1 | /* |
2 | * Copyright (C) 2018 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | * |
25 | */ |
26 | |
27 | #pragma once |
28 | |
29 | #if ENABLE(CSS_PAINTING_API) |
30 | |
31 | #include "EventTarget.h" |
32 | #include "ExceptionOr.h" |
33 | #include "ScriptExecutionContext.h" |
34 | #include "ScriptSourceCode.h" |
35 | #include "WorkerEventQueue.h" |
36 | |
37 | #include <JavaScriptCore/ConsoleMessage.h> |
38 | #include <JavaScriptCore/RuntimeFlags.h> |
39 | #include <pal/SessionID.h> |
40 | #include <wtf/URL.h> |
41 | #include <wtf/ObjectIdentifier.h> |
42 | #include <wtf/WeakPtr.h> |
43 | |
44 | namespace WebCore { |
45 | class WorkletScriptController; |
46 | class ScriptSourceCode; |
47 | |
48 | enum WorkletGlobalScopeIdentifierType { }; |
49 | using WorkletGlobalScopeIdentifier = ObjectIdentifier<WorkletGlobalScopeIdentifierType>; |
50 | |
51 | class WorkletGlobalScope : public RefCounted<WorkletGlobalScope>, public ScriptExecutionContext, public EventTargetWithInlineData { |
52 | WTF_MAKE_ISO_ALLOCATED(WorkletGlobalScope); |
53 | public: |
54 | virtual ~WorkletGlobalScope(); |
55 | |
56 | using WorkletGlobalScopesSet = HashSet<const WorkletGlobalScope*>; |
57 | WEBCORE_EXPORT static WorkletGlobalScopesSet& allWorkletGlobalScopesSet(); |
58 | |
59 | virtual bool isPaintWorkletGlobalScope() const { return false; } |
60 | |
61 | const URL& url() const final { return m_code.url(); } |
62 | String origin() const final; |
63 | |
64 | void evaluate(); |
65 | |
66 | using RefCounted::ref; |
67 | using RefCounted::deref; |
68 | |
69 | WorkletScriptController* script() { return m_script.get(); } |
70 | |
71 | void addConsoleMessage(std::unique_ptr<Inspector::ConsoleMessage>&&) final; |
72 | |
73 | bool isJSExecutionForbidden() const final; |
74 | SecurityOrigin& topOrigin() const final { return m_topOrigin.get(); } |
75 | |
76 | SocketProvider* socketProvider() final { return nullptr; } |
77 | |
78 | bool isContextThread() const final { return true; } |
79 | bool isSecureContext() const final { return false; } |
80 | |
81 | JSC::RuntimeFlags jsRuntimeFlags() const { return m_jsRuntimeFlags; } |
82 | |
83 | virtual void prepareForDestruction(); |
84 | |
85 | protected: |
86 | WorkletGlobalScope(Document&, ScriptSourceCode&&); |
87 | WorkletGlobalScope(const WorkletGlobalScope&) = delete; |
88 | WorkletGlobalScope(WorkletGlobalScope&&) = delete; |
89 | |
90 | Document* responsibleDocument() { return m_document.get(); } |
91 | const Document* responsibleDocument() const { return m_document.get(); } |
92 | |
93 | private: |
94 | #if ENABLE(INDEXED_DATABASE) |
95 | IDBClient::IDBConnectionProxy* idbConnectionProxy() final { ASSERT_NOT_REACHED(); return nullptr; } |
96 | #endif |
97 | |
98 | void postTask(Task&&) final { ASSERT_NOT_REACHED(); } |
99 | |
100 | void refScriptExecutionContext() final { ref(); } |
101 | void derefScriptExecutionContext() final { deref(); } |
102 | |
103 | void refEventTarget() final { ref(); } |
104 | void derefEventTarget() final { deref(); } |
105 | |
106 | ScriptExecutionContext* scriptExecutionContext() const final { return const_cast<WorkletGlobalScope*>(this); } |
107 | EventTargetInterface eventTargetInterface() const final { return WorkletGlobalScopeEventTargetInterfaceType; } |
108 | |
109 | bool isWorkletGlobalScope() const final { return true; } |
110 | |
111 | void logExceptionToConsole(const String& errorMessage, const String&, int, int, RefPtr<Inspector::ScriptCallStack>&&) final; |
112 | void addMessage(MessageSource, MessageLevel, const String&, const String&, unsigned, unsigned, RefPtr<Inspector::ScriptCallStack>&&, JSC::ExecState*, unsigned long) final; |
113 | void addConsoleMessage(MessageSource, MessageLevel, const String&, unsigned long) final; |
114 | |
115 | EventTarget* errorEventTarget() final { return this; } |
116 | EventQueue& eventQueue() const final { ASSERT_NOT_REACHED(); return m_eventQueue; } |
117 | |
118 | #if ENABLE(WEB_CRYPTO) |
119 | bool wrapCryptoKey(const Vector<uint8_t>&, Vector<uint8_t>&) final { RELEASE_ASSERT_NOT_REACHED(); return false; } |
120 | bool unwrapCryptoKey(const Vector<uint8_t>&, Vector<uint8_t>&) final { RELEASE_ASSERT_NOT_REACHED(); return false; } |
121 | #endif |
122 | URL completeURL(const String&) const final; |
123 | PAL::SessionID sessionID() const final { return m_sessionID; } |
124 | String userAgent(const URL&) const final; |
125 | void disableEval(const String&) final; |
126 | void disableWebAssembly(const String&) final; |
127 | |
128 | WeakPtr<Document> m_document; |
129 | |
130 | PAL::SessionID m_sessionID; |
131 | std::unique_ptr<WorkletScriptController> m_script; |
132 | |
133 | Ref<SecurityOrigin> m_topOrigin; |
134 | |
135 | // FIXME: This is not implemented properly, it just satisfies the compiler. |
136 | // https://bugs.webkit.org/show_bug.cgi?id=191136 |
137 | mutable WorkerEventQueue m_eventQueue; |
138 | |
139 | JSC::RuntimeFlags m_jsRuntimeFlags; |
140 | ScriptSourceCode m_code; |
141 | }; |
142 | |
143 | } // namespace WebCore |
144 | |
145 | SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WorkletGlobalScope) |
146 | static bool isType(const WebCore::ScriptExecutionContext& context) { return context.isWorkletGlobalScope(); } |
147 | SPECIALIZE_TYPE_TRAITS_END() |
148 | #endif |
149 | |