[vlc-devel] commit: xdg-screensaver plugin ( Rémi Denis-Courmont )
git version control
git at videolan.org
Sat Oct 17 20:41:45 CEST 2009
vlc | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Sat Oct 17 21:41:01 2009 +0300| [69fe563229ea5726f1039ffcea3561ad1d74a943] | committer: Rémi Denis-Courmont
xdg-screensaver plugin
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=69fe563229ea5726f1039ffcea3561ad1d74a943
---
configure.ac | 1 +
modules/misc/Modules.am | 1 +
modules/misc/xdg-screensaver.c | 111 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 113 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index 270d527..ec9fde0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3671,6 +3671,7 @@ AS_IF([test "${enable_xcb}" != "no"], [
VLC_ADD_PLUGIN([globalhotkeys])
VLC_ADD_CFLAGS([globalhotkeys],[${XCB_KEYSYMS_CFLAGS} ${XCB_CFLAGS}] )
VLC_ADD_LIBS([globalhotkeys],[${XCB_KEYSYMS_LIBS} ${XCB_LIBS}] )
+ VLC_ADD_PLUGIN([xdg_screensaver])
])
diff --git a/modules/misc/Modules.am b/modules/misc/Modules.am
index 024a455..6d99abf 100644
--- a/modules/misc/Modules.am
+++ b/modules/misc/Modules.am
@@ -19,6 +19,7 @@ SOURCES_gnutls = gnutls.c dhparams.h
SOURCES_svg = svg.c
SOURCES_audioscrobbler = audioscrobbler.c
SOURCES_inhibit = inhibit.c
+SOURCES_xdg_screensaver = xdg-screensaver.c
libvlc_LTLIBRARIES += \
liblogger_plugin.la
diff --git a/modules/misc/xdg-screensaver.c b/modules/misc/xdg-screensaver.c
new file mode 100644
index 0000000..84cfb7d
--- /dev/null
+++ b/modules/misc/xdg-screensaver.c
@@ -0,0 +1,111 @@
+/*****************************************************************************
+ * xdg-screensaver.c
+ *****************************************************************************
+ * Copyright (C) 2008 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser 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.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_inhibit.h>
+#include <spawn.h>
+#include <sys/wait.h>
+
+static int Open (vlc_object_t *);
+static void Close (vlc_object_t *);
+
+vlc_module_begin ()
+ set_shortname ("XDG-screensaver" )
+ set_description (N_("XDG screen saver inhibition") )
+ set_capability ("inhibit", 10 )
+ set_callbacks (Open, Close)
+ set_category (CAT_ADVANCED)
+ set_subcategory (SUBCAT_ADVANCED_MISC)
+vlc_module_end ()
+
+struct vlc_inhibit_sys
+{
+ pid_t pid;
+ char id[11];
+};
+
+static void Inhibit (vlc_inhibit_t *ih, bool suspend);
+
+static int Open (vlc_object_t *obj)
+{
+ vlc_inhibit_t *ih = (vlc_inhibit_t *)obj;
+ vlc_inhibit_sys_t *p_sys = malloc (sizeof (*p_sys));
+ if (p_sys == NULL)
+ return VLC_ENOMEM;
+
+ ih->p_sys = p_sys;
+ ih->inhibit = Inhibit;
+
+ p_sys->pid = 0;
+ snprintf (p_sys->id, sizeof (p_sys->id), "0x%08"PRIx32, ih->window_id);
+
+ return VLC_SUCCESS;
+}
+
+static void Close (vlc_object_t *obj)
+{
+ vlc_inhibit_t *ih = (vlc_inhibit_t *)obj;
+ vlc_inhibit_sys_t *p_sys = ih->p_sys;
+
+ if (p_sys->pid)
+ {
+ int status;
+
+ while (waitpid (p_sys->pid, &status, 0) == -1);
+ }
+ free (p_sys);
+}
+
+static void Inhibit (vlc_inhibit_t *ih, bool suspend)
+{
+ vlc_inhibit_sys_t *p_sys = ih->p_sys;
+ pid_t pid;
+
+ /* xdg-screensaver can take quite a while to start up (e.g. 1 second).
+ * So we avoid _waiting_ for it unless we really need to (clean up). */
+ /* TODO: it would be even faster to cache the current state, and
+ * wait in a separate thread until the target state is reached. */
+ if (p_sys->pid)
+ {
+ int status;
+
+ while (waitpid (p_sys->pid, &status, 0) == -1);
+ p_sys->pid = 0;
+ }
+
+ char *argv[4] = {
+ (char *)"xdg-screensaver",
+ suspend ? (char *)"suspend" : (char *)"resume",
+ p_sys->id,
+ NULL,
+ };
+ if (posix_spawnp (&pid, "xdg-screensaver", NULL, NULL, argv, environ) == 0)
+ {
+ msg_Dbg (ih, "started xdg-screensaver (PID = %d)", (int)pid);
+ ih->p_sys->pid = pid;
+ }
+ else
+ msg_Warn (ih, "could not start xdg-screensaver");
+}
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