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

   1 /* Copyright (c) 2008, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <modest-header-window.h>
  31 #include <modest-osso-state-saving.h>
  32 #include <libosso.h>
  33 #include <hildon/hildon-pannable-area.h>
  34 #include <hildon/hildon-edit-toolbar.h>
  35 #include <modest-window-mgr.h>
  36 #include <modest-window-priv.h>
  37 #include <modest-signal-mgr.h>
  38 #include <modest-runtime.h>
  39 #include <modest-platform.h>
  40 #include <modest-maemo-utils.h>
  41 #include <modest-icon-names.h>
  42 #include <modest-ui-constants.h>
  43 #include <modest-account-mgr.h>
  44 #include <modest-account-mgr-helpers.h>
  45 #include <modest-defs.h>
  46 #include <modest-widget-memory.h>
  47 #include <modest-ui-actions.h>
  48 #include <modest-platform.h>
  49 #include <modest-text-utils.h>
  50 #include <hildon/hildon-button.h>
  51 #include <hildon/hildon-program.h>
  52 #include <hildon/hildon-banner.h>
  53 #include "modest-ui-dimming-rules.h"
  54 #include "modest-ui-dimming-manager.h"
  55
  56 typedef enum {
  57         CONTENTS_STATE_NONE = 0,
  58         CONTENTS_STATE_EMPTY = 1,
  59         CONTENTS_STATE_HEADERS = 2
  60 } ContentsState;
  61
  62 typedef enum {
  63         EDIT_MODE_COMMAND_NONE = 0,
  64         EDIT_MODE_COMMAND_MOVE = 1,
  65         EDIT_MODE_COMMAND_DELETE = 2,
  66 } EditModeCommand;
  67
  68 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
  69 struct _ModestHeaderWindowPrivate {
  70
  71         GtkWidget *header_view;
  72         GtkWidget *empty_view;
  73         GtkWidget *contents_view;
  74         GtkWidget *top_vbox;
  75         GtkWidget *edit_toolbar;
  76
  77         /* state bar */
  78         ContentsState contents_state;
  79         gboolean edit_mode;
  80         EditModeCommand edit_command;
  81
  82         TnyFolder *folder;
  83
  84         /* autoscroll */
  85         gboolean autoscroll;
  86
  87         /* banners */
  88         GtkWidget *updating_banner;
  89         guint updating_banner_timeout;
  90
  91         /* signals */
  92         GSList *sighandlers;
  93         gulong queue_change_handler;
  94
  95         /* Display state */
  96         osso_display_state_t display_state;
  97
  98         /* progress hint */
  99         gboolean progress_hint;
 100 };
 101 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 102                                                                           MODEST_TYPE_HEADER_WINDOW, \
 103                                                                           ModestHeaderWindowPrivate))
 104
 105 /* 'private'/'protected' functions */
 106 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
 107 static void modest_header_window_init        (ModestHeaderWindow *obj);
 108 static void modest_header_window_finalize    (GObject *obj);
 109
 110 static void connect_signals (ModestHeaderWindow *self);
 111 static void modest_header_window_disconnect_signals (ModestWindow *self);
 112
 113 static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
 114 static gboolean modest_header_window_toggle_menu (HildonWindow *window,
 115                                                   guint button,
 116                                                   guint32 time);
 117 static void add_to_menu (ModestHeaderWindow *self,
 118                          HildonAppMenu *menu,
 119                          gchar *label,
 120                          GCallback callback,
 121                          ModestDimmingRulesGroup *group,
 122                          GCallback dimming_callback);
 123 static void setup_menu (ModestHeaderWindow *self,
 124                         ModestDimmingRulesGroup *group);
 125 static GtkWidget *create_empty_view (void);
 126 static GtkWidget *create_header_view (ModestWindow *progress_window,
 127                                       TnyFolder *folder);
 128
 129 static void update_view (ModestHeaderWindow *self,
 130                          TnyFolderChange *change);
 131 static void set_contents_state (ModestHeaderWindow *window,
 132                                 ContentsState state);
 133
 134 static void on_msg_count_changed (ModestHeaderView *header_view,
 135                                   TnyFolder *folder,
 136                                   TnyFolderChange *change,
 137                                   ModestHeaderWindow *header_window);
 138 static void on_header_activated (ModestHeaderView *header_view,
 139                                  TnyHeader *header,
 140                                  GtkTreePath *path,
 141                                  ModestHeaderWindow *header_window);
 142 static void on_updating_msg_list (ModestHeaderView *header_view,
 143                                   gboolean starting,
 144                                   gpointer user_data);
 145 static void set_edit_mode (ModestHeaderWindow *self,
 146                            EditModeCommand command);
 147 static void edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 148                                          ModestHeaderWindow *self);
 149 static void edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 150                                         ModestHeaderWindow *self);
 151 static void set_delete_edit_mode (GtkButton *button,
 152                                   ModestHeaderWindow *self);
 153 static void set_moveto_edit_mode (GtkButton *button,
 154                                   ModestHeaderWindow *self);
 155 static gboolean on_expose_event(GtkTreeView *header_view,
 156                                 GdkEventExpose *event,
 157                                 gpointer user_data);
 158 static void on_vertical_movement (HildonPannableArea *area,
 159                                   HildonMovementDirection direction,
 160                                   gdouble x, gdouble y, gpointer user_data);
 161 static void set_progress_hint    (ModestHeaderWindow *self,
 162                                   gboolean enabled);
 163 static void on_queue_changed    (ModestMailOperationQueue *queue,
 164                                  ModestMailOperation *mail_op,
 165                                  ModestMailOperationQueueNotification type,
 166                                  ModestHeaderWindow *self);
 167 static void modest_header_window_show_toolbar   (ModestWindow *window,
 168                                                  gboolean show_toolbar);
 169
 170
 171 /* globals */
 172 static GtkWindowClass *parent_class = NULL;
 173
 174 #define EMPTYVIEW_XALIGN 0.5
 175 #define EMPTYVIEW_YALIGN 0.0
 176 #define EMPTYVIEW_XSPACE 1.0
 177 #define EMPTYVIEW_YSPACE 0.0
 178
 179
 180
 181 /************************************************************************/
 182
 183 GType
 184 modest_header_window_get_type (void)
 185 {
 186         static GType my_type = 0;
 187         if (!my_type) {
 188                 static const GTypeInfo my_info = {
 189                         sizeof(ModestHeaderWindowClass),
 190                         NULL,           /* base init */
 191                         NULL,           /* base finalize */
 192                         (GClassInitFunc) modest_header_window_class_init,
 193                         NULL,           /* class finalize */
 194                         NULL,           /* class data */
 195                         sizeof(ModestHeaderWindow),
 196                         1,              /* n_preallocs */
 197                         (GInstanceInitFunc) modest_header_window_init,
 198                         NULL
 199                 };
 200                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 201                                                   "ModestHeaderWindow",
 202                                                   &my_info, 0);
 203         }
 204         return my_type;
 205 }
 206
 207 static void
 208 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 209 {
 210         GObjectClass *gobject_class;
 211         gobject_class = (GObjectClass*) klass;
 212         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 213         HildonWindowClass *hildon_window_class = (HildonWindowClass *) klass;
 214
 215         parent_class            = g_type_class_peek_parent (klass);
 216         gobject_class->finalize = modest_header_window_finalize;
 217
 218         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 219
 220         hildon_window_class->toggle_menu = modest_header_window_toggle_menu;
 221
 222         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
 223         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
 224         modest_window_class->show_toolbar_func = modest_header_window_show_toolbar;
 225         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 226 }
 227
 228 static void
 229 modest_header_window_init (ModestHeaderWindow *obj)
 230 {
 231         ModestHeaderWindowPrivate *priv;
 232
 233         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 234
 235         priv->sighandlers = NULL;
 236         priv->display_state = OSSO_DISPLAY_ON;
 237
 238         priv->header_view = NULL;
 239         priv->empty_view = NULL;
 240         priv->top_vbox = NULL;
 241         priv->edit_mode = FALSE;
 242         priv->edit_command = EDIT_MODE_COMMAND_NONE;
 243         priv->edit_toolbar = NULL;
 244         priv->contents_view = NULL;
 245         priv->contents_state = CONTENTS_STATE_NONE;
 246         priv->folder = NULL;
 247         priv->updating_banner = NULL;
 248         priv->updating_banner_timeout = 0;
 249         priv->autoscroll = TRUE;
 250         priv->progress_hint = FALSE;
 251         priv->queue_change_handler = 0;
 252
 253         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 254                                             GTK_WINDOW(obj),
 255                                             "applications_email_headerview");
 256 }
 257
 258 static void
 259 modest_header_window_finalize (GObject *obj)
 260 {
 261         ModestHeaderWindowPrivate *priv;
 262
 263         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 264
 265         g_object_unref (priv->header_view);
 266         g_object_unref (priv->empty_view);
 267         g_object_unref (priv->folder);
 268
 269         /* Sanity check: shouldn't be needed, the window mgr should
 270            call this function before */
 271         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 272
 273         if (priv->updating_banner_timeout > 0) {
 274                 g_source_remove (priv->updating_banner_timeout);
 275                 priv->updating_banner_timeout = 0;
 276         }
 277         if (priv->updating_banner) {
 278                 gtk_widget_destroy (priv->updating_banner);
 279                 priv->updating_banner = NULL;
 280         }
 281
 282         G_OBJECT_CLASS(parent_class)->finalize (obj);
 283 }
 284
 285 static void
 286 modest_header_window_disconnect_signals (ModestWindow *self)
 287 {
 288         ModestHeaderWindowPrivate *priv;
 289         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 290
 291         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 292                                            priv->queue_change_handler))
 293                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 294                                              priv->queue_change_handler);
 295
 296         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 297         priv->sighandlers = NULL;
 298
 299 }
 300
 301 static void
 302 connect_signals (ModestHeaderWindow *self)
 303 {
 304         ModestHeaderWindowPrivate *priv;
 305
 306         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 307
 308         /* header view */
 309
 310         priv->sighandlers =
 311                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 312                                            "msg_count_changed",
 313                                            G_CALLBACK(on_msg_count_changed), self);
 314         priv->sighandlers =
 315                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 316                                            "header-activated",
 317                                            G_CALLBACK (on_header_activated), self);
 318         priv->sighandlers =
 319                 modest_signal_mgr_connect (priv->sighandlers,
 320                                            G_OBJECT (priv->header_view),
 321                                            "updating-msg-list",
 322                                            G_CALLBACK (on_updating_msg_list),
 323                                            self);
 324         priv->sighandlers =
 325                 modest_signal_mgr_connect (priv->sighandlers,
 326                                            G_OBJECT (priv->header_view),
 327                                            "expose-event",
 328                                            G_CALLBACK (on_expose_event),
 329                                            self);
 330
 331         priv->sighandlers =
 332                 modest_signal_mgr_connect (priv->sighandlers,
 333                                            G_OBJECT (priv->contents_view),
 334                                            "vertical-movement",
 335                                            G_CALLBACK (on_vertical_movement),
 336                                            self);
 337
 338         /* Mail Operation Queue */
 339         priv->queue_change_handler =
 340                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 341                                   "queue-changed",
 342                                   G_CALLBACK (on_queue_changed),
 343                                   self);
 344 }
 345
 346 static void
 347 osso_display_event_cb (osso_display_state_t state,
 348                        gpointer data)
 349 {
 350         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 351
 352         priv->display_state = state;
 353
 354         /* Stop blinking if the screen becomes on */
 355         if (priv->display_state == OSSO_DISPLAY_ON)
 356                 modest_platform_remove_new_mail_notifications (TRUE);
 357 }
 358
 359 static GtkWidget *
 360 create_header_view (ModestWindow *progress_window, TnyFolder *folder)
 361 {
 362         GtkWidget *header_view;
 363
 364         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 365         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 366                                        TRUE, progress_window, NULL, NULL);
 367         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 368                                       MODEST_CONF_HEADER_VIEW_KEY);
 369
 370         return header_view;
 371 }
 372
 373 static GtkWidget *
 374 create_empty_view (void)
 375 {
 376         GtkWidget *label = NULL;
 377         GtkWidget *align = NULL;
 378
 379         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 380         label = gtk_label_new (_("mcen_ia_nomessages"));
 381         gtk_widget_show (label);
 382         gtk_widget_show (align);
 383         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 384         gtk_container_add (GTK_CONTAINER (align), label);
 385
 386         return align;
 387 }
 388
 389 static void
 390 on_vertical_movement (HildonPannableArea *area,
 391                       HildonMovementDirection direction,
 392                       gdouble x, gdouble y, gpointer user_data)
 393 {
 394         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 395         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 396
 397         priv->autoscroll = FALSE;
 398 }
 399
 400
 401 ModestWindow *
 402 modest_header_window_new (TnyFolder *folder)
 403 {
 404         ModestHeaderWindow *self = NULL;
 405         ModestHeaderWindowPrivate *priv = NULL;
 406         HildonProgram *app;
 407         GdkPixbuf *window_icon;
 408         ModestWindowPrivate *parent_priv = NULL;
 409         ModestDimmingRulesGroup *menu_rules_group = NULL;
 410
 411         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 412         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 413         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 414
 415         parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
 416         menu_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_MENU, FALSE);
 417
 418         priv->folder = g_object_ref (folder);
 419
 420         priv->contents_view = hildon_pannable_area_new ();
 421
 422         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 423         priv->empty_view = create_empty_view ();
 424         g_object_ref (priv->header_view);
 425         g_object_ref (priv->empty_view);
 426         setup_menu (self, menu_rules_group);
 427
 428         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, menu_rules_group);
 429         g_object_unref (menu_rules_group);
 430
 431         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 432         gtk_box_pack_end (GTK_BOX (priv->top_vbox), priv->contents_view, TRUE, TRUE, 0);
 433
 434         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 435
 436         gtk_widget_show (priv->contents_view);
 437         gtk_widget_show (priv->top_vbox);
 438
 439         connect_signals (MODEST_HEADER_WINDOW (self));
 440
 441         update_view (self, NULL);
 442
 443         /* Load previous osso state, for instance if we are being restored from
 444          * hibernation:  */
 445         modest_osso_load_state ();
 446
 447         /* Get device name */
 448         modest_maemo_utils_get_device_name ();
 449
 450         app = hildon_program_get_instance ();
 451         hildon_program_add_window (app, HILDON_WINDOW (self));
 452
 453         /* Set window icon */
 454         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 455         if (window_icon) {
 456                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 457                 g_object_unref (window_icon);
 458         }
 459
 460         /* Listen for changes in the screen, we don't want to show a
 461            led pattern when the display is on for example */
 462         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 463                                       osso_display_event_cb,
 464                                       self);
 465
 466         /* Dont't restore settings here,
 467          * because it requires a gtk_widget_show(),
 468          * and we don't want to do that until later,
 469          * so that the UI is not visible for non-menu D-Bus activation.
 470          */
 471
 472         return MODEST_WINDOW(self);
 473 }
 474
 475 static gboolean
 476 on_zoom_minus_plus_not_implemented (ModestWindow *window)
 477 {
 478         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
 479
 480         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
 481         return FALSE;
 482
 483 }
 484
 485 gboolean
 486 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 487 {
 488         ModestHeaderWindowPrivate *priv = NULL;
 489
 490         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 491
 492         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 493
 494         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 495 }
 496
 497 ModestHeaderView *
 498 modest_header_window_get_header_view (ModestHeaderWindow *self)
 499 {
 500         ModestHeaderWindowPrivate *priv = NULL;
 501
 502         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 503
 504         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 505
 506         return MODEST_HEADER_VIEW (priv->header_view);
 507 }
 508
 509 static void add_to_menu (ModestHeaderWindow *self,
 510                          HildonAppMenu *menu,
 511                          gchar *label,
 512                          GCallback callback,
 513                          ModestDimmingRulesGroup *dimming_group,
 514                          GCallback dimming_callback)
 515 {
 516         GtkWidget *button;
 517
 518         button = gtk_button_new_with_label (label);
 519         g_signal_connect_after (G_OBJECT (button), "clicked",
 520                                 callback, (gpointer) self);
 521         modest_dimming_rules_group_add_widget_rule (dimming_group,
 522                                                     button,
 523                                                     dimming_callback,
 524                                                     MODEST_WINDOW (self));
 525         hildon_app_menu_append (menu, GTK_BUTTON (button));
 526 }
 527
 528 static void setup_menu (ModestHeaderWindow *self, ModestDimmingRulesGroup *group)
 529 {
 530         ModestHeaderWindowPrivate *priv = NULL;
 531         GtkWidget *app_menu;
 532
 533         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 534
 535         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 536
 537         app_menu = hildon_app_menu_new ();
 538
 539         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_moveto"),
 540                      G_CALLBACK (set_moveto_edit_mode),
 541                      group, G_CALLBACK (modest_ui_dimming_rules_on_delete));
 542         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_delete"),
 543                      G_CALLBACK (set_delete_edit_mode),
 544                      group, G_CALLBACK (modest_ui_dimming_rules_on_move_to));
 545         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_messagedetails"),
 546                      G_CALLBACK (modest_ui_actions_on_details),
 547                      group, G_CALLBACK (modest_ui_dimming_rules_on_details));
 548         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sort"),
 549                      G_CALLBACK (modest_ui_actions_on_sort),
 550                      group, G_CALLBACK (modest_ui_dimming_rules_on_sort));
 551         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_viewer_newemail"),
 552                      G_CALLBACK (modest_ui_actions_on_new_msg),
 553                      group, G_CALLBACK (modest_ui_dimming_rules_on_new_msg));
 554         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
 555                      G_CALLBACK (modest_ui_actions_on_send_receive),
 556                      group, G_CALLBACK (modest_ui_dimming_rules_on_send_receive));
 557         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_outbox_cancelsend"),
 558                      G_CALLBACK (modest_ui_actions_cancel_send),
 559                      group, G_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
 560
 561         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
 562                                                HILDON_APP_MENU (app_menu));
 563 }
 564
 565 static gboolean
 566 modest_header_window_toggle_menu (HildonWindow *window,
 567                                   guint button,
 568                                   guint32 time)
 569 {
 570         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
 571
 572         return HILDON_WINDOW_CLASS (parent_class)->toggle_menu (window, button, time);
 573 }
 574
 575
 576 static void
 577 update_view (ModestHeaderWindow *self,
 578              TnyFolderChange *change)
 579 {
 580         ModestHeaderWindowPrivate *priv = NULL;
 581         gboolean refilter = FALSE;
 582         gboolean folder_empty = FALSE;
 583         gboolean all_marked_as_deleted = FALSE;
 584
 585         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 586         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 587         g_return_if_fail (priv->folder);
 588
 589         if (change != NULL) {
 590                 TnyFolderChangeChanged changed;
 591
 592                 changed = tny_folder_change_get_changed (change);
 593                 /* If something changes */
 594                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 595                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 596                 else
 597                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 598
 599                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 600                         refilter = TRUE;
 601         } else {
 602                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 603         }
 604
 605         /* Check if all messages are marked to be deleted */
 606         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 607         folder_empty = folder_empty || all_marked_as_deleted;
 608
 609         /* Set style of headers view */
 610         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 611
 612         if (refilter)
 613                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 614 }
 615
 616 static void
 617 set_contents_state (ModestHeaderWindow *self,
 618                     ContentsState state)
 619 {
 620         ModestHeaderWindowPrivate *priv = NULL;
 621
 622         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 623         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 624
 625         if (priv->contents_state == state)
 626                 return;
 627
 628         /* Remove from container the old content */
 629         switch (priv->contents_state) {
 630         case CONTENTS_STATE_EMPTY:
 631                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 632                 break;
 633         case CONTENTS_STATE_HEADERS:
 634                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 635                 break;
 636         case CONTENTS_STATE_NONE:
 637                 break;
 638         }
 639
 640         /* Add the new content */
 641         switch (state) {
 642         case CONTENTS_STATE_EMPTY:
 643                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 644                 gtk_widget_show (priv->empty_view);
 645                 break;
 646         case CONTENTS_STATE_HEADERS:
 647                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
 648                 gtk_widget_show (priv->header_view);
 649                 break;
 650         case CONTENTS_STATE_NONE:
 651                 break;
 652         }
 653         priv->contents_state = state;
 654
 655 }
 656
 657 static void
 658 on_msg_count_changed (ModestHeaderView *header_view,
 659                       TnyFolder *folder,
 660                       TnyFolderChange *change,
 661                       ModestHeaderWindow *header_window)
 662 {
 663         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 664
 665         update_view (MODEST_HEADER_WINDOW (header_window), change);
 666 }
 667
 668 static void
 669 on_header_activated (ModestHeaderView *header_view,
 670                      TnyHeader *header,
 671                      GtkTreePath *path,
 672                      ModestHeaderWindow *header_window)
 673 {
 674         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 675 }
 676
 677 static void
 678 updating_banner_destroyed (gpointer data,
 679                            GObject *where_the_object_was)
 680 {
 681         ModestHeaderWindowPrivate *priv = NULL;
 682
 683         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 684
 685         priv->updating_banner = NULL;
 686 }
 687
 688 static gboolean
 689 show_updating_banner (gpointer user_data)
 690 {
 691         ModestHeaderWindowPrivate *priv = NULL;
 692
 693         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 694
 695         if (priv->updating_banner == NULL) {
 696
 697                 /* We're outside the main lock */
 698                 gdk_threads_enter ();
 699                 priv->updating_banner =
 700                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
 701                                                           _CS ("ckdg_pb_updating"));
 702
 703                 /* We need this because banners in Maemo could be
 704                    destroyed by dialogs so we need to properly update
 705                    our reference to it */
 706                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
 707                                    updating_banner_destroyed,
 708                                    user_data);
 709                 gdk_threads_leave ();
 710         }
 711
 712         /* Remove timeout */
 713         priv->updating_banner_timeout = 0;
 714         return FALSE;
 715 }
 716
 717 /**
 718  * We use this function to show/hide a progress banner showing
 719  * "Updating" while the header view is being filled. We're not showing
 720  * it unless the update takes more than 2 seconds
 721  *
 722  * If starting = TRUE then the refresh is starting, otherwise it means
 723  * that is has just finished
 724  */
 725 static void
 726 on_updating_msg_list (ModestHeaderView *header_view,
 727                       gboolean starting,
 728                       gpointer user_data)
 729 {
 730         ModestHeaderWindowPrivate *priv = NULL;
 731
 732         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
 733
 734         /* Remove old timeout */
 735         if (priv->updating_banner_timeout > 0) {
 736                 g_source_remove (priv->updating_banner_timeout);
 737                 priv->updating_banner_timeout = 0;
 738         }
 739
 740         /* Create a new timeout */
 741         if (starting) {
 742                 priv->updating_banner_timeout =
 743                         g_timeout_add (2000, show_updating_banner, user_data);
 744         } else {
 745                 /* Remove the banner if exists */
 746                 if (priv->updating_banner) {
 747                         gtk_widget_destroy (priv->updating_banner);
 748                         priv->updating_banner = NULL;
 749                 }
 750         }
 751 }
 752
 753 static void
 754 set_edit_mode (ModestHeaderWindow *self,
 755                EditModeCommand command)
 756 {
 757         ModestHeaderWindowPrivate *priv;
 758
 759         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 760         if (priv->edit_toolbar) {
 761                 gtk_widget_destroy (priv->edit_toolbar);
 762                 priv->edit_toolbar = NULL;
 763         }
 764
 765         if (command == EDIT_MODE_COMMAND_NONE) {
 766                 if (priv->edit_mode) {
 767                         priv->edit_mode = FALSE;
 768                         priv->edit_command = command;
 769                         g_object_set (G_OBJECT (priv->header_view),
 770                                       "hildon-ui-mode", HILDON_UI_MODE_NORMAL,
 771                                       NULL);
 772                         gtk_widget_queue_resize (priv->header_view);
 773                         gtk_window_unfullscreen (GTK_WINDOW (self));
 774                 }
 775         } else {
 776                 if (!priv->edit_mode) {
 777                         GtkTreeSelection *selection;
 778
 779                         g_object_set (G_OBJECT (priv->header_view),
 780                                       "hildon-ui-mode", HILDON_UI_MODE_EDIT,
 781                                       NULL);
 782                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
 783                         gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
 784                         gtk_tree_selection_unselect_all (selection);
 785
 786                         priv->edit_mode = TRUE;
 787                         priv->edit_command = command;
 788
 789                         /* Setup toolbar */
 790                         priv->edit_toolbar = hildon_edit_toolbar_new ();
 791                         switch (command) {
 792                         case EDIT_MODE_COMMAND_DELETE:
 793                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 794                                                                _("TODO: Select messages to delete"));
 795                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 796                                                                       _("TODO: Delete"));
 797                                 break;
 798                         case EDIT_MODE_COMMAND_MOVE:
 799                                 hildon_edit_toolbar_set_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 800                                                                _("TODO: Select messages to move"));
 801                                 hildon_edit_toolbar_set_button_label (HILDON_EDIT_TOOLBAR (priv->edit_toolbar),
 802                                                                       _("TODO: Move"));
 803                                 break;
 804                         case EDIT_MODE_COMMAND_NONE:
 805                                 g_assert ("Shouldn't reach");
 806                         }
 807                         gtk_box_pack_start (GTK_BOX (priv->top_vbox), priv->edit_toolbar, FALSE, FALSE, 0);
 808                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "button-clicked",
 809                                           G_CALLBACK (edit_toolbar_button_clicked), (gpointer) self);
 810                         g_signal_connect (G_OBJECT (priv->edit_toolbar), "arrow-clicked",
 811                                           G_CALLBACK (edit_toolbar_arrow_clicked), (gpointer) self);
 812                         gtk_widget_show (priv->edit_toolbar);
 813
 814                         gtk_widget_queue_resize (priv->header_view);
 815                         gtk_window_fullscreen (GTK_WINDOW (self));
 816                 }
 817         }
 818 }
 819
 820 static void
 821 edit_toolbar_button_clicked (HildonEditToolbar *toolbar,
 822                              ModestHeaderWindow *self)
 823 {
 824         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 825
 826         switch (priv->edit_command) {
 827         case EDIT_MODE_COMMAND_DELETE:
 828                 if (modest_ui_actions_on_edit_mode_delete_message (MODEST_WINDOW (self)))
 829                         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 830                 break;
 831         case EDIT_MODE_COMMAND_MOVE:
 832                 modest_ui_actions_on_move_to (NULL, MODEST_WINDOW (self));
 833                 set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 834                 break;
 835         case EDIT_MODE_COMMAND_NONE:
 836                         g_assert_not_reached ();
 837         }
 838 }
 839
 840 static void
 841 edit_toolbar_arrow_clicked (HildonEditToolbar *toolbar,
 842                             ModestHeaderWindow *self)
 843 {
 844         set_edit_mode (self, EDIT_MODE_COMMAND_NONE);
 845 }
 846
 847 static void
 848 set_delete_edit_mode (GtkButton *button,
 849                       ModestHeaderWindow *self)
 850 {
 851         set_edit_mode (self, EDIT_MODE_COMMAND_DELETE);
 852 }
 853
 854 static void
 855 set_moveto_edit_mode (GtkButton *button,
 856                     ModestHeaderWindow *self)
 857 {
 858         set_edit_mode (self, EDIT_MODE_COMMAND_MOVE);
 859 }
 860
 861 static gboolean
 862 on_expose_event(GtkTreeView *header_view,
 863                 GdkEventExpose *event,
 864                 gpointer user_data)
 865 {
 866         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 867         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 868
 869         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 870
 871         if (priv->autoscroll)
 872                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
 873
 874         return FALSE;
 875 }
 876
 877 static gboolean
 878 set_toolbar_transfer_mode (ModestHeaderWindow *self)
 879 {
 880         ModestHeaderWindowPrivate *priv = NULL;
 881
 882         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 883
 884         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 885
 886         set_progress_hint (self, TRUE);
 887
 888         return FALSE;
 889 }
 890
 891 static void
 892 set_progress_hint (ModestHeaderWindow *self,
 893                    gboolean enabled)
 894 {
 895         ModestWindowPrivate *parent_priv;
 896         ModestHeaderWindowPrivate *priv;
 897
 898         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
 899
 900         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 901         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 902
 903         /* Sets current progress hint */
 904         priv->progress_hint = enabled;
 905
 906         if (GTK_WIDGET_VISIBLE (self)) {
 907                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), enabled?1:0);
 908         }
 909
 910 }
 911
 912 gboolean
 913 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
 914 {
 915         ModestHeaderWindowPrivate *priv= NULL;
 916
 917         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 918         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 919
 920         return priv->progress_hint;
 921 }
 922
 923 static void
 924 modest_header_window_show_toolbar (ModestWindow *self,
 925                                    gboolean show_toolbar)
 926 {
 927         ModestHeaderWindowPrivate *priv = NULL;
 928         ModestWindowPrivate *parent_priv;
 929
 930         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 931         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 932
 933         if (modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (self)))
 934                 set_progress_hint (MODEST_HEADER_WINDOW (self), TRUE);
 935         else
 936                 set_progress_hint (MODEST_HEADER_WINDOW (self), FALSE);
 937 }
 938
 939 gboolean
 940 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
 941 {
 942         ModestHeaderWindowPrivate *priv;
 943
 944         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
 945         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 946
 947         return priv->progress_hint;
 948 }
 949
 950 static void
 951 on_mail_operation_started (ModestMailOperation *mail_op,
 952                            gpointer user_data)
 953 {
 954         ModestHeaderWindow *self;
 955         ModestMailOperationTypeOperation op_type;
 956         GObject *source = NULL;
 957
 958         self = MODEST_HEADER_WINDOW (user_data);
 959         op_type = modest_mail_operation_get_type_operation (mail_op);
 960         source = modest_mail_operation_get_source(mail_op);
 961         if (G_OBJECT (self) == source) {
 962                 set_toolbar_transfer_mode(self);
 963         }
 964         g_object_unref (source);
 965 }
 966
 967 static void
 968 on_mail_operation_finished (ModestMailOperation *mail_op,
 969                             gpointer user_data)
 970 {
 971         ModestHeaderWindow *self;
 972         ModestMailOperationTypeOperation op_type;
 973
 974         self = MODEST_HEADER_WINDOW (user_data);
 975         op_type = modest_mail_operation_get_type_operation (mail_op);
 976
 977         /* If no more operations are being observed, NORMAL mode is enabled again */
 978         if (modest_mail_operation_queue_num_elements (modest_runtime_get_mail_operation_queue ()) == 0) {
 979                 set_progress_hint (self, FALSE);
 980         }
 981
 982         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
 983 }
 984
 985 static void
 986 on_queue_changed (ModestMailOperationQueue *queue,
 987                   ModestMailOperation *mail_op,
 988                   ModestMailOperationQueueNotification type,
 989                   ModestHeaderWindow *self)
 990 {
 991         ModestHeaderWindowPrivate *priv;
 992
 993         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 994
 995         /* If this operations was created by another window, do nothing */
 996         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self)))
 997                 return;
 998
 999         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
1000                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1001                                                                G_OBJECT (mail_op),
1002                                                                "operation-started",
1003                                                                G_CALLBACK (on_mail_operation_started),
1004                                                                self);
1005                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1006                                                                G_OBJECT (mail_op),
1007                                                                "operation-finished",
1008                                                                G_CALLBACK (on_mail_operation_finished),
1009                                                                self);
1010         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
1011                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1012                                                                   G_OBJECT (mail_op),
1013                                                                   "operation-started");
1014                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1015                                                                   G_OBJECT (mail_op),
1016                                                                   "operation-finished");
1017         }
1018 }