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/*
* Copyright (C) 2010 Collabora Ltd.
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Philip Withnall <philip.withnall@collabora.co.uk>
*/
using GLib;
using Gee;
using TelepathyGLib;
using Folks;
private struct AccountFavourites
{
ObjectPath account_path;
string[] ids;
}
[DBus (name = "org.freedesktop.Telepathy.Logger.DRAFT")]
private interface LoggerIface : Object
{
public abstract async AccountFavourites[] get_favourite_contacts ()
throws DBus.Error;
public abstract async void add_favourite_contact (
ObjectPath account_path, string id) throws DBus.Error;
public abstract async void remove_favourite_contact (
ObjectPath account_path, string id) throws DBus.Error;
public abstract signal void favourite_contacts_changed (
ObjectPath account_path, string[] added, string[] removed);
}
internal class Logger : GLib.Object
{
private static LoggerIface _logger;
private string _account_path;
public signal void invalidated ();
public signal void favourite_contacts_changed (string[] added,
string[] removed);
public Logger (string account_path) throws DBus.Error
{
if (this._logger == null)
{
/* Create a logger proxy for favourites support */
/* FIXME: This should be ported to the Vala GDBus stuff and made
* async, but that depends on
* https://bugzilla.gnome.org/show_bug.cgi?id=622611 being fixed.
* FIXME: If this is made async, race conditions may appear in
* TpfPersonaStore, which will need to be prevented. e.g.
* change_is_favourite() may get called before logger initialisation
* is complete; favourites-change requests should be queued. */
/* FIXME: Before being ported to use GDBus, this should use
* dbus_conn.get_object_for_name_owner() so that it behaves better if
* the logger service disappears. This is, however, blocked by:
* https://bugzilla.gnome.org/show_bug.cgi?id=623198 */
var dbus_conn = DBus.Bus.get (DBus.BusType.SESSION);
this._logger = dbus_conn.get_object (
"org.freedesktop.Telepathy.Logger",
"/org/freedesktop/Telepathy/Logger",
"org.freedesktop.Telepathy.Logger.DRAFT") as LoggerIface;
/* Failure? */
if (this._logger == null)
{
this.invalidated ();
return retval;
}
this._logger.destroy.connect (() =>
{
/* We've lost the connection to the logger service, so invalidate
* this logger proxy (and all the others too). */
this._logger = null;
this.invalidated ();
});
}
this._account_path = account_path;
this._logger.favourite_contacts_changed.connect ((ap, a, r) =>
{
if (ap != this._account_path)
return;
this.favourite_contacts_changed (a, r);
});
}
public async string[] get_favourite_contacts () throws DBus.Error
{
/* Invalidated */
if (this._logger == null)
return {};
AccountFavourites[] favs = yield this._logger.get_favourite_contacts ();
foreach (AccountFavourites account in favs)
{
/* We only want the favourites from this account */
if (account.account_path == this._account_path)
return account.ids;
}
return {};
}
public async void add_favourite_contact (string id) throws DBus.Error
{
/* Invalidated */
if (this._logger == null)
return;
yield this._logger.add_favourite_contact (
new ObjectPath (this._account_path), id);
}
public async void remove_favourite_contact (string id) throws DBus.Error
{
/* Invalidated */
if (this._logger == null)
return;
yield this._logger.remove_favourite_contact (
new ObjectPath (this._account_path), id);
}
}
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