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         } else
 699                 gtk_tree_view_set_model (header_view, model);
 700
 701         return;
 702 }
 703
 704 static void
 705 on_progress_changed (ModestMailOperation *mail_op,
 706                      ModestHeaderView *self)
 707 {
 708         TnyFolderType type;
 709         GtkTreeModel *sortable;
 710         ModestHeaderViewPrivate *priv;
 711         GList *cols, *cursor;
 712         TnyList *headers;
 713         guint sort_colid;
 714
 715         if (!modest_mail_operation_is_finished (mail_op))
 716                 return;
 717
 718         if (modest_mail_operation_get_error (mail_op))
 719                 return;
 720
 721         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 722
 723         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 724
 725         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 726                                               priv->folder, TRUE);
 727
 728         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 729         g_object_unref (G_OBJECT (headers));
 730
 731         /* install our special sorting functions */
 732         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 733         while (cursor) {
 734                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 735                                                                  MODEST_HEADER_VIEW_COLUMN));
 736                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 737                                                  col_id,
 738                                                  (GtkTreeIterCompareFunc) cmp_rows,
 739                                                  cursor->data, NULL);
 740                 cursor = g_list_next(cursor);
 741         }
 742         g_list_free (cols);
 743
 744         /* Restore sort column id */
 745         type  = modest_tny_folder_guess_folder_type (priv->folder);
 746         sort_colid = modest_header_view_get_sort_column_id (self, type);
 747         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 748                                               sort_colid,
 749                                               GTK_SORT_DESCENDING);
 750
 751         /* Set new model */
 752         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 753         g_object_unref (G_OBJECT (sortable));
 754
 755         /* Add a folder observer */
 756         g_mutex_lock (priv->monitor_lock);
 757         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (priv->folder));
 758         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 759         tny_folder_monitor_start (priv->monitor);
 760         g_mutex_unlock (priv->monitor_lock);
 761
 762 }
 763
 764 TnyFolder*
 765 modest_header_view_get_folder (ModestHeaderView *self)
 766 {
 767         ModestHeaderViewPrivate *priv;
 768         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 769
 770         if (priv->folder)
 771                 g_object_ref (priv->folder);
 772
 773         return priv->folder;
 774 }
 775
 776 static void
 777 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 778 {
 779         TnyFolderType type;
 780         TnyList *headers;
 781         ModestHeaderViewPrivate *priv;
 782         GList *cols, *cursor;
 783         GtkTreeModel *sortable;
 784         guint sort_colid;
 785
 786         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 787
 788         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 789
 790         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 791                                               folder, FALSE);
 792
 793         /* Add a folder observer */
 794         g_mutex_lock (priv->monitor_lock);
 795         if (priv->monitor) {
 796                 tny_folder_monitor_stop (priv->monitor);
 797                 g_object_unref (G_OBJECT (priv->monitor));
 798         }
 799         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 800         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 801         tny_folder_monitor_start (priv->monitor);
 802         g_mutex_unlock (priv->monitor_lock);
 803
 804
 805         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 806         g_object_unref (G_OBJECT (headers));
 807
 808         /* install our special sorting functions */
 809         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 810         while (cursor) {
 811                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 812                                                                  MODEST_HEADER_VIEW_COLUMN));
 813                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 814                                                  col_id,
 815                                                  (GtkTreeIterCompareFunc) cmp_rows,
 816                                                  cursor->data, NULL);
 817                 cursor = g_list_next(cursor);
 818         }
 819         g_list_free (cols);
 820
 821         /* Restore sort column id */
 822         type  = modest_tny_folder_guess_folder_type (folder);
 823         sort_colid = modest_header_view_get_sort_column_id (self, type);
 824         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 825                                               sort_colid,
 826                                               GTK_SORT_DESCENDING);
 827
 828         /* Set new model */
 829         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 830         g_object_unref (G_OBJECT (sortable));
 831 }
 832
 833 void
 834 modest_header_view_set_sort_column_id (ModestHeaderView *self, guint sort_colid, TnyFolderType type)
 835 {
 836         ModestHeaderViewPrivate *priv;
 837         ModestHeaderViewStyle style;
 838
 839         style = modest_header_view_get_style   (self);
 840         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 841
 842         priv->sort_colid[style][type] = sort_colid;
 843 }
 844
 845 gint
 846 modest_header_view_get_sort_column_id (ModestHeaderView *self, TnyFolderType type)
 847 {
 848         ModestHeaderViewPrivate *priv;
 849         ModestHeaderViewStyle style;
 850
 851         style = modest_header_view_get_style   (self);
 852         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 853
 854         return priv->sort_colid[style][type];
 855 }
 856
 857 void
 858 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 859 {
 860         ModestHeaderViewPrivate *priv;
 861
 862         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 863
 864         if (priv->folder) {
 865                 g_object_unref (priv->folder);
 866                 priv->folder = NULL;
 867         }
 868
 869         if (folder) {
 870                 ModestMailOperation *mail_op;
 871
 872                 modest_header_view_set_folder_intern (self, folder);
 873
 874                 /* Pick my reference. Nothing to do with the mail operation */
 875                 priv->folder = g_object_ref (folder);
 876
 877                 /* no message selected */
 878                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 879
 880                 /* Create the mail operation */
 881                 mail_op = modest_mail_operation_new ();
 882                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 883                                                  mail_op);
 884
 885                 /* Register a mail operation observer */
 886                 g_signal_connect (mail_op, "progress-changed",
 887                                   G_CALLBACK (on_progress_changed), self);
 888
 889                 /* Refresh the folder asynchronously */
 890                 modest_mail_operation_refresh_folder (mail_op, folder);
 891
 892                 /* Free */
 893                 g_object_unref (mail_op);
 894
 895         } else {
 896                 g_mutex_lock (priv->monitor_lock);
 897                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 898
 899                 if (priv->monitor) {
 900                         tny_folder_monitor_stop (priv->monitor);
 901                         g_object_unref (G_OBJECT (priv->monitor));
 902                         priv->monitor = NULL;
 903                 }
 904                 g_mutex_unlock (priv->monitor_lock);
 905         }
 906 }
 907
 908 static gboolean
 909 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 910 {
 911         ModestHeaderView *self = NULL;
 912         ModestHeaderViewPrivate *priv = NULL;
 913         GtkTreePath *path = NULL;
 914         GtkTreeIter iter;
 915         GtkTreeModel *model = NULL;
 916         TnyHeader *header;
 917         /* ignore everything but doubleclick */
 918         if (event->type != GDK_2BUTTON_PRESS)
 919                 return FALSE;
 920
 921         self = MODEST_HEADER_VIEW (widget);
 922         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 923
 924         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 925         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 926                 return FALSE;
 927
 928         /* get the first selected item */
 929         gtk_tree_model_get (model, &iter,
 930                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 931                             &header, -1);
 932         /* Emit signal */
 933         g_signal_emit (G_OBJECT(self),
 934                        signals[HEADER_ACTIVATED_SIGNAL],
 935                        0, header);
 936
 937         /* Free */
 938         g_object_unref (G_OBJECT (header));
 939         gtk_tree_path_free(path);
 940
 941         return TRUE;
 942 }
 943
 944
 945 static void
 946 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 947 {
 948         GtkTreeModel *model;
 949         TnyHeader *header;
 950         GtkTreePath *path = NULL;
 951         GtkTreeIter iter;
 952         ModestHeaderView *self;
 953         ModestHeaderViewPrivate *priv;
 954
 955         g_return_if_fail (sel);
 956         g_return_if_fail (user_data);
 957
 958         self = MODEST_HEADER_VIEW (user_data);
 959         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 960
 961         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 962         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 963                 return; /* msg was _un_selected */
 964
 965         gtk_tree_model_get (model, &iter,
 966                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 967                             &header, -1);
 968
 969         /* Emit signal */
 970         g_signal_emit (G_OBJECT(self),
 971                        signals[HEADER_SELECTED_SIGNAL],
 972                        0, header);
 973
 974         g_object_unref (G_OBJECT (header));
 975         gtk_tree_path_free(path);
 976 }
 977
 978
 979 /* PROTECTED method. It's useful when we want to force a given
 980    selection to reload a msg. For example if we have selected a header
 981    in offline mode, when Modest become online, we want to reload the
 982    message automatically without an user click over the header */
 983 void
 984 _modest_header_view_change_selection (GtkTreeSelection *selection,
 985                                       gpointer user_data)
 986 {
 987         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 988         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 989
 990         on_selection_changed (selection, user_data);
 991 }
 992
 993
 994 static gint
 995 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 996           gpointer user_data)
 997 {
 998         gint col_id;
 999         gint t1, t2;
1000         gint val1, val2;
1001         gchar *s1, *s2;
1002         gint cmp;
1003         static int counter = 0;
1004
1005         g_return_val_if_fail (G_IS_OBJECT(user_data), 0);
1006         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
1007
1008         if (!(++counter % 100)) {
1009                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
1010                                                          MODEST_HEADER_VIEW_PTR);
1011                 g_signal_emit (header_view,
1012                                signals[STATUS_UPDATE_SIGNAL],
1013                                0, _("Sorting..."), 0, 0);
1014         }
1015         switch (col_id) {
1016
1017                 /* first one, we decide based on the time */
1018         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
1019         case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
1020         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
1021
1022                 gtk_tree_model_get (tree_model, iter1,
1023                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1024                                     &t1,-1);
1025                 gtk_tree_model_get (tree_model, iter2,
1026                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1027                                     &t2,-1);
1028                 return t1 - t2;
1029
1030         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
1031         case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
1032         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
1033                 gtk_tree_model_get (tree_model, iter1,
1034                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1035                                     &t1,-1);
1036                 gtk_tree_model_get (tree_model, iter2,
1037                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1038                                     &t2,-1);
1039                 return t1 - t2;
1040
1041
1042                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
1043                 /* FIXME: what about received-date? */
1044         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
1045
1046                 gtk_tree_model_get (tree_model, iter1,
1047                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
1048                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1049                                     -1);
1050                 gtk_tree_model_get (tree_model, iter2,
1051                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
1052                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1053                                     -1);
1054
1055                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
1056                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
1057                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
1058                                                      TRUE);
1059                 g_free (s1);
1060                 g_free (s2);
1061
1062                 return cmp ? cmp : t1 - t2;
1063         }
1064
1065         case MODEST_HEADER_VIEW_COLUMN_FROM:
1066
1067                 gtk_tree_model_get (tree_model, iter1,
1068                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
1069                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1070                                     -1);
1071                 gtk_tree_model_get (tree_model, iter2,
1072                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
1073                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1074                                     -1);
1075                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1076                 g_free (s1);
1077                 g_free (s2);
1078
1079                 return cmp ? cmp : t1 - t2;
1080
1081         case MODEST_HEADER_VIEW_COLUMN_TO:
1082
1083                 gtk_tree_model_get (tree_model, iter1,
1084                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1085                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1086                                     -1);
1087                 gtk_tree_model_get (tree_model, iter2,
1088                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1089                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1090                                     -1);
1091                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1092                 g_free (s1);
1093                 g_free (s2);
1094
1095                 return cmp ? cmp : t1 - t2;
1096
1097         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1098
1099                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1100                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1101                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1102                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1103
1104                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1105                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1106
1107                 return cmp ? cmp : t1 - t2;
1108
1109         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1110                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1111                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1112                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1113                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1114                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1115
1116                 return cmp ? cmp : t1 - t2;
1117
1118         default:
1119                 return &iter1 - &iter2; /* oughhhh  */
1120         }
1121 }
1122
1123 /* Drag and drop stuff */
1124 static void
1125 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1126                   GtkSelectionData *selection_data,
1127                   guint info,  guint time, gpointer data)
1128 {
1129         GtkTreeModel *model;
1130         GtkTreeIter iter;
1131         GtkTreePath *source_row;
1132
1133         source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
1134         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1135
1136         switch (info) {
1137         case MODEST_HEADER_ROW:
1138                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1139                 break;
1140         case MODEST_MSG: {
1141                 TnyHeader *hdr;
1142                 gtk_tree_model_get (model, &iter,
1143                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1144                                     -1);
1145                 if (hdr) {
1146                         g_object_unref (G_OBJECT(hdr));
1147                 }
1148                 break;
1149         }
1150         default:
1151                 g_message ("default");
1152         }
1153
1154         gtk_tree_path_free (source_row);
1155 }
1156
1157 /* Header view drag types */
1158 const GtkTargetEntry header_view_drag_types[] = {
1159         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1160         { "text/uri-list",      0,                   MODEST_MSG },
1161
1162 };
1163
1164 static void
1165 setup_drag_and_drop (GtkTreeView *self)
1166 {
1167         gtk_drag_source_set (GTK_WIDGET (self),
1168                              GDK_BUTTON1_MASK,
1169                              header_view_drag_types,
1170                              G_N_ELEMENTS (header_view_drag_types),
1171                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1172
1173         g_signal_connect(G_OBJECT (self), "drag_data_get",
1174                          G_CALLBACK(drag_data_get_cb), NULL);
1175 }
1176
1177 static GtkTreePath *
1178 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1179 {
1180         GtkTreePath *path = NULL;
1181         GtkTreeSelection *sel = NULL;
1182         GList *rows = NULL;
1183
1184         sel   = gtk_tree_view_get_selection(self);
1185         rows = gtk_tree_selection_get_selected_rows (sel, model);
1186
1187         if ((rows == NULL) || (g_list_length(rows) != 1))
1188                 goto frees;
1189
1190         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1191
1192
1193         /* Free */
1194  frees:
1195         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1196         g_list_free(rows);
1197
1198         return path;
1199 }
1200
1201 /*
1202  * This function moves the tree view scroll to the current selected
1203  * row when the widget grabs the focus
1204  */
1205 static gboolean
1206 on_focus_in (GtkWidget     *self,
1207              GdkEventFocus *event,
1208              gpointer       user_data)
1209 {
1210         GtkTreeSelection *selection;
1211         GtkTreeModel *model;
1212         GList *selected = NULL;
1213         GtkTreePath *selected_path = NULL;
1214
1215         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1216         if (!model)
1217                 return FALSE;
1218
1219         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1220         /* If none selected yet, pick the first one */
1221         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1222                 GtkTreeIter iter;
1223                 GtkTreePath *path;
1224
1225                 /* Return if the model is empty */
1226                 if (!gtk_tree_model_get_iter_first (model, &iter))
1227                         return FALSE;
1228
1229                 path = gtk_tree_model_get_path (model, &iter);
1230                 gtk_tree_selection_select_path (selection, path);
1231                 gtk_tree_path_free (path);
1232         }
1233
1234         /* Need to get the all the rows because is selection multiple */
1235         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1236         selected_path = (GtkTreePath *) selected->data;
1237
1238         /* Check if we need to scroll */
1239         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1240         GtkTreePath *start_path = NULL;
1241         GtkTreePath *end_path = NULL;
1242         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1243                                              &start_path,
1244                                              &end_path)) {
1245
1246                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1247                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1248
1249                         /* Scroll to first path */
1250                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1251                                                       selected_path,
1252                                                       NULL,
1253                                                       TRUE,
1254                                                       0.5,
1255                                                       0.0);
1256                 }
1257         }
1258         #endif /* GTK_CHECK_VERSION */
1259
1260         /* Frees */
1261         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1262         g_list_free (selected);
1263
1264         return FALSE;
1265 }