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 <hildon/hildon-edit-toolbar.h>
  35 #include <modest-window-mgr.h>
  36 #include <modest-signal-mgr.h>
  37 #include <modest-runtime.h>
  38 #include <modest-platform.h>
  39 #include <modest-maemo-utils.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-ui-constants.h>
  42 #include <modest-account-mgr.h>
  43 #include <modest-account-mgr-helpers.h>
  44 #include <modest-defs.h>
  45 #include <modest-widget-memory.h>
  46 #include <modest-ui-actions.h>
  47 #include <modest-platform.h>
  48 #include <modest-text-utils.h>
  49 #include <hildon/hildon-button.h>
  50 #include <hildon/hildon-program.h>
  51 #include <hildon/hildon-banner.h>
  52
  53 typedef enum {
  54         CONTENTS_STATE_NONE = 0,
  55         CONTENTS_STATE_EMPTY = 1,
  56         CONTENTS_STATE_HEADERS = 2
  57 } ContentsState;
  58
  59 typedef enum {
  60         EDIT_MODE_COMMAND_NONE = 0,
  61         EDIT_MODE_COMMAND_MOVE = 1,
  62         EDIT_MODE_COMMAND_DELETE = 2,
  63 } EditModeCommand;
  64
  65 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
  66 struct _ModestHeaderWindowPrivate {
  67
  68         GtkWidget *header_view;
  69         GtkWidget *empty_view;
  70         GtkWidget *contents_view;
  71         GtkWidget *new_message_button;
  72         GtkWidget *edit_toolbar;
  73
  74         /* state bar */
  75         ContentsState contents_state;
  76         gboolean edit_mode;
  77         EditModeCommand edit_command;
  78
  79         TnyFolder *folder;
  80
  81         /* banners */
  82         GtkWidget *updating_banner;
  83         guint updating_banner_timeout;
  84
  85         /* signals */
  86         GSList *sighandlers;
  87
  88         /* Display state */
  89         osso_display_state_t display_state;
  90 };
  91 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  92                                                                           MODEST_TYPE_HEADER_WINDOW, \
  93                                                                           ModestHeaderWindowPrivate))
  94
  95 /* 'private'/'protected' functions */
  96 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
  97 static void modest_header_window_init        (ModestHeaderWindow *obj);
  98 static void modest_header_window_finalize    (GObject *obj);
  99
 100 static void connect_signals (ModestHeaderWindow *self);
 101 static void modest_header_window_disconnect_signals (ModestWindow *self);
 102
 103 static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
 104 static void add_to_menu (ModestHeaderWindow *self,
 105                          HildonAppMenu *menu,
 106                          gchar *label,
 107                          GCallback callback);
 108 static void setup_menu (ModestHeaderWindow *self);
 109 static GtkWidget *create_empty_view (void);
 110 static GtkWidget *create_header_view (ModestWindow *progress_window,
 111                                       TnyFolder *folder);
 112
 113 static void update_view (ModestHeaderWindow *self,
 114                          TnyFolderChange *change);
 115 static void set_contents_state (ModestHeaderWindow *window,
 116                                 ContentsState state);
 117
 118 static void on_msg_count_changed (ModestHeaderView *header_view,
 119                                   TnyFolder *folder,
 120                                   TnyFolderChange *change,
 121                                   ModestHeaderWindow *header_window);
 122 static void on_header_activated (ModestHeaderView *header_view,
 123                                  TnyHeader *header,
 124                                  GtkTreePath *path,
 125                                  ModestHeaderWindow *header_window);
 126 static void on_updating_msg_list (ModestHeaderView *header_view,
 127                                   gboolean starting,
 128                                   gpointer user_data);
 129 static void set_edit_mode (ModestHeaderWindow *self,
 130                            EditModeCommand command);
 131 static void edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 132                                          ModestHeaderWindow *self);
 133 static void edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 134                                         ModestHeaderWindow *self);
 135 static void set_delete_edit_mode (GtkButton *button,
 136                                   ModestHeaderWindow *self);
 137 static void set_moveto_edit_mode (GtkButton *button,
 138                                   ModestHeaderWindow *self);
 139
 140 /* globals */
 141 static GtkWindowClass *parent_class = NULL;
 142
 143 #define EMPTYVIEW_XALIGN 0.5
 144 #define EMPTYVIEW_YALIGN 0.0
 145 #define EMPTYVIEW_XSPACE 1.0
 146 #define EMPTYVIEW_YSPACE 0.0
 147
 148
 149
 150 /************************************************************************/
 151
 152 GType
 153 modest_header_window_get_type (void)
 154 {
 155         static GType my_type = 0;
 156         if (!my_type) {
 157                 static const GTypeInfo my_info = {
 158                         sizeof(ModestHeaderWindowClass),
 159                         NULL,           /* base init */
 160                         NULL,           /* base finalize */
 161                         (GClassInitFunc) modest_header_window_class_init,
 162                         NULL,           /* class finalize */
 163                         NULL,           /* class data */
 164                         sizeof(ModestHeaderWindow),
 165                         1,              /* n_preallocs */
 166                         (GInstanceInitFunc) modest_header_window_init,
 167                         NULL
 168                 };
 169                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 170                                                   "ModestHeaderWindow",
 171                                                   &my_info, 0);
 172         }
 173         return my_type;
 174 }
 175
 176 static void
 177 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 178 {
 179         GObjectClass *gobject_class;
 180         gobject_class = (GObjectClass*) klass;
 181         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 182
 183         parent_class            = g_type_class_peek_parent (klass);
 184         gobject_class->finalize = modest_header_window_finalize;
 185
 186         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 187
 188         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
 189         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
 190         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 191 }
 192
 193 static void
 194 modest_header_window_init (ModestHeaderWindow *obj)
 195 {
 196         ModestHeaderWindowPrivate *priv;
 197
 198         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 199
 200         priv->sighandlers = NULL;
 201         priv->display_state = OSSO_DISPLAY_ON;
 202
 203         priv->header_view = NULL;
 204         priv->empty_view = NULL;
 205         priv->edit_mode = FALSE;
 206         priv->edit_command = EDIT_MODE_COMMAND_NONE;
 207         priv->edit_toolbar = NULL;
 208         priv->contents_view = NULL;
 209         priv->contents_state = CONTENTS_STATE_NONE;
 210         priv->folder = NULL;
 211         priv->updating_banner = NULL;
 212         priv->updating_banner_timeout = 0;
 213
 214         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 215                                             GTK_WINDOW(obj),
 216                                             "applications_email_headerview");
 217 }
 218
 219 static void
 220 modest_header_window_finalize (GObject *obj)
 221 {
 222         ModestHeaderWindowPrivate *priv;
 223
 224         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 225
 226         g_object_unref (priv->header_view);
 227         g_object_unref (priv->empty_view);
 228         g_object_unref (priv->folder);
 229
 230         /* Sanity check: shouldn't be needed, the window mgr should
 231            call this function before */
 232         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 233
 234         if (priv->updating_banner_timeout > 0) {
 235                 g_source_remove (priv->updating_banner_timeout);
 236                 priv->updating_banner_timeout = 0;
 237         }
 238         if (priv->updating_banner) {
 239                 gtk_widget_destroy (priv->updating_banner);
 240                 priv->updating_banner = NULL;
 241         }
 242
 243         G_OBJECT_CLASS(parent_class)->finalize (obj);
 244 }
 245
 246 static void
 247 modest_header_window_disconnect_signals (ModestWindow *self)
 248 {
 249         ModestHeaderWindowPrivate *priv;
 250         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 251
 252         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 253         priv->sighandlers = NULL;
 254 }
 255
 256 static void
 257 connect_signals (ModestHeaderWindow *self)
 258 {
 259         ModestHeaderWindowPrivate *priv;
 260
 261         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 262
 263         /* header view */
 264
 265         priv->sighandlers =
 266                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 267                                            "msg_count_changed",
 268                                            G_CALLBACK(on_msg_count_changed), self);
 269         priv->sighandlers =
 270                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 271                                            "header-activated",
 272                                            G_CALLBACK (on_header_activated), self);
 273         priv->sighandlers =
 274                 modest_signal_mgr_connect (priv->sighandlers,
 275                                            G_OBJECT (priv->header_view),
 276                                            "updating-msg-list",
 277                                            G_CALLBACK (on_updating_msg_list),
 278                                            self);
 279
 280         /* TODO: connect header view activate */
 281
 282         /* new message button */
 283
 284         g_signal_connect (G_OBJECT (priv->new_message_button), "clicked",
 285                           G_CALLBACK (modest_ui_actions_on_new_msg), (gpointer) self);
 286
 287         /* window */
 288
 289         /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
 290          * in destroy stage */
 291
 292
 293 }
 294
 295 static void
 296 osso_display_event_cb (osso_display_state_t state,
 297                        gpointer data)
 298 {
 299         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 300
 301         priv->display_state = state;
 302
 303         /* Stop blinking if the screen becomes on */
 304         if (priv->display_state == OSSO_DISPLAY_ON)
 305                 modest_platform_remove_new_mail_notifications (TRUE);
 306 }
 307
 308 static GtkWidget *
 309 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 310 {
 311         GtkWidget *header_view;
 312
 313         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 314         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 315                                        TRUE, progress_window, NULL, NULL);
 316         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 317                                       MODEST_CONF_HEADER_VIEW_KEY);
 318
 319         return header_view;
 320 }
 321
 322 static GtkWidget *
 323 create_empty_view (void)
 324 {
 325         GtkLabel *label = NULL;
 326         GtkWidget *align = NULL;
 327
 328         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 329         label = GTK_LABEL(gtk_label_new (_("mcen_ia_nomessages")));
 330         gtk_label_set_justify (label, GTK_JUSTIFY_CENTER);
 331         gtk_container_add (GTK_CONTAINER (align), GTK_WIDGET(label));
 332
 333         return GTK_WIDGET(align);
 334 }
 335
 336
 337 ModestWindow *
 338 modest_header_window_new (TnyFolder *folder)
 339 {
 340         ModestHeaderWindow *self = NULL;
 341         ModestHeaderWindowPrivate *priv = NULL;
 342         HildonProgram *app;
 343         GdkPixbuf *window_icon;
 344         GtkWidget *pannable;
 345
 346         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 347         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 348
 349         priv->folder = g_object_ref (folder);
 350
 351         pannable = hildon_pannable_area_new ();
 352
 353         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 354         priv->empty_view = create_empty_view ();
 355         g_object_ref (priv->header_view);
 356         g_object_ref (priv->empty_view);
 357         priv->contents_view = gtk_vbox_new (FALSE, 0);
 358         priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE,
 359                                                       HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
 360         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_me_viewer_newemail"));
 361         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button),
 362                                  gtk_image_new_from_stock (MODEST_STOCK_NEW_MAIL, HILDON_ICON_SIZE_TOOLBAR));
 363         hildon_button_set_title_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 364         hildon_button_set_image_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 365         hildon_button_set_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5, 1.0, 0.0);
 366         hildon_button_set_image_position (HILDON_BUTTON (priv->new_message_button), GTK_POS_LEFT);
 367
 368         setup_menu (self);
 369
 370         gtk_box_pack_end (GTK_BOX (priv->contents_view), priv->new_message_button, FALSE, FALSE, 0);
 371         hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (pannable), priv->contents_view);
 372         gtk_container_add (GTK_CONTAINER (self), pannable);
 373
 374         gtk_widget_show (priv->contents_view);
 375         gtk_widget_show (pannable);
 376         gtk_widget_show (priv->new_message_button);
 377
 378         connect_signals (MODEST_HEADER_WINDOW (self));
 379
 380         update_view (self, NULL);
 381
 382         /* Load previous osso state, for instance if we are being restored from
 383          * hibernation:  */
 384         modest_osso_load_state ();
 385
 386         /* Get device name */
 387         modest_maemo_utils_get_device_name ();
 388
 389         app = hildon_program_get_instance ();
 390         hildon_program_add_window (app, HILDON_WINDOW (self));
 391
 392         /* Set window icon */
 393         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 394         if (window_icon) {
 395                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 396                 g_object_unref (window_icon);
 397         }
 398
 399         /* Listen for changes in the screen, we don't want to show a
 400            led pattern when the display is on for example */
 401         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 402                                       osso_display_event_cb,
 403                                       self);
 404
 405         /* Dont't restore settings here,
 406          * because it requires a gtk_widget_show(),
 407          * and we don't want to do that until later,
 408          * so that the UI is not visible for non-menu D-Bus activation.
 409          */
 410
 411         return MODEST_WINDOW(self);
 412 }
 413
 414 static gboolean
 415 on_zoom_minus_plus_not_implemented (ModestWindow *window)
 416 {
 417         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
 418
 419         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
 420         return FALSE;
 421
 422 }
 423
 424 gboolean
 425 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 426 {
 427         ModestHeaderWindowPrivate *priv = NULL;
 428
 429         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 430
 431         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 432
 433         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 434 }
 435
 436 ModestHeaderView *
 437 modest_header_window_get_header_view (ModestHeaderWindow *self)
 438 {
 439         ModestHeaderWindowPrivate *priv = NULL;
 440
 441         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 442
 443         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 444
 445         return MODEST_HEADER_VIEW (priv->header_view);
 446 }
 447
 448 static void add_to_menu (ModestHeaderWindow *self,
 449                          HildonAppMenu *menu,
 450                          gchar *label,
 451                          GCallback callback)
 452 {
 453         GtkWidget *button;
 454
 455         button = gtk_button_new_with_label (label);
 456         g_signal_connect_after (G_OBJECT (button), "clicked",
 457                                 callback, (gpointer) self);
 458         hildon_app_menu_append (menu, GTK_BUTTON (button));
 459 }
 460
 461 static void setup_menu (ModestHeaderWindow *self)
 462 {
 463         ModestHeaderWindowPrivate *priv = NULL;
 464         GtkWidget *app_menu;
 465
 466         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 467
 468         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 469
 470         app_menu = hildon_app_menu_new ();
 471
 472         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_viewer_newemail"),
 473                      G_CALLBACK (modest_ui_actions_on_new_msg));
 474         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
 475                      G_CALLBACK (modest_ui_actions_on_send_receive));
 476         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_messagedetails"),
 477                      G_CALLBACK (modest_ui_actions_on_details));
 478         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sort"),
 479                      G_CALLBACK (modest_ui_actions_on_sort));
 480         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_delete"),
 481                      G_CALLBACK (set_delete_edit_mode));
 482         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_moveto"),
 483                      G_CALLBACK (set_moveto_edit_mode));
 484
 485         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
 486                                                HILDON_APP_MENU (app_menu));
 487 }
 488
 489 static void
 490 update_view (ModestHeaderWindow *self,
 491              TnyFolderChange *change)
 492 {
 493         ModestHeaderWindowPrivate *priv = NULL;
 494         gboolean refilter = FALSE;
 495         gboolean folder_empty = FALSE;
 496         gboolean all_marked_as_deleted = FALSE;
 497
 498         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 499         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 500         g_return_if_fail (priv->folder);
 501
 502         if (change != NULL) {
 503                 TnyFolderChangeChanged changed;
 504
 505                 changed = tny_folder_change_get_changed (change);
 506                 /* If something changes */
 507                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 508                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 509                 else
 510                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 511
 512                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 513                         refilter = TRUE;
 514         } else {
 515                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 516         }
 517
 518         /* Check if all messages are marked to be deleted */
 519         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 520         folder_empty = folder_empty || all_marked_as_deleted;
 521
 522         /* Set style of headers view */
 523         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 524
 525         if (refilter)
 526                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 527 }
 528
 529 static void
 530 set_contents_state (ModestHeaderWindow *self,
 531                     ContentsState state)
 532 {
 533         ModestHeaderWindowPrivate *priv = NULL;
 534
 535         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 536         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 537
 538         if (priv->contents_state == state)
 539                 return;
 540
 541         /* Remove from container the old content */
 542         switch (priv->contents_state) {
 543         case CONTENTS_STATE_EMPTY:
 544                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 545                 break;
 546         case CONTENTS_STATE_HEADERS:
 547                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 548                 break;
 549         case CONTENTS_STATE_NONE:
 550                 break;
 551         }
 552
 553         /* Add the new content */
 554         switch (state) {
 555         case CONTENTS_STATE_EMPTY:
 556                 gtk_box_pack_end (GTK_BOX (priv->contents_view), priv->empty_view, TRUE, TRUE, 0);
 557                 gtk_widget_show (priv->empty_view);
 558                 break;
 559         case CONTENTS_STATE_HEADERS:
 560                 gtk_box_pack_end (GTK_BOX (priv->contents_view), priv->header_view, TRUE, TRUE, 0);
 561                 gtk_widget_show (priv->header_view);
 562                 break;
 563         case CONTENTS_STATE_NONE:
 564                 break;
 565         }
 566         priv->contents_state = state;
 567
 568 }
 569
 570 static void
 571 on_msg_count_changed (ModestHeaderView *header_view,
 572                       TnyFolder *folder,
 573                       TnyFolderChange *change,
 574                       ModestHeaderWindow *header_window)
 575 {
 576         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 577
 578         update_view (MODEST_HEADER_WINDOW (header_window), change);
 579 }
 580
 581 static void
 582 on_header_activated (ModestHeaderView *header_view,
 583                      TnyHeader *header,
 584                      GtkTreePath *path,
 585                      ModestHeaderWindow *header_window)
 586 {
 587         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 588 }
 589
 590 static void
 591 updating_banner_destroyed (gpointer data,
 592                            GObject *where_the_object_was)
 593 {
 594         ModestHeaderWindowPrivate *priv = NULL;
 595
 596         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 597
 598         priv->updating_banner = NULL;
 599 }
 600
 601 static gboolean
 602 show_updating_banner (gpointer user_data)
 603 {
 604         ModestHeaderWindowPrivate *priv = NULL;
 605
 606         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 607
 608         if (priv->updating_banner == NULL) {
 609
 610                 /* We're outside the main lock */
 611                 gdk_threads_enter ();
 612                 priv->updating_banner =
 613                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 614                                                           _CS ("ckdg_pb_updating"));
 615
 616                 /* We need this because banners in Maemo could be
 617                    destroyed by dialogs so we need to properly update
 618                    our reference to it */
 619                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 620                                    updating_banner_destroyed,
 621                                    user_data);
 622                 gdk_threads_leave ();
 623         }
 624
 625         /* Remove timeout */
 626         priv->updating_banner_timeout = 0;
 627         return FALSE;
 628 }
 629
 630 /**
 631  * We use this function to show/hide a progress banner showing
 632  * "Updating" while the header view is being filled. We're not showing
 633  * it unless the update takes more than 2 seconds
 634  *
 635  * If starting = TRUE then the refresh is starting, otherwise it means
 636  * that is has just finished
 637  */
 638 static void
 639 on_updating_msg_list (ModestHeaderView *header_view,
 640                       gboolean starting,
 641                       gpointer user_data)
 642 {
 643         ModestHeaderWindowPrivate *priv = NULL;
 644
 645         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 646
 647         /* Remove old timeout */
 648         if (priv->updating_banner_timeout > 0) {
 649                 g_source_remove (priv->updating_banner_timeout);
 650                 priv->updating_banner_timeout = 0;
 651         }
 652
 653         /* Create a new timeout */
 654         if (starting) {
 655                 priv->updating_banner_timeout =
 656                         g_timeout_add (2000, show_updating_banner, user_data);
 657         } else {
 658                 /* Remove the banner if exists */
 659                 if (priv->updating_banner) {
 660                         gtk_widget_destroy (priv->updating_banner);
 661                         priv->updating_banner = NULL;
 662                 }
 663         }
 664 }
 665
 666 static void
 667 set_edit_mode (ModestHeaderWindow *self,
 668                EditModeCommand command)
 669 {
 670         ModestHeaderWindowPrivate *priv;
 671
 672         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 673         if (priv->edit_toolbar) {
 674                 gtk_widget_destroy (priv->edit_toolbar);
 675                 priv->edit_toolbar = NULL;
 676         }
 677
 678         if (command == EDIT_MODE_COMMAND_NONE) {
 679                 if (priv->edit_mode) {
 680                         priv->edit_mode = FALSE;
 681                         priv->edit_command = command;
 682                         g_object_set (G_OBJECT (priv->header_view),
 683                                       "hildon-ui-mode", HILDON_UI_MODE_NORMAL,
 684                                       NULL);
 685                         gtk_widget_queue_resize (priv->header_view);
 686                         gtk_window_unfullscreen (GTK_WINDOW (self));
 687                 }
 688         } else {
 689                 if (!priv->edit_mode) {
 690                         GtkTreeSelection *selection;
 691
 692                         g_object_set (G_OBJECT (priv->header_view),
 693                                       "hildon-ui-mode", HILDON_UI_MODE_EDIT,
 694                                       NULL);
 695                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
 696                         gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
 697
 698                         priv->edit_mode = TRUE;
 699                         priv->edit_command = command;
 700
 701                         /* Setup toolbar */
 702                         priv->edit_toolbar = hildon_edit_toolbar_new ();
 703                         switch (command) {
 704                         case EDIT_MODE_COMMAND_DELETE:
 705                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 706                                                                _("TODO: Select messages to delete"));
 707                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 708                                                                       _("TODO: Delete"));
 709                                 break;
 710                         case EDIT_MODE_COMMAND_MOVE:
 711                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 712                                                                _("TODO: Select messages to move"));
 713                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 714                                                                       _("TODO: Move"));
 715                                 break;
 716                         case EDIT_MODE_COMMAND_NONE:
 717                                 g_assert ("Shouldn't reach");
 718                         }
 719                         gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->edit_toolbar, FALSE, FALSE, 0);
 720                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "button-clicked",
 721                                           G_CALLBACK (edit_toolbar_button_clicked), (gpointer) self);
 722                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "arrow-clicked",
 723                                           G_CALLBACK (edit_toolbar_arrow_clicked), (gpointer) self);
 724                         gtk_widget_show (priv->edit_toolbar);
 725
 726                         gtk_widget_queue_resize (priv->header_view);
 727                         gtk_window_fullscreen (GTK_WINDOW (self));
 728                 }
 729         }
 730 }
 731
 732 static void
 733 edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 734                              ModestHeaderWindow *self)
 735 {
 736         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 737 }
 738
 739 static void
 740 edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 741                             ModestHeaderWindow *self)
 742 {
 743         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 744 }
 745
 746 static void
 747 set_delete_edit_mode (GtkButton *button,
 748                       ModestHeaderWindow *self)
 749 {
 750         set_edit_mode (self, EDIT_MODE_COMMAND_DELETE);
 751 }
 752
 753 static void
 754 set_moveto_edit_mode (GtkButton *button,
 755                     ModestHeaderWindow *self)
 756 {
 757         set_edit_mode (self, EDIT_MODE_COMMAND_MOVE);
 758 }