QHttpNetworkReply: Cache isChunked

Cache return value of expensive function.

Reviewed-by: Peter Hartmann

1 files changed, 5 insertions, 1 deletions

diff --git a/src/network/access/qhttpnetworkreply.cpp b/src/network/access/qhttpnetworkreply.cpp
index 483589b539..7a616aa7eb 100644
--- a/src/network/access/qhttpnetworkreply.cpp
+++ b/src/network/access/qhttpnetworkreply.cpp
@@ -201,6 +201,7 @@ bool QHttpNetworkReply::isFinished() const
 QHttpNetworkReplyPrivate::QHttpNetworkReplyPrivate(const QUrl &newUrl)
     : QHttpNetworkHeaderPrivate(newUrl), state(NothingDoneState), statusCode(100),
       majorVersion(0), minorVersion(0), bodyLength(0), contentRead(0), totalProgress(0),
+      chunkedTransferEncoding(0),
       currentChunkSize(0), currentChunkRead(0), connection(0), initInflate(false),
       autoDecompress(false), responseData(0), requestIsPrepared(false)
 {
@@ -506,6 +507,9 @@ qint64 QHttpNetworkReplyPrivate::readHeader(QAbstractSocket *socket)
         state = ReadingDataState;
         fragment.clear(); // next fragment
         bodyLength = contentLength(); // cache the length
+
+        // cache isChunked() since it is called often
+        chunkedTransferEncoding = headerField("transfer-encoding").toLower().contains("chunked");
     }
     return bytes;
 }
@@ -546,7 +550,7 @@ void QHttpNetworkReplyPrivate::parseHeader(const QByteArray &header)
 
 bool QHttpNetworkReplyPrivate::isChunked()
 {
-    return headerField("transfer-encoding").toLower().contains("chunked");
+    return chunkedTransferEncoding;
 }
 
 bool QHttpNetworkReplyPrivate::connectionCloseEnabled()