void WorkerScriptDebugServer::addListener(ScriptDebugListener* listener, WorkerContext* workerContext)
{
v8::HandleScope scope;
v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext();
v8::Context::Scope contextScope(debuggerContext);
if (!m_listenersMap.size()) {
// FIXME: synchronize access to this code.
ensureDebuggerScriptCompiled();
ASSERT(!m_debuggerScript.get()->IsUndefined());
v8::Debug::SetDebugEventListener2(&WorkerScriptDebugServer::v8DebugEventCallback, v8::External::New(this));
}
m_listenersMap.set(workerContext, listener);
WorkerContextExecutionProxy* proxy = workerContext->script()->proxy();
if (!proxy)
return;
v8::Handle<v8::Context> context = proxy->context();
v8::Handle<v8::Function> getScriptsFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("getWorkerScripts")));
v8::Handle<v8::Value> argv[] = { v8::Handle<v8::Value>() };
v8::Handle<v8::Value> value = getScriptsFunction->Call(m_debuggerScript.get(), 0, argv);
if (value.IsEmpty())
return;
ASSERT(!value->IsUndefined() && value->IsArray());
v8::Handle<v8::Array> scriptsArray = v8::Handle<v8::Array>::Cast(value);
for (unsigned i = 0; i < scriptsArray->Length(); ++i)
dispatchDidParseSource(listener, v8::Handle<v8::Object>::Cast(scriptsArray->Get(v8::Integer::New(i))));
}
// static
WorkerContextProxy* WebWorkerClientImpl::createWorkerContextProxy(Worker* worker)
{
// Special behavior for multiple workers per process.
// FIXME: v8 doesn't support more than one workers per process.
// if (!worker->scriptExecutionContext()->isDocument())
// return new WorkerMessagingProxy(worker);
WebWorker* webWorker = 0;
WebWorkerClientImpl* proxy = new WebWorkerClientImpl(worker);
if (worker->scriptExecutionContext()->isDocument()) {
Document* document = static_cast<Document*>(
worker->scriptExecutionContext());
WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
webWorker = webFrame->client()->createWorker(webFrame, proxy);
} else {
WorkerContextExecutionProxy* currentContext =
WorkerContextExecutionProxy::retrieve();
if (!currentContext) {
ASSERT_NOT_REACHED();
return 0;
}
DedicatedWorkerThread* thread =
static_cast<DedicatedWorkerThread*>(currentContext->workerContext()->thread());
WorkerObjectProxy* workerObjectProxy = &thread->workerObjectProxy();
WebWorkerImpl* impl = reinterpret_cast<WebWorkerImpl*>(workerObjectProxy);
webWorker = impl->client()->createWorker(proxy);
}
proxy->setWebWorker(webWorker);
return proxy;
}
void V8WorkerContextEventListener::handleEvent(ScriptExecutionContext* context, Event* event)
{
if (!context)
return;
// The callback function on XMLHttpRequest can clear the event listener and destroys 'this' object. Keep a local reference to it.
// See issue 889829.
RefPtr<V8AbstractEventListener> protect(this);
v8::HandleScope handleScope;
WorkerContextExecutionProxy* proxy = workerProxy(context);
if (!proxy)
return;
v8::Handle<v8::Context> v8Context = proxy->context();
if (v8Context.IsEmpty())
return;
// Enter the V8 context in which to perform the event handling.
v8::Context::Scope scope(v8Context);
// Get the V8 wrapper for the event object.
v8::Handle<v8::Value> jsEvent = toV8(event);
invokeEventHandler(context, event, jsEvent);
}
ScriptState* scriptStateFromWorkerContext(WorkerContext* workerContext)
{
WorkerContextExecutionProxy* proxy = workerContext->script()->proxy();
if (!proxy)
return 0;
v8::HandleScope handleScope;
v8::Local<v8::Context> context = proxy->context();
return ScriptState::forContext(context);
}
v8::Local<v8::Function> V8DOMWrapper::getConstructor(V8ClassIndex::V8WrapperType type, WorkerContext*)
{
WorkerContextExecutionProxy* proxy = WorkerContextExecutionProxy::retrieve();
if (!proxy)
return v8::Local<v8::Function>();
v8::Handle<v8::Context> context = proxy->context();
if (context.IsEmpty())
return v8::Local<v8::Function>();
return getConstructorForContext(type, context);
}
v8::Handle<v8::Value> toV8(WorkerContext* impl)
{
if (!impl)
return v8::Null();
WorkerContextExecutionProxy* proxy = impl->script()->proxy();
if (!proxy)
return v8::Null();
v8::Handle<v8::Object> global = proxy->context()->Global();
ASSERT(!global.IsEmpty());
return global;
}
v8::Local<v8::Function> V8DOMWrapper::getConstructor(WrapperTypeInfo* type, WorkerContext*)
{
WorkerScriptController* controller = WorkerScriptController::controllerForContext();
WorkerContextExecutionProxy* proxy = controller ? controller->proxy() : 0;
if (!proxy)
return v8::Local<v8::Function>();
v8::Handle<v8::Context> context = proxy->context();
if (context.IsEmpty())
return v8::Local<v8::Function>();
return getConstructorForContext(type, context);
}
v8::Handle<v8::Value> toV8(WorkerContext* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
// Notice that we explicitly ignore creationContext because the WorkerContext is its own creationContext.
if (!impl)
return v8NullWithCheck(isolate);
WorkerContextExecutionProxy* proxy = impl->script()->proxy();
if (!proxy)
return v8NullWithCheck(isolate);
v8::Handle<v8::Object> global = proxy->context()->Global();
ASSERT(!global.IsEmpty());
return global;
}
ScriptExecutionContext* getScriptExecutionContext(ScriptState* scriptState)
{
#if ENABLE(WORKERS)
WorkerContextExecutionProxy* proxy = WorkerContextExecutionProxy::retrieve();
if (proxy)
return proxy->workerContext()->scriptExecutionContext();
#endif
if (scriptState)
return scriptState->frame()->document()->scriptExecutionContext();
else {
Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
if (frame)
return frame->document()->scriptExecutionContext();
}
return 0;
}
v8::Handle<v8::Value> SetTimeoutOrInterval(const v8::Arguments& args, bool singleShot)
{
WorkerContext* workerContext = V8WorkerContext::toNative(args.Holder());
int argumentCount = args.Length();
if (argumentCount < 1)
return v8::Undefined();
v8::Handle<v8::Value> function = args[0];
int32_t timeout = argumentCount >= 2 ? args[1]->Int32Value() : 0;
int timerId;
WorkerContextExecutionProxy* proxy = workerContext->script()->proxy();
if (!proxy)
return v8::Undefined();
v8::Handle<v8::Context> v8Context = proxy->context();
if (function->IsString()) {
if (ContentSecurityPolicy* policy = workerContext->contentSecurityPolicy()) {
if (!policy->allowEval())
return v8Integer(0, args.GetIsolate());
}
WTF::String stringFunction = toWebCoreString(function);
timerId = DOMTimer::install(workerContext, adoptPtr(new ScheduledAction(v8Context, stringFunction, workerContext->url())), timeout, singleShot);
} else if (function->IsFunction()) {
size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0;
v8::Local<v8::Value>* params = 0;
if (paramCount > 0) {
params = new v8::Local<v8::Value>[paramCount];
for (size_t i = 0; i < paramCount; ++i)
params[i] = args[i+2];
}
// ScheduledAction takes ownership of actual params and releases them in its destructor.
OwnPtr<ScheduledAction> action = adoptPtr(new ScheduledAction(v8Context, v8::Handle<v8::Function>::Cast(function), paramCount, params));
// FIXME: We should use a OwnArrayPtr for params.
delete [] params;
timerId = DOMTimer::install(workerContext, action.release(), timeout, singleShot);
} else
return v8::Undefined();
return v8Integer(timerId, args.GetIsolate());
}
ScriptExecutionContext* getScriptExecutionContext(ScriptState* scriptState)
{
#if ENABLE(WORKERS)
WorkerContextExecutionProxy* proxy = WorkerContextExecutionProxy::retrieve();
if (proxy)
return proxy->workerContext()->scriptExecutionContext();
#endif
Frame* frame;
if (scriptState) {
v8::HandleScope handleScope;
frame = V8Proxy::retrieveFrame(scriptState->context());
} else
frame = V8Proxy::retrieveFrameForCurrentContext();
if (frame)
return frame->document()->scriptExecutionContext();
return 0;
}
v8::Handle<v8::Value> SetTimeoutOrInterval(const v8::Arguments& args, bool singleShot)
{
WorkerContext* workerContext = V8WorkerContext::toNative(args.Holder());
int argumentCount = args.Length();
if (argumentCount < 1)
return v8::Undefined();
v8::Handle<v8::Value> function = args[0];
int32_t timeout = argumentCount >= 2 ? args[1]->Int32Value() : 0;
int timerId;
WorkerContextExecutionProxy* proxy = workerContext->script()->proxy();
if (!proxy)
return v8::Undefined();
v8::Handle<v8::Context> v8Context = proxy->context();
if (function->IsString()) {
WTF::String stringFunction = toWebCoreString(function);
timerId = DOMTimer::install(workerContext, new ScheduledAction(v8Context, stringFunction, workerContext->url()), timeout, singleShot);
} else if (function->IsFunction()) {
size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0;
v8::Local<v8::Value>* params = 0;
if (paramCount > 0) {
params = new v8::Local<v8::Value>[paramCount];
for (size_t i = 0; i < paramCount; ++i)
params[i] = args[i+2];
}
// ScheduledAction takes ownership of actual params and releases them in its destructor.
ScheduledAction* action = new ScheduledAction(v8Context, v8::Handle<v8::Function>::Cast(function), paramCount, params);
delete [] params;
timerId = DOMTimer::install(workerContext, action, timeout, singleShot);
} else
return v8::Undefined();
return v8::Integer::New(timerId);
}
v8::Local<v8::Function> V8DOMWrapper::constructorForType(WrapperTypeInfo* type, WorkerContext*)
{
WorkerScriptController* controller = WorkerScriptController::controllerForContext();
WorkerContextExecutionProxy* proxy = controller ? controller->proxy() : 0;
return proxy ? proxy->perContextData()->constructorForType(type) : v8::Local<v8::Function>();
}
V8BindingPerContextData* V8DOMWrapper::perContextData(WorkerContext*)
{
WorkerScriptController* controller = WorkerScriptController::controllerForContext();
WorkerContextExecutionProxy* proxy = controller ? controller->proxy() : 0;
return proxy ? proxy->perContextData() : 0;
}