1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2016-2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(MEDIA_STREAM)
#include <WebCore/Exception.h>
#include <WebCore/Page.h>
#include <WebCore/UserMediaClient.h>
#include <wtf/CompletionHandler.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
class UserMediaRequest;
class UserMediaController : public Supplement<Page> {
WTF_MAKE_TZONE_ALLOCATED(UserMediaController);
public:
explicit UserMediaController(Ref<UserMediaClient>&&);
UserMediaClient* client() const { return m_client.get(); }
void requestUserMediaAccess(UserMediaRequest&);
void cancelUserMediaAccessRequest(UserMediaRequest&);
void enumerateMediaDevices(Document&, UserMediaClient::EnumerateDevicesCallback&&);
UserMediaClient::DeviceChangeObserverToken addDeviceChangeObserver(Function<void()>&&);
void removeDeviceChangeObserver(UserMediaClient::DeviceChangeObserverToken);
void updateCaptureState(const Document&, bool isActive, MediaProducerMediaCaptureKind, CompletionHandler<void(std::optional<Exception>&&)>&&);
void logGetUserMediaDenial(Document&);
void logGetDisplayMediaDenial(Document&);
void logEnumerateDevicesDenial(Document&);
void setShouldListenToVoiceActivity(Document&, bool);
void checkDocumentForVoiceActivity(const Document*);
void voiceActivityDetected();
WEBCORE_EXPORT static ASCIILiteral supplementName();
static UserMediaController* from(Page* page) { return downcast<UserMediaController>(Supplement<Page>::from(page, supplementName())); }
private:
bool isUserMediaController() const final { return true; }
RefPtr<UserMediaClient> m_client;
WeakHashSet<Document, WeakPtrImplWithEventTargetData> m_voiceActivityDocuments;
bool m_shouldListenToVoiceActivity { false };
};
inline void UserMediaController::requestUserMediaAccess(UserMediaRequest& request)
{
if (RefPtr mediaClient = m_client)
mediaClient->requestUserMediaAccess(request);
}
inline void UserMediaController::cancelUserMediaAccessRequest(UserMediaRequest& request)
{
if (RefPtr mediaClient = m_client)
mediaClient->cancelUserMediaAccessRequest(request);
}
inline void UserMediaController::enumerateMediaDevices(Document& document, UserMediaClient::EnumerateDevicesCallback&& completionHandler)
{
if (RefPtr mediaClient = m_client)
mediaClient->enumerateMediaDevices(document, WTFMove(completionHandler));
}
inline UserMediaClient::DeviceChangeObserverToken UserMediaController::addDeviceChangeObserver(Function<void()>&& observer)
{
if (RefPtr mediaClient = m_client)
return mediaClient->addDeviceChangeObserver(WTFMove(observer));
return UserMediaClient::DeviceChangeObserverToken { 0 };
}
inline void UserMediaController::removeDeviceChangeObserver(UserMediaClient::DeviceChangeObserverToken token)
{
if (RefPtr mediaClient = m_client)
mediaClient->removeDeviceChangeObserver(token);
}
inline void UserMediaController::updateCaptureState(const Document& document, bool isActive, MediaProducerMediaCaptureKind kind, CompletionHandler<void(std::optional<Exception>&&)>&& completionHandler)
{
if (RefPtr mediaClient = m_client)
mediaClient->updateCaptureState(document, isActive, kind, WTFMove(completionHandler));
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::UserMediaController)
static bool isType(const WebCore::SupplementBase& supplement) { return supplement.isUserMediaController(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(MEDIA_STREAM)
|
