QScriptValue QDeclarativeInclude::worker_include(QScriptContext *ctxt, QScriptEngine *engine)
{
if (ctxt->argumentCount() == 0)
return engine->undefinedValue();
QString urlString = ctxt->argument(0).toString();
QUrl url(ctxt->argument(0).toString());
if (url.isRelative()) {
QString contextUrl = QScriptDeclarativeClass::scopeChainValue(ctxt, -3).data().toString();
Q_ASSERT(!contextUrl.isEmpty());
url = QUrl(contextUrl).resolved(url);
urlString = url.toString();
}
QString localFile = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url);
QScriptValue func = ctxt->argument(1);
if (!func.isFunction())
func = QScriptValue();
QScriptValue result;
if (!localFile.isEmpty()) {
QFile f(localFile);
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QString code = QString::fromUtf8(data);
QScriptContext *scriptContext = QScriptDeclarativeClass::pushCleanContext(engine);
QScriptValue urlContext = engine->newObject();
urlContext.setData(QScriptValue(engine, urlString));
scriptContext->pushScope(urlContext);
QScriptValue scope = QScriptDeclarativeClass::scopeChainValue(ctxt, -4);
scriptContext->pushScope(scope);
scriptContext->setActivationObject(scope);
QDeclarativeScriptParser::extractPragmas(code);
engine->evaluate(code, urlString, 1);
engine->popContext();
if (engine->hasUncaughtException()) {
result = resultValue(engine, Exception);
result.setProperty(QLatin1String("exception"), engine->uncaughtException());
engine->clearExceptions();
} else {
result = resultValue(engine, Ok);
}
callback(engine, func, result);
} else {
result = resultValue(engine, NetworkError);
callback(engine, func, result);
}
}
return result;
}
QT_BEGIN_NAMESPACE
QV8Include::QV8Include(const QUrl &url, QV8Engine *engine, QDeclarativeContextData *context,
v8::Handle<v8::Object> qmlglobal, v8::Handle<v8::Function> callback)
: m_engine(engine), m_network(0), m_reply(0), m_url(url), m_redirectCount(0), m_context(context)
{
m_qmlglobal = qPersistentNew<v8::Object>(qmlglobal);
if (!callback.IsEmpty())
m_callbackFunction = qPersistentNew<v8::Function>(callback);
m_resultObject = qPersistentNew<v8::Object>(resultValue());
m_network = engine->networkAccessManager();
QNetworkRequest request;
request.setUrl(url);
m_reply = m_network->get(request);
QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
}
QT_BEGIN_NAMESPACE
QDeclarativeInclude::QDeclarativeInclude(const QUrl &url,
QDeclarativeEngine *engine,
QScriptContext *ctxt)
: QObject(engine), m_engine(engine), m_network(0), m_reply(0), m_url(url), m_redirectCount(0)
{
QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
m_context = ep->contextClass->contextFromValue(QScriptDeclarativeClass::scopeChainValue(ctxt, -3));
m_scope[0] = QScriptDeclarativeClass::scopeChainValue(ctxt, -4);
m_scope[1] = QScriptDeclarativeClass::scopeChainValue(ctxt, -5);
m_scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
m_network = QDeclarativeScriptEngine::get(m_scriptEngine)->networkAccessManager();
m_result = resultValue(m_scriptEngine);
QNetworkRequest request;
request.setUrl(url);
m_reply = m_network->get(request);
QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
}
void ResultModelItem::updateResult()
{
m_result = resultValue().toString();
}
/*
Documented in qdeclarativeengine.cpp
*/
QScriptValue QDeclarativeInclude::include(QScriptContext *ctxt, QScriptEngine *engine)
{
if (ctxt->argumentCount() == 0)
return engine->undefinedValue();
QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
QUrl contextUrl = ep->contextClass->urlFromValue(QScriptDeclarativeClass::scopeChainValue(ctxt, -3));
if (contextUrl.isEmpty())
return ctxt->throwError(QLatin1String("Qt.include(): Can only be called from JavaScript files"));
QString urlString = ctxt->argument(0).toString();
QUrl url(urlString);
if (url.isRelative()) {
url = QUrl(contextUrl).resolved(url);
urlString = url.toString();
}
QString localFile = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url);
QScriptValue func = ctxt->argument(1);
if (!func.isFunction())
func = QScriptValue();
QScriptValue result;
if (localFile.isEmpty()) {
QDeclarativeInclude *i =
new QDeclarativeInclude(url, QDeclarativeEnginePrivate::getEngine(engine), ctxt);
if (func.isValid())
i->setCallback(func);
result = i->result();
} else {
QFile f(localFile);
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QString code = QString::fromUtf8(data);
QDeclarativeContextData *context =
ep->contextClass->contextFromValue(QScriptDeclarativeClass::scopeChainValue(ctxt, -3));
QScriptContext *scriptContext = QScriptDeclarativeClass::pushCleanContext(engine);
scriptContext->pushScope(ep->contextClass->newUrlContext(context, 0, urlString));
scriptContext->pushScope(ep->globalClass->staticGlobalObject());
QScriptValue scope = QScriptDeclarativeClass::scopeChainValue(ctxt, -5);
scriptContext->pushScope(scope);
scriptContext->setActivationObject(scope);
QDeclarativeScriptParser::extractPragmas(code);
engine->evaluate(code, urlString, 1);
engine->popContext();
if (engine->hasUncaughtException()) {
result = resultValue(engine, Exception);
result.setProperty(QLatin1String("exception"), engine->uncaughtException());
engine->clearExceptions();
} else {
result = resultValue(engine, Ok);
}
callback(engine, func, result);
} else {
result = resultValue(engine, NetworkError);
callback(engine, func, result);
}
}
return result;
}
/*
Documented in qv8engine.cpp
*/
v8::Handle<v8::Value> QV8Include::include(const v8::Arguments &args)
{
if (args.Length() == 0)
return v8::Undefined();
QV8Engine *engine = V8ENGINE();
QDeclarativeContextData *context = engine->callingContext();
if (!context || !context->isJSContext)
V8THROW_ERROR("Qt.include(): Can only be called from JavaScript files");
QUrl url(context->resolvedUrl(QUrl(engine->toString(args[0]->ToString()))));
v8::Local<v8::Function> callbackFunction;
if (args.Length() >= 2 && args[1]->IsFunction())
callbackFunction = v8::Local<v8::Function>::Cast(args[1]);
QString localFile = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url);
v8::Local<v8::Object> result;
if (localFile.isEmpty()) {
QV8Include *i = new QV8Include(url, engine, context,
v8::Context::GetCallingQmlGlobal(),
callbackFunction);
result = v8::Local<v8::Object>::New(i->result());
} else {
QFile f(localFile);
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QString code = QString::fromUtf8(data);
QDeclarativeScriptParser::extractPragmas(code);
QDeclarativeContextData *importContext = new QDeclarativeContextData;
importContext->isInternal = true;
importContext->isJSContext = true;
importContext->url = url;
importContext->setParent(context, true);
v8::TryCatch try_catch;
v8::Local<v8::Script> script = engine->qmlModeCompile(code, url.toString());
if (!try_catch.HasCaught()) {
v8::Local<v8::Object> qmlglobal = v8::Context::GetCallingQmlGlobal();
engine->contextWrapper()->addSubContext(qmlglobal, script, importContext);
script->Run(qmlglobal);
}
if (try_catch.HasCaught()) {
result = resultValue(Exception);
result->Set(v8::String::New("exception"), try_catch.Exception());
} else {
result = resultValue(Ok);
}
} else {
result = resultValue(NetworkError);
}
callback(engine, callbackFunction, result);
}
if (result.IsEmpty())
return v8::Undefined();
else
return result;
}
