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   if (self->priv->notification == notification)
 108     tp_clear_object (&self->priv->notification);
 109 }
 110
 111 static void
 112 notification_close_helper (EmpathyNotificationsApprover *self)
 113 {
 114   if (self->priv->notification != NULL)
 115     {
 116       notify_notification_close (self->priv->notification, NULL);
 117       tp_clear_object (&self->priv->notification);
 118     }
 119 }
 120
 121 static void
 122 notification_approve_cb (NotifyNotification *notification,
 123     gchar *action,
 124     EmpathyNotificationsApprover *self)
 125 {
 126   if (self->priv->event != NULL)
 127     empathy_event_approve (self->priv->event);
 128 }
 129
 130 static void
 131 notification_decline_cb (NotifyNotification *notification,
 132     gchar *action,
 133     EmpathyNotificationsApprover  *self)
 134 {
 135   if (self->priv->event != NULL)
 136     empathy_event_decline (self->priv->event);
 137 }
 138
 139 static void
 140 notification_decline_subscription_cb (NotifyNotification *notification,
 141     gchar *action,
 142     EmpathyNotificationsApprover *self)
 143 {
 144   EmpathyContactManager *manager;
 145
 146   if (self->priv->event == NULL)
 147     return;
 148
 149   manager = empathy_contact_manager_dup_singleton ();
 150   empathy_contact_list_remove (EMPATHY_CONTACT_LIST (manager),
 151       self->priv->event->contact, "");
 152
 153   empathy_event_remove (self->priv->event);
 154
 155   g_object_unref (manager);
 156 }
 157
 158 static void
 159 notification_accept_subscription_cb (NotifyNotification *notification,
 160     gchar *action,
 161     EmpathyNotificationsApprover *self)
 162 {
 163   EmpathyContactManager *manager;
 164
 165   if (self->priv->event == NULL)
 166     return;
 167
 168   manager = empathy_contact_manager_dup_singleton ();
 169   empathy_contact_list_add (EMPATHY_CONTACT_LIST (manager),
 170       self->priv->event->contact, "");
 171
 172   empathy_event_remove (self->priv->event);
 173
 174   g_object_unref (manager);
 175 }
 176
 177 static void
 178 add_notification_actions (EmpathyNotificationsApprover *self,
 179     NotifyNotification *notification)
 180 {
 181   switch (self->priv->event->type) {
 182     case EMPATHY_EVENT_TYPE_CHAT:
 183       notify_notification_add_action (notification,
 184         "respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
 185           self, NULL);
 186       break;
 187
 188     case EMPATHY_EVENT_TYPE_VOIP:
 189       notify_notification_add_action (notification,
 190         "reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
 191           self, NULL);
 192
 193       notify_notification_add_action (notification,
 194         "answer", _("Answer"), (NotifyActionCallback) notification_approve_cb,
 195           self, NULL);
 196       break;
 197
 198     case EMPATHY_EVENT_TYPE_TRANSFER:
 199     case EMPATHY_EVENT_TYPE_INVITATION:
 200       notify_notification_add_action (notification,
 201         "decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
 202           self, NULL);
 203
 204       notify_notification_add_action (notification,
 205         "accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
 206           self, NULL);
 207       break;
 208
 209     case EMPATHY_EVENT_TYPE_SUBSCRIPTION:
 210       notify_notification_add_action (notification,
 211         "decline", _("Decline"),
 212           (NotifyActionCallback) notification_decline_subscription_cb,
 213           self, NULL);
 214
 215       notify_notification_add_action (notification,
 216         "accept", _("Accept"),
 217           (NotifyActionCallback) notification_accept_subscription_cb,
 218           self, NULL);
 219
 220     default:
 221       break;
 222   }
 223 }
 224
 225 static void
 226 update_notification (EmpathyNotificationsApprover *self)
 227 {
 228   GdkPixbuf *pixbuf = NULL;
 229   gchar *message_esc = NULL;
 230   gboolean has_x_canonical_append;
 231   NotifyNotification *notification;
 232
 233   if (!empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
 234     {
 235       /* always close the notification if this happens */
 236       notification_close_helper (self);
 237       return;
 238     }
 239
 240   if (self->priv->event == NULL)
 241     {
 242       notification_close_helper (self);
 243       return;
 244      }
 245
 246   if (self->priv->event->message != NULL)
 247     message_esc = g_markup_escape_text (self->priv->event->message, -1);
 248
 249   has_x_canonical_append = empathy_notify_manager_has_capability (
 250       self->priv->notify_mgr, EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);
 251
 252   if (self->priv->notification != NULL && ! has_x_canonical_append)
 253     {
 254       /* if the notification server does NOT supports x-canonical-append, it is
 255        * better to not use notify_notification_update to avoid
 256        * overwriting the current notification message */
 257       notification = g_object_ref (self->priv->notification);
 258
 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         {
 275           self->priv->notification = g_object_ref (notification);
 276
 277           g_signal_connect (notification, "closed",
 278               G_CALLBACK (notification_closed_cb), self);
 279         }
 280
 281       notify_notification_set_timeout (notification,
 282           NOTIFY_EXPIRES_DEFAULT);
 283
 284       if (has_x_canonical_append)
 285         notify_notification_set_hint_string (notification,
 286             EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
 287
 288       if (empathy_notify_manager_has_capability (self->priv->notify_mgr,
 289             EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
 290         add_notification_actions (self, notification);
 291     }
 292
 293   pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
 294       self->priv->notify_mgr, self->priv->event->contact,
 295       self->priv->event->icon_name);
 296
 297   if (pixbuf != NULL)
 298     {
 299       notify_notification_set_icon_from_pixbuf (notification, pixbuf);
 300       g_object_unref (pixbuf);
 301     }
 302
 303   notify_notification_show (notification, NULL);
 304
 305   g_free (message_esc);
 306   g_object_unref (notification);
 307 }
 308
 309 static void
 310 event_added_cb (EmpathyEventManager *manager,
 311     EmpathyEvent *event,
 312     EmpathyNotificationsApprover *self)
 313 {
 314   if (self->priv->event != NULL)
 315     return;
 316
 317   self->priv->event = event;
 318   update_notification (self);
 319 }
 320
 321 static void
 322 event_removed_cb (EmpathyEventManager *manager,
 323     EmpathyEvent *event,
 324     EmpathyNotificationsApprover *self)
 325 {
 326   if (event != self->priv->event)
 327     return;
 328
 329   self->priv->event = empathy_event_manager_get_top_event (
 330       self->priv->event_mgr);
 331
 332   update_notification (self);
 333 }
 334
 335 static void
 336 event_updated_cb (EmpathyEventManager *manager,
 337     EmpathyEvent *event,
 338     EmpathyNotificationsApprover *self)
 339 {
 340   if (event != self->priv->event)
 341     return;
 342
 343   if (empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
 344     update_notification (self);
 345 }
 346
 347 static void
 348 empathy_notifications_approver_init (EmpathyNotificationsApprover *self)
 349 {
 350   EmpathyNotificationsApproverPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
 351     EMPATHY_TYPE_NOTIFICATIONS_APPROVER, EmpathyNotificationsApproverPrivate);
 352
 353   self->priv = priv;
 354
 355   self->priv->event_mgr = empathy_event_manager_dup_singleton ();
 356   self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
 357
 358   tp_g_signal_connect_object (self->priv->event_mgr, "event-added",
 359       G_CALLBACK (event_added_cb), self, 0);
 360   tp_g_signal_connect_object (priv->event_mgr, "event-removed",
 361       G_CALLBACK (event_removed_cb), self, 0);
 362   tp_g_signal_connect_object (priv->event_mgr, "event-updated",
 363       G_CALLBACK (event_updated_cb), self, 0);
 364 }
 365
 366 EmpathyNotificationsApprover *
 367 empathy_notifications_approver_dup_singleton (void)
 368 {
 369   return g_object_new (EMPATHY_TYPE_NOTIFICATIONS_APPROVER, NULL);
 370 }