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 <tny-folder-monitor.h>
  34 #include <string.h>
  35
  36 #include <modest-header-view.h>
  37 #include <modest-header-view-priv.h>
  38 #include <modest-dnd.h>
  39 #include <modest-tny-folder.h>
  40
  41 #include <modest-marshal.h>
  42 #include <modest-text-utils.h>
  43 #include <modest-icon-names.h>
  44 #include <modest-runtime.h>
  45
  46 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  47 static void modest_header_view_init        (ModestHeaderView *obj);
  48 static void modest_header_view_finalize    (GObject *obj);
  49
  50 static gboolean      on_header_clicked      (GtkWidget *widget,
  51                                             GdkEventButton *event,
  52                                             gpointer user_data);
  53
  54 static gint          cmp_rows               (GtkTreeModel *tree_model,
  55                                              GtkTreeIter *iter1,
  56                                              GtkTreeIter *iter2,
  57                                              gpointer user_data);
  58
  59 static void          on_selection_changed   (GtkTreeSelection *sel,
  60                                              gpointer user_data);
  61
  62 static void          setup_drag_and_drop    (GtkTreeView *self);
  63
  64 static GtkTreePath * get_selected_row       (GtkTreeView *self, GtkTreeModel **model);
  65
  66 static gboolean      on_focus_in            (GtkWidget     *sef,
  67                                              GdkEventFocus *event,
  68                                              gpointer       user_data);
  69
  70 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  71 struct _ModestHeaderViewPrivate {
  72         TnyFolder            *folder;
  73         ModestHeaderViewStyle style;
  74
  75         TnyFolderMonitor     *monitor;
  76         GMutex               *monitor_lock;
  77         gint sort_colid[2][TNY_FOLDER_TYPE_NUM];
  78         gint sort_type[2][TNY_FOLDER_TYPE_NUM];
  79 };
  80
  81 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  82                                                 MODEST_TYPE_HEADER_VIEW, \
  83                                                 ModestHeaderViewPrivate))
  84
  85
  86
  87 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  88
  89 enum {
  90         HEADER_SELECTED_SIGNAL,
  91         HEADER_ACTIVATED_SIGNAL,
  92         ITEM_NOT_FOUND_SIGNAL,
  93         STATUS_UPDATE_SIGNAL,
  94         LAST_SIGNAL
  95 };
  96
  97 /* globals */
  98 static GObjectClass *parent_class = NULL;
  99
 100 /* uncomment the following if you have defined any signals */
 101 static guint signals[LAST_SIGNAL] = {0};
 102
 103 GType
 104 modest_header_view_get_type (void)
 105 {
 106         static GType my_type = 0;
 107         if (!my_type) {
 108                 static const GTypeInfo my_info = {
 109                         sizeof(ModestHeaderViewClass),
 110                         NULL,           /* base init */
 111                         NULL,           /* base finalize */
 112                         (GClassInitFunc) modest_header_view_class_init,
 113                         NULL,           /* class finalize */
 114                         NULL,           /* class data */
 115                         sizeof(ModestHeaderView),
 116                         1,              /* n_preallocs */
 117                         (GInstanceInitFunc) modest_header_view_init,
 118                         NULL
 119                 };
 120                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 121                                                   "ModestHeaderView",
 122                                                   &my_info, 0);
 123         }
 124         return my_type;
 125 }
 126
 127 static void
 128 modest_header_view_class_init (ModestHeaderViewClass *klass)
 129 {
 130         GObjectClass *gobject_class;
 131         gobject_class = (GObjectClass*) klass;
 132
 133         parent_class            = g_type_class_peek_parent (klass);
 134         gobject_class->finalize = modest_header_view_finalize;
 135
 136         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 137
 138         signals[HEADER_SELECTED_SIGNAL] =
 139                 g_signal_new ("header_selected",
 140                               G_TYPE_FROM_CLASS (gobject_class),
 141                               G_SIGNAL_RUN_FIRST,
 142                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 143                               NULL, NULL,
 144                               g_cclosure_marshal_VOID__POINTER,
 145                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 146
 147         signals[HEADER_ACTIVATED_SIGNAL] =
 148                 g_signal_new ("header_activated",
 149                               G_TYPE_FROM_CLASS (gobject_class),
 150                               G_SIGNAL_RUN_FIRST,
 151                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 152                               NULL, NULL,
 153                               g_cclosure_marshal_VOID__POINTER,
 154                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 155
 156
 157         signals[ITEM_NOT_FOUND_SIGNAL] =
 158                 g_signal_new ("item_not_found",
 159                               G_TYPE_FROM_CLASS (gobject_class),
 160                               G_SIGNAL_RUN_FIRST,
 161                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 162                               NULL, NULL,
 163                               g_cclosure_marshal_VOID__INT,
 164                               G_TYPE_NONE, 1, G_TYPE_INT);
 165
 166         signals[STATUS_UPDATE_SIGNAL] =
 167                 g_signal_new ("status_update",
 168                               G_TYPE_FROM_CLASS (gobject_class),
 169                               G_SIGNAL_RUN_FIRST,
 170                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 171                               NULL, NULL,
 172                               modest_marshal_VOID__STRING_INT_INT,
 173                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 174 }
 175
 176 static GtkTreeViewColumn*
 177 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 178                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 179                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 180 {
 181         GtkTreeViewColumn *column;
 182
 183         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 184         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 185
 186         gtk_tree_view_column_set_resizable (column, resizable);
 187         if (resizable)
 188                 gtk_tree_view_column_set_expand (column, TRUE);
 189
 190         if (show_as_text)
 191                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 192                                                     sort_col_id);
 193         if (sort_col_id >= 0)
 194                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 195
 196         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 197         gtk_tree_view_column_set_reorderable (column, TRUE);
 198
 199         if (cell_data_func)
 200                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 201                                                         user_data, NULL);
 202         return column;
 203 }
 204
 205
 206
 207
 208 static void
 209 remove_all_columns (ModestHeaderView *obj)
 210 {
 211         GList *columns, *cursor;
 212
 213         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 214
 215         for (cursor = columns; cursor; cursor = cursor->next)
 216                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 217                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 218         g_list_free (columns);
 219 }
 220
 221 gboolean
 222 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, TnyFolderType type)
 223 {
 224         GtkTreeModel *sortable;
 225         GtkTreeViewColumn *column=NULL;
 226         GtkTreeSelection *selection = NULL;
 227         GtkCellRenderer *renderer_msgtype,*renderer_header,
 228                 *renderer_attach,  *renderer_comptact_flag,
 229                 *renderer_compact_date;
 230         ModestHeaderViewPrivate *priv;
 231         const GList *cursor;
 232
 233         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 234
 235         /* FIXME: check whether these renderers need to be freed */
 236         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 237         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 238         renderer_header  = gtk_cell_renderer_text_new ();
 239         renderer_comptact_flag  = gtk_cell_renderer_pixbuf_new ();
 240         renderer_compact_date  = gtk_cell_renderer_text_new ();
 241
 242         g_object_set(G_OBJECT(renderer_header),
 243                      "ellipsize", PANGO_ELLIPSIZE_END,
 244                      NULL);
 245         g_object_set(G_OBJECT(renderer_compact_date),
 246                      "xalign", 1.0,
 247                      NULL);
 248
 249         remove_all_columns (self);
 250
 251         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 252         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
 253         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 254
 255         /* Add new columns */
 256         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 257                 ModestHeaderViewColumn col =
 258                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 259
 260                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 261                         g_printerr ("modest: invalid column %d in column list\n", col);
 262                         continue;
 263                 }
 264
 265                 switch (col) {
 266
 267                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 268                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 269                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 270                                                  FALSE,
 271                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 272                                                  NULL);
 273                         gtk_tree_view_column_set_fixed_width (column, 45);
 274                         break;
 275
 276                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 277                         column = get_new_column (_("A"), renderer_attach, FALSE,
 278                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 279                                                  FALSE,
 280                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 281                                                  NULL);
 282                         gtk_tree_view_column_set_fixed_width (column, 45);
 283                         break;
 284
 285
 286                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 287                         column = get_new_column (_("From"), renderer_header, TRUE,
 288                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 289                                                  TRUE,
 290                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 291                                                  GINT_TO_POINTER(TRUE));
 292                         break;
 293
 294                 case MODEST_HEADER_VIEW_COLUMN_TO:
 295                         column = get_new_column (_("To"), renderer_header, TRUE,
 296                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 297                                                  TRUE,
 298                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 299                                                  GINT_TO_POINTER(FALSE));
 300                         break;
 301
 302                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
 303                         column = get_new_column (_("F"), renderer_comptact_flag, FALSE,
 304                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 305                                                  FALSE,
 306                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_flag_cell_data,
 307                                                  NULL);
 308                         gtk_tree_view_column_set_fixed_width (column, 45);
 309                         break;
 310
 311                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 312                         column = get_new_column (_("Header"), renderer_header, TRUE,
 313                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 314                                                  TRUE,
 315                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 316                                                  GINT_TO_POINTER(TRUE));
 317                         break;
 318
 319                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 320                         column = get_new_column (_("Header"), renderer_header, TRUE,
 321                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 322                                                  TRUE,
 323                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 324                                                  GINT_TO_POINTER(FALSE));
 325                         break;
 326
 327
 328                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 329                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 330                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 331                                                  TRUE,
 332                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 333                                                  NULL);
 334                         break;
 335
 336                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 337                         column = get_new_column (_("Received"), renderer_header, TRUE,
 338                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 339                                                  TRUE,
 340                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 341                                                  GINT_TO_POINTER(TRUE));
 342                         break;
 343
 344                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 345                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 346                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 347                                                  TRUE,
 348                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 349                                                  GINT_TO_POINTER(FALSE));
 350                         break;
 351
 352                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
 353                         column = get_new_column (_("Received"), renderer_compact_date, FALSE,
 354                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 355                                                  TRUE,
 356                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 357                                                  GINT_TO_POINTER(TRUE));
 358                         gtk_tree_view_column_set_fixed_width (column, 130);
 359                         break;
 360
 361                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
 362                         column = get_new_column (_("Sent"), renderer_compact_date, FALSE,
 363                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 364                                                  TRUE,
 365                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 366                                                  GINT_TO_POINTER(FALSE));
 367                         gtk_tree_view_column_set_fixed_width (column, 130);
 368                         break;
 369                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 370                         column = get_new_column (_("Size"), renderer_header, TRUE,
 371                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 372                                                  FALSE,
 373                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 374                                                  NULL);
 375                         break;
 376                 case MODEST_HEADER_VIEW_COLUMN_STATUS:
 377                         column = get_new_column (_("Status"), renderer_compact_date, TRUE,
 378                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 379                                                  FALSE,
 380                                                  (GtkTreeCellDataFunc)_modest_header_view_status_cell_data,
 381                                                  NULL);
 382                         break;
 383
 384                 default:
 385                         g_return_val_if_reached(FALSE);
 386                 }
 387
 388                 /* we keep the column id around */
 389                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 390                                    GINT_TO_POINTER(col));
 391
 392                 /* we need this ptr when sorting the rows */
 393                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 394                                    self);
 395                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 396         }
 397
 398
 399         return TRUE;
 400 }
 401
 402 static void
 403 modest_header_view_init (ModestHeaderView *obj)
 404 {
 405         ModestHeaderViewPrivate *priv;
 406         guint i, j;
 407
 408         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 409
 410         priv->folder  = NULL;
 411
 412         priv->monitor        = NULL;
 413         priv->monitor_lock   = g_mutex_new ();
 414
 415         /* Sort parameters */
 416         for (j=0; j < 2; j++) {
 417                 for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) {
 418                         priv->sort_colid[j][i] = -1;
 419                         priv->sort_type[j][i] = GTK_SORT_DESCENDING;
 420                 }
 421         }
 422
 423         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 424 }
 425
 426 static void
 427 modest_header_view_finalize (GObject *obj)
 428 {
 429         ModestHeaderView        *self;
 430         ModestHeaderViewPrivate *priv;
 431
 432         self = MODEST_HEADER_VIEW(obj);
 433         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 434
 435         g_mutex_lock (priv->monitor_lock);
 436         if (priv->monitor) {
 437                 tny_folder_monitor_stop (priv->monitor);
 438                 g_object_unref (G_OBJECT (priv->monitor));
 439         }
 440         g_mutex_unlock (priv->monitor_lock);
 441         g_mutex_free (priv->monitor_lock);
 442
 443         if (priv->folder) {
 444                 g_object_unref (G_OBJECT (priv->folder));
 445                 priv->folder   = NULL;
 446         }
 447
 448         G_OBJECT_CLASS(parent_class)->finalize (obj);
 449 }
 450
 451
 452 GtkWidget*
 453 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 454 {
 455         GObject *obj;
 456         GtkTreeSelection *sel;
 457         ModestHeaderView *self;
 458         ModestHeaderViewPrivate *priv;
 459
 460         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 461                               NULL);
 462
 463         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 464         self = MODEST_HEADER_VIEW(obj);
 465         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 466
 467         modest_header_view_set_style   (self, style);
 468         modest_header_view_set_folder (self, NULL);
 469
 470         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 471         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 472         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 473
 474         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 475                                       TRUE); /* alternating row colors */
 476         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 477
 478         g_signal_connect (sel, "changed",
 479                           G_CALLBACK(on_selection_changed), self);
 480
 481         g_signal_connect (self, "button-press-event",
 482                           G_CALLBACK(on_header_clicked), NULL);
 483
 484         g_signal_connect (self, "focus-in-event",
 485                           G_CALLBACK(on_focus_in), NULL);
 486
 487         return GTK_WIDGET(self);
 488 }
 489
 490
 491 TnyList *
 492 modest_header_view_get_selected_headers (ModestHeaderView *self)
 493 {
 494         GtkTreeSelection *sel;
 495         ModestHeaderViewPrivate *priv;
 496         TnyList *header_list = NULL;
 497         TnyHeader *header;
 498         GList *list, *tmp = NULL;
 499         GtkTreeModel *tree_model = NULL;
 500         GtkTreeIter iter;
 501
 502         g_return_val_if_fail (self, NULL);
 503
 504         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 505
 506         /* Get selected rows */
 507         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 508         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 509
 510         if (list) {
 511                 header_list = tny_simple_list_new();
 512
 513                 list = g_list_reverse (list);
 514                 tmp = list;
 515                 while (tmp) {
 516                         /* get header from selection */
 517                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 518                         gtk_tree_model_get (tree_model, &iter,
 519                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 520                                             &header, -1);
 521                         /* Prepend to list */
 522                         tny_list_prepend (header_list, G_OBJECT (header));
 523                         g_object_unref (G_OBJECT (header));
 524
 525                         tmp = g_list_next (tmp);
 526                 }
 527                 /* Clean up*/
 528                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 529                 g_list_free (list);
 530         }
 531         return header_list;
 532 }
 533
 534
 535 /* scroll our list view so the selected item is visible */
 536 static void
 537 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 538 {
 539 #ifdef MODEST_PLATFORM_GNOME
 540
 541         GtkTreePath *selected_path;
 542         GtkTreePath *start, *end;
 543
 544         GtkTreeModel *model;
 545
 546         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 547         selected_path = gtk_tree_model_get_path (model, iter);
 548
 549         start = gtk_tree_path_new ();
 550         end   = gtk_tree_path_new ();
 551
 552         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 553
 554         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 555             gtk_tree_path_compare (end, selected_path) < 0)
 556                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 557                                               selected_path, NULL, TRUE,
 558                                               up ? 0.0 : 1.0,
 559                                               up ? 0.0 : 1.0);
 560         gtk_tree_path_free (selected_path);
 561         gtk_tree_path_free (start);
 562         gtk_tree_path_free (end);
 563
 564 #endif /* MODEST_PLATFORM_GNOME */
 565 }
 566
 567
 568 void
 569 modest_header_view_select_next (ModestHeaderView *self)
 570 {
 571         GtkTreeSelection *sel;
 572         GtkTreeIter iter;
 573         GtkTreeModel *model;
 574         GtkTreePath *path;
 575
 576         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 577         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 578         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 579                 /* Unselect previous path */
 580                 gtk_tree_selection_unselect_path (sel, path);
 581
 582                 /* Move path down and selects new one  */
 583                 if (gtk_tree_model_iter_next (model, &iter)) {
 584                         gtk_tree_selection_select_iter (sel, &iter);
 585                         scroll_to_selected (self, &iter, FALSE);
 586                 }
 587                 gtk_tree_path_free(path);
 588         }
 589
 590 }
 591
 592 void
 593 modest_header_view_select_prev (ModestHeaderView *self)
 594 {
 595         GtkTreeSelection *sel;
 596         GtkTreeIter iter;
 597         GtkTreeModel *model;
 598         GtkTreePath *path;
 599
 600         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 601         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 602         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 603                 /* Unselect previous path */
 604                 gtk_tree_selection_unselect_path (sel, path);
 605
 606                 /* Move path up */
 607                 if (gtk_tree_path_prev (path)) {
 608                         gtk_tree_model_get_iter (model, &iter, path);
 609
 610                         /* Select the new one */
 611                         gtk_tree_selection_select_iter (sel, &iter);
 612                         scroll_to_selected (self, &iter, TRUE);
 613
 614                 }
 615                 gtk_tree_path_free (path);
 616         }
 617 }
 618
 619 GList*
 620 modest_header_view_get_columns (ModestHeaderView *self)
 621 {
 622         g_return_val_if_fail (self, FALSE);
 623         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 624 }
 625
 626
 627 gboolean
 628 modest_header_view_is_empty (ModestHeaderView *self)
 629 {
 630         g_return_val_if_fail (self, FALSE);
 631         return FALSE; /* FIXME */
 632 }
 633
 634
 635 gboolean
 636 modest_header_view_set_style (ModestHeaderView *self,
 637                               ModestHeaderViewStyle style)
 638 {
 639         ModestHeaderViewPrivate *priv;
 640         gboolean show_col_headers = FALSE;
 641         ModestHeaderViewStyle old_style;
 642
 643         g_return_val_if_fail (self, FALSE);
 644         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 645                               FALSE);
 646
 647         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 648         if (priv->style == style)
 649                 return TRUE; /* nothing to do */
 650
 651         switch (style) {
 652         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 653                 show_col_headers = TRUE;
 654                 break;
 655         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 656                 break;
 657         default:
 658                 g_return_val_if_reached (FALSE);
 659         }
 660         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 661         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 662
 663         old_style   = priv->style;
 664         priv->style = style;
 665
 666         return TRUE;
 667 }
 668
 669
 670 ModestHeaderViewStyle
 671 modest_header_view_get_style (ModestHeaderView *self)
 672 {
 673         g_return_val_if_fail (self, FALSE);
 674         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 675 }
 676
 677 /*
 678  * This function sets a sortable model in the header view. It's just
 679  * used for developing purposes, because it only does a
 680  * gtk_tree_view_set_model
 681  */
 682 static void
 683 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 684 {
 685         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 686
 687         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 688                 GtkTreeModel *old_model;
 689                 ModestHeaderViewPrivate *priv;
 690
 691                 priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
 692                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 693
 694                 /* Set new model */
 695                 gtk_tree_view_set_model (header_view, model);
 696         } else
 697                 gtk_tree_view_set_model (header_view, model);
 698
 699         return;
 700 }
 701
 702 static void
 703 on_progress_changed (ModestMailOperation *mail_op,
 704                      ModestHeaderView *self)
 705 {
 706         TnyFolderType type;
 707         GtkTreeModel *sortable;
 708         ModestHeaderViewPrivate *priv;
 709         GList *cols, *cursor;
 710         TnyList *headers;
 711         guint sort_colid;
 712         GtkSortType sort_type;
 713
 714         if (!modest_mail_operation_is_finished (mail_op))
 715                 return;
 716
 717         if (modest_mail_operation_get_error (mail_op))
 718                 return;
 719
 720         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 721
 722         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 723
 724         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 725                                               priv->folder, TRUE);
 726
 727         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 728         g_object_unref (G_OBJECT (headers));
 729
 730         /* install our special sorting functions */
 731         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 732         while (cursor) {
 733                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 734                                                                  MODEST_HEADER_VIEW_COLUMN));
 735                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 736                                                  col_id,
 737                                                  (GtkTreeIterCompareFunc) cmp_rows,
 738                                                  cursor->data, NULL);
 739                 cursor = g_list_next(cursor);
 740         }
 741         g_list_free (cols);
 742
 743         /* Restore sort column id */
 744         type  = modest_tny_folder_guess_folder_type (priv->folder);
 745         sort_colid = modest_header_view_get_sort_column_id (self, type);
 746         sort_type = modest_header_view_get_sort_type (self, type);
 747         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 748                                               sort_colid,
 749                                               sort_type);
 750
 751         /* Set new model */
 752         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 753         g_object_unref (G_OBJECT (sortable));
 754
 755         /* Add a folder observer */
 756         g_mutex_lock (priv->monitor_lock);
 757         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (priv->folder));
 758         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 759         tny_folder_monitor_start (priv->monitor);
 760         g_mutex_unlock (priv->monitor_lock);
 761
 762 }
 763
 764 TnyFolder*
 765 modest_header_view_get_folder (ModestHeaderView *self)
 766 {
 767         ModestHeaderViewPrivate *priv;
 768         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 769
 770         if (priv->folder)
 771                 g_object_ref (priv->folder);
 772
 773         return priv->folder;
 774 }
 775
 776 static void
 777 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 778 {
 779         TnyFolderType type;
 780         TnyList *headers;
 781         ModestHeaderViewPrivate *priv;
 782         GList *cols, *cursor;
 783         GtkTreeModel *sortable;
 784         guint sort_colid;
 785         GtkSortType sort_type;
 786
 787         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 788
 789         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 790
 791         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 792                                               folder, FALSE);
 793
 794         /* Add a folder observer */
 795         g_mutex_lock (priv->monitor_lock);
 796         if (priv->monitor) {
 797                 tny_folder_monitor_stop (priv->monitor);
 798                 g_object_unref (G_OBJECT (priv->monitor));
 799         }
 800         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 801         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 802         tny_folder_monitor_start (priv->monitor);
 803         g_mutex_unlock (priv->monitor_lock);
 804
 805
 806         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 807         g_object_unref (G_OBJECT (headers));
 808
 809         /* install our special sorting functions */
 810         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 811         while (cursor) {
 812                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 813                                                                  MODEST_HEADER_VIEW_COLUMN));
 814                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 815                                                  col_id,
 816                                                  (GtkTreeIterCompareFunc) cmp_rows,
 817                                                  cursor->data, NULL);
 818                 cursor = g_list_next(cursor);
 819         }
 820         g_list_free (cols);
 821
 822         /* Restore sort column id */
 823         type  = modest_tny_folder_guess_folder_type (folder);
 824         sort_colid = modest_header_view_get_sort_column_id (self, type);
 825         sort_type = modest_header_view_get_sort_type (self, type);
 826         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 827                                               sort_colid,
 828                                               sort_type);
 829
 830         /* Set new model */
 831         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 832         g_object_unref (G_OBJECT (sortable));
 833 }
 834
 835 void
 836 modest_header_view_sort_by_column_id (ModestHeaderView *self,
 837                                       guint sort_colid,
 838                                       GtkSortType sort_type)
 839 {
 840         ModestHeaderViewPrivate *priv = NULL;
 841         GtkTreeModel *sortable = NULL;
 842         TnyFolderType type;
 843
 844         /* Get model and private data */
 845         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 846         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 847
 848         /* Sort tree model */
 849         type  = modest_tny_folder_guess_folder_type (priv->folder);
 850         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 851                                               sort_colid,
 852                                               sort_type);
 853         /* Store new sort parameters */
 854         modest_header_view_set_sort_params (self, sort_colid, sort_type, type);
 855
 856         /* Save GConf parameters */
 857 /*      modest_widget_memory_save (modest_runtime_get_conf(), */
 858 /*                                 G_OBJECT(self), "header-view"); */
 859
 860 }
 861
 862 void
 863 modest_header_view_set_sort_params (ModestHeaderView *self,
 864                                     guint sort_colid,
 865                                     GtkSortType sort_type,
 866                                     TnyFolderType type)
 867 {
 868         ModestHeaderViewPrivate *priv;
 869         ModestHeaderViewStyle style;
 870
 871         style = modest_header_view_get_style   (self);
 872         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 873
 874         priv->sort_colid[style][type] = sort_colid;
 875         priv->sort_type[style][type] = sort_type;
 876 }
 877
 878 gint
 879 modest_header_view_get_sort_column_id (ModestHeaderView *self,
 880                                        TnyFolderType type)
 881 {
 882         ModestHeaderViewPrivate *priv;
 883         ModestHeaderViewStyle style;
 884
 885         style = modest_header_view_get_style   (self);
 886         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 887
 888         return priv->sort_colid[style][type];
 889 }
 890
 891 GtkSortType
 892 modest_header_view_get_sort_type (ModestHeaderView *self,
 893                                   TnyFolderType type)
 894 {
 895         ModestHeaderViewPrivate *priv;
 896         ModestHeaderViewStyle style;
 897
 898         style = modest_header_view_get_style   (self);
 899         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 900
 901         return priv->sort_type[style][type];
 902 }
 903
 904 void
 905 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 906 {
 907         ModestHeaderViewPrivate *priv;
 908
 909         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 910
 911         if (priv->folder) {
 912                 g_object_unref (priv->folder);
 913                 priv->folder = NULL;
 914         }
 915
 916         if (folder) {
 917                 ModestMailOperation *mail_op;
 918
 919                 modest_header_view_set_folder_intern (self, folder);
 920
 921                 /* Pick my reference. Nothing to do with the mail operation */
 922                 priv->folder = g_object_ref (folder);
 923
 924                 /* no message selected */
 925                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 926
 927                 /* Create the mail operation */
 928                 mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_ID_RECEIVE);
 929                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 930                                                  mail_op);
 931
 932                 /* Register a mail operation observer */
 933                 g_signal_connect (mail_op, "progress-changed",
 934                                   G_CALLBACK (on_progress_changed), self);
 935
 936                 /* Refresh the folder asynchronously */
 937                 modest_mail_operation_refresh_folder (mail_op, folder);
 938
 939                 /* Free */
 940                 g_object_unref (mail_op);
 941
 942         } else {
 943                 g_mutex_lock (priv->monitor_lock);
 944                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 945
 946                 if (priv->monitor) {
 947                         tny_folder_monitor_stop (priv->monitor);
 948                         g_object_unref (G_OBJECT (priv->monitor));
 949                         priv->monitor = NULL;
 950                 }
 951                 g_mutex_unlock (priv->monitor_lock);
 952         }
 953 }
 954
 955 static gboolean
 956 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 957 {
 958         ModestHeaderView *self = NULL;
 959         ModestHeaderViewPrivate *priv = NULL;
 960         GtkTreePath *path = NULL;
 961         GtkTreeIter iter;
 962         GtkTreeModel *model = NULL;
 963         TnyHeader *header;
 964         /* ignore everything but doubleclick */
 965         if (event->type != GDK_2BUTTON_PRESS)
 966                 return FALSE;
 967
 968         self = MODEST_HEADER_VIEW (widget);
 969         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 970
 971         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 972         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 973                 return FALSE;
 974
 975         /* get the first selected item */
 976         gtk_tree_model_get (model, &iter,
 977                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 978                             &header, -1);
 979         /* Emit signal */
 980         g_signal_emit (G_OBJECT(self),
 981                        signals[HEADER_ACTIVATED_SIGNAL],
 982                        0, header);
 983
 984         /* Free */
 985         g_object_unref (G_OBJECT (header));
 986         gtk_tree_path_free(path);
 987
 988         return TRUE;
 989 }
 990
 991
 992 static void
 993 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 994 {
 995         GtkTreeModel *model;
 996         TnyHeader *header;
 997         GtkTreePath *path = NULL;
 998         GtkTreeIter iter;
 999         ModestHeaderView *self;
1000         ModestHeaderViewPrivate *priv;
1001
1002         g_return_if_fail (sel);
1003         g_return_if_fail (user_data);
1004
1005         self = MODEST_HEADER_VIEW (user_data);
1006         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
1007
1008         path = get_selected_row (GTK_TREE_VIEW(self), &model);
1009         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
1010                 return; /* msg was _un_selected */
1011
1012         gtk_tree_model_get (model, &iter,
1013                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1014                             &header, -1);
1015
1016         /* Emit signal */
1017         g_signal_emit (G_OBJECT(self),
1018                        signals[HEADER_SELECTED_SIGNAL],
1019                        0, header);
1020
1021         g_object_unref (G_OBJECT (header));
1022         gtk_tree_path_free(path);
1023 }
1024
1025
1026 /* PROTECTED method. It's useful when we want to force a given
1027    selection to reload a msg. For example if we have selected a header
1028    in offline mode, when Modest become online, we want to reload the
1029    message automatically without an user click over the header */
1030 void
1031 _modest_header_view_change_selection (GtkTreeSelection *selection,
1032                                       gpointer user_data)
1033 {
1034         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
1035         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
1036
1037         on_selection_changed (selection, user_data);
1038 }
1039
1040
1041 static gint
1042 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1043           gpointer user_data)
1044 {
1045         gint col_id;
1046         gint t1, t2;
1047         gint val1, val2;
1048         gchar *s1, *s2;
1049         gint cmp;
1050         gint sort_colid;
1051         static int counter = 0;
1052
1053         g_return_val_if_fail (G_IS_OBJECT(user_data), 0);
1054         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
1055
1056         if (!(++counter % 100)) {
1057                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
1058                                                          MODEST_HEADER_VIEW_PTR);
1059                 g_signal_emit (header_view,
1060                                signals[STATUS_UPDATE_SIGNAL],
1061                                0, _("Sorting..."), 0, 0);
1062         }
1063         switch (col_id) {
1064         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
1065         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
1066                 sort_colid = gtk_tree_view_column_get_sort_column_id (GTK_TREE_VIEW_COLUMN(user_data));
1067                 gtk_tree_model_get (tree_model, iter1,
1068                                     sort_colid, &s1,
1069                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1070                                     -1);
1071                 gtk_tree_model_get (tree_model, iter2,
1072                                     sort_colid, &s2,
1073                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1074                                     -1);
1075                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1076                 g_free (s1);
1077                 g_free (s2);
1078
1079                 return cmp ? cmp : t1 - t2;
1080
1081                 break;
1082
1083         case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
1084         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
1085
1086                 gtk_tree_model_get (tree_model, iter1,
1087                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1088                                     &t1,-1);
1089                 gtk_tree_model_get (tree_model, iter2,
1090                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1091                                     &t2,-1);
1092                 return t1 - t2;
1093
1094         case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
1095         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
1096                 gtk_tree_model_get (tree_model, iter1,
1097                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1098                                     &t1,-1);
1099                 gtk_tree_model_get (tree_model, iter2,
1100                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1101                                     &t2,-1);
1102                 return t1 - t2;
1103
1104
1105                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
1106                 /* FIXME: what about received-date? */
1107         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
1108
1109                 gtk_tree_model_get (tree_model, iter1,
1110                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
1111                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1112                                     -1);
1113                 gtk_tree_model_get (tree_model, iter2,
1114                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
1115                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1116                                     -1);
1117
1118                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
1119                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
1120                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
1121                                                      TRUE);
1122                 g_free (s1);
1123                 g_free (s2);
1124
1125                 return cmp ? cmp : t1 - t2;
1126         }
1127
1128         case MODEST_HEADER_VIEW_COLUMN_FROM:
1129
1130                 gtk_tree_model_get (tree_model, iter1,
1131                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
1132                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1133                                     -1);
1134                 gtk_tree_model_get (tree_model, iter2,
1135                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
1136                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1137                                     -1);
1138                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1139                 g_free (s1);
1140                 g_free (s2);
1141
1142                 return cmp ? cmp : t1 - t2;
1143
1144         case MODEST_HEADER_VIEW_COLUMN_TO:
1145
1146                 gtk_tree_model_get (tree_model, iter1,
1147                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1148                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1149                                     -1);
1150                 gtk_tree_model_get (tree_model, iter2,
1151                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1152                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1153                                     -1);
1154                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1155                 g_free (s1);
1156                 g_free (s2);
1157
1158                 return cmp ? cmp : t1 - t2;
1159
1160         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1161
1162                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1163                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1164                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1165                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1166
1167                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1168                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1169
1170                 return cmp ? cmp : t1 - t2;
1171
1172         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1173                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1174                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1175                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1176                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1177                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1178
1179                 return cmp ? cmp : t1 - t2;
1180
1181         case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
1182                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1183                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1184                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1185                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1186
1187                 int flag_sort = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_FLAG_SORT));
1188                 switch (flag_sort) {
1189                 case TNY_HEADER_FLAG_ATTACHMENTS:
1190                         cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1191                                 (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1192                         break;
1193                 case TNY_HEADER_FLAG_PRIORITY:
1194                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1195                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1196                         break;
1197                 default:
1198                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1199                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1200                 }
1201
1202                 return cmp ? cmp : t1 - t2;
1203         default:
1204                 return &iter1 - &iter2; /* oughhhh  */
1205         }
1206 }
1207
1208 /* Drag and drop stuff */
1209 static void
1210 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1211                   GtkSelectionData *selection_data,
1212                   guint info,  guint time, gpointer data)
1213 {
1214         GtkTreeModel *model;
1215         GtkTreeIter iter;
1216         GtkTreePath *source_row;
1217
1218         source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
1219         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1220
1221         switch (info) {
1222         case MODEST_HEADER_ROW:
1223                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1224                 break;
1225         case MODEST_MSG: {
1226                 TnyHeader *hdr;
1227                 gtk_tree_model_get (model, &iter,
1228                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1229                                     -1);
1230                 if (hdr) {
1231                         g_object_unref (G_OBJECT(hdr));
1232                 }
1233                 break;
1234         }
1235         default:
1236                 g_message ("default");
1237         }
1238
1239         gtk_tree_path_free (source_row);
1240 }
1241
1242 /* Header view drag types */
1243 const GtkTargetEntry header_view_drag_types[] = {
1244         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1245         { "text/uri-list",      0,                   MODEST_MSG },
1246
1247 };
1248
1249 static void
1250 setup_drag_and_drop (GtkTreeView *self)
1251 {
1252         gtk_drag_source_set (GTK_WIDGET (self),
1253                              GDK_BUTTON1_MASK,
1254                              header_view_drag_types,
1255                              G_N_ELEMENTS (header_view_drag_types),
1256                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1257
1258         g_signal_connect(G_OBJECT (self), "drag_data_get",
1259                          G_CALLBACK(drag_data_get_cb), NULL);
1260 }
1261
1262 static GtkTreePath *
1263 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1264 {
1265         GtkTreePath *path = NULL;
1266         GtkTreeSelection *sel = NULL;
1267         GList *rows = NULL;
1268
1269         sel   = gtk_tree_view_get_selection(self);
1270         rows = gtk_tree_selection_get_selected_rows (sel, model);
1271
1272         if ((rows == NULL) || (g_list_length(rows) != 1))
1273                 goto frees;
1274
1275         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1276
1277
1278         /* Free */
1279  frees:
1280         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1281         g_list_free(rows);
1282
1283         return path;
1284 }
1285
1286 /*
1287  * This function moves the tree view scroll to the current selected
1288  * row when the widget grabs the focus
1289  */
1290 static gboolean
1291 on_focus_in (GtkWidget     *self,
1292              GdkEventFocus *event,
1293              gpointer       user_data)
1294 {
1295         GtkTreeSelection *selection;
1296         GtkTreeModel *model;
1297         GList *selected = NULL;
1298         GtkTreePath *selected_path = NULL;
1299
1300         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1301         if (!model)
1302                 return FALSE;
1303
1304         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1305         /* If none selected yet, pick the first one */
1306         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1307                 GtkTreeIter iter;
1308                 GtkTreePath *path;
1309
1310                 /* Return if the model is empty */
1311                 if (!gtk_tree_model_get_iter_first (model, &iter))
1312                         return FALSE;
1313
1314                 path = gtk_tree_model_get_path (model, &iter);
1315                 gtk_tree_selection_select_path (selection, path);
1316                 gtk_tree_path_free (path);
1317         }
1318
1319         /* Need to get the all the rows because is selection multiple */
1320         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1321         selected_path = (GtkTreePath *) selected->data;
1322
1323         /* Check if we need to scroll */
1324         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1325         GtkTreePath *start_path = NULL;
1326         GtkTreePath *end_path = NULL;
1327         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1328                                              &start_path,
1329                                              &end_path)) {
1330
1331                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1332                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1333
1334                         /* Scroll to first path */
1335                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1336                                                       selected_path,
1337                                                       NULL,
1338                                                       TRUE,
1339                                                       0.5,
1340                                                       0.0);
1341                 }
1342         }
1343         #endif /* GTK_CHECK_VERSION */
1344
1345         /* Frees */
1346         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1347         g_list_free (selected);
1348
1349         return FALSE;
1350 }