentEnd(0)
     39 {
     40     ScriptWrappable::init(this);
     41     initializeSegments();
     42 }
     43 
     44 CompositionEvent::CompositionEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data, const Vector<CompositionUnderline>& underlines)
     45     : UIEvent(type, true, true, view, 0)
     46     , m_data(data)
     47     , m_activeSegmentStart(0)
     48     , m_activeSegmentEnd(0)
     49 {
     50     ScriptWrappable::init(this);
     51     initializeSegments(&underlines);
     52 }
     53 
     54 CompositionEvent::CompositionEvent(const AtomicString& type, const CompositionEventInit& initializer)
     55     : UIEvent(type, initializer)
     56     , m_data(initializer.data)
     57     , m_activeSegmentStart(0)
     58     , m_activeSegmentEnd(0)
     59 {
     60     ScriptWrappable::init(this);
     61     initializeSegments();
     62 }
     63 
     64 CompositionEvent::~CompositionEvent()
     65 {
     66 }
     67 
     68 void CompositionEvent::initCompositionEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data)
     69 {
     70     if (dispatched())
     71         return;
     72 
     73     initUIEvent(type, canBubble, cancelable, view, 0);
     74 
     75     m_data = data;
     76     initializeSegments();
     77 }
     78 
     79 void CompositionEvent::initializeSegments(const Vector<CompositionUnderline>* underlines)
     80 {
     81     m_activeSegmentStart = 0;
     82     m_activeSegmentEnd = m_data.length();
     83 
     84     if (!underlines || !underlines->size()) {
     85         m_segments.append(0);
     86         return;
     87     }
     88 
     89     for (size_t i = 0; i < underlines->size(); ++i) {
     90         if (underlines->at(i).thick) {
     91             m_activeSegmentStart = underlines->at(i).startOffset;
     92             m_activeSegmentEnd = underlines->at(i).endOffset;
     93             break;
     94         }
     95     }
     96 
     97     for (size_t i = 0; i < underlines->size(); ++i)
     98         m_segments.append(underlines->at(i).startOffset);
     99 }
    100 
    101 const AtomicString& CompositionEvent::interfaceName() const
    102 {
    103     return EventNames::CompositionEvent;
    104 }
    105 
    106 void CompositionEvent::trace(Visitor* visitor)
    107 {
    108     UIEvent::trace(visitor);
    109 }
    110 
    111 } // namespace WebCore
    112