mirror of
https://gitlab.freedesktop.org/upower/upower.git
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0fd304c3f3
This allows session power managers to do different actions depending on whether the user is suspending or hibernating. This allows the session policy agent to poke other things (for instance, the screensaver) even if another process initiated the sleep. This is based on a patch from Phillip Susi <psusi@cfl.rr.com>, many thanks.
395 lines
13 KiB
XML
395 lines
13 KiB
XML
<!DOCTYPE node PUBLIC
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"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
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"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
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<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
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<interface name="org.freedesktop.UPower">
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<doc:doc>
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<doc:description>
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<doc:para>
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The UPower service is available via the system message
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bus. To access the service, use
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the <doc:tt>org.freedesktop.UPower</doc:tt> interface on
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the <doc:tt>/org/freedesktop/UPower</doc:tt> object on
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the D-Bus system bus service with the well-known
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name <doc:tt>org.freedesktop.UPower</doc:tt>.
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</doc:para>
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<doc:para>
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<doc:example language="shell" title="simple example">
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<doc:code>
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$ dbus-send --print-reply \
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--system \
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--dest=org.freedesktop.UPower \
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/org/freedesktop/UPower \
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org.freedesktop.UPower.EnumerateDevices
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method return sender=:1.386 -> dest=:1.451 reply_serial=2
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array [
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object path "/org/freedesktop/UPower/devices/line_power_AC"
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object path "/org/freedesktop/UPower/devices/battery_BAT0"
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]
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</doc:code>
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</doc:example>
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</doc:para>
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</doc:description>
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</doc:doc>
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<!-- ************************************************************ -->
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<method name="EnumerateDevices">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<arg name="devices" direction="out" type="ao">
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<doc:doc><doc:summary>An array of object paths for devices.</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Enumerate all power objects on the system.
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</doc:para>
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</doc:description>
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</doc:doc>
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</method>
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<!-- ************************************************************ -->
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<signal name="DeviceAdded">
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<arg name="device" type="o">
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<doc:doc><doc:summary>Object path of device that was added.</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Emitted when a device is added.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="DeviceRemoved">
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<arg name="device" type="o">
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<doc:doc><doc:summary>Object path of device that was removed.</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Emitted when a device is removed.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="DeviceChanged">
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<arg name="device" type="o">
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<doc:doc><doc:summary>Object path of device that was changed.</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Emitted when a device changed.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="Changed">
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<doc:doc>
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<doc:description>
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<doc:para>
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Emitted when one or more properties on the object changes.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="Sleeping">
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<doc:doc>
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<doc:description>
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<doc:para>
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This signal is sent when the session is about to be suspended or
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hibernated.
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</doc:para>
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<doc:para>
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This signal is DEPRECATED. Use NotifySleep() instead.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="NotifySleep">
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<doc:doc>
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<doc:description>
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<doc:para>
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This signal is sent when the session is about to be suspended or
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hibernated.
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Session and system programs have one second to do anything required
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before the sleep action is taken (such as sending out Avahi or
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Jabber messages).
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</doc:para>
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</doc:description>
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</doc:doc>
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<arg name="action" direction="out" type="s">
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<doc:doc>
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<doc:summary>
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The sleep action type, e.g. <doc:tt>suspend</doc:tt>,
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<doc:tt>hibernate</doc:tt> or <doc:tt>hybrid</doc:tt>.
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</doc:summary>
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</doc:doc>
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</arg>
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</signal>
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<!-- ************************************************************ -->
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<signal name="Resuming">
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<doc:doc>
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<doc:description>
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<doc:para>
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This signal is sent when the session has just returned from
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Suspend() or Hibernate().
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</doc:para>
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<doc:para>
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This signal is DEPRECATED. Use NotifyResume() instead.
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</doc:para>
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</doc:description>
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</doc:doc>
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</signal>
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<!-- ************************************************************ -->
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<signal name="NotifyResume">
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<doc:doc>
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<doc:description>
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<doc:para>
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This signal is sent when the session has just returned from
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Suspend() or Hibernate().
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Session and system programs can then do anything required (such as
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sending out Avahi or Jabber messages).
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</doc:para>
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</doc:description>
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</doc:doc>
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<arg name="action" direction="out" type="s">
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<doc:doc>
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<doc:summary>
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The sleep action type, e.g. <doc:tt>suspend</doc:tt>,
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<doc:tt>hibernate</doc:tt> or <doc:tt>hybrid</doc:tt>.
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</doc:summary>
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</doc:doc>
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</arg>
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</signal>
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<!-- ************************************************************ -->
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<method name="AboutToSleep">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<doc:doc>
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<doc:description>
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<doc:para>
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This method tells UPower that the Suspend() or Hibernate() method
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is about to be called.
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This allows UPower to emit the Suspending signal whilst
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session activities are happening that have to be done before the
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suspend process is started.
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</doc:para>
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<doc:para>
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This method would typically be called by the session power
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management daemon, before it locks the screen and waits for the
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screen to fade to black.
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The session power management component would then call Suspend() or
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Hibernate() when these syncronous tasks have completed.
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</doc:para>
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<doc:para>
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If this method is not called than nothing bad will happen and
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Suspend() or Hibernate() will block for the required second.
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</doc:para>
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</doc:description>
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</doc:doc>
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<arg name="action" direction="in" type="s">
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<doc:doc>
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<doc:summary>
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The sleep action type, e.g. <doc:tt>suspend</doc:tt> or
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<doc:tt>hibernate</doc:tt>.
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</doc:summary>
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</doc:doc>
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</arg>
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</method>
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<!-- ************************************************************ -->
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<method name="Suspend">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<doc:doc>
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<doc:description>
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<doc:para>
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Suspends the computer into a low power state.
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System state is not preserved if the power is lost.
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</doc:para>
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<doc:para>
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If AboutToRequestSleep() has not been called then UPower will send
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the Sleeping() signal and block for one second.
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</doc:para>
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<doc:para>
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If AboutToRequestSleep() has been called less than one second
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before this method is called then UPower will block for the
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remaining time to complete one second of delay.
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</doc:para>
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</doc:description>
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</doc:doc>
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</method>
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<!-- ************************************************************ -->
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<method name="SuspendAllowed">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<arg name="allowed" direction="out" type="b">
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<doc:doc><doc:summary>TRUE if allowed, otherwise FALSE</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Check if the caller has (or can get) the PolicyKit privilege to call
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<doc:ref type="method" to="Power.Suspend">Suspend</doc:ref>.
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</doc:para>
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</doc:description>
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</doc:doc>
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</method>
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<!-- ************************************************************ -->
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<method name="Hibernate">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<doc:doc>
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<doc:description>
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<doc:para>
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Hibernates the computer into a low power state.
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System state is preserved if the power is lost.
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</doc:para>
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<doc:para>
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If AboutToRequestSleep() has not been called then UPower will send
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the Sleeping() signal and block for one second.
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</doc:para>
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<doc:para>
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If AboutToRequestSleep() has been called less than one second
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before this method is called then UPower will block for the
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remaining time to complete one second of delay.
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</doc:para>
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</doc:description>
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</doc:doc>
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</method>
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<!-- ************************************************************ -->
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<method name="HibernateAllowed">
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<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
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<arg name="allowed" direction="out" type="b">
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<doc:doc><doc:summary>TRUE if allowed, otherwise FALSE</doc:summary></doc:doc>
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</arg>
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<doc:doc>
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<doc:description>
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<doc:para>
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Check if the caller has (or can get) the PolicyKit privilege to call
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<doc:ref type="method" to="Power.Hibernate">Hibernate</doc:ref>.
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</doc:para>
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</doc:description>
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</doc:doc>
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</method>
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<!-- ************************************************************ -->
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<property name="DaemonVersion" type="s" access="read">
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<doc:doc><doc:description><doc:para>
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Version of the running daemon, e.g. <doc:tt>002</doc:tt>.
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</doc:para></doc:description></doc:doc>
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</property>
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<property name="CanSuspend" type="b" access="read">
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<doc:doc><doc:description><doc:para>
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Whether the system is able to suspend.
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</doc:para></doc:description></doc:doc>
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</property>
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<property name="CanHibernate" type="b" access="read">
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<doc:doc><doc:description><doc:para>
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Whether the system is able to hibernate.
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</doc:para></doc:description></doc:doc>
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</property>
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<property name="OnBattery" type="b" access="read">
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<doc:doc><doc:description><doc:para>
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Indicates whether the system is running on battery power.
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This property is provided for convenience.
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</doc:para></doc:description></doc:doc>
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</property>
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<property name="OnLowBattery" type="b" access="read">
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<doc:doc><doc:description><doc:para>
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Indicates whether the system is running on battery power and if the battery is critically low.
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This property is provided for convenience.
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</doc:para></doc:description></doc:doc>
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</property>
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<property name="LidIsClosed" type="b" access="read">
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<doc:doc>
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<doc:description>
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<doc:para>
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Indicates if the laptop lid is closed where the display cannot be seen.
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</doc:para>
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</doc:description>
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</doc:doc>
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</property>
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<property name="LidIsPresent" type="b" access="read">
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<doc:doc>
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<doc:description>
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<doc:para>
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If the system has a lid device.
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</doc:para>
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</doc:description>
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</doc:doc>
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</property>
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<property name="LidForceSleep" type="b" access="read">
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<doc:doc>
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<doc:description>
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<doc:para>
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If the system really has to sleep when the lid is closed.
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Some laptops actually melt (!) if the lid is closed and the
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computer keeps running. We blacklist those, and do something
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sane for the other machines.
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</doc:para>
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<doc:para>
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This allows us to set the default session policy to not
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suspend on lid close if the laptop is docked, and be sure
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the machine is not going to melt.
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</doc:para>
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</doc:description>
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</doc:doc>
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</property>
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<property name="IsDocked" type="b" access="read">
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<doc:doc>
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<doc:description>
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<doc:para>
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If the system is currently docked.
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Note: the "is-docked" value is the result of a heuristic,
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which may involve testing the display output.
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</doc:para>
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</doc:description>
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</doc:doc>
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</property>
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</interface>
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</node>
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