RetroShare/plugins/smplayer_plugin/main.cpp
defnax 87344de7d4 added for plugins own dir
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1850 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2009-11-28 14:21:11 +00:00

272 lines
6.5 KiB
C++

/* smplayer, GUI front-end for mplayer.
Copyright (C) 2006-2008 Ricardo Villalba <rvm@escomposlinux.org>
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 <QApplication>
#include <QFile>
#include <QTime>
#include "smplayer.h"
#include "global.h"
#include "helper.h"
#include "paths.h"
#include <stdio.h>
#define USE_LOCKS 1
#if USE_LOCKS
#ifdef USE_QXT
#define USE_QXT_LOCKS 1
#endif // USE_QXT
#endif // USE_LOCKS
#if USE_LOCKS && USE_QXT_LOCKS
#include <QxtFileLock>
#endif
using namespace Global;
BaseGui * basegui_instance = 0;
void myMessageOutput( QtMsgType type, const char *msg ) {
static QStringList saved_lines;
static QString orig_line;
static QString line2;
static QRegExp rx_log;
if (pref) {
if (!pref->log_smplayer) return;
rx_log.setPattern(pref->log_filter);
} else {
rx_log.setPattern(".*");
}
line2.clear();
orig_line = QString::fromUtf8(msg);
switch ( type ) {
case QtDebugMsg:
if (rx_log.indexIn(orig_line) > -1) {
#ifndef NO_DEBUG_ON_CONSOLE
fprintf( stderr, "Debug: %s\n", orig_line.toLocal8Bit().data() );
#endif
line2 = orig_line;
}
break;
case QtWarningMsg:
#ifndef NO_DEBUG_ON_CONSOLE
fprintf( stderr, "Warning: %s\n", orig_line.toLocal8Bit().data() );
#endif
line2 = "WARNING: " + orig_line;
break;
case QtFatalMsg:
#ifndef NO_DEBUG_ON_CONSOLE
fprintf( stderr, "Fatal: %s\n", orig_line.toLocal8Bit().data() );
#endif
line2 = "FATAL: " + orig_line;
abort(); // deliberately core dump
case QtCriticalMsg:
#ifndef NO_DEBUG_ON_CONSOLE
fprintf( stderr, "Critical: %s\n", orig_line.toLocal8Bit().data() );
#endif
line2 = "CRITICAL: " + orig_line;
break;
}
if (line2.isEmpty()) return;
line2 = "["+ QTime::currentTime().toString() +"] "+ line2;
if (basegui_instance) {
if (!saved_lines.isEmpty()) {
// Send saved lines first
for (int n=0; n < saved_lines.count(); n++) {
basegui_instance->recordSmplayerLog(saved_lines[n]);
}
saved_lines.clear();
}
basegui_instance->recordSmplayerLog(line2);
} else {
// GUI is not created yet, save lines for later
saved_lines.append(line2);
}
}
#if USE_LOCKS
#if USE_QXT_LOCKS
bool create_lock(QFile * f, QxtFileLock * lock) {
bool success = false;
if (f->open(QIODevice::ReadWrite)) {
if (lock->lock()) {
f->write("smplayer lock file");
success = true;
}
}
if (!success) f->close();
return success;
}
void clean_lock(QFile * f, QxtFileLock * lock) {
qDebug("main: clean_lock: %s", f->fileName().toUtf8().data());
lock->unlock();
f->close();
f->remove();
}
#else
void remove_lock(QString lock_file) {
if (QFile::exists(lock_file)) {
qDebug("main: remove_lock: %s", lock_file.toUtf8().data());
QFile::remove(lock_file);
}
}
#endif
#endif
class MyApplication : public QApplication
{
public:
MyApplication ( int & argc, char ** argv ) : QApplication(argc, argv) {};
virtual void commitData ( QSessionManager & /*manager*/ ) {
// Nothing to do, let the application to close
}
};
int main( int argc, char ** argv )
{
MyApplication a( argc, argv );
//a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );
// Sets the config path
QString config_path;
#ifdef PORTABLE_APP
config_path = a.applicationDirPath();
#else
// If a smplayer.ini exists in the app path, will use that path
// for the config file by default
if (QFile::exists( a.applicationDirPath() + "/smplayer.ini" ) ) {
config_path = a.applicationDirPath();
qDebug("main: using existing %s", QString(config_path + "/smplayer.ini").toUtf8().data());
}
#endif
QStringList args = a.arguments();
int pos = args.indexOf("-config-path");
if ( pos != -1) {
if (pos+1 < args.count()) {
pos++;
config_path = args[pos];
// Delete from list
args.removeAt(pos);
args.removeAt(pos-1);
} else {
printf("Error: expected parameter for -config-path\r\n");
return SMPlayer::ErrorArgument;
}
}
qInstallMsgHandler( myMessageOutput );
#if USE_LOCKS
//setIniPath will be set later in global_init, but we need it here
if (!config_path.isEmpty()) Paths::setConfigPath(config_path);
QString lock_file = Paths::iniPath() + "/smplayer_init.lock";
qDebug("main: lock_file: %s", lock_file.toUtf8().data());
#if USE_QXT_LOCKS
QFile f(lock_file);
QxtFileLock write_lock(&f, 0x10, 30, QxtFileLock::WriteLock);
bool lock_ok = create_lock(&f, &write_lock);
if (!lock_ok) {
//lock failed
qDebug("main: lock failed");
// Wait 10 secs max.
int n = 100;
while ( n > 0) {
Helper::msleep(100); // wait 100 ms
//if (!QFile::exists(lock_file)) break;
if (create_lock(&f, &write_lock)) break;
n--;
if ((n % 10) == 0) qDebug("main: waiting %d...", n);
}
// Continue startup
}
#else
if (QFile::exists(lock_file)) {
qDebug("main: %s exists, waiting...", lock_file.toUtf8().data());
// Wait 10 secs max.
int n = 100;
while ( n > 0) {
Helper::msleep(100); // wait 100 ms
if (!QFile::exists(lock_file)) break;
n--;
if ((n % 10) == 0) qDebug("main: waiting %d...", n);
}
remove_lock(lock_file);
} else {
// Create lock file
QFile f(lock_file);
if (f.open(QIODevice::WriteOnly)) {
f.write("smplayer lock file");
f.close();
} else {
qWarning("main: can't open %s for writing", lock_file.toUtf8().data());
}
}
#endif // USE_QXT_LOCKS
#endif // USE_LOCKS
SMPlayer * smplayer = new SMPlayer(config_path);
SMPlayer::ExitCode c = smplayer->processArgs( args );
if (c != SMPlayer::NoExit) {
#if USE_LOCKS
#if USE_QXT_LOCKS
clean_lock(&f, &write_lock);
#else
remove_lock(lock_file);
#endif
#endif
return c;
}
basegui_instance = smplayer->gui();
a.connect(smplayer->gui(), SIGNAL(quitSolicited()), &a, SLOT(quit()));
smplayer->start();
#if USE_LOCKS
#if USE_QXT_LOCKS
clean_lock(&f, &write_lock);
#else
remove_lock(lock_file);
#endif
#endif
int r = a.exec();
basegui_instance = 0;
delete smplayer;
return r;
}