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<?xml version="1.0" ?>
<node name="/Connection_Interface_Sidecars1"
xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
<tp:copyright>Copyright © 2009-2013 Collabora Limited</tp:copyright>
<tp:copyright>Copyright © 2009 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="im.telepathy.v1.Connection.Interface.Sidecars1">
<tp:requires interface="im.telepathy.v1.Connection"/>
<tp:added version="0.27.3"/>
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>A <a href="http://en.wikipedia.org/wiki/Sidecar">sidecar</a>
is an object with a particular interface which provides
additional connection-specific functionality. This interface
serves as a way to ensure these sidecars.</p>
</tp:docstring>
<method name="EnsureSidecar" tp:name-for-bindings="Ensure_Sidecar">
<tp:added version="0.27.3">(as stable API)</tp:added>
<arg direction="in" name="Main_Interface" type="s"
tp:type="DBus_Interface">
<tp:docstring>
The "primary" interface implemented by an object attached
to a connection. For example, a Gabble plugin implementing
fine-grained control of XEP-0016 privacy lists might expose an object
implementing <tt>com.example.PrivacyLists</tt>.
</tp:docstring>
</arg>
<arg direction="out" name="Path" type="o">
<tp:docstring>The object path of the sidecar, exported by the same bus
name as the Connection to which it is attached.</tp:docstring>
</arg>
<arg direction="out" name="Properties" type="a{sv}"
tp:type="Qualified_Property_Value_Map">
<tp:docstring>Immutable properties of the sidecar.</tp:docstring>
</arg>
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>Request an object with a particular interface providing additional
connection-specific functionality, together with its immutable
properties. These will often be implemented by plug-ins to the
connection managers; for example, support for an XMPP XEP for which
no generic Telepathy interface exists might be implemented by a
Gabble plugin exposing a sidecar with a particular interface.</p>
<p>This method may be called at any point during the lifetime of a
connection, even before its <tp:type>Connection_Status</tp:type>
changes to Connected. It MAY take a long time to
return—perhaps it needs to wait for a connection to be established
and for all the services supported by the server to be discovered
before determining whether necessary server-side support is
available—so callers SHOULD override the default method timeout (25
seconds) with a much higher value (perhaps even MAX_INT32, meaning
“no timeout” in recent versions of libdbus).</p>
<tp:rationale>
<p>There is an implicit assumption that any connection
manager plugin will only want to export one “primary” object per
feature it implements, since there is a one-to-one mapping between
interface and object. This is reasonable since Sidecars are
(intended to be) analogous to extra interfaces on the connection,
providing once-per-connection shared functionality; it also makes
client code straightforward (look up the interface you care about
in a dictionary, build a proxy object from the value). More
“plural” plugins are likely to want to implement new types of
<tp:dbus-ref
namespace="im.telepathy.v1">Channel</tp:dbus-ref>
instead.</p>
</tp:rationale>
</tp:docstring>
<tp:error name="im.telepathy.v1.Error.NotImplemented">
<tp:docstring>
The requested sidecar is not implemented by this connection manager,
or a necessary server-side component does not exist.
</tp:docstring>
</tp:error>
<tp:error name="im.telepathy.v1.Error.ServiceBusy">
<tp:docstring>
A server-side component needed by the requested sidecar reported it
is currently too busy, or did not respond for some
implementation-defined time. The caller may wish to try again later.
</tp:docstring>
</tp:error>
<tp:error name="im.telepathy.v1.Error.Cancelled">
<tp:docstring>
The connection was disconnected while the sidecar was being set up.
</tp:docstring>
</tp:error>
</method>
</interface>
</node>
<!-- vim:set sw=2 sts=2 et ft=xml: -->
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