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