Private browsing now makes a temporary cookies, instead of disabling it

all. After private browsing mode is turned off, original cookies are
restored.

src/app/qupzilla.cpp

@@ -1129,7 +1129,7 @@ void QupZilla::startPrivate(bool state)
     }
     mApp->webSettings()->setAttribute(QWebSettings::PrivateBrowsingEnabled, state);
     mApp->history()->setSaving(!state);
-    mApp->cookieJar()->setAllowCookies(!state);
+    mApp->cookieJar()->turnPrivateJar(state);
     emit message(MainApplication::CheckPrivateBrowsing, state);
 }
 

src/cookies/cookiejar.cpp

@@ -25,7 +25,6 @@ CookieJar::CookieJar(QupZilla* mainClass, QObject* parent) :
     ,p_QupZilla(mainClass)
 {
     loadSettings();
-//    activeProfil = mApp->getActiveProfil();
     m_activeProfil = mApp->getActiveProfil();
 }
 
@@ -127,3 +126,15 @@ void CookieJar::setAllCookies(const QList<QNetworkCookie> &cookieList)
 {
     QNetworkCookieJar::setAllCookies(cookieList);
 }
+
+void CookieJar::turnPrivateJar(bool state)
+{
+    if (state) {
+        m_tempList = QNetworkCookieJar::allCookies();
+        QNetworkCookieJar::setAllCookies(QList<QNetworkCookie>());
+    } else {
+        QNetworkCookieJar::setAllCookies(m_tempList);
+        m_tempList.clear();
+    }
+}
+

src/cookies/cookiejar.h

@@ -39,6 +39,8 @@ public:
     void restoreCookies();
     void setAllowCookies(bool allow);
 
+    void turnPrivateJar(bool state);
+
 signals:
 
 public slots:
@@ -51,6 +53,7 @@ private:
     bool m_deleteOnClose;
 
     QString m_activeProfil;
+    QList<QNetworkCookie> m_tempList;
 };
 
 #endif // COOKIEJAR_H