src/empathy-notifications-approver.c

   1 /* * Copyright (C) 2009 Collabora Ltd.
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16  *
  17  * Authors: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
  18  */
  19
  20 #include <config.h>
  21 #include <string.h>
  22
  23 #include <glib/gi18n.h>
  24 #include <libnotify/notification.h>
  25 #include <libnotify/notify.h>
  26 #include <telepathy-glib/telepathy-glib.h>
  27
  28 #include <libempathy/empathy-contact-manager.h>
  29
  30 #include <libempathy-gtk/empathy-notify-manager.h>
  31
  32 #include "empathy-event-manager.h"
  33
  34 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  35 #include <libempathy/empathy-debug.h>
  36
  37 #include "empathy-notifications-approver.h"
  38
  39 struct _EmpathyNotificationsApproverPrivate
  40 {
  41   EmpathyEventManager *event_mgr;
  42   EmpathyNotifyManager *notify_mgr;
  43
  44   NotifyNotification *notification;
  45   EmpathyEvent *event;
  46 };
  47
  48 G_DEFINE_TYPE (EmpathyNotificationsApprover, empathy_notifications_approver,
  49     G_TYPE_OBJECT);
  50
  51 static EmpathyNotificationsApprover *notifications_approver = NULL;
  52
  53 static GObject *
  54 notifications_approver_constructor (GType type,
  55     guint n_construct_params,
  56     GObjectConstructParam *construct_params)
  57 {
  58   GObject *retval;
  59
  60   if (notifications_approver != NULL)
  61     return g_object_ref (notifications_approver);
  62
  63   retval = G_OBJECT_CLASS (empathy_notifications_approver_parent_class)->
  64       constructor (type, n_construct_params, construct_params);
  65
  66   notifications_approver = EMPATHY_NOTIFICATIONS_APPROVER (retval);
  67   g_object_add_weak_pointer (retval, (gpointer) &notifications_approver);
  68
  69   return retval;
  70 }
  71
  72 static void
  73 notifications_approver_dispose (GObject *object)
  74 {
  75   EmpathyNotificationsApprover *self = (EmpathyNotificationsApprover *) object;
  76
  77   tp_clear_object (&self->priv->event_mgr);
  78   tp_clear_object (&self->priv->notify_mgr);
  79
  80   if (self->priv->notification != NULL)
  81     {
  82       notify_notification_close (self->priv->notification, NULL);
  83       tp_clear_object (&self->priv->notification);
  84     }
  85
  86   G_OBJECT_CLASS (empathy_notifications_approver_parent_class)->dispose (
  87       object);
  88 }
  89
  90 static void
  91 empathy_notifications_approver_class_init (
  92     EmpathyNotificationsApproverClass *klass)
  93 {
  94   GObjectClass *object_class = G_OBJECT_CLASS (klass);
  95
  96   object_class->dispose = notifications_approver_dispose;
  97   object_class->constructor = notifications_approver_constructor;
  98
  99   g_type_class_add_private (object_class,
 100       sizeof (EmpathyNotificationsApproverPrivate));
 101 }
 102
 103 static void
 104 notification_closed_cb (NotifyNotification *notification,
 105     EmpathyNotificationsApprover *self)
 106 {
 107   g_object_unref (notification);
 108
 109   if (self->priv->notification == notification)
 110     self->priv->notification = NULL;
 111 }
 112
 113 static void
 114 notification_close_helper (EmpathyNotificationsApprover *self)
 115 {
 116   if (self->priv->notification != NULL)
 117     {
 118       notify_notification_close (self->priv->notification, NULL);
 119       self->priv->notification = NULL;
 120     }
 121 }
 122
 123 static void
 124 notification_approve_cb (NotifyNotification *notification,
 125     gchar *action,
 126     EmpathyNotificationsApprover *self)
 127 {
 128   if (self->priv->event != NULL)
 129     empathy_event_approve (self->priv->event);
 130 }
 131
 132 static void
 133 notification_decline_cb (NotifyNotification *notification,
 134     gchar *action,
 135     EmpathyNotificationsApprover  *self)
 136 {
 137   if (self->priv->event != NULL)
 138     empathy_event_decline (self->priv->event);
 139 }
 140
 141 static void
 142 notification_decline_subscription_cb (NotifyNotification *notification,
 143     gchar *action,
 144     EmpathyNotificationsApprover *self)
 145 {
 146   EmpathyContactManager *manager;
 147
 148   if (self->priv->event == NULL)
 149     return;
 150
 151   manager = empathy_contact_manager_dup_singleton ();
 152   empathy_contact_list_remove (EMPATHY_CONTACT_LIST (manager),
 153       self->priv->event->contact, "");
 154
 155   empathy_event_remove (self->priv->event);
 156
 157   g_object_unref (manager);
 158 }
 159
 160 static void
 161 notification_accept_subscription_cb (NotifyNotification *notification,
 162     gchar *action,
 163     EmpathyNotificationsApprover *self)
 164 {
 165   EmpathyContactManager *manager;
 166
 167   if (self->priv->event == NULL)
 168     return;
 169
 170   manager = empathy_contact_manager_dup_singleton ();
 171   empathy_contact_list_add (EMPATHY_CONTACT_LIST (manager),
 172       self->priv->event->contact, "");
 173
 174   empathy_event_remove (self->priv->event);
 175
 176   g_object_unref (manager);
 177 }
 178
 179 static void
 180 add_notification_actions (EmpathyNotificationsApprover *self,
 181     NotifyNotification *notification)
 182 {
 183   switch (self->priv->event->type) {
 184     case EMPATHY_EVENT_TYPE_CHAT:
 185       notify_notification_add_action (notification,
 186         "respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
 187           self, NULL);
 188       break;
 189
 190     case EMPATHY_EVENT_TYPE_VOIP:
 191       notify_notification_add_action (notification,
 192         "reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
 193           self, NULL);
 194
 195       notify_notification_add_action (notification,
 196         "answer", _("Answer"), (NotifyActionCallback) notification_approve_cb,
 197           self, NULL);
 198       break;
 199
 200     case EMPATHY_EVENT_TYPE_TRANSFER:
 201     case EMPATHY_EVENT_TYPE_INVITATION:
 202       notify_notification_add_action (notification,
 203         "decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
 204           self, NULL);
 205
 206       notify_notification_add_action (notification,
 207         "accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
 208           self, NULL);
 209       break;
 210
 211     case EMPATHY_EVENT_TYPE_SUBSCRIPTION:
 212       notify_notification_add_action (notification,
 213         "decline", _("Decline"),
 214           (NotifyActionCallback) notification_decline_subscription_cb,
 215           self, NULL);
 216
 217       notify_notification_add_action (notification,
 218         "accept", _("Accept"),
 219           (NotifyActionCallback) notification_accept_subscription_cb,
 220           self, NULL);
 221
 222     default:
 223       break;
 224   }
 225 }
 226
 227 static void
 228 update_notification (EmpathyNotificationsApprover *self)
 229 {
 230   GdkPixbuf *pixbuf = NULL;
 231   gchar *message_esc = NULL;
 232   gboolean has_x_canonical_append;
 233   NotifyNotification *notification = self->priv->notification;
 234
 235   if (!empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
 236     {
 237       /* always close the notification if this happens */
 238       notification_close_helper (self);
 239       return;
 240     }
 241
 242   if (self->priv->event == NULL)
 243     {
 244       notification_close_helper (self);
 245       return;
 246      }
 247
 248   if (self->priv->event->message != NULL)
 249     message_esc = g_markup_escape_text (self->priv->event->message, -1);
 250
 251   has_x_canonical_append = empathy_notify_manager_has_capability (
 252       self->priv->notify_mgr, EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);
 253
 254   if (notification != NULL && ! has_x_canonical_append)
 255     {
 256       /* if the notification server does NOT supports x-canonical-append, it is
 257        * better to not use notify_notification_update to avoid
 258        * overwriting the current notification message */
 259       notify_notification_update (notification,
 260           self->priv->event->header, message_esc, NULL);
 261     }
 262   else
 263     {
 264       /* if the notification server supports x-canonical-append,
 265        * the hint will be added, so that the message from the
 266        * just created notification will be automatically appended
 267        * to an existing notification with the same title.
 268        * In this way the previous message will not be lost: the new
 269        * message will appear below it, in the same notification */
 270       notification = notify_notification_new (self->priv->event->header,
 271            message_esc, NULL);
 272
 273       if (self->priv->notification == NULL)
 274         self->priv->notification = notification;
 275
 276       notify_notification_set_timeout (notification,
 277           NOTIFY_EXPIRES_DEFAULT);
 278
 279       if (has_x_canonical_append)
 280         notify_notification_set_hint_string (notification,
 281             EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
 282
 283       if (empathy_notify_manager_has_capability (self->priv->notify_mgr,
 284             EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
 285         add_notification_actions (self, notification);
 286
 287       g_signal_connect (notification, "closed",
 288           G_CALLBACK (notification_closed_cb), self);
 289     }
 290
 291   pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
 292       self->priv->notify_mgr, self->priv->event->contact,
 293       self->priv->event->icon_name);
 294
 295   if (pixbuf != NULL)
 296     {
 297       notify_notification_set_icon_from_pixbuf (notification, pixbuf);
 298       g_object_unref (pixbuf);
 299     }
 300
 301   notify_notification_show (notification, NULL);
 302
 303   g_free (message_esc);
 304 }
 305
 306 static void
 307 event_added_cb (EmpathyEventManager *manager,
 308     EmpathyEvent *event,
 309     EmpathyNotificationsApprover *self)
 310 {
 311   if (self->priv->event != NULL)
 312     return;
 313
 314   self->priv->event = event;
 315   update_notification (self);
 316 }
 317
 318 static void
 319 event_removed_cb (EmpathyEventManager *manager,
 320     EmpathyEvent *event,
 321     EmpathyNotificationsApprover *self)
 322 {
 323   if (event != self->priv->event)
 324     return;
 325
 326   self->priv->event = empathy_event_manager_get_top_event (
 327       self->priv->event_mgr);
 328
 329   update_notification (self);
 330 }
 331
 332 static void
 333 event_updated_cb (EmpathyEventManager *manager,
 334     EmpathyEvent *event,
 335     EmpathyNotificationsApprover *self)
 336 {
 337   if (event != self->priv->event)
 338     return;
 339
 340   if (empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
 341     update_notification (self);
 342 }
 343
 344 static void
 345 empathy_notifications_approver_init (EmpathyNotificationsApprover *self)
 346 {
 347   EmpathyNotificationsApproverPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
 348     EMPATHY_TYPE_NOTIFICATIONS_APPROVER, EmpathyNotificationsApproverPrivate);
 349
 350   self->priv = priv;
 351
 352   self->priv->event_mgr = empathy_event_manager_dup_singleton ();
 353   self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
 354
 355   tp_g_signal_connect_object (self->priv->event_mgr, "event-added",
 356       G_CALLBACK (event_added_cb), self, 0);
 357   tp_g_signal_connect_object (priv->event_mgr, "event-removed",
 358       G_CALLBACK (event_removed_cb), self, 0);
 359   tp_g_signal_connect_object (priv->event_mgr, "event-updated",
 360       G_CALLBACK (event_updated_cb), self, 0);
 361 }
 362
 363 EmpathyNotificationsApprover *
 364 empathy_notifications_approver_dup_singleton (void)
 365 {
 366   return g_object_new (EMPATHY_TYPE_NOTIFICATIONS_APPROVER, NULL);
 367 }