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

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <glib/gi18n.h>
  31 #include <tny-list.h>
  32 #include <tny-simple-list.h>
  33 #include <string.h>
  34
  35 #include <modest-header-view.h>
  36 #include <modest-header-view-priv.h>
  37
  38 #include <modest-marshal.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-icon-names.h>
  41
  42 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  43 static void modest_header_view_init        (ModestHeaderView *obj);
  44 static void modest_header_view_finalize    (GObject *obj);
  45
  46 static gboolean on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data);
  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
  53 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  54 struct _ModestHeaderViewPrivate {
  55         TnyFolder            *folder;
  56         TnyList              *headers;
  57         GMutex               *lock;
  58         ModestHeaderViewStyle style;
  59 };
  60
  61 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  62                                                 MODEST_TYPE_HEADER_VIEW, \
  63                                                 ModestHeaderViewPrivate))
  64
  65
  66
  67 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  68
  69 enum {
  70         HEADER_SELECTED_SIGNAL,
  71         HEADER_ACTIVATED_SIGNAL,
  72         ITEM_NOT_FOUND_SIGNAL,
  73         STATUS_UPDATE_SIGNAL,
  74         LAST_SIGNAL
  75 };
  76
  77 /* globals */
  78 static GObjectClass *parent_class = NULL;
  79
  80 /* uncomment the following if you have defined any signals */
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 GType
  84 modest_header_view_get_type (void)
  85 {
  86         static GType my_type = 0;
  87         if (!my_type) {
  88                 static const GTypeInfo my_info = {
  89                         sizeof(ModestHeaderViewClass),
  90                         NULL,           /* base init */
  91                         NULL,           /* base finalize */
  92                         (GClassInitFunc) modest_header_view_class_init,
  93                         NULL,           /* class finalize */
  94                         NULL,           /* class data */
  95                         sizeof(ModestHeaderView),
  96                         1,              /* n_preallocs */
  97                         (GInstanceInitFunc) modest_header_view_init,
  98                         NULL
  99                 };
 100                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 101                                                   "ModestHeaderView",
 102                                                   &my_info, 0);
 103         }
 104         return my_type;
 105 }
 106
 107 static void
 108 modest_header_view_class_init (ModestHeaderViewClass *klass)
 109 {
 110         GObjectClass *gobject_class;
 111         gobject_class = (GObjectClass*) klass;
 112
 113         parent_class            = g_type_class_peek_parent (klass);
 114         gobject_class->finalize = modest_header_view_finalize;
 115
 116         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 117
 118         signals[HEADER_SELECTED_SIGNAL] =
 119                 g_signal_new ("header_selected",
 120                               G_TYPE_FROM_CLASS (gobject_class),
 121                               G_SIGNAL_RUN_FIRST,
 122                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 123                               NULL, NULL,
 124                               g_cclosure_marshal_VOID__POINTER,
 125                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 126
 127         signals[HEADER_ACTIVATED_SIGNAL] =
 128                 g_signal_new ("header_activated",
 129                               G_TYPE_FROM_CLASS (gobject_class),
 130                               G_SIGNAL_RUN_FIRST,
 131                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 132                               NULL, NULL,
 133                               g_cclosure_marshal_VOID__POINTER,
 134                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 135
 136
 137         signals[ITEM_NOT_FOUND_SIGNAL] =
 138                 g_signal_new ("item_not_found",
 139                               G_TYPE_FROM_CLASS (gobject_class),
 140                               G_SIGNAL_RUN_FIRST,
 141                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 142                               NULL, NULL,
 143                               g_cclosure_marshal_VOID__INT,
 144                               G_TYPE_NONE, 1, G_TYPE_INT);
 145
 146         signals[STATUS_UPDATE_SIGNAL] =
 147                 g_signal_new ("status_update",
 148                               G_TYPE_FROM_CLASS (gobject_class),
 149                               G_SIGNAL_RUN_FIRST,
 150                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 151                               NULL, NULL,
 152                               modest_marshal_VOID__STRING_INT_INT,
 153                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 154 }
 155
 156 static GtkTreeViewColumn*
 157 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 158                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 159                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 160 {
 161         GtkTreeViewColumn *column;
 162
 163         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 164         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 165
 166         gtk_tree_view_column_set_resizable (column, resizable);
 167         if (resizable)
 168                 gtk_tree_view_column_set_expand (column, TRUE);
 169
 170         if (show_as_text)
 171                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 172                                                     sort_col_id);
 173         if (sort_col_id >= 0)
 174                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 175
 176         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 177         gtk_tree_view_column_set_reorderable (column, TRUE);
 178
 179         if (cell_data_func)
 180                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 181                                                         user_data, NULL);
 182         return column;
 183 }
 184
 185
 186
 187
 188 static void
 189 remove_all_columns (ModestHeaderView *obj)
 190 {
 191         GList *columns, *cursor;
 192
 193         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 194
 195         for (cursor = columns; cursor; cursor = cursor->next)
 196                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 197                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 198         g_list_free (columns);
 199 }
 200
 201
 202
 203 gboolean
 204 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 205 {
 206         GtkTreeModel *sortable;
 207         GtkTreeViewColumn *column=NULL;
 208         GtkCellRenderer *renderer_msgtype,*renderer_header,
 209                 *renderer_attach;
 210         ModestHeaderViewPrivate *priv;
 211         const GList *cursor;
 212
 213         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 214
 215         /* FIXME: check whether these renderers need to be freed */
 216         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 217         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 218         renderer_header  = gtk_cell_renderer_text_new ();
 219
 220         remove_all_columns (self);
 221
 222         if (priv->headers)
 223                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 224         else
 225                 sortable = NULL;
 226
 227         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 228                 ModestHeaderViewColumn col =
 229                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 230
 231                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 232                         g_printerr ("modest: invalid column %d in column list\n", col);
 233                         continue;
 234                 }
 235
 236                 switch (col) {
 237
 238                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 239                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 240                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 241                                                  FALSE,
 242                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 243                                                  NULL);
 244                         gtk_tree_view_column_set_fixed_width (column, 45);
 245                         break;
 246
 247                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 248                         column = get_new_column (_("A"), renderer_attach, FALSE,
 249                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 250                                                  FALSE,
 251                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 252                                                  NULL);
 253                         gtk_tree_view_column_set_fixed_width (column, 45);
 254                         break;
 255
 256
 257                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 258                         column = get_new_column (_("From"), renderer_header, TRUE,
 259                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 260                                                  TRUE,
 261                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 262                                                  GINT_TO_POINTER(TRUE));
 263                         break;
 264
 265                 case MODEST_HEADER_VIEW_COLUMN_TO:
 266                         column = get_new_column (_("To"), renderer_header, TRUE,
 267                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 268                                                  TRUE,
 269                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 270                                                  GINT_TO_POINTER(FALSE));
 271                         break;
 272
 273                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 274                         column = get_new_column (_("Header"), renderer_header, TRUE,
 275                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 276                                                  TRUE,
 277                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 278                                                  GINT_TO_POINTER(TRUE));
 279                         break;
 280
 281                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 282                         column = get_new_column (_("Header"), renderer_header, TRUE,
 283                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 284                                                  TRUE,
 285                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 286                                                  GINT_TO_POINTER(FALSE));
 287                         break;
 288
 289
 290                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 291                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 292                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 293                                                  TRUE,
 294                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 295                                                  NULL);
 296                         break;
 297
 298                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 299                         column = get_new_column (_("Received"), renderer_header, TRUE,
 300                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 301                                                  TRUE,
 302                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 303                                                  GINT_TO_POINTER(TRUE));
 304                         break;
 305
 306                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 307                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 308                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 309                                                  TRUE,
 310                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 311                                                  GINT_TO_POINTER(FALSE));
 312                         break;
 313
 314                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 315                         column = get_new_column (_("Size"), renderer_header, TRUE,
 316                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 317                                                  FALSE,
 318                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 319                                                  NULL);
 320                         break;
 321
 322                 default:
 323                         g_return_val_if_reached(FALSE);
 324                 }
 325
 326                 if (sortable)
 327                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 328                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 329                                                          column, NULL);
 330
 331                 /* we keep the column id around */
 332                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 333                                    GINT_TO_POINTER(col));
 334
 335                 /* we need this ptr when sorting the rows */
 336                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 337                                    self);
 338                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 339         }
 340         return TRUE;
 341 }
 342
 343 static void
 344 modest_header_view_init (ModestHeaderView *obj)
 345 {
 346         ModestHeaderViewPrivate *priv;
 347
 348         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 349
 350         priv->lock = g_mutex_new ();
 351
 352 }
 353
 354 static void
 355 modest_header_view_finalize (GObject *obj)
 356 {
 357         ModestHeaderView        *self;
 358         ModestHeaderViewPrivate *priv;
 359         GtkTreeSelection        *sel;
 360
 361         self = MODEST_HEADER_VIEW(obj);
 362         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 363
 364         if (priv->headers)
 365                 g_object_unref (G_OBJECT(priv->headers));
 366
 367         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 368
 369         if (priv->lock) {
 370                 g_mutex_free (priv->lock);
 371                 priv->lock = NULL;
 372         }
 373
 374         priv->headers  = NULL;
 375         priv->folder   = NULL;
 376
 377         G_OBJECT_CLASS(parent_class)->finalize (obj);
 378 }
 379
 380
 381 GtkWidget*
 382 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 383 {
 384         GObject *obj;
 385         GtkTreeSelection *sel;
 386         ModestHeaderView *self;
 387         ModestHeaderViewPrivate *priv;
 388
 389         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 390                               NULL);
 391
 392         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 393         self = MODEST_HEADER_VIEW(obj);
 394         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 395
 396         modest_header_view_set_style   (self, style);
 397
 398         if (!modest_header_view_set_folder (self, NULL)) {
 399                 g_printerr ("modest: could not set the folder\n");
 400                 g_object_unref (obj);
 401                 return NULL;
 402         }
 403
 404         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 405         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 406         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 407
 408         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 409                                       TRUE); /* alternating row colors */
 410         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 411
 412         g_signal_connect (sel, "changed",
 413                           G_CALLBACK(on_selection_changed), self);
 414
 415         g_signal_connect (self, "button-press-event",
 416                           G_CALLBACK(on_header_clicked), NULL);
 417
 418         return GTK_WIDGET(self);
 419 }
 420
 421
 422 TnyList *
 423 modest_header_view_get_selected_headers (ModestHeaderView *self)
 424 {
 425         GtkTreeSelection *sel;
 426         ModestHeaderViewPrivate *priv;
 427         TnyList *header_list = NULL;
 428         TnyHeader *header;
 429         GList *list, *tmp = NULL;
 430         GtkTreeModel *tree_model = NULL;
 431         GtkTreeIter iter;
 432
 433         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 434
 435         /* Get selected rows */
 436         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 437         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 438
 439         if (list) {
 440                 header_list = tny_simple_list_new();
 441
 442                 list = g_list_reverse (list);
 443                 tmp = list;
 444                 while (tmp) {
 445                         /* get header from selection */
 446                         gtk_tree_model_get_iter (tree_model,
 447                                                  &iter,
 448                                                  (GtkTreePath *) (tmp->data));
 449
 450                         gtk_tree_model_get (tree_model, &iter,
 451                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 452                                             &header, -1);
 453
 454                         /* Prepend to list */
 455                         tny_list_prepend (header_list, G_OBJECT (header));
 456                         tmp = g_list_next (tmp);
 457                 }
 458                 /* Clean up*/
 459                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 460                 g_list_free (list);
 461         }
 462         return header_list;
 463 }
 464
 465 void
 466 modest_header_view_select_next (ModestHeaderView *self)
 467 {
 468         GtkTreeSelection *sel;
 469         GtkTreeIter iter;
 470         GtkTreeModel *model;
 471
 472         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 473         if (sel) {
 474                 gtk_tree_selection_get_selected (sel, &model, &iter);
 475                 gtk_tree_model_iter_next (model, &iter);
 476                 gtk_tree_selection_select_iter (sel, &iter);
 477         }
 478 }
 479 GList*
 480 modest_header_view_get_columns (ModestHeaderView *self)
 481 {
 482         g_return_val_if_fail (self, FALSE);
 483         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 484 }
 485
 486 gboolean
 487 modest_header_view_is_empty (ModestHeaderView *self)
 488 {
 489         g_return_val_if_fail (self, FALSE);
 490         return FALSE; /* FIXME */
 491 }
 492
 493
 494 gboolean
 495 modest_header_view_set_style (ModestHeaderView *self,
 496                               ModestHeaderViewStyle style)
 497 {
 498         ModestHeaderViewPrivate *priv;
 499         gboolean show_col_headers = FALSE;
 500         ModestHeaderViewStyle old_style;
 501
 502         g_return_val_if_fail (self, FALSE);
 503         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 504                               FALSE);
 505
 506         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 507         if (priv->style == style)
 508                 return TRUE; /* nothing to do */
 509
 510         switch (style) {
 511         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 512                 show_col_headers = TRUE;
 513                 break;
 514         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 515                 break;
 516         default:
 517                 g_return_val_if_reached (FALSE);
 518         }
 519         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 520         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 521
 522         old_style   = priv->style;
 523         priv->style = style;
 524
 525         return TRUE;
 526 }
 527
 528
 529 ModestHeaderViewStyle
 530 modest_header_view_get_style (ModestHeaderView *self)
 531 {
 532         g_return_val_if_fail (self, FALSE);
 533         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 534 }
 535
 536
 537 static void
 538 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 539                    gpointer user_data)
 540 {
 541         GtkTreeModel *sortable;
 542         ModestHeaderView *self;
 543         ModestHeaderViewPrivate *priv;
 544         GError *error = NULL;
 545
 546         if (cancelled)
 547                 return;
 548
 549         self = MODEST_HEADER_VIEW(user_data);
 550         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 551
 552         priv->folder = folder;
 553
 554         if (folder) { /* it's a new one or a refresh */
 555                 GList *cols, *cursor;
 556
 557                 if (priv->headers)
 558                         g_object_unref (priv->headers);
 559
 560                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 561                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 562                 if (error) {
 563                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 564                                        0, MODEST_ITEM_TYPE_MESSAGE);
 565                         g_print (error->message);
 566                         g_error_free (error);
 567                         return;
 568                 }
 569
 570                 tny_gtk_header_list_model_set_folder
 571                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 572
 573                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 574
 575                 /* install our special sorting functions */
 576                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 577                 while (cursor) {
 578                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 579                                                                          MODEST_HEADER_VIEW_COLUMN));
 580                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 581                                                          col_id,
 582                                                          (GtkTreeIterCompareFunc)cmp_rows,
 583                                                          cursor->data, NULL);
 584                         cursor = g_list_next(cursor);
 585                 }
 586                 g_list_free (cols);
 587                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 588         }
 589 }
 590
 591
 592 static void
 593 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 594                                  gint num, gint total,  gpointer user_data)
 595 {
 596         ModestHeaderView *self;
 597         ModestHeaderViewPrivate *priv;
 598
 599         self = MODEST_HEADER_VIEW(user_data);
 600         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 601
 602         /* FIXME: this is a hack ==> tinymail gives us this when
 603          * it has nothing better to do */
 604         if (num == 1 && total == 100)
 605                 return;
 606
 607         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 608                        0, msg, num, total);
 609 }
 610
 611
 612 TnyFolder*
 613 modest_header_view_get_folder (ModestHeaderView *self)
 614 {
 615         ModestHeaderViewPrivate *priv;
 616         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 617
 618         return priv->folder;
 619 }
 620
 621
 622 gboolean
 623 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 624 {
 625         ModestHeaderViewPrivate *priv;
 626         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 627
 628         priv->folder = folder;
 629
 630         if (folder)
 631                 tny_folder_refresh_async (folder,
 632                                           on_refresh_folder,
 633                                           on_refresh_folder_status_update,
 634                                           self);
 635
 636         /* no message selected */
 637         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 638                        NULL);
 639         return TRUE;
 640 }
 641
 642 static gboolean
 643 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 644 {
 645         ModestHeaderView *self;
 646         ModestHeaderViewPrivate *priv;
 647         GtkTreeIter iter;
 648         GtkTreeSelection *sel;
 649         GtkTreeModel *model;
 650         TnyHeader *header;
 651
 652         /* ignore everything but doubleclick */
 653         if (event->type != GDK_2BUTTON_PRESS)
 654                 return FALSE;
 655
 656         self = MODEST_HEADER_VIEW (widget);
 657         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 658
 659         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 660         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 661
 662         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 663                 return FALSE; /* msg was _un_selected */
 664
 665         /* get the first selected item */
 666         gtk_tree_model_get (model, &iter,
 667                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 668                             &header, -1);
 669         /* Emit signal */
 670         g_signal_emit (G_OBJECT(self),
 671                        signals[HEADER_ACTIVATED_SIGNAL],
 672                        0, header);
 673
 674         return TRUE;
 675 }
 676
 677
 678 static void
 679 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 680 {
 681         GtkTreeModel *model;
 682         TnyHeader *header;
 683         GtkTreeIter iter;
 684         ModestHeaderView *self;
 685         ModestHeaderViewPrivate *priv;
 686
 687         g_return_if_fail (sel);
 688         g_return_if_fail (user_data);
 689
 690         self = MODEST_HEADER_VIEW (user_data);
 691         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 692
 693         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 694                 return; /* msg was _un_selected */
 695
 696         gtk_tree_model_get (model, &iter,
 697                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 698                             &header, -1);
 699
 700         /* Emit signal */
 701         g_signal_emit (G_OBJECT(self),
 702                        signals[HEADER_SELECTED_SIGNAL],
 703                        0, header);
 704 }
 705
 706
 707 /* PROTECTED method. It's useful when we want to force a given
 708    selection to reload a msg. For example if we have selected a header
 709    in offline mode, when Modest become online, we want to reload the
 710    message automatically without an user click over the header */
 711 void
 712 _modest_header_view_change_selection (GtkTreeSelection *selection,
 713                                       gpointer user_data)
 714 {
 715         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 716         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 717
 718         on_selection_changed (selection, user_data);
 719 }
 720
 721
 722 static gint
 723 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 724           gpointer user_data)
 725 {
 726         gint col_id;
 727         gint t1, t2;
 728         gint val1, val2;
 729         gchar *s1, *s2;
 730         gint cmp;
 731
 732         static int counter = 0;
 733         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 734
 735         if (!(++counter % 100)) {
 736                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 737                                                          MODEST_HEADER_VIEW_PTR);
 738                 g_signal_emit (header_view,
 739                                signals[STATUS_UPDATE_SIGNAL],
 740                                0, _("Sorting..."), 0, 0);
 741         }
 742         switch (col_id) {
 743
 744                 /* first one, we decide based on the time */
 745         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 746         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 747
 748                 gtk_tree_model_get (tree_model, iter1,
 749                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 750                                     &t1,-1);
 751                 gtk_tree_model_get (tree_model, iter2,
 752                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 753                                     &t2,-1);
 754                 return t1 - t2;
 755
 756         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 757         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 758                 gtk_tree_model_get (tree_model, iter1,
 759                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 760                                     &t1,-1);
 761                 gtk_tree_model_get (tree_model, iter2,
 762                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 763                                     &t2,-1);
 764                 return t1 - t2;
 765
 766
 767                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 768                 /* FIXME: what about received-date? */
 769         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 770
 771                 gtk_tree_model_get (tree_model, iter1,
 772                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 773                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 774                                     -1);
 775                 gtk_tree_model_get (tree_model, iter2,
 776                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 777                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 778                                     -1);
 779
 780                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 781                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 782                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 783                                                      TRUE);
 784                 g_free (s1);
 785                 g_free (s2);
 786
 787                 return cmp ? cmp : t1 - t2;
 788         }
 789
 790         case MODEST_HEADER_VIEW_COLUMN_FROM:
 791
 792                 gtk_tree_model_get (tree_model, iter1,
 793                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 794                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 795                                     -1);
 796                 gtk_tree_model_get (tree_model, iter2,
 797                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 798                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 799                                     -1);
 800                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 801                 g_free (s1);
 802                 g_free (s2);
 803
 804                 return cmp ? cmp : t1 - t2;
 805
 806         case MODEST_HEADER_VIEW_COLUMN_TO:
 807
 808                 gtk_tree_model_get (tree_model, iter1,
 809                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 810                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 811                                     -1);
 812                 gtk_tree_model_get (tree_model, iter2,
 813                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 814                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 815                                     -1);
 816                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 817                 g_free (s1);
 818                 g_free (s2);
 819
 820                 return cmp ? cmp : t1 - t2;
 821
 822         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 823
 824                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 825                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 826                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 827                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 828
 829                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 830                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 831
 832                 return cmp ? cmp : t1 - t2;
 833
 834         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 835                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 836                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 837                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 838                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 839                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 840
 841                 return cmp ? cmp : t1 - t2;
 842
 843         default:
 844                 return &iter1 - &iter2; /* oughhhh  */
 845         }
 846 }