2 * Copyright (C) 2011 Collabora Ltd.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 * Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
23 #include <glib/gi18n-lib.h>
25 #include <telepathy-glib/telepathy-glib.h>
27 #include <libnotify/notification.h>
29 #include <libempathy/empathy-utils.h>
31 #include <libempathy-gtk/empathy-images.h>
32 #include <libempathy-gtk/empathy-notify-manager.h>
34 #include <extensions/extensions.h>
36 #include "empathy-call-observer.h"
38 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
39 #include <libempathy/empathy-debug.h>
41 struct _EmpathyCallObserverPriv {
42 EmpathyNotifyManager *notify_mgr;
44 TpBaseClient *observer;
46 /* Ongoing calls, as reffed TpChannels */
50 /* The Call Observer looks at incoming and outgoing calls, and
51 * autorejects incoming ones if there are ongoing ones, since
52 * we don't cope with simultaneous calls quite well yet.
53 * At some point, we should ask the user if he wants to put the
54 * current call on hold and answer the incoming one instead,
55 * see https://bugzilla.gnome.org/show_bug.cgi?id=623348
57 G_DEFINE_TYPE (EmpathyCallObserver, empathy_call_observer, G_TYPE_OBJECT);
59 static EmpathyCallObserver * observer_singleton = NULL;
62 on_channel_closed (TpProxy *proxy,
66 EmpathyCallObserver *self)
68 DEBUG ("channel %s has been invalidated; stop observing it",
69 tp_proxy_get_object_path (proxy));
71 self->priv->channels = g_list_remove (self->priv->channels, proxy);
72 g_object_unref (proxy);
77 EmpathyCallObserver *self;
78 TpObserveChannelsContext *context;
79 TpChannel *main_channel;
82 static AutoRejectCtx *
83 auto_reject_ctx_new (EmpathyCallObserver *self,
84 TpObserveChannelsContext *context,
85 TpChannel *main_channel)
87 AutoRejectCtx *ctx = g_slice_new (AutoRejectCtx);
89 ctx->self = g_object_ref (self);
90 ctx->context = g_object_ref (context);
91 ctx->main_channel = g_object_ref (main_channel);
96 auto_reject_ctx_free (AutoRejectCtx *ctx)
98 g_object_unref (ctx->self);
99 g_object_unref (ctx->context);
100 g_object_unref (ctx->main_channel);
101 g_slice_free (AutoRejectCtx, ctx);
105 display_reject_notification (EmpathyCallObserver *self,
109 NotifyNotification *notification;
110 gchar *summary, *body;
111 EmpathyContact *emp_contact;
114 contact = tp_channel_get_target_contact (channel);
116 summary = g_strdup_printf (_("Missed call from %s"),
117 tp_contact_get_alias (contact));
118 body = g_strdup_printf (
119 _("%s just tried to call you, but you were in another call."),
120 tp_contact_get_alias (contact));
122 notification = notify_notification_new (summary, body, NULL);
124 emp_contact = empathy_contact_dup_from_tp_contact (contact);
125 pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
126 self->priv->notify_mgr, emp_contact, EMPATHY_IMAGE_AVATAR_DEFAULT);
130 notify_notification_set_icon_from_pixbuf (notification, pixbuf);
131 g_object_unref (pixbuf);
134 notify_notification_show (notification, NULL);
136 g_object_unref (notification);
139 g_object_unref (emp_contact);
143 find_main_channel (GList *channels)
147 for (l = channels; l != NULL; l = g_list_next (l))
149 TpChannel *channel = l->data;
152 if (tp_proxy_get_invalidated (channel) != NULL)
155 channel_type = tp_channel_get_channel_type_id (channel);
157 if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
158 channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_CALL)
166 has_ongoing_calls (EmpathyCallObserver *self)
170 for (l = self->priv->channels; l != NULL; l = l->next)
172 TpChannel *channel = TP_CHANNEL (l->data);
173 GQuark type = tp_channel_get_channel_type_id (channel);
175 /* Check that Call channels are not ended */
176 if (type == TP_IFACE_QUARK_CHANNEL_TYPE_CALL &&
177 tp_call_channel_get_state (TP_CALL_CHANNEL (channel),
178 NULL, NULL, NULL) == TP_CALL_STATE_ENDED)
188 claim_and_leave_cb (GObject *source,
189 GAsyncResult *result,
192 AutoRejectCtx *ctx = user_data;
193 GError *error = NULL;
195 if (!tp_channel_dispatch_operation_leave_channels_finish (
196 TP_CHANNEL_DISPATCH_OPERATION (source), result, &error))
198 DEBUG ("Failed to reject call: %s", error->message);
200 g_error_free (error);
204 display_reject_notification (ctx->self, ctx->main_channel);
207 auto_reject_ctx_free (ctx);
211 observe_channels (TpSimpleObserver *observer,
213 TpConnection *connection,
215 TpChannelDispatchOperation *dispatch_operation,
217 TpObserveChannelsContext *context,
220 EmpathyCallObserver *self = EMPATHY_CALL_OBSERVER (user_data);
224 channel = find_main_channel (channels);
227 GError err = { TP_ERROR, TP_ERROR_INVALID_ARGUMENT,
228 "Unknown channel type" };
230 DEBUG ("Didn't find any Call or StreamedMedia channel; ignoring");
232 tp_observe_channels_context_fail (context, &err);
236 /* Autoreject if there are other ongoing calls */
237 if (has_ongoing_calls (self))
239 AutoRejectCtx *ctx = auto_reject_ctx_new (self, context, channel);
241 DEBUG ("Autorejecting incoming call since there are others in "
242 "progress: %s", tp_proxy_get_object_path (channel));
244 tp_channel_dispatch_operation_leave_channels_async (dispatch_operation,
245 TP_CHANNEL_GROUP_CHANGE_REASON_BUSY, "Already in a call",
246 claim_and_leave_cb, ctx);
248 tp_observe_channels_context_accept (context);
252 if ((error = tp_proxy_get_invalidated (channel)) != NULL)
254 DEBUG ("The channel has already been invalidated: %s",
257 tp_observe_channels_context_fail (context, error);
261 DEBUG ("Observing channel %s", tp_proxy_get_object_path (channel));
263 tp_g_signal_connect_object (channel, "invalidated",
264 G_CALLBACK (on_channel_closed), self, 0);
265 self->priv->channels = g_list_prepend (self->priv->channels,
266 g_object_ref (channel));
268 tp_observe_channels_context_accept (context);
272 observer_constructor (GType type,
274 GObjectConstructParam *props)
278 if (observer_singleton)
280 retval = g_object_ref (observer_singleton);
284 retval = G_OBJECT_CLASS (empathy_call_observer_parent_class)->constructor
285 (type, n_props, props);
287 observer_singleton = EMPATHY_CALL_OBSERVER (retval);
288 g_object_add_weak_pointer (retval, (gpointer) &observer_singleton);
295 observer_dispose (GObject *object)
297 EmpathyCallObserver *self = EMPATHY_CALL_OBSERVER (object);
299 tp_clear_object (&self->priv->notify_mgr);
300 tp_clear_object (&self->priv->observer);
301 g_list_free_full (self->priv->channels, g_object_unref);
302 self->priv->channels = NULL;
306 empathy_call_observer_class_init (EmpathyCallObserverClass *klass)
308 GObjectClass *object_class = G_OBJECT_CLASS (klass);
310 object_class->dispose = observer_dispose;
311 object_class->constructor = observer_constructor;
313 g_type_class_add_private (object_class, sizeof (EmpathyCallObserverPriv));
317 empathy_call_observer_init (EmpathyCallObserver *self)
319 EmpathyCallObserverPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
320 EMPATHY_TYPE_CALL_OBSERVER, EmpathyCallObserverPriv);
321 TpAccountManager *am;
322 GError *error = NULL;
326 self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
328 am = tp_account_manager_dup ();
330 self->priv->observer = tp_simple_observer_new_with_am (am, TRUE,
331 "Empathy.CallObserver", FALSE,
332 observe_channels, self, NULL);
334 /* Observe Call and StreamedMedia channels */
335 tp_base_client_take_observer_filter (self->priv->observer,
337 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
338 TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
339 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
340 TP_HANDLE_TYPE_CONTACT,
342 tp_base_client_take_observer_filter (self->priv->observer,
344 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
345 TP_IFACE_CHANNEL_TYPE_CALL,
346 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
347 TP_HANDLE_TYPE_CONTACT,
350 tp_base_client_set_observer_delay_approvers (self->priv->observer, TRUE);
352 if (!tp_base_client_register (self->priv->observer, &error))
354 DEBUG ("Failed to register observer: %s", error->message);
355 g_error_free (error);
361 EmpathyCallObserver *
362 empathy_call_observer_dup_singleton (void)
364 return g_object_new (EMPATHY_TYPE_CALL_OBSERVER, NULL);