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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* Copyright (C) 2008, 2009 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 COMPUTER, 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 COMPUTER, 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.
*
*/
#ifndef WorkerGlobalScope_h
#define WorkerGlobalScope_h
#include "bindings/v8/ScriptWrappable.h"
#include "bindings/v8/WorkerScriptController.h"
#include "core/dom/ExecutionContext.h"
#include "core/events/EventListener.h"
#include "core/events/EventTarget.h"
#include "core/frame/DOMWindowBase64.h"
#include "core/frame/UseCounter.h"
#include "core/frame/csp/ContentSecurityPolicy.h"
#include "core/workers/WorkerEventQueue.h"
#include "platform/heap/Handle.h"
#include "platform/network/ContentSecurityPolicyParsers.h"
#include "wtf/Assertions.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/text/AtomicStringHash.h"
namespace WebCore {
class Blob;
class ExceptionState;
class ScheduledAction;
class WorkerClients;
class WorkerConsole;
class WorkerInspectorController;
class WorkerLocation;
class WorkerNavigator;
class WorkerThread;
class WorkerGlobalScope : public RefCountedWillBeRefCountedGarbageCollected<WorkerGlobalScope>, public ScriptWrappable, public SecurityContext, public ExecutionContext, public ExecutionContextClient, public WillBeHeapSupplementable<WorkerGlobalScope>, public EventTargetWithInlineData, public DOMWindowBase64 {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScope);
REFCOUNTED_EVENT_TARGET(WorkerGlobalScope);
public:
virtual ~WorkerGlobalScope();
virtual bool isWorkerGlobalScope() const OVERRIDE FINAL { return true; }
virtual ExecutionContext* executionContext() const OVERRIDE FINAL;
virtual bool isSharedWorkerGlobalScope() const { return false; }
virtual bool isDedicatedWorkerGlobalScope() const { return false; }
virtual bool isServiceWorkerGlobalScope() const { return false; }
virtual void countFeature(UseCounter::Feature) const;
virtual void countDeprecation(UseCounter::Feature) const;
const KURL& url() const { return m_url; }
KURL completeURL(const String&) const;
virtual String userAgent(const KURL&) const OVERRIDE FINAL;
virtual void disableEval(const String& errorMessage) OVERRIDE FINAL;
WorkerScriptController* script() { return m_script.get(); }
void clearScript() { m_script.clear(); }
void clearInspector();
// FIXME: We can remove this interface when we remove openDatabaseSync.
class TerminationObserver {
public:
virtual ~TerminationObserver() { }
// The function is probably called in the main thread.
virtual void wasRequestedToTerminate() = 0;
};
void registerTerminationObserver(TerminationObserver*);
void unregisterTerminationObserver(TerminationObserver*);
void wasRequestedToTerminate();
void dispose();
WorkerThread* thread() const { return m_thread; }
virtual void postTask(PassOwnPtr<ExecutionContextTask>) OVERRIDE FINAL; // Executes the task on context's thread asynchronously.
// WorkerGlobalScope
WorkerGlobalScope* self() { return this; }
WorkerConsole* console();
WorkerLocation* location() const;
void close();
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
// WorkerUtils
virtual void importScripts(const Vector<String>& urls, ExceptionState&);
WorkerNavigator* navigator() const;
// ExecutionContextClient
virtual WorkerEventQueue* eventQueue() const OVERRIDE FINAL;
virtual SecurityContext& securityContext() OVERRIDE FINAL { return *this; }
virtual bool isContextThread() const OVERRIDE FINAL;
virtual bool isJSExecutionForbidden() const OVERRIDE FINAL;
virtual double timerAlignmentInterval() const OVERRIDE FINAL;
WorkerInspectorController* workerInspectorController() { return m_workerInspectorController.get(); }
bool isClosing() { return m_closing; }
virtual void stopFetch() { }
bool idleNotification();
double timeOrigin() const { return m_timeOrigin; }
WorkerClients* clients() { return m_workerClients.get(); }
using SecurityContext::securityOrigin;
using SecurityContext::contentSecurityPolicy;
virtual void trace(Visitor*) OVERRIDE;
protected:
WorkerGlobalScope(const KURL&, const String& userAgent, WorkerThread*, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients>);
void applyContentSecurityPolicyFromString(const String& contentSecurityPolicy, ContentSecurityPolicyHeaderType);
virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) OVERRIDE;
void addMessageToWorkerConsole(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>, ScriptState*);
private:
#if !ENABLE(OILPAN)
virtual void refExecutionContext() OVERRIDE FINAL { ref(); }
virtual void derefExecutionContext() OVERRIDE FINAL { deref(); }
#endif
virtual const KURL& virtualURL() const OVERRIDE FINAL;
virtual KURL virtualCompleteURL(const String&) const OVERRIDE FINAL;
virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE FINAL;
virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState* = 0) OVERRIDE FINAL;
virtual EventTarget* errorEventTarget() OVERRIDE FINAL;
virtual void didUpdateSecurityOrigin() OVERRIDE FINAL { }
KURL m_url;
String m_userAgent;
mutable RefPtrWillBeMember<WorkerConsole> m_console;
mutable RefPtrWillBeMember<WorkerLocation> m_location;
mutable RefPtrWillBeMember<WorkerNavigator> m_navigator;
OwnPtr<WorkerScriptController> m_script;
WorkerThread* m_thread;
OwnPtr<WorkerInspectorController> m_workerInspectorController;
bool m_closing;
OwnPtrWillBeMember<WorkerEventQueue> m_eventQueue;
OwnPtrWillBeMember<WorkerClients> m_workerClients;
double m_timeOrigin;
TerminationObserver* m_terminationObserver;
};
DEFINE_TYPE_CASTS(WorkerGlobalScope, ExecutionContext, context, context->isWorkerGlobalScope(), context.isWorkerGlobalScope());
} // namespace WebCore
#endif // WorkerGlobalScope_h
|
