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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Copyright (C) 2008, 2010, 2016 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. ``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
* 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 "MessagePort.h"
#include "WorkerOptions.h"
// #include "WorkerScriptLoaderClient.h"
// #include "WorkerType.h"
#include <JavaScriptCore/RuntimeFlags.h>
#include <wtf/Deque.h>
#include <wtf/MonotonicTime.h>
#include <wtf/text/AtomStringHash.h>
#include "ContextDestructionObserver.h"
#include "Event.h"
namespace JSC {
class CallFrame;
class JSObject;
class JSValue;
}
namespace WebCore {
class RTCRtpScriptTransform;
class RTCRtpScriptTransformer;
class ScriptExecutionContext;
class WorkerGlobalScopeProxy;
// class WorkerScriptLoader;
struct StructuredSerializeOptions;
struct WorkerOptions;
class Worker final : public RefCounted<Worker>, public EventTargetWithInlineData, private ContextDestructionObserver {
WTF_MAKE_ISO_ALLOCATED_EXPORT(Worker, WEBCORE_EXPORT);
public:
static ExceptionOr<Ref<Worker>> create(ScriptExecutionContext&, const String& url, WorkerOptions&&);
~Worker();
ExceptionOr<void> postMessage(JSC::JSGlobalObject&, JSC::JSValue message, StructuredSerializeOptions&&);
using RefCounted::deref;
using RefCounted::ref;
void terminate();
bool wasTerminated() const { return m_wasTerminated; }
bool hasPendingActivity() const;
bool updatePtr();
String identifier() const { return m_identifier; }
const String& name() const { return m_options.name; }
void dispatchEvent(Event&);
void dispatchCloseEvent(Event&);
void setKeepAlive(bool);
#if ENABLE(WEB_RTC)
void createRTCRtpScriptTransformer(RTCRtpScriptTransform&, MessageWithMessagePorts&&);
#endif
// WorkerType type() const
// {
// return m_options.type;
// }
void postTaskToWorkerGlobalScope(Function<void(ScriptExecutionContext&)>&&);
static void forEachWorker(const Function<Function<void(ScriptExecutionContext&)>()>&);
void drainEvents();
void dispatchOnline(Zig::GlobalObject* workerGlobalObject);
void dispatchError(WTF::String message);
void dispatchExit(int32_t exitCode);
ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
ScriptExecutionContextIdentifier clientIdentifier() const { return m_clientIdentifier; }
WorkerOptions& options() { return m_options; }
private:
Worker(ScriptExecutionContext&, WorkerOptions&&);
EventTargetInterface eventTargetInterface() const final { return WorkerEventTargetInterfaceType; }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
void eventListenersDidChange() final {};
// void didReceiveResponse(ResourceLoaderIdentifier, const ResourceResponse&) final;
// void notifyFinished() final;
// ActiveDOMObject.
// void stop() final;
// void suspend(ReasonForSuspension) final;
// void resume() final;
// const char* activeDOMObjectName() const final;
// bool virtualHasPendingActivity() const final;
static void networkStateChanged(bool isOnLine);
// RefPtr<WorkerScriptLoader> m_scriptLoader;
WorkerOptions m_options;
String m_identifier;
// WorkerGlobalScopeProxy& m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
// std::optional<ContentSecurityPolicyResponseHeaders> m_contentSecurityPolicyResponseHeaders;
MonotonicTime m_workerCreationTime;
// bool m_shouldBypassMainWorldContentSecurityPolicy { false };
// bool m_isSuspendedForBackForwardCache { false };
// JSC::RuntimeFlags m_runtimeFlags;
Deque<RefPtr<Event>> m_pendingEvents;
Lock m_pendingTasksMutex;
Deque<Function<void(ScriptExecutionContext&)>> m_pendingTasks;
bool m_wasTerminated { false };
bool m_didStartWorkerGlobalScope { false };
bool m_isOnline { false };
bool m_isClosing { false };
const ScriptExecutionContextIdentifier m_clientIdentifier;
void* impl_ { nullptr };
};
} // namespace WebCore
|
