Move icon manager download system to QNAM

& Search also for favicon.ico files

This seems to be the unique method to surely workaround this bug
rekonq encounters when tries to load an unextant favicon with KIO (see
BUG:289029
)

1 files changed, 110 insertions, 0 deletions

diff --git a/src/icondownloader.cpp b/src/icondownloader.cpp
new file mode 100644
index 00000000..441c3ac2
--- /dev/null
+++ b/src/icondownloader.cpp
@@ -0,0 +1,110 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2012 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/>.
+*
+* ============================================================ */
+
+
+#include "icondownloader.h"
+#include "icondownloader.moc"
+
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QNetworkRequest>
+#include <QFile>
+#include <QPixmap>
+
+
+IconDownloader::IconDownloader(const KUrl &srcUrl, const KUrl &destUrl, QObject *parent)
+    : QObject(parent)
+    , m_srcUrl(srcUrl)
+    , m_destUrl(destUrl)
+{
+    QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+    connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
+    manager->get(QNetworkRequest(srcUrl));
+}
+
+
+void IconDownloader::replyFinished(QNetworkReply *reply)
+{
+    if (reply->error())
+    {
+        kDebug() << "FAVICON JOB ERROR";
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    QString s = m_destUrl.url().remove(QL1S("file://"));
+    QFile favicon(s);
+    if (!favicon.open(QIODevice::WriteOnly))
+    {
+        kDebug() << "FAVICON FILE NOT OPENED";
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    favicon.write(reply->readAll());
+    favicon.close();
+
+    if (favicon.size() == 0)
+    {
+        kDebug() << "SIZE ZERO FAVICON";
+        favicon.remove();
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    QPixmap px;
+    if (!px.load(s))
+    {
+        kDebug() << "PIXMAP NOT LOADED";
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    if (px.isNull())
+    {
+        kDebug() << "PIXMAP IS NULL";
+        favicon.remove();
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    px = px.scaled(16, 16);
+    if (!px.save(s + QL1S(".png"), "PNG"))
+    {
+        kDebug() << "PIXMAP NOT SAVED";
+        emit iconReady();
+        this->deleteLater();
+        return;
+    }
+
+    QFile::remove(s);
+    emit iconReady();
+    this->deleteLater();
+}