refactoring

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3157 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 118 insertions, 0 deletions

diff --git a/src/plugins/General/trackchange/trackchange.cpp b/src/plugins/General/trackchange/trackchange.cpp
new file mode 100644
index 000000000..0e79766de
--- /dev/null
+++ b/src/plugins/General/trackchange/trackchange.cpp
@@ -0,0 +1,118 @@
+/***************************************************************************
+ *   Copyright (C) 2013 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 <QAction>
+#include <QSettings>
+#include <QApplication>
+#include <QSignalMapper>
+#include <QProgressDialog>
+#include <QMessageBox>
+#include <QFile>
+#include <QDir>
+#include <QProcess>
+#include <qmmp/soundcore.h>
+#include <qmmpui/uihelper.h>
+#include <qmmpui/playlistmodel.h>
+#include <qmmpui/playlistmanager.h>
+#include <qmmpui/playlistitem.h>
+#include <qmmpui/mediaplayer.h>
+#include <qmmpui/metadataformatter.h>
+#include "songchange.h"
+
+SongChange::SongChange(QObject *parent) : QObject(parent)
+{
+    m_core = SoundCore::instance();
+    m_plManager = PlayListManager::instance();
+    connect(m_core, SIGNAL(stateChanged(Qmmp::State)), SLOT(onStateChanged(Qmmp::State)));
+    connect(m_core, SIGNAL(metaDataChanged()), SLOT(onMetaDataChanged()));
+    connect(m_core, SIGNAL(finished()), SLOT(onFinised()));
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    m_newTrackCommand = settings.value("SongChange/new_track_command").toString();
+    m_endOfTrackCommand = settings.value("SongChange/end_of_track_command").toString();
+    m_endOfPlCommand = settings.value("SongChange/end_of_pl_command").toString();
+    m_titleChangeCommand = settings.value("SongChange/title_change_command").toString();
+}
+
+SongChange::~SongChange()
+{}
+
+void SongChange::onStateChanged(Qmmp::State state)
+{
+    switch (state)
+    {
+    case Qmmp::Playing:
+        break;
+    default:
+        m_prevMetaData.clear();
+    }
+}
+
+void SongChange::onMetaDataChanged()
+{
+    QMap <Qmmp::MetaData, QString> metaData = m_core->metaData();
+    if(m_prevMetaData != metaData)
+    {
+        if(m_prevMetaData[Qmmp::URL] == metaData[Qmmp::URL])
+        {
+            if(!m_titleChangeCommand.isEmpty())
+            {
+                qDebug("SongChange: startig title change command..");
+                executeCommand(metaData, m_titleChangeCommand);
+            }
+        }
+        else
+        {
+            if(!m_newTrackCommand.isEmpty())
+            {
+                qDebug("SongChange: startig new track command..");
+                executeCommand(metaData, m_newTrackCommand);
+            }
+        }
+    }
+    m_prevMetaData = metaData;
+}
+
+void SongChange::onFinised()
+{
+    if(!m_endOfTrackCommand.isEmpty())
+    {
+        qDebug("SongChange: startig end of track command..");
+        executeCommand(m_prevMetaData, m_endOfTrackCommand);
+    }
+    if(!m_endOfPlCommand.isEmpty() && !m_plManager->currentPlayList()->nextItem())
+    {
+        qDebug("SongChange: startig end of playlist command..");
+        executeCommand(m_prevMetaData, m_endOfPlCommand);
+    }
+}
+
+bool SongChange::executeCommand(const QMap<Qmmp::MetaData, QString> &metaData, const QString &format)
+{
+    MetaDataFormatter formatter(format);
+    QString command = formatter.parse(metaData);
+#ifdef Q_OS_WIN
+    bool ok = QProcess::startDetached(QString("cmd.exe \"%1\"").arg(command));
+#else
+    bool ok = QProcess::startDetached(QString("sh -c \"%1\"").arg(command));
+#endif
+    if(!ok)
+        qWarning("SongChange: unable to start command '%s'", qPrintable(command));
+    return ok;
+}