1/*
2 * Copyright (C) 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 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 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#include "config.h"
27#include "core/xml/XMLHttpRequestUpload.h"
28
29#include "core/events/Event.h"
30#include "core/xml/XMLHttpRequestProgressEvent.h"
31#include "wtf/Assertions.h"
32#include "wtf/text/AtomicString.h"
33
34namespace WebCore {
35
36XMLHttpRequestUpload::XMLHttpRequestUpload(XMLHttpRequest* xmlHttpRequest)
37    : m_xmlHttpRequest(xmlHttpRequest)
38    , m_lastBytesSent(0)
39    , m_lastTotalBytesToBeSent(0)
40{
41    ScriptWrappable::init(this);
42}
43
44const AtomicString& XMLHttpRequestUpload::interfaceName() const
45{
46    return EventTargetNames::XMLHttpRequestUpload;
47}
48
49ExecutionContext* XMLHttpRequestUpload::executionContext() const
50{
51    return m_xmlHttpRequest->executionContext();
52}
53
54void XMLHttpRequestUpload::dispatchProgressEvent(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
55{
56    m_lastBytesSent = bytesSent;
57    m_lastTotalBytesToBeSent = totalBytesToBeSent;
58    dispatchEvent(XMLHttpRequestProgressEvent::create(EventTypeNames::progress, true, bytesSent, totalBytesToBeSent));
59}
60
61void XMLHttpRequestUpload::dispatchEventAndLoadEnd(const AtomicString& type, bool lengthComputable, unsigned long long bytesSent, unsigned long long total)
62{
63    ASSERT(type == EventTypeNames::load || type == EventTypeNames::abort || type == EventTypeNames::error || type == EventTypeNames::timeout);
64    dispatchEvent(XMLHttpRequestProgressEvent::create(type, lengthComputable, bytesSent, total));
65    dispatchEvent(XMLHttpRequestProgressEvent::create(EventTypeNames::loadend, lengthComputable, bytesSent, total));
66}
67
68void XMLHttpRequestUpload::handleRequestError(const AtomicString& type)
69{
70    bool lengthComputable = m_lastTotalBytesToBeSent > 0 && m_lastBytesSent <= m_lastTotalBytesToBeSent;
71    dispatchEvent(XMLHttpRequestProgressEvent::create(EventTypeNames::progress, lengthComputable, m_lastBytesSent, m_lastTotalBytesToBeSent));
72    dispatchEventAndLoadEnd(type, lengthComputable, m_lastBytesSent, m_lastTotalBytesToBeSent);
73}
74
75void XMLHttpRequestUpload::trace(Visitor* visitor)
76{
77    visitor->trace(m_xmlHttpRequest);
78    XMLHttpRequestEventTarget::trace(visitor);
79}
80
81} // namespace WebCore
82