JSWorkerGlobalScopeBase.cpp [plain text]
#include "config.h"
#include "JSWorkerGlobalScopeBase.h"
#include "DOMWrapperWorld.h"
#include "JSDOMGlobalObjectTask.h"
#include "JSDedicatedWorkerGlobalScope.h"
#include "JSDynamicDowncast.h"
#include "JSWorkerGlobalScope.h"
#include "Language.h"
#include "WorkerGlobalScope.h"
#include "WorkerThread.h"
#include <runtime/JSCInlines.h>
#include <runtime/JSCJSValueInlines.h>
#include <runtime/Microtask.h>
using namespace JSC;
namespace WebCore {
const ClassInfo JSWorkerGlobalScopeBase::s_info = { "WorkerGlobalScope", &JSDOMGlobalObject::s_info, 0, CREATE_METHOD_TABLE(JSWorkerGlobalScopeBase) };
const GlobalObjectMethodTable JSWorkerGlobalScopeBase::s_globalObjectMethodTable = {
&supportsRichSourceInfo,
&shouldInterruptScript,
&javaScriptRuntimeFlags,
&queueTaskToEventLoop,
&shouldInterruptScriptBeforeTimeout,
nullptr,
nullptr,
nullptr,
nullptr,
&defaultLanguage
};
JSWorkerGlobalScopeBase::JSWorkerGlobalScopeBase(JSC::VM& vm, JSC::Structure* structure, RefPtr<WorkerGlobalScope>&& impl)
: JSDOMGlobalObject(vm, structure, normalWorld(vm), &s_globalObjectMethodTable)
, m_wrapped(WTFMove(impl))
{
}
void JSWorkerGlobalScopeBase::finishCreation(VM& vm, JSProxy* proxy)
{
m_proxy.set(vm, this, proxy);
Base::finishCreation(vm, m_proxy.get());
ASSERT(inherits(info()));
}
void JSWorkerGlobalScopeBase::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSWorkerGlobalScopeBase* thisObject = jsCast<JSWorkerGlobalScopeBase*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_proxy);
}
void JSWorkerGlobalScopeBase::destroy(JSCell* cell)
{
static_cast<JSWorkerGlobalScopeBase*>(cell)->JSWorkerGlobalScopeBase::~JSWorkerGlobalScopeBase();
}
ScriptExecutionContext* JSWorkerGlobalScopeBase::scriptExecutionContext() const
{
return m_wrapped.get();
}
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);
}
RuntimeFlags JSWorkerGlobalScopeBase::javaScriptRuntimeFlags(const JSGlobalObject* object)
{
const JSWorkerGlobalScopeBase *thisObject = jsCast<const JSWorkerGlobalScopeBase*>(object);
return thisObject->m_wrapped->thread().runtimeFlags();
}
void JSWorkerGlobalScopeBase::queueTaskToEventLoop(const JSGlobalObject* object, Ref<JSC::Microtask>&& task)
{
const JSWorkerGlobalScopeBase* thisObject = static_cast<const JSWorkerGlobalScopeBase*>(object);
thisObject->scriptExecutionContext()->postTask(JSGlobalObjectTask((JSDOMGlobalObject*)thisObject, WTFMove(task)));
}
JSValue toJS(ExecState* exec, JSDOMGlobalObject*, WorkerGlobalScope& workerGlobalScope)
{
return toJS(exec, workerGlobalScope);
}
JSValue toJS(ExecState*, WorkerGlobalScope& workerGlobalScope)
{
WorkerScriptController* script = workerGlobalScope.script();
if (!script)
return jsNull();
JSWorkerGlobalScope* contextWrapper = script->workerGlobalScopeWrapper();
ASSERT(contextWrapper);
return contextWrapper->proxy();
}
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 jsDynamicDowncast<JSDedicatedWorkerGlobalScope*>(jsCast<JSProxy*>(asObject(value))->target());
return 0;
}
JSWorkerGlobalScope* toJSWorkerGlobalScope(JSValue value)
{
return toJSDedicatedWorkerGlobalScope(value);
}
}