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
|
/*
* Copyright (C) 2020 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 "EventTarget.h"
#include "FetchOptions.h"
#include "ScriptExecutionContext.h"
#include "WorkerThreadType.h"
namespace WebCore {
class EventLoopTaskGroup;
class ScriptModuleLoader;
class WorkerEventLoop;
class WorkerInspectorController;
class WorkerOrWorkletScriptController;
class WorkerOrWorkletThread;
class WorkerOrWorkletGlobalScope : public ScriptExecutionContext, public RefCounted<WorkerOrWorkletGlobalScope>, public EventTargetWithInlineData {
WTF_MAKE_ISO_ALLOCATED(WorkerOrWorkletGlobalScope);
WTF_MAKE_NONCOPYABLE(WorkerOrWorkletGlobalScope);
public:
virtual ~WorkerOrWorkletGlobalScope();
using ScriptExecutionContext::weakPtrFactory;
using WeakValueType = ScriptExecutionContext::WeakValueType;
bool isClosing() const { return m_isClosing; }
WorkerOrWorkletThread* workerOrWorkletThread() const { return m_thread; }
WorkerOrWorkletScriptController* script() const { return m_script.get(); }
void clearScript();
JSC::VM& vm() final;
WorkerInspectorController& inspectorController() const { return *m_inspectorController; }
ScriptModuleLoader& moduleLoader() { return *m_moduleLoader; }
// ScriptExecutionContext.
ScriptExecutionContext* scriptExecutionContext() const final { return const_cast<WorkerOrWorkletGlobalScope*>(this); }
EventLoopTaskGroup& eventLoop() final;
bool isContextThread() const final;
void postTask(Task&&) final; // Executes the task on context's thread asynchronously.
virtual void prepareForDestruction();
using RefCounted::ref;
using RefCounted::deref;
virtual void suspend() { }
virtual void resume() { }
virtual FetchOptions::Destination destination() const = 0;
protected:
WorkerOrWorkletGlobalScope(WorkerThreadType, Ref<JSC::VM>&&, WorkerOrWorkletThread*);
// ScriptExecutionContext.
bool isJSExecutionForbidden() const final;
void markAsClosing() { m_isClosing = true; }
private:
// ScriptExecutionContext.
void disableEval(const String& errorMessage) final;
void disableWebAssembly(const String& errorMessage) final;
void refScriptExecutionContext() final { ref(); }
void derefScriptExecutionContext() final { deref(); }
// EventTarget.
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
#if ENABLE(NOTIFICATIONS)
NotificationClient* notificationClient() override { return nullptr; }
#endif
std::unique_ptr<WorkerOrWorkletScriptController> m_script;
std::unique_ptr<ScriptModuleLoader> m_moduleLoader;
WorkerOrWorkletThread* m_thread;
RefPtr<WorkerEventLoop> m_eventLoop;
std::unique_ptr<EventLoopTaskGroup> m_defaultTaskGroup;
std::unique_ptr<WorkerInspectorController> m_inspectorController;
bool m_isClosing { false };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WorkerOrWorkletGlobalScope)
static bool isType(const WebCore::ScriptExecutionContext& context) { return context.isWorkerGlobalScope() || context.isWorkletGlobalScope(); }
SPECIALIZE_TYPE_TRAITS_END()
|
