choke uploadProgress signals
[profile/ivi/qtbase.git] / src / network / access / qnetworkreplyimpl.cpp
index d535cbd..d039347 100644 (file)
@@ -94,7 +94,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
 
 #ifndef QT_NO_BEARERMANAGEMENT
     // Do not start background requests if they are not allowed by session policy
-    QSharedPointer<QNetworkSession> session(manager->d_func()->networkSession);
+    QSharedPointer<QNetworkSession> session(manager->d_func()->getNetworkSession());
     QVariant isBackground = backend->request().attribute(QNetworkRequest::BackgroundRequestAttribute, QVariant::fromValue(false));
     if (isBackground.toBool() && session && session->usagePolicies().testFlag(QNetworkSession::NoBackgroundTrafficPolicy)) {
         error(QNetworkReply::BackgroundRequestNotAllowedError,
@@ -136,11 +136,17 @@ void QNetworkReplyImplPrivate::_q_startOperation()
         return;
     }
 
+#ifndef QT_NO_BEARERMANAGEMENT
     if (session) {
         //get notification of policy changes.
         QObject::connect(session.data(), SIGNAL(usagePoliciesChanged(QNetworkSession::UsagePolicies)),
                     q, SLOT(_q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies)));
     }
+#endif
+
+    // Prepare timer for progress notifications
+    downloadProgressSignalChoke.start();
+    uploadProgressSignalChoke.invalidate();
 
     if (backend && backend->isSynchronous()) {
         state = Finished;
@@ -208,8 +214,11 @@ void QNetworkReplyImplPrivate::_q_copyReadyRead()
     // emit readyRead before downloadProgress incase this will cause events to be
     // processed and we get into a recursive call (as in QProgressDialog).
     emit q->readyRead();
-    emit q->downloadProgress(bytesDownloaded,
+    if (downloadProgressSignalChoke.elapsed() >= progressSignalInterval) {
+        downloadProgressSignalChoke.restart();
+        emit q->downloadProgress(bytesDownloaded,
                              totalSize.isNull() ? Q_INT64_C(-1) : totalSize.toLongLong());
+    }
     resumeNotificationHandling();
 }
 
@@ -286,7 +295,7 @@ void QNetworkReplyImplPrivate::_q_networkSessionConnected()
     if (manager.isNull())
         return;
 
-    QNetworkSession *session = manager->d_func()->networkSession.data();
+    QSharedPointer<QNetworkSession> session = manager->d_func()->getNetworkSession();
     if (!session)
         return;
 
@@ -314,7 +323,7 @@ void QNetworkReplyImplPrivate::_q_networkSessionFailed()
     // Abort waiting and working replies.
     if (state == WaitingForSession || state == Working) {
         state = Working;
-        QSharedPointer<QNetworkSession> session(manager->d_func()->networkSession);
+        QSharedPointer<QNetworkSession> session(manager->d_func()->getNetworkSession());
         QString errorStr;
         if (session)
             errorStr = session->errorString();
@@ -542,6 +551,17 @@ void QNetworkReplyImplPrivate::emitUploadProgress(qint64 bytesSent, qint64 bytes
 {
     Q_Q(QNetworkReplyImpl);
     bytesUploaded = bytesSent;
+
+    //choke signal emissions, except the first and last signals which are unconditional
+    if (uploadProgressSignalChoke.isValid()) {
+        if (bytesSent != bytesTotal && uploadProgressSignalChoke.elapsed() < progressSignalInterval) {
+            return;
+        }
+        uploadProgressSignalChoke.restart();
+    } else {
+        uploadProgressSignalChoke.start();
+    }
+
     pauseNotificationHandling();
     emit q->uploadProgress(bytesSent, bytesTotal);
     resumeNotificationHandling();
@@ -638,8 +658,11 @@ void QNetworkReplyImplPrivate::appendDownstreamDataSignalEmissions()
     emit q->readyRead();
     // emit readyRead before downloadProgress incase this will cause events to be
     // processed and we get into a recursive call (as in QProgressDialog).
-    emit q->downloadProgress(bytesDownloaded,
+    if (downloadProgressSignalChoke.elapsed() >= progressSignalInterval) {
+        downloadProgressSignalChoke.restart();
+        emit q->downloadProgress(bytesDownloaded,
                              totalSize.isNull() ? Q_INT64_C(-1) : totalSize.toLongLong());
+    }
 
     resumeNotificationHandling();
     // do we still have room in the buffer?
@@ -698,7 +721,7 @@ char* QNetworkReplyImplPrivate::getDownloadBuffer(qint64 size)
             downloadBuffer = new char[downloadBufferMaximumSize]; // throws if allocation fails
             downloadBufferPointer = QSharedPointer<char>(downloadBuffer, downloadBufferDeleter);
 
-            q->setAttribute(QNetworkRequest::DownloadBufferAttribute, qVariantFromValue<QSharedPointer<char> > (downloadBufferPointer));
+            q->setAttribute(QNetworkRequest::DownloadBufferAttribute, QVariant::fromValue<QSharedPointer<char> > (downloadBufferPointer));
         }
     }
 
@@ -713,7 +736,7 @@ void QNetworkReplyImplPrivate::setDownloadBuffer(QSharedPointer<char> sp, qint64
     downloadBuffer = downloadBufferPointer.data();
     downloadBufferCurrentSize = 0;
     downloadBufferMaximumSize = size;
-    q->setAttribute(QNetworkRequest::DownloadBufferAttribute, qVariantFromValue<QSharedPointer<char> > (downloadBufferPointer));
+    q->setAttribute(QNetworkRequest::DownloadBufferAttribute, QVariant::fromValue<QSharedPointer<char> > (downloadBufferPointer));
 }
 
 
@@ -745,7 +768,10 @@ void QNetworkReplyImplPrivate::appendDownstreamDataDownloadBuffer(qint64 bytesRe
     // processed and we get into a recursive call (as in QProgressDialog).
     if (bytesDownloaded > 0)
         emit q->readyRead();
-    emit q->downloadProgress(bytesDownloaded, bytesTotal);
+    if (downloadProgressSignalChoke.elapsed() >= progressSignalInterval) {
+        downloadProgressSignalChoke.restart();
+        emit q->downloadProgress(bytesDownloaded, bytesTotal);
+    }
 }
 
 void QNetworkReplyImplPrivate::finished()
@@ -762,7 +788,7 @@ void QNetworkReplyImplPrivate::finished()
 
     if (!manager.isNull()) {
 #ifndef QT_NO_BEARERMANAGEMENT
-        QNetworkSession *session = manager->d_func()->networkSession.data();
+        QSharedPointer<QNetworkSession> session (manager->d_func()->getNetworkSession());
         if (session && session->state() == QNetworkSession::Roaming &&
             state == Working && errorCode != QNetworkReply::OperationCanceledError) {
             // only content with a known size will fail with a temporary network failure error
@@ -793,6 +819,8 @@ void QNetworkReplyImplPrivate::finished()
     pauseNotificationHandling();
     if (totalSize.isNull() || totalSize == -1) {
         emit q->downloadProgress(bytesDownloaded, bytesDownloaded);
+    } else {
+        emit q->downloadProgress(bytesDownloaded, totalSize.toLongLong());
     }
 
     if (bytesUploaded == -1 && (outgoingData || outgoingDataBuffer))