git.maemo.org Git - modest/blob - src/hildon2/modest-header-window.c

   1 /* Copyright (c) 2008, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <modest-header-window.h>
  31 #include <modest-osso-state-saving.h>
  32 #include <libosso.h>
  33 #include <hildon/hildon-pannable-area.h>
  34 #include <modest-window-mgr.h>
  35 #include <modest-window-priv.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 #include <modest-ui-dimming-rules.h>
  53 #include <modest-tny-folder.h>
  54
  55 typedef enum {
  56         CONTENTS_STATE_NONE = 0,
  57         CONTENTS_STATE_EMPTY = 1,
  58         CONTENTS_STATE_HEADERS = 2
  59 } ContentsState;
  60
  61 typedef enum {
  62         EDIT_MODE_COMMAND_MOVE = 1,
  63         EDIT_MODE_COMMAND_DELETE = 2,
  64 } EditModeCommand;
  65
  66 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
  67 struct _ModestHeaderWindowPrivate {
  68
  69         GtkWidget *header_view;
  70         GtkWidget *empty_view;
  71         GtkWidget *contents_view;
  72         GtkWidget *top_vbox;
  73
  74         /* state bar */
  75         ContentsState contents_state;
  76
  77         TnyFolder *folder;
  78
  79         /* autoscroll */
  80         gboolean autoscroll;
  81
  82         /* banners */
  83         GtkWidget *updating_banner;
  84         guint updating_banner_timeout;
  85
  86         /* signals */
  87         GSList *sighandlers;
  88         gulong queue_change_handler;
  89
  90         /* Display state */
  91         osso_display_state_t display_state;
  92
  93         /* progress hint */
  94         gboolean progress_hint;
  95 };
  96 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  97                                                                           MODEST_TYPE_HEADER_WINDOW, \
  98                                                                           ModestHeaderWindowPrivate))
  99
 100 /* 'private'/'protected' functions */
 101 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
 102 static void modest_header_window_init        (ModestHeaderWindow *obj);
 103 static void modest_header_window_finalize    (GObject *obj);
 104
 105 static void connect_signals (ModestHeaderWindow *self);
 106 static void modest_header_window_disconnect_signals (ModestWindow *self);
 107
 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_delete_edit_mode (GtkButton *button,
 130                                   ModestHeaderWindow *self);
 131 static void set_moveto_edit_mode (GtkButton *button,
 132                                   ModestHeaderWindow *self);
 133 static gboolean on_expose_event(GtkTreeView *header_view,
 134                                 GdkEventExpose *event,
 135                                 gpointer user_data);
 136 static void on_vertical_movement (HildonPannableArea *area,
 137                                   HildonMovementDirection direction,
 138                                   gdouble x, gdouble y, gpointer user_data);
 139 static void set_progress_hint    (ModestHeaderWindow *self,
 140                                   gboolean enabled);
 141 static void on_queue_changed    (ModestMailOperationQueue *queue,
 142                                  ModestMailOperation *mail_op,
 143                                  ModestMailOperationQueueNotification type,
 144                                  ModestHeaderWindow *self);
 145 static void modest_header_window_show_toolbar   (ModestWindow *window,
 146                                                  gboolean show_toolbar);
 147 static void modest_header_window_pack_toolbar (ModestHildon2Window *self,
 148                                                GtkPackType pack_type,
 149                                                GtkWidget *toolbar);
 150
 151
 152 /* globals */
 153 static GtkWindowClass *parent_class = NULL;
 154
 155 #define EMPTYVIEW_XALIGN 0.5
 156 #define EMPTYVIEW_YALIGN 0.0
 157 #define EMPTYVIEW_XSPACE 1.0
 158 #define EMPTYVIEW_YSPACE 0.0
 159
 160
 161
 162 /************************************************************************/
 163
 164 GType
 165 modest_header_window_get_type (void)
 166 {
 167         static GType my_type = 0;
 168         if (!my_type) {
 169                 static const GTypeInfo my_info = {
 170                         sizeof(ModestHeaderWindowClass),
 171                         NULL,           /* base init */
 172                         NULL,           /* base finalize */
 173                         (GClassInitFunc) modest_header_window_class_init,
 174                         NULL,           /* class finalize */
 175                         NULL,           /* class data */
 176                         sizeof(ModestHeaderWindow),
 177                         1,              /* n_preallocs */
 178                         (GInstanceInitFunc) modest_header_window_init,
 179                         NULL
 180                 };
 181                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
 182                                                   "ModestHeaderWindow",
 183                                                   &my_info, 0);
 184         }
 185         return my_type;
 186 }
 187
 188 static void
 189 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 190 {
 191         GObjectClass *gobject_class;
 192         gobject_class = (GObjectClass*) klass;
 193         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 194         ModestHildon2WindowClass *modest_hildon2_window_class = (ModestHildon2WindowClass *) klass;
 195
 196         parent_class            = g_type_class_peek_parent (klass);
 197         gobject_class->finalize = modest_header_window_finalize;
 198
 199         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 200
 201         modest_window_class->show_toolbar_func = modest_header_window_show_toolbar;
 202         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 203         modest_hildon2_window_class->pack_toolbar_func = modest_header_window_pack_toolbar;
 204 }
 205
 206 static void
 207 modest_header_window_init (ModestHeaderWindow *obj)
 208 {
 209         ModestHeaderWindowPrivate *priv;
 210
 211         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 212
 213         priv->sighandlers = NULL;
 214         priv->display_state = OSSO_DISPLAY_ON;
 215
 216         priv->header_view = NULL;
 217         priv->empty_view = NULL;
 218         priv->top_vbox = NULL;
 219         priv->contents_view = NULL;
 220         priv->contents_state = CONTENTS_STATE_NONE;
 221         priv->folder = NULL;
 222         priv->updating_banner = NULL;
 223         priv->updating_banner_timeout = 0;
 224         priv->autoscroll = TRUE;
 225         priv->progress_hint = FALSE;
 226         priv->queue_change_handler = 0;
 227
 228         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 229                                             GTK_WINDOW(obj),
 230                                             "applications_email_headerview");
 231 }
 232
 233 static void
 234 modest_header_window_finalize (GObject *obj)
 235 {
 236         ModestHeaderWindowPrivate *priv;
 237
 238         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 239
 240         g_object_unref (priv->header_view);
 241         g_object_unref (priv->empty_view);
 242         g_object_unref (priv->folder);
 243
 244         /* Sanity check: shouldn't be needed, the window mgr should
 245            call this function before */
 246         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 247
 248         if (priv->updating_banner_timeout > 0) {
 249                 g_source_remove (priv->updating_banner_timeout);
 250                 priv->updating_banner_timeout = 0;
 251         }
 252         if (priv->updating_banner) {
 253                 gtk_widget_destroy (priv->updating_banner);
 254                 priv->updating_banner = NULL;
 255         }
 256
 257         G_OBJECT_CLASS(parent_class)->finalize (obj);
 258 }
 259
 260 static void
 261 modest_header_window_disconnect_signals (ModestWindow *self)
 262 {
 263         ModestHeaderWindowPrivate *priv;
 264         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 265
 266         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 267                                            priv->queue_change_handler))
 268                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 269                                              priv->queue_change_handler);
 270
 271         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 272         priv->sighandlers = NULL;
 273
 274 }
 275
 276 static void
 277 connect_signals (ModestHeaderWindow *self)
 278 {
 279         ModestHeaderWindowPrivate *priv;
 280
 281         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 282
 283         /* header view */
 284
 285         priv->sighandlers =
 286                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 287                                            "msg_count_changed",
 288                                            G_CALLBACK(on_msg_count_changed), self);
 289         priv->sighandlers =
 290                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 291                                            "header-activated",
 292                                            G_CALLBACK (on_header_activated), self);
 293         priv->sighandlers =
 294                 modest_signal_mgr_connect (priv->sighandlers,
 295                                            G_OBJECT (priv->header_view),
 296                                            "updating-msg-list",
 297                                            G_CALLBACK (on_updating_msg_list),
 298                                            self);
 299         priv->sighandlers =
 300                 modest_signal_mgr_connect (priv->sighandlers,
 301                                            G_OBJECT (priv->header_view),
 302                                            "expose-event",
 303                                            G_CALLBACK (on_expose_event),
 304                                            self);
 305
 306         priv->sighandlers =
 307                 modest_signal_mgr_connect (priv->sighandlers,
 308                                            G_OBJECT (priv->contents_view),
 309                                            "vertical-movement",
 310                                            G_CALLBACK (on_vertical_movement),
 311                                            self);
 312
 313         /* Mail Operation Queue */
 314         priv->queue_change_handler =
 315                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 316                                   "queue-changed",
 317                                   G_CALLBACK (on_queue_changed),
 318                                   self);
 319 }
 320
 321 static void
 322 osso_display_event_cb (osso_display_state_t state,
 323                        gpointer data)
 324 {
 325         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 326
 327         priv->display_state = state;
 328
 329         /* Stop blinking if the screen becomes on */
 330         if (priv->display_state == OSSO_DISPLAY_ON)
 331                 modest_platform_remove_new_mail_notifications (TRUE);
 332 }
 333
 334 static GtkWidget *
 335 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 336 {
 337         GtkWidget *header_view;
 338
 339         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 340         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 341                                        TRUE, progress_window, NULL, NULL);
 342         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 343                                       MODEST_CONF_HEADER_VIEW_KEY);
 344
 345         return header_view;
 346 }
 347
 348 static GtkWidget *
 349 create_empty_view (void)
 350 {
 351         GtkWidget *label = NULL;
 352         GtkWidget *align = NULL;
 353
 354         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 355         label = gtk_label_new (_("mcen_ia_nomessages"));
 356         gtk_widget_show (label);
 357         gtk_widget_show (align);
 358         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 359         gtk_container_add (GTK_CONTAINER (align), label);
 360
 361         return align;
 362 }
 363
 364 static void
 365 on_vertical_movement (HildonPannableArea *area,
 366                       HildonMovementDirection direction,
 367                       gdouble x, gdouble y, gpointer user_data)
 368 {
 369         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 370         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 371
 372         priv->autoscroll = FALSE;
 373 }
 374
 375
 376 ModestWindow *
 377 modest_header_window_new (TnyFolder *folder)
 378 {
 379         ModestHeaderWindow *self = NULL;
 380         ModestHeaderWindowPrivate *priv = NULL;
 381         HildonProgram *app;
 382         GdkPixbuf *window_icon;
 383
 384         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 385         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 386
 387         priv->folder = g_object_ref (folder);
 388
 389         priv->contents_view = hildon_pannable_area_new ();
 390
 391         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 392         priv->empty_view = create_empty_view ();
 393         g_object_ref (priv->header_view);
 394         g_object_ref (priv->empty_view);
 395         setup_menu (self);
 396
 397         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 398         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
 399
 400         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 401
 402         gtk_widget_show (priv->contents_view);
 403         gtk_widget_show (priv->top_vbox);
 404
 405         connect_signals (MODEST_HEADER_WINDOW (self));
 406
 407         update_view (self, NULL);
 408
 409         /* Load previous osso state, for instance if we are being restored from
 410          * hibernation:  */
 411         modest_osso_load_state ();
 412
 413         /* Get device name */
 414         modest_maemo_utils_get_device_name ();
 415
 416         app = hildon_program_get_instance ();
 417         hildon_program_add_window (app, HILDON_WINDOW (self));
 418
 419         /* Set window icon */
 420         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 421         if (window_icon) {
 422                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 423                 g_object_unref (window_icon);
 424         }
 425
 426         /* Set window title */
 427         if (TNY_IS_FOLDER (folder)) {
 428                 gchar *folder_name;
 429
 430                 folder_name = modest_tny_folder_get_display_name (folder);
 431                 gtk_window_set_title (GTK_WINDOW (self), folder_name);
 432                 g_free (folder_name);
 433         }
 434
 435         /* Listen for changes in the screen, we don't want to show a
 436            led pattern when the display is on for example */
 437         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 438                                       osso_display_event_cb,
 439                                       self);
 440
 441         /* Dont't restore settings here,
 442          * because it requires a gtk_widget_show(),
 443          * and we don't want to do that until later,
 444          * so that the UI is not visible for non-menu D-Bus activation.
 445          */
 446
 447         /* setup edit modes */
 448         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE,
 449                                                   _("TODO: Select messages to delete"), _("TODO: Delete"),
 450                                                   GTK_TREE_VIEW (priv->header_view),
 451                                                   GTK_SELECTION_MULTIPLE,
 452                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_delete_message));
 453         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE,
 454                                                   _("TODO: Select messages to move"), _("TODO: Move"),
 455                                                   GTK_TREE_VIEW (priv->header_view),
 456                                                   GTK_SELECTION_MULTIPLE,
 457                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_move_to));
 458
 459         return MODEST_WINDOW(self);
 460 }
 461
 462 gboolean
 463 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 464 {
 465         ModestHeaderWindowPrivate *priv = NULL;
 466
 467         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 468
 469         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 470
 471         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 472 }
 473
 474 ModestHeaderView *
 475 modest_header_window_get_header_view (ModestHeaderWindow *self)
 476 {
 477         ModestHeaderWindowPrivate *priv = NULL;
 478
 479         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 480
 481         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 482
 483         return MODEST_HEADER_VIEW (priv->header_view);
 484 }
 485
 486 static void setup_menu (ModestHeaderWindow *self)
 487 {
 488         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 489
 490         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_moveto"),
 491                                            APP_MENU_CALLBACK (set_moveto_edit_mode),
 492                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_delete));
 493         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_delete"),
 494                                            APP_MENU_CALLBACK (set_delete_edit_mode),
 495                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_move_to));
 496         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_messagedetails"),
 497                                            APP_MENU_CALLBACK (modest_ui_actions_on_details),
 498                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_details));
 499         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sort"),
 500                                            APP_MENU_CALLBACK (modest_ui_actions_on_sort),
 501                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_sort));
 502         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_viewer_newemail"),
 503                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_msg),
 504                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_new_msg));
 505         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"),
 506                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
 507                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive));
 508         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"),
 509                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
 510                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
 511 }
 512
 513 static void
 514 update_view (ModestHeaderWindow *self,
 515              TnyFolderChange *change)
 516 {
 517         ModestHeaderWindowPrivate *priv = NULL;
 518         gboolean refilter = FALSE;
 519         gboolean folder_empty = FALSE;
 520         gboolean all_marked_as_deleted = FALSE;
 521
 522         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 523         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 524         g_return_if_fail (priv->folder);
 525
 526         if (change != NULL) {
 527                 TnyFolderChangeChanged changed;
 528
 529                 changed = tny_folder_change_get_changed (change);
 530                 /* If something changes */
 531                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 532                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 533                 else
 534                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 535
 536                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 537                         refilter = TRUE;
 538         } else {
 539                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 540         }
 541
 542         /* Check if all messages are marked to be deleted */
 543         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 544         folder_empty = folder_empty || all_marked_as_deleted;
 545
 546         /* Set style of headers view */
 547         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 548
 549         if (refilter)
 550                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 551 }
 552
 553 static void
 554 set_contents_state (ModestHeaderWindow *self,
 555                     ContentsState state)
 556 {
 557         ModestHeaderWindowPrivate *priv = NULL;
 558
 559         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 560         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 561
 562         if (priv->contents_state == state)
 563                 return;
 564
 565         /* Remove from container the old content */
 566         switch (priv->contents_state) {
 567         case CONTENTS_STATE_EMPTY:
 568                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 569                 break;
 570         case CONTENTS_STATE_HEADERS:
 571                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 572                 break;
 573         case CONTENTS_STATE_NONE:
 574                 break;
 575         }
 576
 577         /* Add the new content */
 578         switch (state) {
 579         case CONTENTS_STATE_EMPTY:
 580                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 581                 gtk_widget_show (priv->empty_view);
 582                 break;
 583         case CONTENTS_STATE_HEADERS:
 584                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
 585                 gtk_widget_show (priv->header_view);
 586                 break;
 587         case CONTENTS_STATE_NONE:
 588                 break;
 589         }
 590         priv->contents_state = state;
 591
 592 }
 593
 594 static void
 595 on_msg_count_changed (ModestHeaderView *header_view,
 596                       TnyFolder *folder,
 597                       TnyFolderChange *change,
 598                       ModestHeaderWindow *header_window)
 599 {
 600         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 601
 602         update_view (MODEST_HEADER_WINDOW (header_window), change);
 603 }
 604
 605 static void
 606 on_header_activated (ModestHeaderView *header_view,
 607                      TnyHeader *header,
 608                      GtkTreePath *path,
 609                      ModestHeaderWindow *header_window)
 610 {
 611         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 612 }
 613
 614 static void
 615 updating_banner_destroyed (gpointer data,
 616                            GObject *where_the_object_was)
 617 {
 618         ModestHeaderWindowPrivate *priv = NULL;
 619
 620         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 621
 622         priv->updating_banner = NULL;
 623 }
 624
 625 static gboolean
 626 show_updating_banner (gpointer user_data)
 627 {
 628         ModestHeaderWindowPrivate *priv = NULL;
 629
 630         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 631
 632         if (priv->updating_banner == NULL) {
 633
 634                 /* We're outside the main lock */
 635                 gdk_threads_enter ();
 636                 priv->updating_banner =
 637                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 638                                                           _CS ("ckdg_pb_updating"));
 639
 640                 /* We need this because banners in Maemo could be
 641                    destroyed by dialogs so we need to properly update
 642                    our reference to it */
 643                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 644                                    updating_banner_destroyed,
 645                                    user_data);
 646                 gdk_threads_leave ();
 647         }
 648
 649         /* Remove timeout */
 650         priv->updating_banner_timeout = 0;
 651         return FALSE;
 652 }
 653
 654 /**
 655  * We use this function to show/hide a progress banner showing
 656  * "Updating" while the header view is being filled. We're not showing
 657  * it unless the update takes more than 2 seconds
 658  *
 659  * If starting = TRUE then the refresh is starting, otherwise it means
 660  * that is has just finished
 661  */
 662 static void
 663 on_updating_msg_list (ModestHeaderView *header_view,
 664                       gboolean starting,
 665                       gpointer user_data)
 666 {
 667         ModestHeaderWindowPrivate *priv = NULL;
 668
 669         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 670
 671         /* Remove old timeout */
 672         if (priv->updating_banner_timeout > 0) {
 673                 g_source_remove (priv->updating_banner_timeout);
 674                 priv->updating_banner_timeout = 0;
 675         }
 676
 677         /* Create a new timeout */
 678         if (starting) {
 679                 priv->updating_banner_timeout =
 680                         g_timeout_add (2000, show_updating_banner, user_data);
 681         } else {
 682                 /* Remove the banner if exists */
 683                 if (priv->updating_banner) {
 684                         gtk_widget_destroy (priv->updating_banner);
 685                         priv->updating_banner = NULL;
 686                 }
 687         }
 688 }
 689
 690 static void
 691 set_delete_edit_mode (GtkButton *button,
 692                       ModestHeaderWindow *self)
 693 {
 694         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE);
 695 }
 696
 697 static void
 698 set_moveto_edit_mode (GtkButton *button,
 699                     ModestHeaderWindow *self)
 700 {
 701         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE);
 702 }
 703
 704 static gboolean
 705 on_expose_event(GtkTreeView *header_view,
 706                 GdkEventExpose *event,
 707                 gpointer user_data)
 708 {
 709         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 710         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 711
 712         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 713
 714         if (priv->autoscroll)
 715                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
 716
 717         return FALSE;
 718 }
 719
 720 static gboolean
 721 set_toolbar_transfer_mode (ModestHeaderWindow *self)
 722 {
 723         ModestHeaderWindowPrivate *priv = NULL;
 724
 725         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 726
 727         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 728
 729         set_progress_hint (self, TRUE);
 730
 731         return FALSE;
 732 }
 733
 734 static void
 735 set_progress_hint (ModestHeaderWindow *self,
 736                    gboolean enabled)
 737 {
 738         ModestWindowPrivate *parent_priv;
 739         ModestHeaderWindowPrivate *priv;
 740
 741         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 742
 743         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 744         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 745
 746         /* Sets current progress hint */
 747         priv->progress_hint = enabled;
 748
 749         if (GTK_WIDGET_VISIBLE (self)) {
 750                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), enabled?1:0);
 751         }
 752
 753 }
 754
 755 gboolean
 756 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
 757 {
 758         ModestHeaderWindowPrivate *priv= NULL;
 759
 760         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 761         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 762
 763         return priv->progress_hint;
 764 }
 765
 766 static void
 767 modest_header_window_show_toolbar (ModestWindow *self,
 768                                    gboolean show_toolbar)
 769 {
 770         ModestHeaderWindowPrivate *priv = NULL;
 771         ModestWindowPrivate *parent_priv;
 772
 773         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 774         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 775
 776         if (modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (self)))
 777                 set_progress_hint (MODEST_HEADER_WINDOW (self), TRUE);
 778         else
 779                 set_progress_hint (MODEST_HEADER_WINDOW (self), FALSE);
 780 }
 781
 782 gboolean
 783 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
 784 {
 785         ModestHeaderWindowPrivate *priv;
 786
 787         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 788         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 789
 790         return priv->progress_hint;
 791 }
 792
 793 static void
 794 on_mail_operation_started (ModestMailOperation *mail_op,
 795                            gpointer user_data)
 796 {
 797         ModestHeaderWindow *self;
 798         ModestMailOperationTypeOperation op_type;
 799         GObject *source = NULL;
 800
 801         self = MODEST_HEADER_WINDOW (user_data);
 802         op_type = modest_mail_operation_get_type_operation (mail_op);
 803         source = modest_mail_operation_get_source(mail_op);
 804         if (G_OBJECT (self) == source) {
 805                 set_toolbar_transfer_mode(self);
 806         }
 807         g_object_unref (source);
 808 }
 809
 810 static void
 811 on_mail_operation_finished (ModestMailOperation *mail_op,
 812                             gpointer user_data)
 813 {
 814         ModestHeaderWindow *self;
 815         ModestMailOperationTypeOperation op_type;
 816         GSList *operations = NULL;
 817         ModestMailOperationQueue *queue;
 818
 819         self = MODEST_HEADER_WINDOW (user_data);
 820         op_type = modest_mail_operation_get_type_operation (mail_op);
 821
 822         queue = modest_runtime_get_mail_operation_queue ();
 823         operations = modest_mail_operation_queue_get_by_source (queue, user_data);
 824
 825         /* There should be at least the current one */
 826         if (!operations)
 827                 g_return_if_reached ();
 828
 829         /* Don't disable the progress hint if there are more pending
 830            operations from this window */
 831         if (g_slist_length (operations) == 1)
 832                 set_progress_hint (self, FALSE);
 833
 834         g_slist_free (operations);
 835         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
 836 }
 837
 838 static void
 839 on_queue_changed (ModestMailOperationQueue *queue,
 840                   ModestMailOperation *mail_op,
 841                   ModestMailOperationQueueNotification type,
 842                   ModestHeaderWindow *self)
 843 {
 844         ModestHeaderWindowPrivate *priv;
 845
 846         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 847
 848         /* If this operations was created by another window, do nothing */
 849         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self)))
 850                 return;
 851
 852         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
 853                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 854                                                                G_OBJECT (mail_op),
 855                                                                "operation-started",
 856                                                                G_CALLBACK (on_mail_operation_started),
 857                                                                self);
 858                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 859                                                                G_OBJECT (mail_op),
 860                                                                "operation-finished",
 861                                                                G_CALLBACK (on_mail_operation_finished),
 862                                                                self);
 863         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
 864                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 865                                                                   G_OBJECT (mail_op),
 866                                                                   "operation-started");
 867                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 868                                                                   G_OBJECT (mail_op),
 869                                                                   "operation-finished");
 870         }
 871 }
 872
 873 static void
 874 modest_header_window_pack_toolbar (ModestHildon2Window *self,
 875                                    GtkPackType pack_type,
 876                                    GtkWidget *toolbar)
 877 {
 878         ModestHeaderWindowPrivate *priv;
 879
 880         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 881         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 882
 883         if (pack_type == GTK_PACK_START) {
 884                 gtk_box_pack_start (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 885         } else {
 886                 gtk_box_pack_end (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 887         }
 888 }