libqmmpui: added URL dialog implementation, added PlayListDownloader

class


git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3089 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 112 insertions, 0 deletions

diff --git a/src/qmmpui/playlistdownloader.cpp b/src/qmmpui/playlistdownloader.cpp
new file mode 100644
index 000000000..2287747df
--- /dev/null
+++ b/src/qmmpui/playlistdownloader.cpp
@@ -0,0 +1,112 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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) any later version.                                   *
+ *                                                                         *
+ *   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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <QNetworkAccessManager>
+#include <QNetworkProxy>
+#include <QNetworkReply>
+#include <qmmp/qmmp.h>
+#include <qmmp/qmmpsettings.h>
+#include <qmmpui/playlistparser.h>
+#include "playlistdownloader.h"
+
+PlayListDownloader::PlayListDownloader(QObject *parent) : QObject(parent)
+{
+    m_getReply = 0;
+    m_ua = QString("qmmp/%1").arg(Qmmp::strVersion()).toAscii();
+    m_manager = new QNetworkAccessManager(this);
+    connect(m_manager, SIGNAL(finished (QNetworkReply *)), SLOT(readResponse(QNetworkReply *)));
+    //load global proxy settings
+    QmmpSettings *gs = QmmpSettings::instance();
+    if (gs->isProxyEnabled())
+    {
+        QNetworkProxy proxy(QNetworkProxy::HttpProxy, gs->proxy().host(),  gs->proxy().port());
+        if(gs->useProxyAuth())
+        {
+            proxy.setUser(gs->proxy().userName());
+            proxy.setPassword(gs->proxy().password());
+        }
+        m_manager->setProxy(proxy);
+    }
+}
+
+void PlayListDownloader::start(const QUrl &url)
+{
+    if(!PlayListParser::findByUrl(url)) //is it playlist?
+    {
+        emit done(QStringList() << url.toString()); //just send initial URL
+        return;
+    }
+    m_url = url;
+    QNetworkRequest r;
+    r.setUrl(url);
+    r.setRawHeader("User-Agent", m_ua);
+    m_getReply = m_manager->get(r);
+    m_redirect_url.clear();
+}
+
+void PlayListDownloader::readResponse(QNetworkReply *reply)
+{
+    if(reply != m_getReply)
+    {
+        reply->deleteLater();
+        return;
+    }
+
+    if(reply->error() != QNetworkReply::NoError)
+    {
+        emit error(reply->errorString() + " (" + reply->error() + ")");
+        reply->deleteLater();
+        return;
+    }
+
+    QUrl url = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
+    if(!url.isEmpty() && url != m_redirect_url)
+    {
+        m_redirect_url = url;
+        qDebug("PlayListDownloader: redirect to %s", qPrintable(url.toString()));
+        QNetworkRequest request(url);
+        request.setRawHeader("User-Agent", m_ua);
+        if(reply == m_getReply)
+            m_getReply = m_manager->get(request);
+        reply->deleteLater();
+        return;
+    }
+    m_redirect_url.clear();
+
+    if(reply == m_getReply)
+    {
+        m_getReply = 0;
+        QString contentType = reply->header(QNetworkRequest::ContentTypeHeader).toString();
+        qDebug("PlayListDownloader: content type: %s", qPrintable(contentType));
+        PlayListFormat *fmt = PlayListParser::findByMime(contentType);
+        if(!fmt)
+            fmt = PlayListParser::findByUrl(m_url);
+        if(fmt)
+        {
+            QStringList list = fmt->decode(QString::fromUtf8(reply->readAll()));
+            emit done(list);
+        }
+        else
+        {
+            emit error(tr("Unsupported playlist format"));
+        }
+    }
+    reply->deleteLater();
+}