New libnotify plugin.

TODO: - get rid of the harcoded path for the icon
      - make the meta printed an option.

configure.ac

@@ -1509,6 +1509,26 @@ AS_IF([test "${enable_growl}" != "no"], [
   ]
 )
 
+dnl
+dnl Libnotify notification plugin
+dnl
+
+AC_ARG_ENABLE(notify,
+  [  --enable-notify          libnotify notification plugin (default enabled)])
+AS_IF([test "${enable_notify}" != "no"], [
+    PKG_CHECK_MODULES(NOTIFY, libnotify,
+      [
+        VLC_ADD_PLUGINS([notify])
+        VLC_ADD_CFLAGS(notify, [$NOTIFY_CFLAGS])
+	VLC_ADD_LDFLAGS(notify, [$NOTIFY_LIBS])
+      ],[
+	AS_IF([test "${enable_notify}" = "yes"],[
+	       AC_MSG_WARN( libnotify not found) ])
+      ])
+  ])
+
+
+
 
 dnl
 dnl  Input plugins

modules/misc/notify.c

+/*****************************************************************************
+ * notify.c : libnotify notification plugin
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Christophe Mutricy <xtophe -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
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>                                      /* malloc(), free() */
+#include <errno.h>
+
+#include <libnotify/notify.h>
+
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+#include <vlc_meta.h>
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  Open    ( vlc_object_t * );
+static void Close   ( vlc_object_t * );
+static void Run     ( intf_thread_t * );
+
+static int ItemChange( vlc_object_t *, const char *,
+                       vlc_value_t, vlc_value_t, void * );
+static int Notify( vlc_object_t *, const char * );
+#define MAX_LENGTH 256
+
+/*****************************************************************************
+ * Module descriptor
+ ****************************************************************************/
+
+
+#define APPLICATION_NAME "VLC media player"
+
+#define TIMEOUT_TEXT N_("Timeout (ms)")
+#define TIMEOUT_LONGTEXT N_("How long the notification will be displayed ")
+
+vlc_module_begin();
+    set_category( CAT_INTERFACE );
+    set_subcategory( SUBCAT_INTERFACE_CONTROL );
+    set_shortname( N_( "Notify" ) );
+    set_description( _("LibNotify Notification Plugin") );
+
+    add_integer( "notify-timeout", 4000,NULL,
+                TIMEOUT_TEXT, TIMEOUT_LONGTEXT, VLC_TRUE );
+
+    set_capability( "interface", 0 );
+    set_callbacks( Open, Close );
+vlc_module_end();
+
+/*****************************************************************************
+ * Open: initialize and create stuff
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+    intf_thread_t *p_intf = (intf_thread_t *)p_this;
+
+    playlist_t *p_playlist = (playlist_t *)vlc_object_find(
+        p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+
+    if( !p_playlist )
+    {
+        msg_Err( p_intf, "could not find playlist object" );
+        return VLC_ENOOBJ;
+    }
+
+    var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+/*    var_AddCallback( p_playlist, "item-change", ItemChange, p_intf );*/
+
+    vlc_object_release( p_playlist );
+
+    if( !notify_init( APPLICATION_NAME ) )
+    {
+        msg_Err( p_intf, "can't find notification daemon" );
+        return VLC_EGENERIC;
+    }
+    p_intf->pf_run = Run;
+    msg_Dbg( p_intf,"notify plugin started");
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close: destroy interface stuff
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+    playlist_t *p_playlist = (playlist_t *)vlc_object_find(
+        p_this, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+
+    if( p_playlist )
+    {
+        var_DelCallback( p_playlist, "playlist-current", ItemChange, p_this );
+        vlc_object_release( p_playlist );
+    }
+
+    notify_uninit();
+}
+
+/*****************************************************************************
+ * Run
+ *****************************************************************************/
+static void Run( intf_thread_t *p_this )
+{
+    msleep( 100*INTF_IDLE_SLEEP );
+}
+
+/*****************************************************************************
+ * ItemChange: Playlist item change callback
+ *****************************************************************************/
+static int ItemChange( vlc_object_t *p_this, const char *psz_var,
+                       vlc_value_t oldval, vlc_value_t newval, void *param )
+{
+    char psz_tmp[MAX_LENGTH];
+    playlist_t *p_playlist;
+    char *psz_title = NULL;
+    char *psz_artist = NULL;
+    char *psz_album = NULL;
+    input_thread_t *p_input=NULL;
+    p_playlist = (playlist_t *)vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
+                                                FIND_ANYWHERE );
+    if( !p_playlist ) return VLC_EGENERIC;
+    p_input = p_playlist->p_input;
+    vlc_object_release( p_playlist );
+    if( !p_input ) return VLC_SUCCESS;
+    vlc_object_yield( p_input );
+
+    if( p_input->b_dead || !p_input->input.p_item->psz_name )
+    {
+        /* Not playing anything ... */
+        vlc_object_release( p_input );
+        return VLC_SUCCESS;
+    }
+
+    /* Playing something ... */
+    psz_artist = p_input->input.p_item->p_meta->psz_artist ?
+                  strdup( p_input->input.p_item->p_meta->psz_artist ) :
+                  strdup( _("no artist") );
+    psz_album = p_input->input.p_item->p_meta->psz_album ?
+                  strdup( p_input->input.p_item->p_meta->psz_album ) :
+                  strdup( _("no album") );
+    psz_title = strdup( p_input->input.p_item->psz_name );
+    if( psz_title == NULL ) psz_title = strdup( N_("(no title)") );
+    snprintf( psz_tmp, MAX_LENGTH, "%s - %s - %s",
+              psz_title, psz_artist, psz_album );
+    free( psz_title );
+    free( psz_artist );
+    free( psz_album );
+
+    Notify( p_this, psz_tmp );
+
+    vlc_object_release( p_input );
+    return VLC_SUCCESS;
+}
+
+static int Notify( vlc_object_t *p_this, const char *psz_temp )
+{
+    NotifyNotification * notification;
+    notification = notify_notification_new( _("Now Playing"),
+                             psz_temp,
+                             "/usr/share/pixmaps/vlc.png",NULL);
+    notify_notification_set_timeout( notification,
+                                     config_GetInt(p_this, "notify-timeout") );
+    notify_notification_set_urgency( notification, NOTIFY_URGENCY_LOW );
+    notify_notification_show( notification, NULL);
+    return VLC_SUCCESS;
+}
+