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
|
/*
* Copyright (C) 2022 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
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "WakeLockType.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class DeferredPromise;
class WakeLockManager;
class WakeLockSentinel final : public RefCounted<WakeLockSentinel>, public ActiveDOMObject, public EventTarget {
WTF_MAKE_ISO_ALLOCATED(WakeLockSentinel);
public:
static Ref<WakeLockSentinel> create(Document& document, WakeLockType type)
{
auto sentinel = adoptRef(*new WakeLockSentinel(document, type));
sentinel->suspendIfNeeded();
return sentinel;
}
using RefCounted::ref;
using RefCounted::deref;
bool released() const { return m_wasReleased; }
WakeLockType type() const { return m_type; }
void release(Ref<DeferredPromise>&&);
void release(WakeLockManager&);
private:
WakeLockSentinel(Document&, WakeLockType);
// ActiveDOMObject
const char* activeDOMObjectName() const final;
bool virtualHasPendingActivity() const final;
// EventTarget
EventTargetInterface eventTargetInterface() const final { return WakeLockSentinelEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void refEventTarget() final { RefCounted::ref(); }
void derefEventTarget() final { RefCounted::deref(); }
void eventListenersDidChange() final;
WakeLockType m_type;
bool m_wasReleased { false };
bool m_hasReleaseEventListener { false };
};
} // namespace WebCore
|
