have a move around

36 files changed, 1220 insertions, 0 deletions

diff --git a/plugins/glue/Makefile.am b/plugins/glue/Makefile.am
new file mode 100644
index 0000000..bab5d1b
--- /dev/null
+++ b/plugins/glue/Makefile.am
@@ -0,0 +1,14 @@
+SUBDIRS = 				\
+	idle				\
+	battery				\
+	acadapter			\
+	timeremaining			\
+	powerstatus			\
+	backlight
+
+if HAVE_DPMS_EXTENSION
+SUBDIRS += dpms
+endif
+
+clean-local:
+	rm -f *~
diff --git a/plugins/glue/acadapter/.gitignore b/plugins/glue/acadapter/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/acadapter/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/acadapter/Makefile.am b/plugins/glue/acadapter/Makefile.am
new file mode 100644
index 0000000..4928aee
--- /dev/null
+++ b/plugins/glue/acadapter/Makefile.am
@@ -0,0 +1,20 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = acadapter
+
+lib_LTLIBRARIES = libohm_acadapter.la
+libohm_acadapterincludedir = $(includedir)/ohm
+libohm_acadapter_la_SOURCES = ohm-plugin-acadapter.c
+libohm_acadapter_la_LIBADD = $(INTLLIBS)
+libohm_acadapter_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/acadapter/README b/plugins/glue/acadapter/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/acadapter/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/acadapter/acadapter b/plugins/glue/acadapter/acadapter
new file mode 100644
index 0000000..3e86554
--- /dev/null
+++ b/plugins/glue/acadapter/acadapter
@@ -0,0 +1 @@
+# acadapter preference values
diff --git a/plugins/glue/acadapter/ohm-plugin-acadapter.c b/plugins/glue/acadapter/ohm-plugin-acadapter.c
new file mode 100644
index 0000000..0c1475e
--- /dev/null
+++ b/plugins/glue/acadapter/ohm-plugin-acadapter.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+#include <string.h>
+#include <ohm-plugin.h>
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	ohm_plugin_conf_provide (plugin, "acadapter.state");
+	return TRUE;
+}
+
+static void
+hal_property_changed_cb (OhmPlugin   *plugin,
+			 const gchar *key)
+{
+	gboolean state;
+	if (strcmp (key, "ac_adapter.present") == 0) {
+		ohm_plugin_hal_get_bool (plugin, "ac_adapter.present", &state);
+		ohm_plugin_conf_set_key (plugin, "acadapter.state", state);
+	}
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	gboolean state;
+	gboolean ret;
+
+	/* initialise HAL */
+	ohm_plugin_hal_init (plugin);
+
+	/* we want this function to get the property modified events for all devices */
+	ohm_plugin_hal_use_property_modified (plugin, hal_property_changed_cb);
+
+	/* get the only device with capability and watch it */
+	ret = ohm_plugin_hal_add_device_capability (plugin, "ac_adapter");
+	if (ret == TRUE) {
+		ohm_plugin_hal_get_bool (plugin, "ac_adapter.present", &state);
+	} else {
+		g_warning ("not tested with not one acadapter");
+		state = 1;
+	}
+
+	ohm_plugin_conf_set_key (plugin, "acadapter.state", state);
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM HAL AC Adapter",		/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	NULL,				/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/backlight/.gitignore b/plugins/glue/backlight/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/backlight/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/backlight/Makefile.am b/plugins/glue/backlight/Makefile.am
new file mode 100644
index 0000000..48b98b9
--- /dev/null
+++ b/plugins/glue/backlight/Makefile.am
@@ -0,0 +1,22 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(HAL_CFLAGS)						\
+	$(GLIB_CFLAGS)						\
+	$(DBUS_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = backlight
+
+lib_LTLIBRARIES = libohm_backlight.la
+libohm_backlightincludedir = $(includedir)/ohm
+libohm_backlight_la_SOURCES = ohm-plugin-backlight.c
+libohm_backlight_la_LIBADD = @HAL_LIBS@ @DBUS_LIBS@ $(INTLLIBS)
+libohm_backlight_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/backlight/README b/plugins/glue/backlight/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/backlight/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/backlight/backlight b/plugins/glue/backlight/backlight
new file mode 100644
index 0000000..dc652cf
--- /dev/null
+++ b/plugins/glue/backlight/backlight
@@ -0,0 +1,2 @@
+# backlight preference values
+
diff --git a/plugins/glue/backlight/ohm-plugin-backlight.c b/plugins/glue/backlight/ohm-plugin-backlight.c
new file mode 100644
index 0000000..c671021
--- /dev/null
+++ b/plugins/glue/backlight/ohm-plugin-backlight.c
@@ -0,0 +1,210 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+
+#include <ohm-plugin.h>
+#include <dbus/dbus-glib.h>
+
+#define	HAL_DBUS_SERVICE		 	"org.freedesktop.Hal"
+#define	HAL_DBUS_INTERFACE_LAPTOP_PANEL	 	"org.freedesktop.Hal.Device.LaptopPanel"
+
+enum {
+	CONF_BRIGHTNESS_PERCENT_CHANGED,
+	CONF_BRIGHTNESS_HARDWARE_CHANGED,
+	CONF_LAST
+};
+
+typedef struct {
+	gint levels;
+} OhmPluginCacheData;
+
+static OhmPluginCacheData data;
+
+static gboolean
+backlight_set_brightness (OhmPlugin *plugin, guint brightness)
+{
+	DBusGConnection *connection;
+	DBusGProxy *proxy;
+	GError *error;
+	gboolean ret;
+	gint retval;
+	gchar *udi;
+
+	/* get udi and connection, assume connected */
+	udi = ohm_plugin_hal_get_udi (plugin);
+	connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
+
+	/* reuse the connection from HAL */
+	proxy = dbus_g_proxy_new_for_name (connection,
+					   HAL_DBUS_SERVICE, udi,
+					   HAL_DBUS_INTERFACE_LAPTOP_PANEL);
+
+	/* get the brightness from HAL */
+	error = NULL;
+	ret = dbus_g_proxy_call (proxy, "SetBrightness", &error,
+				 G_TYPE_INT, (int)brightness,
+				 G_TYPE_INVALID,
+				 G_TYPE_UINT, &retval,
+				 G_TYPE_INVALID);
+	if (ret == FALSE) {
+		g_printerr ("Error: %s\n", error->message);
+		g_error_free (error);
+	}
+	g_object_unref (proxy);
+	g_free (udi);
+	return ret;
+}
+
+#if 0
+static gboolean
+backlight_get_brightness (OhmPlugin *plugin, guint *brightness)
+{
+	DBusConnection *connection;
+	DBusGProxy *proxy;
+	GError *error;
+	gboolean ret;
+	int level = 0;
+
+	/* reuse the connection from HAL */
+	connection = libhal_ctx_get_dbus_connection (ctx);
+	proxy = dbus_g_proxy_new_for_name (connection, HAL_DBUS_SERVICE, udi, HAL_DBUS_INTERFACE_LAPTOP_PANEL);
+
+	/* get the brightness from HAL */
+	error = NULL;
+	ret = dbus_g_proxy_call (proxy, "GetBrightness", &error,
+				 G_TYPE_INVALID,
+				 G_TYPE_UINT, &level,
+				 G_TYPE_INVALID);
+	if (ret == FALSE) {
+		g_printerr ("Error: %s\n", error->message);
+		g_error_free (error);
+		level = 0;
+	}
+	*brightness = level;
+	g_object_unref (proxy);
+	return ret;
+}
+#endif
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* tell ohmd what keys we are going to provide so it can create them */
+	ohm_plugin_conf_provide (plugin, "backlight.hardware_brightness");
+	ohm_plugin_conf_provide (plugin, "backlight.percent_brightness");
+	ohm_plugin_conf_provide (plugin, "backlight.num_levels");
+	return TRUE;
+}
+
+static guint
+percent_to_discrete (guint percentage,
+		     guint levels)
+{
+	/* check we are in range */
+	if (percentage > 100) {
+		return levels;
+	}
+	if (levels == 0) {
+		g_warning ("levels is 0!");
+		return 0;
+	}
+	return ((gfloat) percentage * (gfloat) (levels - 1)) / 100.0f;
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	gboolean ret;
+
+	/* interested keys, either can be changed without changing the other  */
+	ohm_plugin_conf_interested (plugin, "backlight.hardware_brightness", CONF_BRIGHTNESS_HARDWARE_CHANGED);
+	ohm_plugin_conf_interested (plugin, "backlight.percent_brightness", CONF_BRIGHTNESS_PERCENT_CHANGED);
+
+	/* initialise HAL */
+	ohm_plugin_hal_init (plugin);
+
+	/* get the only device with capability and watch it */
+	ret = ohm_plugin_hal_add_device_capability (plugin, "laptop_panel");
+	if (ret == TRUE) {
+		ohm_plugin_hal_get_int (plugin, "laptop_panel.num_levels", &data.levels);
+		g_debug ("Laptop panel levels: %i", data.levels);
+	} else {
+		g_warning ("not tested with not one laptop_panel");
+	}
+
+	/* get levels that the adapter supports -- this does not change ever */
+	ohm_plugin_hal_get_int (plugin, "laptop_panel.num_levels", &data.levels);
+	if (data.levels == 0) {
+		g_error ("levels zero!");
+		return;
+	}
+	ohm_plugin_conf_set_key (plugin, "backlight.num_levels", data.levels);
+}
+
+/**
+ * plugin_conf_notify:
+ * @plugin: This class instance
+ *
+ * Notify the plugin that a key marked with ohm_plugin_conf_interested ()
+ * has it's value changed.
+ * An enumerated numeric id rather than the key is returned for processing speed.
+ */
+static void
+plugin_conf_notify (OhmPlugin *plugin, gint id, gint value)
+{
+	guint hw;
+	if (id == CONF_BRIGHTNESS_PERCENT_CHANGED) {
+		hw = percent_to_discrete (value, data.levels);
+		ohm_plugin_conf_set_key (plugin, "backlight.hardware_brightness", hw);
+		// backlight_set_brightness (plugin, hw); ------ SHOULDN'T BE NEEDED
+	} else if (id == CONF_BRIGHTNESS_HARDWARE_CHANGED) {
+		backlight_set_brightness (plugin, value);
+	}
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM Backlight",		/* description */
+	"0.0.2",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	plugin_conf_notify,		/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/battery/.gitignore b/plugins/glue/battery/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/battery/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/battery/Makefile.am b/plugins/glue/battery/Makefile.am
new file mode 100644
index 0000000..55d03cc
--- /dev/null
+++ b/plugins/glue/battery/Makefile.am
@@ -0,0 +1,20 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = battery
+
+lib_LTLIBRARIES = libohm_battery.la
+libohm_batteryincludedir = $(includedir)/ohm
+libohm_battery_la_SOURCES = ohm-plugin-battery.c
+libohm_battery_la_LIBADD = $(INTLLIBS)
+libohm_battery_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/battery/README b/plugins/glue/battery/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/battery/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/battery/battery b/plugins/glue/battery/battery
new file mode 100644
index 0000000..ed1b869
--- /dev/null
+++ b/plugins/glue/battery/battery
@@ -0,0 +1 @@
+# battery preference values
diff --git a/plugins/glue/battery/ohm-plugin-battery.c b/plugins/glue/battery/ohm-plugin-battery.c
new file mode 100644
index 0000000..da979be
--- /dev/null
+++ b/plugins/glue/battery/ohm-plugin-battery.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+#include <string.h>
+
+#include <ohm-plugin.h>
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplug.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* tell ohmd what keys we are going to provide - don't set keys
+	 * unless you provide them */
+	ohm_plugin_conf_provide (plugin, "battery.percentage");
+	return TRUE;
+}
+
+static void
+hal_property_changed_cb (OhmPlugin   *plugin,
+			 const gchar *key)
+{
+	gboolean state;
+	if (strcmp (key, "battery.charge_level.percentage") == 0) {
+		ohm_plugin_hal_get_int (plugin, "battery.percentage", &state);
+		ohm_plugin_conf_set_key (plugin, "battery.percentage", state);
+	}
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	gint state;
+	gboolean ret;
+
+	/* initialise HAL */
+	ohm_plugin_hal_init (plugin);
+
+	/* we want this function to get the property modified events for all devices */
+	ohm_plugin_hal_use_property_modified (plugin, hal_property_changed_cb);
+
+	/* get the only device with capability and watch it */
+	ret = ohm_plugin_hal_add_device_capability (plugin, "battery");
+	if (ret == TRUE) {
+		ohm_plugin_hal_get_int (plugin, "battery.percentage", &state);
+	} else {
+		g_warning ("not tested with not one battery");
+		state = 100;
+	}
+	ohm_plugin_conf_set_key (plugin, "battery.percentage", state);
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM HAL Battery",		/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	NULL,				/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/dpms/.gitignore b/plugins/glue/dpms/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/dpms/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/dpms/Makefile.am b/plugins/glue/dpms/Makefile.am
new file mode 100644
index 0000000..9c2525d
--- /dev/null
+++ b/plugins/glue/dpms/Makefile.am
@@ -0,0 +1,22 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(DBUS_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = dpms
+
+lib_LTLIBRARIES = libohm_dpms.la
+libohm_dpmsincludedir = $(includedir)/ohm
+libohm_dpms_la_SOURCES = ohm-plugin-dpms.c
+libohm_dpms_la_LIBADD = @DBUS_LIBS@ $(INTLLIBS)	$(OHM_X11_LIBS)
+
+libohm_dpms_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/dpms/README b/plugins/glue/dpms/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/dpms/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/dpms/dpms b/plugins/glue/dpms/dpms
new file mode 100644
index 0000000..d06aacf
--- /dev/null
+++ b/plugins/glue/dpms/dpms
@@ -0,0 +1,7 @@
+# dpms preference values
+# method:
+# 0	stagger
+# 1	standby
+# 2	suspend
+# 3	off
+dpms.method 3 public
diff --git a/plugins/glue/dpms/ohm-plugin-dpms.c b/plugins/glue/dpms/ohm-plugin-dpms.c
new file mode 100644
index 0000000..8810865
--- /dev/null
+++ b/plugins/glue/dpms/ohm-plugin-dpms.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <gmodule.h>
+#include <glib.h>
+
+#include <ohm-plugin.h>
+
+#include <X11/Xutil.h>
+#include <X11/Xproto.h>			/* for CARD16 */
+#include <X11/extensions/dpms.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/dpmsstr.h>
+
+enum {
+	CONF_BACKLIGHT_STATE_CHANGED,
+	CONF_LAST
+};
+
+typedef enum {
+	OHM_DPMS_MODE_ON,
+	OHM_DPMS_MODE_STANDBY,
+	OHM_DPMS_MODE_SUSPEND,
+	OHM_DPMS_MODE_OFF
+} OhmDpmsMode;
+
+typedef struct {
+	gint state;
+	Display *dpy;
+} OhmPluginCacheData;
+
+static OhmPluginCacheData data;
+
+/**
+ * plugin_preload:
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* add in the required, suggested and prevented plugins */
+	ohm_plugin_require (plugin, "backlight");
+	return TRUE;
+}
+
+
+/**
+ * ohm_dpms_get_mode:
+ */
+static gboolean
+ohm_dpms_get_mode (OhmDpmsMode *mode)
+{
+	OhmDpmsMode result;
+	int event_number;
+	int error_number;
+	BOOL enabled = FALSE;
+	CARD16 state;
+
+	if (! DPMSQueryExtension (data.dpy, &event_number, &error_number)) {
+		/* Server doesn't know -- assume the monitor is on. */
+		result = OHM_DPMS_MODE_ON;
+
+	} else if (! DPMSCapable (data.dpy)) {
+		/* Server says the monitor doesn't do power management -- so it's on. */
+		result = OHM_DPMS_MODE_ON;
+
+	} else {
+		DPMSInfo (data.dpy, &state, &enabled);
+		if (! enabled) {
+			/* Server says DPMS is disabled -- so the monitor is on. */
+			result = OHM_DPMS_MODE_ON;
+		} else {
+			switch (state) {
+			case DPMSModeOn:
+				result = OHM_DPMS_MODE_ON;
+				break;
+			case DPMSModeStandby:
+				result = OHM_DPMS_MODE_STANDBY;
+				break;
+			case DPMSModeSuspend:
+				result = OHM_DPMS_MODE_SUSPEND;
+				break;
+			case DPMSModeOff:
+				result = OHM_DPMS_MODE_OFF;
+				break;
+			default:
+				result = OHM_DPMS_MODE_ON;
+				break;
+			}
+		}
+	}
+
+	if (mode) {
+		*mode = result;
+	}
+	return TRUE;
+}
+
+/**
+ * ohm_dpms_set_mode:
+ */
+static gboolean
+ohm_dpms_set_mode (OhmDpmsMode mode)
+{
+	CARD16 state;
+	OhmDpmsMode current_mode;
+
+	if (data.dpy == NULL) {
+		g_debug ("cannot open display");
+		return FALSE;
+	}
+
+	if (! DPMSCapable (data.dpy)) {
+		g_debug ("display not DPMS capable");
+		return FALSE;
+	}
+
+	if (mode == OHM_DPMS_MODE_ON) {
+		state = DPMSModeOn;
+	} else if (mode == OHM_DPMS_MODE_STANDBY) {
+		state = DPMSModeStandby;
+	} else if (mode == OHM_DPMS_MODE_SUSPEND) {
+		state = DPMSModeSuspend;
+	} else if (mode == OHM_DPMS_MODE_OFF) {
+		state = DPMSModeOff;
+	} else {
+		g_warning ("invalid state");
+		state = DPMSModeOn;
+	}
+
+	/* make sure we are not trying to set the current screen mode, else we flicker */
+	ohm_dpms_get_mode (&current_mode);
+	if (current_mode != mode) {
+		g_debug ("Setting DPMS state");
+		if (! DPMSForceLevel (data.dpy, state)) {
+			g_warning ("Could not change DPMS mode");
+			return FALSE;
+		}
+	}
+
+	XSync (data.dpy, FALSE);
+	return TRUE;
+}
+
+/**
+ * check_system_dpms_state:
+ *
+ * Check the battery, and set the low and critical values if battery is low
+ */
+static void
+check_system_dpms_state (OhmPlugin *plugin)
+{
+	if (data.state == 0) {
+		ohm_dpms_set_mode (OHM_DPMS_MODE_OFF);
+	} else if (data.state == 1) {
+		ohm_dpms_set_mode (OHM_DPMS_MODE_ON);
+	} else {
+		g_error ("unknown mode, can't set with DPMS");
+	}
+}
+
+/**
+ * plugin_coldplug:
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	/* interested keys */
+	ohm_plugin_conf_interested (plugin, "backlight.state", CONF_BACKLIGHT_STATE_CHANGED);
+
+	/* initial values */
+	data.state = 1;
+
+	/* open display, need to free using XCloseDisplay */
+	data.dpy = XOpenDisplay (":0"); /* fixme: don't assume :0 */
+
+	check_system_dpms_state (plugin);
+}
+
+/**
+ * plugin_unload:
+ *
+ * Unload drivers, free memory.
+ */
+static void
+plugin_unload (OhmPlugin *plugin)
+{
+	XCloseDisplay (data.dpy);
+	data.dpy = NULL;
+}
+
+/**
+ * plugin_conf_notify:
+ *
+ * Notify the plugin that a key marked with ohm_plugin_conf_interested ()
+ * has it's value changed.
+ * An enumerated numeric id rather than the key is returned for processing speed.
+ */
+static void
+plugin_conf_notify (OhmPlugin *plugin, gint id, gint value)
+{
+	if (id == CONF_BACKLIGHT_STATE_CHANGED) {
+		data.state = value;
+		check_system_dpms_state (plugin);
+	}
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM DPMS",			/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	plugin_unload,			/* unload */
+	plugin_coldplug,		/* coldplug */
+	plugin_conf_notify,		/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/idle/.gitignore b/plugins/glue/idle/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/idle/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/idle/Makefile.am b/plugins/glue/idle/Makefile.am
new file mode 100644
index 0000000..c4af154
--- /dev/null
+++ b/plugins/glue/idle/Makefile.am
@@ -0,0 +1,21 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(DBUS_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = idle
+
+lib_LTLIBRARIES = libohm_idle.la
+libohm_idleincludedir = $(includedir)/ohm
+libohm_idle_la_SOURCES = ohm-plugin-idle.c
+libohm_idle_la_LIBADD = @DBUS_LIBS@ $(INTLLIBS)
+libohm_idle_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/idle/README b/plugins/glue/idle/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/idle/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/idle/idle b/plugins/glue/idle/idle
new file mode 100644
index 0000000..61f8f33
--- /dev/null
+++ b/plugins/glue/idle/idle
@@ -0,0 +1 @@
+# idle preference values
diff --git a/plugins/glue/idle/ohm-plugin-idle.c b/plugins/glue/idle/ohm-plugin-idle.c
new file mode 100644
index 0000000..56d178b
--- /dev/null
+++ b/plugins/glue/idle/ohm-plugin-idle.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+
+#include <ohm-plugin.h>
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* tell ohmd what keys we are going to provide */
+	ohm_plugin_conf_provide (plugin, "idle.system_idle");
+	return TRUE;
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM PowerStatus",		/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	NULL,				/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/powerstatus/.gitignore b/plugins/glue/powerstatus/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/powerstatus/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/powerstatus/Makefile.am b/plugins/glue/powerstatus/Makefile.am
new file mode 100644
index 0000000..a948c44
--- /dev/null
+++ b/plugins/glue/powerstatus/Makefile.am
@@ -0,0 +1,21 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(DBUS_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = powerstatus
+
+lib_LTLIBRARIES = libohm_powerstatus.la
+libohm_powerstatusincludedir = $(includedir)/ohm
+libohm_powerstatus_la_SOURCES = ohm-plugin-powerstatus.c
+libohm_powerstatus_la_LIBADD = @DBUS_LIBS@ $(INTLLIBS)
+libohm_powerstatus_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/powerstatus/README b/plugins/glue/powerstatus/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/powerstatus/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/powerstatus/ohm-plugin-powerstatus.c b/plugins/glue/powerstatus/ohm-plugin-powerstatus.c
new file mode 100644
index 0000000..d07fdf7
--- /dev/null
+++ b/plugins/glue/powerstatus/ohm-plugin-powerstatus.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+
+#include <ohm-plugin.h>
+
+enum {
+	CONF_PERCENT_LOW_CHANGED,
+	CONF_PERCENT_CRITICAL_CHANGED,
+	CONF_BATTERY_CHANGED,
+	CONF_LAST
+};
+
+typedef struct {
+	gint percentage;
+	gint percentage_low;
+	gint percentage_critical;
+} OhmPluginCacheData;
+
+static OhmPluginCacheData data;
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* add in the required, suggested and prevented plugins */
+	ohm_plugin_suggest (plugin, "battery");
+
+	/* tell ohmd what keys we are going to provide so it can create them */
+	ohm_plugin_conf_provide (plugin, "powerstatus.low");
+	ohm_plugin_conf_provide (plugin, "powerstatus.critical");
+	return TRUE;
+}
+
+/**
+ * check_system_power_state:
+ * @plugin: This class instance
+ *
+ * Check the battery, and set the low and critical values if battery is low
+ */
+static void
+check_system_power_state (OhmPlugin *plugin)
+{
+	gint is_low;
+	gint is_critical;
+
+	if (data.percentage < data.percentage_critical) {
+		is_low = 1;
+		is_critical = 1;
+	} else if (data.percentage < data.percentage_low) {
+		is_low = 1;
+		is_critical = 0;
+	} else {
+		is_low = 0;
+		is_critical = 0;
+	}
+	ohm_plugin_conf_set_key (plugin, "powerstatus.low", is_low);
+	ohm_plugin_conf_set_key (plugin, "powerstatus.critical", is_critical);
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	/* interested keys */
+	ohm_plugin_conf_interested (plugin, "battery.percentage", CONF_BATTERY_CHANGED);
+	ohm_plugin_conf_interested (plugin, "powerstatus.percentage_low", CONF_BATTERY_CHANGED);
+	ohm_plugin_conf_interested (plugin, "powerstatus.percentage_critical", CONF_BATTERY_CHANGED);
+
+	/* initial values */
+	ohm_plugin_conf_get_key (plugin, "battery.percentage", &(data.percentage));
+	ohm_plugin_conf_get_key (plugin, "powerstatus.percentage_low", &(data.percentage_low));
+	ohm_plugin_conf_get_key (plugin, "powerstatus.percentage_critical", &(data.percentage_critical));
+
+	check_system_power_state (plugin);
+}
+
+/**
+ * plugin_conf_notify:
+ * @plugin: This class instance
+ *
+ * Notify the plugin that a key marked with ohm_plugin_conf_interested ()
+ * has it's value changed.
+ * An enumerated numeric id rather than the key is returned for processing speed.
+ */
+static void
+plugin_conf_notify (OhmPlugin *plugin, gint id, gint value)
+{
+	if (id == CONF_BATTERY_CHANGED) {
+		data.percentage = value;
+		check_system_power_state (plugin);
+	} else if (id == CONF_PERCENT_LOW_CHANGED) {
+		data.percentage_low = value;
+		check_system_power_state (plugin);
+	} else if (id == CONF_PERCENT_CRITICAL_CHANGED) {
+		data.percentage_critical = value;
+		check_system_power_state (plugin);
+	}
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM PowerStatus",		/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	plugin_conf_notify,		/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/powerstatus/powerstatus b/plugins/glue/powerstatus/powerstatus
new file mode 100644
index 0000000..d3814e5
--- /dev/null
+++ b/plugins/glue/powerstatus/powerstatus
@@ -0,0 +1,2 @@
+powerstatus.percentage_low 20 public
+powerstatus.percentage_critical 10 public
diff --git a/plugins/glue/timeremaining/.gitignore b/plugins/glue/timeremaining/.gitignore
new file mode 100644
index 0000000..0ec65bf
--- /dev/null
+++ b/plugins/glue/timeremaining/.gitignore
@@ -0,0 +1,8 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
+*.o
+*~
diff --git a/plugins/glue/timeremaining/Makefile.am b/plugins/glue/timeremaining/Makefile.am
new file mode 100644
index 0000000..c1af09b
--- /dev/null
+++ b/plugins/glue/timeremaining/Makefile.am
@@ -0,0 +1,21 @@
+INCLUDES =							\
+	-I$(top_srcdir)/ohmd					\
+	$(GLIB_CFLAGS)						\
+	$(DBUS_CFLAGS)						\
+	$(GMODULE_CFLAGS)					\
+	-DPACKAGE_DATA_DIR=\""$(datadir)"\" \
+	-DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\"
+
+EXTRA_DIST = $(Data_DATA)
+Datadir = $(sysconfdir)/ohm/plugins
+Data_DATA = timeremaining
+
+lib_LTLIBRARIES = libohm_timeremaining.la
+libohm_timeremainingincludedir = $(includedir)/ohm
+libohm_timeremaining_la_SOURCES = ohm-plugin-timeremaining.c
+libohm_timeremaining_la_LIBADD = @DBUS_LIBS@ $(INTLLIBS)
+libohm_timeremaining_la_LDFLAGS = -module -avoid-version
+
+clean-local:
+	rm -f *.la
+	rm -f *~
diff --git a/plugins/glue/timeremaining/README b/plugins/glue/timeremaining/README
new file mode 100644
index 0000000..0db68d7
--- /dev/null
+++ b/plugins/glue/timeremaining/README
@@ -0,0 +1 @@
+Todo
diff --git a/plugins/glue/timeremaining/ohm-plugin-timeremaining.c b/plugins/glue/timeremaining/ohm-plugin-timeremaining.c
new file mode 100644
index 0000000..7756b5d
--- /dev/null
+++ b/plugins/glue/timeremaining/ohm-plugin-timeremaining.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2
+ *
+ * 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <gmodule.h>
+#include <glib.h>
+
+#include <ohm-plugin.h>
+
+enum {
+	CONF_BATTERY_PERCENT_CHANGED,
+	CONF_AC_STATE_CHANGED,
+	CONF_LAST
+};
+
+typedef struct {
+	gint percentage;
+	gint ac_state;
+} OhmPluginCacheData;
+
+static OhmPluginCacheData data;
+
+/**
+ * plugin_preload:
+ * @plugin: This class instance
+ *
+ * Called before the plugin is coldplg.
+ * Define any modules that the plugin depends on, but do not do coldplug here
+ * as some of the modules may not have loaded yet.
+ */
+static gboolean
+plugin_preload (OhmPlugin *plugin)
+{
+	/* add in the required, suggested and prevented plugins */
+	ohm_plugin_suggest (plugin, "battery");
+	ohm_plugin_suggest (plugin, "acadapter");
+
+	/* tell ohmd what keys we are going to provide so it can create them */
+	ohm_plugin_conf_provide (plugin, "timeremaining.to_charge");
+	ohm_plugin_conf_provide (plugin, "timeremaining.to_discharge");
+	return TRUE;
+}
+
+/**
+ * check_system_power_state:
+ * @plugin: This class instance
+ *
+ * Check the battery, and set the low and critical values if battery is low
+ */
+static void
+check_system_power_state (OhmPlugin *plugin)
+{
+	ohm_plugin_conf_set_key (plugin, "timeremaining.to_charge", 10);
+	ohm_plugin_conf_set_key (plugin, "timeremaining.to_discharge", 10);
+}
+
+/**
+ * plugin_coldplug:
+ * @plugin: This class instance
+ *
+ * Coldplug, i.e. read and set the initial state of the plugin.
+ * We can assume all the required modules have been loaded, although it's
+ * dangerous to assume the key values are anything other than the defaults.
+ */
+static void
+plugin_coldplug (OhmPlugin *plugin)
+{
+	/* interested keys */
+	ohm_plugin_conf_interested (plugin, "battery.percentage", CONF_BATTERY_PERCENT_CHANGED);
+	ohm_plugin_conf_interested (plugin, "acadapter.state", CONF_AC_STATE_CHANGED);
+
+	/* initial values */
+	ohm_plugin_conf_get_key (plugin, "battery.percentage", &(data.percentage));
+	ohm_plugin_conf_get_key (plugin, "acadapter.state", &(data.ac_state));
+
+	check_system_power_state (plugin);
+}
+
+/**
+ * plugin_conf_notify:
+ * @plugin: This class instance
+ *
+ * Notify the plugin that a key marked with ohm_plugin_conf_interested ()
+ * has it's value changed.
+ * An enumerated numeric id rather than the key is returned for processing speed.
+ */
+static void
+plugin_conf_notify (OhmPlugin *plugin, gint id, gint value)
+{
+	if (id == CONF_BATTERY_PERCENT_CHANGED) {
+		data.percentage = value;
+		check_system_power_state (plugin);
+	} else if (id == CONF_AC_STATE_CHANGED) {
+		data.ac_state = value;
+		check_system_power_state (plugin);
+	}
+}
+
+static OhmPluginInfo plugin_info = {
+	"OHM timeremaining",		/* description */
+	"0.0.1",			/* version */
+	"richard@hughsie.com",		/* author */
+	plugin_preload,			/* preload */
+	NULL,				/* unload */
+	plugin_coldplug,		/* coldplug */
+	plugin_conf_notify,		/* conf_notify */
+};
+
+OHM_INIT_PLUGIN (plugin_info);
diff --git a/plugins/glue/timeremaining/timeremaining b/plugins/glue/timeremaining/timeremaining
new file mode 100644
index 0000000..6b8a282
--- /dev/null
+++ b/plugins/glue/timeremaining/timeremaining
@@ -0,0 +1,2 @@
+# timeremaining preference values
+timeremaining.calculate_hysteresis 1 public