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 | #pragma once |
27 | |
28 | #if ENABLE(CSS_PAINTING_API) |
29 | |
30 | #include <JavaScriptCore/Debugger.h> |
31 | #include <JavaScriptCore/JSRunLoopTimer.h> |
32 | #include <JavaScriptCore/Strong.h> |
33 | #include <wtf/Forward.h> |
34 | #include <wtf/Lock.h> |
35 | #include <wtf/NakedPtr.h> |
36 | |
37 | namespace JSC { |
38 | class VM; |
39 | } |
40 | |
41 | namespace WebCore { |
42 | |
43 | class JSWorkletGlobalScope; |
44 | class ScriptSourceCode; |
45 | class WorkletConsoleClient; |
46 | class WorkletGlobalScope; |
47 | class WorkletConsoleClient; |
48 | |
49 | class WorkletScriptController { |
50 | WTF_MAKE_NONCOPYABLE(WorkletScriptController); WTF_MAKE_FAST_ALLOCATED; |
51 | public: |
52 | WorkletScriptController(WorkletGlobalScope*); |
53 | ~WorkletScriptController(); |
54 | |
55 | JSWorkletGlobalScope* workletGlobalScopeWrapper() |
56 | { |
57 | initScriptIfNeeded(); |
58 | return m_workletGlobalScopeWrapper.get(); |
59 | } |
60 | |
61 | void forbidExecution(); |
62 | bool isExecutionForbidden() const; |
63 | |
64 | void disableEval(const String& errorMessage); |
65 | void disableWebAssembly(const String& errorMessage); |
66 | |
67 | void evaluate(const ScriptSourceCode&, String* returnedExceptionMessage = nullptr); |
68 | void evaluate(const ScriptSourceCode&, NakedPtr<JSC::Exception>& returnedException, String* returnedExceptionMessage = nullptr); |
69 | |
70 | void setException(JSC::Exception*); |
71 | |
72 | JSC::VM& vm() { return *m_vm; } |
73 | |
74 | private: |
75 | void initScriptIfNeeded() |
76 | { |
77 | if (!m_workletGlobalScopeWrapper) |
78 | initScript(); |
79 | } |
80 | WEBCORE_EXPORT void initScript(); |
81 | |
82 | template<typename JSGlobalScopePrototype, typename JSGlobalScope, typename GlobalScope> |
83 | void initScriptWithSubclass(); |
84 | |
85 | bool m_executionForbidden { false }; |
86 | RefPtr<JSC::VM> m_vm; |
87 | WorkletGlobalScope* m_workletGlobalScope; |
88 | std::unique_ptr<WorkletConsoleClient> m_consoleClient; |
89 | JSC::Strong<JSWorkletGlobalScope> m_workletGlobalScopeWrapper; |
90 | }; |
91 | |
92 | } // namespace WebCore |
93 | #endif |
94 | |