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