added stream browser plugin

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2638 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 224 insertions, 0 deletions

diff --git a/src/plugins/General/streambrowser/streamwindow.cpp b/src/plugins/General/streambrowser/streamwindow.cpp
new file mode 100644
index 000000000..4dbf86579
--- /dev/null
+++ b/src/plugins/General/streambrowser/streamwindow.cpp
@@ -0,0 +1,224 @@
+/***************************************************************************
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QNetworkProxy>
+#include <QUrl>
+#include <QRegExp>
+#include <QStandardItemModel>
+#include <QSettings>
+#include <QDir>
+#include <QMessageBox>
+#include <QXmlStreamReader>
+#include <QXmlStreamWriter>
+#include <qmmp/qmmpsettings.h>
+#include <qmmp/qmmp.h>
+#include <qmmpui/playlistmanager.h>
+#include "streamwindow.h"
+
+StreamWindow::StreamWindow(QWidget *parent) : QWidget(parent)
+{
+    ui.setupUi(this);
+    setWindowFlags(Qt::Window);
+    setAttribute(Qt::WA_DeleteOnClose);
+    setAttribute(Qt::WA_QuitOnClose, false);
+    m_requestReply = 0;
+
+    ui.addPushButton->setIcon(QIcon::fromTheme("list-add"));
+    ui.updatePushButton->setIcon(QIcon::fromTheme("view-refresh"));
+
+
+    m_icecastModel = new QStandardItemModel(this);
+    m_icecastModel->setHorizontalHeaderLabels(QStringList() << tr("Name")
+                                       << tr("Genre")
+                                       << tr("Bitrate")
+                                       << tr("Format"));
+    ui.icecastTableView->setModel(m_icecastModel);
+    ui.icecastTableView->verticalHeader()->setDefaultSectionSize(fontMetrics().height());
+    ui.icecastTableView->verticalHeader()->setResizeMode(QHeaderView::Fixed);
+    ui.icecastTableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+
+    ui.statusLabel->hide();
+
+
+    m_http = new QNetworkAccessManager(this);
+     //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_http->setProxy(proxy);
+    }
+    connect(m_http, SIGNAL(finished (QNetworkReply *)), SLOT(showText(QNetworkReply *)));
+    //read settings
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    settings.beginGroup("StreamBrowser");
+    restoreGeometry(settings.value("geometry").toByteArray());
+    ui.icecastTableView->horizontalHeader()->restoreState(settings.value("icecast_headers").toByteArray());
+    settings.endGroup();
+    //create cache dir
+    QString path = QFileInfo(Qmmp::configFile()).absoluteDir().path();
+    QDir dir(path);
+    if(!dir.exists("streambrowser"))
+        dir.mkdir("streambrowser");
+    //read cache
+    QFile file(path + "/streambrowser/icecast.xml");
+    if(file.open(QIODevice::ReadOnly))
+        readIceCast(&file);
+    else
+        on_updatePushButton_clicked();
+}
+
+
+StreamWindow::~StreamWindow()
+{
+}
+
+void StreamWindow::showText(QNetworkReply *reply)
+{
+    ui.statusLabel->setText(tr("Done"));
+    if (reply->error() != QNetworkReply::NoError)
+    {
+        ui.statusLabel->setText(tr("Error"));
+        QMessageBox::warning (this, tr("Error"), reply->errorString());
+        m_requestReply = 0;
+        reply->deleteLater();
+        return;
+    }
+    if(m_requestReply == reply)
+    {
+        m_requestReply = 0;
+        readIceCast(reply);
+    }
+    reply->deleteLater();
+}
+
+void StreamWindow::on_updatePushButton_clicked()
+{
+    QNetworkRequest request;
+    request.setUrl(QUrl("http://dir.xiph.org/yp.xml"));
+    request.setRawHeader("User-Agent", QString("qmmp/%1").arg(Qmmp::strVersion()).toAscii());
+    m_requestReply = m_http->get(request);
+    ui.statusLabel->setText(tr("Receiving"));
+    ui.statusLabel->show();
+}
+
+void StreamWindow::on_addPushButton_clicked()
+{
+    QModelIndexList indexes = ui.icecastTableView->selectionModel()->selectedRows(0);
+    QStringList urls;
+    foreach(QModelIndex index, indexes)
+    {
+        urls.append(m_icecastModel->item(index.row(),0)->data().toString());
+    }
+    urls.removeDuplicates();
+    PlayListManager::instance()->add(urls);
+}
+
+void StreamWindow::closeEvent(QCloseEvent *)
+{
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    settings.beginGroup("StreamBrowser");
+    settings.setValue("geometry", saveGeometry());
+    settings.setValue("icecast_headers", ui.icecastTableView->horizontalHeader()->saveState());
+    settings.endGroup();
+
+    QString path = QFileInfo(Qmmp::configFile()).absoluteDir().path();
+    QFile file(path + "/streambrowser/icecast.xml");
+    file.open(QIODevice::WriteOnly);
+
+    QXmlStreamWriter writer(&file);
+    writer.setCodec("UTF-8");
+    writer.setAutoFormatting(true);
+    writer.writeStartDocument();
+    writer.writeStartElement("directory");
+    for(int i = 0; i < m_icecastModel->rowCount(); ++i)
+    {
+        writer.writeStartElement("entry");
+        writer.writeTextElement("server_name", m_icecastModel->item(i,0)->text());
+        writer.writeTextElement("listen_url", m_icecastModel->item(i,0)->data().toString());
+        writer.writeTextElement("genre", m_icecastModel->item(i,1)->text());
+        writer.writeTextElement("bitrate", m_icecastModel->item(i,2)->text());
+        writer.writeTextElement("server_type", m_icecastModel->item(i,3)->text());
+        writer.writeEndElement();
+    }
+    writer.writeEndElement();
+    writer.writeEndDocument();
+}
+
+void StreamWindow::readIceCast(QIODevice *input)
+{
+    m_icecastModel->removeRows(0, m_icecastModel->rowCount());
+    QXmlStreamReader xml(input);
+    QString currentTag, server_name, listen_url, genre, bitrate, server_type;
+    while (!xml.atEnd())
+    {
+        xml.readNext();
+        if (xml.isStartElement())
+        {
+            currentTag = xml.name().toString();
+        }
+        else if (xml.isEndElement())
+        {
+            if (xml.name() == "entry")
+            {
+                m_icecastModel->appendRow(QList<QStandardItem *> ()
+                                          << new QStandardItem(server_name)
+                                          << new QStandardItem(genre)
+                                          << new QStandardItem(bitrate)
+                                          << new QStandardItem(server_type));
+
+                QStandardItem *item = m_icecastModel->item(m_icecastModel->rowCount()-1, 0);
+                item->setToolTip(server_name + "\n" + listen_url);
+                item->setData(listen_url);
+
+                server_name.clear();
+                listen_url.clear();
+                genre.clear();
+                bitrate.clear();
+                server_type.clear();
+            }
+
+        }
+        else if (xml.isCharacters() && !xml.isWhitespace())
+        {
+            if (currentTag == "server_name")
+                server_name += xml.text().toString();
+            else if (currentTag == "listen_url")
+                listen_url += xml.text().toString();
+            else if (currentTag == "genre")
+                genre += xml.text().toString();
+            else if (currentTag == "bitrate")
+                bitrate += xml.text().toString();
+            else if(currentTag == "server_type")
+                server_type += xml.text().toString();
+        }
+    }
+    if (xml.error() && xml.error() != QXmlStreamReader::PrematureEndOfDocumentError)
+    {
+        qWarning("StreamWindow: xml error: %lld: %s", xml.lineNumber(), qPrintable(xml.errorString()));
+    }
+}