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
 360         self = MODEST_HEADER_VIEW(obj);
 361         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 362
 363         if (priv->headers)
 364                 g_object_unref (G_OBJECT(priv->headers));
 365
 366         if (priv->lock) {
 367                 g_mutex_free (priv->lock);
 368                 priv->lock = NULL;
 369         }
 370
 371         priv->headers  = NULL;
 372         priv->folder   = NULL;
 373
 374         G_OBJECT_CLASS(parent_class)->finalize (obj);
 375 }
 376
 377
 378 GtkWidget*
 379 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 380 {
 381         GObject *obj;
 382         GtkTreeSelection *sel;
 383         ModestHeaderView *self;
 384         ModestHeaderViewPrivate *priv;
 385
 386         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 387                               NULL);
 388
 389         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 390         self = MODEST_HEADER_VIEW(obj);
 391         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 392
 393         modest_header_view_set_style   (self, style);
 394         modest_header_view_set_folder (self, NULL);
 395
 396         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 397         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 398         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 399
 400         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 401                                       TRUE); /* alternating row colors */
 402         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 403
 404         g_signal_connect (sel, "changed",
 405                           G_CALLBACK(on_selection_changed), self);
 406
 407         g_signal_connect (self, "button-press-event",
 408                           G_CALLBACK(on_header_clicked), NULL);
 409
 410         return GTK_WIDGET(self);
 411 }
 412
 413
 414 TnyList *
 415 modest_header_view_get_selected_headers (ModestHeaderView *self)
 416 {
 417         GtkTreeSelection *sel;
 418         ModestHeaderViewPrivate *priv;
 419         TnyList *header_list = NULL;
 420         TnyHeader *header;
 421         GList *list, *tmp = NULL;
 422         GtkTreeModel *tree_model = NULL;
 423         GtkTreeIter iter;
 424
 425         g_return_val_if_fail (self, NULL);
 426
 427         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 428
 429         /* Get selected rows */
 430         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 431         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 432
 433         if (list) {
 434                 header_list = tny_simple_list_new();
 435
 436                 list = g_list_reverse (list);
 437                 tmp = list;
 438                 while (tmp) {
 439                         /* get header from selection */
 440                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 441                         gtk_tree_model_get (tree_model, &iter,
 442                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 443                                             &header, -1);
 444                         /* Prepend to list */
 445                         tny_list_prepend (header_list, G_OBJECT (header));
 446                         tmp = g_list_next (tmp);
 447                 }
 448                 /* Clean up*/
 449                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 450                 g_list_free (list);
 451         }
 452         return header_list;
 453 }
 454
 455
 456 /* scroll our list view so the selected item is visible */
 457 static void
 458 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 459 {
 460         GtkTreePath *selected_path;
 461         GtkTreePath *start, *end;
 462
 463         GtkTreeModel *model;
 464
 465         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 466         selected_path = gtk_tree_model_get_path (model, iter);
 467
 468         start = gtk_tree_path_new ();
 469         end   = gtk_tree_path_new ();
 470
 471         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 472
 473         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 474             gtk_tree_path_compare (end, selected_path) < 0)
 475                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 476                                               selected_path, NULL, TRUE,
 477                                               up ? 0.0 : 1.0,
 478                                               up ? 0.0 : 1.0);
 479         gtk_tree_path_free (selected_path);
 480         gtk_tree_path_free (start);
 481         gtk_tree_path_free (end);
 482 }
 483
 484
 485 void
 486 modest_header_view_select_next (ModestHeaderView *self)
 487 {
 488         GtkTreeSelection *sel;
 489         GtkTreeIter iter;
 490         GtkTreeModel *model;
 491
 492         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 493         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 494                 if (gtk_tree_model_iter_next (model, &iter)) {
 495                         gtk_tree_selection_select_iter (sel, &iter);
 496                         scroll_to_selected (self, &iter, FALSE);
 497                 }
 498         }
 499 }
 500
 501 void
 502 modest_header_view_select_prev (ModestHeaderView *self)
 503 {
 504         GtkTreeSelection *sel;
 505         GtkTreeIter iter;
 506         GtkTreeModel *model;
 507         GtkTreePath *path;
 508
 509         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 510         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 511                 path = gtk_tree_model_get_path (model, &iter);
 512
 513                 /* Move path up */
 514                 if (gtk_tree_path_prev (path)) {
 515                         gtk_tree_model_get_iter (model, &iter, path);
 516
 517                         /* Select the new one */
 518                         gtk_tree_selection_select_iter (sel, &iter);
 519                         scroll_to_selected (self, &iter, TRUE);
 520
 521                 }
 522                 gtk_tree_path_free (path);
 523         }
 524 }
 525
 526 GList*
 527 modest_header_view_get_columns (ModestHeaderView *self)
 528 {
 529         g_return_val_if_fail (self, FALSE);
 530         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 531 }
 532
 533 gboolean
 534 modest_header_view_is_empty (ModestHeaderView *self)
 535 {
 536         g_return_val_if_fail (self, FALSE);
 537         return FALSE; /* FIXME */
 538 }
 539
 540
 541 gboolean
 542 modest_header_view_set_style (ModestHeaderView *self,
 543                               ModestHeaderViewStyle style)
 544 {
 545         ModestHeaderViewPrivate *priv;
 546         gboolean show_col_headers = FALSE;
 547         ModestHeaderViewStyle old_style;
 548
 549         g_return_val_if_fail (self, FALSE);
 550         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 551                               FALSE);
 552
 553         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 554         if (priv->style == style)
 555                 return TRUE; /* nothing to do */
 556
 557         switch (style) {
 558         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 559                 show_col_headers = TRUE;
 560                 break;
 561         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 562                 break;
 563         default:
 564                 g_return_val_if_reached (FALSE);
 565         }
 566         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 567         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 568
 569         old_style   = priv->style;
 570         priv->style = style;
 571
 572         return TRUE;
 573 }
 574
 575
 576 ModestHeaderViewStyle
 577 modest_header_view_get_style (ModestHeaderView *self)
 578 {
 579         g_return_val_if_fail (self, FALSE);
 580         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 581 }
 582
 583
 584 static void
 585 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 586                    gpointer user_data)
 587 {
 588         GtkTreeModel *sortable;
 589         ModestHeaderView *self;
 590         ModestHeaderViewPrivate *priv;
 591         GError *error = NULL;
 592
 593         if (cancelled) {
 594                 GtkTreeSelection *selection;
 595
 596                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (user_data));
 597                 gtk_tree_selection_unselect_all (selection);
 598                 return;
 599         }
 600
 601         self = MODEST_HEADER_VIEW(user_data);
 602         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 603
 604         priv->folder = folder;
 605
 606         if (folder) { /* it's a new one or a refresh */
 607                 GList *cols, *cursor;
 608
 609                 if (priv->headers)
 610                         g_object_unref (priv->headers);
 611
 612                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 613                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 614                 if (error) {
 615                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 616                                        0, MODEST_ITEM_TYPE_MESSAGE);
 617                         g_print (error->message);
 618                         g_error_free (error);
 619                         return;
 620                 }
 621
 622                 tny_gtk_header_list_model_set_folder
 623                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 624
 625                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 626
 627                 /* install our special sorting functions */
 628                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 629                 while (cursor) {
 630                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 631                                                                          MODEST_HEADER_VIEW_COLUMN));
 632                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 633                                                          col_id,
 634                                                          (GtkTreeIterCompareFunc)cmp_rows,
 635                                                          cursor->data, NULL);
 636                         cursor = g_list_next(cursor);
 637                 }
 638                 g_list_free (cols);
 639                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 640         }
 641 }
 642
 643
 644 static void
 645 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 646                                  gint num, gint total,  gpointer user_data)
 647 {
 648         ModestHeaderView *self;
 649         ModestHeaderViewPrivate *priv;
 650
 651         self = MODEST_HEADER_VIEW(user_data);
 652         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 653
 654         /* FIXME: this is a hack ==> tinymail gives us this when
 655          * it has nothing better to do */
 656         if (num == 1 && total == 100)
 657                 return;
 658
 659         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 660                        0, msg, num, total);
 661 }
 662
 663
 664 TnyFolder*
 665 modest_header_view_get_folder (ModestHeaderView *self)
 666 {
 667         ModestHeaderViewPrivate *priv;
 668         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 669
 670         return priv->folder;
 671 }
 672
 673
 674 void
 675 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 676 {
 677         ModestHeaderViewPrivate *priv;
 678         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 679
 680         priv->folder = folder;
 681
 682         if (folder) {
 683                 tny_folder_refresh_async (folder,
 684                                           on_refresh_folder,
 685                                           on_refresh_folder_status_update,
 686                                           self);
 687
 688                 /* no message selected */
 689                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 690                                NULL);
 691         }
 692 }
 693
 694 static gboolean
 695 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 696 {
 697         ModestHeaderView *self;
 698         ModestHeaderViewPrivate *priv;
 699         GtkTreeIter iter;
 700         GtkTreeSelection *sel;
 701         GtkTreeModel *model;
 702         TnyHeader *header;
 703
 704         /* ignore everything but doubleclick */
 705         if (event->type != GDK_2BUTTON_PRESS)
 706                 return FALSE;
 707
 708         self = MODEST_HEADER_VIEW (widget);
 709         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 710
 711         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 712         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 713
 714         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 715                 return FALSE; /* msg was _un_selected */
 716
 717         /* get the first selected item */
 718         gtk_tree_model_get (model, &iter,
 719                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 720                             &header, -1);
 721         /* Emit signal */
 722         g_signal_emit (G_OBJECT(self),
 723                        signals[HEADER_ACTIVATED_SIGNAL],
 724                        0, header);
 725
 726         return TRUE;
 727 }
 728
 729
 730 static void
 731 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 732 {
 733         GtkTreeModel *model;
 734         TnyHeader *header;
 735         GtkTreeIter iter;
 736         ModestHeaderView *self;
 737         ModestHeaderViewPrivate *priv;
 738
 739         g_return_if_fail (sel);
 740         g_return_if_fail (user_data);
 741
 742         self = MODEST_HEADER_VIEW (user_data);
 743         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 744
 745         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 746                 return; /* msg was _un_selected */
 747
 748         gtk_tree_model_get (model, &iter,
 749                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 750                             &header, -1);
 751
 752         /* Emit signal */
 753         g_signal_emit (G_OBJECT(self),
 754                        signals[HEADER_SELECTED_SIGNAL],
 755                        0, header);
 756 }
 757
 758
 759 /* PROTECTED method. It's useful when we want to force a given
 760    selection to reload a msg. For example if we have selected a header
 761    in offline mode, when Modest become online, we want to reload the
 762    message automatically without an user click over the header */
 763 void
 764 _modest_header_view_change_selection (GtkTreeSelection *selection,
 765                                       gpointer user_data)
 766 {
 767         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 768         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 769
 770         on_selection_changed (selection, user_data);
 771 }
 772
 773
 774 static gint
 775 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 776           gpointer user_data)
 777 {
 778         gint col_id;
 779         gint t1, t2;
 780         gint val1, val2;
 781         gchar *s1, *s2;
 782         gint cmp;
 783
 784         static int counter = 0;
 785         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 786
 787         if (!(++counter % 100)) {
 788                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 789                                                          MODEST_HEADER_VIEW_PTR);
 790                 g_signal_emit (header_view,
 791                                signals[STATUS_UPDATE_SIGNAL],
 792                                0, _("Sorting..."), 0, 0);
 793         }
 794         switch (col_id) {
 795
 796                 /* first one, we decide based on the time */
 797         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 798         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 799
 800                 gtk_tree_model_get (tree_model, iter1,
 801                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 802                                     &t1,-1);
 803                 gtk_tree_model_get (tree_model, iter2,
 804                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 805                                     &t2,-1);
 806                 return t1 - t2;
 807
 808         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 809         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 810                 gtk_tree_model_get (tree_model, iter1,
 811                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 812                                     &t1,-1);
 813                 gtk_tree_model_get (tree_model, iter2,
 814                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 815                                     &t2,-1);
 816                 return t1 - t2;
 817
 818
 819                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 820                 /* FIXME: what about received-date? */
 821         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 822
 823                 gtk_tree_model_get (tree_model, iter1,
 824                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 825                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 826                                     -1);
 827                 gtk_tree_model_get (tree_model, iter2,
 828                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 829                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 830                                     -1);
 831
 832                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 833                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 834                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 835                                                      TRUE);
 836                 g_free (s1);
 837                 g_free (s2);
 838
 839                 return cmp ? cmp : t1 - t2;
 840         }
 841
 842         case MODEST_HEADER_VIEW_COLUMN_FROM:
 843
 844                 gtk_tree_model_get (tree_model, iter1,
 845                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 846                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 847                                     -1);
 848                 gtk_tree_model_get (tree_model, iter2,
 849                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 850                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 851                                     -1);
 852                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 853                 g_free (s1);
 854                 g_free (s2);
 855
 856                 return cmp ? cmp : t1 - t2;
 857
 858         case MODEST_HEADER_VIEW_COLUMN_TO:
 859
 860                 gtk_tree_model_get (tree_model, iter1,
 861                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 862                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 863                                     -1);
 864                 gtk_tree_model_get (tree_model, iter2,
 865                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 866                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 867                                     -1);
 868                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 869                 g_free (s1);
 870                 g_free (s2);
 871
 872                 return cmp ? cmp : t1 - t2;
 873
 874         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 875
 876                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 877                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 878                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 879                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 880
 881                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 882                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 883
 884                 return cmp ? cmp : t1 - t2;
 885
 886         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 887                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 888                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 889                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 890                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 891                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 892
 893                 return cmp ? cmp : t1 - t2;
 894
 895         default:
 896                 return &iter1 - &iter2; /* oughhhh  */
 897         }
 898 }