vcs.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 (ModestWindow *progress_window,
 100                                       TnyFolder *folder);
 101
 102 static void update_view (ModestHeaderWindow *self,
 103                          TnyFolderChange *change);
 104 static void set_contents_state (ModestHeaderWindow *window,
 105                                 ContentsState state);
 106
 107 static void on_msg_count_changed (ModestHeaderView *header_view,
 108                                   TnyFolder *folder,
 109                                   TnyFolderChange *change,
 110                                   ModestHeaderWindow *header_window);
 111 static void on_header_activated (ModestHeaderView *header_view,
 112                                  TnyHeader *header,
 113                                  GtkTreePath *path,
 114                                  ModestHeaderWindow *header_window);
 115 static void on_updating_msg_list (ModestHeaderView *header_view,
 116                                   gboolean starting,
 117                                   gpointer user_data);
 118
 119
 120 /* globals */
 121 static GtkWindowClass *parent_class = NULL;
 122
 123 #define EMPTYVIEW_XALIGN 0.5
 124 #define EMPTYVIEW_YALIGN 0.0
 125 #define EMPTYVIEW_XSPACE 1.0
 126 #define EMPTYVIEW_YSPACE 0.0
 127
 128
 129
 130 /************************************************************************/
 131
 132 GType
 133 modest_header_window_get_type (void)
 134 {
 135         static GType my_type = 0;
 136         if (!my_type) {
 137                 static const GTypeInfo my_info = {
 138                         sizeof(ModestHeaderWindowClass),
 139                         NULL,           /* base init */
 140                         NULL,           /* base finalize */
 141                         (GClassInitFunc) modest_header_window_class_init,
 142                         NULL,           /* class finalize */
 143                         NULL,           /* class data */
 144                         sizeof(ModestHeaderWindow),
 145                         1,              /* n_preallocs */
 146                         (GInstanceInitFunc) modest_header_window_init,
 147                         NULL
 148                 };
 149                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 150                                                   "ModestHeaderWindow",
 151                                                   &my_info, 0);
 152         }
 153         return my_type;
 154 }
 155
 156 static void
 157 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 158 {
 159         GObjectClass *gobject_class;
 160         gobject_class = (GObjectClass*) klass;
 161         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 162
 163         parent_class            = g_type_class_peek_parent (klass);
 164         gobject_class->finalize = modest_header_window_finalize;
 165
 166         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 167
 168         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
 169         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
 170         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 171 }
 172
 173 static void
 174 modest_header_window_init (ModestHeaderWindow *obj)
 175 {
 176         ModestHeaderWindowPrivate *priv;
 177
 178         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 179
 180         priv->sighandlers = NULL;
 181         priv->display_state = OSSO_DISPLAY_ON;
 182
 183         priv->header_view = NULL;
 184         priv->empty_view = NULL;
 185         priv->contents_view = NULL;
 186         priv->contents_state = CONTENTS_STATE_NONE;
 187         priv->folder = NULL;
 188         priv->updating_banner = NULL;
 189         priv->updating_banner_timeout = 0;
 190
 191         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 192                                             GTK_WINDOW(obj),
 193                                             "applications_email_headerview");
 194 }
 195
 196 static void
 197 modest_header_window_finalize (GObject *obj)
 198 {
 199         ModestHeaderWindowPrivate *priv;
 200
 201         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 202
 203         g_object_unref (priv->header_view);
 204         g_object_unref (priv->empty_view);
 205         g_object_unref (priv->folder);
 206
 207         /* Sanity check: shouldn't be needed, the window mgr should
 208            call this function before */
 209         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 210
 211         if (priv->updating_banner_timeout > 0) {
 212                 g_source_remove (priv->updating_banner_timeout);
 213                 priv->updating_banner_timeout = 0;
 214         }
 215         if (priv->updating_banner) {
 216                 gtk_widget_destroy (priv->updating_banner);
 217                 priv->updating_banner = NULL;
 218         }
 219
 220         G_OBJECT_CLASS(parent_class)->finalize (obj);
 221 }
 222
 223 static void
 224 modest_header_window_disconnect_signals (ModestWindow *self)
 225 {
 226         ModestHeaderWindowPrivate *priv;
 227         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 228
 229         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 230         priv->sighandlers = NULL;
 231 }
 232
 233 static void
 234 connect_signals (ModestHeaderWindow *self)
 235 {
 236         ModestHeaderWindowPrivate *priv;
 237
 238         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 239
 240         /* header view */
 241
 242         priv->sighandlers =
 243                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 244                                            "msg_count_changed",
 245                                            G_CALLBACK(on_msg_count_changed), self);
 246         priv->sighandlers =
 247                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 248                                            "header-activated",
 249                                            G_CALLBACK (on_header_activated), self);
 250         priv->sighandlers =
 251                 modest_signal_mgr_connect (priv->sighandlers,
 252                                            G_OBJECT (priv->header_view),
 253                                            "updating-msg-list",
 254                                            G_CALLBACK (on_updating_msg_list),
 255                                            self);
 256
 257         /* TODO: connect header view activate */
 258
 259         /* new message button */
 260
 261         g_signal_connect (G_OBJECT (priv->new_message_button), "clicked",
 262                           G_CALLBACK (modest_ui_actions_on_new_msg), (gpointer) self);
 263
 264         /* window */
 265
 266         /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
 267          * in destroy stage */
 268
 269
 270 }
 271
 272 static void
 273 osso_display_event_cb (osso_display_state_t state,
 274                        gpointer data)
 275 {
 276         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 277
 278         priv->display_state = state;
 279
 280         /* Stop blinking if the screen becomes on */
 281         if (priv->display_state == OSSO_DISPLAY_ON)
 282                 modest_platform_remove_new_mail_notifications (TRUE);
 283 }
 284
 285 static GtkWidget *
 286 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 287 {
 288         GtkWidget *header_view;
 289
 290         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 291         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 292                                        TRUE, progress_window, NULL, NULL);
 293         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 294                                       MODEST_CONF_HEADER_VIEW_KEY);
 295
 296         return header_view;
 297 }
 298
 299 static GtkWidget *
 300 create_empty_view (void)
 301 {
 302         GtkLabel *label = NULL;
 303         GtkWidget *align = NULL;
 304
 305         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 306         label = GTK_LABEL(gtk_label_new (_("mcen_ia_nomessages")));
 307         gtk_label_set_justify (label, GTK_JUSTIFY_CENTER);
 308         gtk_container_add (GTK_CONTAINER (align), GTK_WIDGET(label));
 309
 310         return GTK_WIDGET(align);
 311 }
 312
 313
 314 ModestWindow *
 315 modest_header_window_new (TnyFolder *folder)
 316 {
 317         ModestHeaderWindow *self = NULL;
 318         ModestHeaderWindowPrivate *priv = NULL;
 319         HildonProgram *app;
 320         GdkPixbuf *window_icon;
 321         GtkWidget *pannable;
 322
 323         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 324         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 325
 326         priv->folder = g_object_ref (folder);
 327
 328         pannable = hildon_pannable_area_new ();
 329
 330         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 331         priv->empty_view = create_empty_view ();
 332         g_object_ref (priv->header_view);
 333         g_object_ref (priv->empty_view);
 334         priv->contents_view = gtk_vbox_new (FALSE, 0);
 335         priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE,
 336                                                       HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
 337         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_me_viewer_newemail"));
 338         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button),
 339                                  gtk_image_new_from_stock (MODEST_STOCK_NEW_MAIL, HILDON_ICON_SIZE_TOOLBAR));
 340         hildon_button_set_title_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 341         hildon_button_set_image_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 342         hildon_button_set_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5, 1.0, 0.0);
 343         hildon_button_set_image_position (HILDON_BUTTON (priv->new_message_button), GTK_POS_LEFT);
 344
 345         setup_menu (self);
 346
 347         gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->new_message_button, FALSE, FALSE, 0);
 348         hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (pannable), priv->contents_view);
 349         gtk_container_add (GTK_CONTAINER (self), pannable);
 350
 351         gtk_widget_show (priv->contents_view);
 352         gtk_widget_show (pannable);
 353         gtk_widget_show (priv->new_message_button);
 354
 355         connect_signals (MODEST_HEADER_WINDOW (self));
 356
 357         update_view (self, NULL);
 358
 359         /* Load previous osso state, for instance if we are being restored from
 360          * hibernation:  */
 361         modest_osso_load_state ();
 362
 363         /* Get device name */
 364         modest_maemo_utils_get_device_name ();
 365
 366         app = hildon_program_get_instance ();
 367         hildon_program_add_window (app, HILDON_WINDOW (self));
 368
 369         /* Set window icon */
 370         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 371         if (window_icon) {
 372                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 373                 g_object_unref (window_icon);
 374         }
 375
 376         /* Listen for changes in the screen, we don't want to show a
 377            led pattern when the display is on for example */
 378         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 379                                       osso_display_event_cb,
 380                                       self);
 381
 382         /* Dont't restore settings here,
 383          * because it requires a gtk_widget_show(),
 384          * and we don't want to do that until later,
 385          * so that the UI is not visible for non-menu D-Bus activation.
 386          */
 387
 388         return MODEST_WINDOW(self);
 389 }
 390
 391 static gboolean
 392 on_zoom_minus_plus_not_implemented (ModestWindow *window)
 393 {
 394         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
 395
 396         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
 397         return FALSE;
 398
 399 }
 400
 401 gboolean
 402 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 403 {
 404         ModestHeaderWindowPrivate *priv = NULL;
 405
 406         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 407
 408         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 409
 410         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 411 }
 412
 413 ModestHeaderView *
 414 modest_header_window_get_header_view (ModestHeaderWindow *self)
 415 {
 416         ModestHeaderWindowPrivate *priv = NULL;
 417
 418         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 419
 420         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 421
 422         return MODEST_HEADER_VIEW (priv->header_view);
 423 }
 424
 425 static void add_to_menu (ModestHeaderWindow *self,
 426                          HildonAppMenu *menu,
 427                          gchar *label,
 428                          GCallback callback)
 429 {
 430         GtkWidget *button;
 431
 432         button = gtk_button_new_with_label (label);
 433         g_signal_connect_after (G_OBJECT (button), "clicked",
 434                                 callback, (gpointer) self);
 435         hildon_app_menu_append (menu, GTK_BUTTON (button));
 436 }
 437
 438 static void setup_menu (ModestHeaderWindow *self)
 439 {
 440         ModestHeaderWindowPrivate *priv = NULL;
 441         GtkWidget *app_menu;
 442
 443         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 444
 445         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 446
 447         app_menu = hildon_app_menu_new ();
 448
 449         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_viewer_newemail"),
 450                      G_CALLBACK (modest_ui_actions_on_new_msg));
 451         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
 452                      G_CALLBACK (modest_ui_actions_on_send_receive));
 453         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_messagedetails"),
 454                      G_CALLBACK (modest_ui_actions_on_details));
 455         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sort"),
 456                      G_CALLBACK (modest_ui_actions_on_sort));
 457
 458         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
 459                                                HILDON_APP_MENU (app_menu));
 460 }
 461
 462 static void
 463 update_view (ModestHeaderWindow *self,
 464              TnyFolderChange *change)
 465 {
 466         ModestHeaderWindowPrivate *priv = NULL;
 467         gboolean refilter = FALSE;
 468         gboolean folder_empty = FALSE;
 469         gboolean all_marked_as_deleted = FALSE;
 470
 471         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 472         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 473         g_return_if_fail (priv->folder);
 474
 475         if (change != NULL) {
 476                 TnyFolderChangeChanged changed;
 477
 478                 changed = tny_folder_change_get_changed (change);
 479                 /* If something changes */
 480                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 481                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 482                 else
 483                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 484
 485                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 486                         refilter = TRUE;
 487         } else {
 488                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 489         }
 490
 491         /* Check if all messages are marked to be deleted */
 492         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 493         folder_empty = folder_empty || all_marked_as_deleted;
 494
 495         /* Set style of headers view */
 496         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 497
 498         if (refilter)
 499                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 500 }
 501
 502 static void
 503 set_contents_state (ModestHeaderWindow *self,
 504                     ContentsState state)
 505 {
 506         ModestHeaderWindowPrivate *priv = NULL;
 507
 508         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 509         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 510
 511         if (priv->contents_state == state)
 512                 return;
 513
 514         /* Remove from container the old content */
 515         switch (priv->contents_state) {
 516         case CONTENTS_STATE_EMPTY:
 517                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 518                 break;
 519         case CONTENTS_STATE_HEADERS:
 520                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 521                 break;
 522         case CONTENTS_STATE_NONE:
 523                 break;
 524         }
 525
 526         /* Add the new content */
 527         switch (state) {
 528         case CONTENTS_STATE_EMPTY:
 529                 gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->empty_view, TRUE, TRUE, 0);
 530                 gtk_widget_show (priv->empty_view);
 531                 break;
 532         case CONTENTS_STATE_HEADERS:
 533                 gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->header_view, TRUE, TRUE, 0);
 534                 gtk_widget_show (priv->header_view);
 535                 break;
 536         case CONTENTS_STATE_NONE:
 537                 break;
 538         }
 539         priv->contents_state = state;
 540
 541 }
 542
 543 static void
 544 on_msg_count_changed (ModestHeaderView *header_view,
 545                       TnyFolder *folder,
 546                       TnyFolderChange *change,
 547                       ModestHeaderWindow *header_window)
 548 {
 549         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 550
 551         update_view (MODEST_HEADER_WINDOW (header_window), change);
 552 }
 553
 554 static void
 555 on_header_activated (ModestHeaderView *header_view,
 556                      TnyHeader *header,
 557                      GtkTreePath *path,
 558                      ModestHeaderWindow *header_window)
 559 {
 560         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 561 }
 562
 563 static void
 564 updating_banner_destroyed (gpointer data,
 565                            GObject *where_the_object_was)
 566 {
 567         ModestHeaderWindowPrivate *priv = NULL;
 568
 569         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 570
 571         priv->updating_banner = NULL;
 572 }
 573
 574 static gboolean
 575 show_updating_banner (gpointer user_data)
 576 {
 577         ModestHeaderWindowPrivate *priv = NULL;
 578
 579         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 580
 581         if (priv->updating_banner == NULL) {
 582
 583                 /* We're outside the main lock */
 584                 gdk_threads_enter ();
 585                 priv->updating_banner =
 586                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 587                                                           _CS ("ckdg_pb_updating"));
 588
 589                 /* We need this because banners in Maemo could be
 590                    destroyed by dialogs so we need to properly update
 591                    our reference to it */
 592                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 593                                    updating_banner_destroyed,
 594                                    user_data);
 595                 gdk_threads_leave ();
 596         }
 597
 598         /* Remove timeout */
 599         priv->updating_banner_timeout = 0;
 600         return FALSE;
 601 }
 602
 603 /**
 604  * We use this function to show/hide a progress banner showing
 605  * "Updating" while the header view is being filled. We're not showing
 606  * it unless the update takes more than 2 seconds
 607  *
 608  * If starting = TRUE then the refresh is starting, otherwise it means
 609  * that is has just finished
 610  */
 611 static void
 612 on_updating_msg_list (ModestHeaderView *header_view,
 613                       gboolean starting,
 614                       gpointer user_data)
 615 {
 616         ModestHeaderWindowPrivate *priv = NULL;
 617
 618         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 619
 620         /* Remove old timeout */
 621         if (priv->updating_banner_timeout > 0) {
 622                 g_source_remove (priv->updating_banner_timeout);
 623                 priv->updating_banner_timeout = 0;
 624         }
 625
 626         /* Create a new timeout */
 627         if (starting) {
 628                 priv->updating_banner_timeout =
 629                         g_timeout_add (2000, show_updating_banner, user_data);
 630         } else {
 631                 /* Remove the banner if exists */
 632                 if (priv->updating_banner) {
 633                         gtk_widget_destroy (priv->updating_banner);
 634                         priv->updating_banner = NULL;
 635                 }
 636         }
 637 }