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         modest_header_view_set_folder (self, NULL);
 398
 399         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 400         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 401         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 402
 403         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 404                                       TRUE); /* alternating row colors */
 405         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 406
 407         g_signal_connect (sel, "changed",
 408                           G_CALLBACK(on_selection_changed), self);
 409
 410         g_signal_connect (self, "button-press-event",
 411                           G_CALLBACK(on_header_clicked), NULL);
 412
 413         return GTK_WIDGET(self);
 414 }
 415
 416
 417 TnyList *
 418 modest_header_view_get_selected_headers (ModestHeaderView *self)
 419 {
 420         GtkTreeSelection *sel;
 421         ModestHeaderViewPrivate *priv;
 422         TnyList *header_list = NULL;
 423         TnyHeader *header;
 424         GList *list, *tmp = NULL;
 425         GtkTreeModel *tree_model = NULL;
 426         GtkTreeIter iter;
 427
 428         g_return_val_if_fail (self, NULL);
 429
 430         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 431
 432         /* Get selected rows */
 433         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 434         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 435
 436         if (list) {
 437                 header_list = tny_simple_list_new();
 438
 439                 list = g_list_reverse (list);
 440                 tmp = list;
 441                 while (tmp) {
 442                         /* get header from selection */
 443                         gtk_tree_model_get_iter (tree_model,
 444                                                  &iter,
 445                                                  (GtkTreePath *) (tmp->data));
 446
 447                         gtk_tree_model_get (tree_model, &iter,
 448                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 449                                             &header, -1);
 450
 451                         /* Prepend to list */
 452                         tny_list_prepend (header_list, G_OBJECT (header));
 453                         tmp = g_list_next (tmp);
 454                 }
 455                 /* Clean up*/
 456                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 457                 g_list_free (list);
 458         }
 459         return header_list;
 460 }
 461
 462 void
 463 modest_header_view_select_next (ModestHeaderView *self)
 464 {
 465         GtkTreeSelection *sel;
 466         GtkTreeIter iter;
 467         GtkTreeModel *model;
 468
 469         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 470         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 471                 if (gtk_tree_model_iter_next (model, &iter))
 472                         gtk_tree_selection_select_iter (sel, &iter);
 473         }
 474 }
 475
 476 void
 477 modest_header_view_select_prev (ModestHeaderView *self)
 478 {
 479         GtkTreeSelection *sel;
 480         GtkTreeIter iter;
 481         GtkTreeModel *model;
 482         GtkTreePath *path;
 483
 484         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 485         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 486                 path = gtk_tree_model_get_path (model, &iter);
 487
 488                 /* Move path up */
 489                 if (gtk_tree_path_prev (path)) {
 490                         gtk_tree_model_get_iter (model, &iter, path);
 491
 492                         /* Select the new one */
 493                         gtk_tree_selection_select_iter (sel, &iter);
 494                 }
 495                 gtk_tree_path_free (path);
 496         }
 497 }
 498
 499 GList*
 500 modest_header_view_get_columns (ModestHeaderView *self)
 501 {
 502         g_return_val_if_fail (self, FALSE);
 503         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 504 }
 505
 506 gboolean
 507 modest_header_view_is_empty (ModestHeaderView *self)
 508 {
 509         g_return_val_if_fail (self, FALSE);
 510         return FALSE; /* FIXME */
 511 }
 512
 513
 514 gboolean
 515 modest_header_view_set_style (ModestHeaderView *self,
 516                               ModestHeaderViewStyle style)
 517 {
 518         ModestHeaderViewPrivate *priv;
 519         gboolean show_col_headers = FALSE;
 520         ModestHeaderViewStyle old_style;
 521
 522         g_return_val_if_fail (self, FALSE);
 523         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 524                               FALSE);
 525
 526         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 527         if (priv->style == style)
 528                 return TRUE; /* nothing to do */
 529
 530         switch (style) {
 531         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 532                 show_col_headers = TRUE;
 533                 break;
 534         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 535                 break;
 536         default:
 537                 g_return_val_if_reached (FALSE);
 538         }
 539         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 540         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 541
 542         old_style   = priv->style;
 543         priv->style = style;
 544
 545         return TRUE;
 546 }
 547
 548
 549 ModestHeaderViewStyle
 550 modest_header_view_get_style (ModestHeaderView *self)
 551 {
 552         g_return_val_if_fail (self, FALSE);
 553         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 554 }
 555
 556
 557 static void
 558 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 559                    gpointer user_data)
 560 {
 561         GtkTreeModel *sortable;
 562         ModestHeaderView *self;
 563         ModestHeaderViewPrivate *priv;
 564         GError *error = NULL;
 565
 566         if (cancelled) {
 567                 GtkTreeSelection *selection;
 568
 569                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (user_data));
 570                 gtk_tree_selection_unselect_all (selection);
 571                 return;
 572         }
 573
 574         self = MODEST_HEADER_VIEW(user_data);
 575         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 576
 577         priv->folder = folder;
 578
 579         if (folder) { /* it's a new one or a refresh */
 580                 GList *cols, *cursor;
 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         /* FIXME: this is a hack ==> tinymail gives us this when
 628          * it has nothing better to do */
 629         if (num == 1 && total == 100)
 630                 return;
 631
 632         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 633                        0, msg, num, total);
 634 }
 635
 636
 637 TnyFolder*
 638 modest_header_view_get_folder (ModestHeaderView *self)
 639 {
 640         ModestHeaderViewPrivate *priv;
 641         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 642
 643         return priv->folder;
 644 }
 645
 646
 647 void
 648 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 649 {
 650         ModestHeaderViewPrivate *priv;
 651         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 652
 653         priv->folder = folder;
 654
 655         if (folder) {
 656                 tny_folder_refresh_async (folder,
 657                                           on_refresh_folder,
 658                                           on_refresh_folder_status_update,
 659                                           self);
 660
 661                 /* no message selected */
 662                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 663                                NULL);
 664         }
 665 }
 666
 667 static gboolean
 668 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 669 {
 670         ModestHeaderView *self;
 671         ModestHeaderViewPrivate *priv;
 672         GtkTreeIter iter;
 673         GtkTreeSelection *sel;
 674         GtkTreeModel *model;
 675         TnyHeader *header;
 676
 677         /* ignore everything but doubleclick */
 678         if (event->type != GDK_2BUTTON_PRESS)
 679                 return FALSE;
 680
 681         self = MODEST_HEADER_VIEW (widget);
 682         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 683
 684         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 685         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 686
 687         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 688                 return FALSE; /* msg was _un_selected */
 689
 690         /* get the first selected item */
 691         gtk_tree_model_get (model, &iter,
 692                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 693                             &header, -1);
 694         /* Emit signal */
 695         g_signal_emit (G_OBJECT(self),
 696                        signals[HEADER_ACTIVATED_SIGNAL],
 697                        0, header);
 698
 699         return TRUE;
 700 }
 701
 702
 703 static void
 704 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 705 {
 706         GtkTreeModel *model;
 707         TnyHeader *header;
 708         GtkTreeIter iter;
 709         ModestHeaderView *self;
 710         ModestHeaderViewPrivate *priv;
 711
 712         g_return_if_fail (sel);
 713         g_return_if_fail (user_data);
 714
 715         self = MODEST_HEADER_VIEW (user_data);
 716         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 717
 718         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 719                 return; /* msg was _un_selected */
 720
 721         gtk_tree_model_get (model, &iter,
 722                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 723                             &header, -1);
 724
 725         /* Emit signal */
 726         g_signal_emit (G_OBJECT(self),
 727                        signals[HEADER_SELECTED_SIGNAL],
 728                        0, header);
 729 }
 730
 731
 732 /* PROTECTED method. It's useful when we want to force a given
 733    selection to reload a msg. For example if we have selected a header
 734    in offline mode, when Modest become online, we want to reload the
 735    message automatically without an user click over the header */
 736 void
 737 _modest_header_view_change_selection (GtkTreeSelection *selection,
 738                                       gpointer user_data)
 739 {
 740         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 741         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 742
 743         on_selection_changed (selection, user_data);
 744 }
 745
 746
 747 static gint
 748 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 749           gpointer user_data)
 750 {
 751         gint col_id;
 752         gint t1, t2;
 753         gint val1, val2;
 754         gchar *s1, *s2;
 755         gint cmp;
 756
 757         static int counter = 0;
 758         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 759
 760         if (!(++counter % 100)) {
 761                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 762                                                          MODEST_HEADER_VIEW_PTR);
 763                 g_signal_emit (header_view,
 764                                signals[STATUS_UPDATE_SIGNAL],
 765                                0, _("Sorting..."), 0, 0);
 766         }
 767         switch (col_id) {
 768
 769                 /* first one, we decide based on the time */
 770         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 771         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 772
 773                 gtk_tree_model_get (tree_model, iter1,
 774                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 775                                     &t1,-1);
 776                 gtk_tree_model_get (tree_model, iter2,
 777                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 778                                     &t2,-1);
 779                 return t1 - t2;
 780
 781         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 782         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 783                 gtk_tree_model_get (tree_model, iter1,
 784                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 785                                     &t1,-1);
 786                 gtk_tree_model_get (tree_model, iter2,
 787                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 788                                     &t2,-1);
 789                 return t1 - t2;
 790
 791
 792                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 793                 /* FIXME: what about received-date? */
 794         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 795
 796                 gtk_tree_model_get (tree_model, iter1,
 797                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 798                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 799                                     -1);
 800                 gtk_tree_model_get (tree_model, iter2,
 801                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 802                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 803                                     -1);
 804
 805                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 806                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 807                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 808                                                      TRUE);
 809                 g_free (s1);
 810                 g_free (s2);
 811
 812                 return cmp ? cmp : t1 - t2;
 813         }
 814
 815         case MODEST_HEADER_VIEW_COLUMN_FROM:
 816
 817                 gtk_tree_model_get (tree_model, iter1,
 818                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 819                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 820                                     -1);
 821                 gtk_tree_model_get (tree_model, iter2,
 822                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 823                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 824                                     -1);
 825                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 826                 g_free (s1);
 827                 g_free (s2);
 828
 829                 return cmp ? cmp : t1 - t2;
 830
 831         case MODEST_HEADER_VIEW_COLUMN_TO:
 832
 833                 gtk_tree_model_get (tree_model, iter1,
 834                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 835                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 836                                     -1);
 837                 gtk_tree_model_get (tree_model, iter2,
 838                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 839                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 840                                     -1);
 841                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 842                 g_free (s1);
 843                 g_free (s2);
 844
 845                 return cmp ? cmp : t1 - t2;
 846
 847         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 848
 849                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 850                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 851                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 852                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 853
 854                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 855                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 856
 857                 return cmp ? cmp : t1 - t2;
 858
 859         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 860                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 861                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 862                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 863                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 864                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 865
 866                 return cmp ? cmp : t1 - t2;
 867
 868         default:
 869                 return &iter1 - &iter2; /* oughhhh  */
 870         }
 871 }