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         GtkTreeViewColumn *column=NULL;
 228         GtkCellRenderer *renderer_msgtype,*renderer_header,
 229                 *renderer_attach;
 230         ModestHeaderViewPrivate *priv;
 231         const GList *cursor;
 232
 233         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 234
 235         /* FIXME: check whether these renderers need to be freed */
 236         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 237         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 238         renderer_header  = gtk_cell_renderer_text_new ();
 239
 240         remove_all_columns (self);
 241
 242         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 243                 ModestHeaderViewColumn col =
 244                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 245
 246                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 247                         g_printerr ("modest: invalid column %d in column list\n", col);
 248                         continue;
 249                 }
 250
 251                 switch (col) {
 252
 253                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 254                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 255                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 256                                                  FALSE,
 257                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 258                                                  NULL);
 259                         gtk_tree_view_column_set_fixed_width (column, 32);
 260                         break;
 261
 262                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 263                         column = get_new_column (_("A"), renderer_attach, FALSE,
 264                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 265                                                  FALSE,
 266                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 267                                                  NULL);
 268                         gtk_tree_view_column_set_fixed_width (column, 32);
 269                         break;
 270
 271
 272                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 273                         column = get_new_column (_("From"), renderer_header, TRUE,
 274                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 275                                                  TRUE,
 276                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 277                                                  GINT_TO_POINTER(TRUE));
 278                         break;
 279
 280                 case MODEST_HEADER_VIEW_COLUMN_TO:
 281                         column = get_new_column (_("To"), renderer_header, TRUE,
 282                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 283                                                  TRUE,
 284                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 285                                                  GINT_TO_POINTER(FALSE));
 286                         break;
 287
 288                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 289                         column = get_new_column (_("Header"), renderer_header, TRUE,
 290                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 291                                                  TRUE,
 292                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 293                                                  GINT_TO_POINTER(TRUE));
 294                         break;
 295
 296                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 297                         column = get_new_column (_("Header"), renderer_header, TRUE,
 298                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 299                                                  TRUE,
 300                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 301                                                  GINT_TO_POINTER(FALSE));
 302                         break;
 303
 304
 305                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 306                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 307                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 308                                                  TRUE,
 309                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 310                                                  NULL);
 311                         break;
 312
 313                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 314                         column = get_new_column (_("Received"), renderer_header, TRUE,
 315                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 316                                                  TRUE,
 317                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 318                                                  GINT_TO_POINTER(TRUE));
 319                         break;
 320
 321                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 322                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 323                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 324                                                  TRUE,
 325                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 326                                                  GINT_TO_POINTER(FALSE));
 327                         break;
 328
 329                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 330                         column = get_new_column (_("Size"), renderer_header, TRUE,
 331                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 332                                                  FALSE,
 333                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 334                                                  NULL);
 335                         break;
 336
 337                 default:
 338                         g_return_val_if_reached(FALSE);
 339                 }
 340
 341                 /* we keep the column id around */
 342                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 343                                    GINT_TO_POINTER(col));
 344
 345                 /* we need this ptr when sorting the rows */
 346                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 347                                    self);
 348                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 349         }
 350         return TRUE;
 351 }
 352
 353 static void
 354 modest_header_view_init (ModestHeaderView *obj)
 355 {
 356         ModestHeaderViewPrivate *priv;
 357         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 358
 359         priv->lock = g_mutex_new ();
 360         priv->sig1 = 0;
 361         priv->is_empty = TRUE;
 362 }
 363
 364 static void
 365 modest_header_view_finalize (GObject *obj)
 366 {
 367         ModestHeaderView        *self;
 368         ModestHeaderViewPrivate *priv;
 369         GtkTreeSelection        *sel;
 370
 371         self = MODEST_HEADER_VIEW(obj);
 372         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 373
 374         if (priv->headers)
 375                 g_object_unref (G_OBJECT(priv->headers));
 376
 377         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 378
 379         if (sel && priv->sig1 != 0) {
 380                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 381                 priv->sig1 = 0;
 382         }
 383
 384         if (priv->lock) {
 385                 g_mutex_free (priv->lock);
 386                 priv->lock = NULL;
 387         }
 388
 389         priv->headers  = NULL;
 390         priv->folder   = NULL;
 391
 392         G_OBJECT_CLASS(parent_class)->finalize (obj);
 393 }
 394
 395
 396 GtkWidget*
 397 modest_header_view_new (TnyFolder *folder, const GList *columns,
 398                         ModestHeaderViewStyle style)
 399 {
 400         GObject *obj;
 401         GtkTreeSelection *sel;
 402         ModestHeaderView *self;
 403         ModestHeaderViewPrivate *priv;
 404
 405         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 406                               NULL);
 407
 408         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 409         self = MODEST_HEADER_VIEW(obj);
 410         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 411
 412         modest_header_view_set_style   (self, style);
 413         modest_header_view_set_columns (self, columns);
 414
 415         if (!modest_header_view_set_folder (self, NULL)) {
 416                 g_warning ("could not set the folder");
 417                 g_object_unref (obj);
 418                 return NULL;
 419         }
 420
 421         /* all cols */
 422         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 423         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 424
 425         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 426                                       TRUE); /* alternating row colors */
 427
 428         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 429
 430         priv->sig1 = g_signal_connect (sel, "changed",
 431                                        G_CALLBACK(on_selection_changed), self);
 432
 433         return GTK_WIDGET(self);
 434 }
 435
 436
 437 TnyList *
 438 modest_header_view_get_selected_headers (ModestHeaderView *self)
 439 {
 440         GtkTreeSelection *sel;
 441         ModestHeaderViewPrivate *priv;
 442         TnyList *header_list = NULL;
 443         TnyHeader *header;
 444         GList *list, *tmp = NULL;
 445         GtkTreeModel *tree_model = NULL;
 446         GtkTreeIter iter;
 447
 448         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 449
 450         /* Get selected rows */
 451         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 452         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 453
 454         if (list) {
 455                 header_list = tny_simple_list_new();
 456
 457                 list = g_list_reverse (list);
 458                 tmp = list;
 459                 while (tmp) {
 460                         /* get header from selection */
 461                         gtk_tree_model_get_iter (tree_model,
 462                                                  &iter,
 463                                                  (GtkTreePath *) (tmp->data));
 464
 465                         gtk_tree_model_get (tree_model, &iter,
 466                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 467                                             &header, -1);
 468
 469                         /* Prepend to list */
 470                         tny_list_prepend (header_list, G_OBJECT (header));
 471                         tmp = g_list_next (tmp);
 472                 }
 473                 /* Clean up*/
 474                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 475                 g_list_free (list);
 476         }
 477         return header_list;
 478 }
 479
 480 void
 481 modest_header_view_select_next (ModestHeaderView *self)
 482 {
 483         GtkTreeSelection *sel;
 484         GtkTreeIter iter;
 485         GtkTreeModel *model;
 486
 487         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 488         if (sel) {
 489                 gtk_tree_selection_get_selected (sel, &model, &iter);
 490                 gtk_tree_model_iter_next (model, &iter);
 491                 gtk_tree_selection_select_iter (sel, &iter);
 492         }
 493 }
 494 GList*
 495 modest_header_view_get_columns (ModestHeaderView *self)
 496 {
 497         g_return_val_if_fail (self, FALSE);
 498         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 499 }
 500
 501 gboolean
 502 modest_header_view_is_empty (ModestHeaderView *self)
 503 {
 504         g_return_val_if_fail (self, FALSE);
 505         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->is_empty;
 506 }
 507
 508
 509 gboolean
 510 modest_header_view_set_style (ModestHeaderView *self,
 511                               ModestHeaderViewStyle style)
 512 {
 513         ModestHeaderViewPrivate *priv;
 514         gboolean show_col_headers = FALSE;
 515         ModestHeaderViewStyle old_style;
 516
 517         g_return_val_if_fail (self, FALSE);
 518         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 519                               FALSE);
 520
 521         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 522         if (priv->style == style)
 523                 return TRUE; /* nothing to do */
 524
 525         switch (style) {
 526         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 527                 show_col_headers = TRUE;
 528                 break;
 529         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 530                 break;
 531         default:
 532                 g_return_val_if_reached (FALSE);
 533         }
 534         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 535         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 536
 537         old_style   = priv->style;
 538         priv->style = style;
 539
 540         return TRUE;
 541 }
 542
 543
 544 ModestHeaderViewStyle
 545 modest_header_view_get_style (ModestHeaderView *self)
 546 {
 547         g_return_val_if_fail (self, FALSE);
 548         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 549 }
 550
 551
 552 static void
 553 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 554                    gpointer user_data)
 555 {
 556         GtkTreeModel *sortable;
 557         ModestHeaderView *self;
 558         ModestHeaderViewPrivate *priv;
 559         GError *error = NULL;
 560
 561         if (cancelled)
 562                 return;
 563
 564         self = MODEST_HEADER_VIEW(user_data);
 565         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 566
 567         priv->folder = folder;
 568         if (!folder || tny_folder_get_all_count(folder) == 0) {
 569                 set_empty (self);
 570         } else { /* it's a new one or a refresh */
 571                 GList *cols, *cursor;
 572
 573                 priv->is_empty = FALSE;
 574
 575                 if (priv->headers)
 576                         g_object_unref (priv->headers);
 577
 578                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 579                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 580                 if (error) {
 581                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 582                                        0, MODEST_ITEM_TYPE_MESSAGE);
 583                         g_print (error->message);
 584                         g_error_free (error);
 585                         return;
 586                 }
 587
 588                 tny_gtk_header_list_model_set_folder
 589                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 590
 591                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 592
 593                 /* install our special sorting functions */
 594                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 595                 while (cursor) {
 596                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 597                                                                          MODEST_HEADER_VIEW_COLUMN));
 598                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 599                                                          col_id,
 600                                                          (GtkTreeIterCompareFunc)cmp_rows,
 601                                                          cursor->data, NULL);
 602                         cursor = g_list_next(cursor);
 603                 }
 604                 g_list_free (cols);
 605                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 606         }
 607 }
 608
 609
 610 static void
 611 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 612                                  gint num, gint total,  gpointer user_data)
 613 {
 614         ModestHeaderView *self;
 615         ModestHeaderViewPrivate *priv;
 616
 617         self = MODEST_HEADER_VIEW(user_data);
 618         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 619
 620         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 621                        0, msg, num, total);
 622 }
 623
 624
 625 TnyFolder*
 626 modest_header_view_get_folder (ModestHeaderView *self)
 627 {
 628         ModestHeaderViewPrivate *priv;
 629         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 630
 631         return priv->folder;
 632 }
 633
 634
 635 gboolean
 636 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 637 {
 638         ModestHeaderViewPrivate *priv;
 639         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 640
 641         priv->folder = folder;
 642
 643         if (folder)
 644                 tny_folder_refresh_async (folder,
 645                                           on_refresh_folder,
 646                                           on_refresh_folder_status_update,
 647                                           self);
 648         /* no message selected */
 649         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 650                        NULL);
 651         return TRUE;
 652 }
 653
 654 static void
 655 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 656 {
 657         GtkTreeModel *model;
 658         TnyHeader *header;
 659         GtkTreeIter iter;
 660         ModestHeaderView *self;
 661         ModestHeaderViewPrivate *priv;
 662
 663         g_return_if_fail (sel);
 664         g_return_if_fail (user_data);
 665
 666         self = MODEST_HEADER_VIEW (user_data);
 667         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 668
 669         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 670                 return; /* msg was _un_selected */
 671
 672         gtk_tree_model_get (model, &iter,
 673                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 674                             &header, -1);
 675
 676         /* Emit signal */
 677         g_signal_emit (G_OBJECT(self),
 678                        signals[HEADER_SELECTED_SIGNAL],
 679                        0, header);
 680 }
 681
 682
 683 /* PROTECTED method. It's useful when we want to force a given
 684    selection to reload a msg. For example if we have selected a header
 685    in offline mode, when Modest become online, we want to reload the
 686    message automatically without an user click over the header */
 687 void
 688 _modest_header_view_change_selection (GtkTreeSelection *selection,
 689                                       gpointer user_data)
 690 {
 691         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 692         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 693
 694         on_selection_changed (selection, user_data);
 695 }
 696
 697
 698 static gint
 699 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 700           gpointer user_data)
 701 {
 702         gint col_id;
 703         gint t1, t2;
 704         gint val1, val2;
 705         gchar *s1, *s2;
 706         gint cmp;
 707
 708         static int counter = 0;
 709         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 710
 711         if (!(++counter % 100)) {
 712                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 713                                                          MODEST_HEADER_VIEW_PTR);
 714                 g_signal_emit (header_view,
 715                                signals[STATUS_UPDATE_SIGNAL],
 716                                0, _("Sorting..."), 0, 0);
 717         }
 718         switch (col_id) {
 719
 720                 /* first one, we decide based on the time */
 721         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 722         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 723                 gtk_tree_model_get (tree_model, iter1,
 724                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 725                                     &t1,-1);
 726                 gtk_tree_model_get (tree_model, iter2,
 727                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 728                                     &t2,-1);
 729                 return t1 - t2;
 730
 731         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 732         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 733                 gtk_tree_model_get (tree_model, iter1,
 734                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 735                                     &t1,-1);
 736                 gtk_tree_model_get (tree_model, iter2,
 737                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 738                                     &t2,-1);
 739                 return t1 - t2;
 740
 741
 742                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 743         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 744
 745                 gtk_tree_model_get (tree_model, iter1,
 746                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 747                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 748                                     -1);
 749                 gtk_tree_model_get (tree_model, iter2,
 750                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 751                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 752                                     -1);
 753
 754                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 755                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 756                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 757                                                      TRUE);
 758
 759                 g_free (s1);
 760                 g_free (s2);
 761
 762                 return cmp ? cmp : t1 - t2;
 763         }
 764
 765         case MODEST_HEADER_VIEW_COLUMN_FROM:
 766
 767                 gtk_tree_model_get (tree_model, iter1,
 768                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 769                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 770                                     -1);
 771                 gtk_tree_model_get (tree_model, iter2,
 772                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 773                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 774                                     -1);
 775                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 776                 g_free (s1);
 777                 g_free (s2);
 778
 779                 return cmp ? cmp : t1 - t2;
 780
 781         case MODEST_HEADER_VIEW_COLUMN_TO:
 782
 783                 gtk_tree_model_get (tree_model, iter1,
 784                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 785                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 786                                     -1);
 787                 gtk_tree_model_get (tree_model, iter2,
 788                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 789                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 790                                     -1);
 791                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 792                 g_free (s1);
 793                 g_free (s2);
 794
 795                 return cmp ? cmp : t1 - t2;
 796
 797         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 798
 799                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 800                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 801                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 802                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 803
 804                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 805                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 806
 807                 return cmp ? cmp : t1 - t2;
 808
 809         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 810                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 811                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 812                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 813                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 814                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 815
 816                 return cmp ? cmp : t1 - t2;
 817
 818         default:
 819                 return &iter1 - &iter2; /* oughhhh  */
 820         }
 821 }