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 <string.h>
  34
  35 #include <modest-header-view.h>
  36 #include <modest-header-view-priv.h>
  37
  38 #include <modest-marshal.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-icon-factory.h>
  42
  43 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  44 static void modest_header_view_init        (ModestHeaderView *obj);
  45 static void modest_header_view_finalize    (GObject *obj);
  46
  47 static void on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  48
  49 static gint cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
  50                       gpointer user_data);
  51
  52 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  53
  54 enum {
  55         HEADER_SELECTED_SIGNAL,
  56         ITEM_NOT_FOUND_SIGNAL,
  57         STATUS_UPDATE_SIGNAL,
  58         LAST_SIGNAL
  59 };
  60
  61
  62 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  63 struct _ModestHeaderViewPrivate {
  64         TnyFolder            *folder;
  65         TnyList              *headers;
  66         GMutex               *lock;
  67         ModestHeaderViewStyle style;
  68         gulong                sig1;
  69 };
  70
  71 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  72                                                 MODEST_TYPE_HEADER_VIEW, \
  73                                                 ModestHeaderViewPrivate))
  74
  75 /* globals */
  76 static GObjectClass *parent_class = NULL;
  77
  78 /* uncomment the following if you have defined any signals */
  79 static guint signals[LAST_SIGNAL] = {0};
  80
  81 GType
  82 modest_header_view_get_type (void)
  83 {
  84         static GType my_type = 0;
  85         if (!my_type) {
  86                 static const GTypeInfo my_info = {
  87                         sizeof(ModestHeaderViewClass),
  88                         NULL,           /* base init */
  89                         NULL,           /* base finalize */
  90                         (GClassInitFunc) modest_header_view_class_init,
  91                         NULL,           /* class finalize */
  92                         NULL,           /* class data */
  93                         sizeof(ModestHeaderView),
  94                         1,              /* n_preallocs */
  95                         (GInstanceInitFunc) modest_header_view_init,
  96                         NULL
  97                 };
  98                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  99                                                   "ModestHeaderView",
 100                                                   &my_info, 0);
 101         }
 102         return my_type;
 103 }
 104
 105 static void
 106 modest_header_view_class_init (ModestHeaderViewClass *klass)
 107 {
 108         GObjectClass *gobject_class;
 109         gobject_class = (GObjectClass*) klass;
 110
 111         parent_class            = g_type_class_peek_parent (klass);
 112         gobject_class->finalize = modest_header_view_finalize;
 113
 114         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 115
 116         signals[HEADER_SELECTED_SIGNAL] =
 117                 g_signal_new ("header_selected",
 118                               G_TYPE_FROM_CLASS (gobject_class),
 119                               G_SIGNAL_RUN_FIRST,
 120                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 121                               NULL, NULL,
 122                               g_cclosure_marshal_VOID__POINTER,
 123                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 124
 125         signals[ITEM_NOT_FOUND_SIGNAL] =
 126                 g_signal_new ("item_not_found",
 127                               G_TYPE_FROM_CLASS (gobject_class),
 128                               G_SIGNAL_RUN_FIRST,
 129                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 130                               NULL, NULL,
 131                               g_cclosure_marshal_VOID__INT,
 132                               G_TYPE_NONE, 1, G_TYPE_INT);
 133
 134         signals[STATUS_UPDATE_SIGNAL] =
 135                 g_signal_new ("status_update",
 136                               G_TYPE_FROM_CLASS (gobject_class),
 137                               G_SIGNAL_RUN_FIRST,
 138                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 139                               NULL, NULL,
 140                               modest_marshal_VOID__STRING_INT_INT,
 141                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 142 }
 143
 144 static GtkTreeViewColumn*
 145 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 146                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 147                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 148 {
 149         GtkTreeViewColumn *column;
 150
 151         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 152         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 153
 154         gtk_tree_view_column_set_resizable (column, resizable);
 155         if (resizable)
 156                 gtk_tree_view_column_set_expand (column, TRUE);
 157
 158         if (show_as_text)
 159                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 160                                                     sort_col_id);
 161         if (sort_col_id >= 0)
 162                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 163
 164         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 165         gtk_tree_view_column_set_reorderable (column, TRUE);
 166
 167         if (cell_data_func)
 168                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 169                                                         user_data, NULL);
 170         return column;
 171 }
 172
 173
 174
 175
 176 static void
 177 remove_all_columns (ModestHeaderView *obj)
 178 {
 179         GList *columns, *cursor;
 180
 181         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 182
 183         for (cursor = columns; cursor; cursor = cursor->next)
 184                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 185                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 186         g_list_free (columns);
 187 }
 188
 189
 190
 191 static gboolean
 192 set_empty (ModestHeaderView *self)
 193 {
 194         GList *columns = NULL;
 195         ModestHeaderViewPrivate *priv;
 196         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 197
 198         columns = g_list_append (columns,GINT_TO_POINTER(0));
 199         modest_header_view_set_columns (self, columns);
 200         g_list_free (columns);
 201
 202         return TRUE;
 203 }
 204
 205
 206
 207 gboolean
 208 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 209 {
 210         GtkTreeViewColumn *column=NULL;
 211         GtkCellRenderer *renderer_msgtype,*renderer_header,
 212                 *renderer_attach;
 213         ModestHeaderViewPrivate *priv;
 214         const GList *cursor;
 215
 216         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 217
 218         /* FIXME: check whether these renderers need to be freed */
 219         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 220         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 221         renderer_header  = gtk_cell_renderer_text_new ();
 222
 223         remove_all_columns (self);
 224
 225         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 226                 ModestHeaderViewColumn col =
 227                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 228
 229                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 230                         g_printerr ("modest: invalid column %d in column list\n", col);
 231                         continue;
 232                 }
 233
 234                 switch (col) {
 235
 236                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 237                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 238                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 239                                                  FALSE,
 240                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 241                                                  NULL);
 242                         gtk_tree_view_column_set_fixed_width (column, 32);
 243                         break;
 244
 245                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 246                         column = get_new_column (_("A"), renderer_attach, FALSE,
 247                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 248                                                  FALSE,
 249                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 250                                                  NULL);
 251                         gtk_tree_view_column_set_fixed_width (column, 32);
 252                         break;
 253
 254
 255                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 256                         column = get_new_column (_("From"), renderer_header, TRUE,
 257                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 258                                                  TRUE,
 259                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 260                                                  GINT_TO_POINTER(TRUE));
 261                         break;
 262
 263                 case MODEST_HEADER_VIEW_COLUMN_TO:
 264                         column = get_new_column (_("To"), renderer_header, TRUE,
 265                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 266                                                  TRUE,
 267                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 268                                                  GINT_TO_POINTER(FALSE));
 269                         break;
 270
 271                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 272                         column = get_new_column (_("Header"), renderer_header, TRUE,
 273                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 274                                                  TRUE,
 275                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 276                                                  GINT_TO_POINTER(TRUE));
 277                         break;
 278
 279                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 280                         column = get_new_column (_("Header"), renderer_header, TRUE,
 281                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 282                                                  TRUE,
 283                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 284                                                  GINT_TO_POINTER(FALSE));
 285                         break;
 286
 287
 288                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 289                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 290                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 291                                                  TRUE,
 292                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 293                                                  NULL);
 294                         break;
 295
 296                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 297                         column = get_new_column (_("Received"), renderer_header, TRUE,
 298                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 299                                                  TRUE,
 300                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 301                                                  NULL);
 302                         break;
 303
 304                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 305                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 306                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 307                                                  TRUE,
 308                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 309                                                  NULL);
 310                         break;
 311
 312                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 313                         column = get_new_column (_("Size"), renderer_header, TRUE,
 314                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 315                                                  FALSE,
 316                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 317                                                  NULL);
 318                         break;
 319
 320                 default:
 321                         g_return_val_if_reached(FALSE);
 322                 }
 323
 324                 /* we keep the column id around */
 325                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 326                                    GINT_TO_POINTER(col));
 327
 328                 /* we need this ptr when sorting the rows */
 329                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 330                                    self);
 331                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 332         }
 333         return TRUE;
 334 }
 335
 336 static void
 337 modest_header_view_init (ModestHeaderView *obj)
 338 {
 339         ModestHeaderViewPrivate *priv;
 340         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 341
 342         priv->lock = g_mutex_new ();
 343         priv->sig1 = 0;
 344 }
 345
 346 static void
 347 modest_header_view_finalize (GObject *obj)
 348 {
 349         ModestHeaderView        *self;
 350         ModestHeaderViewPrivate *priv;
 351         GtkTreeSelection        *sel;
 352
 353         self = MODEST_HEADER_VIEW(obj);
 354         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 355
 356         if (priv->headers)
 357                 g_object_unref (G_OBJECT(priv->headers));
 358
 359         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 360
 361         if (sel && priv->sig1 != 0) {
 362                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 363                 priv->sig1 = 0;
 364         }
 365
 366         if (priv->lock) {
 367                 g_mutex_free (priv->lock);
 368                 priv->lock = NULL;
 369         }
 370
 371         priv->headers  = NULL;
 372         priv->folder   = NULL;
 373
 374         G_OBJECT_CLASS(parent_class)->finalize (obj);
 375 }
 376
 377
 378 GtkWidget*
 379 modest_header_view_new (TnyFolder *folder, const GList *columns,
 380                         ModestHeaderViewStyle style)
 381 {
 382         GObject *obj;
 383         GtkTreeSelection *sel;
 384         ModestHeaderView *self;
 385         ModestHeaderViewPrivate *priv;
 386
 387         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 388         self = MODEST_HEADER_VIEW(obj);
 389         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 390
 391         modest_header_view_set_style   (self, style);
 392         modest_header_view_set_columns (self, columns);
 393
 394         if (!modest_header_view_set_folder (self, NULL)) {
 395                 g_warning ("could not set the folder");
 396                 g_object_unref (obj);
 397                 return NULL;
 398         }
 399
 400         /* all cols */
 401         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 402         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 403
 404         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 405                                       TRUE); /* alternating row colors */
 406
 407         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 408
 409         priv->sig1 = g_signal_connect (sel, "changed",
 410                                        G_CALLBACK(on_selection_changed), self);
 411
 412         return GTK_WIDGET(self);
 413 }
 414
 415
 416 TnyList *
 417 modest_header_view_get_selected_headers (ModestHeaderView *self)
 418 {
 419         GtkTreeSelection *sel;
 420         ModestHeaderViewPrivate *priv;
 421         TnyList *header_list = NULL;
 422         TnyHeader *header;
 423         GList *list, *tmp = NULL;
 424         GtkTreeModel *tree_model = NULL;
 425         GtkTreeIter iter;
 426
 427         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 428
 429         /* Get selected rows */
 430         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 431         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 432
 433         if (list) {
 434                 header_list = tny_simple_list_new();
 435
 436                 list = g_list_reverse (list);
 437                 tmp = list;
 438                 while (tmp) {
 439                         /* get header from selection */
 440                         gtk_tree_model_get_iter (tree_model,
 441                                                  &iter,
 442                                                  (GtkTreePath *) (tmp->data));
 443
 444                         gtk_tree_model_get (tree_model, &iter,
 445                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 446                                             &header, -1);
 447
 448                         /* Prepend to list */
 449                         tny_list_prepend (header_list, G_OBJECT (header));
 450                         tmp = g_list_next (tmp);
 451                 }
 452                 /* Clean up*/
 453                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 454                 g_list_free (list);
 455         }
 456         return header_list;
 457 }
 458
 459 void
 460 modest_header_view_select_next (ModestHeaderView *self)
 461 {
 462         GtkTreeSelection *sel;
 463         GtkTreeIter iter;
 464         GtkTreeModel *model;
 465
 466         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 467         if (sel) {
 468                 gtk_tree_selection_get_selected (sel, &model, &iter);
 469                 gtk_tree_model_iter_next (model, &iter);
 470                 gtk_tree_selection_select_iter (sel, &iter);
 471         }
 472 }
 473 GList*
 474 modest_header_view_get_columns (ModestHeaderView *self)
 475 {
 476         g_return_val_if_fail (self, FALSE);
 477         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 478 }
 479
 480
 481 gboolean
 482 modest_header_view_set_style (ModestHeaderView *self,
 483                               ModestHeaderViewStyle style)
 484 {
 485         ModestHeaderViewPrivate *priv;
 486         gboolean show_col_headers = FALSE;
 487         ModestHeaderViewStyle old_style;
 488
 489         g_return_val_if_fail (self, FALSE);
 490         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 491                               FALSE);
 492
 493         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 494         if (priv->style == style)
 495                 return TRUE; /* nothing to do */
 496
 497         switch (style) {
 498         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 499                 show_col_headers = TRUE;
 500                 break;
 501         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 502                 break;
 503         case MODEST_HEADER_VIEW_STYLE_EMPTY:
 504                 set_empty (self);
 505                 break;
 506         default:
 507                 g_return_val_if_reached (FALSE);
 508         }
 509         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 510         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 511
 512         old_style   = priv->style;
 513         priv->style = style;
 514
 515         return TRUE;
 516 }
 517
 518
 519 ModestHeaderViewStyle
 520 modest_header_view_get_style (ModestHeaderView *self)
 521 {
 522         g_return_val_if_fail (self, FALSE);
 523         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 524 }
 525
 526
 527 static void
 528 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 529                    gpointer user_data)
 530 {
 531         GtkTreeModel *sortable;
 532         ModestHeaderView *self;
 533         ModestHeaderViewPrivate *priv;
 534         GError *error = NULL;
 535
 536         if (cancelled)
 537                 return;
 538
 539         self = MODEST_HEADER_VIEW(user_data);
 540         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 541
 542         priv->folder = folder;
 543
 544         if (!folder) {
 545                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 546                 set_empty (self);
 547         } else { /* it's a new one or a refresh */
 548                 GList *cols, *cursor;
 549
 550                 if (priv->headers)
 551                         g_object_unref (priv->headers);
 552
 553                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 554                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 555                 if (error) {
 556                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 557                                        0, MODEST_ITEM_TYPE_MESSAGE);
 558                         g_print (error->message);
 559                         g_error_free (error);
 560                         return;
 561                 }
 562
 563                 tny_gtk_header_list_model_set_folder
 564                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 565
 566                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 567
 568                 /* install our special sorting functions */
 569                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 570                 while (cursor) {
 571                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 572                                                                          MODEST_HEADER_VIEW_COLUMN));
 573                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 574                                                          col_id,
 575                                                          (GtkTreeIterCompareFunc)cmp_rows,
 576                                                          cursor->data, NULL);
 577                         cursor = g_list_next(cursor);
 578                 }
 579                 g_list_free (cols);
 580                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 581         }
 582 }
 583
 584
 585 static void
 586 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 587                                  gint num, gint total,  gpointer user_data)
 588 {
 589         ModestHeaderView *self;
 590         ModestHeaderViewPrivate *priv;
 591
 592         self = MODEST_HEADER_VIEW(user_data);
 593         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 594
 595         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 596                        0, msg, num, total);
 597 }
 598
 599
 600 TnyFolder*
 601 modest_header_view_get_folder (ModestHeaderView *self)
 602 {
 603         ModestHeaderViewPrivate *priv;
 604         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 605
 606         return priv->folder;
 607 }
 608
 609
 610 gboolean
 611 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 612 {
 613         ModestHeaderViewPrivate *priv;
 614         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 615
 616         priv->folder = folder;
 617
 618         if (folder)
 619                 tny_folder_refresh_async (folder,
 620                                           on_refresh_folder,
 621                                           on_refresh_folder_status_update,
 622                                           self);
 623         /* no message selected */
 624         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 625                        NULL);
 626         return TRUE;
 627 }
 628
 629 static void
 630 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 631 {
 632         GtkTreeModel *model;
 633         TnyHeader *header;
 634         GtkTreeIter iter;
 635         ModestHeaderView *self;
 636         ModestHeaderViewPrivate *priv;
 637
 638         g_return_if_fail (sel);
 639         g_return_if_fail (user_data);
 640
 641         self = MODEST_HEADER_VIEW (user_data);
 642         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 643
 644         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 645                 return; /* msg was _un_selected */
 646
 647         gtk_tree_model_get (model, &iter,
 648                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 649                             &header, -1);
 650
 651         /* Emit signal */
 652         g_signal_emit (G_OBJECT(self),
 653                        signals[HEADER_SELECTED_SIGNAL],
 654                        0, header);
 655 }
 656
 657
 658 /* PROTECTED method. It's useful when we want to force a given
 659    selection to reload a msg. For example if we have selected a header
 660    in offline mode, when Modest become online, we want to reload the
 661    message automatically without an user click over the header */
 662 void
 663 _modest_header_view_change_selection (GtkTreeSelection *selection,
 664                                       gpointer user_data)
 665 {
 666         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 667         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 668
 669         on_selection_changed (selection, user_data);
 670 }
 671
 672
 673 static gint
 674 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 675           gpointer user_data)
 676 {
 677         gint col_id;
 678         gint t1, t2;
 679         gint val1, val2;
 680         gchar *s1, *s2;
 681         gint cmp;
 682
 683         static int counter = 0;
 684         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 685
 686         if (!(++counter % 100)) {
 687                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 688                                                          MODEST_HEADER_VIEW_PTR);
 689                 g_signal_emit (header_view,
 690                                signals[STATUS_UPDATE_SIGNAL],
 691                                0, _("Sorting..."), 0, 0);
 692         }
 693         switch (col_id) {
 694
 695                 /* first one, we decide based on the time */
 696         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 697         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 698                 gtk_tree_model_get (tree_model, iter1,
 699                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 700                                     &t1,-1);
 701                 gtk_tree_model_get (tree_model, iter2,
 702                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 703                                     &t2,-1);
 704                 return t1 - t2;
 705
 706         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 707         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 708                 gtk_tree_model_get (tree_model, iter1,
 709                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 710                                     &t1,-1);
 711                 gtk_tree_model_get (tree_model, iter2,
 712                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 713                                     &t2,-1);
 714                 return t1 - t2;
 715
 716
 717                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 718         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 719
 720                 gtk_tree_model_get (tree_model, iter1,
 721                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 722                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 723                                     -1);
 724                 gtk_tree_model_get (tree_model, iter2,
 725                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 726                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 727                                     -1);
 728
 729                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 730                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 731                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 732                                                      TRUE);
 733
 734                 g_free (s1);
 735                 g_free (s2);
 736
 737                 return cmp ? cmp : t1 - t2;
 738         }
 739
 740         case MODEST_HEADER_VIEW_COLUMN_FROM:
 741
 742                 gtk_tree_model_get (tree_model, iter1,
 743                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 744                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 745                                     -1);
 746                 gtk_tree_model_get (tree_model, iter2,
 747                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 748                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 749                                     -1);
 750                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 751                 g_free (s1);
 752                 g_free (s2);
 753
 754                 return cmp ? cmp : t1 - t2;
 755
 756         case MODEST_HEADER_VIEW_COLUMN_TO:
 757
 758                 gtk_tree_model_get (tree_model, iter1,
 759                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 760                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 761                                     -1);
 762                 gtk_tree_model_get (tree_model, iter2,
 763                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 764                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 765                                     -1);
 766                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 767                 g_free (s1);
 768                 g_free (s2);
 769
 770                 return cmp ? cmp : t1 - t2;
 771
 772         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 773
 774                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 775                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 776                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 777                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 778
 779                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 780                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 781
 782                 return cmp ? cmp : t1 - t2;
 783
 784         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 785                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 786                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 787                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 788                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 789                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 790
 791                 return cmp ? cmp : t1 - t2;
 792
 793         default:
 794                 return &iter1 - &iter2; /* oughhhh  */
 795         }
 796 }
 797