Merge branch '4.7' of git://scm.dev.nokia.troll.no/qt/qt-doc-team

* '4.7' of git://scm.dev.nokia.troll.no/qt/qt-doc-team: (241 commits)
  Fix memory leak in QXmlQuery::setQuery.
  QDeclarativeMouseArea: block context menu events
  ListViews loses items if all visible items are removed.
  Make TextEdit word selection more natural.
  Clear confusion between QMainWindow and QMainWindowLayout.
  Fix for rounded corners bug in QMenu
  QWidgetPrivate::setParent_sys might be using null pointer
  Ensure the TextEdit cursor delegate is repositioned on mouse events.
  Don't crash on an invalid replacementStart from an input method.
  Fix incorrect hardware address on systems without getifaddrs()
  Enable multisampling on Symbian if hw supports it
  Fix QtCoreu.def file error
  Introduce platform extension to QGraphicsSystem
  Fix Symbian/WinsCW build break
  Prevent crash in OpenGL engine when scaling images / pixmaps.
  emit QNetWorkAccessManager::finished on QNetworkReply::abort()
  Fix -no-gui
  Don't run XLib check if -no-gui is used
  Ukrainian translation updated
  fix random miscompilation with msvc
  ...

12 files changed, 60 insertions, 20 deletions

diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index 700b455..bf2fa8f 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -557,6 +557,12 @@ bool QHttpNetworkConnectionChannel::ensureConnection()
             connectHost = connection->d_func()->networkProxy.hostName();
             connectPort = connection->d_func()->networkProxy.port();
         }
+        if (socket->proxy().type() == QNetworkProxy::HttpProxy) {
+            // Make user-agent field available to HTTP proxy socket engine (QTBUG-17223)
+            QByteArray value = request.headerField("user-agent");
+            if (!value.isEmpty())
+                socket->setProperty("_q_user-agent", value);
+        }
 #endif
         if (connection->d_func()->encrypt) {
 #ifndef QT_NO_OPENSSL
diff --git a/src/network/access/qhttpnetworkreply.cpp b/src/network/access/qhttpnetworkreply.cpp
index e608005..d329c10 100644
--- a/src/network/access/qhttpnetworkreply.cpp
+++ b/src/network/access/qhttpnetworkreply.cpp
@@ -811,8 +811,14 @@ bool QHttpNetworkReplyPrivate::expectContent()
         return false;
     if (request.operation() == QHttpNetworkRequest::Head)
         return !shouldEmitSignals();
-    if (contentLength() == 0)
+    qint64 expectedContentLength = contentLength();
+    if (expectedContentLength == 0)
         return false;
+    if (expectedContentLength == -1 && bodyLength == 0) {
+        // The content-length header was stripped, but its value was 0.
+        // This would be the case for an explicitly zero-length compressed response.
+        return false;
+    }
     return true;
 }
 
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index 108ac68..7c90f68 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -1001,14 +1001,11 @@ QNetworkCacheMetaData QNetworkAccessHttpBackend::fetchCacheMetaData(const QNetwo
         if (hop_by_hop)
             continue;
 
-        // for 4.6.0, we were planning to not store the date header in the
-        // cached resource; through that we planned to reduce the number
-        // of writes to disk when using a QNetworkDiskCache (i.e. don't
-        // write to disk when only the date changes).
-        // However, without the date we cannot calculate the age of the page
-        // anymore.
-        //if (header == "date")
-            //continue;
+        // we are currently not using the date header to determine the expiration time of a page,
+        // but only the "Expires", "max-age" and "s-maxage" headers, see
+        // QNetworkAccessHttpBackend::validateCache() and below ("metaData.setExpirationDate()").
+        if (header == "date")
+            continue;
 
         // Don't store Warning 1xx headers
         if (header == "warning") {
diff --git a/src/network/access/qnetworkaccessmanager.cpp b/src/network/access/qnetworkaccessmanager.cpp
index 5b518de..fc7c38d 100644
--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@@ -916,7 +916,7 @@ QNetworkAccessManager::NetworkAccessibility QNetworkAccessManager::networkAccess
     device will be uploaded to the server; in that case, data must be open for
     reading and must remain valid until the finished() signal is emitted for this reply.
 
-    \note This feature is currently available for HTTP only.
+    \note This feature is currently available for HTTP(S) only.
 
     \sa get(), post(), put(), deleteResource()
 */
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 894df79..09fab51 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -775,6 +775,8 @@ void QNetworkReplyImpl::abort()
     if (d->state != QNetworkReplyImplPrivate::Finished) {
         // emit signals
         d->error(OperationCanceledError, tr("Operation canceled"));
+        if (d->state == QNetworkReplyImplPrivate::WaitingForSession)
+            d->state = QNetworkReplyImplPrivate::Working;
         d->finished();
     }
     d->state = QNetworkReplyImplPrivate::Aborted;
@@ -913,10 +915,6 @@ bool QNetworkReplyImplPrivate::migrateBackend()
     if (state == Finished || state == Aborted)
         return true;
 
-    // Backend does not support resuming download.
-    if (!backend->canResume())
-        return false;
-
     // Request has outgoing data, not migrating.
     if (outgoingData)
         return false;
@@ -925,6 +923,10 @@ bool QNetworkReplyImplPrivate::migrateBackend()
     if (copyDevice)
         return true;
 
+    // Backend does not support resuming download.
+    if (!backend->canResume())
+        return false;
+
     state = QNetworkReplyImplPrivate::Reconnecting;
 
     if (backend) {
diff --git a/src/network/bearer/qnetworkconfigmanager.cpp b/src/network/bearer/qnetworkconfigmanager.cpp
index dc4e4f7..8634b6b 100644
--- a/src/network/bearer/qnetworkconfigmanager.cpp
+++ b/src/network/bearer/qnetworkconfigmanager.cpp
@@ -196,6 +196,9 @@ QNetworkConfigurationManagerPrivate *qNetworkConfigurationManagerPrivate()
 
 /*!
     Constructs a QNetworkConfigurationManager with the given \a parent.
+
+    Note that to ensure a valid list of current configurations immediately available, updating
+    is done during construction which causes some delay.
 */
 QNetworkConfigurationManager::QNetworkConfigurationManager( QObject* parent )
     : QObject(parent)
diff --git a/src/network/bearer/qnetworkconfigmanager_p.cpp b/src/network/bearer/qnetworkconfigmanager_p.cpp
index c321328..f703354 100644
--- a/src/network/bearer/qnetworkconfigmanager_p.cpp
+++ b/src/network/bearer/qnetworkconfigmanager_p.cpp
@@ -392,8 +392,6 @@ void QNetworkConfigurationManagerPrivate::updateConfigurations()
                         this, SLOT(configurationRemoved(QNetworkConfigurationPrivatePointer)));
                 connect(engine, SIGNAL(configurationChanged(QNetworkConfigurationPrivatePointer)),
                         this, SLOT(configurationChanged(QNetworkConfigurationPrivatePointer)));
-
-                QMetaObject::invokeMethod(engine, "initialize");
             }
         }
 
@@ -423,8 +421,19 @@ void QNetworkConfigurationManagerPrivate::updateConfigurations()
             startPolling();
     }
 
-    if (firstUpdate)
+    if (firstUpdate) {
         firstUpdate = false;
+        QList<QBearerEngine*> enginesToInitialize = sessionEngines; //shallow copy the list in case it is modified when we unlock mutex
+        Qt::ConnectionType connectionType;
+        if (QCoreApplicationPrivate::mainThread() == QThread::currentThread())
+            connectionType = Qt::DirectConnection;
+        else
+            connectionType = Qt::BlockingQueuedConnection;
+        locker.unlock();
+        foreach (QBearerEngine* engine, enginesToInitialize) {
+                QMetaObject::invokeMethod(engine, "initialize", connectionType);
+        }
+    }
 }
 
 void QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate()
diff --git a/src/network/bearer/qsharednetworksession.cpp b/src/network/bearer/qsharednetworksession.cpp
index 28ca173..fcb0128 100644
--- a/src/network/bearer/qsharednetworksession.cpp
+++ b/src/network/bearer/qsharednetworksession.cpp
@@ -59,6 +59,11 @@ inline QSharedNetworkSessionManager* sharedNetworkSessionManager()
     return rv;
 }
 
+static void doDeleteLater(QObject* obj)
+{
+    obj->deleteLater();
+}
+
 QSharedPointer<QNetworkSession> QSharedNetworkSessionManager::getSession(QNetworkConfiguration config)
 {
     QSharedNetworkSessionManager *m(sharedNetworkSessionManager());
@@ -69,7 +74,7 @@ QSharedPointer<QNetworkSession> QSharedNetworkSessionManager::getSession(QNetwor
             return p;
     }
     //otherwise make one
-    QSharedPointer<QNetworkSession> session(new QNetworkSession(config));
+    QSharedPointer<QNetworkSession> session(new QNetworkSession(config), doDeleteLater);
     m->sessions[config] = session;
     return session;
 }
diff --git a/src/network/kernel/qnetworkinterface_unix.cpp b/src/network/kernel/qnetworkinterface_unix.cpp
index 6098bde..7f251a7 100644
--- a/src/network/kernel/qnetworkinterface_unix.cpp
+++ b/src/network/kernel/qnetworkinterface_unix.cpp
@@ -219,7 +219,7 @@ static QNetworkInterfacePrivate *findInterface(int socket, QList<QNetworkInterfa
 #ifdef SIOCGIFHWADDR
         // Get the HW address
         if (qt_safe_ioctl(socket, SIOCGIFHWADDR, &req) >= 0) {
-            uchar *addr = (uchar *)&req.ifr_addr;
+            uchar *addr = (uchar *)req.ifr_addr.sa_data;
             iface->hardwareAddress = iface->makeHwAddress(6, addr);
         }
 #endif
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp
index f927ae2..0dc08d9 100644
--- a/src/network/socket/qabstractsocket.cpp
+++ b/src/network/socket/qabstractsocket.cpp
@@ -549,6 +549,10 @@ bool QAbstractSocketPrivate::initSocketLayer(QAbstractSocket::NetworkLayerProtoc
         q->setErrorString(QAbstractSocket::tr("Operation on socket is not supported"));
         return false;
     }
+#ifndef QT_NO_NETWORKPROXY
+    //copy user agent to socket engine (if it has been set)
+    socketEngine->setProperty("_q_user-agent", q->property("_q_user-agent"));
+#endif
     if (!socketEngine->initialize(q->socketType(), protocol)) {
 #if defined (QABSTRACTSOCKET_DEBUG)
         qDebug("QAbstractSocketPrivate::initSocketLayer(%s, %s) failed (%s)",
diff --git a/src/network/socket/qhttpsocketengine.cpp b/src/network/socket/qhttpsocketengine.cpp
index a338d97..cebff34 100644
--- a/src/network/socket/qhttpsocketengine.cpp
+++ b/src/network/socket/qhttpsocketengine.cpp
@@ -467,7 +467,13 @@ void QHttpSocketEngine::slotSocketConnected()
     data += path;
     data += " HTTP/1.1\r\n";
     data += "Proxy-Connection: keep-alive\r\n"
-            "User-Agent: Mozilla/5.0\r\n"
+            "User-Agent: ";
+    QVariant v = property("_q_user-agent");
+    if (v.isValid())
+        data += v.toByteArray();
+    else
+        data += "Mozilla/5.0";
+    data += "\r\n"
             "Host: " + peerAddress + "\r\n";
     QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(d->authenticator);
     //qDebug() << "slotSocketConnected: priv=" << priv << (priv ? (int)priv->method : -1);
diff --git a/src/network/ssl/qsslsocket.cpp b/src/network/ssl/qsslsocket.cpp
index 4252123..cf95adf 100644
--- a/src/network/ssl/qsslsocket.cpp
+++ b/src/network/ssl/qsslsocket.cpp
@@ -1698,6 +1698,8 @@ void QSslSocket::connectToHostImplementation(const QString &hostName, quint16 po
     }
 #ifndef QT_NO_NETWORKPROXY
     d->plainSocket->setProxy(proxy());
+    //copy user agent down to the plain socket (if it has been set)
+    d->plainSocket->setProperty("_q_user-agent", property("_q_user-agent"));
 #endif
     QIODevice::open(openMode);
     d->plainSocket->connectToHost(hostName, port, openMode);