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