File: JSWorkerGlobalScopeCustom.cpp

package info (click to toggle)
webkit2gtk 2.48.5-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 429,764 kB
  • sloc: cpp: 3,697,587; javascript: 194,444; ansic: 169,997; python: 46,499; asm: 19,295; ruby: 18,528; perl: 16,602; xml: 4,650; yacc: 2,360; sh: 2,098; java: 1,993; lex: 1,327; pascal: 366; makefile: 298
file content (75 lines) | stat: -rw-r--r-- 3,182 bytes parent folder | download | duplicates (8)
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
/*
 * Copyright (C) 2008-2021 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. 
 */

#include "config.h"
#include "JSWorkerGlobalScope.h"

#include "JSDOMExceptionHandling.h"
#include "JSDOMMicrotask.h"
#include "WebCoreOpaqueRootInlines.h"
#include "WorkerGlobalScope.h"
#include "WorkerLocation.h"
#include "WorkerNavigator.h"
#include <JavaScriptCore/Error.h>

namespace WebCore {
using namespace JSC;

template<typename Visitor>
void JSWorkerGlobalScope::visitAdditionalChildren(Visitor& visitor)
{
    if (auto* location = wrapped().optionalLocation())
        addWebCoreOpaqueRoot(visitor, *location);
    if (auto* navigator = wrapped().optionalNavigator())
        addWebCoreOpaqueRoot(visitor, *navigator);
    ScriptExecutionContext& context = wrapped();
    addWebCoreOpaqueRoot(visitor, context);
    
    // Normally JSEventTargetCustom.cpp's JSEventTarget::visitAdditionalChildren() would call this. But
    // even though WorkerGlobalScope is an EventTarget, JSWorkerGlobalScope does not subclass
    // JSEventTarget, so we need to do this here.
    wrapped().visitJSEventListeners(visitor);
}

DEFINE_VISIT_ADDITIONAL_CHILDREN(JSWorkerGlobalScope);

JSValue JSWorkerGlobalScope::queueMicrotask(JSGlobalObject& lexicalGlobalObject, CallFrame& callFrame)
{
    VM& vm = lexicalGlobalObject.vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    if (UNLIKELY(callFrame.argumentCount() < 1))
        return throwException(&lexicalGlobalObject, scope, createNotEnoughArgumentsError(&lexicalGlobalObject));

    JSValue functionValue = callFrame.uncheckedArgument(0);
    if (UNLIKELY(!functionValue.isCallable()))
        return JSValue::decode(throwArgumentMustBeFunctionError(lexicalGlobalObject, scope, 0, "callback"_s, "WorkerGlobalScope"_s, "queueMicrotask"_s));

    scope.release();
    Base::queueMicrotask(createJSDOMMicrotask(vm, asObject(functionValue)));
    return jsUndefined();
}

} // namespace WebCore