79d44ce25b1af38129c50aa9234a84f6fc3a79f5
[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 <hildon/hildon-pannable-area.h>
32 #include <hildon/hildon-helper.h>
33 #include <modest-window-mgr.h>
34 #include <modest-window-priv.h>
35 #include <modest-signal-mgr.h>
36 #include <modest-runtime.h>
37 #include <modest-platform.h>
38 #include <modest-maemo-utils.h>
39 #include <modest-icon-names.h>
40 #include <modest-ui-constants.h>
41 #include <modest-account-mgr.h>
42 #include <modest-account-mgr-helpers.h>
43 #include <modest-defs.h>
44 #include <modest-widget-memory.h>
45 #include <modest-ui-actions.h>
46 #include <modest-platform.h>
47 #include <modest-text-utils.h>
48 #include <hildon/hildon-button.h>
49 #include <hildon/hildon-program.h>
50 #include <hildon/hildon-banner.h>
51 #include <modest-ui-dimming-rules.h>
52 #include <modest-tny-folder.h>
53 #include <modest-tny-account.h>
54 #include <tny-simple-list.h>
55
56 #define SHOW_LATEST_SIZE 250
57
58 typedef enum {
59         CONTENTS_STATE_NONE = 0,
60         CONTENTS_STATE_EMPTY = 1,
61         CONTENTS_STATE_HEADERS = 2
62 } ContentsState;
63
64 typedef enum {
65         EDIT_MODE_COMMAND_MOVE = 1,
66         EDIT_MODE_COMMAND_DELETE = 2,
67 } EditModeCommand;
68
69 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
70 struct _ModestHeaderWindowPrivate {
71
72         GtkWidget *header_view;
73         GtkWidget *empty_view;
74         GtkWidget *contents_view;
75         GtkWidget *top_vbox;
76         GtkWidget *new_message_button;
77         GtkWidget *show_more_button;
78         GtkWidget *show_more_button2;
79
80         /* state bar */
81         ContentsState contents_state;
82
83         /* autoscroll */
84         gboolean autoscroll;
85
86         /* banners */
87         GtkWidget *updating_banner;
88         guint updating_banner_timeout;
89
90         /* signals */
91         GSList *sighandlers;
92         gulong queue_change_handler;
93         gulong sort_column_handler;
94         gulong notify_model;
95
96         /* progress hint */
97         gboolean progress_hint;
98         gchar *current_store_account;
99
100         /* sort button */
101         GtkWidget *sort_button;
102
103         /* CSM menu */
104         GtkWidget *csm_menu;
105         gdouble x_coord;
106         gdouble y_coord;
107
108         /* weak refs */
109         GtkTreeModel *model_weak_ref;
110 };
111 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
112                                                                           MODEST_TYPE_HEADER_WINDOW, \
113                                                                           ModestHeaderWindowPrivate))
114
115 /* 'private'/'protected' functions */
116 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
117 static void modest_header_window_init        (ModestHeaderWindow *obj);
118 static void modest_header_window_finalize    (GObject *obj);
119 static void modest_header_window_dispose     (GObject *obj);
120
121 static void connect_signals (ModestHeaderWindow *self);
122 static void modest_header_window_disconnect_signals (ModestWindow *self);
123
124 static void setup_menu (ModestHeaderWindow *self);
125 static GtkWidget *create_empty_view (ModestWindow *self);
126 static GtkWidget *create_header_view (ModestWindow *progress_window,
127                                       TnyFolder *folder);
128
129 static void update_view (ModestHeaderWindow *self,
130                          TnyFolderChange *change);
131 static void set_contents_state (ModestHeaderWindow *window,
132                                 ContentsState state);
133
134 static void on_msg_count_changed (ModestHeaderView *header_view,
135                                   TnyFolder *folder,
136                                   TnyFolderChange *change,
137                                   ModestHeaderWindow *header_window);
138 static void on_header_activated (ModestHeaderView *header_view,
139                                  TnyHeader *header,
140                                  GtkTreePath *path,
141                                  ModestHeaderWindow *header_window);
142 static void on_updating_msg_list (ModestHeaderView *header_view,
143                                   gboolean starting,
144                                   gpointer user_data);
145 static void set_delete_edit_mode (GtkButton *button,
146                                   ModestHeaderWindow *self);
147 static void set_moveto_edit_mode (GtkButton *button,
148                                   ModestHeaderWindow *self);
149 static gboolean on_expose_event(GtkTreeView *header_view,
150                                 GdkEventExpose *event,
151                                 gpointer user_data);
152 static gboolean on_map_event (GtkWidget *widget,
153                               GdkEvent *event,
154                               gpointer userdata);
155 static void on_vertical_movement (HildonPannableArea *area,
156                                   HildonMovementDirection direction,
157                                   gdouble x, gdouble y, gpointer user_data);
158 static void on_queue_changed    (ModestMailOperationQueue *queue,
159                                  ModestMailOperation *mail_op,
160                                  ModestMailOperationQueueNotification type,
161                                  ModestHeaderWindow *self);
162 static void modest_header_window_pack_toolbar (ModestHildon2Window *self,
163                                                GtkPackType pack_type,
164                                                GtkWidget *toolbar);
165 static void edit_mode_changed (ModestHeaderWindow *header_window,
166                                gint edit_mode_id,
167                                gboolean enabled,
168                                ModestHeaderWindow *self);
169 static void on_progress_list_changed (ModestWindowMgr *mgr,
170                                       ModestHeaderWindow *self);
171 static void update_progress_hint (ModestHeaderWindow *self);
172 static void on_sort_column_changed (GtkTreeSortable *treesortable,
173                                     gpointer         user_data);
174 static void update_sort_button (ModestHeaderWindow *self);
175 static void on_horizontal_movement (HildonPannableArea *hildonpannable,
176                                     gint                direction,
177                                     gdouble             initial_x,
178                                     gdouble             initial_y,
179                                     gpointer            user_data);
180 static void on_header_view_model_destroyed (gpointer user_data,
181                                             GObject *model);
182 static gboolean on_key_press(GtkWidget *widget,
183                                         GdkEventKey *event,
184                                         gpointer user_data);
185 static void modest_header_window_show_more (GtkAction *action, ModestWindow *win);
186
187 /* globals */
188 static GtkWindowClass *parent_class = NULL;
189
190 #define EMPTYVIEW_XALIGN 0.5
191 #define EMPTYVIEW_YALIGN 0.5
192 #define EMPTYVIEW_XSPACE 1.0
193 #define EMPTYVIEW_YSPACE 1.0
194
195
196
197 /************************************************************************/
198
199 GType
200 modest_header_window_get_type (void)
201 {
202         static GType my_type = 0;
203         if (!my_type) {
204                 static const GTypeInfo my_info = {
205                         sizeof(ModestHeaderWindowClass),
206                         NULL,           /* base init */
207                         NULL,           /* base finalize */
208                         (GClassInitFunc) modest_header_window_class_init,
209                         NULL,           /* class finalize */
210                         NULL,           /* class data */
211                         sizeof(ModestHeaderWindow),
212                         1,              /* n_preallocs */
213                         (GInstanceInitFunc) modest_header_window_init,
214                         NULL
215                 };
216                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
217                                                   "ModestHeaderWindow",
218                                                   &my_info, 0);
219         }
220         return my_type;
221 }
222
223 static void
224 modest_header_window_class_init (ModestHeaderWindowClass *klass)
225 {
226         GObjectClass *gobject_class;
227         gobject_class = (GObjectClass*) klass;
228         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
229         ModestHildon2WindowClass *modest_hildon2_window_class = (ModestHildon2WindowClass *) klass;
230
231         parent_class            = g_type_class_peek_parent (klass);
232         gobject_class->finalize = modest_header_window_finalize;
233         gobject_class->dispose = modest_header_window_dispose;
234
235         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
236         
237         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
238         modest_hildon2_window_class->pack_toolbar_func = modest_header_window_pack_toolbar;
239 }
240
241 static void
242 modest_header_window_init (ModestHeaderWindow *obj)
243 {
244         ModestHeaderWindowPrivate *priv;
245
246         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
247
248         priv->sighandlers = NULL;
249
250         priv->header_view = NULL;
251         priv->empty_view = NULL;
252         priv->top_vbox = NULL;
253         priv->contents_view = NULL;
254         priv->contents_state = CONTENTS_STATE_NONE;
255         priv->updating_banner = NULL;
256         priv->updating_banner_timeout = 0;
257         priv->autoscroll = TRUE;
258         priv->progress_hint = FALSE;
259         priv->queue_change_handler = 0;
260         priv->sort_column_handler = 0;
261         priv->model_weak_ref = NULL;
262         priv->current_store_account = NULL;
263         priv->sort_button = NULL;
264         priv->new_message_button = NULL;
265         priv->show_more_button = NULL;
266         priv->show_more_button2 = NULL;
267         priv->x_coord = 0;
268         priv->y_coord = 0;
269         priv->notify_model = 0;
270
271         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
272                                             GTK_WINDOW(obj),
273                                             "applications_email_headerview");
274 }
275
276 static void
277 modest_header_window_dispose (GObject *obj)
278 {
279         ModestHeaderWindowPrivate *priv;
280         TnyFolder *folder;
281
282         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
283
284         folder = modest_header_view_get_folder ((ModestHeaderView *) priv->header_view);
285         if (folder) {
286                 tny_folder_sync_async (folder, FALSE, NULL, NULL, NULL);
287                 g_object_unref (folder);
288         }
289
290         G_OBJECT_CLASS(parent_class)->dispose (obj);
291 }
292
293 static void
294 modest_header_window_finalize (GObject *obj)
295 {
296         ModestHeaderWindowPrivate *priv;
297
298         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
299
300         if (priv->model_weak_ref) {
301                 g_object_weak_unref ((GObject *) priv->model_weak_ref,
302                                      on_header_view_model_destroyed,
303                                      obj);
304                 if (g_signal_handler_is_connected (G_OBJECT (priv->model_weak_ref),
305                                                    priv->sort_column_handler)) {
306                         g_signal_handler_disconnect (G_OBJECT (priv->model_weak_ref),
307                                                      priv->sort_column_handler);
308                 }
309                 on_header_view_model_destroyed (obj, (GObject *) priv->model_weak_ref);
310         }
311
312         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
313
314         g_object_unref (priv->header_view);
315         g_object_unref (priv->empty_view);
316
317         if (priv->current_store_account) {
318                 g_free (priv->current_store_account);
319                 priv->current_store_account = NULL;
320         }
321
322         if (priv->updating_banner_timeout > 0) {
323                 g_source_remove (priv->updating_banner_timeout);
324                 priv->updating_banner_timeout = 0;
325         }
326         if (priv->updating_banner) {
327                 gtk_widget_destroy (priv->updating_banner);
328                 priv->updating_banner = NULL;
329         }
330
331         G_OBJECT_CLASS(parent_class)->finalize (obj);
332 }
333
334 static void
335 modest_header_window_disconnect_signals (ModestWindow *self)
336 {
337         ModestHeaderWindowPrivate *priv;
338
339         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
340
341         if (g_signal_handler_is_connected ((GObject*) priv->header_view, priv->notify_model)) {
342                 g_signal_handler_disconnect ((GObject*) priv->header_view, priv->notify_model);
343                 priv->notify_model = 0;
344         }
345
346         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
347                                            priv->queue_change_handler)) {
348                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
349                                              priv->queue_change_handler);
350                 priv->queue_change_handler = 0;
351         }
352
353         if (priv->header_view) {
354                 GtkTreeModel *sortable;
355
356                 sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->header_view));
357                 if (sortable) {
358                         if (g_signal_handler_is_connected (G_OBJECT (sortable),
359                                                            priv->sort_column_handler)) {
360                                 g_signal_handler_disconnect (G_OBJECT (sortable),
361                                                              priv->sort_column_handler);
362                                 priv->sort_column_handler = 0;
363                         }
364                 }
365         }
366
367         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
368         priv->sighandlers = NULL;
369
370 }
371
372 static void
373 connect_signals (ModestHeaderWindow *self)
374 {
375         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
376
377         /* header view */
378
379         priv->sighandlers = 
380                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view), 
381                                            "msg_count_changed",
382                                            G_CALLBACK(on_msg_count_changed), self);
383         priv->sighandlers =
384                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
385                                            "header-activated",
386                                            G_CALLBACK (on_header_activated), self);
387         priv->sighandlers = 
388                 modest_signal_mgr_connect (priv->sighandlers,
389                                            G_OBJECT (priv->header_view), 
390                                            "updating-msg-list",
391                                            G_CALLBACK (on_updating_msg_list), 
392                                            self);
393         priv->sighandlers =
394                 modest_signal_mgr_connect (priv->sighandlers,
395                                            G_OBJECT (priv->header_view),
396                                            "expose-event",
397                                            G_CALLBACK (on_expose_event),
398                                            self);
399
400         priv->sighandlers =
401                 modest_signal_mgr_connect (priv->sighandlers,
402                                            G_OBJECT (self),
403                                            "map-event",
404                                            G_CALLBACK (on_map_event),
405                                            self);
406
407         priv->sighandlers =
408                 modest_signal_mgr_connect (priv->sighandlers,
409                                            G_OBJECT (priv->contents_view), 
410                                            "vertical-movement", 
411                                            G_CALLBACK (on_vertical_movement), 
412                                            self);
413
414         /* Mail Operation Queue */
415         priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
416                                                        G_OBJECT (modest_runtime_get_window_mgr ()),
417                                                        "progress-list-changed",
418                                                        G_CALLBACK (on_progress_list_changed), self);
419         priv->sighandlers =
420                 modest_signal_mgr_connect (priv->sighandlers,
421                                            G_OBJECT (priv->new_message_button),
422                                            "clicked",
423                                            G_CALLBACK (modest_ui_actions_on_new_msg), self);
424
425         priv->sighandlers =
426                 modest_signal_mgr_connect (priv->sighandlers,
427                                            G_OBJECT (priv->show_more_button),
428                                            "clicked",
429                                            G_CALLBACK (modest_header_window_show_more), self);
430
431         priv->sighandlers =
432                 modest_signal_mgr_connect (priv->sighandlers,
433                                            G_OBJECT (priv->show_more_button2),
434                                            "clicked",
435                                            G_CALLBACK (modest_header_window_show_more), self);
436
437         /* Delete using horizontal gesture */
438         /* DISABLED because it's unreliabile */
439         if (FALSE) {
440                 priv->sighandlers =
441                         modest_signal_mgr_connect (priv->sighandlers,
442                                                    (GObject *) priv->contents_view,
443                                                    "horizontal-movement",
444                                                    G_CALLBACK (on_horizontal_movement),
445                                                    self);
446         }
447
448
449         g_signal_connect(G_OBJECT(self), "key-press-event",
450                         G_CALLBACK(on_key_press), self);
451 }
452
453 static void
454 folder_refreshed_cb (ModestMailOperation *mail_op,
455                      TnyFolder *folder,
456                      gpointer user_data)
457 {
458         /* Update the view (folder could be empty) */
459         update_view (MODEST_HEADER_WINDOW (user_data), NULL);
460 }
461
462 static gboolean
463 tap_and_hold_query_cb (GtkWidget *header_view,
464                        GdkEvent *event,
465                        gpointer user_data)
466 {
467         ModestHeaderWindow *self;
468         ModestHeaderWindowPrivate *priv;
469
470         self = (ModestHeaderWindow *) user_data;
471         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
472
473         if (event->type == GDK_BUTTON_PRESS) {
474                 TnyHeader *header;
475
476                 priv->x_coord = ((GdkEventButton*)event)->x;
477                 priv->y_coord = ((GdkEventButton*)event)->y;
478
479                 /* Enable/Disable mark as (un)read */
480                 header = modest_header_view_get_header_at_pos ((ModestHeaderView *) header_view,
481                                                                priv->x_coord, priv->y_coord);
482                 if (header) {
483                         GList *children;
484                         GtkWidget *mark_read_item, *mark_unread_item;
485
486                         /* Show "mark as read" or "mark as unread" */
487                         children = gtk_container_get_children (GTK_CONTAINER (priv->csm_menu));
488                         mark_read_item = (GtkWidget *) g_list_nth_data (children, 1);
489                         mark_unread_item = (GtkWidget *) g_list_nth_data (children, 2);
490
491                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN) {
492                                 gtk_widget_show (mark_unread_item);
493                                 gtk_widget_hide (mark_read_item);
494                         } else {
495                                 gtk_widget_show (mark_read_item);
496                                 gtk_widget_hide (mark_unread_item);
497                         }
498                         g_object_unref (header);
499                 } else {
500                         /* Do not show the CSM if there is no header below */
501                         return TRUE;
502                 }
503         }
504
505         return FALSE;
506 }
507
508 static void
509 delete_header (GtkWindow *parent,
510                TnyHeader *header)
511 {
512         gint response;
513         gchar *subject, *msg;
514
515         subject = tny_header_dup_subject (header);
516         if (!subject)
517                 subject = g_strdup (_("mail_va_no_subject"));
518
519         msg = g_strdup_printf (ngettext("emev_nc_delete_message", "emev_nc_delete_messages", 1),
520                                subject);
521         g_free (subject);
522
523         /* Confirmation dialog */
524         response = modest_platform_run_confirmation_dialog (parent, msg);
525         g_free (msg);
526
527         if (response == GTK_RESPONSE_OK) {
528                 ModestMailOperation *mail_op;
529                 TnyList *header_list;
530
531                 header_list = tny_simple_list_new ();
532                 tny_list_append (header_list, (GObject *) header);
533                 mail_op = modest_mail_operation_new ((GObject *) parent);
534                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
535                                                  mail_op);
536                 modest_mail_operation_remove_msgs (mail_op, header_list, FALSE);
537                 g_object_unref (mail_op);
538                 g_object_unref (header_list);
539         }
540 }
541
542
543 static void
544 on_delete_csm_activated (GtkMenuItem *item,
545                          gpointer user_data)
546 {
547         TnyHeader *header;
548         ModestHeaderWindow *self;
549         ModestHeaderWindowPrivate *priv;
550
551         self = (ModestHeaderWindow *) user_data;
552         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
553
554         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
555                                                        priv->x_coord, priv->y_coord);
556         if (header) {
557                 delete_header ((GtkWindow *) self, header);
558                 g_object_unref (header);
559         }
560 }
561
562 static void
563 on_mark_read_csm_activated (GtkMenuItem *item,
564                             gpointer user_data)
565 {
566         TnyHeader *header;
567         ModestHeaderWindow *self;
568         ModestHeaderWindowPrivate *priv;
569
570         self = (ModestHeaderWindow *) user_data;
571         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
572
573         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
574                                                        priv->x_coord, priv->y_coord);
575
576         if (header) {
577                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
578                 g_object_unref (header);
579         }
580 }
581
582 static void
583 on_mark_unread_csm_activated (GtkMenuItem *item,
584                               gpointer user_data)
585 {
586         TnyHeader *header;
587         ModestHeaderWindow *self;
588         ModestHeaderWindowPrivate *priv;
589
590         self = (ModestHeaderWindow *) user_data;
591         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
592
593         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
594                                                        priv->x_coord, priv->y_coord);
595
596         if (header) {
597                 tny_header_unset_flag (header, TNY_HEADER_FLAG_SEEN);
598                 g_object_unref (header);
599         }
600 }
601
602 static void
603 on_header_view_model_destroyed (gpointer user_data,
604                                 GObject *model)
605 {
606         ModestHeaderWindow *self;
607         ModestHeaderWindowPrivate *priv;
608
609         self = (ModestHeaderWindow *) user_data;
610         if (!GTK_IS_WIDGET (self))
611                 return;
612
613         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
614         priv->model_weak_ref = NULL;
615
616         priv->sort_column_handler = 0;
617 }
618
619 static void
620 on_header_view_model_changed (GObject *gobject,
621                               GParamSpec *arg1,
622                               gpointer user_data)
623 {
624         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
625         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
626         GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (gobject));
627
628         if (priv->model_weak_ref ) {
629                 g_object_weak_unref ((GObject *) priv->model_weak_ref,
630                                      on_header_view_model_destroyed,
631                                      self);
632                 if (g_signal_handler_is_connected (G_OBJECT (priv->model_weak_ref),
633                                                    priv->sort_column_handler)) {
634                         g_signal_handler_disconnect (G_OBJECT (priv->model_weak_ref),
635                                                      priv->sort_column_handler);
636                 }
637                 on_header_view_model_destroyed (self, (GObject *) priv->model_weak_ref);
638         }
639
640         if (!model)
641                 return;
642
643         /* Connect the signal. Listen to object destruction to disconnect it */
644         priv->sort_column_handler = g_signal_connect ((GObject *) model,
645                                                       "sort-column-changed",
646                                                       G_CALLBACK (on_sort_column_changed),
647                                                       self);
648         priv->model_weak_ref = model;
649         g_object_weak_ref ((GObject *) model, on_header_view_model_destroyed, self);
650 }
651
652 static GtkWidget *
653 create_header_view (ModestWindow *self, TnyFolder *folder)
654 {
655         GtkWidget *header_view;
656         GtkWidget *delete_item, *mark_read_item, *mark_unread_item;
657         ModestHeaderWindowPrivate *priv;
658         TnyAccount *account;
659         ModestProtocolType protocol_type;
660         gboolean limit_headers;
661
662         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
663
664         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
665
666         account = modest_tny_folder_get_account (folder);
667         limit_headers = FALSE;
668         if (account) {
669                 protocol_type = modest_tny_account_get_protocol_type (account);
670                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
671                                                                     protocol_type,
672                                                                     MODEST_PROTOCOL_REGISTRY_STORE_LIMIT_HEADER_WINDOW)) {
673                         limit_headers = TRUE;
674                 }
675         }
676         modest_header_view_set_show_latest (MODEST_HEADER_VIEW (header_view), limit_headers?SHOW_LATEST_SIZE:0);
677
678         priv->notify_model = g_signal_connect ((GObject*) header_view, "notify::model",
679                                                G_CALLBACK (on_header_view_model_changed), self);
680
681         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
682                                        TRUE, self, folder_refreshed_cb, self);
683         modest_header_view_set_filter (MODEST_HEADER_VIEW (header_view),
684                                        MODEST_HEADER_VIEW_FILTER_NONE);
685         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
686                                       MODEST_CONF_HEADER_VIEW_KEY);
687
688         /* Create CSM menu */
689         priv->csm_menu = gtk_menu_new ();
690         delete_item = gtk_menu_item_new_with_label (_HL("wdgt_bd_delete"));
691         mark_read_item = gtk_menu_item_new_with_label (_("mcen_me_inbox_mark_as_read"));
692         mark_unread_item = gtk_menu_item_new_with_label (_("mcen_me_inbox_mark_as_unread"));
693         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), delete_item);
694         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), mark_read_item);
695         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), mark_unread_item);
696         hildon_gtk_widget_set_theme_size (delete_item, MODEST_EDITABLE_SIZE);
697         hildon_gtk_widget_set_theme_size (mark_unread_item, MODEST_EDITABLE_SIZE);
698         hildon_gtk_widget_set_theme_size (mark_read_item, MODEST_EDITABLE_SIZE);
699         gtk_widget_show_all (priv->csm_menu);
700
701         /* Connect signals */
702         g_signal_connect ((GObject *) header_view, "tap-and-hold-query",
703                           G_CALLBACK (tap_and_hold_query_cb), self);
704         g_signal_connect ((GObject *) delete_item, "activate",
705                           G_CALLBACK (on_delete_csm_activated), self);
706         g_signal_connect ((GObject *) mark_read_item, "activate",
707                           G_CALLBACK (on_mark_read_csm_activated), self);
708         g_signal_connect ((GObject *) mark_unread_item, "activate",
709                           G_CALLBACK (on_mark_unread_csm_activated), self);
710
711         /* Add tap&hold handling */
712         gtk_widget_tap_and_hold_setup (header_view, priv->csm_menu, NULL, 0);
713
714         return header_view;
715 }
716
717 static GtkWidget *
718 create_empty_view (ModestWindow *self)
719 {
720         GtkWidget *viewport = NULL;
721         GtkWidget *label = NULL;
722         GtkWidget *align = NULL;
723         GtkWidget *vbox = NULL;
724         GtkWidget *hbox = NULL;
725         GtkWidget *button = NULL;
726         GdkPixbuf *new_message_pixbuf;
727         ModestHeaderWindowPrivate *priv;
728
729         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
730
731         vbox = gtk_vbox_new (0, FALSE);
732
733         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
734         label = gtk_label_new (_("mcen_ia_nomessages"));
735         hildon_helper_set_logical_font (label, "LargeSystemFont");
736         gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
737         gtk_widget_show (label);
738         gtk_widget_show (align);
739         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);  
740         gtk_container_add (GTK_CONTAINER (align), label);
741         gtk_box_pack_end (GTK_BOX (vbox), align, TRUE, TRUE, 0);
742
743         button = hildon_button_new (MODEST_EDITABLE_SIZE, 
744                                     HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
745
746         hildon_button_set_title (HILDON_BUTTON (button), _("mcen_ti_new_message"));
747         new_message_pixbuf = modest_platform_get_icon ("general_add", MODEST_ICON_SIZE_BIG);
748         hildon_button_set_image (HILDON_BUTTON (button), 
749                                  gtk_image_new_from_pixbuf (new_message_pixbuf));
750         g_object_unref (new_message_pixbuf);
751         gtk_widget_show_all (button);
752
753         priv->show_more_button2 = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_VERTICAL);
754         hildon_button_set_title (HILDON_BUTTON (priv->show_more_button2), _("mcen_va_more"));
755         gtk_widget_hide_all (priv->show_more_button2);
756
757         hbox = gtk_hbox_new (TRUE, 0);
758         gtk_widget_show (hbox);
759         gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
760         gtk_box_pack_start (GTK_BOX (hbox), priv->show_more_button2, TRUE, TRUE, 0);
761
762         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
763
764         gtk_widget_show (vbox);
765
766         g_signal_connect (button,
767                           "clicked",
768                           G_CALLBACK (modest_ui_actions_on_new_msg), self);
769
770         viewport = gtk_viewport_new ((GtkAdjustment *) gtk_adjustment_new (0, 0, 0, 0, 0, 0), 
771                                      (GtkAdjustment *) gtk_adjustment_new (0, 0, 0, 0, 0, 0));
772         gtk_container_add (GTK_CONTAINER (viewport), vbox);
773
774         return viewport;
775 }
776
777 static void
778 on_vertical_movement (HildonPannableArea *area,
779                       HildonMovementDirection direction,
780                       gdouble x, gdouble y, gpointer user_data)
781 {
782         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
783         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
784
785         priv->autoscroll = FALSE;
786 }
787
788
789 ModestWindow *
790 modest_header_window_new (TnyFolder *folder, const gchar *account_name, const gchar *mailbox)
791 {
792         ModestHeaderWindow *self = NULL;        
793         ModestHeaderWindowPrivate *priv = NULL;
794         HildonProgram *app;
795         GdkPixbuf *window_icon;
796         ModestAccountMgr *mgr;
797         ModestAccountSettings *settings = NULL;
798         ModestServerAccountSettings *store_settings = NULL;
799         GtkWidget *action_area_box;
800         GdkPixbuf *new_message_pixbuf;
801         GtkWidget *alignment;
802         gchar *account_display_name = NULL;
803         
804         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
805         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
806
807         priv->contents_view = hildon_pannable_area_new ();
808         alignment = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
809         gtk_alignment_set_padding (GTK_ALIGNMENT (alignment),
810                                    HILDON_MARGIN_HALF, 0,
811                                    HILDON_MARGIN_DOUBLE, HILDON_MARGIN_DOUBLE);
812
813         /* We need to do this here to properly listen for mail
814            operations because create_header_view launches a mail
815            operation */
816         priv->queue_change_handler =
817                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
818                                   "queue-changed",
819                                   G_CALLBACK (on_queue_changed),
820                                   self);
821
822         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
823         priv->empty_view = create_empty_view (MODEST_WINDOW (self));
824
825         /* Transform the floating reference in a "hard" reference. We
826            need to do this because the widgets could be added/removed
827            to containers many times so we always need to keep a
828            reference. It could happen also that some widget is never
829            added to any container */
830         g_object_ref_sink (priv->header_view);
831         g_object_ref_sink (priv->empty_view);
832
833         g_signal_connect (G_OBJECT (self), "edit-mode-changed",
834                           G_CALLBACK (edit_mode_changed), (gpointer) self);
835
836         action_area_box = hildon_tree_view_get_action_area_box (GTK_TREE_VIEW (priv->header_view));
837         priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
838
839         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_ti_new_message"));
840         new_message_pixbuf = modest_platform_get_icon ("general_add", MODEST_ICON_SIZE_BIG);
841         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button), gtk_image_new_from_pixbuf (new_message_pixbuf));
842         g_object_unref (new_message_pixbuf);
843
844         priv->show_more_button = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_VERTICAL);
845         hildon_button_set_title (HILDON_BUTTON (priv->show_more_button), _("mcen_va_more"));
846
847         gtk_box_pack_start (GTK_BOX (action_area_box), priv->new_message_button, TRUE, TRUE, 0);
848         gtk_box_pack_start (GTK_BOX (action_area_box), priv->show_more_button, TRUE, TRUE, 0);
849         gtk_widget_show_all (priv->new_message_button);
850         gtk_widget_hide_all (priv->show_more_button);
851         hildon_tree_view_set_action_area_visible (GTK_TREE_VIEW (priv->header_view), TRUE);
852         
853         setup_menu (self);
854
855         priv->top_vbox = gtk_vbox_new (FALSE, 0);
856         gtk_container_add (GTK_CONTAINER (alignment), priv->contents_view);
857         gtk_box_pack_end (GTK_BOX (priv->top_vbox), alignment, TRUE, TRUE, 0);
858
859         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
860
861         gtk_widget_show (alignment);
862         gtk_widget_show (priv->contents_view);
863         gtk_widget_show (priv->top_vbox);
864
865         connect_signals (MODEST_HEADER_WINDOW (self));
866
867         update_view (self, NULL);
868
869         /* Get device name */
870         modest_maemo_utils_get_device_name ();
871
872         app = hildon_program_get_instance ();
873         hildon_program_add_window (app, HILDON_WINDOW (self));
874
875         /* Set window icon */
876         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
877         if (window_icon) {
878                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
879                 g_object_unref (window_icon);
880         }
881
882         /* Dont't restore settings here, 
883          * because it requires a gtk_widget_show(), 
884          * and we don't want to do that until later,
885          * so that the UI is not visible for non-menu D-Bus activation.
886          */
887
888         /* setup edit modes */
889         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE,
890                                                   _("mcen_ti_edit_delete"), _HL("wdgt_bd_delete"),
891                                                   GTK_TREE_VIEW (priv->header_view),
892                                                   GTK_SELECTION_MULTIPLE,
893                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_delete_message));
894         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE,
895                                                   _("mcen_ti_edit_move"), _HL("wdgt_bd_move"),
896                                                   GTK_TREE_VIEW (priv->header_view),
897                                                   GTK_SELECTION_MULTIPLE,
898                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_move_to));
899
900
901         modest_window_set_active_account (MODEST_WINDOW (self), account_name);
902         modest_window_set_active_mailbox (MODEST_WINDOW (self), mailbox);
903         mgr = modest_runtime_get_account_mgr ();
904         settings = modest_account_mgr_load_account_settings (mgr, account_name);
905         if (settings) {
906                 account_display_name = g_strdup (modest_account_settings_get_display_name (settings));
907                 store_settings = modest_account_settings_get_store_settings (settings);
908                 if (store_settings) {
909                         priv->current_store_account = 
910                                 g_strdup (modest_server_account_settings_get_account_name (store_settings));
911                         g_object_unref (store_settings);
912                 }
913                 g_object_unref (settings);
914         }
915         /* Set window title */
916         if (TNY_IS_FOLDER (folder)) {
917                 gchar *folder_name;
918
919                 if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_INBOX) {
920                         const gchar *box_name;
921                         box_name = mailbox;
922                         if (box_name == NULL || box_name[0] == '\0') {
923                                 box_name = account_display_name;
924                         }
925                         folder_name = g_strconcat (_("mcen_me_folder_inbox"), " - ", box_name, NULL);
926                 } else {
927                         folder_name = modest_tny_folder_get_display_name (folder);
928                 }
929                 
930                 gtk_window_set_title (GTK_WINDOW (self), folder_name);
931                 g_free (folder_name);
932         }
933         g_free (account_display_name);
934
935
936         update_progress_hint (self);
937         update_sort_button (self);
938
939         return MODEST_WINDOW(self);
940 }
941
942 ModestHeaderView *
943 modest_header_window_get_header_view (ModestHeaderWindow *self)
944 {
945         ModestHeaderWindowPrivate *priv = NULL;
946
947         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
948
949         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
950         
951         return MODEST_HEADER_VIEW (priv->header_view);
952 }
953
954 static void setup_menu (ModestHeaderWindow *self)
955 {
956         ModestHeaderWindowPrivate *priv;
957
958         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
959         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
960
961         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_new_message"), "<Control>n",
962                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_msg),
963                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_new_msg));
964         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self),
965                                            dngettext(GETTEXT_PACKAGE,
966                                                      "mcen_me_move_message",
967                                                      "mcen_me_move_messages",
968                                                      2),
969                                            NULL,
970                                            APP_MENU_CALLBACK (set_moveto_edit_mode),
971                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_move_to));
972         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_delete_messages"), NULL,
973                                            APP_MENU_CALLBACK (set_delete_edit_mode),
974                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_delete));
975         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_folder_details"), NULL,
976                                            APP_MENU_CALLBACK (modest_ui_actions_on_details),
977                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_details));
978         priv->sort_button = hildon_button_new (MODEST_EDITABLE_SIZE,
979                                                HILDON_BUTTON_ARRANGEMENT_VERTICAL);
980         hildon_button_set_title (HILDON_BUTTON (priv->sort_button), _("mcen_me_sort"));
981         g_signal_connect_after (G_OBJECT (priv->sort_button), "clicked",
982                                 G_CALLBACK (modest_ui_actions_on_sort), (gpointer) self);
983         hildon_button_set_style(HILDON_BUTTON (priv->sort_button), HILDON_BUTTON_STYLE_PICKER);
984         hildon_button_set_title_alignment (HILDON_BUTTON (priv->sort_button), 0.5, 0.5);
985         hildon_button_set_value_alignment (HILDON_BUTTON (priv->sort_button), 0.5, 0.5);
986         modest_hildon2_window_add_button_to_menu (MODEST_HILDON2_WINDOW (self), GTK_BUTTON (priv->sort_button),
987                                                   modest_ui_dimming_rules_on_sort);
988         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"), NULL,
989                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
990                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive));
991         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"), NULL,
992                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
993                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
994 }
995
996 static void 
997 update_view (ModestHeaderWindow *self,
998              TnyFolderChange *change)
999 {
1000         ModestHeaderWindowPrivate *priv = NULL;
1001         gboolean refilter = FALSE;
1002         gboolean folder_empty = FALSE;
1003         gboolean all_marked_as_deleted = FALSE;
1004         TnyFolder *folder;
1005         gchar *show_more_value;
1006         guint visible;
1007         guint all_count;
1008
1009         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
1010
1011         /* It could happen when some event is received and the window
1012            was previously closed */
1013         if (!MODEST_IS_HEADER_WINDOW (self))
1014                 return;
1015
1016         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1017
1018         folder = modest_header_view_get_folder ((ModestHeaderView *) priv->header_view);
1019         if (!folder)
1020                 return;
1021
1022         if (change != NULL) {
1023                 TnyFolderChangeChanged changed;
1024
1025                 changed = tny_folder_change_get_changed (change);
1026                 /* If something changes */
1027                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
1028                         all_count = (guint) tny_folder_change_get_new_all_count (change);
1029                 else
1030                         all_count = (guint) tny_folder_get_all_count (folder);
1031
1032                 folder_empty = (all_count == 0);
1033                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
1034                         refilter = TRUE;
1035         } else {
1036                 all_count = (guint) tny_folder_get_all_count (folder);
1037                 folder_empty = (all_count == 0);
1038         }
1039         g_object_unref (folder);
1040
1041         /* Check if all messages are marked to be deleted */
1042         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
1043         folder_empty = folder_empty || all_marked_as_deleted;
1044
1045         /* Set style of headers view */
1046         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
1047
1048         if (refilter)
1049                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
1050
1051         visible = modest_header_view_get_show_latest (MODEST_HEADER_VIEW (priv->header_view));
1052
1053         if (visible > 0 && all_count > 0 && visible < all_count && folder_empty) {
1054                 modest_header_view_set_show_latest (MODEST_HEADER_VIEW (priv->header_view), visible + SHOW_LATEST_SIZE);
1055         }
1056
1057         if (visible > all_count)
1058                 visible = all_count;
1059         if (visible == 0 || visible == all_count) {
1060                 gtk_widget_hide_all (priv->show_more_button);
1061                 gtk_widget_hide_all (priv->show_more_button2);
1062         } else {
1063                 gtk_widget_show_all (priv->show_more_button);
1064                 gtk_widget_show_all (priv->show_more_button2);
1065         }
1066         show_more_value = g_strdup_printf (_("mcen_va_more_toview"), visible, all_count);
1067
1068         hildon_button_set_value (HILDON_BUTTON (priv->show_more_button),
1069                                  show_more_value);
1070         hildon_button_set_value (HILDON_BUTTON (priv->show_more_button2),
1071                                  show_more_value);
1072 }
1073
1074 static void 
1075 set_contents_state (ModestHeaderWindow *self, 
1076                     ContentsState state)
1077 {
1078         ModestHeaderWindowPrivate *priv = NULL;
1079
1080         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
1081         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1082
1083         if (priv->contents_state == state)
1084                 return;
1085
1086         /* Remove from container the old content */
1087         switch (priv->contents_state) {
1088         case CONTENTS_STATE_EMPTY:
1089                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
1090                 break;
1091         case CONTENTS_STATE_HEADERS:
1092                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
1093                 break;
1094         case CONTENTS_STATE_NONE:
1095                 break;
1096         }
1097
1098         /* Add the new content */
1099         switch (state) {
1100         case CONTENTS_STATE_EMPTY:
1101                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
1102                 gtk_widget_show (priv->empty_view);
1103                 break;
1104         case CONTENTS_STATE_HEADERS:
1105                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
1106                 gtk_widget_show (priv->header_view);
1107                 break;
1108         case CONTENTS_STATE_NONE:
1109                 break;
1110         }
1111         priv->contents_state = state;
1112 }
1113
1114 static void
1115 on_msg_count_changed (ModestHeaderView *header_view,
1116                       TnyFolder *folder,
1117                       TnyFolderChange *change,
1118                       ModestHeaderWindow *header_window)
1119 {
1120         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
1121
1122         update_view (MODEST_HEADER_WINDOW (header_window), change);
1123 }
1124
1125 static void 
1126 on_header_activated (ModestHeaderView *header_view,
1127                      TnyHeader *header,
1128                      GtkTreePath *path,
1129                      ModestHeaderWindow *header_window)
1130 {
1131         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
1132 }
1133
1134 static void
1135 updating_banner_destroyed (gpointer data,
1136                            GObject *where_the_object_was)
1137 {
1138         ModestHeaderWindowPrivate *priv = NULL;
1139
1140         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
1141
1142         priv->updating_banner = NULL;
1143 }
1144
1145 static gboolean
1146 show_updating_banner (gpointer user_data)
1147 {
1148         ModestHeaderWindowPrivate *priv = NULL;
1149
1150         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1151
1152         if (priv->updating_banner == NULL) {
1153
1154                 /* We're outside the main lock */
1155                 gdk_threads_enter ();
1156                 priv->updating_banner = 
1157                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
1158                                                           _CS ("ckdg_pb_updating"));
1159
1160                 /* We need this because banners in Maemo could be
1161                    destroyed by dialogs so we need to properly update
1162                    our reference to it */
1163                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
1164                                    updating_banner_destroyed,
1165                                    user_data);
1166                 gdk_threads_leave ();
1167         }
1168
1169         /* Remove timeout */
1170         priv->updating_banner_timeout = 0;
1171         return FALSE;
1172 }
1173
1174 /**
1175  * We use this function to show/hide a progress banner showing
1176  * "Updating" while the header view is being filled. We're not showing
1177  * it unless the update takes more than 2 seconds
1178  *
1179  * If starting = TRUE then the refresh is starting, otherwise it means
1180  * that is has just finished
1181  */
1182 static void 
1183 on_updating_msg_list (ModestHeaderView *header_view,
1184                       gboolean starting,
1185                       gpointer user_data)
1186 {
1187         ModestHeaderWindowPrivate *priv = NULL;
1188
1189         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1190         
1191         /* Remove old timeout */
1192         if (priv->updating_banner_timeout > 0) {
1193                 g_source_remove (priv->updating_banner_timeout);
1194                 priv->updating_banner_timeout = 0;
1195         }
1196
1197         /* Create a new timeout */
1198         if (starting) {
1199                 priv->updating_banner_timeout = 
1200                         g_timeout_add (2000, show_updating_banner, user_data);
1201         } else {
1202                 /* Remove the banner if exists */
1203                 if (priv->updating_banner) {
1204                         gtk_widget_destroy (priv->updating_banner);
1205                         priv->updating_banner = NULL;
1206                 }
1207         }
1208 }
1209
1210 static void
1211 set_delete_edit_mode (GtkButton *button,
1212                       ModestHeaderWindow *self)
1213 {
1214         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE);
1215 }
1216
1217 static void
1218 set_moveto_edit_mode (GtkButton *button,
1219                     ModestHeaderWindow *self)
1220 {
1221         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE);
1222 }
1223
1224 static gboolean 
1225 on_expose_event(GtkTreeView *header_view,
1226                 GdkEventExpose *event,
1227                 gpointer user_data)
1228 {
1229         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
1230         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1231
1232         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1233
1234         if (priv->autoscroll)
1235                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
1236
1237         return FALSE;
1238 }
1239
1240 static gboolean 
1241 on_map_event(GtkWidget *widget,
1242              GdkEvent *event,
1243              gpointer user_data)
1244 {
1245         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
1246         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1247
1248         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1249
1250         if (priv->progress_hint) {
1251                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), TRUE);
1252         }
1253         return FALSE;
1254 }
1255
1256 static void
1257 on_progress_list_changed (ModestWindowMgr *mgr,
1258                           ModestHeaderWindow *self)
1259 {
1260         update_progress_hint (self);
1261 }
1262
1263 static gboolean
1264 has_active_operations (ModestHeaderWindow *self)
1265 {
1266         GSList *operations = NULL, *node;
1267         ModestMailOperationQueue *queue;
1268         gboolean has_active = FALSE;
1269
1270         queue = modest_runtime_get_mail_operation_queue ();
1271         operations = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (self));
1272
1273         for (node = operations; node != NULL; node = g_slist_next (node)) {
1274                 if (!modest_mail_operation_is_finished (MODEST_MAIL_OPERATION (node->data))) {
1275                         has_active = TRUE;
1276                         break;
1277                 }
1278         }
1279
1280         if (operations) {
1281                 g_slist_foreach (operations, (GFunc) g_object_unref, NULL);
1282                 g_slist_free (operations);
1283         }
1284
1285         return has_active;
1286 }
1287
1288 static void
1289 update_progress_hint (ModestHeaderWindow *self)
1290 {
1291         ModestHeaderWindowPrivate *priv;
1292
1293         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1294
1295         priv->progress_hint = FALSE;
1296
1297         if (has_active_operations (self)) {
1298                 priv->progress_hint = TRUE;
1299         } else {
1300                 priv->progress_hint = FALSE;
1301         }
1302
1303         if (!priv->progress_hint && priv->current_store_account) {
1304                 priv->progress_hint = 
1305                         modest_window_mgr_has_progress_operation_on_account (modest_runtime_get_window_mgr (),
1306                                                                              priv->current_store_account);
1307         }
1308
1309         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
1310
1311         if (GTK_WIDGET_VISIBLE (self)) {
1312                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), priv->progress_hint?1:0);
1313         }
1314 }
1315
1316 gboolean
1317 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
1318 {
1319         ModestHeaderWindowPrivate *priv= NULL; 
1320
1321         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1322         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1323
1324         return priv->progress_hint;
1325 }
1326
1327 gboolean 
1328 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
1329 {
1330         ModestHeaderWindowPrivate *priv;
1331         
1332         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);   
1333         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
1334
1335         return priv->progress_hint;
1336 }
1337
1338 static void 
1339 on_mail_operation_started (ModestMailOperation *mail_op,
1340                            gpointer user_data)
1341 {
1342         ModestHeaderWindow *self;
1343         ModestMailOperationTypeOperation op_type;
1344         GObject *source = NULL;
1345
1346         self = MODEST_HEADER_WINDOW (user_data);
1347         op_type = modest_mail_operation_get_type_operation (mail_op);
1348         source = modest_mail_operation_get_source(mail_op);
1349         if (G_OBJECT (self) == source) {
1350                 update_progress_hint (self);
1351         }
1352         g_object_unref (source);
1353 }
1354
1355 static void 
1356 on_mail_operation_finished (ModestMailOperation *mail_op,
1357                             gpointer user_data)
1358 {
1359         ModestHeaderWindow *self;
1360
1361         self = MODEST_HEADER_WINDOW (user_data);
1362
1363         /* Don't disable the progress hint if there are more pending
1364            operations from this window */
1365         update_progress_hint (self);
1366
1367         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
1368 }
1369
1370 static void
1371 on_queue_changed (ModestMailOperationQueue *queue,
1372                   ModestMailOperation *mail_op,
1373                   ModestMailOperationQueueNotification type,
1374                   ModestHeaderWindow *self)
1375 {
1376         ModestHeaderWindowPrivate *priv;
1377
1378         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1379
1380         /* If this operations was created by another window, do nothing */
1381         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self))) 
1382                 return;
1383
1384         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
1385                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1386                                                                G_OBJECT (mail_op),
1387                                                                "operation-started",
1388                                                                G_CALLBACK (on_mail_operation_started),
1389                                                                self);
1390                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1391                                                                G_OBJECT (mail_op),
1392                                                                "operation-finished",
1393                                                                G_CALLBACK (on_mail_operation_finished),
1394                                                                self);
1395         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
1396                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1397                                                                   G_OBJECT (mail_op),
1398                                                                   "operation-started");
1399                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1400                                                                   G_OBJECT (mail_op),
1401                                                                   "operation-finished");
1402         }
1403 }
1404
1405 static void
1406 modest_header_window_pack_toolbar (ModestHildon2Window *self,
1407                                    GtkPackType pack_type,
1408                                    GtkWidget *toolbar)
1409 {
1410         ModestHeaderWindowPrivate *priv;
1411
1412         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
1413         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1414
1415         if (pack_type == GTK_PACK_START) {
1416                 gtk_box_pack_start (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
1417         } else {
1418                 gtk_box_pack_end (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
1419         }
1420 }
1421
1422 static void 
1423 edit_mode_changed (ModestHeaderWindow *header_window,
1424                    gint edit_mode_id,
1425                    gboolean enabled,
1426                    ModestHeaderWindow *self)
1427 {
1428         ModestHeaderWindowPrivate *priv;
1429         ModestHeaderViewFilter filter = MODEST_HEADER_VIEW_FILTER_NONE;
1430
1431         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
1432         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1433
1434         switch (edit_mode_id) {
1435         case EDIT_MODE_COMMAND_MOVE:
1436                 filter = MODEST_HEADER_VIEW_FILTER_MOVEABLE;
1437                 break;
1438         case EDIT_MODE_COMMAND_DELETE:
1439                 filter = MODEST_HEADER_VIEW_FILTER_DELETABLE;
1440                 break;
1441         case MODEST_HILDON2_WINDOW_EDIT_MODE_NONE:
1442                 filter = MODEST_HEADER_VIEW_FILTER_NONE;
1443                 break;
1444         }
1445
1446         hildon_tree_view_set_action_area_visible (GTK_TREE_VIEW (priv->header_view), !enabled);
1447         if (enabled) {
1448                 modest_header_view_set_filter (MODEST_HEADER_VIEW (priv->header_view), 
1449                                                filter);
1450         } else {
1451                 GtkTreeSelection *sel;
1452
1453                 /* Unselect all. This will prevent us from keeping a
1454                    reference to a TnyObject that we don't want to
1455                    have */
1456                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
1457                 gtk_tree_selection_unselect_all (sel);
1458
1459                 modest_header_view_unset_filter (MODEST_HEADER_VIEW (priv->header_view), 
1460                                                  filter);
1461         }
1462 }
1463
1464 static void 
1465 on_sort_column_changed (GtkTreeSortable *treesortable,
1466                         gpointer         user_data)
1467 {
1468         update_sort_button (MODEST_HEADER_WINDOW (user_data));
1469 }
1470
1471 static void
1472 update_sort_button (ModestHeaderWindow *self)
1473 {
1474         ModestHeaderWindowPrivate *priv;
1475         GtkTreeSortable *sortable;
1476         gint current_sort_colid = -1;
1477         GtkSortType current_sort_type;
1478         const gchar *value = NULL;
1479
1480         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1481
1482         /* This could happen as the first time the model is set the
1483            header_view is still not assigned to priv->header_view */
1484         if (!priv->header_view)
1485                 return;
1486
1487         sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (GTK_TREE_VIEW (priv->header_view)));
1488
1489         if (!gtk_tree_sortable_get_sort_column_id (sortable,
1490                                                    &current_sort_colid, &current_sort_type)) {
1491                 value =  _("mcen_li_sort_sender_date_newest");
1492         } else {
1493                 switch (current_sort_colid) {
1494                 case TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN:
1495                 {
1496                         GList *cols = NULL;
1497                         cols = modest_header_view_get_columns (MODEST_HEADER_VIEW (priv->header_view));
1498                         if (cols != NULL) {
1499                                 gpointer flags_sort_type_pointer;
1500                                 flags_sort_type_pointer = g_object_get_data (G_OBJECT (cols->data), 
1501                                                                              MODEST_HEADER_VIEW_FLAG_SORT);
1502                                 if (GPOINTER_TO_INT (flags_sort_type_pointer) == TNY_HEADER_FLAG_PRIORITY_MASK)
1503                                         value = _("mcen_li_sort_priority");
1504                                 else
1505                                         value = _("mcen_li_sort_attachment");
1506                                 g_list_free(cols);      
1507                         }
1508                 } 
1509                 break;
1510                 case TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN:
1511                 case TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN:
1512                         if (current_sort_type == GTK_SORT_ASCENDING)
1513                                 value = _("mcen_li_sort_sender_recipient_az");
1514                         else
1515                                 value = _("mcen_li_sort_sender_recipient_za");
1516                         break;
1517                 case TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN:
1518                 case TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN:
1519                         if (current_sort_type == GTK_SORT_ASCENDING)
1520                                 value = _("mcen_li_sort_date_oldest");
1521                         else
1522                                 value = _("mcen_li_sort_date_newest");
1523                         break;
1524                 case TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN:
1525                         if (current_sort_type == GTK_SORT_ASCENDING)
1526                                 value = _("mcen_li_sort_subject_az");
1527                         else
1528                                 value = _("mcen_li_sort_subject_za");
1529                         break;
1530                 case TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN:
1531                         if (current_sort_type == GTK_SORT_ASCENDING)
1532                                 value = _("mcen_li_sort_size_smallest");
1533                         else
1534                                 value = _("mcen_li_sort_size_largest");
1535                         break;
1536                 } 
1537         }
1538
1539         hildon_button_set_value (HILDON_BUTTON (priv->sort_button), value?value:"");
1540 }
1541
1542 static void
1543 on_horizontal_movement (HildonPannableArea *hildonpannable,
1544                         gint                direction,
1545                         gdouble             initial_x,
1546                         gdouble             initial_y,
1547                         gpointer            user_data)
1548 {
1549         ModestHeaderWindowPrivate *priv;
1550         gint dest_x, dest_y;
1551         TnyHeader *header;
1552
1553         /* Ignore right to left movement */
1554         if (direction == HILDON_MOVEMENT_LEFT)
1555                 return;
1556
1557         /* Get the header to delete */
1558         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1559
1560         /* Get tree view coordinates */
1561         if (!gtk_widget_translate_coordinates ((GtkWidget *) hildonpannable,
1562                                                priv->header_view,
1563                                                initial_x,
1564                                                initial_y,
1565                                                &dest_x,
1566                                                &dest_y))
1567             return;
1568
1569         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
1570                                                        dest_x, dest_y);
1571         if (header) {
1572                 delete_header ((GtkWindow *) user_data, header);
1573                 g_object_unref (header);
1574         }
1575 }
1576
1577
1578 static gboolean
1579 on_key_press(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
1580 {
1581         ModestHeaderWindowPrivate *priv;
1582         HildonPannableArea *pannable;
1583         /* FIXME: set scroll_speed depends on for how long the key was pressed */
1584         gint scroll_speed = 3;
1585
1586         if (event->type == GDK_KEY_RELEASE)
1587                 return FALSE;
1588
1589         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(user_data);
1590
1591         pannable = HILDON_PANNABLE_AREA (priv->contents_view);
1592
1593         switch (event->keyval) {
1594
1595         case GDK_Up:
1596                 priv->autoscroll = FALSE;
1597                 modest_maemo_utils_scroll_pannable(pannable, 0, -scroll_speed);
1598                 break;
1599
1600         case GDK_Down:
1601                 priv->autoscroll = FALSE;
1602                 modest_maemo_utils_scroll_pannable(pannable, 0, scroll_speed);
1603                 break;
1604         }
1605
1606         return FALSE;
1607 }
1608
1609 static void
1610 modest_header_window_show_more (GtkAction *action, ModestWindow *win)
1611 {
1612         ModestHeaderWindow *self;
1613         ModestHeaderWindowPrivate *priv = NULL;
1614
1615         self = MODEST_HEADER_WINDOW (win);
1616         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1617         if (!priv->header_view)
1618                 return;
1619         
1620         if (modest_header_view_get_not_latest (MODEST_HEADER_VIEW (priv->header_view)) > 0) {
1621                 modest_header_view_set_show_latest (MODEST_HEADER_VIEW (priv->header_view),
1622                                                     modest_header_view_get_show_latest (MODEST_HEADER_VIEW (priv->header_view)) + 
1623                                                     SHOW_LATEST_SIZE);
1624                 update_view (self, NULL);
1625         }
1626 }