1 /*
2 * Copyright (C) 2013 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 GOOGLE 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 GOOGLE 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 "modules/mediastream/MediaStreamTrackSourcesRequestImpl.h"
28
29 #include "core/dom/CrossThreadTask.h"
30 #include "core/dom/ExecutionContext.h"
31 #include "modules/mediastream/MediaStreamTrackSourcesCallback.h"
32 #include "platform/weborigin/SecurityOrigin.h"
33 #include "public/platform/WebSourceInfo.h"
34 #include "wtf/Functional.h"
35 #include "wtf/PassOwnPtr.h"
36
37 namespace blink {
38
create(ExecutionContext & context,MediaStreamTrackSourcesCallback * callback)39 MediaStreamTrackSourcesRequestImpl* MediaStreamTrackSourcesRequestImpl::create(ExecutionContext& context, MediaStreamTrackSourcesCallback* callback)
40 {
41 return new MediaStreamTrackSourcesRequestImpl(context, callback);
42 }
43
MediaStreamTrackSourcesRequestImpl(ExecutionContext & context,MediaStreamTrackSourcesCallback * callback)44 MediaStreamTrackSourcesRequestImpl::MediaStreamTrackSourcesRequestImpl(ExecutionContext& context, MediaStreamTrackSourcesCallback* callback)
45 : m_callback(callback)
46 , m_executionContext(&context)
47 {
48 }
49
~MediaStreamTrackSourcesRequestImpl()50 MediaStreamTrackSourcesRequestImpl::~MediaStreamTrackSourcesRequestImpl()
51 {
52 }
53
origin()54 String MediaStreamTrackSourcesRequestImpl::origin()
55 {
56 return m_executionContext->securityOrigin()->toString();
57 }
58
requestSucceeded(const WebVector<WebSourceInfo> & webSourceInfos)59 void MediaStreamTrackSourcesRequestImpl::requestSucceeded(const WebVector<WebSourceInfo>& webSourceInfos)
60 {
61 ASSERT(m_callback);
62
63 for (size_t i = 0; i < webSourceInfos.size(); ++i)
64 m_sourceInfos.append(SourceInfo::create(webSourceInfos[i]));
65 m_executionContext->postTask(createCrossThreadTask(&MediaStreamTrackSourcesRequestImpl::performCallback, this));
66 }
67
performCallback()68 void MediaStreamTrackSourcesRequestImpl::performCallback()
69 {
70 m_callback->handleEvent(m_sourceInfos);
71 m_callback.clear();
72 }
73
trace(Visitor * visitor)74 void MediaStreamTrackSourcesRequestImpl::trace(Visitor* visitor)
75 {
76 visitor->trace(m_callback);
77 visitor->trace(m_executionContext);
78 visitor->trace(m_sourceInfos);
79 MediaStreamTrackSourcesRequest::trace(visitor);
80 }
81
82 } // namespace blink
83