1/*
2 * Copyright (C) 2015 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#include "config.h"
32#include "NavigatorMediaDevices.h"
33
34#if ENABLE(MEDIA_STREAM)
35
36#include "Document.h"
37#include "Frame.h"
38#include "MediaDevices.h"
39#include "Navigator.h"
40
41namespace WebCore {
42
43NavigatorMediaDevices::NavigatorMediaDevices(DOMWindow* window)
44 : DOMWindowProperty(window)
45{
46}
47
48NavigatorMediaDevices::~NavigatorMediaDevices() = default;
49
50NavigatorMediaDevices* NavigatorMediaDevices::from(Navigator* navigator)
51{
52 NavigatorMediaDevices* supplement = static_cast<NavigatorMediaDevices*>(Supplement<Navigator>::from(navigator, supplementName()));
53 if (!supplement) {
54 auto newSupplement = std::make_unique<NavigatorMediaDevices>(navigator->window());
55 supplement = newSupplement.get();
56 provideTo(navigator, supplementName(), WTFMove(newSupplement));
57 }
58 return supplement;
59}
60
61MediaDevices* NavigatorMediaDevices::mediaDevices(Navigator& navigator)
62{
63 return NavigatorMediaDevices::from(&navigator)->mediaDevices();
64}
65
66MediaDevices* NavigatorMediaDevices::mediaDevices() const
67{
68 if (!m_mediaDevices && frame())
69 m_mediaDevices = MediaDevices::create(*frame()->document());
70 return m_mediaDevices.get();
71}
72
73const char* NavigatorMediaDevices::supplementName()
74{
75 return "NavigatorMediaDevices";
76}
77
78} // namespace WebCore
79
80#endif // ENABLE(MEDIA_STREAM)
81