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 // Per TCP connection there is 1 current processed, 3 possibly pipelined
36 // and 2 ready to re-fill the pipeline.
initializeMaximumHTTPConnectionCountPerHost()37 unsigned initializeMaximumHTTPConnectionCountPerHost()
38 {
39 #ifdef Q_OS_SYMBIAN
40 return 3 * (1 + 3 + 2);
41 #else
42 return 6 * (1 + 3 + 2);
43 #endif
44 }
45
toNetworkRequest(QObject * originatingFrame) const46 QNetworkRequest ResourceRequest::toNetworkRequest(QObject* originatingFrame) const
47 {
48 QNetworkRequest request;
49 request.setUrl(url());
50 request.setOriginatingObject(originatingFrame);
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 // Make sure we always have an Accept header; some sites require this to
66 // serve subresources
67 if (!request.hasRawHeader("Accept"))
68 request.setRawHeader("Accept", "*/*");
69
70 switch (cachePolicy()) {
71 case ReloadIgnoringCacheData:
72 request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork);
73 break;
74 case ReturnCacheDataElseLoad:
75 request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
76 break;
77 case ReturnCacheDataDontLoad:
78 request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
79 break;
80 case UseProtocolCachePolicy:
81 // QNetworkRequest::PreferNetwork
82 default:
83 break;
84 }
85
86 if (!allowCookies()) {
87 request.setAttribute(QNetworkRequest::CookieLoadControlAttribute, QNetworkRequest::Manual);
88 request.setAttribute(QNetworkRequest::CookieSaveControlAttribute, QNetworkRequest::Manual);
89 request.setAttribute(QNetworkRequest::AuthenticationReuseAttribute, QNetworkRequest::Manual);
90 }
91
92 return request;
93 }
94
95 }
96
97