libempathy-gtk/empathy-notify-manager.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 "empathy-notify-manager.h"
  22
  23 #include <libnotify/notify.h>
  24 #include <tp-account-widgets/tpaw-pixbuf-utils.h>
  25
  26 #include "empathy-gsettings.h"
  27 #include "empathy-ui-utils.h"
  28 #include "empathy-utils.h"
  29
  30 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  31 #include "empathy-debug.h"
  32
  33 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyNotifyManager)
  34
  35 typedef struct
  36 {
  37   /* owned (gchar *) => TRUE */
  38   GHashTable *capabilities;
  39   TpAccountManager *account_manager;
  40   GSettings *gsettings_notif;
  41 } EmpathyNotifyManagerPriv;
  42
  43 G_DEFINE_TYPE (EmpathyNotifyManager, empathy_notify_manager, G_TYPE_OBJECT);
  44
  45 static EmpathyNotifyManager *notify_manager = NULL;
  46
  47 static GObject *
  48 notify_manager_constructor (GType type,
  49     guint n_construct_params,
  50     GObjectConstructParam *construct_params)
  51 {
  52   GObject *retval;
  53
  54   if (notify_manager != NULL)
  55     return g_object_ref (notify_manager);
  56
  57   retval = G_OBJECT_CLASS (empathy_notify_manager_parent_class)->constructor
  58     (type, n_construct_params, construct_params);
  59
  60   notify_manager = EMPATHY_NOTIFY_MANAGER (retval);
  61   g_object_add_weak_pointer (retval, (gpointer) &notify_manager);
  62
  63   return retval;
  64 }
  65
  66 static void
  67 notify_manager_dispose (GObject *object)
  68 {
  69   EmpathyNotifyManagerPriv *priv = GET_PRIV (object);
  70
  71   if (priv->account_manager != NULL)
  72     {
  73       g_object_unref (priv->account_manager);
  74       priv->account_manager = NULL;
  75     }
  76
  77   tp_clear_object (&priv->gsettings_notif);
  78
  79   G_OBJECT_CLASS (empathy_notify_manager_parent_class)->dispose (object);
  80 }
  81
  82 static void
  83 notify_manager_finalize (GObject *object)
  84 {
  85   EmpathyNotifyManagerPriv *priv = GET_PRIV (object);
  86
  87   g_hash_table_unref (priv->capabilities);
  88
  89   G_OBJECT_CLASS (empathy_notify_manager_parent_class)->finalize (object);
  90 }
  91
  92 static void
  93 empathy_notify_manager_class_init (EmpathyNotifyManagerClass *klass)
  94 {
  95   GObjectClass *object_class = G_OBJECT_CLASS (klass);
  96
  97   object_class->dispose = notify_manager_dispose;
  98   object_class->finalize = notify_manager_finalize;
  99   object_class->constructor = notify_manager_constructor;
 100
 101   g_type_class_add_private (object_class, sizeof (EmpathyNotifyManagerPriv));
 102 }
 103
 104 static void
 105 account_manager_prepared_cb (GObject *source_object,
 106     GAsyncResult *result,
 107     gpointer user_data)
 108 {
 109   TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
 110   GError *error = NULL;
 111
 112   if (!tp_proxy_prepare_finish (account_manager, result, &error))
 113     {
 114       DEBUG ("Failed to prepare account manager: %s", error->message);
 115       g_error_free (error);
 116       return;
 117     }
 118 }
 119
 120 static void
 121 empathy_notify_manager_init (EmpathyNotifyManager *self)
 122 {
 123   EmpathyNotifyManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
 124     EMPATHY_TYPE_NOTIFY_MANAGER, EmpathyNotifyManagerPriv);
 125   GList *list, *l;
 126
 127   self->priv = priv;
 128
 129   priv->gsettings_notif = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
 130
 131   priv->capabilities = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
 132       NULL);
 133
 134   /* fetch capabilities */
 135   list = notify_get_server_caps ();
 136   for (l = list; l != NULL; l = g_list_next (l))
 137     {
 138       gchar *cap = l->data;
 139
 140       DEBUG ("add capability: %s", cap);
 141       /* owernship of the string is transfered to the hash table */
 142       g_hash_table_insert (priv->capabilities, cap, GUINT_TO_POINTER (TRUE));
 143     }
 144   g_list_free (list);
 145
 146   priv->account_manager = tp_account_manager_dup ();
 147
 148   tp_proxy_prepare_async (priv->account_manager, NULL,
 149       account_manager_prepared_cb, self);
 150 }
 151
 152 EmpathyNotifyManager *
 153 empathy_notify_manager_dup_singleton (void)
 154 {
 155   return g_object_new (EMPATHY_TYPE_NOTIFY_MANAGER, NULL);
 156 }
 157
 158 gboolean
 159 empathy_notify_manager_has_capability (EmpathyNotifyManager *self,
 160     const gchar *cap)
 161 {
 162   EmpathyNotifyManagerPriv *priv = GET_PRIV (self);
 163
 164   return g_hash_table_lookup (priv->capabilities, cap) != NULL;
 165 }
 166
 167 GdkPixbuf *
 168 empathy_notify_manager_get_pixbuf_for_notification (EmpathyNotifyManager *self,
 169     EmpathyContact *contact,
 170     const char *icon_name)
 171 {
 172   GdkPixbuf *pixbuf = NULL;
 173
 174   if (contact != NULL)
 175     pixbuf = empathy_pixbuf_avatar_from_contact_scaled (contact, 48, 48);
 176
 177   if (pixbuf == NULL)
 178     pixbuf = tpaw_pixbuf_from_icon_name_sized (icon_name, 48);
 179
 180   return pixbuf;
 181 }
 182
 183 gboolean
 184 empathy_notify_manager_notification_is_enabled  (EmpathyNotifyManager *self)
 185 {
 186   EmpathyNotifyManagerPriv *priv = GET_PRIV (self);
 187   TpConnectionPresenceType presence;
 188
 189   if (!g_settings_get_boolean (priv->gsettings_notif,
 190         EMPATHY_PREFS_NOTIFICATIONS_ENABLED))
 191     return FALSE;
 192
 193   if (!tp_proxy_is_prepared (priv->account_manager,
 194         TP_ACCOUNT_MANAGER_FEATURE_CORE))
 195     {
 196       DEBUG ("account manager is not ready yet; display the notification");
 197       return TRUE;
 198     }
 199
 200   presence = tp_account_manager_get_most_available_presence (
 201       priv->account_manager,
 202       NULL, NULL);
 203
 204   if (presence != TP_CONNECTION_PRESENCE_TYPE_AVAILABLE &&
 205       presence != TP_CONNECTION_PRESENCE_TYPE_UNSET)
 206     {
 207       if (g_settings_get_boolean (priv->gsettings_notif,
 208             EMPATHY_PREFS_NOTIFICATIONS_DISABLED_AWAY))
 209         return FALSE;
 210     }
 211
 212   return TRUE;
 213 }
 214
 215 NotifyNotification *
 216 empathy_notify_manager_create_notification (const gchar *summary,
 217     const char *body,
 218     const gchar *icon)
 219 {
 220   NotifyNotification *notification;
 221
 222   notification = notify_notification_new (summary, body, icon);
 223
 224   notify_notification_set_hint (notification,
 225       EMPATHY_NOTIFY_MANAGER_CAP_DESKTOP_ENTRY,
 226       g_variant_new_string ("empathy"));
 227
 228   return notification;
 229 }