Merge branch 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration:
  Changes to driver workarounds.
  Switch to raster also when last window is destroyed (on MeeGo).
  Fix accidental population of the disk cache with partial content
  Fix disk cache interaction for range retrieval HTTP requests.
  Clipboard/Windows: Fix a hang when sending to non-responsive clients.

2 files changed, 12 insertions, 0 deletions

diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index 4908e0a..a031cd0 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -233,6 +233,11 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
         return;
     }
 
+    // The disk cache API does not currently support partial content retrieval.
+    // That is why we don't use the disk cache for any such requests.
+    if (request().hasRawHeader("Range"))
+        return;
+
     QAbstractNetworkCache *nc = networkCache();
     if (!nc)
         return;                 // no local cache
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 485f449..1c9fa3e 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -514,6 +514,13 @@ void QNetworkReplyImplPrivate::initCacheSaveDevice()
 {
     Q_Q(QNetworkReplyImpl);
 
+    // The disk cache does not support partial content, so don't even try to
+    // save any such content into the cache.
+    if (q->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == 206) {
+        cacheEnabled = false;
+        return;
+    }
+
     // save the meta data
     QNetworkCacheMetaData metaData;
     metaData.setUrl(url);