Link custom rekonq QNAM to KDE proxy settings

This is a first attempt to link our needed QNAM to KDE proxy settings.
It will try to fix proxy problems when used.

Oh... I also added some new error strings in case of proxy problems :)

CCBUG: 304378
CCBUG: 315598

6 files changed, 158 insertions, 3 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 59844589..e31c05c6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -99,6 +99,7 @@ set(rekonq_KDEINIT_SRCS
     webtab/networkaccessmanager.cpp
     webtab/previewselectorbar.cpp
     webtab/protocolhandler.cpp
+    webtab/knetworkaccessmanager.cpp
     webtab/searchenginebar.cpp
     webtab/sslinfodialog.cpp
     webtab/walletbar.cpp
diff --git a/src/icons/icondownloader.cpp b/src/icons/icondownloader.cpp
index 6d1f3a5e..b1d813a3 100644
--- a/src/icons/icondownloader.cpp
+++ b/src/icons/icondownloader.cpp
@@ -28,8 +28,10 @@
 #include "icondownloader.h"
 #include "icondownloader.moc"
 
+// Local Includes
+#include "knetworkaccessmanager.h"
+
 // Qt Includes
-#include <QNetworkAccessManager>
 #include <QNetworkReply>
 #include <QNetworkRequest>
 #include <QFile>
@@ -41,7 +43,7 @@ IconDownloader::IconDownloader(const KUrl &srcUrl, const KUrl &destUrl, QObject
     , m_srcUrl(srcUrl)
     , m_destUrl(destUrl)
 {
-    QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+    KNetworkAccessManager *manager = new KNetworkAccessManager(this);
     connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
     manager->get(QNetworkRequest(srcUrl));
 }
diff --git a/src/webtab/knetworkaccessmanager.cpp b/src/webtab/knetworkaccessmanager.cpp
new file mode 100644
index 00000000..f02ec2d8
--- /dev/null
+++ b/src/webtab/knetworkaccessmanager.cpp
@@ -0,0 +1,73 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2013 by Andrea Diamantini <adjam7 at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+
+// Self Includes
+#include "knetworkaccessmanager.h"
+#include "knetworkaccessmanager.moc"
+
+// KDE Includes
+#include <KConfig>
+#include <KConfigGroup>
+
+// Qt Includes
+#include <QNetworkProxy>
+
+
+KNetworkAccessManager::KNetworkAccessManager(QObject *parent)
+    : QNetworkAccessManager(parent)
+{
+    // Proxy
+    QNetworkProxy proxy;
+    
+    KConfig config("kioslaverc", KConfig::NoGlobals);
+    
+    KConfigGroup proxyGroup(&config, QL1S("Proxy Settings"));
+    
+    int proxyType = proxyGroup.readEntry( QL1S("ProxyType"), 0);
+    kDebug() << "PROXY TYPE: " << proxyType;
+
+    if (proxyType == 0)
+        proxy.setType(QNetworkProxy::NoProxy);
+    else
+        proxy.setType(QNetworkProxy::Socks5Proxy);
+
+    QString proxyHost = proxyGroup.readEntry( QL1S("socksProxy"), QString("") );
+    QStringList proxyInfoList = proxyHost.split(QL1C(' '));
+    kDebug() << proxyInfoList;
+    if (proxyInfoList.isEmpty())
+        return;
+    
+    proxy.setHostName(proxyInfoList.at(0));
+    
+    if (proxyInfoList.count() == 2)
+        proxy.setPort(proxyInfoList.at(1).toInt());
+    
+//     proxy.setUser("username");
+//     proxy.setPassword("password");
+//     
+    setProxy(proxy);
+}
diff --git a/src/webtab/knetworkaccessmanager.h b/src/webtab/knetworkaccessmanager.h
new file mode 100644
index 00000000..fccddb69
--- /dev/null
+++ b/src/webtab/knetworkaccessmanager.h
@@ -0,0 +1,46 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2013 by Andrea Diamantini <adjam7 at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+#ifndef K_NETWORK_ACCESS_MANAGER_H
+#define K_NETWORK_ACCESS_MANAGER_H
+
+
+// Rekonq Includes
+#include "rekonq_defines.h"
+
+// Qt Includes
+#include <QNetworkAccessManager>
+
+
+class REKONQ_TESTS_EXPORT KNetworkAccessManager : public QNetworkAccessManager
+{
+    Q_OBJECT
+
+public:
+    explicit KNetworkAccessManager(QObject *parent = 0);
+};
+
+#endif // K_NETWORK_ACCESS_MANAGER_H
diff --git a/src/webtab/networkaccessmanager.cpp b/src/webtab/networkaccessmanager.cpp
index ae3c44f7..19613403 100644
--- a/src/webtab/networkaccessmanager.cpp
+++ b/src/webtab/networkaccessmanager.cpp
@@ -32,6 +32,7 @@
 
 // Local Includes
 #include "adblockmanager.h"
+#include "knetworkaccessmanager.h"
 
 // KDE Includes
 #include <KLocale>
@@ -113,7 +114,7 @@ QNetworkAccessManager *NetworkAccessManager::privateAccessManager()
 {
     if (s_privateAccessManager == 0)
     {
-        s_privateAccessManager = new QNetworkAccessManager();
+        s_privateAccessManager = new KNetworkAccessManager();
     }
     
     return s_privateAccessManager;
diff --git a/src/webtab/webpage.cpp b/src/webtab/webpage.cpp
index bae10f5a..01116e73 100644
--- a/src/webtab/webpage.cpp
+++ b/src/webtab/webpage.cpp
@@ -726,7 +726,39 @@ QString WebPage::errorPage(QNetworkReply *reply)
         return html;
     }
 
+    QString errString = reply->errorString().toLower();
+    if (errString.contains(QL1S("proxy")))
+    {
+        msg += QL1S("<h2>") + i18n("Oops... Proxy problems!") + QL1S("</h2>");
+
+        QString faceIconPath = QString("file://") + KIconLoader::global()->iconPath("face-surprise" , -KIconLoader::SizeHuge, false);
+        msg += QL1S("<table>");
+        msg += QL1S("<tr><td width=\"100px\">");
+        msg += QL1S("<img style=\"margin: 0 auto;\" src=\"") + faceIconPath + QL1S("\" />");
+        msg += QL1S("</td><td>");
+
+        msg += QL1S("<p><em>") + reply->errorString() + QL1S("</em></p>");
+        
+        msg += QL1S("<p>");
+
+        msg += i18n("It seems you are having problems with your <a href=\"%1\">proxy settings</a>. Try checking them, <br /><br />then <a href=\"%4\">try again</a>.<br />", QL1S("rekonq:settings/proxy"), urlString);
+
+        msg += QL1S("</p>");
 
+        msg += QL1S("</td></tr></table>");
+
+        // done. Replace variables and show it
+        QString html = QL1S(file.readAll());
+
+        html.replace(QL1S("$DEFAULT_PATH"), dataPath);
+        html.replace(QL1S("$PAGE_TITLE"), title);
+        html.replace(QL1S("$MAIN_CONTENT"), msg);
+        html.replace(QL1S("$GENERAL_FONT"), QWebSettings::globalSettings()->fontFamily(QWebSettings::StandardFont));
+        
+        return html;
+    }
+    
+    // general error page
     msg += QL1S("<h2>") + i18n("Oops! Cannot load <em>%1</em>", urlString) + QL1S("</h1>");
 
     QString faceIconPath = QString("file://") + KIconLoader::global()->iconPath("face-surprise" , -KIconLoader::SizeHuge, false);