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>
22 #include "empathy-call-observer.h"
24 #include <glib/gi18n-lib.h>
26 #include "empathy-images.h"
27 #include "empathy-notify-manager.h"
29 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
30 #include "empathy-debug.h"
32 struct _EmpathyCallObserverPriv {
33 EmpathyNotifyManager *notify_mgr;
35 TpBaseClient *observer;
37 /* Ongoing calls, as reffed TpChannels */
41 /* The Call Observer looks at incoming and outgoing calls, and
42 * autorejects incoming ones if there are ongoing ones, since
43 * we don't cope with simultaneous calls quite well yet.
44 * At some point, we should ask the user if he wants to put the
45 * current call on hold and answer the incoming one instead,
46 * see https://bugzilla.gnome.org/show_bug.cgi?id=623348
48 G_DEFINE_TYPE (EmpathyCallObserver, empathy_call_observer, G_TYPE_OBJECT);
50 static EmpathyCallObserver * observer_singleton = NULL;
53 on_channel_closed (TpProxy *proxy,
57 EmpathyCallObserver *self)
59 DEBUG ("channel %s has been invalidated; stop observing it",
60 tp_proxy_get_object_path (proxy));
62 self->priv->channels = g_list_remove (self->priv->channels, proxy);
63 g_object_unref (proxy);
68 EmpathyCallObserver *self;
69 TpObserveChannelsContext *context;
70 TpChannel *main_channel;
73 static AutoRejectCtx *
74 auto_reject_ctx_new (EmpathyCallObserver *self,
75 TpObserveChannelsContext *context,
76 TpChannel *main_channel)
78 AutoRejectCtx *ctx = g_slice_new (AutoRejectCtx);
80 ctx->self = g_object_ref (self);
81 ctx->context = g_object_ref (context);
82 ctx->main_channel = g_object_ref (main_channel);
87 auto_reject_ctx_free (AutoRejectCtx *ctx)
89 g_object_unref (ctx->self);
90 g_object_unref (ctx->context);
91 g_object_unref (ctx->main_channel);
92 g_slice_free (AutoRejectCtx, ctx);
96 display_reject_notification (EmpathyCallObserver *self,
100 NotifyNotification *notification;
101 gchar *summary, *body;
102 EmpathyContact *emp_contact;
105 contact = tp_channel_get_target_contact (channel);
107 summary = g_strdup_printf (_("Missed call from %s"),
108 tp_contact_get_alias (contact));
109 body = g_strdup_printf (
110 _("%s just tried to call you, but you were in another call."),
111 tp_contact_get_alias (contact));
113 notification = empathy_notify_manager_create_notification (summary, body,
116 emp_contact = empathy_contact_dup_from_tp_contact (contact);
117 pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
118 self->priv->notify_mgr, emp_contact, EMPATHY_IMAGE_AVATAR_DEFAULT);
122 notify_notification_set_icon_from_pixbuf (notification, pixbuf);
123 g_object_unref (pixbuf);
126 notify_notification_show (notification, NULL);
128 g_object_unref (notification);
131 g_object_unref (emp_contact);
135 find_main_channel (GList *channels)
139 for (l = channels; l != NULL; l = g_list_next (l))
141 TpChannel *channel = l->data;
144 if (tp_proxy_get_invalidated (channel) != NULL)
147 channel_type = tp_channel_get_channel_type_id (channel);
149 if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
150 channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_CALL)
158 has_ongoing_calls (EmpathyCallObserver *self)
162 for (l = self->priv->channels; l != NULL; l = l->next)
164 TpChannel *channel = TP_CHANNEL (l->data);
165 GQuark type = tp_channel_get_channel_type_id (channel);
167 /* Check that Call channels are not ended */
168 if (type == TP_IFACE_QUARK_CHANNEL_TYPE_CALL &&
169 tp_call_channel_get_state (TP_CALL_CHANNEL (channel),
170 NULL, NULL, NULL) == TP_CALL_STATE_ENDED)
180 claim_and_leave_cb (GObject *source,
181 GAsyncResult *result,
184 AutoRejectCtx *ctx = user_data;
185 GError *error = NULL;
187 if (!tp_channel_dispatch_operation_leave_channels_finish (
188 TP_CHANNEL_DISPATCH_OPERATION (source), result, &error))
190 DEBUG ("Failed to reject call: %s", error->message);
192 g_error_free (error);
196 display_reject_notification (ctx->self, ctx->main_channel);
199 auto_reject_ctx_free (ctx);
203 observe_channels (TpSimpleObserver *observer,
205 TpConnection *connection,
207 TpChannelDispatchOperation *dispatch_operation,
209 TpObserveChannelsContext *context,
212 EmpathyCallObserver *self = EMPATHY_CALL_OBSERVER (user_data);
216 channel = find_main_channel (channels);
219 GError err = { TP_ERROR, TP_ERROR_INVALID_ARGUMENT,
220 "Unknown channel type" };
222 DEBUG ("Didn't find any Call or StreamedMedia channel; ignoring");
224 tp_observe_channels_context_fail (context, &err);
228 /* Autoreject if there are other ongoing calls */
229 if (has_ongoing_calls (self))
231 AutoRejectCtx *ctx = auto_reject_ctx_new (self, context, channel);
233 DEBUG ("Autorejecting incoming call since there are others in "
234 "progress: %s", tp_proxy_get_object_path (channel));
236 tp_channel_dispatch_operation_leave_channels_async (dispatch_operation,
237 TP_CHANNEL_GROUP_CHANGE_REASON_BUSY, "Already in a call",
238 claim_and_leave_cb, ctx);
240 tp_observe_channels_context_accept (context);
244 if ((error = tp_proxy_get_invalidated (channel)) != NULL)
246 DEBUG ("The channel has already been invalidated: %s",
249 tp_observe_channels_context_fail (context, error);
253 DEBUG ("Observing channel %s", tp_proxy_get_object_path (channel));
255 tp_g_signal_connect_object (channel, "invalidated",
256 G_CALLBACK (on_channel_closed), self, 0);
257 self->priv->channels = g_list_prepend (self->priv->channels,
258 g_object_ref (channel));
260 tp_observe_channels_context_accept (context);
264 observer_constructor (GType type,
266 GObjectConstructParam *props)
270 if (observer_singleton)
272 retval = g_object_ref (observer_singleton);
276 retval = G_OBJECT_CLASS (empathy_call_observer_parent_class)->constructor
277 (type, n_props, props);
279 observer_singleton = EMPATHY_CALL_OBSERVER (retval);
280 g_object_add_weak_pointer (retval, (gpointer) &observer_singleton);
287 observer_dispose (GObject *object)
289 EmpathyCallObserver *self = EMPATHY_CALL_OBSERVER (object);
291 tp_clear_object (&self->priv->notify_mgr);
292 tp_clear_object (&self->priv->observer);
293 g_list_free_full (self->priv->channels, g_object_unref);
294 self->priv->channels = NULL;
298 empathy_call_observer_class_init (EmpathyCallObserverClass *klass)
300 GObjectClass *object_class = G_OBJECT_CLASS (klass);
302 object_class->dispose = observer_dispose;
303 object_class->constructor = observer_constructor;
305 g_type_class_add_private (object_class, sizeof (EmpathyCallObserverPriv));
309 empathy_call_observer_init (EmpathyCallObserver *self)
311 EmpathyCallObserverPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
312 EMPATHY_TYPE_CALL_OBSERVER, EmpathyCallObserverPriv);
313 TpAccountManager *am;
314 GError *error = NULL;
318 self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
320 am = tp_account_manager_dup ();
322 self->priv->observer = tp_simple_observer_new_with_am (am, TRUE,
323 "Empathy.CallObserver", FALSE,
324 observe_channels, self, NULL);
326 /* Observe Call and StreamedMedia channels */
327 tp_base_client_take_observer_filter (self->priv->observer,
329 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
330 TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
331 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
332 TP_HANDLE_TYPE_CONTACT,
334 tp_base_client_take_observer_filter (self->priv->observer,
336 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
337 TP_IFACE_CHANNEL_TYPE_CALL,
338 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
339 TP_HANDLE_TYPE_CONTACT,
342 tp_base_client_set_observer_delay_approvers (self->priv->observer, TRUE);
344 if (!tp_base_client_register (self->priv->observer, &error))
346 DEBUG ("Failed to register observer: %s", error->message);
347 g_error_free (error);
353 EmpathyCallObserver *
354 empathy_call_observer_dup_singleton (void)
356 return g_object_new (EMPATHY_TYPE_CALL_OBSERVER, NULL);