libempathy-gtk/empathy-contact-selector.c

   1 /*
   2 *  Copyright (C) 2007 Marco Barisione <marco@barisione.org>
   3 *  Copyright (C) 2008 Collabora Ltd.
   4 *
   5 *  This library is free software; you can redistribute it and/or
   6 *  modify it under the terms of the GNU Lesser General Public
   7 *  License as published by the Free Software Foundation; either
   8 *  version 2.1 of the License, or (at your option) any later version.
   9 *
  10 *  This library is distributed in the hope that it will be useful,
  11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 *  Lesser General Public License for more details.
  14 *
  15 *  You should have received a copy of the GNU Lesser General Public
  16 *  License along with this library; if not, write to the Free Software
  17 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18 *
  19 *  Authors: Marco Barisione <marco@barisione.org>
  20 *           Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  21 */
  22
  23 #include "config.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27
  28 #include <libempathy/empathy-contact.h>
  29 #include <libempathy-gtk/empathy-contact-list-store.h>
  30 #include <libempathy/empathy-utils.h>
  31
  32 #include "empathy-contact-selector.h"
  33
  34 G_DEFINE_TYPE (EmpathyContactSelector, empathy_contact_selector,
  35     GTK_TYPE_COMBO_BOX)
  36
  37 enum
  38 {
  39   PROP_0,
  40   PROP_CONTACT_LIST
  41 };
  42
  43 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyContactSelector)
  44 typedef struct
  45 {
  46   EmpathyContactList *contact_list;
  47   EmpathyContactListStore *store;
  48   gboolean dispose_run;
  49 } EmpathyContactSelectorPriv;
  50
  51 static void contact_selector_manage_blank_contact (
  52     EmpathyContactSelector *selector);
  53
  54 static guint
  55 contact_selector_get_number_online_contacts (GtkTreeStore *store)
  56 {
  57   GtkTreeIter tmp_iter;
  58   gboolean is_online;
  59   guint number_online_contacts = 0;
  60   gboolean ok;
  61
  62   for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &tmp_iter);
  63       ok; ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &tmp_iter))
  64     {
  65       gtk_tree_model_get (GTK_TREE_MODEL (store),
  66           &tmp_iter, EMPATHY_CONTACT_LIST_STORE_COL_IS_ONLINE,
  67           &is_online, -1);
  68       if (is_online)
  69         number_online_contacts++;
  70     }
  71
  72   return number_online_contacts;
  73 }
  74
  75 static gboolean
  76 contact_selector_get_iter_for_blank_contact (GtkTreeStore *store,
  77                                              GtkTreeIter *blank_iter)
  78 {
  79   GtkTreeIter tmp_iter;
  80   EmpathyContact *tmp_contact;
  81   gboolean is_present = FALSE;
  82   gboolean ok;
  83
  84   for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &tmp_iter);
  85       ok; ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &tmp_iter))
  86     {
  87       gtk_tree_model_get (GTK_TREE_MODEL (store),
  88           &tmp_iter, EMPATHY_CONTACT_LIST_STORE_COL_CONTACT,
  89           &tmp_contact, -1);
  90       if (tmp_contact == NULL)
  91         {
  92           *blank_iter = tmp_iter;
  93           is_present = TRUE;
  94           break;
  95         }
  96       g_object_unref (tmp_contact);
  97     }
  98
  99   return is_present;
 100 }
 101
 102 static void
 103 contact_selector_add_blank_contact (EmpathyContactSelector *selector)
 104 {
 105   EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
 106   GtkTreeIter blank_iter;
 107
 108   gtk_tree_store_insert_with_values (
 109       GTK_TREE_STORE (priv->store),&blank_iter, NULL, 0,
 110       EMPATHY_CONTACT_LIST_STORE_COL_CONTACT, NULL,
 111       EMPATHY_CONTACT_LIST_STORE_COL_NAME, (_("Select a contact")),
 112       EMPATHY_CONTACT_LIST_STORE_COL_IS_ONLINE, FALSE, -1);
 113   g_signal_handlers_block_by_func (selector,
 114       contact_selector_manage_blank_contact, selector);
 115   gtk_combo_box_set_active_iter (GTK_COMBO_BOX (selector), &blank_iter);
 116   g_signal_handlers_unblock_by_func (selector,
 117       contact_selector_manage_blank_contact, selector);
 118 }
 119
 120 static void
 121 contact_selector_remove_blank_contact (EmpathyContactSelector *selector)
 122 {
 123   EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
 124   GtkTreeIter blank_iter;
 125
 126   if (contact_selector_get_iter_for_blank_contact (
 127         GTK_TREE_STORE (priv->store), &blank_iter))
 128     gtk_tree_store_remove (GTK_TREE_STORE (priv->store), &blank_iter);
 129 }
 130
 131 static void
 132 contact_selector_manage_sensitivity (EmpathyContactSelector *selector)
 133 {
 134   EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
 135   guint number_online_contacts;
 136
 137   number_online_contacts = contact_selector_get_number_online_contacts (
 138       GTK_TREE_STORE (priv->store));
 139
 140   if (number_online_contacts != 0)
 141     gtk_widget_set_sensitive (GTK_WIDGET (selector), TRUE);
 142   else
 143     gtk_widget_set_sensitive (GTK_WIDGET (selector), FALSE);
 144 }
 145
 146 static void
 147 contact_selector_manage_blank_contact (EmpathyContactSelector *selector)
 148 {
 149   gboolean is_popup_shown;
 150
 151   g_object_get (selector, "popup-shown", &is_popup_shown, NULL);
 152
 153   if (is_popup_shown)
 154     {
 155       contact_selector_remove_blank_contact (selector);
 156     }
 157   else
 158     {
 159       if (gtk_combo_box_get_active (GTK_COMBO_BOX (selector)) == -1)
 160         {
 161           contact_selector_add_blank_contact (selector);
 162         }
 163       else
 164         {
 165           contact_selector_remove_blank_contact (selector);
 166         }
 167     }
 168
 169   contact_selector_manage_sensitivity (selector);
 170 }
 171
 172 static GObject *
 173 contact_selector_constructor (GType type,
 174                               guint n_construct_params,
 175                               GObjectConstructParam *construct_params)
 176 {
 177   GObject *object;
 178   EmpathyContactSelector *contact_selector;
 179   EmpathyContactSelectorPriv *priv;
 180   GtkCellLayout *cell_layout;
 181   GtkCellRenderer *renderer;
 182
 183   object = G_OBJECT_CLASS (empathy_contact_selector_parent_class)->constructor
 184     (type, n_construct_params, construct_params);
 185   priv = GET_PRIV (object);
 186   contact_selector = EMPATHY_CONTACT_SELECTOR (object);
 187   cell_layout = GTK_CELL_LAYOUT (object);
 188
 189   priv->store = empathy_contact_list_store_new (priv->contact_list);
 190
 191   g_object_set (priv->store, "is-compact", TRUE, "show-avatars", FALSE,
 192       "show-offline", FALSE, "show-groups", FALSE,
 193       "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME, NULL);
 194
 195   g_signal_connect_swapped (priv->store, "row-changed",
 196       G_CALLBACK (contact_selector_manage_sensitivity),
 197       contact_selector);
 198   g_signal_connect_swapped (contact_selector, "changed",
 199       G_CALLBACK (contact_selector_manage_blank_contact),
 200       contact_selector);
 201   g_signal_connect_swapped (contact_selector, "notify::popup-shown",
 202       G_CALLBACK (contact_selector_manage_blank_contact),
 203       contact_selector);
 204
 205   gtk_combo_box_set_model (GTK_COMBO_BOX (contact_selector),
 206       GTK_TREE_MODEL (priv->store));
 207   gtk_widget_set_sensitive (GTK_WIDGET (contact_selector), FALSE);
 208
 209   renderer = gtk_cell_renderer_pixbuf_new ();
 210   gtk_cell_layout_pack_start (cell_layout, renderer, FALSE);
 211   gtk_cell_layout_set_attributes (cell_layout, renderer,
 212       "icon-name", EMPATHY_CONTACT_LIST_STORE_COL_ICON_STATUS, NULL);
 213
 214   renderer = gtk_cell_renderer_text_new ();
 215   gtk_cell_layout_pack_start (cell_layout, renderer, TRUE);
 216   gtk_cell_layout_set_attributes (cell_layout, renderer,
 217       "text", EMPATHY_CONTACT_LIST_STORE_COL_NAME, NULL);
 218
 219   contact_selector_manage_blank_contact (contact_selector);
 220   contact_selector_manage_sensitivity (contact_selector);
 221
 222   return object;
 223 }
 224
 225 static void
 226 empathy_contact_selector_init (EmpathyContactSelector *empathy_contact_selector)
 227 {
 228   EmpathyContactSelectorPriv *priv =
 229       G_TYPE_INSTANCE_GET_PRIVATE (empathy_contact_selector,
 230       EMPATHY_TYPE_CONTACT_SELECTOR, EmpathyContactSelectorPriv);
 231
 232   empathy_contact_selector->priv = priv;
 233
 234   priv->dispose_run = FALSE;
 235 }
 236
 237 static void
 238 contact_selector_set_property (GObject *object,
 239                                guint prop_id,
 240                                const GValue *value,
 241                                GParamSpec *pspec)
 242 {
 243   EmpathyContactSelectorPriv *priv = GET_PRIV (object);
 244
 245   switch (prop_id)
 246     {
 247       case PROP_CONTACT_LIST:
 248         priv->contact_list = g_value_dup_object (value);
 249         break;
 250       default:
 251         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 252         break;
 253     }
 254 }
 255
 256 static void
 257 contact_selector_get_property (GObject *object,
 258                                guint prop_id,
 259                                GValue *value,
 260                                GParamSpec *pspec)
 261 {
 262   EmpathyContactSelectorPriv *priv = GET_PRIV (object);
 263
 264   switch (prop_id)
 265     {
 266       case PROP_CONTACT_LIST:
 267         g_value_set_object (value, priv->contact_list);
 268         break;
 269       default:
 270         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 271         break;
 272     }
 273 }
 274
 275 static void
 276 contact_selector_dispose (GObject *object)
 277 {
 278   EmpathyContactSelector *selector = EMPATHY_CONTACT_SELECTOR (object);
 279   EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
 280
 281   if (priv->dispose_run)
 282     return;
 283
 284   priv->dispose_run = TRUE;
 285
 286   if (priv->contact_list)
 287     {
 288       g_object_unref (priv->contact_list);
 289       priv->contact_list = NULL;
 290     }
 291
 292   if (priv->store)
 293     {
 294       g_object_unref (priv->store);
 295       priv->store = NULL;
 296     }
 297
 298   (G_OBJECT_CLASS (empathy_contact_selector_parent_class)->dispose) (object);
 299 }
 300
 301 static void
 302 empathy_contact_selector_class_init (EmpathyContactSelectorClass *klass)
 303 {
 304   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 305   object_class->constructor = contact_selector_constructor;
 306   object_class->dispose = contact_selector_dispose;
 307   object_class->set_property = contact_selector_set_property;
 308   object_class->get_property = contact_selector_get_property;
 309   g_type_class_add_private (klass, sizeof (EmpathyContactSelectorPriv));
 310
 311   g_object_class_install_property (object_class, PROP_CONTACT_LIST,
 312       g_param_spec_object ("contact-list", "contact list", "contact list",
 313       EMPATHY_TYPE_CONTACT_LIST, G_PARAM_CONSTRUCT_ONLY |
 314       G_PARAM_READWRITE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 315 }
 316
 317 /* public methods */
 318
 319 GtkWidget *
 320 empathy_contact_selector_new (EmpathyContactList *contact_list)
 321 {
 322   g_return_val_if_fail (EMPATHY_IS_CONTACT_LIST (contact_list), NULL);
 323
 324   return GTK_WIDGET (g_object_new (EMPATHY_TYPE_CONTACT_SELECTOR,
 325       "contact-list", contact_list, NULL));
 326 }
 327
 328 EmpathyContact *
 329 empathy_contact_selector_dup_selected (EmpathyContactSelector *selector)
 330 {
 331   EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
 332   EmpathyContact *contact = NULL;
 333   GtkTreeIter iter;
 334
 335   g_return_val_if_fail (EMPATHY_IS_CONTACT_SELECTOR (selector), NULL);
 336
 337   if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (selector), &iter))
 338     return NULL;
 339
 340   gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
 341       EMPATHY_CONTACT_LIST_STORE_COL_CONTACT, &contact, -1);
 342
 343   return contact;
 344 }