/*****************************************************************************
* screensaver.c : disable screen savers when VLC is playing
*****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
+ * 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 <vlc_fs.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <spawn.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;
+ posix_spawn_file_actions_t actions;
+ posix_spawnattr_t attr;
+ int nullfd;
+};
+
+extern char **environ;
/*****************************************************************************
* 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;
+ int fd = vlc_open ("/dev/null", O_WRONLY);
+ posix_spawn_file_actions_init (&p_sys->actions);
+ if (fd != -1)
+ {
+ posix_spawn_file_actions_adddup2 (&p_sys->actions, fd, 1);
+ posix_spawn_file_actions_adddup2 (&p_sys->actions, fd, 2);
+ posix_spawn_file_actions_addclose (&p_sys->actions, fd);
+ }
+ p_sys->nullfd = fd;
+
+ sigset_t set;
+ posix_spawnattr_init (&p_sys->attr);
+ sigemptyset (&set);
+ posix_spawnattr_setsigmask (&p_sys->attr, &set);
+
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * Deactivate: uninitialize and cleanup
+ *****************************************************************************/
+static void Deactivate( vlc_object_t *p_this )
+{
+ vlc_inhibit_t *p_ih = (vlc_inhibit_t*)p_this;
+ vlc_inhibit_sys_t *p_sys = p_ih->p_sys;
+
+ vlc_timer_destroy( p_sys->timer );
+ if (p_sys->nullfd != -1)
+ close (p_sys->nullfd);
+ posix_spawnattr_destroy (&p_sys->attr);
+ posix_spawn_file_actions_destroy (&p_sys->actions);
+ free( p_sys );
+}
+
+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 );
+}
+
+/*****************************************************************************
+ * Execute: Spawns a process using execv()
+ *****************************************************************************/
+static void Execute (vlc_inhibit_t *p_ih, const char *const *argv)
+{
+ vlc_inhibit_sys_t *p_sys = p_ih->p_sys;
+ pid_t pid;
+
+ if (posix_spawn (&pid, argv[0], &p_sys->actions, &p_sys->attr,
+ (char **)argv, environ) == 0)
+ {
+ while (waitpid (pid, NULL, 0) != pid);
+ }
+}
+
/*****************************************************************************
* 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 Run( intf_thread_t *p_intf )
+static void Timer( void *data )
{
- int i_lastcall = 0;
+ vlc_inhibit_t *p_ih = data;
- while( !p_intf->b_die )
- {
- msleep( 100000 );
-
- /* 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 );
-
- /* http://www.jwz.org/xscreensaver/faq.html#dvd */
- system( "xscreensaver-command -deactivate >&- 2>&- &" );
-
- /* FIXME: add support for other screensavers */
- }
-
- i_lastcall = 0;
- }
- }
-}
+ /* 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 (p_ih, ppsz_xsargs);
+ const char *const ppsz_gsargs[] = { "/bin/sh", "-c",
+ "gnome-screensaver-command --poke &", (char*)NULL };
+ Execute (p_ih, ppsz_gsargs);
+}
projects / vlc / blobdiff