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