Caches accounts window, editor and view in startup.
[modest] / src / hildon2 / modest-accounts-window.c
1 /* Copyright (c) 2008, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <modest-accounts-window.h>
31 #include <modest-osso-state-saving.h>
32 #include <libosso.h>
33 #include <hildon/hildon-pannable-area.h>
34 #include <hildon/hildon-banner.h>
35 #include <hildon/hildon-helper.h>
36 #include <modest-ui-actions.h>
37 #include <modest-window-mgr.h>
38 #include <modest-signal-mgr.h>
39 #include <modest-runtime.h>
40 #include <modest-platform.h>
41 #include <hildon/hildon-program.h>
42 #include <hildon/hildon-button.h>
43 #include <modest-maemo-utils.h>
44 #include <modest-icon-names.h>
45 #include <modest-defs.h>
46 #include <modest-folder-window.h>
47 #include <modest-ui-dimming-rules.h>
48 #include <modest-ui-dimming-manager.h>
49 #include <modest-window-priv.h>
50 #include <modest-ui-constants.h>
51 #include <modest-account-mgr-helpers.h>
52 #include <modest-mailboxes-window.h>
53
54
55 /* 'private'/'protected' functions */
56 static void modest_accounts_window_class_init  (ModestAccountsWindowClass *klass);
57 static void modest_accounts_window_instance_init (ModestAccountsWindow *obj);
58 static void modest_accounts_window_finalize    (GObject *obj);
59
60 static void connect_signals (ModestAccountsWindow *self);
61 static void modest_accounts_window_disconnect_signals (ModestWindow *self);
62
63 static void on_account_activated (GtkTreeView *treeview,
64                                   GtkTreePath *path,
65                                   GtkTreeViewColumn *column,
66                                   ModestAccountsWindow *accounts_window);
67 static void on_progress_list_changed (ModestWindowMgr *mgr,
68                                       ModestAccountsWindow *self);
69 static void setup_menu (ModestAccountsWindow *self);
70 static gboolean _modest_accounts_window_map_event (GtkWidget *widget,
71                                                    GdkEvent *event,
72                                                    gpointer userdata);
73 static void update_progress_hint (ModestAccountsWindow *self);
74 static void on_queue_changed    (ModestMailOperationQueue *queue,
75                                  ModestMailOperation *mail_op,
76                                  ModestMailOperationQueueNotification type,
77                                  ModestAccountsWindow *self);
78 static void on_row_inserted (GtkTreeModel *tree_model,
79                              GtkTreePath  *path,
80                              GtkTreeIter  *iter,
81                              gpointer      user_data);
82 static void on_row_deleted (GtkTreeModel *tree_model,
83                             GtkTreePath  *path,
84                             gpointer      user_data);
85 static void row_count_changed (ModestAccountsWindow *self);
86
87 typedef struct _ModestAccountsWindowPrivate ModestAccountsWindowPrivate;
88 struct _ModestAccountsWindowPrivate {
89
90         GtkWidget *box;
91         GtkWidget *pannable;
92         GtkWidget *account_view;
93         GtkWidget *no_accounts_container;
94         GtkWidget *new_message_button;
95
96         /* signals */
97         GSList *sighandlers;
98
99         gboolean progress_hint;
100         guint queue_change_handler;
101 };
102 #define MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
103                                                                             MODEST_TYPE_ACCOUNTS_WINDOW, \
104                                                                             ModestAccountsWindowPrivate))
105
106 /* globals */
107 static GtkWindowClass *parent_class = NULL;
108 static GtkWidget *pre_created_accounts_window = NULL;
109
110 /************************************************************************/
111
112 GType
113 modest_accounts_window_get_type (void)
114 {
115         static GType my_type = 0;
116         if (!my_type) {
117                 static const GTypeInfo my_info = {
118                         sizeof(ModestAccountsWindowClass),
119                         NULL,           /* base init */
120                         NULL,           /* base finalize */
121                         (GClassInitFunc) modest_accounts_window_class_init,
122                         NULL,           /* class finalize */
123                         NULL,           /* class data */
124                         sizeof(ModestAccountsWindow),
125                         1,              /* n_preallocs */
126                         (GInstanceInitFunc) modest_accounts_window_instance_init,
127                         NULL
128                 };
129                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
130                                                   "ModestAccountsWindow",
131                                                   &my_info, 0);
132         }
133         return my_type;
134 }
135
136 static void
137 modest_accounts_window_class_init (ModestAccountsWindowClass *klass)
138 {
139         GObjectClass *gobject_class;
140         gobject_class = (GObjectClass*) klass;
141         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
142
143         parent_class            = g_type_class_peek_parent (klass);
144         gobject_class->finalize = modest_accounts_window_finalize;
145
146         g_type_class_add_private (gobject_class, sizeof(ModestAccountsWindowPrivate));
147         
148         modest_window_class->disconnect_signals_func = modest_accounts_window_disconnect_signals;
149 }
150
151 static void
152 modest_accounts_window_instance_init (ModestAccountsWindow *obj)
153 {
154         ModestAccountsWindowPrivate *priv;
155
156         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(obj);
157
158         priv->sighandlers = NULL;
159         
160         priv->account_view = NULL;
161         priv->progress_hint = FALSE;
162         
163         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
164                                             GTK_WINDOW(obj),
165                                             "applications_email_accountsview");
166 }
167
168 static void
169 modest_accounts_window_finalize (GObject *obj)
170 {
171         ModestAccountsWindowPrivate *priv;
172
173         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(obj);
174
175         /* Sanity check: shouldn't be needed, the window mgr should
176            call this function before */
177         modest_accounts_window_disconnect_signals (MODEST_WINDOW (obj));        
178
179         G_OBJECT_CLASS(parent_class)->finalize (obj);
180 }
181
182 static void
183 modest_accounts_window_disconnect_signals (ModestWindow *self)
184 {       
185         ModestAccountsWindowPrivate *priv;      
186         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(self);
187
188         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
189                                            priv->queue_change_handler))
190                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
191                                              priv->queue_change_handler);
192
193         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
194         priv->sighandlers = NULL;       
195 }
196
197 static void
198 connect_signals (ModestAccountsWindow *self)
199 {
200         ModestAccountsWindowPrivate *priv;
201         GtkTreeModel *model;
202
203         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(self);
204
205         /* accounts view */
206         priv->sighandlers = 
207                 modest_signal_mgr_connect (priv->sighandlers,
208                                            G_OBJECT (priv->account_view), "row-activated", 
209                                            G_CALLBACK (on_account_activated), self);
210
211         priv->sighandlers = 
212                 modest_signal_mgr_connect (priv->sighandlers,
213                                            G_OBJECT (modest_runtime_get_window_mgr ()),
214                                            "progress-list-changed",
215                                            G_CALLBACK (on_progress_list_changed), self);
216
217         model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->account_view));
218
219         priv->sighandlers =
220                 modest_signal_mgr_connect (priv->sighandlers,
221                                            G_OBJECT (model),
222                                            "row-inserted",
223                                            G_CALLBACK (on_row_inserted), self);
224
225         priv->sighandlers =
226                 modest_signal_mgr_connect (priv->sighandlers,
227                                            G_OBJECT (model),
228                                            "row-deleted",
229                                            G_CALLBACK (on_row_deleted), self);
230
231         priv->sighandlers = 
232                 modest_signal_mgr_connect (priv->sighandlers,
233                                            G_OBJECT (priv->new_message_button),
234                                            "clicked",
235                                            G_CALLBACK (modest_ui_actions_on_new_msg), self);
236
237         /* we don't register this in sighandlers, as it should be run
238          * after disconnecting all signals, in destroy stage */
239 }
240
241 static ModestWindow *
242 modest_accounts_window_new_real (void)
243 {
244         ModestAccountsWindow *self = NULL;
245         ModestAccountsWindowPrivate *priv = NULL;
246         GdkPixbuf *window_icon;
247         GdkPixbuf *new_message_pixbuf;
248         guint accel_key;
249         GdkModifierType accel_mods;
250         GtkAccelGroup *accel_group;
251         GtkWidget *no_accounts_label;
252         GtkWidget *empty_view_new_message_button;
253         GtkWidget *box_alignment;
254
255         self  = MODEST_ACCOUNTS_WINDOW(g_object_new(MODEST_TYPE_ACCOUNTS_WINDOW, NULL));
256         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(self);
257
258         new_message_pixbuf = modest_platform_get_icon ("general_add", MODEST_ICON_SIZE_BIG);
259
260         box_alignment = gtk_alignment_new (0, 0, 1.0, 1.0);
261         gtk_alignment_set_padding (GTK_ALIGNMENT (box_alignment), 
262                                    0, 0,
263                                    HILDON_MARGIN_DOUBLE, HILDON_MARGIN_DOUBLE);
264         priv->box = gtk_vbox_new (FALSE, 0);
265
266         no_accounts_label = gtk_label_new (_("mcen_ia_noaccounts"));
267         
268         gtk_misc_set_alignment (GTK_MISC (no_accounts_label), 0.5, 0.5);
269         hildon_helper_set_logical_font (no_accounts_label, "LargeSystemFont");
270
271         empty_view_new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
272         hildon_button_set_title (HILDON_BUTTON (empty_view_new_message_button), _("mcen_ti_new_message"));
273         hildon_button_set_image (HILDON_BUTTON (empty_view_new_message_button), gtk_image_new_from_pixbuf (new_message_pixbuf));
274
275
276         priv->no_accounts_container = gtk_vbox_new (FALSE, 0);
277         gtk_box_pack_start (GTK_BOX (priv->no_accounts_container), empty_view_new_message_button, FALSE, FALSE, 0);
278         gtk_widget_show_all (empty_view_new_message_button);
279         gtk_box_pack_end (GTK_BOX (priv->no_accounts_container), no_accounts_label, TRUE, TRUE, 0);
280         gtk_widget_show (no_accounts_label);
281         gtk_box_pack_start (GTK_BOX (priv->box), priv->no_accounts_container, TRUE, TRUE, 0);
282
283         g_signal_connect (G_OBJECT (empty_view_new_message_button),
284                           "clicked",
285                           G_CALLBACK (modest_ui_actions_on_new_msg), self);
286         
287         priv->pannable = hildon_pannable_area_new ();
288
289         priv->queue_change_handler =
290                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
291                                   "queue-changed",
292                                   G_CALLBACK (on_queue_changed),
293                                   self);
294
295         priv->new_message_button = hildon_button_new (0, HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
296
297         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_ti_new_message"));
298         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button), gtk_image_new_from_pixbuf (new_message_pixbuf));
299
300         gtk_widget_show_all (priv->new_message_button);
301
302         g_object_unref (new_message_pixbuf);
303         setup_menu (self);
304
305         gtk_box_pack_start (GTK_BOX (priv->box), priv->pannable, TRUE, TRUE, 0);
306         gtk_container_add (GTK_CONTAINER (box_alignment), priv->box);
307         gtk_container_add (GTK_CONTAINER (self), box_alignment);
308
309         gtk_widget_show (priv->pannable);
310         gtk_widget_show (priv->box);
311         gtk_widget_show (box_alignment);
312
313         /* Get device name */
314         modest_maemo_utils_get_device_name ();
315
316         /* Set window icon */
317         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
318         if (window_icon) {
319                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
320                 g_object_unref (window_icon);
321         }
322
323         accel_group = gtk_accel_group_new ();
324         gtk_accelerator_parse ("<Control>n", &accel_key, &accel_mods);
325         gtk_widget_add_accelerator (priv->new_message_button, "clicked", accel_group,
326                                     accel_key, accel_mods, 0);
327         gtk_window_add_accel_group (GTK_WINDOW (self), accel_group);
328
329         return MODEST_WINDOW(self);
330 }
331
332 ModestWindow *
333 modest_accounts_window_new (void)
334 {
335         GtkWidget *action_area_box;
336         ModestWindow *self;
337         ModestAccountsWindowPrivate *priv = NULL;
338         HildonProgram *app;
339
340         if (pre_created_accounts_window) {
341                 self = MODEST_WINDOW (pre_created_accounts_window);
342                 pre_created_accounts_window = NULL;
343         } else {
344                 self = modest_accounts_window_new_real ();
345         }
346         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE(self);
347         priv->account_view  = GTK_WIDGET (modest_account_view_new (modest_runtime_get_account_mgr ()));
348
349         action_area_box = hildon_tree_view_get_action_area_box (GTK_TREE_VIEW (priv->account_view));
350         gtk_box_pack_start (GTK_BOX (action_area_box), priv->new_message_button, TRUE, TRUE, 0);
351         hildon_tree_view_set_action_area_visible (GTK_TREE_VIEW (priv->account_view), TRUE);
352         gtk_container_add (GTK_CONTAINER (priv->pannable), priv->account_view);
353
354         connect_signals (MODEST_ACCOUNTS_WINDOW (self));
355
356         /* Load previous osso state, for instance if we are being restored from 
357          * hibernation:  */
358         modest_osso_load_state ();
359
360         app = hildon_program_get_instance ();
361         hildon_program_add_window (app, HILDON_WINDOW (self));
362         
363         /* Dont't restore settings here, 
364          * because it requires a gtk_widget_show(), 
365          * and we don't want to do that until later,
366          * so that the UI is not visible for non-menu D-Bus activation.
367          */
368
369         g_signal_connect (G_OBJECT (self), "map-event",
370                           G_CALLBACK (_modest_accounts_window_map_event),
371                           G_OBJECT (self));
372         update_progress_hint (MODEST_ACCOUNTS_WINDOW (self));
373
374         row_count_changed (MODEST_ACCOUNTS_WINDOW (self));
375
376         return self;
377 }
378
379
380 ModestAccountView *
381 modest_accounts_window_get_account_view (ModestAccountsWindow *self)
382 {
383         ModestAccountsWindowPrivate *priv = NULL;
384
385         g_return_val_if_fail (MODEST_IS_ACCOUNTS_WINDOW(self), FALSE);
386
387         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
388         
389         return MODEST_ACCOUNT_VIEW (priv->account_view);
390 }
391
392 static void 
393 setup_menu (ModestAccountsWindow *self)
394 {
395         g_return_if_fail (MODEST_IS_ACCOUNTS_WINDOW(self));
396
397         /* Settings menu buttons */
398         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_new_account"), NULL, 
399                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_account), 
400                                            NULL);
401         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_edit_accounts"), NULL,
402                                            APP_MENU_CALLBACK (modest_ui_actions_on_accounts), 
403                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_edit_accounts));
404         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_globalsmtpservers"), NULL,
405                                            APP_MENU_CALLBACK (modest_ui_actions_on_smtp_servers),
406                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_tools_smtp_servers));
407         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"), NULL,
408                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
409                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive_all));
410         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"), NULL,
411                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
412                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
413         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_options"), NULL,
414                                            APP_MENU_CALLBACK (modest_ui_actions_on_settings), 
415                                            NULL);
416 }
417
418
419 static void
420 on_account_activated (GtkTreeView *account_view,
421                       GtkTreePath *path,
422                       GtkTreeViewColumn *column,
423                       ModestAccountsWindow *self)
424 {
425         ModestAccountsWindowPrivate *priv;
426         gchar* account_name; 
427         GtkWidget *new_window;
428         gboolean registered;
429         ModestProtocolType store_protocol;
430         gboolean mailboxes_protocol;
431
432         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
433
434         account_name = modest_account_view_get_path_account (MODEST_ACCOUNT_VIEW (priv->account_view), path);
435         if (!account_name)
436                 return;
437
438         /* If it's a multimailbox container, we have to show the mailboxes window */
439         store_protocol = modest_account_mgr_get_store_protocol (modest_runtime_get_account_mgr (), 
440                                                                 account_name);
441         mailboxes_protocol = 
442                 modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
443                                                                 store_protocol,
444                                                                 MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS);
445         if (mailboxes_protocol) {
446                 new_window = GTK_WIDGET (modest_mailboxes_window_new (account_name));
447         } else {
448
449                 new_window = GTK_WIDGET (modest_folder_window_new (NULL));
450         }
451
452         registered = modest_window_mgr_register_window (modest_runtime_get_window_mgr (), 
453                                                         MODEST_WINDOW (new_window),
454                                                         MODEST_WINDOW (self));
455
456         if (!registered) {
457                 gtk_widget_destroy (new_window);
458                 new_window = NULL;
459         } else {
460                 if (!mailboxes_protocol) {
461                         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (new_window), account_name);
462                 }
463                 gtk_widget_show (new_window);
464         }
465         g_free (account_name);
466 }
467
468 static gboolean
469 _modest_accounts_window_map_event (GtkWidget *widget,
470                                    GdkEvent *event,
471                                    gpointer userdata)
472 {
473         ModestAccountsWindow *self = (ModestAccountsWindow *) userdata;
474         ModestAccountsWindowPrivate *priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
475
476         if (priv->progress_hint) {
477                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), TRUE);
478         }
479
480         return FALSE;
481 }
482
483 static gboolean
484 has_active_operations (ModestAccountsWindow *self)
485 {
486         GSList *operations = NULL, *node;
487         ModestMailOperationQueue *queue;
488         gboolean has_active = FALSE;
489
490         queue = modest_runtime_get_mail_operation_queue ();
491         operations = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (self));
492
493         for (node = operations; node != NULL; node = g_slist_next (node)) {
494                 if (!modest_mail_operation_is_finished (MODEST_MAIL_OPERATION (node->data))) {
495                         has_active = TRUE;
496                         break;
497                 }
498         }
499
500         if (operations) {
501                 g_slist_foreach (operations, (GFunc) g_object_unref, NULL);
502                 g_slist_free (operations);
503         }
504
505         return has_active;
506 }
507
508 static void
509 update_progress_hint (ModestAccountsWindow *self)
510 {
511         ModestAccountsWindowPrivate *priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
512
513         if (has_active_operations (self)) {
514                 priv->progress_hint = TRUE;
515         } else {
516                 priv->progress_hint = FALSE;
517         }
518
519         if (!priv->progress_hint) {
520                 priv->progress_hint = modest_window_mgr_has_progress_operation (modest_runtime_get_window_mgr ());
521         }
522         
523         if (GTK_WIDGET_VISIBLE (self)) {
524                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), priv->progress_hint?1:0);
525         }
526 }
527
528 static void
529 on_progress_list_changed (ModestWindowMgr *mgr,
530                           ModestAccountsWindow *self)
531 {
532         update_progress_hint (self);
533 }
534
535 static void
536 on_row_inserted (GtkTreeModel *tree_model,
537                  GtkTreePath  *path,
538                  GtkTreeIter  *iter,
539                  gpointer      user_data)
540 {
541         ModestAccountsWindow *self;
542
543         self = (ModestAccountsWindow *) user_data;
544
545         row_count_changed (self);
546 }
547
548 static void
549 on_row_deleted (GtkTreeModel *tree_model,
550                 GtkTreePath  *path,
551                 gpointer      user_data)
552 {
553         ModestAccountsWindow *self;
554
555         self = (ModestAccountsWindow *) user_data;
556
557         row_count_changed (self);
558 }
559
560 static void 
561 row_count_changed (ModestAccountsWindow *self)
562 {
563         ModestAccountsWindowPrivate *priv;
564         GtkTreeModel *model;
565         gint count;
566
567         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
568         model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->account_view));
569
570         count = gtk_tree_model_iter_n_children (model, NULL);
571
572         if (count == 0) {
573                 gtk_widget_hide (priv->account_view);
574                 gtk_widget_show (priv->no_accounts_container);
575                 g_debug ("%s: hiding accounts view", __FUNCTION__);
576         } else {
577                 gtk_widget_hide (priv->no_accounts_container);
578                 gtk_widget_show (priv->account_view);
579                 g_debug ("%s: showing accounts view", __FUNCTION__);
580         }
581         gtk_container_child_set (GTK_CONTAINER(priv->box), priv->pannable, 
582                                  "expand", count > 0,
583                                  "fill", count > 0,
584                                  NULL);
585 }
586
587 static void 
588 on_mail_operation_started (ModestMailOperation *mail_op,
589                            gpointer user_data)
590 {
591         ModestAccountsWindow *self;
592         ModestMailOperationTypeOperation op_type;
593         GObject *source = NULL;
594
595         self = MODEST_ACCOUNTS_WINDOW (user_data);
596         op_type = modest_mail_operation_get_type_operation (mail_op);
597         source = modest_mail_operation_get_source(mail_op);
598         if (G_OBJECT (self) == source) {
599                 update_progress_hint (self);
600         }
601         g_object_unref (source);
602 }
603
604 static void 
605 on_mail_operation_finished (ModestMailOperation *mail_op,
606                             gpointer user_data)
607 {
608         ModestAccountsWindow *self;
609
610         self = MODEST_ACCOUNTS_WINDOW (user_data);
611
612         /* Don't disable the progress hint if there are more pending
613            operations from this window */
614         update_progress_hint (self);
615
616         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
617 }
618
619 static void
620 on_queue_changed (ModestMailOperationQueue *queue,
621                   ModestMailOperation *mail_op,
622                   ModestMailOperationQueueNotification type,
623                   ModestAccountsWindow *self)
624 {
625         ModestAccountsWindowPrivate *priv;
626
627         priv = MODEST_ACCOUNTS_WINDOW_GET_PRIVATE (self);
628
629         /* If this operations was created by another window, do nothing */
630         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self))) 
631                 return;
632
633         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
634                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
635                                                                G_OBJECT (mail_op),
636                                                                "operation-started",
637                                                                G_CALLBACK (on_mail_operation_started),
638                                                                self);
639                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
640                                                                G_OBJECT (mail_op),
641                                                                "operation-finished",
642                                                                G_CALLBACK (on_mail_operation_finished),
643                                                                self);
644         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
645                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
646                                                                   G_OBJECT (mail_op),
647                                                                   "operation-started");
648                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
649                                                                   G_OBJECT (mail_op),
650                                                                   "operation-finished");
651         }
652 }
653
654 void 
655 modest_accounts_window_pre_create (void)
656 {
657         static gboolean pre_created = FALSE;
658         if (!pre_created) {
659                 pre_created = TRUE;
660                 pre_created_accounts_window = GTK_WIDGET (modest_accounts_window_new_real ());
661         }
662 }