/*****************************************************************************
* screensaver.c : disable screen savers when VLC is playing
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
+ * Copyright (C) 2006-2009 the VideoLAN team
* $Id$
*
* Authors: Sam Hocevar <sam@zoy.org>
+ * Benjamin Pracht <bigben AT videolan DOT 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
*
* 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h>
-#include <vlc/vlc.h>
-#include <vlc/intf.h>
-#include <vlc/aout.h>
-#include <vlc/vout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_inhibit.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <signal.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
-static void Run ( intf_thread_t *p_intf );
+static void Deactivate ( vlc_object_t * );
+
+static void Timer( void * );
+static void Inhibit( vlc_inhibit_t *, bool );
+
+struct vlc_inhibit_sys
+{
+ vlc_timer_t timer;
+};
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-vlc_module_begin();
- set_description( _("X Screensaver disabler") );
- set_capability( "interface", 0 );
- set_callbacks( Activate, NULL );
-vlc_module_end();
+vlc_module_begin ()
+ set_description( N_("X Screensaver disabler") )
+ set_capability( "inhibit", 5 )
+ set_callbacks( Activate, Deactivate )
+vlc_module_end ()
/*****************************************************************************
* Activate: initialize and create stuff
*****************************************************************************/
static int Activate( vlc_object_t *p_this )
{
- intf_thread_t *p_intf = (intf_thread_t*)p_this;
+ vlc_inhibit_t *p_ih = (vlc_inhibit_t*)p_this;
+ vlc_inhibit_sys_t *p_sys;
+
+ p_sys = p_ih->p_sys = malloc( sizeof( *p_sys ) );
+ if( !p_sys )
+ return VLC_ENOMEM;
- p_intf->pf_run = Run;
+ if( vlc_timer_create( &p_sys->timer, Timer, p_ih ) )
+ {
+ free( p_sys );
+ return VLC_ENOMEM;
+ }
+ p_ih->inhibit = Inhibit;
return VLC_SUCCESS;
}
/*****************************************************************************
- * Run: main thread
- *****************************************************************************
- * This part of the module is in a separate thread so that we do not have
- * too much system() overhead.
+ * Deactivate: uninitialize and cleanup
*****************************************************************************/
-static void Run( intf_thread_t *p_intf )
+static void Deactivate( vlc_object_t *p_this )
{
- int i_lastcall = 0;
+ vlc_inhibit_t *p_ih = (vlc_inhibit_t*)p_this;
+ vlc_inhibit_sys_t *p_sys = p_ih->p_sys;
- while( !p_intf->b_die )
- {
- msleep( 100000 );
+ vlc_timer_destroy( p_sys->timer );
- /* Check screensaver every 30 seconds */
- if( ++i_lastcall > 300 )
- {
- vlc_object_t *p_vout;
- p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
- /* If there is a video output, disable xscreensaver */
- if( p_vout )
- {
- vlc_object_release( p_vout );
+ free( p_sys );
+}
- /* http://www.jwz.org/xscreensaver/faq.html#dvd */
- system( "xscreensaver-command -deactivate >&- 2>&- &" );
+static void Inhibit( vlc_inhibit_t *p_ih, bool suspend )
+{
+ mtime_t d = suspend ? 30*CLOCK_FREQ : 0;
+ vlc_timer_schedule( p_ih->p_sys->timer, false, d, d );
+}
- /* FIXME: add support for other screensavers */
- }
+/*****************************************************************************
+ * Execute: Spawns a process using execv()
+ *****************************************************************************/
+static void Execute( vlc_object_t *p_this, const char *const *ppsz_args )
+{
+ pid_t pid = fork();
+ switch( pid )
+ {
+ case 0: /* we're the child */
+ {
+ sigset_t set;
+ sigemptyset (&set);
+ pthread_sigmask (SIG_SETMASK, &set, NULL);
- i_lastcall = 0;
+ /* We don't want output */
+ if( ( freopen( "/dev/null", "w", stdout ) != NULL )
+ && ( freopen( "/dev/null", "w", stderr ) != NULL ) )
+ execv( ppsz_args[0] , (char *const *)ppsz_args );
+ /* If the file we want to execute doesn't exist we exit() */
+ exit( EXIT_FAILURE );
}
+ case -1: /* we're the error */
+ msg_Dbg( p_this, "Couldn't fork() while launching %s",
+ ppsz_args[0] );
+ break;
+ default: /* we're the parent */
+ /* Wait for the child to exit.
+ * We will not deadlock because we ran "/bin/sh &" */
+ while( waitpid( pid, NULL, 0 ) != pid);
+ break;
}
}
+/*****************************************************************************
+ * Run: main thread
+ *****************************************************************************
+ * This part of the module is in a separate thread so that we do not have
+ * too much system() overhead.
+ *****************************************************************************/
+static void Timer( void *data )
+{
+ vlc_inhibit_t *p_ih = data;
+
+ /* If there is a playing video output, disable xscreensaver */
+ /* http://www.jwz.org/xscreensaver/faq.html#dvd */
+ const char *const ppsz_xsargs[] = { "/bin/sh", "-c",
+ "xscreensaver-command -deactivate &", (char*)NULL };
+ Execute( VLC_OBJECT(p_ih), ppsz_xsargs );
+
+ const char *const ppsz_gsargs[] = { "/bin/sh", "-c",
+ "gnome-screensaver-command --poke &", (char*)NULL };
+ Execute( VLC_OBJECT(p_ih), ppsz_gsargs );
+}
projects / vlc / blobdiff