git.maemo.org Git - modest/blob - src/widgets/modest-header-view.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <glib/gi18n.h>
  31 #include <tny-list.h>
  32 #include <tny-simple-list.h>
  33 #include <string.h>
  34
  35 #include <modest-header-view.h>
  36 #include <modest-header-view-priv.h>
  37
  38 #include <modest-marshal.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-icon-factory.h>
  42
  43 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  44 static void modest_header_view_init        (ModestHeaderView *obj);
  45 static void modest_header_view_finalize    (GObject *obj);
  46
  47 static void on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  48
  49 static gint cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
  50                       gpointer user_data);
  51
  52 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  53
  54 enum {
  55         HEADER_SELECTED_SIGNAL,
  56         ITEM_NOT_FOUND_SIGNAL,
  57         STATUS_UPDATE_SIGNAL,
  58         LAST_SIGNAL
  59 };
  60
  61
  62 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  63 struct _ModestHeaderViewPrivate {
  64         TnyFolder            *folder;
  65         TnyList              *headers;
  66         GMutex               *lock;
  67         ModestHeaderViewStyle style;
  68         gulong                sig1;
  69         gboolean              is_empty;
  70 };
  71
  72 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  73                                                 MODEST_TYPE_HEADER_VIEW, \
  74                                                 ModestHeaderViewPrivate))
  75
  76 /* globals */
  77 static GObjectClass *parent_class = NULL;
  78
  79 /* uncomment the following if you have defined any signals */
  80 static guint signals[LAST_SIGNAL] = {0};
  81
  82 GType
  83 modest_header_view_get_type (void)
  84 {
  85         static GType my_type = 0;
  86         if (!my_type) {
  87                 static const GTypeInfo my_info = {
  88                         sizeof(ModestHeaderViewClass),
  89                         NULL,           /* base init */
  90                         NULL,           /* base finalize */
  91                         (GClassInitFunc) modest_header_view_class_init,
  92                         NULL,           /* class finalize */
  93                         NULL,           /* class data */
  94                         sizeof(ModestHeaderView),
  95                         1,              /* n_preallocs */
  96                         (GInstanceInitFunc) modest_header_view_init,
  97                         NULL
  98                 };
  99                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 100                                                   "ModestHeaderView",
 101                                                   &my_info, 0);
 102         }
 103         return my_type;
 104 }
 105
 106 static void
 107 modest_header_view_class_init (ModestHeaderViewClass *klass)
 108 {
 109         GObjectClass *gobject_class;
 110         gobject_class = (GObjectClass*) klass;
 111
 112         parent_class            = g_type_class_peek_parent (klass);
 113         gobject_class->finalize = modest_header_view_finalize;
 114
 115         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 116
 117         signals[HEADER_SELECTED_SIGNAL] =
 118                 g_signal_new ("header_selected",
 119                               G_TYPE_FROM_CLASS (gobject_class),
 120                               G_SIGNAL_RUN_FIRST,
 121                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 122                               NULL, NULL,
 123                               g_cclosure_marshal_VOID__POINTER,
 124                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 125
 126         signals[ITEM_NOT_FOUND_SIGNAL] =
 127                 g_signal_new ("item_not_found",
 128                               G_TYPE_FROM_CLASS (gobject_class),
 129                               G_SIGNAL_RUN_FIRST,
 130                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 131                               NULL, NULL,
 132                               g_cclosure_marshal_VOID__INT,
 133                               G_TYPE_NONE, 1, G_TYPE_INT);
 134
 135         signals[STATUS_UPDATE_SIGNAL] =
 136                 g_signal_new ("status_update",
 137                               G_TYPE_FROM_CLASS (gobject_class),
 138                               G_SIGNAL_RUN_FIRST,
 139                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 140                               NULL, NULL,
 141                               modest_marshal_VOID__STRING_INT_INT,
 142                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 143 }
 144
 145 static GtkTreeViewColumn*
 146 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 147                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 148                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 149 {
 150         GtkTreeViewColumn *column;
 151
 152         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 153         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 154
 155         gtk_tree_view_column_set_resizable (column, resizable);
 156         if (resizable)
 157                 gtk_tree_view_column_set_expand (column, TRUE);
 158
 159         if (show_as_text)
 160                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 161                                                     sort_col_id);
 162         if (sort_col_id >= 0)
 163                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 164
 165         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 166         gtk_tree_view_column_set_reorderable (column, TRUE);
 167
 168         if (cell_data_func)
 169                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 170                                                         user_data, NULL);
 171         return column;
 172 }
 173
 174
 175
 176
 177 static void
 178 remove_all_columns (ModestHeaderView *obj)
 179 {
 180         GList *columns, *cursor;
 181
 182         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 183
 184         for (cursor = columns; cursor; cursor = cursor->next)
 185                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 186                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 187         g_list_free (columns);
 188 }
 189
 190
 191
 192 static gboolean
 193 set_empty (ModestHeaderView *self)
 194 {
 195         GtkListStore *store;
 196         GtkTreeIter iter;
 197
 198         gtk_tree_view_set_model (GTK_TREE_VIEW(self), NULL);
 199         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
 200                                            FALSE);
 201         remove_all_columns (self);
 202
 203         return TRUE; /* FIXME */
 204
 205
 206         store = gtk_list_store_new(1,G_TYPE_STRING);
 207         gtk_list_store_append (store, &iter);
 208         gtk_list_store_set (store, &iter, 0, _("No items in this folder"), -1);
 209
 210         gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW(self),
 211                                                      0, "", gtk_cell_renderer_text_new (),
 212                                                      "text", 0,
 213                                                      "weight", 800, /* bold */
 214                                                      NULL);
 215         gtk_tree_view_set_model (GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 216         g_object_unref (G_OBJECT(store));
 217         MODEST_HEADER_VIEW_GET_PRIVATE(self)->is_empty = TRUE;
 218
 219         return TRUE;
 220 }
 221
 222
 223
 224 gboolean
 225 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 226 {
 227         GtkTreeModel *sortable;
 228         GtkTreeViewColumn *column=NULL;
 229         GtkCellRenderer *renderer_msgtype,*renderer_header,
 230                 *renderer_attach;
 231         ModestHeaderViewPrivate *priv;
 232         const GList *cursor;
 233
 234         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 235
 236         /* FIXME: check whether these renderers need to be freed */
 237         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 238         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 239         renderer_header  = gtk_cell_renderer_text_new ();
 240
 241         remove_all_columns (self);
 242
 243         if (priv->headers)
 244                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 245         else
 246                 sortable = NULL;
 247
 248         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 249                 ModestHeaderViewColumn col =
 250                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 251
 252                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 253                         g_printerr ("modest: invalid column %d in column list\n", col);
 254                         continue;
 255                 }
 256
 257                 switch (col) {
 258
 259                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 260                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 261                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 262                                                  FALSE,
 263                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 264                                                  NULL);
 265                         gtk_tree_view_column_set_fixed_width (column, 45);
 266                         break;
 267
 268                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 269                         column = get_new_column (_("A"), renderer_attach, FALSE,
 270                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 271                                                  FALSE,
 272                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 273                                                  NULL);
 274                         gtk_tree_view_column_set_fixed_width (column, 45);
 275                         break;
 276
 277
 278                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 279                         column = get_new_column (_("From"), renderer_header, TRUE,
 280                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 281                                                  TRUE,
 282                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 283                                                  GINT_TO_POINTER(TRUE));
 284                         break;
 285
 286                 case MODEST_HEADER_VIEW_COLUMN_TO:
 287                         column = get_new_column (_("To"), renderer_header, TRUE,
 288                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 289                                                  TRUE,
 290                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 291                                                  GINT_TO_POINTER(FALSE));
 292                         break;
 293
 294                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 295                         column = get_new_column (_("Header"), renderer_header, TRUE,
 296                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 297                                                  TRUE,
 298                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 299                                                  GINT_TO_POINTER(TRUE));
 300                         break;
 301
 302                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 303                         column = get_new_column (_("Header"), renderer_header, TRUE,
 304                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 305                                                  TRUE,
 306                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 307                                                  GINT_TO_POINTER(FALSE));
 308                         break;
 309
 310
 311                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 312                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 313                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 314                                                  TRUE,
 315                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 316                                                  NULL);
 317                         break;
 318
 319                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 320                         column = get_new_column (_("Received"), renderer_header, TRUE,
 321                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 322                                                  TRUE,
 323                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 324                                                  GINT_TO_POINTER(TRUE));
 325                         break;
 326
 327                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 328                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 329                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 330                                                  TRUE,
 331                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 332                                                  GINT_TO_POINTER(FALSE));
 333                         break;
 334
 335                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 336                         column = get_new_column (_("Size"), renderer_header, TRUE,
 337                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 338                                                  FALSE,
 339                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 340                                                  NULL);
 341                         break;
 342
 343                 default:
 344                         g_return_val_if_reached(FALSE);
 345                 }
 346
 347                 if (sortable)
 348                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 349                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 350                                                          column, NULL);
 351
 352                 /* we keep the column id around */
 353                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 354                                    GINT_TO_POINTER(col));
 355
 356                 /* we need this ptr when sorting the rows */
 357                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 358                                    self);
 359                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 360         }
 361         return TRUE;
 362 }
 363
 364 static void
 365 modest_header_view_init (ModestHeaderView *obj)
 366 {
 367         ModestHeaderViewPrivate *priv;
 368         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 369
 370         priv->lock = g_mutex_new ();
 371         priv->sig1 = 0;
 372         priv->is_empty = TRUE;
 373 }
 374
 375 static void
 376 modest_header_view_finalize (GObject *obj)
 377 {
 378         ModestHeaderView        *self;
 379         ModestHeaderViewPrivate *priv;
 380         GtkTreeSelection        *sel;
 381
 382         self = MODEST_HEADER_VIEW(obj);
 383         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 384
 385         if (priv->headers)
 386                 g_object_unref (G_OBJECT(priv->headers));
 387
 388         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 389
 390         if (sel && priv->sig1 != 0) {
 391                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 392                 priv->sig1 = 0;
 393         }
 394
 395         if (priv->lock) {
 396                 g_mutex_free (priv->lock);
 397                 priv->lock = NULL;
 398         }
 399
 400         priv->headers  = NULL;
 401         priv->folder   = NULL;
 402
 403         G_OBJECT_CLASS(parent_class)->finalize (obj);
 404 }
 405
 406
 407 GtkWidget*
 408 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 409 {
 410         GObject *obj;
 411         GtkTreeSelection *sel;
 412         ModestHeaderView *self;
 413         ModestHeaderViewPrivate *priv;
 414
 415         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 416                               NULL);
 417
 418         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 419         self = MODEST_HEADER_VIEW(obj);
 420         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 421
 422         modest_header_view_set_style   (self, style);
 423
 424         if (!modest_header_view_set_folder (self, NULL)) {
 425                 g_printerr ("modest: could not set the folder\n");
 426                 g_object_unref (obj);
 427                 return NULL;
 428         }
 429
 430         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 431         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 432
 433         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 434                                       TRUE); /* alternating row colors */
 435         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 436
 437         priv->sig1 = g_signal_connect (sel, "changed",
 438                                        G_CALLBACK(on_selection_changed), self);
 439
 440         return GTK_WIDGET(self);
 441 }
 442
 443
 444 TnyList *
 445 modest_header_view_get_selected_headers (ModestHeaderView *self)
 446 {
 447         GtkTreeSelection *sel;
 448         ModestHeaderViewPrivate *priv;
 449         TnyList *header_list = NULL;
 450         TnyHeader *header;
 451         GList *list, *tmp = NULL;
 452         GtkTreeModel *tree_model = NULL;
 453         GtkTreeIter iter;
 454
 455         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 456
 457         /* Get selected rows */
 458         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 459         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 460
 461         if (list) {
 462                 header_list = tny_simple_list_new();
 463
 464                 list = g_list_reverse (list);
 465                 tmp = list;
 466                 while (tmp) {
 467                         /* get header from selection */
 468                         gtk_tree_model_get_iter (tree_model,
 469                                                  &iter,
 470                                                  (GtkTreePath *) (tmp->data));
 471
 472                         gtk_tree_model_get (tree_model, &iter,
 473                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 474                                             &header, -1);
 475
 476                         /* Prepend to list */
 477                         tny_list_prepend (header_list, G_OBJECT (header));
 478                         tmp = g_list_next (tmp);
 479                 }
 480                 /* Clean up*/
 481                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 482                 g_list_free (list);
 483         }
 484         return header_list;
 485 }
 486
 487 void
 488 modest_header_view_select_next (ModestHeaderView *self)
 489 {
 490         GtkTreeSelection *sel;
 491         GtkTreeIter iter;
 492         GtkTreeModel *model;
 493
 494         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 495         if (sel) {
 496                 gtk_tree_selection_get_selected (sel, &model, &iter);
 497                 gtk_tree_model_iter_next (model, &iter);
 498                 gtk_tree_selection_select_iter (sel, &iter);
 499         }
 500 }
 501 GList*
 502 modest_header_view_get_columns (ModestHeaderView *self)
 503 {
 504         g_return_val_if_fail (self, FALSE);
 505         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 506 }
 507
 508 gboolean
 509 modest_header_view_is_empty (ModestHeaderView *self)
 510 {
 511         g_return_val_if_fail (self, FALSE);
 512         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->is_empty;
 513 }
 514
 515
 516 gboolean
 517 modest_header_view_set_style (ModestHeaderView *self,
 518                               ModestHeaderViewStyle style)
 519 {
 520         ModestHeaderViewPrivate *priv;
 521         gboolean show_col_headers = FALSE;
 522         ModestHeaderViewStyle old_style;
 523
 524         g_return_val_if_fail (self, FALSE);
 525         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 526                               FALSE);
 527
 528         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 529         if (priv->style == style)
 530                 return TRUE; /* nothing to do */
 531
 532         switch (style) {
 533         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 534                 show_col_headers = TRUE;
 535                 break;
 536         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 537                 break;
 538         default:
 539                 g_return_val_if_reached (FALSE);
 540         }
 541         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 542         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 543
 544         old_style   = priv->style;
 545         priv->style = style;
 546
 547         return TRUE;
 548 }
 549
 550
 551 ModestHeaderViewStyle
 552 modest_header_view_get_style (ModestHeaderView *self)
 553 {
 554         g_return_val_if_fail (self, FALSE);
 555         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 556 }
 557
 558
 559 static void
 560 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 561                    gpointer user_data)
 562 {
 563         GtkTreeModel *sortable;
 564         ModestHeaderView *self;
 565         ModestHeaderViewPrivate *priv;
 566         GError *error = NULL;
 567
 568         if (cancelled)
 569                 return;
 570
 571         self = MODEST_HEADER_VIEW(user_data);
 572         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 573
 574         priv->folder = folder;
 575         if (!folder || tny_folder_get_all_count(folder) == 0) {
 576                 set_empty (self);
 577         } else { /* it's a new one or a refresh */
 578                 GList *cols, *cursor;
 579
 580                 priv->is_empty = FALSE;
 581
 582                 if (priv->headers)
 583                         g_object_unref (priv->headers);
 584
 585                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 586                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 587                 if (error) {
 588                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 589                                        0, MODEST_ITEM_TYPE_MESSAGE);
 590                         g_print (error->message);
 591                         g_error_free (error);
 592                         return;
 593                 }
 594
 595                 tny_gtk_header_list_model_set_folder
 596                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 597
 598                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 599
 600                 /* install our special sorting functions */
 601                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 602                 while (cursor) {
 603                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 604                                                                          MODEST_HEADER_VIEW_COLUMN));
 605                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 606                                                          col_id,
 607                                                          (GtkTreeIterCompareFunc)cmp_rows,
 608                                                          cursor->data, NULL);
 609                         cursor = g_list_next(cursor);
 610                 }
 611                 g_list_free (cols);
 612                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 613         }
 614 }
 615
 616
 617 static void
 618 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 619                                  gint num, gint total,  gpointer user_data)
 620 {
 621         ModestHeaderView *self;
 622         ModestHeaderViewPrivate *priv;
 623
 624         self = MODEST_HEADER_VIEW(user_data);
 625         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 626
 627         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 628                        0, msg, num, total);
 629 }
 630
 631
 632 TnyFolder*
 633 modest_header_view_get_folder (ModestHeaderView *self)
 634 {
 635         ModestHeaderViewPrivate *priv;
 636         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 637
 638         return priv->folder;
 639 }
 640
 641
 642 gboolean
 643 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 644 {
 645         ModestHeaderViewPrivate *priv;
 646         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 647
 648         priv->folder = folder;
 649
 650         if (folder)
 651                 tny_folder_refresh_async (folder,
 652                                           on_refresh_folder,
 653                                           on_refresh_folder_status_update,
 654                                           self);
 655         /* no message selected */
 656         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 657                        NULL);
 658         return TRUE;
 659 }
 660
 661 static void
 662 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 663 {
 664         GtkTreeModel *model;
 665         TnyHeader *header;
 666         GtkTreeIter iter;
 667         ModestHeaderView *self;
 668         ModestHeaderViewPrivate *priv;
 669
 670         g_return_if_fail (sel);
 671         g_return_if_fail (user_data);
 672
 673         self = MODEST_HEADER_VIEW (user_data);
 674         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 675
 676         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 677                 return; /* msg was _un_selected */
 678
 679         gtk_tree_model_get (model, &iter,
 680                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 681                             &header, -1);
 682
 683         /* Emit signal */
 684         g_signal_emit (G_OBJECT(self),
 685                        signals[HEADER_SELECTED_SIGNAL],
 686                        0, header);
 687 }
 688
 689
 690 /* PROTECTED method. It's useful when we want to force a given
 691    selection to reload a msg. For example if we have selected a header
 692    in offline mode, when Modest become online, we want to reload the
 693    message automatically without an user click over the header */
 694 void
 695 _modest_header_view_change_selection (GtkTreeSelection *selection,
 696                                       gpointer user_data)
 697 {
 698         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 699         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 700
 701         on_selection_changed (selection, user_data);
 702 }
 703
 704
 705 static gint
 706 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 707           gpointer user_data)
 708 {
 709         gint col_id;
 710         gint t1, t2;
 711         gint val1, val2;
 712         gchar *s1, *s2;
 713         gint cmp;
 714
 715         static int counter = 0;
 716         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 717
 718         if (!(++counter % 100)) {
 719                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 720                                                          MODEST_HEADER_VIEW_PTR);
 721                 g_signal_emit (header_view,
 722                                signals[STATUS_UPDATE_SIGNAL],
 723                                0, _("Sorting..."), 0, 0);
 724         }
 725         switch (col_id) {
 726
 727                 /* first one, we decide based on the time */
 728         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 729         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 730
 731                 gtk_tree_model_get (tree_model, iter1,
 732                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 733                                     &t1,-1);
 734                 gtk_tree_model_get (tree_model, iter2,
 735                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 736                                     &t2,-1);
 737                 return t1 - t2;
 738
 739         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 740         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 741                 gtk_tree_model_get (tree_model, iter1,
 742                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 743                                     &t1,-1);
 744                 gtk_tree_model_get (tree_model, iter2,
 745                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 746                                     &t2,-1);
 747                 return t1 - t2;
 748
 749
 750                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 751                 /* FIXME: what about received-date? */
 752         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 753
 754                 gtk_tree_model_get (tree_model, iter1,
 755                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_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_SUBJECT_COLUMN, &s2,
 760                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 761                                     -1);
 762
 763                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 764                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 765                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 766                                                      TRUE);
 767                 g_free (s1);
 768                 g_free (s2);
 769
 770                 return cmp ? cmp : t1 - t2;
 771         }
 772
 773         case MODEST_HEADER_VIEW_COLUMN_FROM:
 774
 775                 gtk_tree_model_get (tree_model, iter1,
 776                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 777                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 778                                     -1);
 779                 gtk_tree_model_get (tree_model, iter2,
 780                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 781                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 782                                     -1);
 783                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 784                 g_free (s1);
 785                 g_free (s2);
 786
 787                 return cmp ? cmp : t1 - t2;
 788
 789         case MODEST_HEADER_VIEW_COLUMN_TO:
 790
 791                 gtk_tree_model_get (tree_model, iter1,
 792                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 793                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 794                                     -1);
 795                 gtk_tree_model_get (tree_model, iter2,
 796                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 797                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 798                                     -1);
 799                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 800                 g_free (s1);
 801                 g_free (s2);
 802
 803                 return cmp ? cmp : t1 - t2;
 804
 805         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 806
 807                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 808                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 809                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 810                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 811
 812                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 813                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 814
 815                 return cmp ? cmp : t1 - t2;
 816
 817         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 818                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 819                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 820                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 821                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 822                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 823
 824                 return cmp ? cmp : t1 - t2;
 825
 826         default:
 827                 return &iter1 - &iter2; /* oughhhh  */
 828         }
 829 }