26721e81fb072b277a3b5048d1c9e3c92f93fe85
[modest] / src / hildon2 / modest-header-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-header-window.h>
31 #include <modest-osso-state-saving.h>
32 #include <libosso.h>
33 #include <hildon/hildon-pannable-area.h>
34 #include <hildon/hildon-edit-toolbar.h>
35 #include <modest-window-mgr.h>
36 #include <modest-signal-mgr.h>
37 #include <modest-runtime.h>
38 #include <modest-platform.h>
39 #include <modest-maemo-utils.h>
40 #include <modest-icon-names.h>
41 #include <modest-ui-constants.h>
42 #include <modest-account-mgr.h>
43 #include <modest-account-mgr-helpers.h>
44 #include <modest-defs.h>
45 #include <modest-widget-memory.h>
46 #include <modest-ui-actions.h>
47 #include <modest-platform.h>
48 #include <modest-text-utils.h>
49 #include <hildon/hildon-button.h>
50 #include <hildon/hildon-program.h>
51 #include <hildon/hildon-banner.h>
52
53 typedef enum {
54         CONTENTS_STATE_NONE = 0,
55         CONTENTS_STATE_EMPTY = 1,
56         CONTENTS_STATE_HEADERS = 2
57 } ContentsState;
58
59 typedef enum {
60         EDIT_MODE_COMMAND_NONE = 0,
61         EDIT_MODE_COMMAND_MOVE = 1,
62         EDIT_MODE_COMMAND_DELETE = 2,
63 } EditModeCommand;
64
65 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
66 struct _ModestHeaderWindowPrivate {
67
68         GtkWidget *header_view;
69         GtkWidget *empty_view;
70         GtkWidget *contents_view;
71         GtkWidget *top_vbox;
72         GtkWidget *edit_toolbar;
73
74         /* state bar */
75         ContentsState contents_state;
76         gboolean edit_mode;
77         EditModeCommand edit_command;
78
79         TnyFolder *folder;
80
81         /* banners */
82         GtkWidget *updating_banner;
83         guint updating_banner_timeout;
84
85         /* signals */
86         GSList *sighandlers;
87
88         /* Display state */
89         osso_display_state_t display_state;
90 };
91 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
92                                                                           MODEST_TYPE_HEADER_WINDOW, \
93                                                                           ModestHeaderWindowPrivate))
94
95 /* 'private'/'protected' functions */
96 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
97 static void modest_header_window_init        (ModestHeaderWindow *obj);
98 static void modest_header_window_finalize    (GObject *obj);
99
100 static void connect_signals (ModestHeaderWindow *self);
101 static void modest_header_window_disconnect_signals (ModestWindow *self);
102
103 static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
104 static void add_to_menu (ModestHeaderWindow *self,
105                          HildonAppMenu *menu,
106                          gchar *label,
107                          GCallback callback);
108 static void setup_menu (ModestHeaderWindow *self);
109 static GtkWidget *create_empty_view (void);
110 static GtkWidget *create_header_view (ModestWindow *progress_window,
111                                       TnyFolder *folder);
112
113 static void update_view (ModestHeaderWindow *self,
114                          TnyFolderChange *change);
115 static void set_contents_state (ModestHeaderWindow *window, 
116                                 ContentsState state);
117
118 static void on_msg_count_changed (ModestHeaderView *header_view,
119                                   TnyFolder *folder,
120                                   TnyFolderChange *change,
121                                   ModestHeaderWindow *header_window);
122 static void on_header_activated (ModestHeaderView *header_view,
123                                  TnyHeader *header,
124                                  GtkTreePath *path,
125                                  ModestHeaderWindow *header_window);
126 static void on_updating_msg_list (ModestHeaderView *header_view,
127                                   gboolean starting,
128                                   gpointer user_data);
129 static void set_edit_mode (ModestHeaderWindow *self,
130                            EditModeCommand command);
131 static void edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
132                                          ModestHeaderWindow *self);
133 static void edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
134                                         ModestHeaderWindow *self);
135 static void set_delete_edit_mode (GtkButton *button,
136                                   ModestHeaderWindow *self);
137 static void set_moveto_edit_mode (GtkButton *button,
138                                   ModestHeaderWindow *self);
139
140 /* globals */
141 static GtkWindowClass *parent_class = NULL;
142
143 #define EMPTYVIEW_XALIGN 0.5
144 #define EMPTYVIEW_YALIGN 0.0
145 #define EMPTYVIEW_XSPACE 1.0
146 #define EMPTYVIEW_YSPACE 0.0
147
148
149
150 /************************************************************************/
151
152 GType
153 modest_header_window_get_type (void)
154 {
155         static GType my_type = 0;
156         if (!my_type) {
157                 static const GTypeInfo my_info = {
158                         sizeof(ModestHeaderWindowClass),
159                         NULL,           /* base init */
160                         NULL,           /* base finalize */
161                         (GClassInitFunc) modest_header_window_class_init,
162                         NULL,           /* class finalize */
163                         NULL,           /* class data */
164                         sizeof(ModestHeaderWindow),
165                         1,              /* n_preallocs */
166                         (GInstanceInitFunc) modest_header_window_init,
167                         NULL
168                 };
169                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
170                                                   "ModestHeaderWindow",
171                                                   &my_info, 0);
172         }
173         return my_type;
174 }
175
176 static void
177 modest_header_window_class_init (ModestHeaderWindowClass *klass)
178 {
179         GObjectClass *gobject_class;
180         gobject_class = (GObjectClass*) klass;
181         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
182
183         parent_class            = g_type_class_peek_parent (klass);
184         gobject_class->finalize = modest_header_window_finalize;
185
186         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
187         
188         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
189         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
190         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
191 }
192
193 static void
194 modest_header_window_init (ModestHeaderWindow *obj)
195 {
196         ModestHeaderWindowPrivate *priv;
197
198         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
199
200         priv->sighandlers = NULL;
201         priv->display_state = OSSO_DISPLAY_ON;
202         
203         priv->header_view = NULL;
204         priv->empty_view = NULL;
205         priv->top_vbox = NULL;
206         priv->edit_mode = FALSE;
207         priv->edit_command = EDIT_MODE_COMMAND_NONE;
208         priv->edit_toolbar = NULL;
209         priv->contents_view = NULL;
210         priv->contents_state = CONTENTS_STATE_NONE;
211         priv->folder = NULL;
212         priv->updating_banner = NULL;
213         priv->updating_banner_timeout = 0;
214         
215         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
216                                             GTK_WINDOW(obj),
217                                             "applications_email_headerview");
218 }
219
220 static void
221 modest_header_window_finalize (GObject *obj)
222 {
223         ModestHeaderWindowPrivate *priv;
224
225         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
226
227         g_object_unref (priv->header_view);
228         g_object_unref (priv->empty_view);
229         g_object_unref (priv->folder);
230
231         /* Sanity check: shouldn't be needed, the window mgr should
232            call this function before */
233         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));  
234
235         if (priv->updating_banner_timeout > 0) {
236                 g_source_remove (priv->updating_banner_timeout);
237                 priv->updating_banner_timeout = 0;
238         }
239         if (priv->updating_banner) {
240                 gtk_widget_destroy (priv->updating_banner);
241                 priv->updating_banner = NULL;
242         }
243
244         G_OBJECT_CLASS(parent_class)->finalize (obj);
245 }
246
247 static void
248 modest_header_window_disconnect_signals (ModestWindow *self)
249 {       
250         ModestHeaderWindowPrivate *priv;        
251         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
252
253         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
254         priv->sighandlers = NULL;       
255 }
256
257 static void
258 connect_signals (ModestHeaderWindow *self)
259 {       
260         ModestHeaderWindowPrivate *priv;
261         
262         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
263
264         /* header view */
265
266         priv->sighandlers = 
267                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view), 
268                                            "msg_count_changed",
269                                            G_CALLBACK(on_msg_count_changed), self);
270         priv->sighandlers =
271                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
272                                            "header-activated",
273                                            G_CALLBACK (on_header_activated), self);
274         priv->sighandlers = 
275                 modest_signal_mgr_connect (priv->sighandlers,
276                                            G_OBJECT (priv->header_view), 
277                                            "updating-msg-list",
278                                            G_CALLBACK (on_updating_msg_list), 
279                                            self);
280         
281         /* TODO: connect header view activate */
282
283         /* window */
284
285         /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
286          * in destroy stage */
287
288         
289 }
290
291 static void 
292 osso_display_event_cb (osso_display_state_t state, 
293                        gpointer data)
294 {
295         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
296
297         priv->display_state = state;
298
299         /* Stop blinking if the screen becomes on */
300         if (priv->display_state == OSSO_DISPLAY_ON)
301                 modest_platform_remove_new_mail_notifications (TRUE);
302 }
303
304 static GtkWidget *
305 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
306 {
307         GtkWidget *header_view;
308
309         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
310         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder, 
311                                        TRUE, progress_window, NULL, NULL);
312         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
313                                       MODEST_CONF_HEADER_VIEW_KEY);
314
315         return header_view;
316 }
317
318 static GtkWidget *
319 create_empty_view (void)
320 {
321         GtkLabel *label = NULL;
322         GtkWidget *align = NULL;
323
324         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
325         label = GTK_LABEL(gtk_label_new (_("mcen_ia_nomessages")));
326         gtk_label_set_justify (label, GTK_JUSTIFY_CENTER);      
327         gtk_container_add (GTK_CONTAINER (align), GTK_WIDGET(label));
328
329         return GTK_WIDGET(align);
330 }
331
332
333 ModestWindow *
334 modest_header_window_new (TnyFolder *folder)
335 {
336         ModestHeaderWindow *self = NULL;        
337         ModestHeaderWindowPrivate *priv = NULL;
338         HildonProgram *app;
339         GdkPixbuf *window_icon;
340         
341         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
342         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
343
344         priv->folder = g_object_ref (folder);
345
346         priv->contents_view = hildon_pannable_area_new ();
347
348         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
349         priv->empty_view = create_empty_view ();
350         g_object_ref (priv->header_view);
351         g_object_ref (priv->empty_view);
352         setup_menu (self);
353
354         priv->top_vbox = gtk_vbox_new (FALSE, 0);
355         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
356
357         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
358
359         gtk_widget_show (priv->contents_view);
360         gtk_widget_show (priv->top_vbox);
361
362         connect_signals (MODEST_HEADER_WINDOW (self));
363
364         update_view (self, NULL);
365
366         /* Load previous osso state, for instance if we are being restored from 
367          * hibernation:  */
368         modest_osso_load_state ();
369
370         /* Get device name */
371         modest_maemo_utils_get_device_name ();
372
373         app = hildon_program_get_instance ();
374         hildon_program_add_window (app, HILDON_WINDOW (self));
375         
376         /* Set window icon */
377         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
378         if (window_icon) {
379                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
380                 g_object_unref (window_icon);
381         }
382
383         /* Listen for changes in the screen, we don't want to show a
384            led pattern when the display is on for example */
385         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
386                                       osso_display_event_cb,
387                                       self); 
388
389         /* Dont't restore settings here, 
390          * because it requires a gtk_widget_show(), 
391          * and we don't want to do that until later,
392          * so that the UI is not visible for non-menu D-Bus activation.
393          */
394
395         return MODEST_WINDOW(self);
396 }
397
398 static gboolean
399 on_zoom_minus_plus_not_implemented (ModestWindow *window)
400 {
401         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
402
403         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
404         return FALSE;
405
406 }
407
408 gboolean
409 modest_header_window_screen_is_on (ModestHeaderWindow *self)
410 {
411         ModestHeaderWindowPrivate *priv = NULL;
412
413         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
414
415         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
416         
417         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
418 }
419
420 ModestHeaderView *
421 modest_header_window_get_header_view (ModestHeaderWindow *self)
422 {
423         ModestHeaderWindowPrivate *priv = NULL;
424
425         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
426
427         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
428         
429         return MODEST_HEADER_VIEW (priv->header_view);
430 }
431
432 static void add_to_menu (ModestHeaderWindow *self,
433                          HildonAppMenu *menu,
434                          gchar *label,
435                          GCallback callback)
436 {
437         GtkWidget *button;
438
439         button = gtk_button_new_with_label (label);
440         g_signal_connect_after (G_OBJECT (button), "clicked",
441                                 callback, (gpointer) self);
442         hildon_app_menu_append (menu, GTK_BUTTON (button));
443 }
444
445 static void setup_menu (ModestHeaderWindow *self)
446 {
447         ModestHeaderWindowPrivate *priv = NULL;
448         GtkWidget *app_menu;
449
450         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
451
452         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
453
454         app_menu = hildon_app_menu_new ();
455
456         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_viewer_newemail"),
457                      G_CALLBACK (modest_ui_actions_on_new_msg));
458         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
459                      G_CALLBACK (modest_ui_actions_on_send_receive));
460         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_messagedetails"),
461                      G_CALLBACK (modest_ui_actions_on_details));
462         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sort"),
463                      G_CALLBACK (modest_ui_actions_on_sort));
464         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_delete"),
465                      G_CALLBACK (set_delete_edit_mode));
466         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_moveto"),
467                      G_CALLBACK (set_moveto_edit_mode));
468
469         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self), 
470                                                HILDON_APP_MENU (app_menu));
471 }
472
473 static void 
474 update_view (ModestHeaderWindow *self,
475              TnyFolderChange *change)
476 {
477         ModestHeaderWindowPrivate *priv = NULL;
478         gboolean refilter = FALSE;
479         gboolean folder_empty = FALSE;
480         gboolean all_marked_as_deleted = FALSE;
481
482         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
483         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
484         g_return_if_fail (priv->folder);
485
486         if (change != NULL) {
487                 TnyFolderChangeChanged changed;
488
489                 changed = tny_folder_change_get_changed (change);
490                 /* If something changes */
491                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
492                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
493                 else
494                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
495
496                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
497                         refilter = TRUE;
498         } else {
499                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
500         }
501
502         /* Check if all messages are marked to be deleted */
503         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
504         folder_empty = folder_empty || all_marked_as_deleted;
505
506         /* Set style of headers view */
507         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
508
509         if (refilter)
510                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
511 }
512
513 static void 
514 set_contents_state (ModestHeaderWindow *self, 
515                     ContentsState state)
516 {
517         ModestHeaderWindowPrivate *priv = NULL;
518
519         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
520         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
521
522         if (priv->contents_state == state)
523                 return;
524
525         /* Remove from container the old content */
526         switch (priv->contents_state) {
527         case CONTENTS_STATE_EMPTY:
528                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
529                 break;
530         case CONTENTS_STATE_HEADERS:
531                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
532                 break;
533         case CONTENTS_STATE_NONE:
534                 break;
535         }
536
537         /* Add the new content */
538         switch (state) {
539         case CONTENTS_STATE_EMPTY:
540                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
541                 gtk_widget_show (priv->empty_view);
542                 break;
543         case CONTENTS_STATE_HEADERS:
544                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
545                 gtk_widget_show (priv->header_view);
546                 break;
547         case CONTENTS_STATE_NONE:
548                 break;
549         }
550         priv->contents_state = state;
551         
552 }
553
554 static void
555 on_msg_count_changed (ModestHeaderView *header_view,
556                       TnyFolder *folder,
557                       TnyFolderChange *change,
558                       ModestHeaderWindow *header_window)
559 {       
560         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
561         
562         update_view (MODEST_HEADER_WINDOW (header_window), change);
563 }
564
565 static void 
566 on_header_activated (ModestHeaderView *header_view,
567                      TnyHeader *header,
568                      GtkTreePath *path,
569                      ModestHeaderWindow *header_window)
570 {
571         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
572 }
573
574 static void
575 updating_banner_destroyed (gpointer data,
576                            GObject *where_the_object_was)
577 {
578         ModestHeaderWindowPrivate *priv = NULL;
579
580         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
581
582         priv->updating_banner = NULL;
583 }
584
585 static gboolean
586 show_updating_banner (gpointer user_data)
587 {
588         ModestHeaderWindowPrivate *priv = NULL;
589
590         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
591
592         if (priv->updating_banner == NULL) {
593
594                 /* We're outside the main lock */
595                 gdk_threads_enter ();
596                 priv->updating_banner = 
597                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
598                                                           _CS ("ckdg_pb_updating"));
599
600                 /* We need this because banners in Maemo could be
601                    destroyed by dialogs so we need to properly update
602                    our reference to it */
603                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
604                                    updating_banner_destroyed,
605                                    user_data);
606                 gdk_threads_leave ();
607         }
608
609         /* Remove timeout */
610         priv->updating_banner_timeout = 0;
611         return FALSE;
612 }
613
614 /**
615  * We use this function to show/hide a progress banner showing
616  * "Updating" while the header view is being filled. We're not showing
617  * it unless the update takes more than 2 seconds
618  *
619  * If starting = TRUE then the refresh is starting, otherwise it means
620  * that is has just finished
621  */
622 static void 
623 on_updating_msg_list (ModestHeaderView *header_view,
624                       gboolean starting,
625                       gpointer user_data)
626 {
627         ModestHeaderWindowPrivate *priv = NULL;
628
629         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
630         
631         /* Remove old timeout */
632         if (priv->updating_banner_timeout > 0) {
633                 g_source_remove (priv->updating_banner_timeout);
634                 priv->updating_banner_timeout = 0;
635         }
636
637         /* Create a new timeout */
638         if (starting) {
639                 priv->updating_banner_timeout = 
640                         g_timeout_add (2000, show_updating_banner, user_data);
641         } else {
642                 /* Remove the banner if exists */
643                 if (priv->updating_banner) {
644                         gtk_widget_destroy (priv->updating_banner);
645                         priv->updating_banner = NULL;
646                 }
647         }
648 }
649
650 static void
651 set_edit_mode (ModestHeaderWindow *self,
652                EditModeCommand command)
653 {
654         ModestHeaderWindowPrivate *priv;
655
656         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
657         if (priv->edit_toolbar) {
658                 gtk_widget_destroy (priv->edit_toolbar);
659                 priv->edit_toolbar = NULL;
660         }
661
662         if (command == EDIT_MODE_COMMAND_NONE) {
663                 if (priv->edit_mode) {
664                         priv->edit_mode = FALSE;
665                         priv->edit_command = command;
666                         g_object_set (G_OBJECT (priv->header_view), 
667                                       "hildon-ui-mode", HILDON_UI_MODE_NORMAL, 
668                                       NULL);
669                         gtk_widget_queue_resize (priv->header_view);
670                         gtk_window_unfullscreen (GTK_WINDOW (self));
671                 }
672         } else {
673                 if (!priv->edit_mode) {
674                         GtkTreeSelection *selection;
675
676                         g_object_set (G_OBJECT (priv->header_view),
677                                       "hildon-ui-mode", HILDON_UI_MODE_EDIT,
678                                       NULL);
679                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
680                         gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
681
682                         priv->edit_mode = TRUE;
683                         priv->edit_command = command;
684
685                         /* Setup toolbar */
686                         priv->edit_toolbar = hildon_edit_toolbar_new ();
687                         switch (command) {
688                         case EDIT_MODE_COMMAND_DELETE:
689                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
690                                                                _("TODO: Select messages to delete"));
691                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
692                                                                       _("TODO: Delete"));
693                                 break;
694                         case EDIT_MODE_COMMAND_MOVE:
695                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
696                                                                _("TODO: Select messages to move"));
697                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
698                                                                       _("TODO: Move"));
699                                 break;
700                         case EDIT_MODE_COMMAND_NONE:
701                                 g_assert ("Shouldn't reach");
702                         }
703                         gtk_box_pack_start (GTK_BOX (priv->top_vbox), priv->edit_toolbar, FALSE, FALSE, 0);
704                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "button-clicked",
705                                           G_CALLBACK (edit_toolbar_button_clicked), (gpointer) self);
706                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "arrow-clicked",
707                                           G_CALLBACK (edit_toolbar_arrow_clicked), (gpointer) self);
708                         gtk_widget_show (priv->edit_toolbar);
709
710                         gtk_widget_queue_resize (priv->header_view);
711                         gtk_window_fullscreen (GTK_WINDOW (self));
712                 }
713         }
714 }
715
716 static void
717 edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
718                              ModestHeaderWindow *self)
719 {
720         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
721 }
722
723 static void
724 edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
725                             ModestHeaderWindow *self)
726 {
727         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
728 }
729
730 static void
731 set_delete_edit_mode (GtkButton *button,
732                       ModestHeaderWindow *self)
733 {
734         set_edit_mode (self, EDIT_MODE_COMMAND_DELETE);
735 }
736
737 static void
738 set_moveto_edit_mode (GtkButton *button,
739                     ModestHeaderWindow *self)
740 {
741         set_edit_mode (self, EDIT_MODE_COMMAND_MOVE);
742 }