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