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         /* progress hint */
  91         gboolean progress_hint;
  92         gchar *current_store_account;
  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 void setup_menu (ModestHeaderWindow *self);
 107 static GtkWidget *create_empty_view (void);
 108 static GtkWidget *create_header_view (ModestWindow *progress_window,
 109                                       TnyFolder *folder);
 110
 111 static void update_view (ModestHeaderWindow *self,
 112                          TnyFolderChange *change);
 113 static void set_contents_state (ModestHeaderWindow *window,
 114                                 ContentsState state);
 115
 116 static void on_msg_count_changed (ModestHeaderView *header_view,
 117                                   TnyFolder *folder,
 118                                   TnyFolderChange *change,
 119                                   ModestHeaderWindow *header_window);
 120 static void on_header_activated (ModestHeaderView *header_view,
 121                                  TnyHeader *header,
 122                                  GtkTreePath *path,
 123                                  ModestHeaderWindow *header_window);
 124 static void on_updating_msg_list (ModestHeaderView *header_view,
 125                                   gboolean starting,
 126                                   gpointer user_data);
 127 static void set_delete_edit_mode (GtkButton *button,
 128                                   ModestHeaderWindow *self);
 129 static void set_moveto_edit_mode (GtkButton *button,
 130                                   ModestHeaderWindow *self);
 131 static gboolean on_expose_event(GtkTreeView *header_view,
 132                                 GdkEventExpose *event,
 133                                 gpointer user_data);
 134 static gboolean on_map_event (GtkWidget *widget,
 135                               GdkEvent *event,
 136                               gpointer userdata);
 137 static void on_vertical_movement (HildonPannableArea *area,
 138                                   HildonMovementDirection direction,
 139                                   gdouble x, gdouble y, gpointer user_data);
 140 static void on_queue_changed    (ModestMailOperationQueue *queue,
 141                                  ModestMailOperation *mail_op,
 142                                  ModestMailOperationQueueNotification type,
 143                                  ModestHeaderWindow *self);
 144 static void modest_header_window_pack_toolbar (ModestHildon2Window *self,
 145                                                GtkPackType pack_type,
 146                                                GtkWidget *toolbar);
 147 static void edit_mode_changed (ModestHeaderWindow *header_window,
 148                                gint edit_mode_id,
 149                                gboolean enabled,
 150                                ModestHeaderWindow *self);
 151 static void on_progress_list_changed (ModestWindowMgr *mgr,
 152                                       ModestHeaderWindow *self);
 153 static void update_progress_hint (ModestHeaderWindow *self);
 154
 155
 156 /* globals */
 157 static GtkWindowClass *parent_class = NULL;
 158
 159 #define EMPTYVIEW_XALIGN 0.5
 160 #define EMPTYVIEW_YALIGN 0.0
 161 #define EMPTYVIEW_XSPACE 1.0
 162 #define EMPTYVIEW_YSPACE 0.0
 163
 164
 165
 166 /************************************************************************/
 167
 168 GType
 169 modest_header_window_get_type (void)
 170 {
 171         static GType my_type = 0;
 172         if (!my_type) {
 173                 static const GTypeInfo my_info = {
 174                         sizeof(ModestHeaderWindowClass),
 175                         NULL,           /* base init */
 176                         NULL,           /* base finalize */
 177                         (GClassInitFunc) modest_header_window_class_init,
 178                         NULL,           /* class finalize */
 179                         NULL,           /* class data */
 180                         sizeof(ModestHeaderWindow),
 181                         1,              /* n_preallocs */
 182                         (GInstanceInitFunc) modest_header_window_init,
 183                         NULL
 184                 };
 185                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
 186                                                   "ModestHeaderWindow",
 187                                                   &my_info, 0);
 188         }
 189         return my_type;
 190 }
 191
 192 static void
 193 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 194 {
 195         GObjectClass *gobject_class;
 196         gobject_class = (GObjectClass*) klass;
 197         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 198         ModestHildon2WindowClass *modest_hildon2_window_class = (ModestHildon2WindowClass *) klass;
 199
 200         parent_class            = g_type_class_peek_parent (klass);
 201         gobject_class->finalize = modest_header_window_finalize;
 202
 203         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 204
 205         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 206         modest_hildon2_window_class->pack_toolbar_func = modest_header_window_pack_toolbar;
 207 }
 208
 209 static void
 210 modest_header_window_init (ModestHeaderWindow *obj)
 211 {
 212         ModestHeaderWindowPrivate *priv;
 213
 214         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 215
 216         priv->sighandlers = NULL;
 217
 218         priv->header_view = NULL;
 219         priv->empty_view = NULL;
 220         priv->top_vbox = NULL;
 221         priv->contents_view = NULL;
 222         priv->contents_state = CONTENTS_STATE_NONE;
 223         priv->folder = NULL;
 224         priv->updating_banner = NULL;
 225         priv->updating_banner_timeout = 0;
 226         priv->autoscroll = TRUE;
 227         priv->progress_hint = FALSE;
 228         priv->queue_change_handler = 0;
 229         priv->current_store_account = NULL;
 230
 231         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 232                                             GTK_WINDOW(obj),
 233                                             "applications_email_headerview");
 234 }
 235
 236 static void
 237 modest_header_window_finalize (GObject *obj)
 238 {
 239         ModestHeaderWindowPrivate *priv;
 240
 241         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 242
 243         g_object_unref (priv->header_view);
 244         g_object_unref (priv->empty_view);
 245         g_object_unref (priv->folder);
 246
 247         if (priv->current_store_account) {
 248                 g_free (priv->current_store_account);
 249                 priv->current_store_account = NULL;
 250         }
 251
 252         /* Sanity check: shouldn't be needed, the window mgr should
 253            call this function before */
 254         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 255
 256         if (priv->updating_banner_timeout > 0) {
 257                 g_source_remove (priv->updating_banner_timeout);
 258                 priv->updating_banner_timeout = 0;
 259         }
 260         if (priv->updating_banner) {
 261                 gtk_widget_destroy (priv->updating_banner);
 262                 priv->updating_banner = NULL;
 263         }
 264
 265         G_OBJECT_CLASS(parent_class)->finalize (obj);
 266 }
 267
 268 static void
 269 modest_header_window_disconnect_signals (ModestWindow *self)
 270 {
 271         ModestHeaderWindowPrivate *priv;
 272         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 273
 274         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 275                                            priv->queue_change_handler))
 276                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 277                                              priv->queue_change_handler);
 278
 279         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 280         priv->sighandlers = NULL;
 281
 282 }
 283
 284 static void
 285 connect_signals (ModestHeaderWindow *self)
 286 {
 287         ModestHeaderWindowPrivate *priv;
 288
 289         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 290
 291         /* header view */
 292
 293         priv->sighandlers =
 294                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 295                                            "msg_count_changed",
 296                                            G_CALLBACK(on_msg_count_changed), self);
 297         priv->sighandlers =
 298                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 299                                            "header-activated",
 300                                            G_CALLBACK (on_header_activated), self);
 301         priv->sighandlers =
 302                 modest_signal_mgr_connect (priv->sighandlers,
 303                                            G_OBJECT (priv->header_view),
 304                                            "updating-msg-list",
 305                                            G_CALLBACK (on_updating_msg_list),
 306                                            self);
 307         priv->sighandlers =
 308                 modest_signal_mgr_connect (priv->sighandlers,
 309                                            G_OBJECT (priv->header_view),
 310                                            "expose-event",
 311                                            G_CALLBACK (on_expose_event),
 312                                            self);
 313
 314         priv->sighandlers =
 315                 modest_signal_mgr_connect (priv->sighandlers,
 316                                            G_OBJECT (self),
 317                                            "map-event",
 318                                            G_CALLBACK (on_map_event),
 319                                            self);
 320
 321         priv->sighandlers =
 322                 modest_signal_mgr_connect (priv->sighandlers,
 323                                            G_OBJECT (priv->contents_view),
 324                                            "vertical-movement",
 325                                            G_CALLBACK (on_vertical_movement),
 326                                            self);
 327
 328         /* Mail Operation Queue */
 329         priv->queue_change_handler =
 330                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 331                                   "queue-changed",
 332                                   G_CALLBACK (on_queue_changed),
 333                                   self);
 334         priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 335                                                        G_OBJECT (modest_runtime_get_window_mgr ()),
 336                                                        "progress-list-changed",
 337                                                        G_CALLBACK (on_progress_list_changed), self);
 338 }
 339
 340 static GtkWidget *
 341 create_header_view (ModestWindow *self, TnyFolder *folder)
 342 {
 343         GtkWidget *header_view;
 344
 345         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 346         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 347                                        TRUE, self, NULL, NULL);
 348         modest_header_view_set_filter (MODEST_HEADER_VIEW (header_view),
 349                                        MODEST_HEADER_VIEW_FILTER_NONE);
 350         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 351                                       MODEST_CONF_HEADER_VIEW_KEY);
 352
 353         return header_view;
 354 }
 355
 356 static GtkWidget *
 357 create_empty_view (void)
 358 {
 359         GtkWidget *label = NULL;
 360         GtkWidget *align = NULL;
 361
 362         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 363         label = gtk_label_new (_("mcen_ia_nomessages"));
 364         gtk_widget_show (label);
 365         gtk_widget_show (align);
 366         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 367         gtk_container_add (GTK_CONTAINER (align), label);
 368
 369         return align;
 370 }
 371
 372 static void
 373 on_vertical_movement (HildonPannableArea *area,
 374                       HildonMovementDirection direction,
 375                       gdouble x, gdouble y, gpointer user_data)
 376 {
 377         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 378         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 379
 380         priv->autoscroll = FALSE;
 381 }
 382
 383
 384 ModestWindow *
 385 modest_header_window_new (TnyFolder *folder, const gchar *account_name)
 386 {
 387         ModestHeaderWindow *self = NULL;
 388         ModestHeaderWindowPrivate *priv = NULL;
 389         HildonProgram *app;
 390         GdkPixbuf *window_icon;
 391         ModestAccountMgr *mgr;
 392         ModestAccountSettings *settings = NULL;
 393         ModestServerAccountSettings *store_settings = NULL;
 394
 395         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 396         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 397
 398         priv->folder = g_object_ref (folder);
 399
 400         priv->contents_view = hildon_pannable_area_new ();
 401
 402         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 403         priv->empty_view = create_empty_view ();
 404         g_object_ref (priv->header_view);
 405         g_object_ref (priv->empty_view);
 406         g_signal_connect (G_OBJECT (self), "edit-mode-changed",
 407                           G_CALLBACK (edit_mode_changed), (gpointer) self);
 408         setup_menu (self);
 409
 410         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 411         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
 412
 413         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 414
 415         gtk_widget_show (priv->contents_view);
 416         gtk_widget_show (priv->top_vbox);
 417
 418         connect_signals (MODEST_HEADER_WINDOW (self));
 419
 420         update_view (self, NULL);
 421
 422         /* Load previous osso state, for instance if we are being restored from
 423          * hibernation:  */
 424         modest_osso_load_state ();
 425
 426         /* Get device name */
 427         modest_maemo_utils_get_device_name ();
 428
 429         app = hildon_program_get_instance ();
 430         hildon_program_add_window (app, HILDON_WINDOW (self));
 431
 432         /* Set window icon */
 433         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 434         if (window_icon) {
 435                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 436                 g_object_unref (window_icon);
 437         }
 438
 439         /* Set window title */
 440         if (TNY_IS_FOLDER (folder)) {
 441                 gchar *folder_name;
 442
 443                 folder_name = modest_tny_folder_get_display_name (folder);
 444                 gtk_window_set_title (GTK_WINDOW (self), folder_name);
 445                 g_free (folder_name);
 446         }
 447
 448         /* Dont't restore settings here,
 449          * because it requires a gtk_widget_show(),
 450          * and we don't want to do that until later,
 451          * so that the UI is not visible for non-menu D-Bus activation.
 452          */
 453
 454         /* setup edit modes */
 455         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE,
 456                                                   _("mcen_ti_edit_delete"), _HL("wdgt_bd_delete"),
 457                                                   GTK_TREE_VIEW (priv->header_view),
 458                                                   GTK_SELECTION_MULTIPLE,
 459                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_delete_message));
 460         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE,
 461                                                   _("mcen_ti_edit_move"), _HL("wdgt_bd_move"),
 462                                                   GTK_TREE_VIEW (priv->header_view),
 463                                                   GTK_SELECTION_MULTIPLE,
 464                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_move_to));
 465
 466         modest_window_set_active_account (MODEST_WINDOW (self), account_name);
 467         mgr = modest_runtime_get_account_mgr ();
 468         settings = modest_account_mgr_load_account_settings (mgr, account_name);
 469         if (settings) {
 470                 store_settings = modest_account_settings_get_store_settings (settings);
 471                 if (store_settings) {
 472                         priv->current_store_account =
 473                                 g_strdup (modest_server_account_settings_get_account_name (store_settings));
 474                         g_object_unref (store_settings);
 475                 }
 476                 g_object_unref (settings);
 477         }
 478         update_progress_hint (self);
 479
 480         return MODEST_WINDOW(self);
 481 }
 482
 483 ModestHeaderView *
 484 modest_header_window_get_header_view (ModestHeaderWindow *self)
 485 {
 486         ModestHeaderWindowPrivate *priv = NULL;
 487
 488         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 489
 490         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 491
 492         return MODEST_HEADER_VIEW (priv->header_view);
 493 }
 494
 495 static void setup_menu (ModestHeaderWindow *self)
 496 {
 497         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 498
 499         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_move_messages"), NULL,
 500                                            APP_MENU_CALLBACK (set_moveto_edit_mode),
 501                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_move_to));
 502         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_delete_messages"), NULL,
 503                                            APP_MENU_CALLBACK (set_delete_edit_mode),
 504                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_delete));
 505         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_folder_details"), NULL,
 506                                            APP_MENU_CALLBACK (modest_ui_actions_on_details),
 507                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_details));
 508         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_sort"), NULL,
 509                                            APP_MENU_CALLBACK (modest_ui_actions_on_sort),
 510                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_sort));
 511         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_new_message"), "<Control>n",
 512                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_msg),
 513                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_new_msg));
 514         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"), NULL,
 515                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
 516                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive));
 517         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"), NULL,
 518                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
 519                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
 520 }
 521
 522 static void
 523 update_view (ModestHeaderWindow *self,
 524              TnyFolderChange *change)
 525 {
 526         ModestHeaderWindowPrivate *priv = NULL;
 527         gboolean refilter = FALSE;
 528         gboolean folder_empty = FALSE;
 529         gboolean all_marked_as_deleted = FALSE;
 530
 531         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 532         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 533         g_return_if_fail (priv->folder);
 534
 535         if (change != NULL) {
 536                 TnyFolderChangeChanged changed;
 537
 538                 changed = tny_folder_change_get_changed (change);
 539                 /* If something changes */
 540                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 541                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 542                 else
 543                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 544
 545                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 546                         refilter = TRUE;
 547         } else {
 548                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 549         }
 550
 551         /* Check if all messages are marked to be deleted */
 552         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 553         folder_empty = folder_empty || all_marked_as_deleted;
 554
 555         /* Set style of headers view */
 556         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 557
 558         if (refilter)
 559                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 560 }
 561
 562 static void
 563 set_contents_state (ModestHeaderWindow *self,
 564                     ContentsState state)
 565 {
 566         ModestHeaderWindowPrivate *priv = NULL;
 567
 568         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 569         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 570
 571         if (priv->contents_state == state)
 572                 return;
 573
 574         /* Remove from container the old content */
 575         switch (priv->contents_state) {
 576         case CONTENTS_STATE_EMPTY:
 577                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 578                 break;
 579         case CONTENTS_STATE_HEADERS:
 580                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 581                 break;
 582         case CONTENTS_STATE_NONE:
 583                 break;
 584         }
 585
 586         /* Add the new content */
 587         switch (state) {
 588         case CONTENTS_STATE_EMPTY:
 589                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 590                 gtk_widget_show (priv->empty_view);
 591                 break;
 592         case CONTENTS_STATE_HEADERS:
 593                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
 594                 gtk_widget_show (priv->header_view);
 595                 break;
 596         case CONTENTS_STATE_NONE:
 597                 break;
 598         }
 599         priv->contents_state = state;
 600
 601 }
 602
 603 static void
 604 on_msg_count_changed (ModestHeaderView *header_view,
 605                       TnyFolder *folder,
 606                       TnyFolderChange *change,
 607                       ModestHeaderWindow *header_window)
 608 {
 609         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 610
 611         update_view (MODEST_HEADER_WINDOW (header_window), change);
 612 }
 613
 614 static void
 615 on_header_activated (ModestHeaderView *header_view,
 616                      TnyHeader *header,
 617                      GtkTreePath *path,
 618                      ModestHeaderWindow *header_window)
 619 {
 620         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 621 }
 622
 623 static void
 624 updating_banner_destroyed (gpointer data,
 625                            GObject *where_the_object_was)
 626 {
 627         ModestHeaderWindowPrivate *priv = NULL;
 628
 629         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 630
 631         priv->updating_banner = NULL;
 632 }
 633
 634 static gboolean
 635 show_updating_banner (gpointer user_data)
 636 {
 637         ModestHeaderWindowPrivate *priv = NULL;
 638
 639         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 640
 641         if (priv->updating_banner == NULL) {
 642
 643                 /* We're outside the main lock */
 644                 gdk_threads_enter ();
 645                 priv->updating_banner =
 646                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 647                                                           _CS ("ckdg_pb_updating"));
 648
 649                 /* We need this because banners in Maemo could be
 650                    destroyed by dialogs so we need to properly update
 651                    our reference to it */
 652                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 653                                    updating_banner_destroyed,
 654                                    user_data);
 655                 gdk_threads_leave ();
 656         }
 657
 658         /* Remove timeout */
 659         priv->updating_banner_timeout = 0;
 660         return FALSE;
 661 }
 662
 663 /**
 664  * We use this function to show/hide a progress banner showing
 665  * "Updating" while the header view is being filled. We're not showing
 666  * it unless the update takes more than 2 seconds
 667  *
 668  * If starting = TRUE then the refresh is starting, otherwise it means
 669  * that is has just finished
 670  */
 671 static void
 672 on_updating_msg_list (ModestHeaderView *header_view,
 673                       gboolean starting,
 674                       gpointer user_data)
 675 {
 676         ModestHeaderWindowPrivate *priv = NULL;
 677
 678         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 679
 680         /* Remove old timeout */
 681         if (priv->updating_banner_timeout > 0) {
 682                 g_source_remove (priv->updating_banner_timeout);
 683                 priv->updating_banner_timeout = 0;
 684         }
 685
 686         /* Create a new timeout */
 687         if (starting) {
 688                 priv->updating_banner_timeout =
 689                         g_timeout_add (2000, show_updating_banner, user_data);
 690         } else {
 691                 /* Remove the banner if exists */
 692                 if (priv->updating_banner) {
 693                         gtk_widget_destroy (priv->updating_banner);
 694                         priv->updating_banner = NULL;
 695                 }
 696         }
 697 }
 698
 699 static void
 700 set_delete_edit_mode (GtkButton *button,
 701                       ModestHeaderWindow *self)
 702 {
 703         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE);
 704 }
 705
 706 static void
 707 set_moveto_edit_mode (GtkButton *button,
 708                     ModestHeaderWindow *self)
 709 {
 710         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE);
 711 }
 712
 713 static gboolean
 714 on_expose_event(GtkTreeView *header_view,
 715                 GdkEventExpose *event,
 716                 gpointer user_data)
 717 {
 718         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 719         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 720
 721         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 722
 723         if (priv->autoscroll)
 724                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
 725
 726         return FALSE;
 727 }
 728
 729 static gboolean
 730 on_map_event(GtkWidget *widget,
 731              GdkEvent *event,
 732              gpointer user_data)
 733 {
 734         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 735         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 736
 737         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 738
 739         if (priv->progress_hint) {
 740                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), TRUE);
 741         }
 742         return FALSE;
 743 }
 744
 745 static void
 746 on_progress_list_changed (ModestWindowMgr *mgr,
 747                           ModestHeaderWindow *self)
 748 {
 749         update_progress_hint (self);
 750 }
 751
 752 static gboolean
 753 has_active_operations (ModestHeaderWindow *self)
 754 {
 755         GSList *operations = NULL, *node;
 756         ModestMailOperationQueue *queue;
 757         gboolean has_active = FALSE;
 758
 759         queue = modest_runtime_get_mail_operation_queue ();
 760         operations = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (self));
 761         for (node = operations; node != NULL; node = g_slist_next (node)) {
 762                 if (!modest_mail_operation_is_finished (MODEST_MAIL_OPERATION (node->data))) {
 763                         has_active = TRUE;
 764                         break;
 765                 }
 766         }
 767         g_slist_free (operations);
 768         return has_active;
 769 }
 770
 771 static void
 772 update_progress_hint (ModestHeaderWindow *self)
 773 {
 774         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 775         priv->progress_hint = FALSE;
 776
 777         if (has_active_operations (self)) {
 778                 priv->progress_hint = TRUE;
 779         }
 780
 781         if (!priv->progress_hint && priv->current_store_account) {
 782                 priv->progress_hint = modest_window_mgr_has_progress_operation_on_account (modest_runtime_get_window_mgr (),
 783                                                                                            priv->current_store_account);
 784         }
 785
 786         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
 787
 788         if (GTK_WIDGET_VISIBLE (self)) {
 789                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), priv->progress_hint?1:0);
 790         }
 791 }
 792
 793 gboolean
 794 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
 795 {
 796         ModestHeaderWindowPrivate *priv= NULL;
 797
 798         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 799         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 800
 801         return priv->progress_hint;
 802 }
 803
 804 gboolean
 805 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
 806 {
 807         ModestHeaderWindowPrivate *priv;
 808
 809         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 810         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 811
 812         return priv->progress_hint;
 813 }
 814
 815 static void
 816 on_mail_operation_started (ModestMailOperation *mail_op,
 817                            gpointer user_data)
 818 {
 819         ModestHeaderWindow *self;
 820         ModestMailOperationTypeOperation op_type;
 821         GObject *source = NULL;
 822
 823         self = MODEST_HEADER_WINDOW (user_data);
 824         op_type = modest_mail_operation_get_type_operation (mail_op);
 825         source = modest_mail_operation_get_source(mail_op);
 826         if (G_OBJECT (self) == source) {
 827                 update_progress_hint (self);
 828         }
 829         g_object_unref (source);
 830 }
 831
 832 static void
 833 on_mail_operation_finished (ModestMailOperation *mail_op,
 834                             gpointer user_data)
 835 {
 836         ModestHeaderWindow *self;
 837         ModestMailOperationTypeOperation op_type;
 838         GSList *operations = NULL;
 839         ModestMailOperationQueue *queue;
 840
 841         self = MODEST_HEADER_WINDOW (user_data);
 842         op_type = modest_mail_operation_get_type_operation (mail_op);
 843
 844         queue = modest_runtime_get_mail_operation_queue ();
 845         operations = modest_mail_operation_queue_get_by_source (queue, user_data);
 846
 847         /* Don't disable the progress hint if there are more pending
 848            operations from this window */
 849         update_progress_hint (self);
 850
 851         g_slist_free (operations);
 852         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
 853 }
 854
 855 static void
 856 on_queue_changed (ModestMailOperationQueue *queue,
 857                   ModestMailOperation *mail_op,
 858                   ModestMailOperationQueueNotification type,
 859                   ModestHeaderWindow *self)
 860 {
 861         ModestHeaderWindowPrivate *priv;
 862
 863         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 864
 865         /* If this operations was created by another window, do nothing */
 866         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self)))
 867                 return;
 868
 869         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
 870                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 871                                                                G_OBJECT (mail_op),
 872                                                                "operation-started",
 873                                                                G_CALLBACK (on_mail_operation_started),
 874                                                                self);
 875                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 876                                                                G_OBJECT (mail_op),
 877                                                                "operation-finished",
 878                                                                G_CALLBACK (on_mail_operation_finished),
 879                                                                self);
 880         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
 881                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 882                                                                   G_OBJECT (mail_op),
 883                                                                   "operation-started");
 884                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 885                                                                   G_OBJECT (mail_op),
 886                                                                   "operation-finished");
 887         }
 888 }
 889
 890 static void
 891 modest_header_window_pack_toolbar (ModestHildon2Window *self,
 892                                    GtkPackType pack_type,
 893                                    GtkWidget *toolbar)
 894 {
 895         ModestHeaderWindowPrivate *priv;
 896
 897         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 898         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 899
 900         if (pack_type == GTK_PACK_START) {
 901                 gtk_box_pack_start (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 902         } else {
 903                 gtk_box_pack_end (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 904         }
 905 }
 906
 907 static void
 908 edit_mode_changed (ModestHeaderWindow *header_window,
 909                    gint edit_mode_id,
 910                    gboolean enabled,
 911                    ModestHeaderWindow *self)
 912 {
 913         ModestHeaderWindowPrivate *priv;
 914         ModestHeaderViewFilter filter = MODEST_HEADER_VIEW_FILTER_NONE;
 915
 916         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 917         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 918
 919         switch (edit_mode_id) {
 920         case EDIT_MODE_COMMAND_MOVE:
 921                 filter = MODEST_HEADER_VIEW_FILTER_MOVEABLE;
 922                 break;
 923         case EDIT_MODE_COMMAND_DELETE:
 924                 filter = MODEST_HEADER_VIEW_FILTER_DELETABLE;
 925                 break;
 926         case MODEST_HILDON2_WINDOW_EDIT_MODE_NONE:
 927                 filter = MODEST_HEADER_VIEW_FILTER_NONE;
 928                 break;
 929         }
 930
 931         if (enabled)
 932                 modest_header_view_set_filter (MODEST_HEADER_VIEW (priv->header_view),
 933                                                filter);
 934         else
 935                 modest_header_view_unset_filter (MODEST_HEADER_VIEW (priv->header_view),
 936                                                  filter);
 937 }