git.maemo.org Git - modest/blob - src/widgets/modest-header-view.c

   1 /* Copyright (c) 2006, 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 <glib/gi18n.h>
  31 #include <tny-list.h>
  32 #include <tny-simple-list.h>
  33 #include <tny-folder-monitor.h>
  34 #include <string.h>
  35
  36 #include <modest-header-view.h>
  37 #include <modest-header-view-priv.h>
  38 #include <modest-dnd.h>
  39 #include <modest-tny-folder.h>
  40
  41 #include <modest-marshal.h>
  42 #include <modest-text-utils.h>
  43 #include <modest-icon-names.h>
  44 #include <modest-runtime.h>
  45
  46 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  47 static void modest_header_view_init        (ModestHeaderView *obj);
  48 static void modest_header_view_finalize    (GObject *obj);
  49
  50 static gboolean      on_header_clicked      (GtkWidget *widget,
  51                                             GdkEventButton *event,
  52                                             gpointer user_data);
  53
  54 static gint          cmp_rows               (GtkTreeModel *tree_model,
  55                                              GtkTreeIter *iter1,
  56                                              GtkTreeIter *iter2,
  57                                              gpointer user_data);
  58
  59 static void          on_selection_changed   (GtkTreeSelection *sel,
  60                                              gpointer user_data);
  61
  62 static void          setup_drag_and_drop    (GtkTreeView *self);
  63
  64 static GtkTreePath * get_selected_row       (GtkTreeView *self, GtkTreeModel **model);
  65
  66 static gboolean      on_focus_in            (GtkWidget     *sef,
  67                                              GdkEventFocus *event,
  68                                              gpointer       user_data);
  69
  70 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  71 struct _ModestHeaderViewPrivate {
  72         TnyFolder            *folder;
  73         ModestHeaderViewStyle style;
  74
  75         TnyFolderMonitor     *monitor;
  76         GMutex               *monitor_lock;
  77         gint sort_colid[2][TNY_FOLDER_TYPE_NUM];
  78 };
  79
  80 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  81                                                 MODEST_TYPE_HEADER_VIEW, \
  82                                                 ModestHeaderViewPrivate))
  83
  84
  85
  86 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  87
  88 enum {
  89         HEADER_SELECTED_SIGNAL,
  90         HEADER_ACTIVATED_SIGNAL,
  91         ITEM_NOT_FOUND_SIGNAL,
  92         STATUS_UPDATE_SIGNAL,
  93         LAST_SIGNAL
  94 };
  95
  96 /* globals */
  97 static GObjectClass *parent_class = NULL;
  98
  99 /* uncomment the following if you have defined any signals */
 100 static guint signals[LAST_SIGNAL] = {0};
 101
 102 GType
 103 modest_header_view_get_type (void)
 104 {
 105         static GType my_type = 0;
 106         if (!my_type) {
 107                 static const GTypeInfo my_info = {
 108                         sizeof(ModestHeaderViewClass),
 109                         NULL,           /* base init */
 110                         NULL,           /* base finalize */
 111                         (GClassInitFunc) modest_header_view_class_init,
 112                         NULL,           /* class finalize */
 113                         NULL,           /* class data */
 114                         sizeof(ModestHeaderView),
 115                         1,              /* n_preallocs */
 116                         (GInstanceInitFunc) modest_header_view_init,
 117                         NULL
 118                 };
 119                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 120                                                   "ModestHeaderView",
 121                                                   &my_info, 0);
 122         }
 123         return my_type;
 124 }
 125
 126 static void
 127 modest_header_view_class_init (ModestHeaderViewClass *klass)
 128 {
 129         GObjectClass *gobject_class;
 130         gobject_class = (GObjectClass*) klass;
 131
 132         parent_class            = g_type_class_peek_parent (klass);
 133         gobject_class->finalize = modest_header_view_finalize;
 134
 135         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 136
 137         signals[HEADER_SELECTED_SIGNAL] =
 138                 g_signal_new ("header_selected",
 139                               G_TYPE_FROM_CLASS (gobject_class),
 140                               G_SIGNAL_RUN_FIRST,
 141                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 142                               NULL, NULL,
 143                               g_cclosure_marshal_VOID__POINTER,
 144                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 145
 146         signals[HEADER_ACTIVATED_SIGNAL] =
 147                 g_signal_new ("header_activated",
 148                               G_TYPE_FROM_CLASS (gobject_class),
 149                               G_SIGNAL_RUN_FIRST,
 150                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 151                               NULL, NULL,
 152                               g_cclosure_marshal_VOID__POINTER,
 153                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 154
 155
 156         signals[ITEM_NOT_FOUND_SIGNAL] =
 157                 g_signal_new ("item_not_found",
 158                               G_TYPE_FROM_CLASS (gobject_class),
 159                               G_SIGNAL_RUN_FIRST,
 160                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 161                               NULL, NULL,
 162                               g_cclosure_marshal_VOID__INT,
 163                               G_TYPE_NONE, 1, G_TYPE_INT);
 164
 165         signals[STATUS_UPDATE_SIGNAL] =
 166                 g_signal_new ("status_update",
 167                               G_TYPE_FROM_CLASS (gobject_class),
 168                               G_SIGNAL_RUN_FIRST,
 169                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 170                               NULL, NULL,
 171                               modest_marshal_VOID__STRING_INT_INT,
 172                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 173 }
 174
 175 static GtkTreeViewColumn*
 176 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 177                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 178                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 179 {
 180         GtkTreeViewColumn *column;
 181
 182         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 183         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 184
 185         gtk_tree_view_column_set_resizable (column, resizable);
 186         if (resizable)
 187                 gtk_tree_view_column_set_expand (column, TRUE);
 188
 189         if (show_as_text)
 190                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 191                                                     sort_col_id);
 192         if (sort_col_id >= 0)
 193                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 194
 195         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 196         gtk_tree_view_column_set_reorderable (column, TRUE);
 197
 198         if (cell_data_func)
 199                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 200                                                         user_data, NULL);
 201         return column;
 202 }
 203
 204
 205
 206
 207 static void
 208 remove_all_columns (ModestHeaderView *obj)
 209 {
 210         GList *columns, *cursor;
 211
 212         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 213
 214         for (cursor = columns; cursor; cursor = cursor->next)
 215                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 216                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 217         g_list_free (columns);
 218 }
 219
 220 gboolean
 221 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, TnyFolderType type)
 222 {
 223         GtkTreeModel *sortable;
 224         GtkTreeViewColumn *column=NULL;
 225         GtkTreeSelection *selection = NULL;
 226         GtkCellRenderer *renderer_msgtype,*renderer_header,
 227                 *renderer_attach,  *renderer_comptact_flag,
 228                 *renderer_compact_date;
 229         ModestHeaderViewPrivate *priv;
 230         const GList *cursor;
 231
 232         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 233
 234         /* FIXME: check whether these renderers need to be freed */
 235         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 236         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 237         renderer_header  = gtk_cell_renderer_text_new ();
 238         renderer_comptact_flag  = gtk_cell_renderer_pixbuf_new ();
 239         renderer_compact_date  = gtk_cell_renderer_text_new ();
 240
 241         g_object_set(G_OBJECT(renderer_header),
 242                      "ellipsize", PANGO_ELLIPSIZE_END,
 243                      NULL);
 244         g_object_set(G_OBJECT(renderer_compact_date),
 245                      "xalign", 1.0,
 246                      NULL);
 247
 248         remove_all_columns (self);
 249
 250         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 251         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
 252         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 253
 254         /* Add new columns */
 255         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 256                 ModestHeaderViewColumn col =
 257                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 258
 259                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 260                         g_printerr ("modest: invalid column %d in column list\n", col);
 261                         continue;
 262                 }
 263
 264                 switch (col) {
 265
 266                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 267                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 268                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 269                                                  FALSE,
 270                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 271                                                  NULL);
 272                         gtk_tree_view_column_set_fixed_width (column, 45);
 273                         break;
 274
 275                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 276                         column = get_new_column (_("A"), renderer_attach, FALSE,
 277                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 278                                                  FALSE,
 279                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 280                                                  NULL);
 281                         gtk_tree_view_column_set_fixed_width (column, 45);
 282                         break;
 283
 284
 285                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 286                         column = get_new_column (_("From"), renderer_header, TRUE,
 287                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 288                                                  TRUE,
 289                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 290                                                  GINT_TO_POINTER(TRUE));
 291                         break;
 292
 293                 case MODEST_HEADER_VIEW_COLUMN_TO:
 294                         column = get_new_column (_("To"), renderer_header, TRUE,
 295                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 296                                                  TRUE,
 297                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 298                                                  GINT_TO_POINTER(FALSE));
 299                         break;
 300
 301                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
 302                         column = get_new_column (_("F"), renderer_comptact_flag, FALSE,
 303                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 304                                                  FALSE,
 305                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_flag_cell_data,
 306                                                  NULL);
 307                         gtk_tree_view_column_set_fixed_width (column, 45);
 308                         break;
 309
 310                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 311                         column = get_new_column (_("Header"), renderer_header, TRUE,
 312                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 313                                                  TRUE,
 314                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 315                                                  GINT_TO_POINTER(TRUE));
 316                         break;
 317
 318                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 319                         column = get_new_column (_("Header"), renderer_header, TRUE,
 320                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 321                                                  TRUE,
 322                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 323                                                  GINT_TO_POINTER(FALSE));
 324                         break;
 325
 326
 327                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 328                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 329                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 330                                                  TRUE,
 331                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 332                                                  NULL);
 333                         break;
 334
 335                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 336                         column = get_new_column (_("Received"), renderer_header, TRUE,
 337                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 338                                                  TRUE,
 339                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 340                                                  GINT_TO_POINTER(TRUE));
 341                         break;
 342
 343                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 344                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 345                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 346                                                  TRUE,
 347                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 348                                                  GINT_TO_POINTER(FALSE));
 349                         break;
 350
 351                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
 352                         column = get_new_column (_("Received"), renderer_compact_date, FALSE,
 353                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 354                                                  TRUE,
 355                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 356                                                  GINT_TO_POINTER(TRUE));
 357                         gtk_tree_view_column_set_fixed_width (column, 130);
 358                         break;
 359
 360                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
 361                         column = get_new_column (_("Sent"), renderer_compact_date, FALSE,
 362                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 363                                                  TRUE,
 364                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 365                                                  GINT_TO_POINTER(FALSE));
 366                         gtk_tree_view_column_set_fixed_width (column, 130);
 367                         break;
 368                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 369                         column = get_new_column (_("Size"), renderer_header, TRUE,
 370                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 371                                                  FALSE,
 372                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 373                                                  NULL);
 374                         break;
 375                 case MODEST_HEADER_VIEW_COLUMN_STATUS:
 376                         column = get_new_column (_("Status"), renderer_compact_date, TRUE,
 377                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 378                                                  FALSE,
 379                                                  (GtkTreeCellDataFunc)_modest_header_view_status_cell_data,
 380                                                  NULL);
 381                         break;
 382
 383                 default:
 384                         g_return_val_if_reached(FALSE);
 385                 }
 386
 387                 if (sortable) {
 388 /*                      guint sort_colid = gtk_tree_view_column_get_sort_column_id (column); */
 389 /*                      gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), */
 390 /*                                                       sort_colid, (GtkTreeIterCompareFunc)cmp_rows, */
 391 /*                                                       column, NULL); */
 392                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 393                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 394                                                          column, NULL);
 395                 }
 396                 /* we keep the column id around */
 397                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 398                                    GINT_TO_POINTER(col));
 399
 400                 /* we need this ptr when sorting the rows */
 401                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 402                                    self);
 403                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 404         }
 405
 406
 407         return TRUE;
 408 }
 409
 410 static void
 411 modest_header_view_init (ModestHeaderView *obj)
 412 {
 413         ModestHeaderViewPrivate *priv;
 414         guint i, j;
 415
 416         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 417
 418         priv->folder  = NULL;
 419
 420         priv->monitor        = NULL;
 421         priv->monitor_lock   = g_mutex_new ();
 422         for (j=0; j < 2; j++)
 423                 for (i=0; i < TNY_FOLDER_TYPE_NUM; i++)
 424                         priv->sort_colid[j][i] = -1;
 425
 426         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 427 }
 428
 429 static void
 430 modest_header_view_finalize (GObject *obj)
 431 {
 432         ModestHeaderView        *self;
 433         ModestHeaderViewPrivate *priv;
 434
 435         self = MODEST_HEADER_VIEW(obj);
 436         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 437
 438         g_mutex_lock (priv->monitor_lock);
 439         if (priv->monitor) {
 440                 tny_folder_monitor_stop (priv->monitor);
 441                 g_object_unref (G_OBJECT (priv->monitor));
 442         }
 443         g_mutex_unlock (priv->monitor_lock);
 444         g_mutex_free (priv->monitor_lock);
 445
 446         if (priv->folder) {
 447                 g_object_unref (G_OBJECT (priv->folder));
 448                 priv->folder   = NULL;
 449         }
 450
 451         G_OBJECT_CLASS(parent_class)->finalize (obj);
 452 }
 453
 454
 455 GtkWidget*
 456 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 457 {
 458         GObject *obj;
 459         GtkTreeSelection *sel;
 460         ModestHeaderView *self;
 461         ModestHeaderViewPrivate *priv;
 462
 463         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 464                               NULL);
 465
 466         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 467         self = MODEST_HEADER_VIEW(obj);
 468         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 469
 470         modest_header_view_set_style   (self, style);
 471         modest_header_view_set_folder (self, NULL);
 472
 473         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 474         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 475         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 476
 477         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 478                                       TRUE); /* alternating row colors */
 479         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 480
 481         g_signal_connect (sel, "changed",
 482                           G_CALLBACK(on_selection_changed), self);
 483
 484         g_signal_connect (self, "button-press-event",
 485                           G_CALLBACK(on_header_clicked), NULL);
 486
 487         g_signal_connect (self, "focus-in-event",
 488                           G_CALLBACK(on_focus_in), NULL);
 489
 490         return GTK_WIDGET(self);
 491 }
 492
 493
 494 TnyList *
 495 modest_header_view_get_selected_headers (ModestHeaderView *self)
 496 {
 497         GtkTreeSelection *sel;
 498         ModestHeaderViewPrivate *priv;
 499         TnyList *header_list = NULL;
 500         TnyHeader *header;
 501         GList *list, *tmp = NULL;
 502         GtkTreeModel *tree_model = NULL;
 503         GtkTreeIter iter;
 504
 505         g_return_val_if_fail (self, NULL);
 506
 507         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 508
 509         /* Get selected rows */
 510         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 511         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 512
 513         if (list) {
 514                 header_list = tny_simple_list_new();
 515
 516                 list = g_list_reverse (list);
 517                 tmp = list;
 518                 while (tmp) {
 519                         /* get header from selection */
 520                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 521                         gtk_tree_model_get (tree_model, &iter,
 522                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 523                                             &header, -1);
 524                         /* Prepend to list */
 525                         tny_list_prepend (header_list, G_OBJECT (header));
 526                         g_object_unref (G_OBJECT (header));
 527
 528                         tmp = g_list_next (tmp);
 529                 }
 530                 /* Clean up*/
 531                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 532                 g_list_free (list);
 533         }
 534         return header_list;
 535 }
 536
 537
 538 /* scroll our list view so the selected item is visible */
 539 static void
 540 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 541 {
 542 #ifdef MODEST_PLATFORM_GNOME
 543
 544         GtkTreePath *selected_path;
 545         GtkTreePath *start, *end;
 546
 547         GtkTreeModel *model;
 548
 549         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 550         selected_path = gtk_tree_model_get_path (model, iter);
 551
 552         start = gtk_tree_path_new ();
 553         end   = gtk_tree_path_new ();
 554
 555         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 556
 557         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 558             gtk_tree_path_compare (end, selected_path) < 0)
 559                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 560                                               selected_path, NULL, TRUE,
 561                                               up ? 0.0 : 1.0,
 562                                               up ? 0.0 : 1.0);
 563         gtk_tree_path_free (selected_path);
 564         gtk_tree_path_free (start);
 565         gtk_tree_path_free (end);
 566
 567 #endif /* MODEST_PLATFORM_GNOME */
 568 }
 569
 570
 571 void
 572 modest_header_view_select_next (ModestHeaderView *self)
 573 {
 574         GtkTreeSelection *sel;
 575         GtkTreeIter iter;
 576         GtkTreeModel *model;
 577         GtkTreePath *path;
 578
 579         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 580         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 581         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 582                 /* Unselect previous path */
 583                 gtk_tree_selection_unselect_path (sel, path);
 584
 585                 /* Move path down and selects new one  */
 586                 if (gtk_tree_model_iter_next (model, &iter)) {
 587                         gtk_tree_selection_select_iter (sel, &iter);
 588                         scroll_to_selected (self, &iter, FALSE);
 589                 }
 590                 gtk_tree_path_free(path);
 591         }
 592
 593 }
 594
 595 void
 596 modest_header_view_select_prev (ModestHeaderView *self)
 597 {
 598         GtkTreeSelection *sel;
 599         GtkTreeIter iter;
 600         GtkTreeModel *model;
 601         GtkTreePath *path;
 602
 603         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 604         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 605         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 606                 /* Unselect previous path */
 607                 gtk_tree_selection_unselect_path (sel, path);
 608
 609                 /* Move path up */
 610                 if (gtk_tree_path_prev (path)) {
 611                         gtk_tree_model_get_iter (model, &iter, path);
 612
 613                         /* Select the new one */
 614                         gtk_tree_selection_select_iter (sel, &iter);
 615                         scroll_to_selected (self, &iter, TRUE);
 616
 617                 }
 618                 gtk_tree_path_free (path);
 619         }
 620 }
 621
 622 GList*
 623 modest_header_view_get_columns (ModestHeaderView *self)
 624 {
 625         g_return_val_if_fail (self, FALSE);
 626         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 627 }
 628
 629 gboolean
 630 modest_header_view_is_empty (ModestHeaderView *self)
 631 {
 632         g_return_val_if_fail (self, FALSE);
 633         return FALSE; /* FIXME */
 634 }
 635
 636
 637 gboolean
 638 modest_header_view_set_style (ModestHeaderView *self,
 639                               ModestHeaderViewStyle style)
 640 {
 641         ModestHeaderViewPrivate *priv;
 642         gboolean show_col_headers = FALSE;
 643         ModestHeaderViewStyle old_style;
 644
 645         g_return_val_if_fail (self, FALSE);
 646         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 647                               FALSE);
 648
 649         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 650         if (priv->style == style)
 651                 return TRUE; /* nothing to do */
 652
 653         switch (style) {
 654         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 655                 show_col_headers = TRUE;
 656                 break;
 657         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 658                 break;
 659         default:
 660                 g_return_val_if_reached (FALSE);
 661         }
 662         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 663         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 664
 665         old_style   = priv->style;
 666         priv->style = style;
 667
 668         return TRUE;
 669 }
 670
 671
 672 ModestHeaderViewStyle
 673 modest_header_view_get_style (ModestHeaderView *self)
 674 {
 675         g_return_val_if_fail (self, FALSE);
 676         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 677 }
 678
 679 /*
 680  * This function sets a sortable model in the header view. It's just
 681  * used for developing purposes, because it only does a
 682  * gtk_tree_view_set_model
 683  */
 684 static void
 685 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 686 {
 687         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 688
 689         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 690                 GtkTreeModel *old_model;
 691                 ModestHeaderViewPrivate *priv;
 692
 693                 priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
 694                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 695
 696                 /* Set new model */
 697                 gtk_tree_view_set_model (header_view, model);
 698
 699                 modest_runtime_verify_object_death (old_model, "");
 700                 modest_runtime_verify_object_death (old_model_sort, "");
 701         } else
 702                 gtk_tree_view_set_model (header_view, model);
 703
 704         return;
 705 }
 706
 707 static void
 708 on_progress_changed (ModestMailOperation *mail_op,
 709                      ModestHeaderView *self)
 710 {
 711         TnyFolderType type;
 712         GtkTreeModel *sortable;
 713         ModestHeaderViewPrivate *priv;
 714         GList *cols, *cursor;
 715         TnyList *headers;
 716         guint sort_colid;
 717
 718         if (!modest_mail_operation_is_finished (mail_op))
 719                 return;
 720
 721         if (modest_mail_operation_get_error (mail_op))
 722                 return;
 723
 724         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 725
 726         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 727
 728         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 729                                               priv->folder, TRUE);
 730
 731         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 732         g_object_unref (G_OBJECT (headers));
 733
 734         /* install our special sorting functions */
 735         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 736         while (cursor) {
 737                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 738                                                                  MODEST_HEADER_VIEW_COLUMN));
 739                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 740                                                  col_id,
 741                                                  (GtkTreeIterCompareFunc) cmp_rows,
 742                                                  cursor->data, NULL);
 743                 cursor = g_list_next(cursor);
 744         }
 745         g_list_free (cols);
 746
 747         /* Restore sort column id */
 748         type  = modest_tny_folder_guess_folder_type (priv->folder);
 749         sort_colid = modest_header_view_get_sort_column_id (self, type);
 750         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 751                                               sort_colid,
 752                                               GTK_SORT_DESCENDING);
 753
 754         /* Set new model */
 755         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 756         g_object_unref (G_OBJECT (sortable));
 757
 758         /* Add a folder observer */
 759         g_mutex_lock (priv->monitor_lock);
 760         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (priv->folder));
 761         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 762         tny_folder_monitor_start (priv->monitor);
 763         g_mutex_unlock (priv->monitor_lock);
 764
 765 }
 766
 767 TnyFolder*
 768 modest_header_view_get_folder (ModestHeaderView *self)
 769 {
 770         ModestHeaderViewPrivate *priv;
 771         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 772
 773         if (priv->folder)
 774                 g_object_ref (priv->folder);
 775
 776         return priv->folder;
 777 }
 778
 779 static void
 780 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 781 {
 782         TnyFolderType type;
 783         TnyList *headers;
 784         ModestHeaderViewPrivate *priv;
 785         GList *cols, *cursor;
 786         GtkTreeModel *sortable;
 787         guint sort_colid;
 788
 789         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 790
 791         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 792
 793         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 794                                               folder, FALSE);
 795
 796         /* Add a folder observer */
 797         g_mutex_lock (priv->monitor_lock);
 798         if (priv->monitor) {
 799                 tny_folder_monitor_stop (priv->monitor);
 800                 g_object_unref (G_OBJECT (priv->monitor));
 801         }
 802         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 803         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 804         tny_folder_monitor_start (priv->monitor);
 805         g_mutex_unlock (priv->monitor_lock);
 806
 807
 808         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 809         g_object_unref (G_OBJECT (headers));
 810
 811         /* install our special sorting functions */
 812         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 813         while (cursor) {
 814                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 815                                                                  MODEST_HEADER_VIEW_COLUMN));
 816                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 817                                                  col_id,
 818                                                  (GtkTreeIterCompareFunc) cmp_rows,
 819                                                  cursor->data, NULL);
 820                 cursor = g_list_next(cursor);
 821         }
 822         g_list_free (cols);
 823
 824         /* Restore sort column id */
 825         type  = modest_tny_folder_guess_folder_type (folder);
 826         sort_colid = modest_header_view_get_sort_column_id (self, type);
 827         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 828                                               sort_colid,
 829                                               GTK_SORT_DESCENDING);
 830
 831         /* Set new model */
 832         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 833         g_object_unref (G_OBJECT (sortable));
 834 }
 835
 836 void
 837 modest_header_view_set_sort_column_id (ModestHeaderView *self, guint sort_colid, TnyFolderType type)
 838 {
 839         ModestHeaderViewPrivate *priv;
 840         ModestHeaderViewStyle style;
 841
 842         style = modest_header_view_get_style   (self);
 843         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 844
 845         priv->sort_colid[style][type] = sort_colid;
 846 }
 847
 848 gint
 849 modest_header_view_get_sort_column_id (ModestHeaderView *self, TnyFolderType type)
 850 {
 851         ModestHeaderViewPrivate *priv;
 852         ModestHeaderViewStyle style;
 853
 854         style = modest_header_view_get_style   (self);
 855         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 856
 857         return priv->sort_colid[style][type];
 858 }
 859
 860 void
 861 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 862 {
 863         ModestHeaderViewPrivate *priv;
 864
 865         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 866
 867         if (priv->folder) {
 868                 g_object_unref (priv->folder);
 869                 priv->folder = NULL;
 870         }
 871
 872         if (folder) {
 873                 ModestMailOperation *mail_op;
 874
 875                 modest_header_view_set_folder_intern (self, folder);
 876
 877                 /* Pick my reference. Nothing to do with the mail operation */
 878                 priv->folder = g_object_ref (folder);
 879
 880                 /* no message selected */
 881                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 882
 883                 /* Create the mail operation */
 884                 mail_op = modest_mail_operation_new ();
 885                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 886                                                  mail_op);
 887
 888                 /* Register a mail operation observer */
 889                 g_signal_connect (mail_op, "progress-changed",
 890                                   G_CALLBACK (on_progress_changed), self);
 891
 892                 /* Refresh the folder asynchronously */
 893                 modest_mail_operation_refresh_folder (mail_op, folder);
 894
 895                 /* Free */
 896                 g_object_unref (mail_op);
 897
 898         } else {
 899                 g_mutex_lock (priv->monitor_lock);
 900                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 901
 902                 if (priv->monitor) {
 903                         tny_folder_monitor_stop (priv->monitor);
 904                         g_object_unref (G_OBJECT (priv->monitor));
 905                         priv->monitor = NULL;
 906                 }
 907                 g_mutex_unlock (priv->monitor_lock);
 908         }
 909 }
 910
 911 static gboolean
 912 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 913 {
 914         ModestHeaderView *self = NULL;
 915         ModestHeaderViewPrivate *priv = NULL;
 916         GtkTreePath *path = NULL;
 917         GtkTreeIter iter;
 918         GtkTreeModel *model = NULL;
 919         TnyHeader *header;
 920         /* ignore everything but doubleclick */
 921         if (event->type != GDK_2BUTTON_PRESS)
 922                 return FALSE;
 923
 924         self = MODEST_HEADER_VIEW (widget);
 925         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 926
 927         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 928         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 929                 return FALSE;
 930
 931         /* get the first selected item */
 932         gtk_tree_model_get (model, &iter,
 933                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 934                             &header, -1);
 935         /* Emit signal */
 936         g_signal_emit (G_OBJECT(self),
 937                        signals[HEADER_ACTIVATED_SIGNAL],
 938                        0, header);
 939
 940         /* Free */
 941         g_object_unref (G_OBJECT (header));
 942         gtk_tree_path_free(path);
 943
 944         return TRUE;
 945 }
 946
 947
 948 static void
 949 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 950 {
 951         GtkTreeModel *model;
 952         TnyHeader *header;
 953         GtkTreePath *path = NULL;
 954         GtkTreeIter iter;
 955         ModestHeaderView *self;
 956         ModestHeaderViewPrivate *priv;
 957
 958         g_return_if_fail (sel);
 959         g_return_if_fail (user_data);
 960
 961         self = MODEST_HEADER_VIEW (user_data);
 962         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 963
 964         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 965         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 966                 return; /* msg was _un_selected */
 967
 968         gtk_tree_model_get (model, &iter,
 969                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 970                             &header, -1);
 971
 972         /* Emit signal */
 973         g_signal_emit (G_OBJECT(self),
 974                        signals[HEADER_SELECTED_SIGNAL],
 975                        0, header);
 976
 977         g_object_unref (G_OBJECT (header));
 978         gtk_tree_path_free(path);
 979 }
 980
 981
 982 /* PROTECTED method. It's useful when we want to force a given
 983    selection to reload a msg. For example if we have selected a header
 984    in offline mode, when Modest become online, we want to reload the
 985    message automatically without an user click over the header */
 986 void
 987 _modest_header_view_change_selection (GtkTreeSelection *selection,
 988                                       gpointer user_data)
 989 {
 990         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 991         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 992
 993         on_selection_changed (selection, user_data);
 994 }
 995
 996
 997 static gint
 998 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 999           gpointer user_data)
1000 {
1001         gint col_id;
1002         gint t1, t2;
1003         gint val1, val2;
1004         gchar *s1, *s2;
1005         gint cmp;
1006         static int counter = 0;
1007
1008         g_return_val_if_fail (G_IS_OBJECT(user_data), 0);
1009         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
1010
1011         if (!(++counter % 100)) {
1012                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
1013                                                          MODEST_HEADER_VIEW_PTR);
1014                 g_signal_emit (header_view,
1015                                signals[STATUS_UPDATE_SIGNAL],
1016                                0, _("Sorting..."), 0, 0);
1017         }
1018         switch (col_id) {
1019
1020                 /* first one, we decide based on the time */
1021         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
1022         case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
1023         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
1024
1025                 gtk_tree_model_get (tree_model, iter1,
1026                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1027                                     &t1,-1);
1028                 gtk_tree_model_get (tree_model, iter2,
1029                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1030                                     &t2,-1);
1031                 return t1 - t2;
1032
1033         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
1034         case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
1035         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
1036                 gtk_tree_model_get (tree_model, iter1,
1037                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1038                                     &t1,-1);
1039                 gtk_tree_model_get (tree_model, iter2,
1040                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1041                                     &t2,-1);
1042                 return t1 - t2;
1043
1044
1045                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
1046                 /* FIXME: what about received-date? */
1047         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
1048
1049                 gtk_tree_model_get (tree_model, iter1,
1050                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
1051                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1052                                     -1);
1053                 gtk_tree_model_get (tree_model, iter2,
1054                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
1055                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1056                                     -1);
1057
1058                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
1059                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
1060                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
1061                                                      TRUE);
1062                 g_free (s1);
1063                 g_free (s2);
1064
1065                 return cmp ? cmp : t1 - t2;
1066         }
1067
1068         case MODEST_HEADER_VIEW_COLUMN_FROM:
1069
1070                 gtk_tree_model_get (tree_model, iter1,
1071                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
1072                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1073                                     -1);
1074                 gtk_tree_model_get (tree_model, iter2,
1075                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
1076                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1077                                     -1);
1078                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1079                 g_free (s1);
1080                 g_free (s2);
1081
1082                 return cmp ? cmp : t1 - t2;
1083
1084         case MODEST_HEADER_VIEW_COLUMN_TO:
1085
1086                 gtk_tree_model_get (tree_model, iter1,
1087                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1088                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1089                                     -1);
1090                 gtk_tree_model_get (tree_model, iter2,
1091                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1092                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1093                                     -1);
1094                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1095                 g_free (s1);
1096                 g_free (s2);
1097
1098                 return cmp ? cmp : t1 - t2;
1099
1100         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1101
1102                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1103                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1104                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1105                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1106
1107                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1108                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1109
1110                 return cmp ? cmp : t1 - t2;
1111
1112         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1113                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1114                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1115                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1116                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1117                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1118
1119                 return cmp ? cmp : t1 - t2;
1120
1121         default:
1122                 return &iter1 - &iter2; /* oughhhh  */
1123         }
1124 }
1125
1126 /* Drag and drop stuff */
1127 static void
1128 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1129                   GtkSelectionData *selection_data,
1130                   guint info,  guint time, gpointer data)
1131 {
1132         GtkTreeModel *model;
1133         GtkTreeIter iter;
1134         GtkTreePath *source_row;
1135
1136         source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
1137         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1138
1139         switch (info) {
1140         case MODEST_HEADER_ROW:
1141                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1142                 break;
1143         case MODEST_MSG: {
1144                 TnyHeader *hdr;
1145                 gtk_tree_model_get (model, &iter,
1146                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1147                                     -1);
1148                 if (hdr) {
1149                         g_object_unref (G_OBJECT(hdr));
1150                 }
1151                 break;
1152         }
1153         default:
1154                 g_message ("default");
1155         }
1156
1157         gtk_tree_path_free (source_row);
1158 }
1159
1160 /* Header view drag types */
1161 const GtkTargetEntry header_view_drag_types[] = {
1162         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1163         { "text/uri-list",      0,                   MODEST_MSG },
1164
1165 };
1166
1167 static void
1168 setup_drag_and_drop (GtkTreeView *self)
1169 {
1170         gtk_drag_source_set (GTK_WIDGET (self),
1171                              GDK_BUTTON1_MASK,
1172                              header_view_drag_types,
1173                              G_N_ELEMENTS (header_view_drag_types),
1174                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1175
1176         g_signal_connect(G_OBJECT (self), "drag_data_get",
1177                          G_CALLBACK(drag_data_get_cb), NULL);
1178 }
1179
1180 static GtkTreePath *
1181 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1182 {
1183         GtkTreePath *path = NULL;
1184         GtkTreeSelection *sel = NULL;
1185         GList *rows = NULL;
1186
1187         sel   = gtk_tree_view_get_selection(self);
1188         rows = gtk_tree_selection_get_selected_rows (sel, model);
1189
1190         if ((rows == NULL) || (g_list_length(rows) != 1))
1191                 goto frees;
1192
1193         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1194
1195
1196         /* Free */
1197  frees:
1198         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1199         g_list_free(rows);
1200
1201         return path;
1202 }
1203
1204 /*
1205  * This function moves the tree view scroll to the current selected
1206  * row when the widget grabs the focus
1207  */
1208 static gboolean
1209 on_focus_in (GtkWidget     *self,
1210              GdkEventFocus *event,
1211              gpointer       user_data)
1212 {
1213         GtkTreeSelection *selection;
1214         GtkTreeModel *model;
1215         GList *selected = NULL;
1216         GtkTreePath *selected_path = NULL;
1217
1218         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1219         if (!model)
1220                 return FALSE;
1221
1222         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1223         /* If none selected yet, pick the first one */
1224         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1225                 GtkTreeIter iter;
1226                 GtkTreePath *path;
1227
1228                 /* Return if the model is empty */
1229                 if (!gtk_tree_model_get_iter_first (model, &iter))
1230                         return FALSE;
1231
1232                 path = gtk_tree_model_get_path (model, &iter);
1233                 gtk_tree_selection_select_path (selection, path);
1234                 gtk_tree_path_free (path);
1235         }
1236
1237         /* Need to get the all the rows because is selection multiple */
1238         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1239         selected_path = (GtkTreePath *) selected->data;
1240
1241         /* Check if we need to scroll */
1242         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1243         GtkTreePath *start_path = NULL;
1244         GtkTreePath *end_path = NULL;
1245         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1246                                              &start_path,
1247                                              &end_path)) {
1248
1249                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1250                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1251
1252                         /* Scroll to first path */
1253                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1254                                                       selected_path,
1255                                                       NULL,
1256                                                       TRUE,
1257                                                       0.5,
1258                                                       0.0);
1259                 }
1260         }
1261         #endif /* GTK_CHECK_VERSION */
1262
1263         /* Frees */
1264         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1265         g_list_free (selected);
1266
1267         return FALSE;
1268 }