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 * 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. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "config.h"
26#include "modules/mediastream/RTCStatsRequestImpl.h"
27
28#include "modules/mediastream/MediaStreamTrack.h"
29#include "modules/mediastream/RTCPeerConnection.h"
30#include "modules/mediastream/RTCStatsCallback.h"
31
32namespace blink {
33
34RTCStatsRequestImpl* RTCStatsRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector)
35{
36    RTCStatsRequestImpl* request = new RTCStatsRequestImpl(context, requester, callback, selector);
37    request->suspendIfNeeded();
38    return request;
39}
40
41RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector)
42    : ActiveDOMObject(context)
43    , m_successCallback(callback)
44    , m_component(selector ? selector->component() : 0)
45    , m_requester(requester)
46{
47    ASSERT(m_requester);
48}
49
50RTCStatsRequestImpl::~RTCStatsRequestImpl()
51{
52}
53
54RTCStatsResponseBase* RTCStatsRequestImpl::createResponse()
55{
56    return RTCStatsResponse::create();
57}
58
59bool RTCStatsRequestImpl::hasSelector()
60{
61    return m_component;
62}
63
64MediaStreamComponent* RTCStatsRequestImpl::component()
65{
66    return m_component.get();
67}
68
69void RTCStatsRequestImpl::requestSucceeded(RTCStatsResponseBase* response)
70{
71    bool shouldFireCallback = m_requester ? m_requester->shouldFireGetStatsCallback() : false;
72    if (shouldFireCallback && m_successCallback)
73        m_successCallback->handleEvent(static_cast<RTCStatsResponse*>(response));
74    clear();
75}
76
77void RTCStatsRequestImpl::stop()
78{
79    clear();
80}
81
82void RTCStatsRequestImpl::clear()
83{
84    m_successCallback.clear();
85    m_requester.clear();
86}
87
88void RTCStatsRequestImpl::trace(Visitor* visitor)
89{
90    visitor->trace(m_successCallback);
91    visitor->trace(m_requester);
92    RTCStatsRequest::trace(visitor);
93}
94
95} // namespace blink
96