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/*
* Copyright (C) 2000 Harri Porten (porten@kde.org)
* Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reseved.
* Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2009 Google Inc. All rights reseved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#include "config.h"
#include "ScheduledAction.h"
#include "ContentSecurityPolicy.h"
#include "DOMWindow.h"
#include "Document.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "JSDOMBinding.h"
#include "JSDOMWindow.h"
#include "JSMainThreadExecState.h"
#include "ScriptController.h"
#include "ScriptExecutionContext.h"
#include "ScriptSourceCode.h"
#include "ScriptValue.h"
#include <runtime/JSLock.h>
#if ENABLE(WORKERS)
#include "JSWorkerGlobalScope.h"
#include "WorkerGlobalScope.h"
#include "WorkerThread.h"
#endif
using namespace JSC;
namespace WebCore {
PassOwnPtr<ScheduledAction> ScheduledAction::create(ExecState* exec, DOMWrapperWorld* isolatedWorld, ContentSecurityPolicy* policy)
{
JSValue v = exec->argument(0);
CallData callData;
if (getCallData(v, callData) == CallTypeNone) {
if (policy && !policy->allowEval(exec))
return nullptr;
String string = v.toString(exec)->value(exec);
if (exec->hadException())
return nullptr;
return adoptPtr(new ScheduledAction(string, isolatedWorld));
}
return adoptPtr(new ScheduledAction(exec, v, isolatedWorld));
}
ScheduledAction::ScheduledAction(ExecState* exec, JSValue function, DOMWrapperWorld* isolatedWorld)
: m_function(exec->vm(), function)
, m_isolatedWorld(isolatedWorld)
{
// setTimeout(function, interval, arg0, arg1...).
// Start at 2 to skip function and interval.
for (size_t i = 2; i < exec->argumentCount(); ++i)
m_args.append(Strong<JSC::Unknown>(exec->vm(), exec->argument(i)));
}
void ScheduledAction::execute(ScriptExecutionContext* context)
{
if (context->isDocument())
execute(toDocument(context));
#if ENABLE(WORKERS)
else {
ASSERT(context->isWorkerGlobalScope());
execute(static_cast<WorkerGlobalScope*>(context));
}
#else
ASSERT(context->isDocument());
#endif
}
void ScheduledAction::executeFunctionInContext(JSGlobalObject* globalObject, JSValue thisValue, ScriptExecutionContext* context)
{
ASSERT(m_function);
JSLockHolder lock(context->vm());
CallData callData;
CallType callType = getCallData(m_function.get(), callData);
if (callType == CallTypeNone)
return;
ExecState* exec = globalObject->globalExec();
MarkedArgumentBuffer args;
size_t size = m_args.size();
for (size_t i = 0; i < size; ++i)
args.append(m_args[i].get());
InspectorInstrumentationCookie cookie = JSMainThreadExecState::instrumentFunctionCall(context, callType, callData);
if (context->isDocument())
JSMainThreadExecState::call(exec, m_function.get(), callType, callData, thisValue, args);
else
JSC::call(exec, m_function.get(), callType, callData, thisValue, args);
InspectorInstrumentation::didCallFunction(cookie);
if (exec->hadException())
reportCurrentException(exec);
}
void ScheduledAction::execute(Document* document)
{
JSDOMWindow* window = toJSDOMWindow(document->frame(), m_isolatedWorld.get());
if (!window)
return;
RefPtr<Frame> frame = window->impl()->frame();
if (!frame || !frame->script()->canExecuteScripts(AboutToExecuteScript))
return;
if (m_function)
executeFunctionInContext(window, window->shell(), document);
else
frame->script()->executeScriptInWorld(m_isolatedWorld.get(), m_code);
}
#if ENABLE(WORKERS)
void ScheduledAction::execute(WorkerGlobalScope* workerGlobalScope)
{
// In a Worker, the execution should always happen on a worker thread.
ASSERT(workerGlobalScope->thread()->threadID() == currentThread());
WorkerScriptController* scriptController = workerGlobalScope->script();
if (m_function) {
JSWorkerGlobalScope* contextWrapper = scriptController->workerGlobalScopeWrapper();
executeFunctionInContext(contextWrapper, contextWrapper, workerGlobalScope);
} else {
ScriptSourceCode code(m_code, workerGlobalScope->url());
scriptController->evaluate(code);
}
}
#endif // ENABLE(WORKERS)
} // namespace WebCore
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