diff options
Diffstat (limited to 'src/qml/qml/qqmlxmlhttprequest.cpp')
-rw-r--r-- | src/qml/qml/qqmlxmlhttprequest.cpp | 146 |
1 files changed, 47 insertions, 99 deletions
diff --git a/src/qml/qml/qqmlxmlhttprequest.cpp b/src/qml/qml/qqmlxmlhttprequest.cpp index 0edb672517..0870e2b2c5 100644 --- a/src/qml/qml/qqmlxmlhttprequest.cpp +++ b/src/qml/qml/qqmlxmlhttprequest.cpp @@ -95,16 +95,6 @@ static inline QQmlXMLHttpRequestData *xhrdata(ExecutionEngine *v4) return (QQmlXMLHttpRequestData *)v4->v8Engine->xmlHttpRequestData(); } -static ReturnedValue constructMeObject(const Value &thisObj, ExecutionEngine *v4) -{ - Scope scope(v4); - ScopedObject meObj(scope, v4->newObject()); - meObj->put(ScopedString(scope, v4->newString(QStringLiteral("ThisObject"))), thisObj); - ScopedValue v(scope, QmlContextWrapper::qmlScope(v4, v4->callingQmlContext(), 0)); - meObj->put(ScopedString(scope, v4->newString(QStringLiteral("ActivationObject"))), v); - return meObj.asReturnedValue(); -} - QQmlXMLHttpRequestData::QQmlXMLHttpRequestData() { } @@ -1015,7 +1005,7 @@ public: Opened = 1, HeadersReceived = 2, Loading = 3, Done = 4 }; - QQmlXMLHttpRequest(ExecutionEngine *engine, QNetworkAccessManager *manager); + QQmlXMLHttpRequest(QNetworkAccessManager *manager); virtual ~QQmlXMLHttpRequest(); bool sendFlag() const; @@ -1024,9 +1014,9 @@ public: int replyStatus() const; QString replyStatusText() const; - ReturnedValue open(const Value &me, const QString &, const QUrl &, LoadType); - ReturnedValue send(const Value &me, const QByteArray &); - ReturnedValue abort(const Value &me); + ReturnedValue open(Object *thisObject, QQmlContextData *context, const QString &, const QUrl &, LoadType); + ReturnedValue send(Object *thisObject, QQmlContextData *context, const QByteArray &); + ReturnedValue abort(Object *thisObject, QQmlContextData *context); void addHeader(const QString &, const QString &); QString header(const QString &name); @@ -1049,7 +1039,6 @@ private slots: private: void requestFromUrl(const QUrl &url); - ExecutionEngine *v4; State m_state; bool m_errorFlag; bool m_sendFlag; @@ -1073,12 +1062,11 @@ private: #endif void readEncoding(); - ReturnedValue getMe() const; - void setMe(const Value &me); - PersistentValue m_me; + PersistentValue m_thisObject; + QQmlGuardedContextData m_qmlContext; - void dispatchCallbackImpl(const Value &me); - void dispatchCallback(const Value &me); + static void dispatchCallback(Object *thisObj, QQmlContextData *context); + void dispatchCallback(); int m_status; QString m_statusText; @@ -1094,9 +1082,8 @@ private: QV4::PersistentValue m_parsedDocument; }; -QQmlXMLHttpRequest::QQmlXMLHttpRequest(ExecutionEngine *engine, QNetworkAccessManager *manager) - : v4(engine) - , m_state(Unsent), m_errorFlag(false), m_sendFlag(false) +QQmlXMLHttpRequest::QQmlXMLHttpRequest(QNetworkAccessManager *manager) + : m_state(Unsent), m_errorFlag(false), m_sendFlag(false) , m_redirectCount(0), m_gotXml(false), m_textCodec(0), m_network(0), m_nam(manager) , m_responseType() , m_parsedDocument() @@ -1133,7 +1120,7 @@ QString QQmlXMLHttpRequest::replyStatusText() const return m_statusText; } -ReturnedValue QQmlXMLHttpRequest::open(const Value &me, const QString &method, const QUrl &url, LoadType loadType) +ReturnedValue QQmlXMLHttpRequest::open(Object *thisObject, QQmlContextData *context, const QString &method, const QUrl &url, LoadType loadType) { destroyNetwork(); m_sendFlag = false; @@ -1144,7 +1131,7 @@ ReturnedValue QQmlXMLHttpRequest::open(const Value &me, const QString &method, c m_request.setAttribute(QNetworkRequest::SynchronousRequestAttribute, loadType == SynchronousLoad); m_state = Opened; m_addedHeaders.clear(); - dispatchCallback(me); + dispatchCallback(thisObject, context); return Encode::undefined(); } @@ -1279,21 +1266,22 @@ void QQmlXMLHttpRequest::requestFromUrl(const QUrl &url) } } -ReturnedValue QQmlXMLHttpRequest::send(const Value &me, const QByteArray &data) +ReturnedValue QQmlXMLHttpRequest::send(Object *thisObject, QQmlContextData *context, const QByteArray &data) { m_errorFlag = false; m_sendFlag = true; m_redirectCount = 0; m_data = data; - setMe(me); + m_thisObject = thisObject; + m_qmlContext = context; requestFromUrl(m_url); return Encode::undefined(); } -ReturnedValue QQmlXMLHttpRequest::abort(const Value &me) +ReturnedValue QQmlXMLHttpRequest::abort(Object *thisObject, QQmlContextData *context) { destroyNetwork(); m_responseEntityBody = QByteArray(); @@ -1306,7 +1294,7 @@ ReturnedValue QQmlXMLHttpRequest::abort(const Value &me) m_state = Done; m_sendFlag = false; - dispatchCallback(me); + dispatchCallback(thisObject, context); } m_state = Unsent; @@ -1314,16 +1302,6 @@ ReturnedValue QQmlXMLHttpRequest::abort(const Value &me) return Encode::undefined(); } -ReturnedValue QQmlXMLHttpRequest::getMe() const -{ - return m_me.value(); -} - -void QQmlXMLHttpRequest::setMe(const Value &me) -{ - m_me.set(v4, me); -} - void QQmlXMLHttpRequest::readyRead() { m_status = @@ -1331,14 +1309,11 @@ void QQmlXMLHttpRequest::readyRead() m_statusText = QString::fromUtf8(m_network->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray()); - Scope scope(v4); - ScopedValue me(scope, m_me.value()); - // ### We assume if this is called the headers are now available if (m_state < HeadersReceived) { m_state = HeadersReceived; fillHeadersList (); - dispatchCallback(me); + dispatchCallback(); } bool wasEmpty = m_responseEntityBody.isEmpty(); @@ -1346,7 +1321,7 @@ void QQmlXMLHttpRequest::readyRead() if (wasEmpty && !m_responseEntityBody.isEmpty()) m_state = Loading; - dispatchCallback(me); + dispatchCallback(); } static const char *errorToString(QNetworkReply::NetworkError error) @@ -1377,9 +1352,6 @@ void QQmlXMLHttpRequest::error(QNetworkReply::NetworkError error) qWarning().nospace() << " " << error << ' ' << errorToString(error) << ' ' << m_statusText; } - Scope scope(v4); - ScopedValue me(scope, m_me.value()); - if (error == QNetworkReply::ContentAccessDenied || error == QNetworkReply::ContentOperationNotPermittedError || error == QNetworkReply::ContentNotFoundError || @@ -1388,15 +1360,14 @@ void QQmlXMLHttpRequest::error(QNetworkReply::NetworkError error) error == QNetworkReply::UnknownContentError || error == QNetworkReply::ProtocolInvalidOperationError) { m_state = Loading; - dispatchCallback(me); + dispatchCallback(); } else { m_errorFlag = true; m_responseEntityBody = QByteArray(); } m_state = Done; - - dispatchCallback(me); + dispatchCallback(); } #define XMLHTTPREQUEST_MAXIMUM_REDIRECT_RECURSION 15 @@ -1428,7 +1399,7 @@ void QQmlXMLHttpRequest::finished() if (m_state < HeadersReceived) { m_state = HeadersReceived; fillHeadersList (); - dispatchCallback(*m_me.valueRef()); + dispatchCallback(); } m_responseEntityBody.append(m_network->readAll()); readEncoding(); @@ -1445,15 +1416,14 @@ void QQmlXMLHttpRequest::finished() destroyNetwork(); if (m_state < Loading) { m_state = Loading; - dispatchCallback(*m_me.valueRef()); + dispatchCallback(); } m_state = Done; - dispatchCallback(*m_me.valueRef()); + dispatchCallback(); - Scope scope(v4); - ScopedValue v(scope, Primitive::undefinedValue()); - setMe(v); + m_thisObject.clear(); + m_qmlContext.setContextData(0); } @@ -1567,57 +1537,38 @@ const QByteArray &QQmlXMLHttpRequest::rawResponseBody() const return m_responseEntityBody; } -void QQmlXMLHttpRequest::dispatchCallbackImpl(const Value &me) +void QQmlXMLHttpRequest::dispatchCallback(Object *thisObj, QQmlContextData *context) { - QV4::Scope scope(v4); - ScopedObject o(scope, me); - if (!o) { - v4->throwError(QStringLiteral("QQmlXMLHttpRequest: internal error: empty ThisObject")); - return; - } + Q_ASSERT(thisObj); - ScopedString s(scope, v4->newString(QStringLiteral("ThisObject"))); - ScopedObject thisObj(scope, o->get(s)); - if (!thisObj) { - v4->throwError(QStringLiteral("QQmlXMLHttpRequest: internal error: empty ThisObject")); + if (!context) + // if the calling context object is no longer valid, then it has been + // deleted explicitly (e.g., by a Loader deleting the itemContext when + // the source is changed). We do nothing in this case, as the evaluation + // cannot succeed. return; - } - s = v4->newString(QStringLiteral("onreadystatechange")); + QV4::Scope scope(thisObj->engine()); + ScopedString s(scope, scope.engine->newString(QStringLiteral("onreadystatechange"))); ScopedFunctionObject callback(scope, thisObj->get(s)); if (!callback) { // not an error, but no onreadystatechange function to call. return; } - s = v4->newString(QStringLiteral("ActivationObject")); - ScopedObject activationObject(scope, o->get(s)); - if (!activationObject) { - v4->throwError(QStringLiteral("QQmlXMLHttpRequest: internal error: empty ActivationObject")); - return; - } + QV4::ScopedCallData callData(scope); + callData->thisObject = Encode::undefined(); + callback->call(callData); - QQmlContextData *callingContext = QmlContextWrapper::getContext(activationObject); - if (callingContext) { - QV4::ScopedCallData callData(scope); - callData->thisObject = activationObject.asReturnedValue(); - callback->call(callData); + if (scope.engine->hasException) { + QQmlError error = scope.engine->catchExceptionAsQmlError(); + QQmlEnginePrivate::warning(QQmlEnginePrivate::get(scope.engine->qmlEngine()), error); } - - // if the callingContext object is no longer valid, then it has been - // deleted explicitly (e.g., by a Loader deleting the itemContext when - // the source is changed). We do nothing in this case, as the evaluation - // cannot succeed. - } -void QQmlXMLHttpRequest::dispatchCallback(const Value &me) +void QQmlXMLHttpRequest::dispatchCallback() { - dispatchCallbackImpl(me); - if (v4->hasException) { - QQmlError error = v4->catchExceptionAsQmlError(); - QQmlEnginePrivate::warning(QQmlEnginePrivate::get(v4->qmlEngine()), error); - } + dispatchCallback(m_thisObject.as<Object>(), m_qmlContext.contextData()); } void QQmlXMLHttpRequest::destroyNetwork() @@ -1676,7 +1627,7 @@ struct QQmlXMLHttpRequestCtor : public FunctionObject if (!ctor) return scope.engine->throwTypeError(); - QQmlXMLHttpRequest *r = new QQmlXMLHttpRequest(scope.engine, scope.engine->v8Engine->networkAccessManager()); + QQmlXMLHttpRequest *r = new QQmlXMLHttpRequest(scope.engine->v8Engine->networkAccessManager()); Scoped<QQmlXMLHttpRequestWrapper> w(scope, scope.engine->memoryManager->alloc<QQmlXMLHttpRequestWrapper>(scope.engine, r)); ScopedObject proto(scope, ctor->d()->proto); w->setPrototype(proto); @@ -1813,8 +1764,7 @@ ReturnedValue QQmlXMLHttpRequestCtor::method_open(CallContext *ctx) if (!username.isNull()) url.setUserName(username); if (!password.isNull()) url.setPassword(password); - ScopedValue meObject(scope, constructMeObject(ctx->thisObject(), scope.engine)); - return r->open(meObject, method, url, async ? QQmlXMLHttpRequest::AsynchronousLoad : QQmlXMLHttpRequest::SynchronousLoad); + return r->open(w, scope.engine->callingQmlContext(), method, url, async ? QQmlXMLHttpRequest::AsynchronousLoad : QQmlXMLHttpRequest::SynchronousLoad); } ReturnedValue QQmlXMLHttpRequestCtor::method_setRequestHeader(CallContext *ctx) @@ -1880,8 +1830,7 @@ ReturnedValue QQmlXMLHttpRequestCtor::method_send(CallContext *ctx) if (ctx->argc() > 0) data = ctx->args()[0].toQStringNoThrow().toUtf8(); - ScopedValue meObject(scope, constructMeObject(ctx->thisObject(), scope.engine)); - return r->send(meObject, data); + return r->send(w, scope.engine->callingQmlContext(), data); } ReturnedValue QQmlXMLHttpRequestCtor::method_abort(CallContext *ctx) @@ -1892,8 +1841,7 @@ ReturnedValue QQmlXMLHttpRequestCtor::method_abort(CallContext *ctx) V4THROW_REFERENCE("Not an XMLHttpRequest object"); QQmlXMLHttpRequest *r = w->d()->request; - ScopedValue meObject(scope, constructMeObject(ctx->thisObject(), scope.engine)); - return r->abort(meObject); + return r->abort(w, scope.engine->callingQmlContext()); } ReturnedValue QQmlXMLHttpRequestCtor::method_getResponseHeader(CallContext *ctx) |