1/*
2 * Copyright (C) 2016 Apple 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. ``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 APPLE 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
27#pragma once
28
29#if ENABLE(MEDIA_STREAM)
30
31#include "ActiveDOMObject.h"
32#include <wtf/Function.h>
33#include <wtf/text/WTFString.h>
34
35namespace WebCore {
36
37class CaptureDevice;
38class Document;
39class SecurityOrigin;
40
41class MediaDevicesEnumerationRequest final : public ContextDestructionObserver, public RefCounted<MediaDevicesEnumerationRequest> {
42public:
43 using CompletionHandler = WTF::Function<void(const Vector<CaptureDevice>&, const String& deviceIdentifierHashSalt, bool originHasPersistentAccess)>;
44
45 static Ref<MediaDevicesEnumerationRequest> create(Document&, CompletionHandler&&);
46
47 virtual ~MediaDevicesEnumerationRequest();
48
49 void start();
50 void cancel();
51
52 bool wasCanceled() const { return !m_completionHandler; }
53
54 WEBCORE_EXPORT void setDeviceInfo(const Vector<CaptureDevice>&, const String& deviceIdentifierHashSalt, bool originHasPersistentAccess);
55
56 WEBCORE_EXPORT SecurityOrigin* userMediaDocumentOrigin() const;
57 WEBCORE_EXPORT SecurityOrigin* topLevelDocumentOrigin() const;
58
59private:
60 MediaDevicesEnumerationRequest(ScriptExecutionContext&, CompletionHandler&&);
61
62 // ContextDestructionObserver
63 void contextDestroyed() final;
64
65 CompletionHandler m_completionHandler;
66};
67
68} // namespace WebCore
69
70#endif // ENABLE(MEDIA_STREAM)
71