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         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 394
 395         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 396                                       TRUE); /* alternating row colors */
 397         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 398
 399         g_signal_connect (sel, "changed",
 400                           G_CALLBACK(on_selection_changed), self);
 401
 402         return GTK_WIDGET(self);
 403 }
 404
 405
 406 TnyList *
 407 modest_header_view_get_selected_headers (ModestHeaderView *self)
 408 {
 409         GtkTreeSelection *sel;
 410         ModestHeaderViewPrivate *priv;
 411         TnyList *header_list = NULL;
 412         TnyHeader *header;
 413         GList *list, *tmp = NULL;
 414         GtkTreeModel *tree_model = NULL;
 415         GtkTreeIter iter;
 416
 417         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 418
 419         /* Get selected rows */
 420         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 421         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 422
 423         if (list) {
 424                 header_list = tny_simple_list_new();
 425
 426                 list = g_list_reverse (list);
 427                 tmp = list;
 428                 while (tmp) {
 429                         /* get header from selection */
 430                         gtk_tree_model_get_iter (tree_model,
 431                                                  &iter,
 432                                                  (GtkTreePath *) (tmp->data));
 433
 434                         gtk_tree_model_get (tree_model, &iter,
 435                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 436                                             &header, -1);
 437
 438                         /* Prepend to list */
 439                         tny_list_prepend (header_list, G_OBJECT (header));
 440                         tmp = g_list_next (tmp);
 441                 }
 442                 /* Clean up*/
 443                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 444                 g_list_free (list);
 445         }
 446         return header_list;
 447 }
 448
 449 void
 450 modest_header_view_select_next (ModestHeaderView *self)
 451 {
 452         GtkTreeSelection *sel;
 453         GtkTreeIter iter;
 454         GtkTreeModel *model;
 455
 456         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 457         if (sel) {
 458                 gtk_tree_selection_get_selected (sel, &model, &iter);
 459                 gtk_tree_model_iter_next (model, &iter);
 460                 gtk_tree_selection_select_iter (sel, &iter);
 461         }
 462 }
 463 GList*
 464 modest_header_view_get_columns (ModestHeaderView *self)
 465 {
 466         g_return_val_if_fail (self, FALSE);
 467         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 468 }
 469
 470 gboolean
 471 modest_header_view_is_empty (ModestHeaderView *self)
 472 {
 473         g_return_val_if_fail (self, FALSE);
 474         return FALSE; /* FIXME */
 475 }
 476
 477
 478 gboolean
 479 modest_header_view_set_style (ModestHeaderView *self,
 480                               ModestHeaderViewStyle style)
 481 {
 482         ModestHeaderViewPrivate *priv;
 483         gboolean show_col_headers = FALSE;
 484         ModestHeaderViewStyle old_style;
 485
 486         g_return_val_if_fail (self, FALSE);
 487         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 488                               FALSE);
 489
 490         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 491         if (priv->style == style)
 492                 return TRUE; /* nothing to do */
 493
 494         switch (style) {
 495         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 496                 show_col_headers = TRUE;
 497                 break;
 498         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 499                 break;
 500         default:
 501                 g_return_val_if_reached (FALSE);
 502         }
 503         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 504         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 505
 506         old_style   = priv->style;
 507         priv->style = style;
 508
 509         return TRUE;
 510 }
 511
 512
 513 ModestHeaderViewStyle
 514 modest_header_view_get_style (ModestHeaderView *self)
 515 {
 516         g_return_val_if_fail (self, FALSE);
 517         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 518 }
 519
 520
 521 static void
 522 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 523                    gpointer user_data)
 524 {
 525         GtkTreeModel *sortable;
 526         ModestHeaderView *self;
 527         ModestHeaderViewPrivate *priv;
 528         GError *error = NULL;
 529
 530         if (cancelled)
 531                 return;
 532
 533         self = MODEST_HEADER_VIEW(user_data);
 534         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 535
 536         priv->folder = folder;
 537
 538         if (folder) { /* it's a new one or a refresh */
 539                 GList *cols, *cursor;
 540
 541                 if (priv->headers)
 542                         g_object_unref (priv->headers);
 543
 544                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 545                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 546                 if (error) {
 547                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 548                                        0, MODEST_ITEM_TYPE_MESSAGE);
 549                         g_print (error->message);
 550                         g_error_free (error);
 551                         return;
 552                 }
 553
 554                 tny_gtk_header_list_model_set_folder
 555                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 556
 557                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 558
 559                 /* install our special sorting functions */
 560                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 561                 while (cursor) {
 562                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 563                                                                          MODEST_HEADER_VIEW_COLUMN));
 564                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 565                                                          col_id,
 566                                                          (GtkTreeIterCompareFunc)cmp_rows,
 567                                                          cursor->data, NULL);
 568                         cursor = g_list_next(cursor);
 569                 }
 570                 g_list_free (cols);
 571                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 572         }
 573 }
 574
 575
 576 static void
 577 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 578                                  gint num, gint total,  gpointer user_data)
 579 {
 580         ModestHeaderView *self;
 581         ModestHeaderViewPrivate *priv;
 582
 583         self = MODEST_HEADER_VIEW(user_data);
 584         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 585
 586         /* FIXME: this is a hack ==> tinymail gives us this when
 587          * it has nothing better to do */
 588         if (num == 1 && total == 100)
 589                 return;
 590
 591         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 592                        0, msg, num, total);
 593 }
 594
 595
 596 TnyFolder*
 597 modest_header_view_get_folder (ModestHeaderView *self)
 598 {
 599         ModestHeaderViewPrivate *priv;
 600         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 601
 602         return priv->folder;
 603 }
 604
 605
 606 gboolean
 607 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 608 {
 609         ModestHeaderViewPrivate *priv;
 610         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 611
 612         priv->folder = folder;
 613
 614         if (folder)
 615                 tny_folder_refresh_async (folder,
 616                                           on_refresh_folder,
 617                                           on_refresh_folder_status_update,
 618                                           self);
 619
 620         /* no message selected */
 621         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 622                        NULL);
 623         return TRUE;
 624 }
 625
 626 static void
 627 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 628 {
 629         GtkTreeModel *model;
 630         TnyHeader *header;
 631         GtkTreeIter iter;
 632         ModestHeaderView *self;
 633         ModestHeaderViewPrivate *priv;
 634
 635         g_return_if_fail (sel);
 636         g_return_if_fail (user_data);
 637
 638         self = MODEST_HEADER_VIEW (user_data);
 639         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 640
 641         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 642                 return; /* msg was _un_selected */
 643
 644         gtk_tree_model_get (model, &iter,
 645                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 646                             &header, -1);
 647
 648         /* Emit signal */
 649         g_signal_emit (G_OBJECT(self),
 650                        signals[HEADER_SELECTED_SIGNAL],
 651                        0, header);
 652 }
 653
 654
 655 /* PROTECTED method. It's useful when we want to force a given
 656    selection to reload a msg. For example if we have selected a header
 657    in offline mode, when Modest become online, we want to reload the
 658    message automatically without an user click over the header */
 659 void
 660 _modest_header_view_change_selection (GtkTreeSelection *selection,
 661                                       gpointer user_data)
 662 {
 663         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 664         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 665
 666         on_selection_changed (selection, user_data);
 667 }
 668
 669
 670 static gint
 671 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 672           gpointer user_data)
 673 {
 674         gint col_id;
 675         gint t1, t2;
 676         gint val1, val2;
 677         gchar *s1, *s2;
 678         gint cmp;
 679
 680         static int counter = 0;
 681         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 682
 683         if (!(++counter % 100)) {
 684                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 685                                                          MODEST_HEADER_VIEW_PTR);
 686                 g_signal_emit (header_view,
 687                                signals[STATUS_UPDATE_SIGNAL],
 688                                0, _("Sorting..."), 0, 0);
 689         }
 690         switch (col_id) {
 691
 692                 /* first one, we decide based on the time */
 693         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 694         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 695
 696                 gtk_tree_model_get (tree_model, iter1,
 697                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 698                                     &t1,-1);
 699                 gtk_tree_model_get (tree_model, iter2,
 700                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 701                                     &t2,-1);
 702                 return t1 - t2;
 703
 704         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 705         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 706                 gtk_tree_model_get (tree_model, iter1,
 707                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 708                                     &t1,-1);
 709                 gtk_tree_model_get (tree_model, iter2,
 710                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 711                                     &t2,-1);
 712                 return t1 - t2;
 713
 714
 715                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 716                 /* FIXME: what about received-date? */
 717         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 718
 719                 gtk_tree_model_get (tree_model, iter1,
 720                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 721                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 722                                     -1);
 723                 gtk_tree_model_get (tree_model, iter2,
 724                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 725                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 726                                     -1);
 727
 728                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 729                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 730                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 731                                                      TRUE);
 732                 g_free (s1);
 733                 g_free (s2);
 734
 735                 return cmp ? cmp : t1 - t2;
 736         }
 737
 738         case MODEST_HEADER_VIEW_COLUMN_FROM:
 739
 740                 gtk_tree_model_get (tree_model, iter1,
 741                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 742                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 743                                     -1);
 744                 gtk_tree_model_get (tree_model, iter2,
 745                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 746                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 747                                     -1);
 748                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 749                 g_free (s1);
 750                 g_free (s2);
 751
 752                 return cmp ? cmp : t1 - t2;
 753
 754         case MODEST_HEADER_VIEW_COLUMN_TO:
 755
 756                 gtk_tree_model_get (tree_model, iter1,
 757                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 758                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 759                                     -1);
 760                 gtk_tree_model_get (tree_model, iter2,
 761                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 762                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 763                                     -1);
 764                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 765                 g_free (s1);
 766                 g_free (s2);
 767
 768                 return cmp ? cmp : t1 - t2;
 769
 770         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 771
 772                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 773                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 774                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 775                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 776
 777                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 778                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 779
 780                 return cmp ? cmp : t1 - t2;
 781
 782         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 783                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 784                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 785                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 786                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 787                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 788
 789                 return cmp ? cmp : t1 - t2;
 790
 791         default:
 792                 return &iter1 - &iter2; /* oughhhh  */
 793         }
 794 }