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 "JSDOMGlobalObject.h" |
32 | #include "JSDOMWrapper.h" |
33 | #include "JSEventTarget.h" |
34 | |
35 | namespace WebCore { |
36 | |
37 | class JSWorkletGlobalScope; |
38 | class WorkletGlobalScope; |
39 | |
40 | class JSWorkletGlobalScopeBase : public JSDOMGlobalObject { |
41 | using Base = JSDOMGlobalObject; |
42 | public: |
43 | static void destroy(JSC::JSCell*); |
44 | |
45 | DECLARE_INFO; |
46 | |
47 | WorkletGlobalScope& wrapped() const { return *m_wrapped; } |
48 | JSC::JSProxy* proxy() const { ASSERT(m_proxy); return m_proxy.get(); } |
49 | ScriptExecutionContext* scriptExecutionContext() const; |
50 | |
51 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
52 | { |
53 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), info()); |
54 | } |
55 | |
56 | static const JSC::GlobalObjectMethodTable s_globalObjectMethodTable; |
57 | |
58 | static bool supportsRichSourceInfo(const JSC::JSGlobalObject*); |
59 | static bool shouldInterruptScript(const JSC::JSGlobalObject*); |
60 | static bool shouldInterruptScriptBeforeTimeout(const JSC::JSGlobalObject*); |
61 | static JSC::RuntimeFlags javaScriptRuntimeFlags(const JSC::JSGlobalObject*); |
62 | static void queueTaskToEventLoop(JSC::JSGlobalObject&, Ref<JSC::Microtask>&&); |
63 | |
64 | void clearDOMGuardedObjects(); |
65 | |
66 | protected: |
67 | JSWorkletGlobalScopeBase(JSC::VM&, JSC::Structure*, RefPtr<WorkletGlobalScope>&&); |
68 | void finishCreation(JSC::VM&, JSC::JSProxy*); |
69 | |
70 | static void visitChildren(JSC::JSCell*, JSC::SlotVisitor&); |
71 | |
72 | private: |
73 | RefPtr<WorkletGlobalScope> m_wrapped; |
74 | JSC::WriteBarrier<JSC::JSProxy> m_proxy; |
75 | }; |
76 | |
77 | // Returns a JSWorkletGlobalScope or jsNull() |
78 | // Always ignores the execState and passed globalObject, WorkletGlobalScope is itself a globalObject and will always use its own prototype chain. |
79 | JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject*, WorkletGlobalScope&); |
80 | inline JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, WorkletGlobalScope* scope) { return scope ? toJS(exec, globalObject, *scope) : JSC::jsNull(); } |
81 | JSC::JSValue toJS(JSC::ExecState*, WorkletGlobalScope&); |
82 | inline JSC::JSValue toJS(JSC::ExecState* exec, WorkletGlobalScope* scope) { return scope ? toJS(exec, *scope) : JSC::jsNull(); } |
83 | |
84 | JSWorkletGlobalScope* toJSWorkletGlobalScope(JSC::VM&, JSC::JSValue); |
85 | |
86 | } // namespace WebCore |
87 | |
88 | #endif // ENABLE(CSS_PAINTING_API) |
89 | |