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
  54 typedef enum {
  55         CONTENTS_STATE_NONE = 0,
  56         CONTENTS_STATE_EMPTY = 1,
  57         CONTENTS_STATE_HEADERS = 2
  58 } ContentsState;
  59
  60 typedef enum {
  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
  73         /* state bar */
  74         ContentsState contents_state;
  75
  76         TnyFolder *folder;
  77
  78         /* autoscroll */
  79         gboolean autoscroll;
  80
  81         /* banners */
  82         GtkWidget *updating_banner;
  83         guint updating_banner_timeout;
  84
  85         /* signals */
  86         GSList *sighandlers;
  87         gulong queue_change_handler;
  88
  89         /* Display state */
  90         osso_display_state_t display_state;
  91
  92         /* progress hint */
  93         gboolean progress_hint;
  94 };
  95 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  96                                                                           MODEST_TYPE_HEADER_WINDOW, \
  97                                                                           ModestHeaderWindowPrivate))
  98
  99 /* 'private'/'protected' functions */
 100 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
 101 static void modest_header_window_init        (ModestHeaderWindow *obj);
 102 static void modest_header_window_finalize    (GObject *obj);
 103
 104 static void connect_signals (ModestHeaderWindow *self);
 105 static void modest_header_window_disconnect_signals (ModestWindow *self);
 106
 107 static void setup_menu (ModestHeaderWindow *self);
 108 static GtkWidget *create_empty_view (void);
 109 static GtkWidget *create_header_view (ModestWindow *progress_window,
 110                                       TnyFolder *folder);
 111
 112 static void update_view (ModestHeaderWindow *self,
 113                          TnyFolderChange *change);
 114 static void set_contents_state (ModestHeaderWindow *window,
 115                                 ContentsState state);
 116
 117 static void on_msg_count_changed (ModestHeaderView *header_view,
 118                                   TnyFolder *folder,
 119                                   TnyFolderChange *change,
 120                                   ModestHeaderWindow *header_window);
 121 static void on_header_activated (ModestHeaderView *header_view,
 122                                  TnyHeader *header,
 123                                  GtkTreePath *path,
 124                                  ModestHeaderWindow *header_window);
 125 static void on_updating_msg_list (ModestHeaderView *header_view,
 126                                   gboolean starting,
 127                                   gpointer user_data);
 128 static void set_delete_edit_mode (GtkButton *button,
 129                                   ModestHeaderWindow *self);
 130 static void set_moveto_edit_mode (GtkButton *button,
 131                                   ModestHeaderWindow *self);
 132 static gboolean on_expose_event(GtkTreeView *header_view,
 133                                 GdkEventExpose *event,
 134                                 gpointer user_data);
 135 static void on_vertical_movement (HildonPannableArea *area,
 136                                   HildonMovementDirection direction,
 137                                   gdouble x, gdouble y, gpointer user_data);
 138 static void set_progress_hint    (ModestHeaderWindow *self,
 139                                   gboolean enabled);
 140 static void on_queue_changed    (ModestMailOperationQueue *queue,
 141                                  ModestMailOperation *mail_op,
 142                                  ModestMailOperationQueueNotification type,
 143                                  ModestHeaderWindow *self);
 144 static void modest_header_window_show_toolbar   (ModestWindow *window,
 145                                                  gboolean show_toolbar);
 146 static void modest_header_window_pack_toolbar (ModestHildon2Window *self,
 147                                                GtkPackType pack_type,
 148                                                GtkWidget *toolbar);
 149
 150
 151 /* globals */
 152 static GtkWindowClass *parent_class = NULL;
 153
 154 #define EMPTYVIEW_XALIGN 0.5
 155 #define EMPTYVIEW_YALIGN 0.0
 156 #define EMPTYVIEW_XSPACE 1.0
 157 #define EMPTYVIEW_YSPACE 0.0
 158
 159
 160
 161 /************************************************************************/
 162
 163 GType
 164 modest_header_window_get_type (void)
 165 {
 166         static GType my_type = 0;
 167         if (!my_type) {
 168                 static const GTypeInfo my_info = {
 169                         sizeof(ModestHeaderWindowClass),
 170                         NULL,           /* base init */
 171                         NULL,           /* base finalize */
 172                         (GClassInitFunc) modest_header_window_class_init,
 173                         NULL,           /* class finalize */
 174                         NULL,           /* class data */
 175                         sizeof(ModestHeaderWindow),
 176                         1,              /* n_preallocs */
 177                         (GInstanceInitFunc) modest_header_window_init,
 178                         NULL
 179                 };
 180                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
 181                                                   "ModestHeaderWindow",
 182                                                   &my_info, 0);
 183         }
 184         return my_type;
 185 }
 186
 187 static void
 188 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 189 {
 190         GObjectClass *gobject_class;
 191         gobject_class = (GObjectClass*) klass;
 192         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 193         ModestHildon2WindowClass *modest_hildon2_window_class = (ModestHildon2WindowClass *) klass;
 194
 195         parent_class            = g_type_class_peek_parent (klass);
 196         gobject_class->finalize = modest_header_window_finalize;
 197
 198         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 199
 200         modest_window_class->show_toolbar_func = modest_header_window_show_toolbar;
 201         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 202         modest_hildon2_window_class->pack_toolbar_func = modest_header_window_pack_toolbar;
 203 }
 204
 205 static void
 206 modest_header_window_init (ModestHeaderWindow *obj)
 207 {
 208         ModestHeaderWindowPrivate *priv;
 209
 210         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 211
 212         priv->sighandlers = NULL;
 213         priv->display_state = OSSO_DISPLAY_ON;
 214
 215         priv->header_view = NULL;
 216         priv->empty_view = NULL;
 217         priv->top_vbox = 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         priv->progress_hint = FALSE;
 225         priv->queue_change_handler = 0;
 226
 227         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 228                                             GTK_WINDOW(obj),
 229                                             "applications_email_headerview");
 230 }
 231
 232 static void
 233 modest_header_window_finalize (GObject *obj)
 234 {
 235         ModestHeaderWindowPrivate *priv;
 236
 237         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 238
 239         g_object_unref (priv->header_view);
 240         g_object_unref (priv->empty_view);
 241         g_object_unref (priv->folder);
 242
 243         /* Sanity check: shouldn't be needed, the window mgr should
 244            call this function before */
 245         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 246
 247         if (priv->updating_banner_timeout > 0) {
 248                 g_source_remove (priv->updating_banner_timeout);
 249                 priv->updating_banner_timeout = 0;
 250         }
 251         if (priv->updating_banner) {
 252                 gtk_widget_destroy (priv->updating_banner);
 253                 priv->updating_banner = NULL;
 254         }
 255
 256         G_OBJECT_CLASS(parent_class)->finalize (obj);
 257 }
 258
 259 static void
 260 modest_header_window_disconnect_signals (ModestWindow *self)
 261 {
 262         ModestHeaderWindowPrivate *priv;
 263         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 264
 265         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 266                                            priv->queue_change_handler))
 267                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 268                                              priv->queue_change_handler);
 269
 270         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 271         priv->sighandlers = NULL;
 272
 273 }
 274
 275 static void
 276 connect_signals (ModestHeaderWindow *self)
 277 {
 278         ModestHeaderWindowPrivate *priv;
 279
 280         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 281
 282         /* header view */
 283
 284         priv->sighandlers =
 285                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 286                                            "msg_count_changed",
 287                                            G_CALLBACK(on_msg_count_changed), self);
 288         priv->sighandlers =
 289                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 290                                            "header-activated",
 291                                            G_CALLBACK (on_header_activated), self);
 292         priv->sighandlers =
 293                 modest_signal_mgr_connect (priv->sighandlers,
 294                                            G_OBJECT (priv->header_view),
 295                                            "updating-msg-list",
 296                                            G_CALLBACK (on_updating_msg_list),
 297                                            self);
 298         priv->sighandlers =
 299                 modest_signal_mgr_connect (priv->sighandlers,
 300                                            G_OBJECT (priv->header_view),
 301                                            "expose-event",
 302                                            G_CALLBACK (on_expose_event),
 303                                            self);
 304
 305         priv->sighandlers =
 306                 modest_signal_mgr_connect (priv->sighandlers,
 307                                            G_OBJECT (priv->contents_view),
 308                                            "vertical-movement",
 309                                            G_CALLBACK (on_vertical_movement),
 310                                            self);
 311
 312         /* Mail Operation Queue */
 313         priv->queue_change_handler =
 314                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 315                                   "queue-changed",
 316                                   G_CALLBACK (on_queue_changed),
 317                                   self);
 318 }
 319
 320 static void
 321 osso_display_event_cb (osso_display_state_t state,
 322                        gpointer data)
 323 {
 324         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 325
 326         priv->display_state = state;
 327
 328         /* Stop blinking if the screen becomes on */
 329         if (priv->display_state == OSSO_DISPLAY_ON)
 330                 modest_platform_remove_new_mail_notifications (TRUE);
 331 }
 332
 333 static GtkWidget *
 334 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 335 {
 336         GtkWidget *header_view;
 337
 338         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 339         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 340                                        TRUE, progress_window, NULL, NULL);
 341         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 342                                       MODEST_CONF_HEADER_VIEW_KEY);
 343
 344         return header_view;
 345 }
 346
 347 static GtkWidget *
 348 create_empty_view (void)
 349 {
 350         GtkWidget *label = NULL;
 351         GtkWidget *align = NULL;
 352
 353         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 354         label = gtk_label_new (_("mcen_ia_nomessages"));
 355         gtk_widget_show (label);
 356         gtk_widget_show (align);
 357         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 358         gtk_container_add (GTK_CONTAINER (align), label);
 359
 360         return align;
 361 }
 362
 363 static void
 364 on_vertical_movement (HildonPannableArea *area,
 365                       HildonMovementDirection direction,
 366                       gdouble x, gdouble y, gpointer user_data)
 367 {
 368         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 369         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 370
 371         priv->autoscroll = FALSE;
 372 }
 373
 374
 375 ModestWindow *
 376 modest_header_window_new (TnyFolder *folder)
 377 {
 378         ModestHeaderWindow *self = NULL;
 379         ModestHeaderWindowPrivate *priv = NULL;
 380         HildonProgram *app;
 381         GdkPixbuf *window_icon;
 382
 383         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 384         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 385
 386         priv->folder = g_object_ref (folder);
 387
 388         priv->contents_view = hildon_pannable_area_new ();
 389
 390         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 391         priv->empty_view = create_empty_view ();
 392         g_object_ref (priv->header_view);
 393         g_object_ref (priv->empty_view);
 394         setup_menu (self);
 395
 396         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 397         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
 398
 399         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 400
 401         gtk_widget_show (priv->contents_view);
 402         gtk_widget_show (priv->top_vbox);
 403
 404         connect_signals (MODEST_HEADER_WINDOW (self));
 405
 406         update_view (self, NULL);
 407
 408         /* Load previous osso state, for instance if we are being restored from
 409          * hibernation:  */
 410         modest_osso_load_state ();
 411
 412         /* Get device name */
 413         modest_maemo_utils_get_device_name ();
 414
 415         app = hildon_program_get_instance ();
 416         hildon_program_add_window (app, HILDON_WINDOW (self));
 417
 418         /* Set window icon */
 419         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 420         if (window_icon) {
 421                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 422                 g_object_unref (window_icon);
 423         }
 424
 425         /* Listen for changes in the screen, we don't want to show a
 426            led pattern when the display is on for example */
 427         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 428                                       osso_display_event_cb,
 429                                       self);
 430
 431         /* Dont't restore settings here,
 432          * because it requires a gtk_widget_show(),
 433          * and we don't want to do that until later,
 434          * so that the UI is not visible for non-menu D-Bus activation.
 435          */
 436
 437         /* setup edit modes */
 438         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE,
 439                                                   _("TODO: Select messages to delete"), _("TODO: Delete"),
 440                                                   GTK_TREE_VIEW (priv->header_view),
 441                                                   GTK_SELECTION_MULTIPLE,
 442                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_delete_message));
 443         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE,
 444                                                   _("TODO: Select messages to move"), _("TODO: Move"),
 445                                                   GTK_TREE_VIEW (priv->header_view),
 446                                                   GTK_SELECTION_MULTIPLE,
 447                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_move_to));
 448
 449         return MODEST_WINDOW(self);
 450 }
 451
 452 gboolean
 453 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 454 {
 455         ModestHeaderWindowPrivate *priv = NULL;
 456
 457         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 458
 459         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 460
 461         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 462 }
 463
 464 ModestHeaderView *
 465 modest_header_window_get_header_view (ModestHeaderWindow *self)
 466 {
 467         ModestHeaderWindowPrivate *priv = NULL;
 468
 469         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 470
 471         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 472
 473         return MODEST_HEADER_VIEW (priv->header_view);
 474 }
 475
 476 static void setup_menu (ModestHeaderWindow *self)
 477 {
 478         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 479
 480         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_moveto"),
 481                                            APP_MENU_CALLBACK (set_moveto_edit_mode),
 482                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_delete));
 483         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_delete"),
 484                                            APP_MENU_CALLBACK (set_delete_edit_mode),
 485                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_move_to));
 486         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_messagedetails"),
 487                                            APP_MENU_CALLBACK (modest_ui_actions_on_details),
 488                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_details));
 489         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sort"),
 490                                            APP_MENU_CALLBACK (modest_ui_actions_on_sort),
 491                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_sort));
 492         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_viewer_newemail"),
 493                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_msg),
 494                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_new_msg));
 495         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"),
 496                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
 497                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive));
 498         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"),
 499                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
 500                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
 501 }
 502
 503 static void
 504 update_view (ModestHeaderWindow *self,
 505              TnyFolderChange *change)
 506 {
 507         ModestHeaderWindowPrivate *priv = NULL;
 508         gboolean refilter = FALSE;
 509         gboolean folder_empty = FALSE;
 510         gboolean all_marked_as_deleted = FALSE;
 511
 512         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 513         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 514         g_return_if_fail (priv->folder);
 515
 516         if (change != NULL) {
 517                 TnyFolderChangeChanged changed;
 518
 519                 changed = tny_folder_change_get_changed (change);
 520                 /* If something changes */
 521                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 522                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 523                 else
 524                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 525
 526                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 527                         refilter = TRUE;
 528         } else {
 529                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 530         }
 531
 532         /* Check if all messages are marked to be deleted */
 533         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 534         folder_empty = folder_empty || all_marked_as_deleted;
 535
 536         /* Set style of headers view */
 537         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 538
 539         if (refilter)
 540                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 541 }
 542
 543 static void
 544 set_contents_state (ModestHeaderWindow *self,
 545                     ContentsState state)
 546 {
 547         ModestHeaderWindowPrivate *priv = NULL;
 548
 549         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 550         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 551
 552         if (priv->contents_state == state)
 553                 return;
 554
 555         /* Remove from container the old content */
 556         switch (priv->contents_state) {
 557         case CONTENTS_STATE_EMPTY:
 558                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 559                 break;
 560         case CONTENTS_STATE_HEADERS:
 561                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 562                 break;
 563         case CONTENTS_STATE_NONE:
 564                 break;
 565         }
 566
 567         /* Add the new content */
 568         switch (state) {
 569         case CONTENTS_STATE_EMPTY:
 570                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 571                 gtk_widget_show (priv->empty_view);
 572                 break;
 573         case CONTENTS_STATE_HEADERS:
 574                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
 575                 gtk_widget_show (priv->header_view);
 576                 break;
 577         case CONTENTS_STATE_NONE:
 578                 break;
 579         }
 580         priv->contents_state = state;
 581
 582 }
 583
 584 static void
 585 on_msg_count_changed (ModestHeaderView *header_view,
 586                       TnyFolder *folder,
 587                       TnyFolderChange *change,
 588                       ModestHeaderWindow *header_window)
 589 {
 590         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 591
 592         update_view (MODEST_HEADER_WINDOW (header_window), change);
 593 }
 594
 595 static void
 596 on_header_activated (ModestHeaderView *header_view,
 597                      TnyHeader *header,
 598                      GtkTreePath *path,
 599                      ModestHeaderWindow *header_window)
 600 {
 601         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 602 }
 603
 604 static void
 605 updating_banner_destroyed (gpointer data,
 606                            GObject *where_the_object_was)
 607 {
 608         ModestHeaderWindowPrivate *priv = NULL;
 609
 610         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 611
 612         priv->updating_banner = NULL;
 613 }
 614
 615 static gboolean
 616 show_updating_banner (gpointer user_data)
 617 {
 618         ModestHeaderWindowPrivate *priv = NULL;
 619
 620         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 621
 622         if (priv->updating_banner == NULL) {
 623
 624                 /* We're outside the main lock */
 625                 gdk_threads_enter ();
 626                 priv->updating_banner =
 627                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 628                                                           _CS ("ckdg_pb_updating"));
 629
 630                 /* We need this because banners in Maemo could be
 631                    destroyed by dialogs so we need to properly update
 632                    our reference to it */
 633                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 634                                    updating_banner_destroyed,
 635                                    user_data);
 636                 gdk_threads_leave ();
 637         }
 638
 639         /* Remove timeout */
 640         priv->updating_banner_timeout = 0;
 641         return FALSE;
 642 }
 643
 644 /**
 645  * We use this function to show/hide a progress banner showing
 646  * "Updating" while the header view is being filled. We're not showing
 647  * it unless the update takes more than 2 seconds
 648  *
 649  * If starting = TRUE then the refresh is starting, otherwise it means
 650  * that is has just finished
 651  */
 652 static void
 653 on_updating_msg_list (ModestHeaderView *header_view,
 654                       gboolean starting,
 655                       gpointer user_data)
 656 {
 657         ModestHeaderWindowPrivate *priv = NULL;
 658
 659         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 660
 661         /* Remove old timeout */
 662         if (priv->updating_banner_timeout > 0) {
 663                 g_source_remove (priv->updating_banner_timeout);
 664                 priv->updating_banner_timeout = 0;
 665         }
 666
 667         /* Create a new timeout */
 668         if (starting) {
 669                 priv->updating_banner_timeout =
 670                         g_timeout_add (2000, show_updating_banner, user_data);
 671         } else {
 672                 /* Remove the banner if exists */
 673                 if (priv->updating_banner) {
 674                         gtk_widget_destroy (priv->updating_banner);
 675                         priv->updating_banner = NULL;
 676                 }
 677         }
 678 }
 679
 680 static void
 681 set_delete_edit_mode (GtkButton *button,
 682                       ModestHeaderWindow *self)
 683 {
 684         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE);
 685 }
 686
 687 static void
 688 set_moveto_edit_mode (GtkButton *button,
 689                     ModestHeaderWindow *self)
 690 {
 691         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE);
 692 }
 693
 694 static gboolean
 695 on_expose_event(GtkTreeView *header_view,
 696                 GdkEventExpose *event,
 697                 gpointer user_data)
 698 {
 699         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 700         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 701
 702         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 703
 704         if (priv->autoscroll)
 705                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
 706
 707         return FALSE;
 708 }
 709
 710 static gboolean
 711 set_toolbar_transfer_mode (ModestHeaderWindow *self)
 712 {
 713         ModestHeaderWindowPrivate *priv = NULL;
 714
 715         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 716
 717         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 718
 719         set_progress_hint (self, TRUE);
 720
 721         return FALSE;
 722 }
 723
 724 static void
 725 set_progress_hint (ModestHeaderWindow *self,
 726                    gboolean enabled)
 727 {
 728         ModestWindowPrivate *parent_priv;
 729         ModestHeaderWindowPrivate *priv;
 730
 731         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 732
 733         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 734         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 735
 736         /* Sets current progress hint */
 737         priv->progress_hint = enabled;
 738
 739         if (GTK_WIDGET_VISIBLE (self)) {
 740                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), enabled?1:0);
 741         }
 742
 743 }
 744
 745 gboolean
 746 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
 747 {
 748         ModestHeaderWindowPrivate *priv= NULL;
 749
 750         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 751         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 752
 753         return priv->progress_hint;
 754 }
 755
 756 static void
 757 modest_header_window_show_toolbar (ModestWindow *self,
 758                                    gboolean show_toolbar)
 759 {
 760         ModestHeaderWindowPrivate *priv = NULL;
 761         ModestWindowPrivate *parent_priv;
 762
 763         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 764         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 765
 766         if (modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (self)))
 767                 set_progress_hint (MODEST_HEADER_WINDOW (self), TRUE);
 768         else
 769                 set_progress_hint (MODEST_HEADER_WINDOW (self), FALSE);
 770 }
 771
 772 gboolean
 773 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
 774 {
 775         ModestHeaderWindowPrivate *priv;
 776
 777         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 778         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 779
 780         return priv->progress_hint;
 781 }
 782
 783 static void
 784 on_mail_operation_started (ModestMailOperation *mail_op,
 785                            gpointer user_data)
 786 {
 787         ModestHeaderWindow *self;
 788         ModestMailOperationTypeOperation op_type;
 789         GObject *source = NULL;
 790
 791         self = MODEST_HEADER_WINDOW (user_data);
 792         op_type = modest_mail_operation_get_type_operation (mail_op);
 793         source = modest_mail_operation_get_source(mail_op);
 794         if (G_OBJECT (self) == source) {
 795                 set_toolbar_transfer_mode(self);
 796         }
 797         g_object_unref (source);
 798 }
 799
 800 static void
 801 on_mail_operation_finished (ModestMailOperation *mail_op,
 802                             gpointer user_data)
 803 {
 804         ModestHeaderWindow *self;
 805         ModestMailOperationTypeOperation op_type;
 806         GSList *operations = NULL;
 807         ModestMailOperationQueue *queue;
 808
 809         self = MODEST_HEADER_WINDOW (user_data);
 810         op_type = modest_mail_operation_get_type_operation (mail_op);
 811
 812         queue = modest_runtime_get_mail_operation_queue ();
 813         operations = modest_mail_operation_queue_get_by_source (queue, user_data);
 814
 815         /* There should be at least the current one */
 816         if (!operations)
 817                 g_return_if_reached ();
 818
 819         /* Don't disable the progress hint if there are more pending
 820            operations from this window */
 821         if (g_slist_length (operations) == 1)
 822                 set_progress_hint (self, FALSE);
 823
 824         g_slist_free (operations);
 825         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
 826 }
 827
 828 static void
 829 on_queue_changed (ModestMailOperationQueue *queue,
 830                   ModestMailOperation *mail_op,
 831                   ModestMailOperationQueueNotification type,
 832                   ModestHeaderWindow *self)
 833 {
 834         ModestHeaderWindowPrivate *priv;
 835
 836         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 837
 838         /* If this operations was created by another window, do nothing */
 839         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self)))
 840                 return;
 841
 842         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
 843                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 844                                                                G_OBJECT (mail_op),
 845                                                                "operation-started",
 846                                                                G_CALLBACK (on_mail_operation_started),
 847                                                                self);
 848                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 849                                                                G_OBJECT (mail_op),
 850                                                                "operation-finished",
 851                                                                G_CALLBACK (on_mail_operation_finished),
 852                                                                self);
 853         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
 854                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 855                                                                   G_OBJECT (mail_op),
 856                                                                   "operation-started");
 857                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
 858                                                                   G_OBJECT (mail_op),
 859                                                                   "operation-finished");
 860         }
 861 }
 862
 863 static void
 864 modest_header_window_pack_toolbar (ModestHildon2Window *self,
 865                                    GtkPackType pack_type,
 866                                    GtkWidget *toolbar)
 867 {
 868         ModestHeaderWindowPrivate *priv;
 869
 870         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 871         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 872
 873         if (pack_type == GTK_PACK_START) {
 874                 gtk_box_pack_start (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 875         } else {
 876                 gtk_box_pack_end (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
 877         }
 878 }