Home | History | Annotate | Download | only in qt 
      1 /*
      2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
      3 
      4     This library is free software; you can redistribute it and/or
      5     modify it under the terms of the GNU Library General Public
      6     License as published by the Free Software Foundation; either
      7     version 2 of the License, or (at your option) any later version.
      8 
      9     This library is distributed in the hope that it will be useful,
     10     but WITHOUT ANY WARRANTY; without even the implied warranty of
     11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12     Library General Public License for more details.
     13 
     14     You should have received a copy of the GNU Library General Public License
     15     along with this library; see the file COPYING.LIB.  If not, write to
     16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17     Boston, MA 02110-1301, USA.
     18 */
     19 
     20 #include "config.h"
     21 #include "ResourceRequest.h"
     22 
     23 #include <qglobal.h>
     24 
     25 #include <QNetworkRequest>
     26 #include <QUrl>
     27 
     28 namespace WebCore {
     29 
     30 // Currently Qt allows three connections per host on symbian and six
     31 // for everyone else. The limit can be found in qhttpnetworkconnection.cpp.
     32 // To achieve the best result we want WebKit to schedule the jobs so we
     33 // are using the limit as found in Qt. To allow Qt to fill its queue
     34 // and prepare jobs we will schedule two more downloads.
     35 unsigned initializeMaximumHTTPConnectionCountPerHost()
     36 {
     37 #ifdef Q_OS_SYMBIAN
     38     return 3 + 2;
     39 #else
     40     return 6 + 2;
     41 #endif
     42 }
     43 
     44 QNetworkRequest ResourceRequest::toNetworkRequest(QObject* originatingFrame) const
     45 {
     46     QNetworkRequest request;
     47     request.setUrl(url());
     48 #if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
     49     request.setOriginatingObject(originatingFrame);
     50 #endif
     51 
     52     const HTTPHeaderMap &headers = httpHeaderFields();
     53     for (HTTPHeaderMap::const_iterator it = headers.begin(), end = headers.end();
     54          it != end; ++it) {
     55         QByteArray name = QString(it->first).toAscii();
     56         QByteArray value = QString(it->second).toAscii();
     57         // QNetworkRequest::setRawHeader() would remove the header if the value is null
     58         // Make sure to set an empty header instead of null header.
     59         if (!value.isNull())
     60             request.setRawHeader(name, value);
     61         else
     62             request.setRawHeader(name, "");
     63     }
     64 
     65     switch (cachePolicy()) {
     66     case ReloadIgnoringCacheData:
     67         request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork);
     68         break;
     69     case ReturnCacheDataElseLoad:
     70         request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
     71         break;
     72     case ReturnCacheDataDontLoad:
     73         request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
     74         break;
     75     case UseProtocolCachePolicy:
     76         // QNetworkRequest::PreferNetwork
     77     default:
     78         break;
     79     }
     80 
     81     return request;
     82 }
     83 
     84 }
     85 
     86