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 *top_vbox;
  72         GtkWidget *edit_toolbar;
  73
  74         /* state bar */
  75         ContentsState contents_state;
  76         gboolean edit_mode;
  77         EditModeCommand edit_command;
  78
  79         TnyFolder *folder;
  80
  81         /* autoscroll */
  82         gboolean autoscroll;
  83
  84         /* banners */
  85         GtkWidget *updating_banner;
  86         guint updating_banner_timeout;
  87
  88         /* signals */
  89         GSList *sighandlers;
  90
  91         /* Display state */
  92         osso_display_state_t display_state;
  93 };
  94 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  95                                                                           MODEST_TYPE_HEADER_WINDOW, \
  96                                                                           ModestHeaderWindowPrivate))
  97
  98 /* 'private'/'protected' functions */
  99 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
 100 static void modest_header_window_init        (ModestHeaderWindow *obj);
 101 static void modest_header_window_finalize    (GObject *obj);
 102
 103 static void connect_signals (ModestHeaderWindow *self);
 104 static void modest_header_window_disconnect_signals (ModestWindow *self);
 105
 106 static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
 107 static void add_to_menu (ModestHeaderWindow *self,
 108                          HildonAppMenu *menu,
 109                          gchar *label,
 110                          GCallback callback);
 111 static void setup_menu (ModestHeaderWindow *self);
 112 static GtkWidget *create_empty_view (void);
 113 static GtkWidget *create_header_view (ModestWindow *progress_window,
 114                                       TnyFolder *folder);
 115
 116 static void update_view (ModestHeaderWindow *self,
 117                          TnyFolderChange *change);
 118 static void set_contents_state (ModestHeaderWindow *window,
 119                                 ContentsState state);
 120
 121 static void on_msg_count_changed (ModestHeaderView *header_view,
 122                                   TnyFolder *folder,
 123                                   TnyFolderChange *change,
 124                                   ModestHeaderWindow *header_window);
 125 static void on_header_activated (ModestHeaderView *header_view,
 126                                  TnyHeader *header,
 127                                  GtkTreePath *path,
 128                                  ModestHeaderWindow *header_window);
 129 static void on_updating_msg_list (ModestHeaderView *header_view,
 130                                   gboolean starting,
 131                                   gpointer user_data);
 132 static void set_edit_mode (ModestHeaderWindow *self,
 133                            EditModeCommand command);
 134 static void edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 135                                          ModestHeaderWindow *self);
 136 static void edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 137                                         ModestHeaderWindow *self);
 138 static void set_delete_edit_mode (GtkButton *button,
 139                                   ModestHeaderWindow *self);
 140 static void set_moveto_edit_mode (GtkButton *button,
 141                                   ModestHeaderWindow *self);
 142 static gboolean on_expose_event(GtkTreeView *header_view,
 143                                 GdkEventExpose *event,
 144                                 gpointer user_data);
 145 static void on_vertical_movement (HildonPannableArea *area,
 146                                   HildonMovementDirection direction,
 147                                   gdouble x, gdouble y, gpointer user_data);
 148
 149 /* globals */
 150 static GtkWindowClass *parent_class = NULL;
 151
 152 #define EMPTYVIEW_XALIGN 0.5
 153 #define EMPTYVIEW_YALIGN 0.0
 154 #define EMPTYVIEW_XSPACE 1.0
 155 #define EMPTYVIEW_YSPACE 0.0
 156
 157
 158
 159 /************************************************************************/
 160
 161 GType
 162 modest_header_window_get_type (void)
 163 {
 164         static GType my_type = 0;
 165         if (!my_type) {
 166                 static const GTypeInfo my_info = {
 167                         sizeof(ModestHeaderWindowClass),
 168                         NULL,           /* base init */
 169                         NULL,           /* base finalize */
 170                         (GClassInitFunc) modest_header_window_class_init,
 171                         NULL,           /* class finalize */
 172                         NULL,           /* class data */
 173                         sizeof(ModestHeaderWindow),
 174                         1,              /* n_preallocs */
 175                         (GInstanceInitFunc) modest_header_window_init,
 176                         NULL
 177                 };
 178                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 179                                                   "ModestHeaderWindow",
 180                                                   &my_info, 0);
 181         }
 182         return my_type;
 183 }
 184
 185 static void
 186 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 187 {
 188         GObjectClass *gobject_class;
 189         gobject_class = (GObjectClass*) klass;
 190         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 191
 192         parent_class            = g_type_class_peek_parent (klass);
 193         gobject_class->finalize = modest_header_window_finalize;
 194
 195         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 196
 197         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
 198         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
 199         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 200 }
 201
 202 static void
 203 modest_header_window_init (ModestHeaderWindow *obj)
 204 {
 205         ModestHeaderWindowPrivate *priv;
 206
 207         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 208
 209         priv->sighandlers = NULL;
 210         priv->display_state = OSSO_DISPLAY_ON;
 211
 212         priv->header_view = NULL;
 213         priv->empty_view = NULL;
 214         priv->top_vbox = NULL;
 215         priv->edit_mode = FALSE;
 216         priv->edit_command = EDIT_MODE_COMMAND_NONE;
 217         priv->edit_toolbar = NULL;
 218         priv->contents_view = NULL;
 219         priv->contents_state = CONTENTS_STATE_NONE;
 220         priv->folder = NULL;
 221         priv->updating_banner = NULL;
 222         priv->updating_banner_timeout = 0;
 223         priv->autoscroll = TRUE;
 224
 225         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 226                                             GTK_WINDOW(obj),
 227                                             "applications_email_headerview");
 228 }
 229
 230 static void
 231 modest_header_window_finalize (GObject *obj)
 232 {
 233         ModestHeaderWindowPrivate *priv;
 234
 235         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 236
 237         g_object_unref (priv->header_view);
 238         g_object_unref (priv->empty_view);
 239         g_object_unref (priv->folder);
 240
 241         /* Sanity check: shouldn't be needed, the window mgr should
 242            call this function before */
 243         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 244
 245         if (priv->updating_banner_timeout > 0) {
 246                 g_source_remove (priv->updating_banner_timeout);
 247                 priv->updating_banner_timeout = 0;
 248         }
 249         if (priv->updating_banner) {
 250                 gtk_widget_destroy (priv->updating_banner);
 251                 priv->updating_banner = NULL;
 252         }
 253
 254         G_OBJECT_CLASS(parent_class)->finalize (obj);
 255 }
 256
 257 static void
 258 modest_header_window_disconnect_signals (ModestWindow *self)
 259 {
 260         ModestHeaderWindowPrivate *priv;
 261         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 262
 263         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 264         priv->sighandlers = NULL;
 265 }
 266
 267 static void
 268 connect_signals (ModestHeaderWindow *self)
 269 {
 270         ModestHeaderWindowPrivate *priv;
 271
 272         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 273
 274         /* header view */
 275
 276         priv->sighandlers =
 277                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 278                                            "msg_count_changed",
 279                                            G_CALLBACK(on_msg_count_changed), self);
 280         priv->sighandlers =
 281                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 282                                            "header-activated",
 283                                            G_CALLBACK (on_header_activated), self);
 284         priv->sighandlers =
 285                 modest_signal_mgr_connect (priv->sighandlers,
 286                                            G_OBJECT (priv->header_view),
 287                                            "updating-msg-list",
 288                                            G_CALLBACK (on_updating_msg_list),
 289                                            self);
 290         priv->sighandlers =
 291                 modest_signal_mgr_connect (priv->sighandlers,
 292                                            G_OBJECT (priv->header_view),
 293                                            "expose-event",
 294                                            G_CALLBACK (on_expose_event),
 295                                            self);
 296
 297         priv->sighandlers =
 298                 modest_signal_mgr_connect (priv->sighandlers,
 299                                            G_OBJECT (priv->contents_view),
 300                                            "vertical-movement",
 301                                            G_CALLBACK (on_vertical_movement),
 302                                            self);
 303
 304         /* TODO: connect header view activate */
 305
 306         /* window */
 307
 308         /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
 309          * in destroy stage */
 310
 311
 312 }
 313
 314 static void
 315 osso_display_event_cb (osso_display_state_t state,
 316                        gpointer data)
 317 {
 318         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 319
 320         priv->display_state = state;
 321
 322         /* Stop blinking if the screen becomes on */
 323         if (priv->display_state == OSSO_DISPLAY_ON)
 324                 modest_platform_remove_new_mail_notifications (TRUE);
 325 }
 326
 327 static GtkWidget *
 328 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 329 {
 330         GtkWidget *header_view;
 331
 332         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 333         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 334                                        TRUE, progress_window, NULL, NULL);
 335         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 336                                       MODEST_CONF_HEADER_VIEW_KEY);
 337
 338         return header_view;
 339 }
 340
 341 static GtkWidget *
 342 create_empty_view (void)
 343 {
 344         GtkWidget *label = NULL;
 345         GtkWidget *align = NULL;
 346
 347         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 348         label = gtk_label_new (_("mcen_ia_nomessages"));
 349         gtk_widget_show (label);
 350         gtk_widget_show (align);
 351         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 352         gtk_container_add (GTK_CONTAINER (align), label);
 353
 354         return align;
 355 }
 356
 357 static void
 358 on_vertical_movement (HildonPannableArea *area,
 359                       HildonMovementDirection direction,
 360                       gdouble x, gdouble y, gpointer user_data)
 361 {
 362         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 363         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 364
 365         priv->autoscroll = FALSE;
 366 }
 367
 368
 369 ModestWindow *
 370 modest_header_window_new (TnyFolder *folder)
 371 {
 372         ModestHeaderWindow *self = NULL;
 373         ModestHeaderWindowPrivate *priv = NULL;
 374         HildonProgram *app;
 375         GdkPixbuf *window_icon;
 376
 377         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 378         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 379
 380         priv->folder = g_object_ref (folder);
 381
 382         priv->contents_view = hildon_pannable_area_new ();
 383
 384         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 385         priv->empty_view = create_empty_view ();
 386         g_object_ref (priv->header_view);
 387         g_object_ref (priv->empty_view);
 388         setup_menu (self);
 389
 390         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 391         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
 392
 393         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 394
 395         gtk_widget_show (priv->contents_view);
 396         gtk_widget_show (priv->top_vbox);
 397
 398         connect_signals (MODEST_HEADER_WINDOW (self));
 399
 400         update_view (self, NULL);
 401
 402         /* Load previous osso state, for instance if we are being restored from
 403          * hibernation:  */
 404         modest_osso_load_state ();
 405
 406         /* Get device name */
 407         modest_maemo_utils_get_device_name ();
 408
 409         app = hildon_program_get_instance ();
 410         hildon_program_add_window (app, HILDON_WINDOW (self));
 411
 412         /* Set window icon */
 413         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 414         if (window_icon) {
 415                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 416                 g_object_unref (window_icon);
 417         }
 418
 419         /* Listen for changes in the screen, we don't want to show a
 420            led pattern when the display is on for example */
 421         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 422                                       osso_display_event_cb,
 423                                       self);
 424
 425         /* Dont't restore settings here,
 426          * because it requires a gtk_widget_show(),
 427          * and we don't want to do that until later,
 428          * so that the UI is not visible for non-menu D-Bus activation.
 429          */
 430
 431         return MODEST_WINDOW(self);
 432 }
 433
 434 static gboolean
 435 on_zoom_minus_plus_not_implemented (ModestWindow *window)
 436 {
 437         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
 438
 439         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
 440         return FALSE;
 441
 442 }
 443
 444 gboolean
 445 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 446 {
 447         ModestHeaderWindowPrivate *priv = NULL;
 448
 449         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 450
 451         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 452
 453         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 454 }
 455
 456 ModestHeaderView *
 457 modest_header_window_get_header_view (ModestHeaderWindow *self)
 458 {
 459         ModestHeaderWindowPrivate *priv = NULL;
 460
 461         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 462
 463         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 464
 465         return MODEST_HEADER_VIEW (priv->header_view);
 466 }
 467
 468 static void add_to_menu (ModestHeaderWindow *self,
 469                          HildonAppMenu *menu,
 470                          gchar *label,
 471                          GCallback callback)
 472 {
 473         GtkWidget *button;
 474
 475         button = gtk_button_new_with_label (label);
 476         g_signal_connect_after (G_OBJECT (button), "clicked",
 477                                 callback, (gpointer) self);
 478         hildon_app_menu_append (menu, GTK_BUTTON (button));
 479 }
 480
 481 static void setup_menu (ModestHeaderWindow *self)
 482 {
 483         ModestHeaderWindowPrivate *priv = NULL;
 484         GtkWidget *app_menu;
 485
 486         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 487
 488         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 489
 490         app_menu = hildon_app_menu_new ();
 491
 492         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_viewer_newemail"),
 493                      G_CALLBACK (modest_ui_actions_on_new_msg));
 494         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
 495                      G_CALLBACK (modest_ui_actions_on_send_receive));
 496         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_messagedetails"),
 497                      G_CALLBACK (modest_ui_actions_on_details));
 498         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sort"),
 499                      G_CALLBACK (modest_ui_actions_on_sort));
 500         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_delete"),
 501                      G_CALLBACK (set_delete_edit_mode));
 502         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_moveto"),
 503                      G_CALLBACK (set_moveto_edit_mode));
 504
 505         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
 506                                                HILDON_APP_MENU (app_menu));
 507 }
 508
 509 static void
 510 update_view (ModestHeaderWindow *self,
 511              TnyFolderChange *change)
 512 {
 513         ModestHeaderWindowPrivate *priv = NULL;
 514         gboolean refilter = FALSE;
 515         gboolean folder_empty = FALSE;
 516         gboolean all_marked_as_deleted = FALSE;
 517
 518         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 519         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 520         g_return_if_fail (priv->folder);
 521
 522         if (change != NULL) {
 523                 TnyFolderChangeChanged changed;
 524
 525                 changed = tny_folder_change_get_changed (change);
 526                 /* If something changes */
 527                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 528                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 529                 else
 530                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 531
 532                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 533                         refilter = TRUE;
 534         } else {
 535                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 536         }
 537
 538         /* Check if all messages are marked to be deleted */
 539         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 540         folder_empty = folder_empty || all_marked_as_deleted;
 541
 542         /* Set style of headers view */
 543         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 544
 545         if (refilter)
 546                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 547 }
 548
 549 static void
 550 set_contents_state (ModestHeaderWindow *self,
 551                     ContentsState state)
 552 {
 553         ModestHeaderWindowPrivate *priv = NULL;
 554
 555         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 556         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 557
 558         if (priv->contents_state == state)
 559                 return;
 560
 561         /* Remove from container the old content */
 562         switch (priv->contents_state) {
 563         case CONTENTS_STATE_EMPTY:
 564                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 565                 break;
 566         case CONTENTS_STATE_HEADERS:
 567                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 568                 break;
 569         case CONTENTS_STATE_NONE:
 570                 break;
 571         }
 572
 573         /* Add the new content */
 574         switch (state) {
 575         case CONTENTS_STATE_EMPTY:
 576                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 577                 gtk_widget_show (priv->empty_view);
 578                 break;
 579         case CONTENTS_STATE_HEADERS:
 580                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
 581                 gtk_widget_show (priv->header_view);
 582                 break;
 583         case CONTENTS_STATE_NONE:
 584                 break;
 585         }
 586         priv->contents_state = state;
 587
 588 }
 589
 590 static void
 591 on_msg_count_changed (ModestHeaderView *header_view,
 592                       TnyFolder *folder,
 593                       TnyFolderChange *change,
 594                       ModestHeaderWindow *header_window)
 595 {
 596         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 597
 598         update_view (MODEST_HEADER_WINDOW (header_window), change);
 599 }
 600
 601 static void
 602 on_header_activated (ModestHeaderView *header_view,
 603                      TnyHeader *header,
 604                      GtkTreePath *path,
 605                      ModestHeaderWindow *header_window)
 606 {
 607         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 608 }
 609
 610 static void
 611 updating_banner_destroyed (gpointer data,
 612                            GObject *where_the_object_was)
 613 {
 614         ModestHeaderWindowPrivate *priv = NULL;
 615
 616         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 617
 618         priv->updating_banner = NULL;
 619 }
 620
 621 static gboolean
 622 show_updating_banner (gpointer user_data)
 623 {
 624         ModestHeaderWindowPrivate *priv = NULL;
 625
 626         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 627
 628         if (priv->updating_banner == NULL) {
 629
 630                 /* We're outside the main lock */
 631                 gdk_threads_enter ();
 632                 priv->updating_banner =
 633                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 634                                                           _CS ("ckdg_pb_updating"));
 635
 636                 /* We need this because banners in Maemo could be
 637                    destroyed by dialogs so we need to properly update
 638                    our reference to it */
 639                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 640                                    updating_banner_destroyed,
 641                                    user_data);
 642                 gdk_threads_leave ();
 643         }
 644
 645         /* Remove timeout */
 646         priv->updating_banner_timeout = 0;
 647         return FALSE;
 648 }
 649
 650 /**
 651  * We use this function to show/hide a progress banner showing
 652  * "Updating" while the header view is being filled. We're not showing
 653  * it unless the update takes more than 2 seconds
 654  *
 655  * If starting = TRUE then the refresh is starting, otherwise it means
 656  * that is has just finished
 657  */
 658 static void
 659 on_updating_msg_list (ModestHeaderView *header_view,
 660                       gboolean starting,
 661                       gpointer user_data)
 662 {
 663         ModestHeaderWindowPrivate *priv = NULL;
 664
 665         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 666
 667         /* Remove old timeout */
 668         if (priv->updating_banner_timeout > 0) {
 669                 g_source_remove (priv->updating_banner_timeout);
 670                 priv->updating_banner_timeout = 0;
 671         }
 672
 673         /* Create a new timeout */
 674         if (starting) {
 675                 priv->updating_banner_timeout =
 676                         g_timeout_add (2000, show_updating_banner, user_data);
 677         } else {
 678                 /* Remove the banner if exists */
 679                 if (priv->updating_banner) {
 680                         gtk_widget_destroy (priv->updating_banner);
 681                         priv->updating_banner = NULL;
 682                 }
 683         }
 684 }
 685
 686 static void
 687 set_edit_mode (ModestHeaderWindow *self,
 688                EditModeCommand command)
 689 {
 690         ModestHeaderWindowPrivate *priv;
 691
 692         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 693         if (priv->edit_toolbar) {
 694                 gtk_widget_destroy (priv->edit_toolbar);
 695                 priv->edit_toolbar = NULL;
 696         }
 697
 698         if (command == EDIT_MODE_COMMAND_NONE) {
 699                 if (priv->edit_mode) {
 700                         priv->edit_mode = FALSE;
 701                         priv->edit_command = command;
 702                         g_object_set (G_OBJECT (priv->header_view),
 703                                       "hildon-ui-mode", HILDON_UI_MODE_NORMAL,
 704                                       NULL);
 705                         gtk_widget_queue_resize (priv->header_view);
 706                         gtk_window_unfullscreen (GTK_WINDOW (self));
 707                 }
 708         } else {
 709                 if (!priv->edit_mode) {
 710                         GtkTreeSelection *selection;
 711
 712                         g_object_set (G_OBJECT (priv->header_view),
 713                                       "hildon-ui-mode", HILDON_UI_MODE_EDIT,
 714                                       NULL);
 715                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
 716                         gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
 717                         gtk_tree_selection_unselect_all (selection);
 718
 719                         priv->edit_mode = TRUE;
 720                         priv->edit_command = command;
 721
 722                         /* Setup toolbar */
 723                         priv->edit_toolbar = hildon_edit_toolbar_new ();
 724                         switch (command) {
 725                         case EDIT_MODE_COMMAND_DELETE:
 726                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 727                                                                _("TODO: Select messages to delete"));
 728                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 729                                                                       _("TODO: Delete"));
 730                                 break;
 731                         case EDIT_MODE_COMMAND_MOVE:
 732                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 733                                                                _("TODO: Select messages to move"));
 734                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 735                                                                       _("TODO: Move"));
 736                                 break;
 737                         case EDIT_MODE_COMMAND_NONE:
 738                                 g_assert ("Shouldn't reach");
 739                         }
 740                         gtk_box_pack_start (GTK_BOX (priv->top_vbox), priv->edit_toolbar, FALSE, FALSE, 0);
 741                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "button-clicked",
 742                                           G_CALLBACK (edit_toolbar_button_clicked), (gpointer) self);
 743                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "arrow-clicked",
 744                                           G_CALLBACK (edit_toolbar_arrow_clicked), (gpointer) self);
 745                         gtk_widget_show (priv->edit_toolbar);
 746
 747                         gtk_widget_queue_resize (priv->header_view);
 748                         gtk_window_fullscreen (GTK_WINDOW (self));
 749                 }
 750         }
 751 }
 752
 753 static void
 754 edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 755                              ModestHeaderWindow *self)
 756 {
 757         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 758 }
 759
 760 static void
 761 edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 762                             ModestHeaderWindow *self)
 763 {
 764         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 765 }
 766
 767 static void
 768 set_delete_edit_mode (GtkButton *button,
 769                       ModestHeaderWindow *self)
 770 {
 771         set_edit_mode (self, EDIT_MODE_COMMAND_DELETE);
 772 }
 773
 774 static void
 775 set_moveto_edit_mode (GtkButton *button,
 776                     ModestHeaderWindow *self)
 777 {
 778         set_edit_mode (self, EDIT_MODE_COMMAND_MOVE);
 779 }
 780
 781 static gboolean
 782 on_expose_event(GtkTreeView *header_view,
 783                 GdkEventExpose *event,
 784                 gpointer user_data)
 785 {
 786         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 787         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 788
 789         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 790
 791         if (priv->autoscroll)
 792                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
 793
 794         return FALSE;
 795 }