1/*
2 * Copyright (C) 2011 Ericsson AB. 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 Ericsson 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#ifndef UserMediaRequest_h
32#define UserMediaRequest_h
33
34#include "core/dom/ActiveDOMObject.h"
35#include "modules/mediastream/NavigatorUserMediaErrorCallback.h"
36#include "modules/mediastream/NavigatorUserMediaSuccessCallback.h"
37#include "platform/mediastream/MediaStreamSource.h"
38#include "public/platform/WebMediaConstraints.h"
39#include "wtf/Forward.h"
40#include "wtf/PassRefPtr.h"
41
42namespace blink {
43
44class Dictionary;
45class Document;
46class ExceptionState;
47class MediaStreamDescriptor;
48class UserMediaController;
49
50class UserMediaRequest FINAL : public GarbageCollectedFinalized<UserMediaRequest>, public ContextLifecycleObserver {
51public:
52    static UserMediaRequest* create(ExecutionContext*, UserMediaController*, const Dictionary& options, NavigatorUserMediaSuccessCallback*, NavigatorUserMediaErrorCallback*, ExceptionState&);
53    virtual ~UserMediaRequest();
54
55    NavigatorUserMediaSuccessCallback* successCallback() const { return m_successCallback.get(); }
56    NavigatorUserMediaErrorCallback* errorCallback() const { return m_errorCallback.get(); }
57    Document* ownerDocument();
58
59    void start();
60
61    void succeed(PassRefPtr<MediaStreamDescriptor>);
62    void failPermissionDenied(const String& message);
63    void failConstraint(const String& constraintName, const String& message);
64    void failUASpecific(const String& name, const String& message, const String& constraintName);
65
66    bool audio() const;
67    bool video() const;
68    WebMediaConstraints audioConstraints() const;
69    WebMediaConstraints videoConstraints() const;
70
71    // ContextLifecycleObserver
72    virtual void contextDestroyed() OVERRIDE;
73
74    void trace(Visitor*);
75
76private:
77    UserMediaRequest(ExecutionContext*, UserMediaController*, WebMediaConstraints audio, WebMediaConstraints video, NavigatorUserMediaSuccessCallback*, NavigatorUserMediaErrorCallback*);
78
79    WebMediaConstraints m_audio;
80    WebMediaConstraints m_video;
81
82    UserMediaController* m_controller;
83
84    Member<NavigatorUserMediaSuccessCallback> m_successCallback;
85    Member<NavigatorUserMediaErrorCallback> m_errorCallback;
86};
87
88} // namespace blink
89
90#endif // UserMediaRequest_h
91