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
27#include "modules/mediastream/RTCStatsRequestImpl.h"
28
29#include "core/platform/mediastream/RTCStatsRequest.h"
30#include "modules/mediastream/MediaStreamTrack.h"
31#include "modules/mediastream/RTCStatsCallback.h"
32#include "modules/mediastream/RTCStatsResponse.h"
33
34namespace WebCore {
35
36PassRefPtr<RTCStatsRequestImpl> RTCStatsRequestImpl::create(ScriptExecutionContext* context, PassRefPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
37{
38    RefPtr<RTCStatsRequestImpl> request = adoptRef(new RTCStatsRequestImpl(context, callback, selector));
39    request->suspendIfNeeded();
40    return request.release();
41}
42
43RTCStatsRequestImpl::RTCStatsRequestImpl(ScriptExecutionContext* context, PassRefPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
44    : ActiveDOMObject(context)
45    , m_successCallback(callback)
46    , m_stream(selector ? selector->component()->stream() : 0)
47    , m_component(selector ? selector->component() : 0)
48{
49}
50
51RTCStatsRequestImpl::~RTCStatsRequestImpl()
52{
53}
54
55PassRefPtr<RTCStatsResponseBase> RTCStatsRequestImpl::createResponse()
56{
57    return RTCStatsResponse::create();
58}
59
60bool RTCStatsRequestImpl::hasSelector()
61{
62    return m_stream;
63}
64
65MediaStreamDescriptor* RTCStatsRequestImpl::stream()
66{
67    return m_stream.get();
68}
69
70MediaStreamComponent* RTCStatsRequestImpl::component()
71{
72    return m_component.get();
73}
74
75void RTCStatsRequestImpl::requestSucceeded(PassRefPtr<RTCStatsResponseBase> response)
76{
77    if (!m_successCallback)
78        return;
79    m_successCallback->handleEvent(static_cast<RTCStatsResponse*>(response.get()));
80    clear();
81}
82
83void RTCStatsRequestImpl::stop()
84{
85    clear();
86}
87
88void RTCStatsRequestImpl::clear()
89{
90    m_successCallback.clear();
91}
92
93
94} // namespace WebCore
95