1/*
2 * Copyright (C) 2012 Google 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer
12 *    in the documentation and/or other materials provided with the
13 *    distribution.
14 * 3. Neither the name of Google Inc. nor the names of its contributors
15 *    may be used to endorse or promote products derived from this
16 *    software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32
33#include "modules/mediastream/RTCSessionDescriptionRequestImpl.h"
34
35#include "modules/mediastream/RTCErrorCallback.h"
36#include "modules/mediastream/RTCPeerConnection.h"
37#include "modules/mediastream/RTCSessionDescription.h"
38#include "modules/mediastream/RTCSessionDescriptionCallback.h"
39#include "public/platform/WebRTCSessionDescription.h"
40#include "wtf/RefPtr.h"
41
42namespace blink {
43
44RTCSessionDescriptionRequestImpl* RTCSessionDescriptionRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCErrorCallback* errorCallback)
45{
46    RTCSessionDescriptionRequestImpl* request = new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback);
47    request->suspendIfNeeded();
48    return request;
49}
50
51RTCSessionDescriptionRequestImpl::RTCSessionDescriptionRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCErrorCallback* errorCallback)
52    : ActiveDOMObject(context)
53    , m_successCallback(successCallback)
54    , m_errorCallback(errorCallback)
55    , m_requester(requester)
56{
57    ASSERT(m_requester);
58}
59
60RTCSessionDescriptionRequestImpl::~RTCSessionDescriptionRequestImpl()
61{
62}
63
64void RTCSessionDescriptionRequestImpl::requestSucceeded(const WebRTCSessionDescription& webSessionDescription)
65{
66    bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
67    if (shouldFireCallback && m_successCallback)
68        m_successCallback->handleEvent(RTCSessionDescription::create(webSessionDescription));
69    clear();
70}
71
72void RTCSessionDescriptionRequestImpl::requestFailed(const String& error)
73{
74    bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
75    if (shouldFireCallback && m_errorCallback)
76        m_errorCallback->handleEvent(error);
77
78    clear();
79}
80
81void RTCSessionDescriptionRequestImpl::stop()
82{
83    clear();
84}
85
86void RTCSessionDescriptionRequestImpl::clear()
87{
88    m_successCallback.clear();
89    m_errorCallback.clear();
90    m_requester.clear();
91}
92
93void RTCSessionDescriptionRequestImpl::trace(Visitor* visitor)
94{
95    visitor->trace(m_successCallback);
96    visitor->trace(m_errorCallback);
97    visitor->trace(m_requester);
98    RTCSessionDescriptionRequest::trace(visitor);
99}
100
101} // namespace blink
102