blob: b6315a2af7d1f951834b75fc0e6b98540d77e3ab [file] [log] [blame]
/*
* Copyright (C) 2000 Harri Porten (porten@kde.org)
* Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
* Copyright (C) 2003-2017 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 "DOMWrapperWorld.h"
#include "Document.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMWindow.h"
#include "JSExecState.h"
#include "JSExecStateInstrumentation.h"
#include "JSWorkerGlobalScope.h"
#include "ScriptController.h"
#include "ScriptExecutionContext.h"
#include "ScriptSourceCode.h"
#include "WorkerGlobalScope.h"
#include "WorkerThread.h"
#include <JavaScriptCore/JSLock.h>
namespace WebCore {
using namespace JSC;
std::unique_ptr<ScheduledAction> ScheduledAction::create(DOMWrapperWorld& isolatedWorld, JSC::Strong<JSC::Unknown>&& function)
{
return std::unique_ptr<ScheduledAction>(new ScheduledAction(isolatedWorld, WTFMove(function)));
}
std::unique_ptr<ScheduledAction> ScheduledAction::create(DOMWrapperWorld& isolatedWorld, String&& code)
{
return std::unique_ptr<ScheduledAction>(new ScheduledAction(isolatedWorld, WTFMove(code)));
}
ScheduledAction::ScheduledAction(DOMWrapperWorld& isolatedWorld, JSC::Strong<JSC::Unknown>&& function)
: m_isolatedWorld(isolatedWorld)
, m_function(WTFMove(function))
{
}
ScheduledAction::ScheduledAction(DOMWrapperWorld& isolatedWorld, String&& code)
: m_isolatedWorld(isolatedWorld)
, m_function(isolatedWorld.vm())
, m_code(WTFMove(code))
{
}
ScheduledAction::~ScheduledAction() = default;
void ScheduledAction::addArguments(Vector<JSC::Strong<JSC::Unknown>>&& arguments)
{
m_arguments = WTFMove(arguments);
}
auto ScheduledAction::type() const -> Type
{
return m_function ? Type::Function : Type::Code;
}
void ScheduledAction::execute(ScriptExecutionContext& context)
{
if (is<Document>(context))
execute(downcast<Document>(context));
else
execute(downcast<WorkerGlobalScope>(context));
}
void ScheduledAction::executeFunctionInContext(JSGlobalObject* globalObject, JSValue thisValue, ScriptExecutionContext& context)
{
ASSERT(m_function);
VM& vm = context.vm();
JSLockHolder lock(vm);
auto scope = DECLARE_THROW_SCOPE(vm);
CallData callData;
CallType callType = getCallData(vm, m_function.get(), callData);
if (callType == CallType::None)
return;
ExecState* exec = globalObject->globalExec();
MarkedArgumentBuffer arguments;
for (auto& argument : m_arguments)
arguments.append(argument.get());
if (UNLIKELY(arguments.hasOverflowed())) {
throwOutOfMemoryError(exec, scope);
NakedPtr<JSC::Exception> exception = scope.exception();
reportException(exec, exception);
return;
}
JSExecState::instrumentFunctionCall(&context, callType, callData);
NakedPtr<JSC::Exception> exception;
JSExecState::profiledCall(exec, JSC::ProfilingReason::Other, m_function.get(), callType, callData, thisValue, arguments, exception);
InspectorInstrumentation::didCallFunction(&context);
if (exception)
reportException(exec, exception);
}
void ScheduledAction::execute(Document& document)
{
JSDOMWindow* window = toJSDOMWindow(document.frame(), m_isolatedWorld);
if (!window)
return;
RefPtr<Frame> frame = window->wrapped().frame();
if (!frame || !frame->script().canExecuteScripts(AboutToExecuteScript))
return;
if (m_function)
executeFunctionInContext(window, window->proxy(), document);
else
frame->script().executeScriptInWorld(m_isolatedWorld, m_code);
}
void ScheduledAction::execute(WorkerGlobalScope& workerGlobalScope)
{
// In a Worker, the execution should always happen on a worker thread.
ASSERT(workerGlobalScope.thread().thread() == &Thread::current());
WorkerScriptController* scriptController = workerGlobalScope.script();
if (m_function) {
JSWorkerGlobalScope* contextWrapper = scriptController->workerGlobalScopeWrapper();
executeFunctionInContext(contextWrapper, contextWrapper, workerGlobalScope);
} else {
ScriptSourceCode code(m_code, URL(workerGlobalScope.url()));
scriptController->evaluate(code);
}
}
} // namespace WebCore