/***************************************************************************
* Copyright (C) 2006-2014 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 <QApplication>
#include <QDir>
#include <QLocalServer>
#include <QLocalSocket>
#include <QSettings>
#include <QIcon>
#include <cstdlib>
#include <iostream>
#include <unistd.h>
#include <sys/types.h>
#include <string.h>
#include <qmmp/qmmp.h>
#include <qmmpui/commandlinemanager.h>
#include <qmmpui/mediaplayer.h>
#include <qmmpui/playlistparser.h>
#include <qmmpui/uihelper.h>
#include <qmmpui/uiloader.h>
#include <qmmpui/qmmpuisettings.h>
#include "qmmpstarter.h"
#include "lxdesupport.h"
#include "builtincommandlineoption.h"
#ifdef Q_OS_WIN
#include <sstream>
#include <QMessageBox>
#endif
#ifdef Q_OS_WIN
#define UDS_PATH QString("qmmp")
#else
#define UDS_PATH QString("/tmp/qmmp.sock.%1").arg(getuid()).toAscii().constData()
#endif
using namespace std;
QMMPStarter::QMMPStarter(int argc,char **argv, QObject* parent) : QObject(parent)
{
m_player = 0;
m_core = 0;
m_ui = 0;
#ifdef Q_OS_WIN
m_named_mutex = 0;
#endif
m_option_manager = new BuiltinCommandLineOption(this);
QStringList tmp;
for (int i = 1;i < argc;i++)
tmp << QString::fromLocal8Bit(argv[i]).trimmed();
argString = tmp.join("\n");
QHash <QString, QStringList> commands = m_option_manager->splitArgs(tmp);
if(commands.keys().contains("--help"))
{
printUsage();
exit(0);
}
if(commands.keys().contains("--version"))
{
printVersion();
exit(0);
}
if(!commands.isEmpty())
{
foreach(QString arg, commands.keys())
{
if(!m_option_manager->identify(arg) && !CommandLineManager::hasOption(arg) &&
arg != "--no-start")
{
cout << qPrintable(tr("Unknown command")) << endl;
exit(0);
}
}
}
m_server = new QLocalServer(this);
m_socket = new QLocalSocket(this);
bool noStart = commands.keys().contains("--no-start");
#ifdef Q_OS_WIN
//Windows IPC implementation (named mutex and named pipe)
m_named_mutex = CreateMutexA(NULL, TRUE, "QMMP-403cd318-cc7b-4622-8dfd-df18d1e70057");
if(GetLastError() == NO_ERROR && !noStart)
{
m_server->listen (UDS_PATH);
startPlayer();
}
else
{
m_socket->connectToServer(UDS_PATH); //connecting
m_socket->waitForConnected();
if(!m_socket->isValid()) //invalid connection
{
qWarning("QMMPStarter: unable to connect to server");
exit(0);
}
writeCommand();
}
#else
if(!noStart && m_server->listen (UDS_PATH)) //trying to create server
{
startPlayer();
}
else if(QFile::exists(UDS_PATH))
{
m_socket->connectToServer(UDS_PATH); //connecting
m_socket->waitForConnected();
if(!m_socket->isValid()) //invalid connection
{
if(!QLocalServer::removeServer(UDS_PATH))
{
qWarning("QMMPStarter: unable to remove invalid socket file");
exit(1);
return;
}
qWarning("QMMPStarter: removed invalid socket file");
if(noStart)
exit(0);
else if(m_server->listen (UDS_PATH))
startPlayer();
else
{
qWarning("QMMPStarter: server error: %s", qPrintable(m_server->errorString()));
exit(1);
}
}
else
writeCommand();
}
else
exit(0);
#endif
}
QMMPStarter::~QMMPStarter()
{
if (m_ui)
delete m_ui;
#ifdef Q_OS_WIN
if(m_named_mutex)
ReleaseMutex(m_named_mutex);
#endif
}
void QMMPStarter::startPlayer()
{
connect(m_server, SIGNAL(newConnection()), SLOT(readCommand()));
QStringList args = argString.split("\n", QString::SkipEmptyParts);
//load lxde icons
LXDESupport::load();
#ifdef Q_OS_WIN
QIcon::setThemeSearchPaths(QStringList() << qApp->applicationDirPath() + "/themes/");
QIcon::setThemeName("oxygen");
#endif
//prepare libqmmp and libqmmpui libraries for usage
m_player = new MediaPlayer(this);
m_core = SoundCore::instance();
//additional featuries
new UiHelper(this);
//interface
UiFactory *factory = UiLoader::selected();
if(factory)
m_ui = factory->create();
else
{
qWarning("QMMPStarter: no user interface found");
exit(1);
return;
}
connect(qApp, SIGNAL(aboutToQuit()), SLOT(savePosition()));
processCommandArgs(args, QDir::currentPath());
if(args.isEmpty())
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.beginGroup("General");
if(settings.value("resume_playback", false).toBool())
{
qint64 pos = settings.value("resume_playback_time").toLongLong();
m_player->play(pos);
}
}
}
void QMMPStarter::savePosition()
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.beginGroup("General");
settings.setValue("resume_playback",m_core->state() == Qmmp::Playing &&
QmmpUiSettings::instance()->resumeOnStartup());
settings.setValue("resume_playback_time", m_core->totalTime() > 0 ? m_core->elapsed() : 0);
settings.endGroup();
m_core->stop();
}
void QMMPStarter::writeCommand()
{
QString workingDir = QDir::currentPath() + "\n";
QByteArray barray;
barray.append(workingDir.toUtf8 ());
barray.append(argString.isEmpty() ? "--show-mw" : argString.toUtf8 ());
while(!barray.isEmpty())
{
qint64 size = m_socket->write(barray);
barray.remove(0, size);
}
m_socket->flush();
//reading answer
if(m_socket->waitForReadyRead(1500))
cout << m_socket->readAll().data();
#ifndef Q_OS_WIN
if (argString.isEmpty())
printUsage();
#endif
exit(0);
}
void QMMPStarter::readCommand()
{
QLocalSocket *socket = m_server->nextPendingConnection();
socket->waitForReadyRead();
QByteArray inputArray = socket->readAll();
if(inputArray.isEmpty())
{
socket->deleteLater();
return;
}
QStringList slist = QString::fromUtf8(inputArray.data()).split("\n",QString::SkipEmptyParts);
QString cwd = slist.takeAt(0);
QString out = processCommandArgs(slist, cwd);
if(!out.isEmpty())
{
//writing answer
socket->write(out.toLocal8Bit());
socket->flush();
}
socket->deleteLater();
}
QString QMMPStarter::processCommandArgs(const QStringList &slist, const QString& cwd)
{
if(slist.isEmpty())
return QString();
QStringList paths;
foreach(QString arg, slist) //detect file/directory paths
{
if(arg.startsWith("-"))
break;
paths.append(arg);
}
if(!paths.isEmpty())
{
m_option_manager->executeCommand(QString(), paths, cwd); //add paths only
return QString();
}
QHash<QString, QStringList> commands = m_option_manager->splitArgs(slist);
if(commands.isEmpty())
return QString();
foreach(QString key, commands.keys())
{
if(key == "--no-start")
continue;
if (CommandLineManager::hasOption(key))
return CommandLineManager::executeCommand(key, commands.value(key));
else if (m_option_manager->identify(key))
m_option_manager->executeCommand(key, commands.value(key), cwd);
else
return QString();
}
return QString();
}
void QMMPStarter::printUsage()
{
//show dialog with command line documentation under ms windows
#ifdef Q_OS_WIN
stringstream tmp_stream;
tmp_stream.copyfmt(cout);
streambuf* old_stream = cout.rdbuf(tmp_stream.rdbuf());
#endif
cout << qPrintable(tr("Usage: qmmp [options] [files]")) << endl;
cout << qPrintable(tr("Options:")) << endl;
cout << "--------" << endl;
cout << qPrintable(m_option_manager->helpString()) << endl;
CommandLineManager::printUsage();
cout << "--no-start " << qPrintable(tr("Don't start the application")) << endl;
cout << "--help " << qPrintable(tr("Display this text and exit")) << endl;
cout << "--version " << qPrintable(tr("Print version number and exit")) << endl;
cout << qPrintable(tr("Ideas, patches, bugreports send to forkotov02@hotmail.ru")) << endl;
#ifdef Q_OS_WIN
string text = tmp_stream.str();
QMessageBox::information(0, tr("Command Line Help"), QString::fromLocal8Bit(text.c_str()));
cout.rdbuf(old_stream); //restore old stream buffer
#endif
}
void QMMPStarter::printVersion()
{
//show dialog with qmmp version under ms windows
#ifdef Q_OS_WIN
stringstream tmp_stream;
tmp_stream.copyfmt(cout);
streambuf* old_stream = cout.rdbuf(tmp_stream.rdbuf());
#endif
cout << qPrintable(tr("QMMP version: %1").arg(Qmmp::strVersion())) << endl;
cout << qPrintable(tr("Compiled with Qt version: %1").arg(QT_VERSION_STR)) << endl;
cout << qPrintable(tr("Using Qt version: %1").arg(qVersion())) << endl;
#ifdef Q_OS_WIN
string text = tmp_stream.str();
QMessageBox::information(0, tr("Qmmp Version"), QString::fromLocal8Bit(text.c_str()));
cout.rdbuf(old_stream); //restore old stream buffer
#endif
}
