1 files changed, 30 insertions, 0 deletions
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 265ebe9..d1dbdc9 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -56,6 +56,7 @@ inline QNetworkReplyImplPrivate::QNetworkReplyImplPrivate()
     : backend(0), outgoingData(0), outgoingDataBuffer(0),
       copyDevice(0), networkCache(0),
       cacheEnabled(false), cacheSaveDevice(0),
+      notificationHandlingPaused(false),
       bytesDownloaded(0), lastBytesDownloaded(-1), bytesUploaded(-1),
       state(Idle)
 {
@@ -126,9 +127,11 @@ void QNetworkReplyImplPrivate::_q_copyReadyRead()
 
     lastBytesDownloaded = bytesDownloaded;
     QVariant totalSize = cookedHeaders.value(QNetworkRequest::ContentLengthHeader);
+    pauseNotificationHandling();
     emit q->downloadProgress(bytesDownloaded,
                              totalSize.isNull() ? Q_INT64_C(-1) : totalSize.toLongLong());
     emit q->readyRead();
+    resumeNotificationHandling();
 }
 
 void QNetworkReplyImplPrivate::_q_copyReadChannelFinished()
@@ -262,6 +265,9 @@ void QNetworkReplyImplPrivate::backendNotify(InternalNotifications notification)
 
 void QNetworkReplyImplPrivate::handleNotifications()
 {
+    if (notificationHandlingPaused)
+        return;
+
     NotificationQueue current = pendingNotifications;
     pendingNotifications.clear();
 
@@ -292,6 +298,22 @@ void QNetworkReplyImplPrivate::handleNotifications()
     }
 }
 
+// Do not handle the notifications while we are emitting downloadProgress
+// or readyRead
+void QNetworkReplyImplPrivate::pauseNotificationHandling()
+{
+    notificationHandlingPaused = true;
+}
+
+// Resume notification handling
+void QNetworkReplyImplPrivate::resumeNotificationHandling()
+{
+    Q_Q(QNetworkReplyImpl);
+    notificationHandlingPaused = false;
+    if (pendingNotifications.size() >= 1)
+        QCoreApplication::postEvent(q, new QEvent(QEvent::NetworkReplyUpdated));
+}
+
 void QNetworkReplyImplPrivate::createCache()
 {
     // check if we can save and if we're allowed to
@@ -347,7 +369,9 @@ void QNetworkReplyImplPrivate::emitUploadProgress(qint64 bytesSent, qint64 bytes
 {
     Q_Q(QNetworkReplyImpl);
     bytesUploaded = bytesSent;
+    pauseNotificationHandling();
     emit q->uploadProgress(bytesSent, bytesTotal);
+    resumeNotificationHandling();
 }
 
 
@@ -398,12 +422,14 @@ void QNetworkReplyImplPrivate::appendDownstreamData(const QByteArray &data)
     QPointer<QNetworkReplyImpl> qq = q;
 
     QVariant totalSize = cookedHeaders.value(QNetworkRequest::ContentLengthHeader);
+    pauseNotificationHandling();
     emit q->downloadProgress(bytesDownloaded,
                              totalSize.isNull() ? Q_INT64_C(-1) : totalSize.toLongLong());
     emit q->readyRead();
 
     // hopefully we haven't been deleted here
     if (!qq.isNull()) {
+        resumeNotificationHandling();
         // do we still have room in the buffer?
         if (nextDownstreamBlockSize() > 0)
             backendNotify(QNetworkReplyImplPrivate::NotifyDownstreamReadyWrite);
@@ -441,6 +467,7 @@ void QNetworkReplyImplPrivate::finished()
     state = Finished;
     pendingNotifications.clear();
 
+    pauseNotificationHandling();
     QVariant totalSize = cookedHeaders.value(QNetworkRequest::ContentLengthHeader);
     if (totalSize.isNull() || totalSize == -1) {
         emit q->downloadProgress(bytesDownloaded, bytesDownloaded);
@@ -448,14 +475,17 @@ void QNetworkReplyImplPrivate::finished()
 
     if (bytesUploaded == -1 && (outgoingData || outgoingDataBuffer))
         emit q->uploadProgress(0, 0);
+    resumeNotificationHandling();
 
     completeCacheSave();
 
     // note: might not be a good idea, since users could decide to delete us
     // which would delete the backend too...
     // maybe we should protect the backend
+    pauseNotificationHandling();
     emit q->readChannelFinished();
     emit q->finished();
+    resumeNotificationHandling();
 }
 
 void QNetworkReplyImplPrivate::error(QNetworkReplyImpl::NetworkError code, const QString &errorMessage)