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/*
* Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google 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 "JSWorkerGlobalScopeBase.h"
#include "DOMWrapperWorld.h"
#include "JSDOMGlobalObjectTask.h"
#include "JSDedicatedWorkerGlobalScope.h"
#include "JSWorkerGlobalScope.h"
#include "WorkerGlobalScope.h"
#include <runtime/JSCJSValueInlines.h>
#include <runtime/Microtask.h>
#if ENABLE(SHARED_WORKERS)
#include "JSSharedWorkerGlobalScope.h"
#endif
using namespace JSC;
namespace WebCore {
const ClassInfo JSWorkerGlobalScopeBase::s_info = { "WorkerGlobalScope", &JSDOMGlobalObject::s_info, 0, CREATE_METHOD_TABLE(JSWorkerGlobalScopeBase) };
const GlobalObjectMethodTable JSWorkerGlobalScopeBase::s_globalObjectMethodTable = { &allowsAccessFrom, &supportsProfiling, &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptExperimentsEnabled, &queueTaskToEventLoop, &shouldInterruptScriptBeforeTimeout };
JSWorkerGlobalScopeBase::JSWorkerGlobalScopeBase(JSC::VM& vm, JSC::Structure* structure, PassRefPtr<WorkerGlobalScope> impl)
: JSDOMGlobalObject(vm, structure, &normalWorld(vm), &s_globalObjectMethodTable)
, m_impl(impl)
{
}
void JSWorkerGlobalScopeBase::finishCreation(VM& vm)
{
Base::finishCreation(vm);
ASSERT(inherits(info()));
}
void JSWorkerGlobalScopeBase::destroy(JSCell* cell)
{
static_cast<JSWorkerGlobalScopeBase*>(cell)->JSWorkerGlobalScopeBase::~JSWorkerGlobalScopeBase();
}
ScriptExecutionContext* JSWorkerGlobalScopeBase::scriptExecutionContext() const
{
return m_impl.get();
}
bool JSWorkerGlobalScopeBase::allowsAccessFrom(const JSGlobalObject* object, ExecState* exec)
{
return JSGlobalObject::allowsAccessFrom(object, exec);
}
bool JSWorkerGlobalScopeBase::supportsProfiling(const JSGlobalObject* object)
{
return JSGlobalObject::supportsProfiling(object);
}
bool JSWorkerGlobalScopeBase::supportsRichSourceInfo(const JSGlobalObject* object)
{
return JSGlobalObject::supportsRichSourceInfo(object);
}
bool JSWorkerGlobalScopeBase::shouldInterruptScript(const JSGlobalObject* object)
{
return JSGlobalObject::shouldInterruptScript(object);
}
bool JSWorkerGlobalScopeBase::shouldInterruptScriptBeforeTimeout(const JSGlobalObject* object)
{
return JSGlobalObject::shouldInterruptScriptBeforeTimeout(object);
}
bool JSWorkerGlobalScopeBase::javaScriptExperimentsEnabled(const JSGlobalObject* object)
{
return JSGlobalObject::javaScriptExperimentsEnabled(object);
}
void JSWorkerGlobalScopeBase::queueTaskToEventLoop(const JSGlobalObject* object, PassRefPtr<Microtask> task)
{
const JSWorkerGlobalScopeBase* thisObject = static_cast<const JSWorkerGlobalScopeBase*>(object);
thisObject->scriptExecutionContext()->postTask(JSGlobalObjectTask((JSDOMGlobalObject*)thisObject, task));
}
JSValue toJS(ExecState* exec, JSDOMGlobalObject*, WorkerGlobalScope* workerGlobalScope)
{
return toJS(exec, workerGlobalScope);
}
JSValue toJS(ExecState*, WorkerGlobalScope* workerGlobalScope)
{
if (!workerGlobalScope)
return jsNull();
WorkerScriptController* script = workerGlobalScope->script();
if (!script)
return jsNull();
JSWorkerGlobalScope* contextWrapper = script->workerGlobalScopeWrapper();
ASSERT(contextWrapper);
return contextWrapper;
}
JSDedicatedWorkerGlobalScope* toJSDedicatedWorkerGlobalScope(JSValue value)
{
if (!value.isObject())
return 0;
const ClassInfo* classInfo = asObject(value)->classInfo();
if (classInfo == JSDedicatedWorkerGlobalScope::info())
return jsCast<JSDedicatedWorkerGlobalScope*>(asObject(value));
if (classInfo == JSProxy::info())
return jsDynamicCast<JSDedicatedWorkerGlobalScope*>(jsCast<JSProxy*>(asObject(value))->target());
return 0;
}
#if ENABLE(SHARED_WORKERS)
JSSharedWorkerGlobalScope* toJSSharedWorkerGlobalScope(JSValue value)
{
if (!value.isObject())
return 0;
const ClassInfo* classInfo = asObject(value)->classInfo();
if (classInfo == JSSharedWorkerGlobalScope::info())
return jsCast<JSSharedWorkerGlobalScope*>(asObject(value));
if (classInfo == JSProxy::info())
return jsDynamicCast<JSSharedWorkerGlobalScope*>(jsCast<JSProxy*>(asObject(value))->target());
return 0;
}
#endif
JSWorkerGlobalScope* toJSWorkerGlobalScope(JSValue value)
{
JSWorkerGlobalScope* context = toJSDedicatedWorkerGlobalScope(value);
#if ENABLE(SHARED_WORKERS)
if (!context)
context = toJSSharedWorkerGlobalScope(value);
#endif
return context;
}
} // namespace WebCore
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