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 <hildon/hildon-pannable-area.h>
  32 #include <hildon/hildon-helper.h>
  33 #include <modest-window-mgr.h>
  34 #include <modest-window-priv.h>
  35 #include <modest-signal-mgr.h>
  36 #include <modest-runtime.h>
  37 #include <modest-platform.h>
  38 #include <modest-maemo-utils.h>
  39 #include <modest-icon-names.h>
  40 #include <modest-ui-constants.h>
  41 #include <modest-account-mgr.h>
  42 #include <modest-account-mgr-helpers.h>
  43 #include <modest-defs.h>
  44 #include <modest-widget-memory.h>
  45 #include <modest-ui-actions.h>
  46 #include <modest-platform.h>
  47 #include <modest-text-utils.h>
  48 #include <hildon/hildon-button.h>
  49 #include <hildon/hildon-program.h>
  50 #include <hildon/hildon-banner.h>
  51 #include <modest-ui-dimming-rules.h>
  52 #include <modest-tny-folder.h>
  53 #include <modest-tny-account.h>
  54 #include <tny-simple-list.h>
  55
  56 #define SHOW_LATEST_SIZE 250
  57
  58 typedef enum {
  59         CONTENTS_STATE_NONE = 0,
  60         CONTENTS_STATE_EMPTY = 1,
  61         CONTENTS_STATE_HEADERS = 2
  62 } ContentsState;
  63
  64 typedef enum {
  65         EDIT_MODE_COMMAND_MOVE = 1,
  66         EDIT_MODE_COMMAND_DELETE = 2,
  67 } EditModeCommand;
  68
  69 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
  70 struct _ModestHeaderWindowPrivate {
  71
  72         GtkWidget *header_view;
  73         GtkWidget *empty_view;
  74         GtkWidget *contents_view;
  75         GtkWidget *top_vbox;
  76         GtkWidget *new_message_button;
  77         GtkWidget *show_more_button;
  78         GtkWidget *show_more_button2;
  79
  80         /* state bar */
  81         ContentsState contents_state;
  82
  83         /* autoscroll */
  84         gboolean autoscroll;
  85
  86         /* banners */
  87         GtkWidget *updating_banner;
  88         guint updating_banner_timeout;
  89
  90         /* signals */
  91         GSList *sighandlers;
  92         gulong queue_change_handler;
  93         gulong sort_column_handler;
  94         gulong notify_model;
  95
  96         /* progress hint */
  97         gboolean progress_hint;
  98         gchar *current_store_account;
  99
 100         /* sort button */
 101         GtkWidget *sort_button;
 102
 103         /* CSM menu */
 104         GtkWidget *csm_menu;
 105         gdouble x_coord;
 106         gdouble y_coord;
 107
 108         /* weak refs */
 109         GtkTreeModel *model_weak_ref;
 110 };
 111 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 112                                                                           MODEST_TYPE_HEADER_WINDOW, \
 113                                                                           ModestHeaderWindowPrivate))
 114
 115 /* 'private'/'protected' functions */
 116 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
 117 static void modest_header_window_init        (ModestHeaderWindow *obj);
 118 static void modest_header_window_finalize    (GObject *obj);
 119 static void modest_header_window_dispose     (GObject *obj);
 120
 121 static void connect_signals (ModestHeaderWindow *self);
 122 static void modest_header_window_disconnect_signals (ModestWindow *self);
 123
 124 static void setup_menu (ModestHeaderWindow *self);
 125 static GtkWidget *create_empty_view (ModestWindow *self);
 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_delete_edit_mode (GtkButton *button,
 146                                   ModestHeaderWindow *self);
 147 static void set_moveto_edit_mode (GtkButton *button,
 148                                   ModestHeaderWindow *self);
 149 static gboolean on_expose_event(GtkTreeView *header_view,
 150                                 GdkEventExpose *event,
 151                                 gpointer user_data);
 152 static gboolean on_map_event (GtkWidget *widget,
 153                               GdkEvent *event,
 154                               gpointer userdata);
 155 static void on_vertical_movement (HildonPannableArea *area,
 156                                   HildonMovementDirection direction,
 157                                   gdouble x, gdouble y, gpointer user_data);
 158 static void on_queue_changed    (ModestMailOperationQueue *queue,
 159                                  ModestMailOperation *mail_op,
 160                                  ModestMailOperationQueueNotification type,
 161                                  ModestHeaderWindow *self);
 162 static void modest_header_window_pack_toolbar (ModestHildon2Window *self,
 163                                                GtkPackType pack_type,
 164                                                GtkWidget *toolbar);
 165 static void edit_mode_changed (ModestHeaderWindow *header_window,
 166                                gint edit_mode_id,
 167                                gboolean enabled,
 168                                ModestHeaderWindow *self);
 169 static void on_progress_list_changed (ModestWindowMgr *mgr,
 170                                       ModestHeaderWindow *self);
 171 static void update_progress_hint (ModestHeaderWindow *self);
 172 static void on_sort_column_changed (GtkTreeSortable *treesortable,
 173                                     gpointer         user_data);
 174 static void update_sort_button (ModestHeaderWindow *self);
 175 static void on_horizontal_movement (HildonPannableArea *hildonpannable,
 176                                     gint                direction,
 177                                     gdouble             initial_x,
 178                                     gdouble             initial_y,
 179                                     gpointer            user_data);
 180 static void on_header_view_model_destroyed (gpointer user_data,
 181                                             GObject *model);
 182 static gboolean on_key_press(GtkWidget *widget,
 183                                         GdkEventKey *event,
 184                                         gpointer user_data);
 185 static void modest_header_window_show_more (GtkAction *action, ModestWindow *win);
 186
 187 /* globals */
 188 static GtkWindowClass *parent_class = NULL;
 189
 190 #define EMPTYVIEW_XALIGN 0.5
 191 #define EMPTYVIEW_YALIGN 0.5
 192 #define EMPTYVIEW_XSPACE 1.0
 193 #define EMPTYVIEW_YSPACE 1.0
 194
 195
 196
 197 /************************************************************************/
 198
 199 GType
 200 modest_header_window_get_type (void)
 201 {
 202         static GType my_type = 0;
 203         if (!my_type) {
 204                 static const GTypeInfo my_info = {
 205                         sizeof(ModestHeaderWindowClass),
 206                         NULL,           /* base init */
 207                         NULL,           /* base finalize */
 208                         (GClassInitFunc) modest_header_window_class_init,
 209                         NULL,           /* class finalize */
 210                         NULL,           /* class data */
 211                         sizeof(ModestHeaderWindow),
 212                         1,              /* n_preallocs */
 213                         (GInstanceInitFunc) modest_header_window_init,
 214                         NULL
 215                 };
 216                 my_type = g_type_register_static (MODEST_TYPE_HILDON2_WINDOW,
 217                                                   "ModestHeaderWindow",
 218                                                   &my_info, 0);
 219         }
 220         return my_type;
 221 }
 222
 223 static void
 224 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 225 {
 226         GObjectClass *gobject_class;
 227         gobject_class = (GObjectClass*) klass;
 228         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 229         ModestHildon2WindowClass *modest_hildon2_window_class = (ModestHildon2WindowClass *) klass;
 230
 231         parent_class            = g_type_class_peek_parent (klass);
 232         gobject_class->finalize = modest_header_window_finalize;
 233         gobject_class->dispose = modest_header_window_dispose;
 234
 235         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 236
 237         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 238         modest_hildon2_window_class->pack_toolbar_func = modest_header_window_pack_toolbar;
 239 }
 240
 241 static void
 242 modest_header_window_init (ModestHeaderWindow *obj)
 243 {
 244         ModestHeaderWindowPrivate *priv;
 245
 246         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 247
 248         priv->sighandlers = NULL;
 249
 250         priv->header_view = NULL;
 251         priv->empty_view = NULL;
 252         priv->top_vbox = NULL;
 253         priv->contents_view = NULL;
 254         priv->contents_state = CONTENTS_STATE_NONE;
 255         priv->updating_banner = NULL;
 256         priv->updating_banner_timeout = 0;
 257         priv->autoscroll = TRUE;
 258         priv->progress_hint = FALSE;
 259         priv->queue_change_handler = 0;
 260         priv->sort_column_handler = 0;
 261         priv->model_weak_ref = NULL;
 262         priv->current_store_account = NULL;
 263         priv->sort_button = NULL;
 264         priv->new_message_button = NULL;
 265         priv->show_more_button = NULL;
 266         priv->show_more_button2 = NULL;
 267         priv->x_coord = 0;
 268         priv->y_coord = 0;
 269         priv->notify_model = 0;
 270
 271         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 272                                             GTK_WINDOW(obj),
 273                                             "applications_email_headerview");
 274 }
 275
 276 static void
 277 modest_header_window_dispose (GObject *obj)
 278 {
 279         ModestHeaderWindowPrivate *priv;
 280         TnyFolder *folder;
 281
 282         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 283
 284         folder = modest_header_view_get_folder ((ModestHeaderView *) priv->header_view);
 285         if (folder) {
 286                 tny_folder_sync_async (folder, FALSE, NULL, NULL, NULL);
 287                 g_object_unref (folder);
 288         }
 289
 290         G_OBJECT_CLASS(parent_class)->dispose (obj);
 291 }
 292
 293 static void
 294 modest_header_window_finalize (GObject *obj)
 295 {
 296         ModestHeaderWindowPrivate *priv;
 297
 298         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 299
 300         if (priv->model_weak_ref) {
 301                 g_object_weak_unref ((GObject *) priv->model_weak_ref,
 302                                      on_header_view_model_destroyed,
 303                                      obj);
 304                 if (g_signal_handler_is_connected (G_OBJECT (priv->model_weak_ref),
 305                                                    priv->sort_column_handler)) {
 306                         g_signal_handler_disconnect (G_OBJECT (priv->model_weak_ref),
 307                                                      priv->sort_column_handler);
 308                 }
 309                 on_header_view_model_destroyed (obj, (GObject *) priv->model_weak_ref);
 310         }
 311
 312         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 313
 314         g_object_unref (priv->header_view);
 315         g_object_unref (priv->empty_view);
 316
 317         if (priv->current_store_account) {
 318                 g_free (priv->current_store_account);
 319                 priv->current_store_account = NULL;
 320         }
 321
 322         if (priv->updating_banner_timeout > 0) {
 323                 g_source_remove (priv->updating_banner_timeout);
 324                 priv->updating_banner_timeout = 0;
 325         }
 326         if (priv->updating_banner) {
 327                 gtk_widget_destroy (priv->updating_banner);
 328                 priv->updating_banner = NULL;
 329         }
 330
 331         G_OBJECT_CLASS(parent_class)->finalize (obj);
 332 }
 333
 334 static void
 335 modest_header_window_disconnect_signals (ModestWindow *self)
 336 {
 337         ModestHeaderWindowPrivate *priv;
 338
 339         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 340
 341         if (g_signal_handler_is_connected ((GObject*) priv->header_view, priv->notify_model)) {
 342                 g_signal_handler_disconnect ((GObject*) priv->header_view, priv->notify_model);
 343                 priv->notify_model = 0;
 344         }
 345
 346         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 347                                            priv->queue_change_handler)) {
 348                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 349                                              priv->queue_change_handler);
 350                 priv->queue_change_handler = 0;
 351         }
 352
 353         if (priv->header_view) {
 354                 GtkTreeModel *sortable;
 355
 356                 sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->header_view));
 357                 if (sortable) {
 358                         if (g_signal_handler_is_connected (G_OBJECT (sortable),
 359                                                            priv->sort_column_handler)) {
 360                                 g_signal_handler_disconnect (G_OBJECT (sortable),
 361                                                              priv->sort_column_handler);
 362                                 priv->sort_column_handler = 0;
 363                         }
 364                 }
 365         }
 366
 367         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 368         priv->sighandlers = NULL;
 369
 370 }
 371
 372 static void
 373 connect_signals (ModestHeaderWindow *self)
 374 {
 375         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 376
 377         /* header view */
 378
 379         priv->sighandlers =
 380                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 381                                            "msg_count_changed",
 382                                            G_CALLBACK(on_msg_count_changed), self);
 383         priv->sighandlers =
 384                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 385                                            "header-activated",
 386                                            G_CALLBACK (on_header_activated), self);
 387         priv->sighandlers =
 388                 modest_signal_mgr_connect (priv->sighandlers,
 389                                            G_OBJECT (priv->header_view),
 390                                            "updating-msg-list",
 391                                            G_CALLBACK (on_updating_msg_list),
 392                                            self);
 393         priv->sighandlers =
 394                 modest_signal_mgr_connect (priv->sighandlers,
 395                                            G_OBJECT (priv->header_view),
 396                                            "expose-event",
 397                                            G_CALLBACK (on_expose_event),
 398                                            self);
 399
 400         priv->sighandlers =
 401                 modest_signal_mgr_connect (priv->sighandlers,
 402                                            G_OBJECT (self),
 403                                            "map-event",
 404                                            G_CALLBACK (on_map_event),
 405                                            self);
 406
 407         priv->sighandlers =
 408                 modest_signal_mgr_connect (priv->sighandlers,
 409                                            G_OBJECT (priv->contents_view),
 410                                            "vertical-movement",
 411                                            G_CALLBACK (on_vertical_movement),
 412                                            self);
 413
 414         /* Mail Operation Queue */
 415         priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
 416                                                        G_OBJECT (modest_runtime_get_window_mgr ()),
 417                                                        "progress-list-changed",
 418                                                        G_CALLBACK (on_progress_list_changed), self);
 419         priv->sighandlers =
 420                 modest_signal_mgr_connect (priv->sighandlers,
 421                                            G_OBJECT (priv->new_message_button),
 422                                            "clicked",
 423                                            G_CALLBACK (modest_ui_actions_on_new_msg), self);
 424
 425         priv->sighandlers =
 426                 modest_signal_mgr_connect (priv->sighandlers,
 427                                            G_OBJECT (priv->show_more_button),
 428                                            "clicked",
 429                                            G_CALLBACK (modest_header_window_show_more), self);
 430
 431         priv->sighandlers =
 432                 modest_signal_mgr_connect (priv->sighandlers,
 433                                            G_OBJECT (priv->show_more_button2),
 434                                            "clicked",
 435                                            G_CALLBACK (modest_header_window_show_more), self);
 436
 437         /* Delete using horizontal gesture */
 438         /* DISABLED because it's unreliabile */
 439         if (FALSE) {
 440                 priv->sighandlers =
 441                         modest_signal_mgr_connect (priv->sighandlers,
 442                                                    (GObject *) priv->contents_view,
 443                                                    "horizontal-movement",
 444                                                    G_CALLBACK (on_horizontal_movement),
 445                                                    self);
 446         }
 447
 448
 449         g_signal_connect(G_OBJECT(self), "key-press-event",
 450                         G_CALLBACK(on_key_press), self);
 451 }
 452
 453 static void
 454 folder_refreshed_cb (ModestMailOperation *mail_op,
 455                      TnyFolder *folder,
 456                      gpointer user_data)
 457 {
 458         /* Update the view (folder could be empty) */
 459         update_view (MODEST_HEADER_WINDOW (user_data), NULL);
 460 }
 461
 462 static gboolean
 463 tap_and_hold_query_cb (GtkWidget *header_view,
 464                        GdkEvent *event,
 465                        gpointer user_data)
 466 {
 467         ModestHeaderWindow *self;
 468         ModestHeaderWindowPrivate *priv;
 469
 470         self = (ModestHeaderWindow *) user_data;
 471         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 472
 473         if (event->type == GDK_BUTTON_PRESS) {
 474                 TnyHeader *header;
 475
 476                 priv->x_coord = ((GdkEventButton*)event)->x;
 477                 priv->y_coord = ((GdkEventButton*)event)->y;
 478
 479                 /* Enable/Disable mark as (un)read */
 480                 header = modest_header_view_get_header_at_pos ((ModestHeaderView *) header_view,
 481                                                                priv->x_coord, priv->y_coord);
 482                 if (header) {
 483                         GList *children;
 484                         GtkWidget *mark_read_item, *mark_unread_item;
 485
 486                         /* Show "mark as read" or "mark as unread" */
 487                         children = gtk_container_get_children (GTK_CONTAINER (priv->csm_menu));
 488                         mark_read_item = (GtkWidget *) g_list_nth_data (children, 1);
 489                         mark_unread_item = (GtkWidget *) g_list_nth_data (children, 2);
 490
 491                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN) {
 492                                 gtk_widget_show (mark_unread_item);
 493                                 gtk_widget_hide (mark_read_item);
 494                         } else {
 495                                 gtk_widget_show (mark_read_item);
 496                                 gtk_widget_hide (mark_unread_item);
 497                         }
 498                         g_object_unref (header);
 499                 } else {
 500                         /* Do not show the CSM if there is no header below */
 501                         return TRUE;
 502                 }
 503         }
 504
 505         return FALSE;
 506 }
 507
 508 static void
 509 delete_header (GtkWindow *parent,
 510                TnyHeader *header)
 511 {
 512         gint response;
 513         gchar *subject, *msg;
 514
 515         subject = tny_header_dup_subject (header);
 516         if (!subject)
 517                 subject = g_strdup (_("mail_va_no_subject"));
 518
 519         msg = g_strdup_printf (ngettext("emev_nc_delete_message", "emev_nc_delete_messages", 1),
 520                                subject);
 521         g_free (subject);
 522
 523         /* Confirmation dialog */
 524         response = modest_platform_run_confirmation_dialog (parent, msg);
 525         g_free (msg);
 526
 527         if (response == GTK_RESPONSE_OK) {
 528                 ModestMailOperation *mail_op;
 529                 TnyList *header_list;
 530
 531                 header_list = tny_simple_list_new ();
 532                 tny_list_append (header_list, (GObject *) header);
 533                 mail_op = modest_mail_operation_new ((GObject *) parent);
 534                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 535                                                  mail_op);
 536                 modest_mail_operation_remove_msgs (mail_op, header_list, FALSE);
 537                 g_object_unref (mail_op);
 538                 g_object_unref (header_list);
 539         }
 540 }
 541
 542
 543 static void
 544 on_delete_csm_activated (GtkMenuItem *item,
 545                          gpointer user_data)
 546 {
 547         TnyHeader *header;
 548         ModestHeaderWindow *self;
 549         ModestHeaderWindowPrivate *priv;
 550
 551         self = (ModestHeaderWindow *) user_data;
 552         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 553
 554         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
 555                                                        priv->x_coord, priv->y_coord);
 556         if (header) {
 557                 delete_header ((GtkWindow *) self, header);
 558                 g_object_unref (header);
 559         }
 560 }
 561
 562 static void
 563 on_mark_read_csm_activated (GtkMenuItem *item,
 564                             gpointer user_data)
 565 {
 566         TnyHeader *header;
 567         ModestHeaderWindow *self;
 568         ModestHeaderWindowPrivate *priv;
 569
 570         self = (ModestHeaderWindow *) user_data;
 571         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 572
 573         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
 574                                                        priv->x_coord, priv->y_coord);
 575
 576         if (header) {
 577                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
 578                 g_object_unref (header);
 579         }
 580 }
 581
 582 static void
 583 on_mark_unread_csm_activated (GtkMenuItem *item,
 584                               gpointer user_data)
 585 {
 586         TnyHeader *header;
 587         ModestHeaderWindow *self;
 588         ModestHeaderWindowPrivate *priv;
 589
 590         self = (ModestHeaderWindow *) user_data;
 591         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 592
 593         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
 594                                                        priv->x_coord, priv->y_coord);
 595
 596         if (header) {
 597                 tny_header_unset_flag (header, TNY_HEADER_FLAG_SEEN);
 598                 g_object_unref (header);
 599         }
 600 }
 601
 602 static void
 603 on_header_view_model_destroyed (gpointer user_data,
 604                                 GObject *model)
 605 {
 606         ModestHeaderWindow *self;
 607         ModestHeaderWindowPrivate *priv;
 608
 609         self = (ModestHeaderWindow *) user_data;
 610         if (!GTK_IS_WIDGET (self))
 611                 return;
 612
 613         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 614         priv->model_weak_ref = NULL;
 615
 616         priv->sort_column_handler = 0;
 617 }
 618
 619 static void
 620 on_header_view_model_changed (GObject *gobject,
 621                               GParamSpec *arg1,
 622                               gpointer user_data)
 623 {
 624         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 625         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 626         GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (gobject));
 627
 628         if (priv->model_weak_ref ) {
 629                 g_object_weak_unref ((GObject *) priv->model_weak_ref,
 630                                      on_header_view_model_destroyed,
 631                                      self);
 632                 if (g_signal_handler_is_connected (G_OBJECT (priv->model_weak_ref),
 633                                                    priv->sort_column_handler)) {
 634                         g_signal_handler_disconnect (G_OBJECT (priv->model_weak_ref),
 635                                                      priv->sort_column_handler);
 636                 }
 637                 on_header_view_model_destroyed (self, (GObject *) priv->model_weak_ref);
 638         }
 639
 640         if (!model)
 641                 return;
 642
 643         /* Connect the signal. Listen to object destruction to disconnect it */
 644         priv->sort_column_handler = g_signal_connect ((GObject *) model,
 645                                                       "sort-column-changed",
 646                                                       G_CALLBACK (on_sort_column_changed),
 647                                                       self);
 648         priv->model_weak_ref = model;
 649         g_object_weak_ref ((GObject *) model, on_header_view_model_destroyed, self);
 650 }
 651
 652 static GtkWidget *
 653 create_header_view (ModestWindow *self, TnyFolder *folder)
 654 {
 655         GtkWidget *header_view;
 656         GtkWidget *delete_item, *mark_read_item, *mark_unread_item;
 657         ModestHeaderWindowPrivate *priv;
 658         TnyAccount *account;
 659         ModestProtocolType protocol_type;
 660         gboolean limit_headers;
 661
 662         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 663
 664         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 665
 666         account = modest_tny_folder_get_account (folder);
 667         limit_headers = FALSE;
 668         if (account) {
 669                 protocol_type = modest_tny_account_get_protocol_type (account);
 670                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
 671                                                                     protocol_type,
 672                                                                     MODEST_PROTOCOL_REGISTRY_STORE_LIMIT_HEADER_WINDOW)) {
 673                         limit_headers = TRUE;
 674                 }
 675         }
 676         modest_header_view_set_show_latest (MODEST_HEADER_VIEW (header_view), limit_headers?SHOW_LATEST_SIZE:0);
 677
 678         priv->notify_model = g_signal_connect ((GObject*) header_view, "notify::model",
 679                                                G_CALLBACK (on_header_view_model_changed), self);
 680
 681         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 682                                        TRUE, self, folder_refreshed_cb, self);
 683         modest_header_view_set_filter (MODEST_HEADER_VIEW (header_view),
 684                                        MODEST_HEADER_VIEW_FILTER_NONE);
 685         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 686                                       MODEST_CONF_HEADER_VIEW_KEY);
 687
 688         /* Create CSM menu */
 689         priv->csm_menu = gtk_menu_new ();
 690         delete_item = gtk_menu_item_new_with_label (_HL("wdgt_bd_delete"));
 691         mark_read_item = gtk_menu_item_new_with_label (_("mcen_me_inbox_mark_as_read"));
 692         mark_unread_item = gtk_menu_item_new_with_label (_("mcen_me_inbox_mark_as_unread"));
 693         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), delete_item);
 694         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), mark_read_item);
 695         gtk_menu_shell_append (GTK_MENU_SHELL (priv->csm_menu), mark_unread_item);
 696         hildon_gtk_widget_set_theme_size (delete_item, MODEST_EDITABLE_SIZE);
 697         hildon_gtk_widget_set_theme_size (mark_unread_item, MODEST_EDITABLE_SIZE);
 698         hildon_gtk_widget_set_theme_size (mark_read_item, MODEST_EDITABLE_SIZE);
 699         gtk_widget_show_all (priv->csm_menu);
 700
 701         /* Connect signals */
 702         g_signal_connect ((GObject *) header_view, "tap-and-hold-query",
 703                           G_CALLBACK (tap_and_hold_query_cb), self);
 704         g_signal_connect ((GObject *) delete_item, "activate",
 705                           G_CALLBACK (on_delete_csm_activated), self);
 706         g_signal_connect ((GObject *) mark_read_item, "activate",
 707                           G_CALLBACK (on_mark_read_csm_activated), self);
 708         g_signal_connect ((GObject *) mark_unread_item, "activate",
 709                           G_CALLBACK (on_mark_unread_csm_activated), self);
 710
 711         /* Add tap&hold handling */
 712         gtk_widget_tap_and_hold_setup (header_view, priv->csm_menu, NULL, 0);
 713
 714         return header_view;
 715 }
 716
 717 static GtkWidget *
 718 create_empty_view (ModestWindow *self)
 719 {
 720         GtkWidget *viewport = NULL;
 721         GtkWidget *label = NULL;
 722         GtkWidget *align = NULL;
 723         GtkWidget *vbox = NULL;
 724         GtkWidget *hbox = NULL;
 725         GtkWidget *button = NULL;
 726         GdkPixbuf *new_message_pixbuf;
 727         ModestHeaderWindowPrivate *priv;
 728
 729         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 730
 731         vbox = gtk_vbox_new (0, FALSE);
 732
 733         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 734         label = gtk_label_new (_("mcen_ia_nomessages"));
 735         hildon_helper_set_logical_font (label, "LargeSystemFont");
 736         gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
 737         gtk_widget_show (label);
 738         gtk_widget_show (align);
 739         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
 740         gtk_container_add (GTK_CONTAINER (align), label);
 741         gtk_box_pack_end (GTK_BOX (vbox), align, TRUE, TRUE, 0);
 742
 743         button = hildon_button_new (MODEST_EDITABLE_SIZE,
 744                                     HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
 745
 746         hildon_button_set_title (HILDON_BUTTON (button), _("mcen_ti_new_message"));
 747         new_message_pixbuf = modest_platform_get_icon ("general_add", MODEST_ICON_SIZE_BIG);
 748         hildon_button_set_image (HILDON_BUTTON (button),
 749                                  gtk_image_new_from_pixbuf (new_message_pixbuf));
 750         g_object_unref (new_message_pixbuf);
 751         gtk_widget_show_all (button);
 752
 753         priv->show_more_button2 = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 754         hildon_button_set_title (HILDON_BUTTON (priv->show_more_button2), _("mcen_va_more"));
 755         hildon_button_set_alignment (HILDON_BUTTON (priv->show_more_button2), 0.5, 0.5, 1.0, 1.0);
 756         hildon_button_set_title_alignment (HILDON_BUTTON (priv->show_more_button2), 0.5, 0.5);
 757         hildon_button_set_value_alignment (HILDON_BUTTON (priv->show_more_button2), 0.5, 0.5);
 758         gtk_widget_hide_all (priv->show_more_button2);
 759
 760         hbox = gtk_hbox_new (TRUE, 0);
 761         gtk_widget_show (hbox);
 762         gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
 763         gtk_box_pack_start (GTK_BOX (hbox), priv->show_more_button2, TRUE, TRUE, 0);
 764
 765         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 766
 767         gtk_widget_show (vbox);
 768
 769         g_signal_connect (button,
 770                           "clicked",
 771                           G_CALLBACK (modest_ui_actions_on_new_msg), self);
 772
 773         viewport = gtk_viewport_new ((GtkAdjustment *) gtk_adjustment_new (0, 0, 0, 0, 0, 0),
 774                                      (GtkAdjustment *) gtk_adjustment_new (0, 0, 0, 0, 0, 0));
 775         gtk_container_add (GTK_CONTAINER (viewport), vbox);
 776
 777         return viewport;
 778 }
 779
 780 static void
 781 on_vertical_movement (HildonPannableArea *area,
 782                       HildonMovementDirection direction,
 783                       gdouble x, gdouble y, gpointer user_data)
 784 {
 785         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
 786         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 787
 788         priv->autoscroll = FALSE;
 789 }
 790
 791
 792 ModestWindow *
 793 modest_header_window_new (TnyFolder *folder, const gchar *account_name, const gchar *mailbox)
 794 {
 795         ModestHeaderWindow *self = NULL;
 796         ModestHeaderWindowPrivate *priv = NULL;
 797         HildonProgram *app;
 798         GdkPixbuf *window_icon;
 799         ModestAccountMgr *mgr;
 800         ModestAccountSettings *settings = NULL;
 801         ModestServerAccountSettings *store_settings = NULL;
 802         GtkWidget *action_area_box;
 803         GdkPixbuf *new_message_pixbuf;
 804         GtkWidget *alignment;
 805         gchar *account_display_name = NULL;
 806
 807         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 808         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 809
 810         priv->contents_view = hildon_pannable_area_new ();
 811         alignment = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
 812         gtk_alignment_set_padding (GTK_ALIGNMENT (alignment),
 813                                    HILDON_MARGIN_HALF, 0,
 814                                    HILDON_MARGIN_DOUBLE, HILDON_MARGIN_DOUBLE);
 815
 816         /* We need to do this here to properly listen for mail
 817            operations because create_header_view launches a mail
 818            operation */
 819         priv->queue_change_handler =
 820                 g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 821                                   "queue-changed",
 822                                   G_CALLBACK (on_queue_changed),
 823                                   self);
 824
 825         priv->header_view  = create_header_view (MODEST_WINDOW (self), folder);
 826         priv->empty_view = create_empty_view (MODEST_WINDOW (self));
 827
 828         /* Transform the floating reference in a "hard" reference. We
 829            need to do this because the widgets could be added/removed
 830            to containers many times so we always need to keep a
 831            reference. It could happen also that some widget is never
 832            added to any container */
 833         g_object_ref_sink (priv->header_view);
 834         g_object_ref_sink (priv->empty_view);
 835
 836         g_signal_connect (G_OBJECT (self), "edit-mode-changed",
 837                           G_CALLBACK (edit_mode_changed), (gpointer) self);
 838
 839         action_area_box = hildon_tree_view_get_action_area_box (GTK_TREE_VIEW (priv->header_view));
 840         priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
 841
 842         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_ti_new_message"));
 843         new_message_pixbuf = modest_platform_get_icon ("general_add", MODEST_ICON_SIZE_BIG);
 844         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button), gtk_image_new_from_pixbuf (new_message_pixbuf));
 845         g_object_unref (new_message_pixbuf);
 846
 847         priv->show_more_button = hildon_button_new (MODEST_EDITABLE_SIZE, HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 848         hildon_button_set_title (HILDON_BUTTON (priv->show_more_button), _("mcen_va_more"));
 849         hildon_button_set_alignment (HILDON_BUTTON (priv->show_more_button), 0.5, 0.5, 1.0, 1.0);
 850         hildon_button_set_title_alignment (HILDON_BUTTON (priv->show_more_button), 0.5, 0.5);
 851         hildon_button_set_value_alignment (HILDON_BUTTON (priv->show_more_button), 0.5, 0.5);
 852
 853         gtk_box_pack_start (GTK_BOX (action_area_box), priv->new_message_button, TRUE, TRUE, 0);
 854         gtk_box_pack_start (GTK_BOX (action_area_box), priv->show_more_button, TRUE, TRUE, 0);
 855         gtk_widget_show_all (priv->new_message_button);
 856         gtk_widget_hide_all (priv->show_more_button);
 857         hildon_tree_view_set_action_area_visible (GTK_TREE_VIEW (priv->header_view), TRUE);
 858
 859         setup_menu (self);
 860
 861         priv->top_vbox = gtk_vbox_new (FALSE, 0);
 862         gtk_container_add (GTK_CONTAINER (alignment), priv->contents_view);
 863         gtk_box_pack_end (GTK_BOX (priv->top_vbox), alignment, TRUE, TRUE, 0);
 864
 865         gtk_container_add (GTK_CONTAINER (self), priv->top_vbox);
 866
 867         gtk_widget_show (alignment);
 868         gtk_widget_show (priv->contents_view);
 869         gtk_widget_show (priv->top_vbox);
 870
 871         connect_signals (MODEST_HEADER_WINDOW (self));
 872
 873         update_view (self, NULL);
 874
 875         /* Get device name */
 876         modest_maemo_utils_get_device_name ();
 877
 878         app = hildon_program_get_instance ();
 879         hildon_program_add_window (app, HILDON_WINDOW (self));
 880
 881         /* Set window icon */
 882         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 883         if (window_icon) {
 884                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 885                 g_object_unref (window_icon);
 886         }
 887
 888         /* Dont't restore settings here,
 889          * because it requires a gtk_widget_show(),
 890          * and we don't want to do that until later,
 891          * so that the UI is not visible for non-menu D-Bus activation.
 892          */
 893
 894         /* setup edit modes */
 895         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE,
 896                                                   _("mcen_ti_edit_delete"), _HL("wdgt_bd_delete"),
 897                                                   GTK_TREE_VIEW (priv->header_view),
 898                                                   GTK_SELECTION_MULTIPLE,
 899                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_delete_message));
 900         modest_hildon2_window_register_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE,
 901                                                   _("mcen_ti_edit_move"), _HL("wdgt_bd_move"),
 902                                                   GTK_TREE_VIEW (priv->header_view),
 903                                                   GTK_SELECTION_MULTIPLE,
 904                                                   EDIT_MODE_CALLBACK (modest_ui_actions_on_edit_mode_move_to));
 905
 906
 907         modest_window_set_active_account (MODEST_WINDOW (self), account_name);
 908         modest_window_set_active_mailbox (MODEST_WINDOW (self), mailbox);
 909         mgr = modest_runtime_get_account_mgr ();
 910         settings = modest_account_mgr_load_account_settings (mgr, account_name);
 911         if (settings) {
 912                 account_display_name = g_strdup (modest_account_settings_get_display_name (settings));
 913                 store_settings = modest_account_settings_get_store_settings (settings);
 914                 if (store_settings) {
 915                         priv->current_store_account =
 916                                 g_strdup (modest_server_account_settings_get_account_name (store_settings));
 917                         g_object_unref (store_settings);
 918                 }
 919                 g_object_unref (settings);
 920         }
 921         /* Set window title */
 922         if (TNY_IS_FOLDER (folder)) {
 923                 gchar *folder_name;
 924
 925                 if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_INBOX) {
 926                         const gchar *box_name;
 927                         box_name = mailbox;
 928                         if (box_name == NULL || box_name[0] == '\0') {
 929                                 box_name = account_display_name;
 930                         }
 931                         folder_name = g_strconcat (_("mcen_me_folder_inbox"), " - ", box_name, NULL);
 932                 } else {
 933                         folder_name = modest_tny_folder_get_display_name (folder);
 934                 }
 935
 936                 gtk_window_set_title (GTK_WINDOW (self), folder_name);
 937                 g_free (folder_name);
 938         }
 939         g_free (account_display_name);
 940
 941
 942         update_progress_hint (self);
 943         update_sort_button (self);
 944
 945         return MODEST_WINDOW(self);
 946 }
 947
 948 ModestHeaderView *
 949 modest_header_window_get_header_view (ModestHeaderWindow *self)
 950 {
 951         ModestHeaderWindowPrivate *priv = NULL;
 952
 953         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 954
 955         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 956
 957         return MODEST_HEADER_VIEW (priv->header_view);
 958 }
 959
 960 static void setup_menu (ModestHeaderWindow *self)
 961 {
 962         ModestHeaderWindowPrivate *priv;
 963
 964         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 965         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 966
 967         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_new_message"), "<Control>n",
 968                                            APP_MENU_CALLBACK (modest_ui_actions_on_new_msg),
 969                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_new_msg));
 970         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self),
 971                                            dngettext(GETTEXT_PACKAGE,
 972                                                      "mcen_me_move_message",
 973                                                      "mcen_me_move_messages",
 974                                                      2),
 975                                            NULL,
 976                                            APP_MENU_CALLBACK (set_moveto_edit_mode),
 977                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_move_to));
 978         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_delete_messages"), NULL,
 979                                            APP_MENU_CALLBACK (set_delete_edit_mode),
 980                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_delete));
 981         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_folder_details"), NULL,
 982                                            APP_MENU_CALLBACK (modest_ui_actions_on_details),
 983                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_details));
 984         priv->sort_button = hildon_button_new (MODEST_EDITABLE_SIZE,
 985                                                HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 986         hildon_button_set_title (HILDON_BUTTON (priv->sort_button), _("mcen_me_sort"));
 987         g_signal_connect_after (G_OBJECT (priv->sort_button), "clicked",
 988                                 G_CALLBACK (modest_ui_actions_on_sort), (gpointer) self);
 989         hildon_button_set_style(HILDON_BUTTON (priv->sort_button), HILDON_BUTTON_STYLE_PICKER);
 990         hildon_button_set_title_alignment (HILDON_BUTTON (priv->sort_button), 0.5, 0.5);
 991         hildon_button_set_value_alignment (HILDON_BUTTON (priv->sort_button), 0.5, 0.5);
 992         modest_hildon2_window_add_button_to_menu (MODEST_HILDON2_WINDOW (self), GTK_BUTTON (priv->sort_button),
 993                                                   modest_ui_dimming_rules_on_sort);
 994         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_inbox_sendandreceive"), NULL,
 995                                            APP_MENU_CALLBACK (modest_ui_actions_on_send_receive),
 996                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_send_receive));
 997         modest_hildon2_window_add_to_menu (MODEST_HILDON2_WINDOW (self), _("mcen_me_outbox_cancelsend"), NULL,
 998                                            APP_MENU_CALLBACK (modest_ui_actions_cancel_send),
 999                                            MODEST_DIMMING_CALLBACK (modest_ui_dimming_rules_on_cancel_sending_all));
1000 }
1001
1002 static void
1003 update_view (ModestHeaderWindow *self,
1004              TnyFolderChange *change)
1005 {
1006         ModestHeaderWindowPrivate *priv = NULL;
1007         gboolean refilter = FALSE;
1008         gboolean folder_empty = FALSE;
1009         gboolean all_marked_as_deleted = FALSE;
1010         TnyFolder *folder;
1011         gchar *show_more_value;
1012         guint visible;
1013         guint all_count;
1014
1015         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
1016
1017         /* It could happen when some event is received and the window
1018            was previously closed */
1019         if (!MODEST_IS_HEADER_WINDOW (self))
1020                 return;
1021
1022         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1023
1024         folder = modest_header_view_get_folder ((ModestHeaderView *) priv->header_view);
1025         if (!folder)
1026                 return;
1027
1028         if (change != NULL) {
1029                 TnyFolderChangeChanged changed;
1030
1031                 changed = tny_folder_change_get_changed (change);
1032                 /* If something changes */
1033                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
1034                         all_count = (guint) tny_folder_change_get_new_all_count (change);
1035                 else
1036                         all_count = (guint) tny_folder_get_all_count (folder);
1037
1038                 folder_empty = (all_count == 0);
1039                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
1040                         refilter = TRUE;
1041         } else {
1042                 all_count = (guint) tny_folder_get_all_count (folder);
1043                 folder_empty = (all_count == 0);
1044         }
1045         g_object_unref (folder);
1046
1047         /* Check if all messages are marked to be deleted */
1048         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
1049         folder_empty = folder_empty || all_marked_as_deleted;
1050
1051         /* Set style of headers view */
1052         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
1053
1054         if (refilter)
1055                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
1056
1057         visible = modest_header_view_get_show_latest (MODEST_HEADER_VIEW (priv->header_view));
1058
1059         if (visible > 0 && all_count > 0 && visible < all_count && folder_empty) {
1060                 modest_header_view_set_show_latest (MODEST_HEADER_VIEW (priv->header_view), visible + SHOW_LATEST_SIZE);
1061         }
1062
1063         if (visible > all_count)
1064                 visible = all_count;
1065         if (visible == 0 || visible == all_count) {
1066                 gtk_widget_hide_all (priv->show_more_button);
1067                 gtk_widget_hide_all (priv->show_more_button2);
1068         } else {
1069                 gtk_widget_show_all (priv->show_more_button);
1070                 gtk_widget_show_all (priv->show_more_button2);
1071         }
1072         show_more_value = g_strdup_printf (_("mcen_va_more_toview"), visible, all_count);
1073
1074         hildon_button_set_value (HILDON_BUTTON (priv->show_more_button),
1075                                  show_more_value);
1076         hildon_button_set_value (HILDON_BUTTON (priv->show_more_button2),
1077                                  show_more_value);
1078 }
1079
1080 static void
1081 set_contents_state (ModestHeaderWindow *self,
1082                     ContentsState state)
1083 {
1084         ModestHeaderWindowPrivate *priv = NULL;
1085
1086         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
1087         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1088
1089         if (priv->contents_state == state)
1090                 return;
1091
1092         /* Remove from container the old content */
1093         switch (priv->contents_state) {
1094         case CONTENTS_STATE_EMPTY:
1095                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
1096                 break;
1097         case CONTENTS_STATE_HEADERS:
1098                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
1099                 break;
1100         case CONTENTS_STATE_NONE:
1101                 break;
1102         }
1103
1104         /* Add the new content */
1105         switch (state) {
1106         case CONTENTS_STATE_EMPTY:
1107                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->empty_view);
1108                 gtk_widget_show (priv->empty_view);
1109                 break;
1110         case CONTENTS_STATE_HEADERS:
1111                 gtk_container_add (GTK_CONTAINER (priv->contents_view), priv->header_view);
1112                 gtk_widget_show (priv->header_view);
1113                 break;
1114         case CONTENTS_STATE_NONE:
1115                 break;
1116         }
1117         priv->contents_state = state;
1118 }
1119
1120 static void
1121 on_msg_count_changed (ModestHeaderView *header_view,
1122                       TnyFolder *folder,
1123                       TnyFolderChange *change,
1124                       ModestHeaderWindow *header_window)
1125 {
1126         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
1127
1128         update_view (MODEST_HEADER_WINDOW (header_window), change);
1129 }
1130
1131 static void
1132 on_header_activated (ModestHeaderView *header_view,
1133                      TnyHeader *header,
1134                      GtkTreePath *path,
1135                      ModestHeaderWindow *header_window)
1136 {
1137         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
1138 }
1139
1140 static void
1141 updating_banner_destroyed (gpointer data,
1142                            GObject *where_the_object_was)
1143 {
1144         ModestHeaderWindowPrivate *priv = NULL;
1145
1146         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
1147
1148         priv->updating_banner = NULL;
1149 }
1150
1151 static gboolean
1152 show_updating_banner (gpointer user_data)
1153 {
1154         ModestHeaderWindowPrivate *priv = NULL;
1155
1156         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1157
1158         if (priv->updating_banner == NULL) {
1159
1160                 /* We're outside the main lock */
1161                 gdk_threads_enter ();
1162                 priv->updating_banner =
1163                         modest_platform_animation_banner (GTK_WIDGET (user_data), NULL,
1164                                                           _CS ("ckdg_pb_updating"));
1165
1166                 /* We need this because banners in Maemo could be
1167                    destroyed by dialogs so we need to properly update
1168                    our reference to it */
1169                 g_object_weak_ref (G_OBJECT (priv->updating_banner),
1170                                    updating_banner_destroyed,
1171                                    user_data);
1172                 gdk_threads_leave ();
1173         }
1174
1175         /* Remove timeout */
1176         priv->updating_banner_timeout = 0;
1177         return FALSE;
1178 }
1179
1180 /**
1181  * We use this function to show/hide a progress banner showing
1182  * "Updating" while the header view is being filled. We're not showing
1183  * it unless the update takes more than 2 seconds
1184  *
1185  * If starting = TRUE then the refresh is starting, otherwise it means
1186  * that is has just finished
1187  */
1188 static void
1189 on_updating_msg_list (ModestHeaderView *header_view,
1190                       gboolean starting,
1191                       gpointer user_data)
1192 {
1193         ModestHeaderWindowPrivate *priv = NULL;
1194
1195         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1196
1197         /* Remove old timeout */
1198         if (priv->updating_banner_timeout > 0) {
1199                 g_source_remove (priv->updating_banner_timeout);
1200                 priv->updating_banner_timeout = 0;
1201         }
1202
1203         /* Create a new timeout */
1204         if (starting) {
1205                 priv->updating_banner_timeout =
1206                         g_timeout_add (2000, show_updating_banner, user_data);
1207         } else {
1208                 /* Remove the banner if exists */
1209                 if (priv->updating_banner) {
1210                         gtk_widget_destroy (priv->updating_banner);
1211                         priv->updating_banner = NULL;
1212                 }
1213         }
1214 }
1215
1216 static void
1217 set_delete_edit_mode (GtkButton *button,
1218                       ModestHeaderWindow *self)
1219 {
1220         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_DELETE);
1221 }
1222
1223 static void
1224 set_moveto_edit_mode (GtkButton *button,
1225                     ModestHeaderWindow *self)
1226 {
1227         modest_hildon2_window_set_edit_mode (MODEST_HILDON2_WINDOW (self), EDIT_MODE_COMMAND_MOVE);
1228 }
1229
1230 static gboolean
1231 on_expose_event(GtkTreeView *header_view,
1232                 GdkEventExpose *event,
1233                 gpointer user_data)
1234 {
1235         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
1236         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1237
1238         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1239
1240         if (priv->autoscroll)
1241                 hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
1242
1243         return FALSE;
1244 }
1245
1246 static gboolean
1247 on_map_event(GtkWidget *widget,
1248              GdkEvent *event,
1249              gpointer user_data)
1250 {
1251         ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
1252         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1253
1254         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1255
1256         if (priv->progress_hint) {
1257                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), TRUE);
1258         }
1259         return FALSE;
1260 }
1261
1262 static void
1263 on_progress_list_changed (ModestWindowMgr *mgr,
1264                           ModestHeaderWindow *self)
1265 {
1266         update_progress_hint (self);
1267 }
1268
1269 static gboolean
1270 has_active_operations (ModestHeaderWindow *self)
1271 {
1272         GSList *operations = NULL, *node;
1273         ModestMailOperationQueue *queue;
1274         gboolean has_active = FALSE;
1275
1276         queue = modest_runtime_get_mail_operation_queue ();
1277         operations = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (self));
1278
1279         for (node = operations; node != NULL; node = g_slist_next (node)) {
1280                 if (!modest_mail_operation_is_finished (MODEST_MAIL_OPERATION (node->data))) {
1281                         has_active = TRUE;
1282                         break;
1283                 }
1284         }
1285
1286         if (operations) {
1287                 g_slist_foreach (operations, (GFunc) g_object_unref, NULL);
1288                 g_slist_free (operations);
1289         }
1290
1291         return has_active;
1292 }
1293
1294 static void
1295 update_progress_hint (ModestHeaderWindow *self)
1296 {
1297         ModestHeaderWindowPrivate *priv;
1298
1299         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1300
1301         priv->progress_hint = FALSE;
1302
1303         if (has_active_operations (self)) {
1304                 priv->progress_hint = TRUE;
1305         } else {
1306                 priv->progress_hint = FALSE;
1307         }
1308
1309         if (!priv->progress_hint && priv->current_store_account) {
1310                 priv->progress_hint =
1311                         modest_window_mgr_has_progress_operation_on_account (modest_runtime_get_window_mgr (),
1312                                                                              priv->current_store_account);
1313         }
1314
1315         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
1316
1317         if (GTK_WIDGET_VISIBLE (self)) {
1318                 hildon_gtk_window_set_progress_indicator (GTK_WINDOW (self), priv->progress_hint?1:0);
1319         }
1320 }
1321
1322 gboolean
1323 modest_header_window_toolbar_on_transfer_mode     (ModestHeaderWindow *self)
1324 {
1325         ModestHeaderWindowPrivate *priv= NULL;
1326
1327         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1328         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1329
1330         return priv->progress_hint;
1331 }
1332
1333 gboolean
1334 modest_header_window_transfer_mode_enabled (ModestHeaderWindow *self)
1335 {
1336         ModestHeaderWindowPrivate *priv;
1337
1338         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
1339         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
1340
1341         return priv->progress_hint;
1342 }
1343
1344 static void
1345 on_mail_operation_started (ModestMailOperation *mail_op,
1346                            gpointer user_data)
1347 {
1348         ModestHeaderWindow *self;
1349         ModestMailOperationTypeOperation op_type;
1350         GObject *source = NULL;
1351
1352         self = MODEST_HEADER_WINDOW (user_data);
1353         op_type = modest_mail_operation_get_type_operation (mail_op);
1354         source = modest_mail_operation_get_source(mail_op);
1355         if (G_OBJECT (self) == source) {
1356                 update_progress_hint (self);
1357         }
1358         g_object_unref (source);
1359 }
1360
1361 static void
1362 on_mail_operation_finished (ModestMailOperation *mail_op,
1363                             gpointer user_data)
1364 {
1365         ModestHeaderWindow *self;
1366
1367         self = MODEST_HEADER_WINDOW (user_data);
1368
1369         /* Don't disable the progress hint if there are more pending
1370            operations from this window */
1371         update_progress_hint (self);
1372
1373         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
1374 }
1375
1376 static void
1377 on_queue_changed (ModestMailOperationQueue *queue,
1378                   ModestMailOperation *mail_op,
1379                   ModestMailOperationQueueNotification type,
1380                   ModestHeaderWindow *self)
1381 {
1382         ModestHeaderWindowPrivate *priv;
1383
1384         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1385
1386         /* If this operations was created by another window, do nothing */
1387         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self)))
1388                 return;
1389
1390         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
1391                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1392                                                                G_OBJECT (mail_op),
1393                                                                "operation-started",
1394                                                                G_CALLBACK (on_mail_operation_started),
1395                                                                self);
1396                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
1397                                                                G_OBJECT (mail_op),
1398                                                                "operation-finished",
1399                                                                G_CALLBACK (on_mail_operation_finished),
1400                                                                self);
1401         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
1402                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1403                                                                   G_OBJECT (mail_op),
1404                                                                   "operation-started");
1405                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
1406                                                                   G_OBJECT (mail_op),
1407                                                                   "operation-finished");
1408         }
1409 }
1410
1411 static void
1412 modest_header_window_pack_toolbar (ModestHildon2Window *self,
1413                                    GtkPackType pack_type,
1414                                    GtkWidget *toolbar)
1415 {
1416         ModestHeaderWindowPrivate *priv;
1417
1418         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
1419         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1420
1421         if (pack_type == GTK_PACK_START) {
1422                 gtk_box_pack_start (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
1423         } else {
1424                 gtk_box_pack_end (GTK_BOX (priv->top_vbox), toolbar, FALSE, FALSE, 0);
1425         }
1426 }
1427
1428 static void
1429 edit_mode_changed (ModestHeaderWindow *header_window,
1430                    gint edit_mode_id,
1431                    gboolean enabled,
1432                    ModestHeaderWindow *self)
1433 {
1434         ModestHeaderWindowPrivate *priv;
1435         ModestHeaderViewFilter filter = MODEST_HEADER_VIEW_FILTER_NONE;
1436
1437         g_return_if_fail (MODEST_IS_HEADER_WINDOW (self));
1438         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1439
1440         switch (edit_mode_id) {
1441         case EDIT_MODE_COMMAND_MOVE:
1442                 filter = MODEST_HEADER_VIEW_FILTER_MOVEABLE;
1443                 break;
1444         case EDIT_MODE_COMMAND_DELETE:
1445                 filter = MODEST_HEADER_VIEW_FILTER_DELETABLE;
1446                 break;
1447         case MODEST_HILDON2_WINDOW_EDIT_MODE_NONE:
1448                 filter = MODEST_HEADER_VIEW_FILTER_NONE;
1449                 break;
1450         }
1451
1452         hildon_tree_view_set_action_area_visible (GTK_TREE_VIEW (priv->header_view), !enabled);
1453         if (enabled) {
1454                 modest_header_view_set_filter (MODEST_HEADER_VIEW (priv->header_view),
1455                                                filter);
1456         } else {
1457                 GtkTreeSelection *sel;
1458
1459                 /* Unselect all. This will prevent us from keeping a
1460                    reference to a TnyObject that we don't want to
1461                    have */
1462                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->header_view));
1463                 gtk_tree_selection_unselect_all (sel);
1464
1465                 modest_header_view_unset_filter (MODEST_HEADER_VIEW (priv->header_view),
1466                                                  filter);
1467         }
1468 }
1469
1470 static void
1471 on_sort_column_changed (GtkTreeSortable *treesortable,
1472                         gpointer         user_data)
1473 {
1474         update_sort_button (MODEST_HEADER_WINDOW (user_data));
1475 }
1476
1477 static void
1478 update_sort_button (ModestHeaderWindow *self)
1479 {
1480         ModestHeaderWindowPrivate *priv;
1481         GtkTreeSortable *sortable;
1482         gint current_sort_colid = -1;
1483         GtkSortType current_sort_type;
1484         const gchar *value = NULL;
1485
1486         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1487
1488         /* This could happen as the first time the model is set the
1489            header_view is still not assigned to priv->header_view */
1490         if (!priv->header_view)
1491                 return;
1492
1493         sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (GTK_TREE_VIEW (priv->header_view)));
1494
1495         if (!gtk_tree_sortable_get_sort_column_id (sortable,
1496                                                    &current_sort_colid, &current_sort_type)) {
1497                 value =  _("mcen_li_sort_sender_date_newest");
1498         } else {
1499                 switch (current_sort_colid) {
1500                 case TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN:
1501                 {
1502                         GList *cols = NULL;
1503                         cols = modest_header_view_get_columns (MODEST_HEADER_VIEW (priv->header_view));
1504                         if (cols != NULL) {
1505                                 gpointer flags_sort_type_pointer;
1506                                 flags_sort_type_pointer = g_object_get_data (G_OBJECT (cols->data),
1507                                                                              MODEST_HEADER_VIEW_FLAG_SORT);
1508                                 if (GPOINTER_TO_INT (flags_sort_type_pointer) == TNY_HEADER_FLAG_PRIORITY_MASK)
1509                                         value = _("mcen_li_sort_priority");
1510                                 else
1511                                         value = _("mcen_li_sort_attachment");
1512                                 g_list_free(cols);
1513                         }
1514                 }
1515                 break;
1516                 case TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN:
1517                 case TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN:
1518                         if (current_sort_type == GTK_SORT_ASCENDING)
1519                                 value = _("mcen_li_sort_sender_recipient_az");
1520                         else
1521                                 value = _("mcen_li_sort_sender_recipient_za");
1522                         break;
1523                 case TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN:
1524                 case TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN:
1525                         if (current_sort_type == GTK_SORT_ASCENDING)
1526                                 value = _("mcen_li_sort_date_oldest");
1527                         else
1528                                 value = _("mcen_li_sort_date_newest");
1529                         break;
1530                 case TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN:
1531                         if (current_sort_type == GTK_SORT_ASCENDING)
1532                                 value = _("mcen_li_sort_subject_az");
1533                         else
1534                                 value = _("mcen_li_sort_subject_za");
1535                         break;
1536                 case TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN:
1537                         if (current_sort_type == GTK_SORT_ASCENDING)
1538                                 value = _("mcen_li_sort_size_smallest");
1539                         else
1540                                 value = _("mcen_li_sort_size_largest");
1541                         break;
1542                 }
1543         }
1544
1545         hildon_button_set_value (HILDON_BUTTON (priv->sort_button), value?value:"");
1546 }
1547
1548 static void
1549 on_horizontal_movement (HildonPannableArea *hildonpannable,
1550                         gint                direction,
1551                         gdouble             initial_x,
1552                         gdouble             initial_y,
1553                         gpointer            user_data)
1554 {
1555         ModestHeaderWindowPrivate *priv;
1556         gint dest_x, dest_y;
1557         TnyHeader *header;
1558
1559         /* Ignore right to left movement */
1560         if (direction == HILDON_MOVEMENT_LEFT)
1561                 return;
1562
1563         /* Get the header to delete */
1564         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (user_data);
1565
1566         /* Get tree view coordinates */
1567         if (!gtk_widget_translate_coordinates ((GtkWidget *) hildonpannable,
1568                                                priv->header_view,
1569                                                initial_x,
1570                                                initial_y,
1571                                                &dest_x,
1572                                                &dest_y))
1573             return;
1574
1575         header = modest_header_view_get_header_at_pos ((ModestHeaderView *) priv->header_view,
1576                                                        dest_x, dest_y);
1577         if (header) {
1578                 delete_header ((GtkWindow *) user_data, header);
1579                 g_object_unref (header);
1580         }
1581 }
1582
1583
1584 static gboolean
1585 on_key_press(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
1586 {
1587         ModestHeaderWindowPrivate *priv;
1588         HildonPannableArea *pannable;
1589         /* FIXME: set scroll_speed depends on for how long the key was pressed */
1590         gint scroll_speed = 3;
1591
1592         if (event->type == GDK_KEY_RELEASE)
1593                 return FALSE;
1594
1595         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(user_data);
1596
1597         pannable = HILDON_PANNABLE_AREA (priv->contents_view);
1598
1599         switch (event->keyval) {
1600
1601         case GDK_Up:
1602                 priv->autoscroll = FALSE;
1603                 modest_maemo_utils_scroll_pannable(pannable, 0, -scroll_speed);
1604                 break;
1605
1606         case GDK_Down:
1607                 priv->autoscroll = FALSE;
1608                 modest_maemo_utils_scroll_pannable(pannable, 0, scroll_speed);
1609                 break;
1610         }
1611
1612         return FALSE;
1613 }
1614
1615 static void
1616 modest_header_window_show_more (GtkAction *action, ModestWindow *win)
1617 {
1618         ModestHeaderWindow *self;
1619         ModestHeaderWindowPrivate *priv = NULL;
1620
1621         self = MODEST_HEADER_WINDOW (win);
1622         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
1623         if (!priv->header_view)
1624                 return;
1625
1626         if (modest_header_view_get_not_latest (MODEST_HEADER_VIEW (priv->header_view)) > 0) {
1627                 modest_header_view_set_show_latest (MODEST_HEADER_VIEW (priv->header_view),
1628                                                     modest_header_view_get_show_latest (MODEST_HEADER_VIEW (priv->header_view)) +
1629                                                     SHOW_LATEST_SIZE);
1630                 update_view (self, NULL);
1631         }
1632 }