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 #include "modest-platform.h"
  46
  47 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  48 static void modest_header_view_init        (ModestHeaderView *obj);
  49 static void modest_header_view_finalize    (GObject *obj);
  50
  51 static gboolean      on_header_clicked      (GtkWidget *widget,
  52                                             GdkEventButton *event,
  53                                             gpointer user_data);
  54
  55 static gint          cmp_rows               (GtkTreeModel *tree_model,
  56                                              GtkTreeIter *iter1,
  57                                              GtkTreeIter *iter2,
  58                                              gpointer user_data);
  59
  60 static void          on_selection_changed   (GtkTreeSelection *sel,
  61                                              gpointer user_data);
  62
  63 static void          setup_drag_and_drop    (GtkTreeView *self);
  64
  65 static GtkTreePath * get_selected_row       (GtkTreeView *self, GtkTreeModel **model);
  66
  67 static gboolean      on_focus_in            (GtkWidget     *sef,
  68                                              GdkEventFocus *event,
  69                                              gpointer       user_data);
  70
  71 static void          folder_monitor_update  (TnyFolderObserver *self,
  72                                              TnyFolderChange *change);
  73
  74 static void          tny_folder_observer_init (TnyFolderObserverIface *klass);
  75
  76 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  77 struct _ModestHeaderViewPrivate {
  78         TnyFolder            *folder;
  79         ModestHeaderViewStyle style;
  80
  81         TnyFolderMonitor     *monitor;
  82         GMutex               *observers_lock;
  83
  84         gint                  sort_colid[2][TNY_FOLDER_TYPE_NUM];
  85         gint                  sort_type[2][TNY_FOLDER_TYPE_NUM];
  86
  87
  88 };
  89
  90 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  91                                                 MODEST_TYPE_HEADER_VIEW, \
  92                                                 ModestHeaderViewPrivate))
  93
  94
  95
  96 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  97
  98 enum {
  99         HEADER_SELECTED_SIGNAL,
 100         HEADER_ACTIVATED_SIGNAL,
 101         ITEM_NOT_FOUND_SIGNAL,
 102         STATUS_UPDATE_SIGNAL,
 103         LAST_SIGNAL
 104 };
 105
 106 /* globals */
 107 static GObjectClass *parent_class = NULL;
 108
 109 /* uncomment the following if you have defined any signals */
 110 static guint signals[LAST_SIGNAL] = {0};
 111
 112 GType
 113 modest_header_view_get_type (void)
 114 {
 115         static GType my_type = 0;
 116         if (!my_type) {
 117                 static const GTypeInfo my_info = {
 118                         sizeof(ModestHeaderViewClass),
 119                         NULL,           /* base init */
 120                         NULL,           /* base finalize */
 121                         (GClassInitFunc) modest_header_view_class_init,
 122                         NULL,           /* class finalize */
 123                         NULL,           /* class data */
 124                         sizeof(ModestHeaderView),
 125                         1,              /* n_preallocs */
 126                         (GInstanceInitFunc) modest_header_view_init,
 127                         NULL
 128                 };
 129
 130                 static const GInterfaceInfo tny_folder_observer_info =
 131                 {
 132                         (GInterfaceInitFunc) tny_folder_observer_init, /* interface_init */
 133                         NULL,         /* interface_finalize */
 134                         NULL          /* interface_data */
 135                 };
 136                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 137                                                   "ModestHeaderView",
 138                                                   &my_info, 0);
 139
 140                 g_type_add_interface_static (my_type, TNY_TYPE_FOLDER_OBSERVER,
 141                                              &tny_folder_observer_info);
 142
 143
 144         }
 145         return my_type;
 146 }
 147
 148 static void
 149 modest_header_view_class_init (ModestHeaderViewClass *klass)
 150 {
 151         GObjectClass *gobject_class;
 152         gobject_class = (GObjectClass*) klass;
 153
 154         parent_class            = g_type_class_peek_parent (klass);
 155         gobject_class->finalize = modest_header_view_finalize;
 156
 157         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 158
 159         signals[HEADER_SELECTED_SIGNAL] =
 160                 g_signal_new ("header_selected",
 161                               G_TYPE_FROM_CLASS (gobject_class),
 162                               G_SIGNAL_RUN_FIRST,
 163                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 164                               NULL, NULL,
 165                               g_cclosure_marshal_VOID__POINTER,
 166                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 167
 168         signals[HEADER_ACTIVATED_SIGNAL] =
 169                 g_signal_new ("header_activated",
 170                               G_TYPE_FROM_CLASS (gobject_class),
 171                               G_SIGNAL_RUN_FIRST,
 172                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 173                               NULL, NULL,
 174                               g_cclosure_marshal_VOID__POINTER,
 175                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 176
 177
 178         signals[ITEM_NOT_FOUND_SIGNAL] =
 179                 g_signal_new ("item_not_found",
 180                               G_TYPE_FROM_CLASS (gobject_class),
 181                               G_SIGNAL_RUN_FIRST,
 182                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 183                               NULL, NULL,
 184                               g_cclosure_marshal_VOID__INT,
 185                               G_TYPE_NONE, 1, G_TYPE_INT);
 186
 187         signals[STATUS_UPDATE_SIGNAL] =
 188                 g_signal_new ("status_update",
 189                               G_TYPE_FROM_CLASS (gobject_class),
 190                               G_SIGNAL_RUN_FIRST,
 191                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 192                               NULL, NULL,
 193                               modest_marshal_VOID__STRING_INT_INT,
 194                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 195 }
 196
 197 static void
 198 tny_folder_observer_init (TnyFolderObserverIface *klass)
 199 {
 200         klass->update_func = folder_monitor_update;
 201 }
 202
 203 static GtkTreeViewColumn*
 204 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 205                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 206                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 207 {
 208         GtkTreeViewColumn *column;
 209
 210         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 211         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 212
 213         gtk_tree_view_column_set_resizable (column, resizable);
 214         if (resizable)
 215                 gtk_tree_view_column_set_expand (column, TRUE);
 216
 217         if (show_as_text)
 218                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 219                                                     sort_col_id);
 220         if (sort_col_id >= 0)
 221                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 222
 223         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 224         gtk_tree_view_column_set_reorderable (column, TRUE);
 225
 226         if (cell_data_func)
 227                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 228                                                         user_data, NULL);
 229         return column;
 230 }
 231
 232
 233
 234
 235 static void
 236 remove_all_columns (ModestHeaderView *obj)
 237 {
 238         GList *columns, *cursor;
 239
 240         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 241
 242         for (cursor = columns; cursor; cursor = cursor->next)
 243                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 244                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 245         g_list_free (columns);
 246 }
 247
 248 gboolean
 249 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, TnyFolderType type)
 250 {
 251         GtkTreeModel *sortable;
 252         GtkTreeViewColumn *column=NULL;
 253         GtkTreeSelection *selection = NULL;
 254         GtkCellRenderer *renderer_msgtype,*renderer_header,
 255                 *renderer_attach,  *renderer_comptact_flag,
 256                 *renderer_compact_date;
 257         ModestHeaderViewPrivate *priv;
 258         const GList *cursor;
 259
 260         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 261
 262         /* FIXME: check whether these renderers need to be freed */
 263         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 264         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 265         renderer_header  = gtk_cell_renderer_text_new ();
 266         renderer_comptact_flag  = gtk_cell_renderer_pixbuf_new ();
 267         renderer_compact_date  = gtk_cell_renderer_text_new ();
 268
 269         g_object_set(G_OBJECT(renderer_header),
 270                      "ellipsize", PANGO_ELLIPSIZE_END,
 271                      NULL);
 272         g_object_set(G_OBJECT(renderer_compact_date),
 273                      "xalign", 1.0,
 274                      NULL);
 275
 276         remove_all_columns (self);
 277
 278         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 279         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
 280         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 281
 282         /* Add new columns */
 283         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 284                 ModestHeaderViewColumn col =
 285                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 286
 287                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 288                         g_printerr ("modest: invalid column %d in column list\n", col);
 289                         continue;
 290                 }
 291
 292                 switch (col) {
 293
 294                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 295                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 296                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 297                                                  FALSE,
 298                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 299                                                  NULL);
 300                         gtk_tree_view_column_set_fixed_width (column, 45);
 301                         break;
 302
 303                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 304                         column = get_new_column (_("A"), renderer_attach, FALSE,
 305                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 306                                                  FALSE,
 307                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 308                                                  NULL);
 309                         gtk_tree_view_column_set_fixed_width (column, 45);
 310                         break;
 311
 312
 313                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 314                         column = get_new_column (_("From"), renderer_header, TRUE,
 315                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 316                                                  TRUE,
 317                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 318                                                  GINT_TO_POINTER(TRUE));
 319                         break;
 320
 321                 case MODEST_HEADER_VIEW_COLUMN_TO:
 322                         column = get_new_column (_("To"), renderer_header, TRUE,
 323                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 324                                                  TRUE,
 325                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 326                                                  GINT_TO_POINTER(FALSE));
 327                         break;
 328
 329                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
 330                         column = get_new_column (_("F"), renderer_comptact_flag, FALSE,
 331                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 332                                                  FALSE,
 333                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_flag_cell_data,
 334                                                  NULL);
 335                         gtk_tree_view_column_set_fixed_width (column, 45);
 336                         break;
 337
 338                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 339                         column = get_new_column (_("Header"), renderer_header, TRUE,
 340                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 341                                                  TRUE,
 342                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 343                                                  GINT_TO_POINTER(TRUE));
 344                         break;
 345
 346                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 347                         column = get_new_column (_("Header"), renderer_header, TRUE,
 348                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 349                                                  TRUE,
 350                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 351                                                  GINT_TO_POINTER(FALSE));
 352                         break;
 353
 354
 355                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 356                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 357                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 358                                                  TRUE,
 359                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 360                                                  NULL);
 361                         break;
 362
 363                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 364                         column = get_new_column (_("Received"), renderer_header, TRUE,
 365                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 366                                                  TRUE,
 367                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 368                                                  GINT_TO_POINTER(TRUE));
 369                         break;
 370
 371                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 372                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 373                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 374                                                  TRUE,
 375                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 376                                                  GINT_TO_POINTER(FALSE));
 377                         break;
 378
 379                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
 380                         column = get_new_column (_("Received"), renderer_compact_date, FALSE,
 381                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 382                                                  TRUE,
 383                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 384                                                  GINT_TO_POINTER(TRUE));
 385                         gtk_tree_view_column_set_fixed_width (column, 130);
 386                         break;
 387
 388                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
 389                         column = get_new_column (_("Sent"), renderer_compact_date, FALSE,
 390                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 391                                                  TRUE,
 392                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
 393                                                  GINT_TO_POINTER(FALSE));
 394                         gtk_tree_view_column_set_fixed_width (column, 130);
 395                         break;
 396                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 397                         column = get_new_column (_("Size"), renderer_header, TRUE,
 398                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 399                                                  FALSE,
 400                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 401                                                  NULL);
 402                         break;
 403                 case MODEST_HEADER_VIEW_COLUMN_STATUS:
 404                         column = get_new_column (_("Status"), renderer_compact_date, TRUE,
 405                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 406                                                  FALSE,
 407                                                  (GtkTreeCellDataFunc)_modest_header_view_status_cell_data,
 408                                                  NULL);
 409                         break;
 410
 411                 default:
 412                         g_return_val_if_reached(FALSE);
 413                 }
 414
 415                 if (sortable) {
 416                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 417                                                          col,
 418                                                          (GtkTreeIterCompareFunc) cmp_rows,
 419                                                          column, NULL);
 420                 }
 421
 422                 /* we keep the column id around */
 423                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 424                                    GINT_TO_POINTER(col));
 425
 426                 /* we need this ptr when sorting the rows */
 427                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 428                                    self);
 429                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 430         }
 431
 432         return TRUE;
 433 }
 434
 435 static void
 436 modest_header_view_init (ModestHeaderView *obj)
 437 {
 438         ModestHeaderViewPrivate *priv;
 439         guint i, j;
 440
 441         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 442
 443         priv->folder  = NULL;
 444
 445         priv->monitor        = NULL;
 446         priv->observers_lock = g_mutex_new ();
 447
 448         /* Sort parameters */
 449         for (j=0; j < 2; j++) {
 450                 for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) {
 451                         priv->sort_colid[j][i] = -1;
 452                         priv->sort_type[j][i] = GTK_SORT_DESCENDING;
 453                 }
 454         }
 455
 456         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 457 }
 458
 459 static void
 460 modest_header_view_finalize (GObject *obj)
 461 {
 462         ModestHeaderView        *self;
 463         ModestHeaderViewPrivate *priv;
 464
 465         self = MODEST_HEADER_VIEW(obj);
 466         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 467
 468         g_mutex_lock (priv->observers_lock);
 469         if (priv->monitor) {
 470                 tny_folder_monitor_stop (priv->monitor);
 471                 g_object_unref (G_OBJECT (priv->monitor));
 472         }
 473         g_mutex_unlock (priv->observers_lock);
 474         g_mutex_free (priv->observers_lock);
 475
 476         if (priv->folder) {
 477                 tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (obj));
 478                 g_object_unref (G_OBJECT (priv->folder));
 479                 priv->folder   = NULL;
 480         }
 481
 482         G_OBJECT_CLASS(parent_class)->finalize (obj);
 483 }
 484
 485
 486 GtkWidget*
 487 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 488 {
 489         GObject *obj;
 490         GtkTreeSelection *sel;
 491         ModestHeaderView *self;
 492         ModestHeaderViewPrivate *priv;
 493
 494         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 495                               NULL);
 496
 497         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 498         self = MODEST_HEADER_VIEW(obj);
 499         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 500
 501         modest_header_view_set_style   (self, style);
 502         modest_header_view_set_folder (self, NULL);
 503
 504         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 505         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 506         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 507
 508         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 509                                       TRUE); /* alternating row colors */
 510         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 511
 512         g_signal_connect (sel, "changed",
 513                           G_CALLBACK(on_selection_changed), self);
 514
 515         g_signal_connect (self, "button-press-event",
 516                           G_CALLBACK(on_header_clicked), NULL);
 517
 518         g_signal_connect (self, "focus-in-event",
 519                           G_CALLBACK(on_focus_in), NULL);
 520
 521         return GTK_WIDGET(self);
 522 }
 523
 524
 525 TnyList *
 526 modest_header_view_get_selected_headers (ModestHeaderView *self)
 527 {
 528         GtkTreeSelection *sel;
 529         ModestHeaderViewPrivate *priv;
 530         TnyList *header_list = NULL;
 531         TnyHeader *header;
 532         GList *list, *tmp = NULL;
 533         GtkTreeModel *tree_model = NULL;
 534         GtkTreeIter iter;
 535
 536         g_return_val_if_fail (self, NULL);
 537
 538         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 539
 540         /* Get selected rows */
 541         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 542         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 543
 544         if (list) {
 545                 header_list = tny_simple_list_new();
 546
 547                 list = g_list_reverse (list);
 548                 tmp = list;
 549                 while (tmp) {
 550                         /* get header from selection */
 551                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 552                         gtk_tree_model_get (tree_model, &iter,
 553                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 554                                             &header, -1);
 555                         /* Prepend to list */
 556                         tny_list_prepend (header_list, G_OBJECT (header));
 557                         g_object_unref (G_OBJECT (header));
 558
 559                         tmp = g_list_next (tmp);
 560                 }
 561                 /* Clean up*/
 562                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 563                 g_list_free (list);
 564         }
 565         return header_list;
 566 }
 567
 568
 569 /* scroll our list view so the selected item is visible */
 570 static void
 571 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 572 {
 573 #ifdef MODEST_PLATFORM_GNOME
 574
 575         GtkTreePath *selected_path;
 576         GtkTreePath *start, *end;
 577
 578         GtkTreeModel *model;
 579
 580         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 581         selected_path = gtk_tree_model_get_path (model, iter);
 582
 583         start = gtk_tree_path_new ();
 584         end   = gtk_tree_path_new ();
 585
 586         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 587
 588         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 589             gtk_tree_path_compare (end, selected_path) < 0)
 590                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 591                                               selected_path, NULL, TRUE,
 592                                               up ? 0.0 : 1.0,
 593                                               up ? 0.0 : 1.0);
 594         gtk_tree_path_free (selected_path);
 595         gtk_tree_path_free (start);
 596         gtk_tree_path_free (end);
 597
 598 #endif /* MODEST_PLATFORM_GNOME */
 599 }
 600
 601
 602 void
 603 modest_header_view_select_next (ModestHeaderView *self)
 604 {
 605         GtkTreeSelection *sel;
 606         GtkTreeIter iter;
 607         GtkTreeModel *model;
 608         GtkTreePath *path;
 609
 610         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 611         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 612         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 613                 /* Unselect previous path */
 614                 gtk_tree_selection_unselect_path (sel, path);
 615
 616                 /* Move path down and selects new one  */
 617                 if (gtk_tree_model_iter_next (model, &iter)) {
 618                         gtk_tree_selection_select_iter (sel, &iter);
 619                         scroll_to_selected (self, &iter, FALSE);
 620                 }
 621                 gtk_tree_path_free(path);
 622         }
 623
 624 }
 625
 626 void
 627 modest_header_view_select_prev (ModestHeaderView *self)
 628 {
 629         GtkTreeSelection *sel;
 630         GtkTreeIter iter;
 631         GtkTreeModel *model;
 632         GtkTreePath *path;
 633
 634         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 635         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 636         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 637                 /* Unselect previous path */
 638                 gtk_tree_selection_unselect_path (sel, path);
 639
 640                 /* Move path up */
 641                 if (gtk_tree_path_prev (path)) {
 642                         gtk_tree_model_get_iter (model, &iter, path);
 643
 644                         /* Select the new one */
 645                         gtk_tree_selection_select_iter (sel, &iter);
 646                         scroll_to_selected (self, &iter, TRUE);
 647
 648                 }
 649                 gtk_tree_path_free (path);
 650         }
 651 }
 652
 653 GList*
 654 modest_header_view_get_columns (ModestHeaderView *self)
 655 {
 656         g_return_val_if_fail (self, FALSE);
 657         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 658 }
 659
 660
 661 gboolean
 662 modest_header_view_is_empty (ModestHeaderView *self)
 663 {
 664         g_return_val_if_fail (self, FALSE);
 665         return FALSE; /* FIXME */
 666 }
 667
 668
 669 gboolean
 670 modest_header_view_set_style (ModestHeaderView *self,
 671                               ModestHeaderViewStyle style)
 672 {
 673         ModestHeaderViewPrivate *priv;
 674         gboolean show_col_headers = FALSE;
 675         ModestHeaderViewStyle old_style;
 676
 677         g_return_val_if_fail (self, FALSE);
 678         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 679                               FALSE);
 680
 681         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 682         if (priv->style == style)
 683                 return TRUE; /* nothing to do */
 684
 685         switch (style) {
 686         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 687                 show_col_headers = TRUE;
 688                 break;
 689         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 690                 break;
 691         default:
 692                 g_return_val_if_reached (FALSE);
 693         }
 694         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 695         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 696
 697         old_style   = priv->style;
 698         priv->style = style;
 699
 700         return TRUE;
 701 }
 702
 703
 704 ModestHeaderViewStyle
 705 modest_header_view_get_style (ModestHeaderView *self)
 706 {
 707         g_return_val_if_fail (self, FALSE);
 708         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 709 }
 710
 711 /*
 712  * This function sets a sortable model in the header view. It's just
 713  * used for developing purposes, because it only does a
 714  * gtk_tree_view_set_model
 715  */
 716 static void
 717 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 718 {
 719         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 720
 721         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 722                 GtkTreeModel *old_model;
 723                 ModestHeaderViewPrivate *priv;
 724
 725                 priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
 726                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 727
 728                 /* Set new model */
 729                 gtk_tree_view_set_model (header_view, model);
 730         } else
 731                 gtk_tree_view_set_model (header_view, model);
 732
 733         return;
 734 }
 735
 736 TnyFolder*
 737 modest_header_view_get_folder (ModestHeaderView *self)
 738 {
 739         ModestHeaderViewPrivate *priv;
 740         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 741
 742         if (priv->folder)
 743                 g_object_ref (priv->folder);
 744
 745         return priv->folder;
 746 }
 747
 748 static void
 749 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 750 {
 751         TnyFolderType type;
 752         TnyList *headers;
 753         ModestHeaderViewPrivate *priv;
 754         GList *cols, *cursor;
 755         GtkTreeModel *sortable;
 756         guint sort_colid;
 757         GtkSortType sort_type;
 758
 759         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 760
 761         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 762
 763         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 764                                               folder, FALSE);
 765
 766         /* Add IDLE observer (monitor) and another folder observer for
 767            new messages (self) */
 768         g_mutex_lock (priv->observers_lock);
 769         if (priv->monitor) {
 770                 tny_folder_monitor_stop (priv->monitor);
 771                 g_object_unref (G_OBJECT (priv->monitor));
 772         }
 773         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 774         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 775         tny_folder_monitor_start (priv->monitor);
 776         tny_folder_add_observer (folder, TNY_FOLDER_OBSERVER (self));
 777         g_mutex_unlock (priv->observers_lock);
 778
 779         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 780         g_object_unref (G_OBJECT (headers));
 781
 782         /* install our special sorting functions */
 783         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 784         while (cursor) {
 785                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 786                                                                  MODEST_HEADER_VIEW_COLUMN));
 787                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 788                                                  col_id,
 789                                                  (GtkTreeIterCompareFunc) cmp_rows,
 790                                                  cursor->data, NULL);
 791                 cursor = g_list_next(cursor);
 792         }
 793
 794         /* Restore sort column id */
 795         if (cols) {
 796                 type  = modest_tny_folder_guess_folder_type (folder);
 797                 sort_colid = modest_header_view_get_sort_column_id (self, type);
 798                 sort_type = modest_header_view_get_sort_type (self, type);
 799                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 800                                                       sort_colid,
 801                                                       sort_type);
 802         }
 803
 804         /* Set new model */
 805         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 806         g_object_unref (G_OBJECT (sortable));
 807
 808         /* Free */
 809         g_list_free (cols);
 810 }
 811
 812 void
 813 modest_header_view_sort_by_column_id (ModestHeaderView *self,
 814                                       guint sort_colid,
 815                                       GtkSortType sort_type)
 816 {
 817         ModestHeaderViewPrivate *priv = NULL;
 818         GtkTreeModel *sortable = NULL;
 819         TnyFolderType type;
 820
 821         /* Get model and private data */
 822         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 823         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 824
 825         /* Sort tree model */
 826         type  = modest_tny_folder_guess_folder_type (priv->folder);
 827         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 828                                               sort_colid,
 829                                               sort_type);
 830         /* Store new sort parameters */
 831         modest_header_view_set_sort_params (self, sort_colid, sort_type, type);
 832
 833         /* Save GConf parameters */
 834 /*      modest_widget_memory_save (modest_runtime_get_conf(), */
 835 /*                                 G_OBJECT(self), "header-view"); */
 836
 837 }
 838
 839 void
 840 modest_header_view_set_sort_params (ModestHeaderView *self,
 841                                     guint sort_colid,
 842                                     GtkSortType sort_type,
 843                                     TnyFolderType type)
 844 {
 845         ModestHeaderViewPrivate *priv;
 846         ModestHeaderViewStyle style;
 847
 848         style = modest_header_view_get_style   (self);
 849         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 850
 851         priv->sort_colid[style][type] = sort_colid;
 852         priv->sort_type[style][type] = sort_type;
 853 }
 854
 855 gint
 856 modest_header_view_get_sort_column_id (ModestHeaderView *self,
 857                                        TnyFolderType type)
 858 {
 859         ModestHeaderViewPrivate *priv;
 860         ModestHeaderViewStyle style;
 861
 862         style = modest_header_view_get_style   (self);
 863         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 864
 865         return priv->sort_colid[style][type];
 866 }
 867
 868 GtkSortType
 869 modest_header_view_get_sort_type (ModestHeaderView *self,
 870                                   TnyFolderType type)
 871 {
 872         ModestHeaderViewPrivate *priv;
 873         ModestHeaderViewStyle style;
 874
 875         style = modest_header_view_get_style   (self);
 876         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 877
 878         return priv->sort_type[style][type];
 879 }
 880
 881 void
 882 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 883 {
 884         ModestHeaderViewPrivate *priv;
 885
 886         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 887
 888         if (priv->folder) {
 889                 g_mutex_lock (priv->observers_lock);
 890                 tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (self));
 891                 g_object_unref (priv->folder);
 892                 priv->folder = NULL;
 893                 g_mutex_unlock (priv->observers_lock);
 894         }
 895
 896         if (folder) {
 897                 ModestMailOperation *mail_op;
 898
 899                 /* Set folder in the model */
 900                 modest_header_view_set_folder_intern (self, folder);
 901
 902                 /* Pick my reference. Nothing to do with the mail operation */
 903                 priv->folder = g_object_ref (folder);
 904
 905                 /* no message selected */
 906                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 907
 908                 /* Create the mail operation */
 909                 mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_RECEIVE, NULL);
 910                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 911                                                  mail_op);
 912
 913                 /* Refresh the folder asynchronously */
 914                 modest_mail_operation_refresh_folder (mail_op, folder);
 915
 916                 /* Free */
 917                 g_object_unref (mail_op);
 918
 919         } else {
 920                 g_mutex_lock (priv->observers_lock);
 921
 922                 if (priv->monitor) {
 923                         tny_folder_monitor_stop (priv->monitor);
 924                         g_object_unref (G_OBJECT (priv->monitor));
 925                         priv->monitor = NULL;
 926                 }
 927                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 928
 929                 g_mutex_unlock (priv->observers_lock);
 930         }
 931 }
 932
 933 static gboolean
 934 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 935 {
 936         ModestHeaderView *self = NULL;
 937         ModestHeaderViewPrivate *priv = NULL;
 938         GtkTreePath *path = NULL;
 939         GtkTreeIter iter;
 940         GtkTreeModel *model = NULL;
 941         TnyHeader *header;
 942         /* ignore everything but doubleclick */
 943         if (event->type != GDK_2BUTTON_PRESS)
 944                 return FALSE;
 945
 946         self = MODEST_HEADER_VIEW (widget);
 947         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 948
 949         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 950         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 951                 return FALSE;
 952
 953         /* get the first selected item */
 954         gtk_tree_model_get (model, &iter,
 955                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 956                             &header, -1);
 957         /* Emit signal */
 958         g_signal_emit (G_OBJECT(self),
 959                        signals[HEADER_ACTIVATED_SIGNAL],
 960                        0, header);
 961
 962         /* Free */
 963         g_object_unref (G_OBJECT (header));
 964         gtk_tree_path_free(path);
 965
 966         return TRUE;
 967 }
 968
 969
 970 static void
 971 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 972 {
 973         GtkTreeModel *model;
 974         TnyHeader *header;
 975         GtkTreePath *path = NULL;
 976         GtkTreeIter iter;
 977         ModestHeaderView *self;
 978         ModestHeaderViewPrivate *priv;
 979
 980         g_return_if_fail (sel);
 981         g_return_if_fail (user_data);
 982
 983         self = MODEST_HEADER_VIEW (user_data);
 984         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 985
 986         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 987         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 988                 return; /* msg was _un_selected */
 989
 990         gtk_tree_model_get (model, &iter,
 991                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 992                             &header, -1);
 993
 994         /* Emit signal */
 995         g_signal_emit (G_OBJECT(self),
 996                        signals[HEADER_SELECTED_SIGNAL],
 997                        0, header);
 998
 999         g_object_unref (G_OBJECT (header));
1000         gtk_tree_path_free(path);
1001 }
1002
1003
1004 /* PROTECTED method. It's useful when we want to force a given
1005    selection to reload a msg. For example if we have selected a header
1006    in offline mode, when Modest become online, we want to reload the
1007    message automatically without an user click over the header */
1008 void
1009 _modest_header_view_change_selection (GtkTreeSelection *selection,
1010                                       gpointer user_data)
1011 {
1012         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
1013         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
1014
1015         on_selection_changed (selection, user_data);
1016 }
1017
1018
1019 static gint
1020 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1021           gpointer user_data)
1022 {
1023         gint col_id;
1024         gint t1, t2;
1025         gint val1, val2;
1026         gchar *s1, *s2;
1027         gint cmp;
1028         gint sort_colid;
1029         static int counter = 0;
1030
1031         g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN(user_data), 0);
1032         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
1033
1034         if (!(++counter % 100)) {
1035                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
1036                                                          MODEST_HEADER_VIEW_PTR);
1037                 g_signal_emit (header_view,
1038                                signals[STATUS_UPDATE_SIGNAL],
1039                                0, _("Sorting..."), 0, 0);
1040         }
1041         switch (col_id) {
1042         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
1043         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
1044                 sort_colid = gtk_tree_view_column_get_sort_column_id (GTK_TREE_VIEW_COLUMN(user_data));
1045                 gtk_tree_model_get (tree_model, iter1,
1046                                     sort_colid, &s1,
1047                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1048                                     -1);
1049                 gtk_tree_model_get (tree_model, iter2,
1050                                     sort_colid, &s2,
1051                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1052                                     -1);
1053                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1054                 g_free (s1);
1055                 g_free (s2);
1056
1057                 return cmp ? cmp : t1 - t2;
1058
1059                 break;
1060
1061         case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
1062         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
1063
1064                 gtk_tree_model_get (tree_model, iter1,
1065                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1066                                     &t1,-1);
1067                 gtk_tree_model_get (tree_model, iter2,
1068                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
1069                                     &t2,-1);
1070                 return t1 - t2;
1071
1072         case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
1073         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
1074                 gtk_tree_model_get (tree_model, iter1,
1075                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1076                                     &t1,-1);
1077                 gtk_tree_model_get (tree_model, iter2,
1078                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
1079                                     &t2,-1);
1080                 return t1 - t2;
1081
1082
1083                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
1084                 /* FIXME: what about received-date? */
1085         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
1086
1087                 gtk_tree_model_get (tree_model, iter1,
1088                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
1089                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1090                                     -1);
1091                 gtk_tree_model_get (tree_model, iter2,
1092                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
1093                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1094                                     -1);
1095
1096                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
1097                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
1098                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
1099                                                      TRUE);
1100                 g_free (s1);
1101                 g_free (s2);
1102
1103                 return cmp ? cmp : t1 - t2;
1104         }
1105
1106         case MODEST_HEADER_VIEW_COLUMN_FROM:
1107
1108                 gtk_tree_model_get (tree_model, iter1,
1109                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
1110                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1111                                     -1);
1112                 gtk_tree_model_get (tree_model, iter2,
1113                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
1114                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1115                                     -1);
1116                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1117                 g_free (s1);
1118                 g_free (s2);
1119
1120                 return cmp ? cmp : t1 - t2;
1121
1122         case MODEST_HEADER_VIEW_COLUMN_TO:
1123
1124                 gtk_tree_model_get (tree_model, iter1,
1125                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1126                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1127                                     -1);
1128                 gtk_tree_model_get (tree_model, iter2,
1129                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1130                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1131                                     -1);
1132                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1133                 g_free (s1);
1134                 g_free (s2);
1135
1136                 return cmp ? cmp : t1 - t2;
1137
1138         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1139
1140                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1141                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1142                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1143                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1144
1145                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1146                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1147
1148                 return cmp ? cmp : t1 - t2;
1149
1150         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1151                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1152                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1153                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1154                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1155                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1156
1157                 return cmp ? cmp : t1 - t2;
1158
1159         case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
1160                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1161                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1162                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1163                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1164
1165                 int flag_sort = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_FLAG_SORT));
1166                 switch (flag_sort) {
1167                 case TNY_HEADER_FLAG_ATTACHMENTS:
1168                         cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1169                                 (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1170                         break;
1171                 case TNY_HEADER_FLAG_PRIORITY:
1172                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1173                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1174                         break;
1175                 default:
1176                         cmp = (val1 & TNY_HEADER_FLAG_PRIORITY) -
1177                                 (val2 & TNY_HEADER_FLAG_PRIORITY);
1178                 }
1179
1180                 return cmp ? cmp : t1 - t2;
1181         default:
1182                 return &iter1 - &iter2; /* oughhhh  */
1183         }
1184 }
1185
1186 /* Drag and drop stuff */
1187 static void
1188 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1189                   GtkSelectionData *selection_data,
1190                   guint info,  guint time, gpointer data)
1191 {
1192         GtkTreeModel *model = NULL;
1193         GtkTreeIter iter;
1194         GtkTreePath *source_row = NULL;
1195
1196         source_row = get_selected_row (GTK_TREE_VIEW (widget), &model);
1197         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1198
1199         switch (info) {
1200         case MODEST_HEADER_ROW:
1201                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1202                 break;
1203         case MODEST_MSG: {
1204                 TnyHeader *hdr;
1205                 gtk_tree_model_get (model, &iter,
1206                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1207                                     -1);
1208                 if (hdr) {
1209                         g_object_unref (G_OBJECT(hdr));
1210                 }
1211                 break;
1212         }
1213         default:
1214                 g_message ("%s: default switch case.", __FUNCTION__);
1215         }
1216
1217         gtk_tree_path_free (source_row);
1218 }
1219
1220 /* Header view drag types */
1221 const GtkTargetEntry header_view_drag_types[] = {
1222         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1223         { "text/uri-list",      0,                   MODEST_MSG },
1224 };
1225
1226 static void
1227 setup_drag_and_drop (GtkTreeView *self)
1228 {
1229         gtk_drag_source_set (GTK_WIDGET (self),
1230                              GDK_BUTTON1_MASK,
1231                              header_view_drag_types,
1232                              G_N_ELEMENTS (header_view_drag_types),
1233                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1234
1235         g_signal_connect(G_OBJECT (self), "drag_data_get",
1236                          G_CALLBACK(drag_data_get_cb), NULL);
1237 }
1238
1239 static GtkTreePath *
1240 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1241 {
1242         GtkTreePath *path = NULL;
1243         GtkTreeSelection *sel = NULL;
1244         GList *rows = NULL;
1245
1246         sel   = gtk_tree_view_get_selection(self);
1247         rows = gtk_tree_selection_get_selected_rows (sel, model);
1248
1249         if ((rows == NULL) || (g_list_length(rows) != 1))
1250                 goto frees;
1251
1252         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1253
1254
1255         /* Free */
1256  frees:
1257         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1258         g_list_free(rows);
1259
1260         return path;
1261 }
1262
1263 /*
1264  * This function moves the tree view scroll to the current selected
1265  * row when the widget grabs the focus
1266  */
1267 static gboolean
1268 on_focus_in (GtkWidget     *self,
1269              GdkEventFocus *event,
1270              gpointer       user_data)
1271 {
1272         GtkTreeSelection *selection;
1273         GtkTreeModel *model;
1274         GList *selected = NULL;
1275         GtkTreePath *selected_path = NULL;
1276
1277         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1278         if (!model)
1279                 return FALSE;
1280
1281         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1282         /* If none selected yet, pick the first one */
1283         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1284                 GtkTreeIter iter;
1285                 GtkTreePath *path;
1286
1287                 /* Return if the model is empty */
1288                 if (!gtk_tree_model_get_iter_first (model, &iter))
1289                         return FALSE;
1290
1291                 path = gtk_tree_model_get_path (model, &iter);
1292                 gtk_tree_selection_select_path (selection, path);
1293                 gtk_tree_path_free (path);
1294         }
1295
1296         /* Need to get the all the rows because is selection multiple */
1297         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1298         selected_path = (GtkTreePath *) selected->data;
1299
1300         /* Check if we need to scroll */
1301         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1302         GtkTreePath *start_path = NULL;
1303         GtkTreePath *end_path = NULL;
1304         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1305                                              &start_path,
1306                                              &end_path)) {
1307
1308                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1309                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1310
1311                         /* Scroll to first path */
1312                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1313                                                       selected_path,
1314                                                       NULL,
1315                                                       TRUE,
1316                                                       0.5,
1317                                                       0.0);
1318                 }
1319         }
1320         #endif /* GTK_CHECK_VERSION */
1321
1322         /* Frees */
1323         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1324         g_list_free (selected);
1325
1326         return FALSE;
1327 }
1328
1329 /*
1330  *
1331  */
1332 static void
1333 folder_monitor_update (TnyFolderObserver *self,
1334                        TnyFolderChange *change)
1335 {
1336         ModestHeaderViewPrivate *priv = MODEST_HEADER_VIEW_GET_PRIVATE (self);
1337         TnyFolderChangeChanged changed;
1338
1339         g_mutex_lock (priv->observers_lock);
1340
1341         changed = tny_folder_change_get_changed (change);
1342
1343         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
1344 /*      TnyIterator *iter; */
1345 /*      TnyList *list; */
1346 /*              /\* The added headers *\/ */
1347 /*              list = tny_simple_list_new (); */
1348 /*              tny_folder_change_get_added_headers (change, list); */
1349 /*              iter = tny_list_create_iterator (list); */
1350 /*              while (!tny_iterator_is_done (iter)) */
1351 /*              { */
1352 /*                      TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter)); */
1353 /*                      g_object_unref (G_OBJECT (header)); */
1354 /*                      tny_iterator_next (iter); */
1355 /*              } */
1356 /*              g_object_unref (G_OBJECT (iter)); */
1357 /*              g_object_unref (G_OBJECT (list)); */
1358                 modest_platform_on_new_msg ();
1359         }
1360
1361         g_mutex_unlock (priv->observers_lock);
1362 }