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                 /* we keep the column id around */
 392                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 393                                    GINT_TO_POINTER(col));
 394
 395                 /* we need this ptr when sorting the rows */
 396                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 397                                    self);
 398                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 399         }
 400
 401         return TRUE;
 402 }
 403
 404 static void
 405 modest_header_view_init (ModestHeaderView *obj)
 406 {
 407         ModestHeaderViewPrivate *priv;
 408         guint i, j;
 409
 410         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 411
 412         priv->folder  = NULL;
 413
 414         priv->monitor        = NULL;
 415         priv->monitor_lock   = g_mutex_new ();
 416
 417         /* Sort parameters */
 418         for (j=0; j < 2; j++) {
 419                 for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) {
 420                         priv->sort_colid[j][i] = -1;
 421                         priv->sort_type[j][i] = GTK_SORT_DESCENDING;
 422                 }
 423         }
 424
 425         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 426 }
 427
 428 static void
 429 modest_header_view_finalize (GObject *obj)
 430 {
 431         ModestHeaderView        *self;
 432         ModestHeaderViewPrivate *priv;
 433
 434         self = MODEST_HEADER_VIEW(obj);
 435         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 436
 437         g_mutex_lock (priv->monitor_lock);
 438         if (priv->monitor) {
 439                 tny_folder_monitor_stop (priv->monitor);
 440                 g_object_unref (G_OBJECT (priv->monitor));
 441         }
 442         g_mutex_unlock (priv->monitor_lock);
 443         g_mutex_free (priv->monitor_lock);
 444
 445         if (priv->folder) {
 446                 g_object_unref (G_OBJECT (priv->folder));
 447                 priv->folder   = NULL;
 448         }
 449
 450         G_OBJECT_CLASS(parent_class)->finalize (obj);
 451 }
 452
 453
 454 GtkWidget*
 455 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 456 {
 457         GObject *obj;
 458         GtkTreeSelection *sel;
 459         ModestHeaderView *self;
 460         ModestHeaderViewPrivate *priv;
 461
 462         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 463                               NULL);
 464
 465         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 466         self = MODEST_HEADER_VIEW(obj);
 467         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 468
 469         modest_header_view_set_style   (self, style);
 470         modest_header_view_set_folder (self, NULL);
 471
 472         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 473         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 474         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 475
 476         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 477                                       TRUE); /* alternating row colors */
 478         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 479
 480         g_signal_connect (sel, "changed",
 481                           G_CALLBACK(on_selection_changed), self);
 482
 483         g_signal_connect (self, "button-press-event",
 484                           G_CALLBACK(on_header_clicked), NULL);
 485
 486         g_signal_connect (self, "focus-in-event",
 487                           G_CALLBACK(on_focus_in), NULL);
 488
 489         return GTK_WIDGET(self);
 490 }
 491
 492
 493 TnyList *
 494 modest_header_view_get_selected_headers (ModestHeaderView *self)
 495 {
 496         GtkTreeSelection *sel;
 497         ModestHeaderViewPrivate *priv;
 498         TnyList *header_list = NULL;
 499         TnyHeader *header;
 500         GList *list, *tmp = NULL;
 501         GtkTreeModel *tree_model = NULL;
 502         GtkTreeIter iter;
 503
 504         g_return_val_if_fail (self, NULL);
 505
 506         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 507
 508         /* Get selected rows */
 509         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 510         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 511
 512         if (list) {
 513                 header_list = tny_simple_list_new();
 514
 515                 list = g_list_reverse (list);
 516                 tmp = list;
 517                 while (tmp) {
 518                         /* get header from selection */
 519                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 520                         gtk_tree_model_get (tree_model, &iter,
 521                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 522                                             &header, -1);
 523                         /* Prepend to list */
 524                         tny_list_prepend (header_list, G_OBJECT (header));
 525                         g_object_unref (G_OBJECT (header));
 526
 527                         tmp = g_list_next (tmp);
 528                 }
 529                 /* Clean up*/
 530                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 531                 g_list_free (list);
 532         }
 533         return header_list;
 534 }
 535
 536
 537 /* scroll our list view so the selected item is visible */
 538 static void
 539 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 540 {
 541 #ifdef MODEST_PLATFORM_GNOME
 542
 543         GtkTreePath *selected_path;
 544         GtkTreePath *start, *end;
 545
 546         GtkTreeModel *model;
 547
 548         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 549         selected_path = gtk_tree_model_get_path (model, iter);
 550
 551         start = gtk_tree_path_new ();
 552         end   = gtk_tree_path_new ();
 553
 554         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 555
 556         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 557             gtk_tree_path_compare (end, selected_path) < 0)
 558                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 559                                               selected_path, NULL, TRUE,
 560                                               up ? 0.0 : 1.0,
 561                                               up ? 0.0 : 1.0);
 562         gtk_tree_path_free (selected_path);
 563         gtk_tree_path_free (start);
 564         gtk_tree_path_free (end);
 565
 566 #endif /* MODEST_PLATFORM_GNOME */
 567 }
 568
 569
 570 void
 571 modest_header_view_select_next (ModestHeaderView *self)
 572 {
 573         GtkTreeSelection *sel;
 574         GtkTreeIter iter;
 575         GtkTreeModel *model;
 576         GtkTreePath *path;
 577
 578         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 579         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 580         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 581                 /* Unselect previous path */
 582                 gtk_tree_selection_unselect_path (sel, path);
 583
 584                 /* Move path down and selects new one  */
 585                 if (gtk_tree_model_iter_next (model, &iter)) {
 586                         gtk_tree_selection_select_iter (sel, &iter);
 587                         scroll_to_selected (self, &iter, FALSE);
 588                 }
 589                 gtk_tree_path_free(path);
 590         }
 591
 592 }
 593
 594 void
 595 modest_header_view_select_prev (ModestHeaderView *self)
 596 {
 597         GtkTreeSelection *sel;
 598         GtkTreeIter iter;
 599         GtkTreeModel *model;
 600         GtkTreePath *path;
 601
 602         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 603         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 604         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 605                 /* Unselect previous path */
 606                 gtk_tree_selection_unselect_path (sel, path);
 607
 608                 /* Move path up */
 609                 if (gtk_tree_path_prev (path)) {
 610                         gtk_tree_model_get_iter (model, &iter, path);
 611
 612                         /* Select the new one */
 613                         gtk_tree_selection_select_iter (sel, &iter);
 614                         scroll_to_selected (self, &iter, TRUE);
 615
 616                 }
 617                 gtk_tree_path_free (path);
 618         }
 619 }
 620
 621 GList*
 622 modest_header_view_get_columns (ModestHeaderView *self)
 623 {
 624         g_return_val_if_fail (self, FALSE);
 625         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 626 }
 627
 628
 629 gboolean
 630 modest_header_view_is_empty (ModestHeaderView *self)
 631 {
 632         g_return_val_if_fail (self, FALSE);
 633         return FALSE; /* FIXME */
 634 }
 635
 636
 637 gboolean
 638 modest_header_view_set_style (ModestHeaderView *self,
 639                               ModestHeaderViewStyle style)
 640 {
 641         ModestHeaderViewPrivate *priv;
 642         gboolean show_col_headers = FALSE;
 643         ModestHeaderViewStyle old_style;
 644
 645         g_return_val_if_fail (self, FALSE);
 646         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 647                               FALSE);
 648
 649         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 650         if (priv->style == style)
 651                 return TRUE; /* nothing to do */
 652
 653         switch (style) {
 654         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 655                 show_col_headers = TRUE;
 656                 break;
 657         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 658                 break;
 659         default:
 660                 g_return_val_if_reached (FALSE);
 661         }
 662         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 663         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 664
 665         old_style   = priv->style;
 666         priv->style = style;
 667
 668         return TRUE;
 669 }
 670
 671
 672 ModestHeaderViewStyle
 673 modest_header_view_get_style (ModestHeaderView *self)
 674 {
 675         g_return_val_if_fail (self, FALSE);
 676         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 677 }
 678
 679 /*
 680  * This function sets a sortable model in the header view. It's just
 681  * used for developing purposes, because it only does a
 682  * gtk_tree_view_set_model
 683  */
 684 static void
 685 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 686 {
 687         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 688
 689         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 690                 GtkTreeModel *old_model;
 691                 ModestHeaderViewPrivate *priv;
 692
 693                 priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
 694                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 695
 696                 /* Set new model */
 697                 gtk_tree_view_set_model (header_view, model);
 698         } else
 699                 gtk_tree_view_set_model (header_view, model);
 700
 701         return;
 702 }
 703
 704 TnyFolder*
 705 modest_header_view_get_folder (ModestHeaderView *self)
 706 {
 707         ModestHeaderViewPrivate *priv;
 708         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 709
 710         if (priv->folder)
 711                 g_object_ref (priv->folder);
 712
 713         return priv->folder;
 714 }
 715
 716 static void
 717 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 718 {
 719         TnyFolderType type;
 720         TnyList *headers;
 721         ModestHeaderViewPrivate *priv;
 722         GList *cols, *cursor;
 723         GtkTreeModel *sortable;
 724         guint sort_colid;
 725         GtkSortType sort_type;
 726
 727         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 728
 729         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 730
 731         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 732                                               folder, FALSE);
 733
 734         /* Add a folder observer */
 735         g_mutex_lock (priv->monitor_lock);
 736         if (priv->monitor) {
 737                 tny_folder_monitor_stop (priv->monitor);
 738                 g_object_unref (G_OBJECT (priv->monitor));
 739         }
 740         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 741         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 742         tny_folder_monitor_start (priv->monitor);
 743         g_mutex_unlock (priv->monitor_lock);
 744
 745
 746         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 747         g_object_unref (G_OBJECT (headers));
 748
 749         /* install our special sorting functions */
 750         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 751         while (cursor) {
 752                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 753                                                                  MODEST_HEADER_VIEW_COLUMN));
 754                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 755                                                  col_id,
 756                                                  (GtkTreeIterCompareFunc) cmp_rows,
 757                                                  cursor->data, NULL);
 758                 cursor = g_list_next(cursor);
 759         }
 760         g_list_free (cols);
 761
 762         /* Restore sort column id */
 763         type  = modest_tny_folder_guess_folder_type (folder);
 764         sort_colid = modest_header_view_get_sort_column_id (self, type);
 765         sort_type = modest_header_view_get_sort_type (self, type);
 766         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 767                                               sort_colid,
 768                                               sort_type);
 769
 770         /* Set new model */
 771         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 772         g_object_unref (G_OBJECT (sortable));
 773 }
 774
 775 void
 776 modest_header_view_sort_by_column_id (ModestHeaderView *self,
 777                                       guint sort_colid,
 778                                       GtkSortType sort_type)
 779 {
 780         ModestHeaderViewPrivate *priv = NULL;
 781         GtkTreeModel *sortable = NULL;
 782         TnyFolderType type;
 783
 784         /* Get model and private data */
 785         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 786         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 787
 788         /* Sort tree model */
 789         type  = modest_tny_folder_guess_folder_type (priv->folder);
 790         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 791                                               sort_colid,
 792                                               sort_type);
 793         /* Store new sort parameters */
 794         modest_header_view_set_sort_params (self, sort_colid, sort_type, type);
 795
 796         /* Save GConf parameters */
 797 /*      modest_widget_memory_save (modest_runtime_get_conf(), */
 798 /*                                 G_OBJECT(self), "header-view"); */
 799
 800 }
 801
 802 void
 803 modest_header_view_set_sort_params (ModestHeaderView *self,
 804                                     guint sort_colid,
 805                                     GtkSortType sort_type,
 806                                     TnyFolderType type)
 807 {
 808         ModestHeaderViewPrivate *priv;
 809         ModestHeaderViewStyle style;
 810
 811         style = modest_header_view_get_style   (self);
 812         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 813
 814         priv->sort_colid[style][type] = sort_colid;
 815         priv->sort_type[style][type] = sort_type;
 816 }
 817
 818 gint
 819 modest_header_view_get_sort_column_id (ModestHeaderView *self,
 820                                        TnyFolderType type)
 821 {
 822         ModestHeaderViewPrivate *priv;
 823         ModestHeaderViewStyle style;
 824
 825         style = modest_header_view_get_style   (self);
 826         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 827
 828         return priv->sort_colid[style][type];
 829 }
 830
 831 GtkSortType
 832 modest_header_view_get_sort_type (ModestHeaderView *self,
 833                                   TnyFolderType type)
 834 {
 835         ModestHeaderViewPrivate *priv;
 836         ModestHeaderViewStyle style;
 837
 838         style = modest_header_view_get_style   (self);
 839         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 840
 841         return priv->sort_type[style][type];
 842 }
 843
 844 void
 845 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 846 {
 847         ModestHeaderViewPrivate *priv;
 848
 849         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 850
 851         if (priv->folder) {
 852                 g_object_unref (priv->folder);
 853                 priv->folder = NULL;
 854         }
 855
 856         if (folder) {
 857                 ModestMailOperation *mail_op;
 858
 859                 /* Set folder in the model */
 860                 modest_header_view_set_folder_intern (self, folder);
 861
 862                 /* Pick my reference. Nothing to do with the mail operation */
 863                 priv->folder = g_object_ref (folder);
 864
 865                 /* no message selected */
 866                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 867
 868                 /* Create the mail operation */
 869                 mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_ID_RECEIVE);
 870                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 871                                                  mail_op);
 872
 873                 /* Refresh the folder asynchronously */
 874                 modest_mail_operation_refresh_folder (mail_op, folder);
 875
 876                 /* Free */
 877                 g_object_unref (mail_op);
 878
 879         } else {
 880                 g_mutex_lock (priv->monitor_lock);
 881                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 882
 883                 if (priv->monitor) {
 884                         tny_folder_monitor_stop (priv->monitor);
 885                         g_object_unref (G_OBJECT (priv->monitor));
 886                         priv->monitor = NULL;
 887                 }
 888                 g_mutex_unlock (priv->monitor_lock);
 889         }
 890 }
 891
 892 static gboolean
 893 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 894 {
 895         ModestHeaderView *self = NULL;
 896         ModestHeaderViewPrivate *priv = NULL;
 897         GtkTreePath *path = NULL;
 898         GtkTreeIter iter;
 899         GtkTreeModel *model = NULL;
 900         TnyHeader *header;
 901         /* ignore everything but doubleclick */
 902         if (event->type != GDK_2BUTTON_PRESS)
 903                 return FALSE;
 904
 905         self = MODEST_HEADER_VIEW (widget);
 906         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 907
 908         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 909         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 910                 return FALSE;
 911
 912         /* get the first selected item */
 913         gtk_tree_model_get (model, &iter,
 914                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 915                             &header, -1);
 916         /* Emit signal */
 917         g_signal_emit (G_OBJECT(self),
 918                        signals[HEADER_ACTIVATED_SIGNAL],
 919                        0, header);
 920
 921         /* Free */
 922         g_object_unref (G_OBJECT (header));
 923         gtk_tree_path_free(path);
 924
 925         return TRUE;
 926 }
 927
 928
 929 static void
 930 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 931 {
 932         GtkTreeModel *model;
 933         TnyHeader *header;
 934         GtkTreePath *path = NULL;
 935         GtkTreeIter iter;
 936         ModestHeaderView *self;
 937         ModestHeaderViewPrivate *priv;
 938
 939         g_return_if_fail (sel);
 940         g_return_if_fail (user_data);
 941
 942         self = MODEST_HEADER_VIEW (user_data);
 943         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 944
 945         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 946         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 947                 return; /* msg was _un_selected */
 948
 949         gtk_tree_model_get (model, &iter,
 950                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 951                             &header, -1);
 952
 953         /* Emit signal */
 954         g_signal_emit (G_OBJECT(self),
 955                        signals[HEADER_SELECTED_SIGNAL],
 956                        0, header);
 957
 958         g_object_unref (G_OBJECT (header));
 959         gtk_tree_path_free(path);
 960 }
 961
 962
 963 /* PROTECTED method. It's useful when we want to force a given
 964    selection to reload a msg. For example if we have selected a header
 965    in offline mode, when Modest become online, we want to reload the
 966    message automatically without an user click over the header */
 967 void
 968 _modest_header_view_change_selection (GtkTreeSelection *selection,
 969                                       gpointer user_data)
 970 {
 971         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 972         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 973
 974         on_selection_changed (selection, user_data);
 975 }
 976
 977
 978 static gint
 979 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 980           gpointer user_data)
 981 {
 982         gint col_id;
 983         gint t1, t2;
 984         gint val1, val2;
 985         gchar *s1, *s2;
 986         gint cmp;
 987         gint sort_colid;
 988         static int counter = 0;
 989
 990         g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN(user_data), 0);
 991         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 992
 993         if (!(++counter % 100)) {
 994                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 995                                                          MODEST_HEADER_VIEW_PTR);
 996                 g_signal_emit (header_view,
 997                                signals[STATUS_UPDATE_SIGNAL],
 998                                0, _("Sorting..."), 0, 0);
 999         }
1000         switch (col_id) {
1001         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
1002         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
1003                 sort_colid = gtk_tree_view_column_get_sort_column_id (GTK_TREE_VIEW_COLUMN(user_data));
1004                 gtk_tree_model_get (tree_model, iter1,
1005                                     sort_colid, &s1,
1006                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1007                                     -1);
1008                 gtk_tree_model_get (tree_model, iter2,
1009                                     sort_colid, &s2,
1010                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1011                                     -1);
1012                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1013                 g_free (s1);
1014                 g_free (s2);
1015
1016                 return cmp ? cmp : t1 - t2;
1017
1018                 break;
1019
1020         case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
1021         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
1022
1023                 gtk_tree_model_get (tree_model, iter1,
1024                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1025                                     &t1,-1);
1026                 gtk_tree_model_get (tree_model, iter2,
1027                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1028                                     &t2,-1);
1029                 return t1 - t2;
1030
1031         case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
1032         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
1033                 gtk_tree_model_get (tree_model, iter1,
1034                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1035                                     &t1,-1);
1036                 gtk_tree_model_get (tree_model, iter2,
1037                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1038                                     &t2,-1);
1039                 return t1 - t2;
1040
1041
1042                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
1043                 /* FIXME: what about received-date? */
1044         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
1045
1046                 gtk_tree_model_get (tree_model, iter1,
1047                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
1048                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1049                                     -1);
1050                 gtk_tree_model_get (tree_model, iter2,
1051                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
1052                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1053                                     -1);
1054
1055                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
1056                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
1057                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
1058                                                      TRUE);
1059                 g_free (s1);
1060                 g_free (s2);
1061
1062                 return cmp ? cmp : t1 - t2;
1063         }
1064
1065         case MODEST_HEADER_VIEW_COLUMN_FROM:
1066
1067                 gtk_tree_model_get (tree_model, iter1,
1068                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
1069                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1070                                     -1);
1071                 gtk_tree_model_get (tree_model, iter2,
1072                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &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         case MODEST_HEADER_VIEW_COLUMN_TO:
1082
1083                 gtk_tree_model_get (tree_model, iter1,
1084                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1085                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1086                                     -1);
1087                 gtk_tree_model_get (tree_model, iter2,
1088                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1089                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1090                                     -1);
1091                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1092                 g_free (s1);
1093                 g_free (s2);
1094
1095                 return cmp ? cmp : t1 - t2;
1096
1097         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1098
1099                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1100                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1101                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1102                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1103
1104                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1105                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1106
1107                 return cmp ? cmp : t1 - t2;
1108
1109         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1110                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1111                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1112                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1113                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1114                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1115
1116                 return cmp ? cmp : t1 - t2;
1117
1118         case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
1119                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1120                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1121                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1122                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1123
1124                 int flag_sort = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_FLAG_SORT));
1125                 switch (flag_sort) {
1126                 case TNY_HEADER_FLAG_ATTACHMENTS:
1127                         cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1128                                 (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1129                         break;
1130                 case TNY_HEADER_FLAG_PRIORITY:
1131                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1132                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1133                         break;
1134                 default:
1135                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1136                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1137                 }
1138
1139                 return cmp ? cmp : t1 - t2;
1140         default:
1141                 return &iter1 - &iter2; /* oughhhh  */
1142         }
1143 }
1144
1145 /* Drag and drop stuff */
1146 static void
1147 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1148                   GtkSelectionData *selection_data,
1149                   guint info,  guint time, gpointer data)
1150 {
1151         GtkTreeModel *model;
1152         GtkTreeIter iter;
1153         GtkTreePath *source_row;
1154
1155         source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
1156         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1157
1158         switch (info) {
1159         case MODEST_HEADER_ROW:
1160                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1161                 break;
1162         case MODEST_MSG: {
1163                 TnyHeader *hdr;
1164                 gtk_tree_model_get (model, &iter,
1165                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1166                                     -1);
1167                 if (hdr) {
1168                         g_object_unref (G_OBJECT(hdr));
1169                 }
1170                 break;
1171         }
1172         default:
1173                 g_message ("default");
1174         }
1175
1176         gtk_tree_path_free (source_row);
1177 }
1178
1179 /* Header view drag types */
1180 const GtkTargetEntry header_view_drag_types[] = {
1181         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1182         { "text/uri-list",      0,                   MODEST_MSG },
1183
1184 };
1185
1186 static void
1187 setup_drag_and_drop (GtkTreeView *self)
1188 {
1189         gtk_drag_source_set (GTK_WIDGET (self),
1190                              GDK_BUTTON1_MASK,
1191                              header_view_drag_types,
1192                              G_N_ELEMENTS (header_view_drag_types),
1193                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1194
1195         g_signal_connect(G_OBJECT (self), "drag_data_get",
1196                          G_CALLBACK(drag_data_get_cb), NULL);
1197 }
1198
1199 static GtkTreePath *
1200 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1201 {
1202         GtkTreePath *path = NULL;
1203         GtkTreeSelection *sel = NULL;
1204         GList *rows = NULL;
1205
1206         sel   = gtk_tree_view_get_selection(self);
1207         rows = gtk_tree_selection_get_selected_rows (sel, model);
1208
1209         if ((rows == NULL) || (g_list_length(rows) != 1))
1210                 goto frees;
1211
1212         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1213
1214
1215         /* Free */
1216  frees:
1217         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1218         g_list_free(rows);
1219
1220         return path;
1221 }
1222
1223 /*
1224  * This function moves the tree view scroll to the current selected
1225  * row when the widget grabs the focus
1226  */
1227 static gboolean
1228 on_focus_in (GtkWidget     *self,
1229              GdkEventFocus *event,
1230              gpointer       user_data)
1231 {
1232         GtkTreeSelection *selection;
1233         GtkTreeModel *model;
1234         GList *selected = NULL;
1235         GtkTreePath *selected_path = NULL;
1236
1237         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1238         if (!model)
1239                 return FALSE;
1240
1241         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1242         /* If none selected yet, pick the first one */
1243         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1244                 GtkTreeIter iter;
1245                 GtkTreePath *path;
1246
1247                 /* Return if the model is empty */
1248                 if (!gtk_tree_model_get_iter_first (model, &iter))
1249                         return FALSE;
1250
1251                 path = gtk_tree_model_get_path (model, &iter);
1252                 gtk_tree_selection_select_path (selection, path);
1253                 gtk_tree_path_free (path);
1254         }
1255
1256         /* Need to get the all the rows because is selection multiple */
1257         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1258         selected_path = (GtkTreePath *) selected->data;
1259
1260         /* Check if we need to scroll */
1261         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1262         GtkTreePath *start_path = NULL;
1263         GtkTreePath *end_path = NULL;
1264         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1265                                              &start_path,
1266                                              &end_path)) {
1267
1268                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1269                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1270
1271                         /* Scroll to first path */
1272                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1273                                                       selected_path,
1274                                                       NULL,
1275                                                       TRUE,
1276                                                       0.5,
1277                                                       0.0);
1278                 }
1279         }
1280         #endif /* GTK_CHECK_VERSION */
1281
1282         /* Frees */
1283         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1284         g_list_free (selected);
1285
1286         return FALSE;
1287 }