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

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <glib/gi18n.h>
  31 #include <tny-list.h>
  32 #include <tny-simple-list.h>
  33 #include <string.h>
  34
  35 #include <modest-header-view.h>
  36 #include <modest-header-view-priv.h>
  37
  38 #include <modest-marshal.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-icon-factory.h>
  42
  43 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  44 static void modest_header_view_init        (ModestHeaderView *obj);
  45 static void modest_header_view_finalize    (GObject *obj);
  46
  47 static void on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  48
  49 static gint cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
  50                       gpointer user_data);
  51
  52 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  53
  54 enum {
  55         HEADER_SELECTED_SIGNAL,
  56         ITEM_NOT_FOUND_SIGNAL,
  57         STATUS_UPDATE_SIGNAL,
  58         LAST_SIGNAL
  59 };
  60
  61
  62 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  63 struct _ModestHeaderViewPrivate {
  64         TnyFolder            *folder;
  65         TnyList              *headers;
  66         GMutex               *lock;
  67         ModestHeaderViewStyle style;
  68         gulong                sig1;
  69         ModestHeaderViewState state;
  70 };
  71
  72 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  73                                                 MODEST_TYPE_HEADER_VIEW, \
  74                                                 ModestHeaderViewPrivate))
  75
  76 /* globals */
  77 static GObjectClass *parent_class = NULL;
  78
  79 /* uncomment the following if you have defined any signals */
  80 static guint signals[LAST_SIGNAL] = {0};
  81
  82 GType
  83 modest_header_view_get_type (void)
  84 {
  85         static GType my_type = 0;
  86         if (!my_type) {
  87                 static const GTypeInfo my_info = {
  88                         sizeof(ModestHeaderViewClass),
  89                         NULL,           /* base init */
  90                         NULL,           /* base finalize */
  91                         (GClassInitFunc) modest_header_view_class_init,
  92                         NULL,           /* class finalize */
  93                         NULL,           /* class data */
  94                         sizeof(ModestHeaderView),
  95                         1,              /* n_preallocs */
  96                         (GInstanceInitFunc) modest_header_view_init,
  97                         NULL
  98                 };
  99                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 100                                                   "ModestHeaderView",
 101                                                   &my_info, 0);
 102         }
 103         return my_type;
 104 }
 105
 106 static void
 107 modest_header_view_class_init (ModestHeaderViewClass *klass)
 108 {
 109         GObjectClass *gobject_class;
 110         gobject_class = (GObjectClass*) klass;
 111
 112         parent_class            = g_type_class_peek_parent (klass);
 113         gobject_class->finalize = modest_header_view_finalize;
 114
 115         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 116
 117         signals[HEADER_SELECTED_SIGNAL] =
 118                 g_signal_new ("header_selected",
 119                               G_TYPE_FROM_CLASS (gobject_class),
 120                               G_SIGNAL_RUN_FIRST,
 121                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 122                               NULL, NULL,
 123                               g_cclosure_marshal_VOID__POINTER,
 124                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 125
 126         signals[ITEM_NOT_FOUND_SIGNAL] =
 127                 g_signal_new ("item_not_found",
 128                               G_TYPE_FROM_CLASS (gobject_class),
 129                               G_SIGNAL_RUN_FIRST,
 130                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 131                               NULL, NULL,
 132                               g_cclosure_marshal_VOID__INT,
 133                               G_TYPE_NONE, 1, G_TYPE_INT);
 134
 135         signals[STATUS_UPDATE_SIGNAL] =
 136                 g_signal_new ("status_update",
 137                               G_TYPE_FROM_CLASS (gobject_class),
 138                               G_SIGNAL_RUN_FIRST,
 139                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 140                               NULL, NULL,
 141                               modest_marshal_VOID__STRING_INT_INT,
 142                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 143 }
 144
 145
 146
 147
 148
 149
 150
 151 static GtkTreeViewColumn*
 152 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 153                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 154                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 155 {
 156         GtkTreeViewColumn *column;
 157
 158         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 159         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 160
 161         gtk_tree_view_column_set_resizable (column, resizable);
 162         if (resizable) {
 163                 gtk_tree_view_column_set_min_width (column, 100);
 164                 //gtk_tree_view_column_set_expand (column, TRUE);
 165         }
 166
 167         if (show_as_text)
 168                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 169                                                     sort_col_id);
 170         if (sort_col_id >= 0)
 171                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 172
 173         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 174         gtk_tree_view_column_set_reorderable (column, TRUE);
 175
 176         if (cell_data_func)
 177                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 178                                                         user_data, NULL);
 179         return column;
 180 }
 181
 182
 183
 184
 185 static void
 186 remove_all_columns (ModestHeaderView *obj)
 187 {
 188         GList *columns, *cursor;
 189
 190         gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
 191
 192         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 193
 194         for (cursor = columns; cursor; cursor = cursor->next)
 195                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 196                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 197         g_list_free (columns);
 198 }
 199
 200
 201
 202 static gboolean
 203 set_empty (ModestHeaderView *self)
 204 {
 205         ModestHeaderViewPrivate *priv;
 206         GtkTreeViewColumn *column;
 207         GtkListStore *store;
 208         GtkTreeIter iter;
 209         GtkCellRenderer* renderer;
 210
 211         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 212         remove_all_columns (self);
 213
 214         store = gtk_list_store_new (1, G_TYPE_STRING);
 215         gtk_list_store_append (store, &iter);
 216         gtk_list_store_set (store, &iter, 0, _("(No items in this folder)"), -1);
 217
 218         renderer = gtk_cell_renderer_text_new ();
 219         g_object_set (G_OBJECT(renderer), "weight", 800, NULL);
 220
 221         column = gtk_tree_view_column_new_with_attributes ("", renderer, "text", 0, NULL);
 222
 223         gtk_tree_view_column_set_resizable (column, FALSE);
 224         gtk_tree_view_column_set_alignment (column, 0.5);
 225         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 226         gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 227
 228         gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 229         g_object_unref (store);
 230
 231         priv->state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 232         return TRUE;
 233 }
 234
 235
 236
 237 ModestHeaderViewState
 238 modest_header_view_get_state (ModestHeaderView *self)
 239 {
 240         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
 241
 242         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 243 }
 244
 245
 246 static void
 247 set_state (ModestHeaderView *self, ModestHeaderViewState state)
 248 {
 249         ModestHeaderViewState oldstate =
 250                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 251
 252         if (oldstate != state) {
 253                 if ((oldstate & MODEST_HEADER_VIEW_STATE_IS_EMPTY) !=
 254                     (state & MODEST_HEADER_VIEW_STATE_IS_EMPTY))
 255                         set_empty (self);
 256
 257                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state = state;
 258                 /* FIXME: emit signal if the state changed*/
 259         }
 260 }
 261
 262
 263 static void
 264 update_state (ModestHeaderView *self)
 265 {
 266         GtkTreePath *path;
 267         GtkTreeSelection *sel;
 268         ModestHeaderViewState state = 0;
 269         ModestHeaderViewPrivate *priv;
 270
 271         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 272
 273         if (!priv->folder || tny_folder_get_all_count(priv->folder) == 0)
 274                 state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 275         else {
 276                 gtk_tree_view_get_cursor (GTK_TREE_VIEW(self), &path, NULL);
 277                 if (path) {
 278                         GtkTreePath *path2;
 279
 280                         state |= MODEST_HEADER_VIEW_STATE_HAS_CURSOR;
 281                         path2= gtk_tree_path_copy (path);
 282
 283                         gtk_tree_path_next (path);
 284                         if (gtk_tree_path_compare (path, path2) != 0)
 285                                 state |= MODEST_HEADER_VIEW_STATE_AT_LAST_ITEM;
 286
 287                         if (!gtk_tree_path_prev (path2))
 288                                 state |= MODEST_HEADER_VIEW_STATE_AT_FIRST_ITEM;
 289
 290                         gtk_tree_path_free (path);
 291                         gtk_tree_path_free (path2);
 292                 }
 293
 294                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(self));
 295                 if (sel) {
 296                         state |= MODEST_HEADER_VIEW_STATE_HAS_SELECTION;
 297                         if (gtk_tree_selection_count_selected_rows (sel) > 1)
 298                                 state |= MODEST_HEADER_VIEW_STATE_HAS_MULTIPLE_SELECTION;
 299                 }
 300         }
 301
 302         set_state (self, state);
 303 }
 304
 305
 306
 307 gboolean
 308 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 309 {
 310         GtkTreeViewColumn *column=NULL;
 311         GtkCellRenderer *renderer_msgtype,
 312                 *renderer_header,
 313                 *renderer_attach;
 314
 315         ModestHeaderViewPrivate *priv;
 316         const GList *cursor;
 317
 318         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 319
 320         /* FIXME: check whether these renderers need to be freed */
 321         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 322         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 323         renderer_header  = gtk_cell_renderer_text_new ();
 324
 325         remove_all_columns (self);
 326
 327         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 328                 ModestHeaderViewColumn col =
 329                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 330
 331                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 332                         g_printerr ("modest: invalid column %d in column list\n", col);
 333                         continue;
 334                 }
 335
 336                 switch (col) {
 337
 338                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 339                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 340                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 341                                                  FALSE,
 342                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 343                                                  NULL);
 344                         gtk_tree_view_column_set_fixed_width (column, 32);
 345                         break;
 346
 347                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 348                         column = get_new_column (_("A"), renderer_attach, FALSE,
 349                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 350                                                  FALSE,
 351                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 352                                                  NULL);
 353                         gtk_tree_view_column_set_fixed_width (column, 32);
 354                         break;
 355
 356
 357                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 358                         column = get_new_column (_("From"), renderer_header, TRUE,
 359                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 360                                                  TRUE,
 361                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 362                                                  GINT_TO_POINTER(TRUE));
 363                         break;
 364
 365                 case MODEST_HEADER_VIEW_COLUMN_TO:
 366                         column = get_new_column (_("To"), renderer_header, TRUE,
 367                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 368                                                  TRUE,
 369                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 370                                                  GINT_TO_POINTER(FALSE));
 371                         break;
 372
 373                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 374                         column = get_new_column (_("Header"), renderer_header, TRUE,
 375                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 376                                                  TRUE,
 377                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 378                                                  GINT_TO_POINTER(TRUE));
 379                         break;
 380
 381                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 382                         column = get_new_column (_("Header"), renderer_header, TRUE,
 383                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 384                                                  TRUE,
 385                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 386                                                  GINT_TO_POINTER(FALSE));
 387                         break;
 388
 389
 390                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 391                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 392                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 393                                                  TRUE,
 394                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 395                                                  NULL);
 396                         break;
 397
 398                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 399                         column = get_new_column (_("Received"), renderer_header, TRUE,
 400                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 401                                                  TRUE,
 402                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 403                                                  NULL);
 404                         break;
 405
 406                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 407                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 408                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 409                                                  TRUE,
 410                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 411                                                  NULL);
 412                         break;
 413
 414                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 415                         column = get_new_column (_("Size"), renderer_header, TRUE,
 416                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 417                                                  TRUE,
 418                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 419                                                  NULL);
 420                         break;
 421                 default:
 422                         g_return_val_if_reached(FALSE);
 423                 }
 424
 425                 /* we keep the column id around */
 426                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 427                                    GINT_TO_POINTER(col));
 428
 429                 /* we need this ptr when sorting the rows */
 430                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 431                                    self);
 432
 433                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 434         }
 435         return TRUE;
 436 }
 437
 438
 439
 440 static void
 441 modest_header_view_init (ModestHeaderView *obj)
 442 {
 443         ModestHeaderViewPrivate *priv;
 444         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 445
 446         priv->lock = g_mutex_new ();
 447         priv->sig1 = 0;
 448 }
 449
 450 static void
 451 modest_header_view_finalize (GObject *obj)
 452 {
 453         ModestHeaderView        *self;
 454         ModestHeaderViewPrivate *priv;
 455         GtkTreeSelection        *sel;
 456
 457         self = MODEST_HEADER_VIEW(obj);
 458         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 459
 460         if (priv->headers)
 461                 g_object_unref (G_OBJECT(priv->headers));
 462
 463         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 464
 465         if (sel && priv->sig1 != 0) {
 466                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 467                 priv->sig1 = 0;
 468         }
 469
 470         if (priv->lock) {
 471                 g_mutex_free (priv->lock);
 472                 priv->lock = NULL;
 473         }
 474
 475         priv->headers  = NULL;
 476         priv->folder   = NULL;
 477
 478         G_OBJECT_CLASS(parent_class)->finalize (obj);
 479 }
 480
 481 GtkWidget*
 482 modest_header_view_new (TnyFolder *folder, const GList *columns,
 483                         ModestHeaderViewStyle style)
 484 {
 485         GObject *obj;
 486         GtkTreeSelection *sel;
 487         ModestHeaderView *self;
 488         ModestHeaderViewPrivate *priv;
 489
 490         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 491         self = MODEST_HEADER_VIEW(obj);
 492         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 493
 494         modest_header_view_set_style   (self, style);
 495         modest_header_view_set_columns (self, columns);
 496
 497         if (!modest_header_view_set_folder (self, NULL)) {
 498                 g_warning ("could not set the folder");
 499                 g_object_unref (obj);
 500                 return NULL;
 501         }
 502
 503         /* all cols */
 504         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 505         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 506
 507         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 508                                       TRUE); /* alternating row colors */
 509
 510         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 511
 512         priv->sig1 = g_signal_connect (sel, "changed",
 513                                        G_CALLBACK(on_selection_changed), self);
 514         return GTK_WIDGET(self);
 515 }
 516
 517
 518 TnyList *
 519 modest_header_view_get_selected_headers (ModestHeaderView *self)
 520 {
 521         GtkTreeSelection *sel;
 522         ModestHeaderViewPrivate *priv;
 523         TnyList *header_list = NULL;
 524         TnyHeader *header;
 525         GList *list, *tmp = NULL;
 526         GtkTreeModel *tree_model = NULL;
 527         GtkTreeIter iter;
 528
 529         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 530
 531         /* Get selected rows */
 532         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 533         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 534
 535         if (list) {
 536                 header_list = tny_simple_list_new();
 537
 538                 list = g_list_reverse (list);
 539                 tmp = list;
 540                 while (tmp) {
 541                         /* get header from selection */
 542                         gtk_tree_model_get_iter (tree_model,
 543                                                  &iter,
 544                                                  (GtkTreePath *) (tmp->data));
 545
 546                         gtk_tree_model_get (tree_model, &iter,
 547                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 548                                             &header, -1);
 549
 550                         /* Prepend to list */
 551                         tny_list_prepend (header_list, G_OBJECT (header));
 552                         tmp = g_list_next (tmp);
 553                 }
 554                 /* Clean up*/
 555                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 556                 g_list_free (list);
 557         }
 558         return header_list;
 559 }
 560
 561 void
 562 modest_header_view_select_next (ModestHeaderView *self)
 563 {
 564         GtkTreeSelection *sel;
 565         GtkTreeIter iter;
 566         GtkTreeModel *model;
 567
 568         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 569         if (sel) {
 570                 gtk_tree_selection_get_selected (sel, &model, &iter);
 571                 gtk_tree_model_iter_next (model, &iter);
 572                 gtk_tree_selection_select_iter (sel, &iter);
 573         }
 574 }
 575
 576 GList*
 577 modest_header_view_get_columns (ModestHeaderView *self)
 578 {
 579         g_return_val_if_fail (self, FALSE);
 580         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 581 }
 582
 583 gboolean
 584 modest_header_view_set_style (ModestHeaderView *self,
 585                               ModestHeaderViewStyle style)
 586 {
 587         g_return_val_if_fail (self, FALSE);
 588
 589         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 590
 591         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
 592                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 593         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
 594                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 595
 596         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
 597         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
 598                                       TRUE); /* alternating row colors */
 599
 600         return TRUE;
 601 }
 602
 603
 604 ModestHeaderViewStyle
 605 modest_header_view_get_style (ModestHeaderView *self)
 606 {
 607         g_return_val_if_fail (self, FALSE);
 608
 609         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 610 }
 611
 612
 613 static void
 614 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 615                    gpointer user_data)
 616 {
 617         GtkTreeModel *sortable;
 618         ModestHeaderView *self;
 619         ModestHeaderViewPrivate *priv;
 620         GError *error = NULL;
 621
 622         if (cancelled)
 623                 return;
 624
 625         self = MODEST_HEADER_VIEW(user_data);
 626         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 627
 628         priv->folder = folder;
 629         update_state (self);
 630
 631         if (!folder || priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 632                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 633         else { /* it's a new one or a refresh */
 634                 GList *cols, *cursor;
 635
 636                 if (priv->headers)
 637                         g_object_unref (priv->headers);
 638
 639                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 640                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 641                 if (error) {
 642                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 643                                        0, MODEST_ITEM_TYPE_MESSAGE);
 644                         g_print (error->message);
 645                         g_error_free (error);
 646                         return;
 647                 }
 648
 649                 tny_gtk_header_list_model_set_folder
 650                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 651
 652                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 653
 654                 /* install our special sorting functions */
 655                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 656                 while (cursor) {
 657                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 658                                                                          MODEST_HEADER_VIEW_COLUMN));
 659                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 660                                                          col_id,
 661                                                          (GtkTreeIterCompareFunc)cmp_rows,
 662                                                          cursor->data, NULL);
 663                         cursor = g_list_next(cursor);
 664                 }
 665                 g_list_free (cols);
 666
 667                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 668                 modest_header_view_set_style (self, priv->style);
 669         }
 670 }
 671
 672
 673 static void
 674 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 675                                  gint num, gint total,  gpointer user_data)
 676 {
 677         ModestHeaderView *self;
 678         ModestHeaderViewPrivate *priv;
 679
 680         self = MODEST_HEADER_VIEW(user_data);
 681         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 682
 683         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 684                        0, msg, num, total);
 685 }
 686
 687
 688 TnyFolder*
 689 modest_header_view_get_folder (ModestHeaderView *self)
 690 {
 691         ModestHeaderViewPrivate *priv;
 692         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 693
 694         return priv->folder;
 695 }
 696
 697
 698 gboolean
 699 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 700 {
 701         ModestHeaderViewPrivate *priv;
 702         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 703
 704         priv->folder = folder;
 705
 706         if (!folder)  {/* when there is no folder */
 707                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 708                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 709         } else { /* it's a new one or a refresh */
 710                 tny_folder_refresh_async (folder,
 711                                           on_refresh_folder,
 712                                           on_refresh_folder_status_update,
 713                                           self);
 714         }
 715
 716         /* no message selected */
 717         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 718                        NULL);
 719         return TRUE;
 720 }
 721
 722 static void
 723 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 724 {
 725         GtkTreeModel *model;
 726         TnyHeader *header;
 727         GtkTreeIter iter;
 728         ModestHeaderView *self;
 729         ModestHeaderViewPrivate *priv;
 730
 731         g_return_if_fail (sel);
 732         g_return_if_fail (user_data);
 733
 734         self = MODEST_HEADER_VIEW (user_data);
 735         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 736
 737         /* if the folder is empty, nothing to do */
 738         if (priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 739                 return;
 740
 741         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 742                 return; /* msg was _un_selected */
 743
 744         gtk_tree_model_get (model, &iter,
 745                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 746                             &header, -1);
 747
 748         /* Emit signal */
 749         g_signal_emit (G_OBJECT(self),
 750                        signals[HEADER_SELECTED_SIGNAL],
 751                        0, header);
 752 }
 753
 754
 755 /* PROTECTED method. It's useful when we want to force a given
 756    selection to reload a msg. For example if we have selected a header
 757    in offline mode, when Modest become online, we want to reload the
 758    message automatically without an user click over the header */
 759 void
 760 _modest_header_view_change_selection (GtkTreeSelection *selection,
 761                                       gpointer user_data)
 762 {
 763         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 764         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 765
 766         on_selection_changed (selection, user_data);
 767 }
 768
 769
 770 static gint
 771 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 772           gpointer user_data)
 773 {
 774         gint col_id;
 775         gint t1, t2;
 776         gint val1, val2;
 777         gchar *s1, *s2;
 778         gint cmp;
 779
 780         static int counter = 0;
 781         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 782
 783         if (!(++counter % 100)) {
 784                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 785                                                          MODEST_HEADER_VIEW_PTR);
 786                 g_signal_emit (header_view,
 787                                signals[STATUS_UPDATE_SIGNAL],
 788                                0, _("Sorting..."), 0, 0);
 789         }
 790         switch (col_id) {
 791
 792                 /* first one, we decide based on the time */
 793         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 794         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 795                 gtk_tree_model_get (tree_model, iter1,
 796                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 797                                     &t1,-1);
 798                 gtk_tree_model_get (tree_model, iter2,
 799                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 800                                     &t2,-1);
 801                 return t1 - t2;
 802
 803         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 804         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 805                 gtk_tree_model_get (tree_model, iter1,
 806                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 807                                     &t1,-1);
 808                 gtk_tree_model_get (tree_model, iter2,
 809                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 810                                     &t2,-1);
 811                 return t1 - t2;
 812
 813
 814                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 815         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 816
 817                 gtk_tree_model_get (tree_model, iter1,
 818                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_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_SUBJECT_COLUMN, &s2,
 823                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 824                                     -1);
 825
 826                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 827                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 828                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 829                                                      TRUE);
 830
 831                 g_free (s1);
 832                 g_free (s2);
 833
 834                 return cmp ? cmp : t1 - t2;
 835         }
 836
 837         case MODEST_HEADER_VIEW_COLUMN_FROM:
 838
 839                 gtk_tree_model_get (tree_model, iter1,
 840                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 841                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 842                                     -1);
 843                 gtk_tree_model_get (tree_model, iter2,
 844                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 845                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 846                                     -1);
 847                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 848                 g_free (s1);
 849                 g_free (s2);
 850
 851                 return cmp ? cmp : t1 - t2;
 852
 853         case MODEST_HEADER_VIEW_COLUMN_TO:
 854
 855                 gtk_tree_model_get (tree_model, iter1,
 856                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 857                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 858                                     -1);
 859                 gtk_tree_model_get (tree_model, iter2,
 860                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 861                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 862                                     -1);
 863                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 864                 g_free (s1);
 865                 g_free (s2);
 866
 867                 return cmp ? cmp : t1 - t2;
 868
 869         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 870
 871                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 872                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 873                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 874                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 875
 876                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 877                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 878
 879                 return cmp ? cmp : t1 - t2;
 880
 881         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 882                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 883                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 884                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 885                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 886                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 887
 888                 return cmp ? cmp : t1 - t2;
 889
 890         default:
 891                 return &iter1 - &iter2; /* oughhhh  */
 892         }
 893 }
 894