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<?xml version="1.0" ?>
<node name="/Channel_Request"
xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
<tp:copyright>Copyright (C) 2008 Collabora Ltd.</tp:copyright>
<tp:copyright>Copyright (C) 2008 Nokia Corporation</tp:copyright>
<tp:license xmlns="http://www.w3.org/1999/xhtml">
<p>This library 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.</p>
<p>This library 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.</p>
<p>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.</p>
</tp:license>
<interface name="org.freedesktop.Telepathy.ChannelRequest.DRAFT"
tp:causes-havoc="experimental">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>A channel request is an object in the ChannelDispatcher representing
an ongoing request for some channels to be created or found. There
can be any number of ChannelRequest objects at the same time.</p>
<p>Its well-known bus name is the same as that of the ChannelDispatcher,
"org.freedesktop.Telepathy.ChannelDispatcher".</p>
<tp:rationale>
<p>See
<tp:dbus-ref namespace="org.freedesktop.Telepathy">ChannelDispatcher.DRAFT.CreateChannel</tp:dbus-ref>
for rationale for ChannelRequest being a separate object.</p>
</tp:rationale>
</tp:docstring>
<property name="UserActionTime" tp:name-for-bindings="User_Action_Time"
type="t" tp:type="Unix_Timestamp64" access="read">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>The time at which user action occurred, or 0 if this channel
request is for some reason not involving user action.</p>
<p>This corresponds to the _NET_WM_USER_TIME property in
<a href="http://standards.freedesktop.org/wm-spec/wm-spec-latest.html">EWMH</a>.</p>
<p>This property is set when the channel request is created,
and can never change.</p>
</tp:docstring>
</property>
<property name="Requests" tp:name-for-bindings="Requests" type="aa{sv}"
tp:type="Qualified_Property_Value_Map[]"
access="read">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>An array of dictionaries containing desirable properties for
the channel or channels to be created.</p>
<tp:rationale>
<p>This is an array so that we could add a CreateChannels method in
future without redefining the API of ChannelRequest.</p>
</tp:rationale>
<p>This property is set when the channel request is created,
and can never change.</p>
</tp:docstring>
</property>
<method name="Proceed" tp:name-for-bindings="Proceed">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>Proceed with the channel request.</p>
<tp:rationale>
<p>The client that created this object calls this method
when it has connected signal handlers for
<tp:member-ref>Succeeded</tp:member-ref> and
<tp:member-ref>Failed</tp:member-ref>.</p>
</tp:rationale>
<p>Clients other than the client which created the ChannelRequest
MUST NOT call this method.</p>
<p>This method SHOULD return immediately; on success, the request
might still fail, but this will be indicated asynchronously
by the <tp:member-ref>Failed</tp:member-ref> signal.</p>
<p>Proceed cannot fail, unless clients have got the life-cycle
of a ChannelRequest seriously wrong (e.g. a client calls this
method twice, or a client that did not create the ChannelRequest
calls this method). If it fails, clients SHOULD assume that the
whole ChannelRequest has become useless.</p>
</tp:docstring>
<tp:possible-errors>
<tp:error name="org.freedesktop.Telepathy.Errors.NotAvailable">
<tp:docstring>
This method has already been called, so it is no longer
available. Stop calling it.
</tp:docstring>
</tp:error>
</tp:possible-errors>
</method>
<method name="Cancel" tp:name-for-bindings="Cancel">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>Cancel the channel request. The precise effect depends on the
current progress of the request.</p>
<p>If the connection manager has not already been asked to create
a channel, then <tp:member-ref>Failed</tp:member-ref> is emitted
immediately, and the channel request is removed.</p>
<p>If the connection manager has already been asked to create a
channel but has not produced one yet (e.g. if <tp:dbus-ref
namespace="org.freedesktop.Telepathy">Connection.Interface.Requests.CreateChannel</tp:dbus-ref>
has been called, but has not yet returned), then the
ChannelDispatcher will remember that the request has been cancelled.
When the channel appears, it will be closed (if it was newly
created and can be closed), and will not be dispatched to a
handler.</p>
<p>If the connection manager has already returned a channel, but the
channel has not yet been dispatched to a handler
(e.g. if <tp:dbus-ref
namespace="org.freedesktop.Telepathy">Connection.Interface.Requests.CreateChannel</tp:dbus-ref>
has returned a channel, but the dispatch operation is waiting for
approvers) then the channel dispatcher will not dispatch that
channel to a handler. If the channel was newly created for this
request, the channel dispatcher will close it with Close; otherwise,
the channel dispatcher will ignore it. In either case,
<tp:member-ref>Failed</tp:member-ref> will be emitted when processing
has been completed.</p>
<p>If Failed is emitted in response to this method, the error SHOULD be
<code>org.freedesktop.Telepathy.Errors.Cancelled</code>.</p>
<p>If the channel has already been dispatched to a handler, then
it's too late to call this method, and the channel request will
no longer exist.</p>
</tp:docstring>
</method>
<signal name="Failed" tp:name-for-bindings="Failed">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>The channel request has failed. It is no longer present,
and further methods must not be called on it.</p>
</tp:docstring>
<arg name="Error" type="s" tp:type="DBus_Error_Name">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>The name of a D-Bus error. This can come from various sources,
including the error raised by CreateChannel, or an error generated
to represent failure to establish the Connection.</p>
</tp:docstring>
</arg>
<arg name="Message" type="s">
<tp:docstring>
If the first argument of the D-Bus error message was a string,
that string. Otherwise, an empty string.
</tp:docstring>
</arg>
</signal>
<signal name="Succeeded" tp:name-for-bindings="Succeeded">
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>The channel request has succeeded. It is no longer present,
and further methods must not be called on it.</p>
</tp:docstring>
</signal>
</interface>
</node>
<!-- vim:set sw=2 sts=2 et ft=xml: -->
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