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
  40 #include <modest-marshal.h>
  41 #include <modest-text-utils.h>
  42 #include <modest-icon-names.h>
  43 #include <modest-runtime.h>
  44
  45 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  46 static void modest_header_view_init        (ModestHeaderView *obj);
  47 static void modest_header_view_finalize    (GObject *obj);
  48
  49 static gboolean     on_header_clicked      (GtkWidget *widget,
  50                                             GdkEventButton *event,
  51                                             gpointer user_data);
  52
  53 static gint         cmp_rows               (GtkTreeModel *tree_model,
  54                                             GtkTreeIter *iter1,
  55                                             GtkTreeIter *iter2,
  56                                             gpointer user_data);
  57
  58 static void         on_selection_changed   (GtkTreeSelection *sel,
  59                                             gpointer user_data);
  60
  61 static void         setup_drag_and_drop    (GtkTreeView *self);
  62
  63
  64 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  65 struct _ModestHeaderViewPrivate {
  66         TnyFolder            *folder;
  67         TnyList              *headers;
  68         ModestHeaderViewStyle style;
  69
  70         TnyFolderMonitor     *monitor;
  71         GMutex               *monitor_lock;
  72 };
  73
  74 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  75                                                 MODEST_TYPE_HEADER_VIEW, \
  76                                                 ModestHeaderViewPrivate))
  77
  78
  79
  80 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  81
  82 enum {
  83         HEADER_SELECTED_SIGNAL,
  84         HEADER_ACTIVATED_SIGNAL,
  85         ITEM_NOT_FOUND_SIGNAL,
  86         STATUS_UPDATE_SIGNAL,
  87         LAST_SIGNAL
  88 };
  89
  90 /* globals */
  91 static GObjectClass *parent_class = NULL;
  92
  93 /* uncomment the following if you have defined any signals */
  94 static guint signals[LAST_SIGNAL] = {0};
  95
  96 GType
  97 modest_header_view_get_type (void)
  98 {
  99         static GType my_type = 0;
 100         if (!my_type) {
 101                 static const GTypeInfo my_info = {
 102                         sizeof(ModestHeaderViewClass),
 103                         NULL,           /* base init */
 104                         NULL,           /* base finalize */
 105                         (GClassInitFunc) modest_header_view_class_init,
 106                         NULL,           /* class finalize */
 107                         NULL,           /* class data */
 108                         sizeof(ModestHeaderView),
 109                         1,              /* n_preallocs */
 110                         (GInstanceInitFunc) modest_header_view_init,
 111                         NULL
 112                 };
 113                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 114                                                   "ModestHeaderView",
 115                                                   &my_info, 0);
 116         }
 117         return my_type;
 118 }
 119
 120 static void
 121 modest_header_view_class_init (ModestHeaderViewClass *klass)
 122 {
 123         GObjectClass *gobject_class;
 124         gobject_class = (GObjectClass*) klass;
 125
 126         parent_class            = g_type_class_peek_parent (klass);
 127         gobject_class->finalize = modest_header_view_finalize;
 128
 129         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 130
 131         signals[HEADER_SELECTED_SIGNAL] =
 132                 g_signal_new ("header_selected",
 133                               G_TYPE_FROM_CLASS (gobject_class),
 134                               G_SIGNAL_RUN_FIRST,
 135                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 136                               NULL, NULL,
 137                               g_cclosure_marshal_VOID__POINTER,
 138                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 139
 140         signals[HEADER_ACTIVATED_SIGNAL] =
 141                 g_signal_new ("header_activated",
 142                               G_TYPE_FROM_CLASS (gobject_class),
 143                               G_SIGNAL_RUN_FIRST,
 144                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 145                               NULL, NULL,
 146                               g_cclosure_marshal_VOID__POINTER,
 147                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 148
 149
 150         signals[ITEM_NOT_FOUND_SIGNAL] =
 151                 g_signal_new ("item_not_found",
 152                               G_TYPE_FROM_CLASS (gobject_class),
 153                               G_SIGNAL_RUN_FIRST,
 154                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 155                               NULL, NULL,
 156                               g_cclosure_marshal_VOID__INT,
 157                               G_TYPE_NONE, 1, G_TYPE_INT);
 158
 159         signals[STATUS_UPDATE_SIGNAL] =
 160                 g_signal_new ("status_update",
 161                               G_TYPE_FROM_CLASS (gobject_class),
 162                               G_SIGNAL_RUN_FIRST,
 163                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 164                               NULL, NULL,
 165                               modest_marshal_VOID__STRING_INT_INT,
 166                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 167 }
 168
 169 static GtkTreeViewColumn*
 170 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 171                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 172                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 173 {
 174         GtkTreeViewColumn *column;
 175
 176         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 177         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 178
 179         gtk_tree_view_column_set_resizable (column, resizable);
 180         if (resizable)
 181                 gtk_tree_view_column_set_expand (column, TRUE);
 182
 183         if (show_as_text)
 184                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 185                                                     sort_col_id);
 186         if (sort_col_id >= 0)
 187                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 188
 189         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 190         gtk_tree_view_column_set_reorderable (column, TRUE);
 191
 192         if (cell_data_func)
 193                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 194                                                         user_data, NULL);
 195         return column;
 196 }
 197
 198
 199
 200
 201 static void
 202 remove_all_columns (ModestHeaderView *obj)
 203 {
 204         GList *columns, *cursor;
 205
 206         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 207
 208         for (cursor = columns; cursor; cursor = cursor->next)
 209                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 210                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 211         g_list_free (columns);
 212 }
 213
 214 gboolean
 215 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 216 {
 217         GtkTreeModel *sortable;
 218         GtkTreeViewColumn *column=NULL;
 219         GtkCellRenderer *renderer_msgtype,*renderer_header,
 220                 *renderer_attach;
 221         ModestHeaderViewPrivate *priv;
 222         const GList *cursor;
 223
 224         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 225
 226         /* FIXME: check whether these renderers need to be freed */
 227         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 228         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 229         renderer_header  = gtk_cell_renderer_text_new ();
 230
 231         remove_all_columns (self);
 232
 233         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 234
 235         /* Add new columns */
 236         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 237                 ModestHeaderViewColumn col =
 238                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 239
 240                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 241                         g_printerr ("modest: invalid column %d in column list\n", col);
 242                         continue;
 243                 }
 244
 245                 switch (col) {
 246
 247                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 248                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 249                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 250                                                  FALSE,
 251                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 252                                                  NULL);
 253                         gtk_tree_view_column_set_fixed_width (column, 45);
 254                         break;
 255
 256                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 257                         column = get_new_column (_("A"), renderer_attach, FALSE,
 258                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 259                                                  FALSE,
 260                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 261                                                  NULL);
 262                         gtk_tree_view_column_set_fixed_width (column, 45);
 263                         break;
 264
 265
 266                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 267                         column = get_new_column (_("From"), renderer_header, TRUE,
 268                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 269                                                  TRUE,
 270                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 271                                                  GINT_TO_POINTER(TRUE));
 272                         break;
 273
 274                 case MODEST_HEADER_VIEW_COLUMN_TO:
 275                         column = get_new_column (_("To"), renderer_header, TRUE,
 276                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 277                                                  TRUE,
 278                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 279                                                  GINT_TO_POINTER(FALSE));
 280                         break;
 281
 282                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 283                         column = get_new_column (_("Header"), renderer_header, TRUE,
 284                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 285                                                  TRUE,
 286                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 287                                                  GINT_TO_POINTER(TRUE));
 288                         break;
 289
 290                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 291                         column = get_new_column (_("Header"), renderer_header, TRUE,
 292                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 293                                                  TRUE,
 294                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 295                                                  GINT_TO_POINTER(FALSE));
 296                         break;
 297
 298
 299                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 300                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 301                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 302                                                  TRUE,
 303                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 304                                                  NULL);
 305                         break;
 306
 307                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 308                         column = get_new_column (_("Received"), renderer_header, TRUE,
 309                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 310                                                  TRUE,
 311                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 312                                                  GINT_TO_POINTER(TRUE));
 313                         break;
 314
 315                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 316                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 317                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 318                                                  TRUE,
 319                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 320                                                  GINT_TO_POINTER(FALSE));
 321                         break;
 322
 323                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 324                         column = get_new_column (_("Size"), renderer_header, TRUE,
 325                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 326                                                  FALSE,
 327                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 328                                                  NULL);
 329                         break;
 330
 331                 default:
 332                         g_return_val_if_reached(FALSE);
 333                 }
 334
 335                 if (sortable)
 336                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 337                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 338                                                          column, NULL);
 339
 340                 /* we keep the column id around */
 341                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 342                                    GINT_TO_POINTER(col));
 343
 344                 /* we need this ptr when sorting the rows */
 345                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 346                                    self);
 347                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 348         }
 349
 350         return TRUE;
 351 }
 352
 353 static void
 354 modest_header_view_init (ModestHeaderView *obj)
 355 {
 356         ModestHeaderViewPrivate *priv;
 357
 358         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 359
 360         priv->folder  = NULL;
 361         priv->headers = NULL;
 362
 363         priv->monitor        = NULL;
 364         priv->monitor_lock   = g_mutex_new ();
 365
 366
 367         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 368 }
 369
 370 static void
 371 modest_header_view_finalize (GObject *obj)
 372 {
 373         ModestHeaderView        *self;
 374         ModestHeaderViewPrivate *priv;
 375
 376         self = MODEST_HEADER_VIEW(obj);
 377         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 378
 379         if (priv->headers) {
 380                 g_object_unref (G_OBJECT(priv->headers));
 381                 priv->headers  = NULL;
 382         }
 383
 384         g_mutex_lock (priv->monitor_lock);
 385         if (priv->monitor) {
 386                 tny_folder_monitor_stop (priv->monitor);
 387                 g_object_unref (G_OBJECT (priv->monitor));
 388         }
 389         g_mutex_unlock (priv->monitor_lock);
 390         g_mutex_free (priv->monitor_lock);
 391
 392         if (priv->folder) {
 393                 g_object_unref (G_OBJECT (priv->folder));
 394                 priv->folder   = NULL;
 395         }
 396
 397         G_OBJECT_CLASS(parent_class)->finalize (obj);
 398 }
 399
 400
 401 GtkWidget*
 402 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 403 {
 404         GObject *obj;
 405         GtkTreeSelection *sel;
 406         ModestHeaderView *self;
 407         ModestHeaderViewPrivate *priv;
 408
 409         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 410                               NULL);
 411
 412         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 413         self = MODEST_HEADER_VIEW(obj);
 414         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 415
 416         modest_header_view_set_style   (self, style);
 417         modest_header_view_set_folder (self, NULL);
 418
 419         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 420         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 421         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 422
 423         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 424                                       TRUE); /* alternating row colors */
 425         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 426
 427         g_signal_connect (sel, "changed",
 428                           G_CALLBACK(on_selection_changed), self);
 429
 430         g_signal_connect (self, "button-press-event",
 431                           G_CALLBACK(on_header_clicked), NULL);
 432
 433         return GTK_WIDGET(self);
 434 }
 435
 436
 437 TnyList *
 438 modest_header_view_get_selected_headers (ModestHeaderView *self)
 439 {
 440         GtkTreeSelection *sel;
 441         ModestHeaderViewPrivate *priv;
 442         TnyList *header_list = NULL;
 443         TnyHeader *header;
 444         GList *list, *tmp = NULL;
 445         GtkTreeModel *tree_model = NULL;
 446         GtkTreeIter iter;
 447
 448         g_return_val_if_fail (self, NULL);
 449
 450         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 451
 452         /* Get selected rows */
 453         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 454         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 455
 456         if (list) {
 457                 header_list = tny_simple_list_new();
 458
 459                 list = g_list_reverse (list);
 460                 tmp = list;
 461                 while (tmp) {
 462                         /* get header from selection */
 463                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 464                         gtk_tree_model_get (tree_model, &iter,
 465                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 466                                             &header, -1);
 467                         /* Prepend to list */
 468                         tny_list_prepend (header_list, G_OBJECT (header));
 469                         g_object_unref (G_OBJECT (header));
 470
 471                         tmp = g_list_next (tmp);
 472                 }
 473                 /* Clean up*/
 474                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 475                 g_list_free (list);
 476         }
 477         return header_list;
 478 }
 479
 480
 481 /* scroll our list view so the selected item is visible */
 482 static void
 483 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 484 {
 485 #if MODEST_PLATFORM_ID==1  /* MODES_PLATFORM_ID: 1 ==> gtk, 2==> maemo */
 486
 487         GtkTreePath *selected_path;
 488         GtkTreePath *start, *end;
 489
 490         GtkTreeModel *model;
 491
 492         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 493         selected_path = gtk_tree_model_get_path (model, iter);
 494
 495         start = gtk_tree_path_new ();
 496         end   = gtk_tree_path_new ();
 497
 498         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 499
 500         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 501             gtk_tree_path_compare (end, selected_path) < 0)
 502                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 503                                               selected_path, NULL, TRUE,
 504                                               up ? 0.0 : 1.0,
 505                                               up ? 0.0 : 1.0);
 506         gtk_tree_path_free (selected_path);
 507         gtk_tree_path_free (start);
 508         gtk_tree_path_free (end);
 509
 510 #endif /* MODEST_PLATFORM_ID */
 511 }
 512
 513
 514 void
 515 modest_header_view_select_next (ModestHeaderView *self)
 516 {
 517         GtkTreeSelection *sel;
 518         GtkTreeIter iter;
 519         GtkTreeModel *model;
 520
 521         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 522         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 523                 if (gtk_tree_model_iter_next (model, &iter)) {
 524                         gtk_tree_selection_select_iter (sel, &iter);
 525                         scroll_to_selected (self, &iter, FALSE);
 526                 }
 527         }
 528 }
 529
 530 void
 531 modest_header_view_select_prev (ModestHeaderView *self)
 532 {
 533         GtkTreeSelection *sel;
 534         GtkTreeIter iter;
 535         GtkTreeModel *model;
 536         GtkTreePath *path;
 537
 538         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 539         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 540                 path = gtk_tree_model_get_path (model, &iter);
 541
 542                 /* Move path up */
 543                 if (gtk_tree_path_prev (path)) {
 544                         gtk_tree_model_get_iter (model, &iter, path);
 545
 546                         /* Select the new one */
 547                         gtk_tree_selection_select_iter (sel, &iter);
 548                         scroll_to_selected (self, &iter, TRUE);
 549
 550                 }
 551                 gtk_tree_path_free (path);
 552         }
 553 }
 554
 555 GList*
 556 modest_header_view_get_columns (ModestHeaderView *self)
 557 {
 558         g_return_val_if_fail (self, FALSE);
 559         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 560 }
 561
 562 gboolean
 563 modest_header_view_is_empty (ModestHeaderView *self)
 564 {
 565         g_return_val_if_fail (self, FALSE);
 566         return FALSE; /* FIXME */
 567 }
 568
 569
 570 gboolean
 571 modest_header_view_set_style (ModestHeaderView *self,
 572                               ModestHeaderViewStyle style)
 573 {
 574         ModestHeaderViewPrivate *priv;
 575         gboolean show_col_headers = FALSE;
 576         ModestHeaderViewStyle old_style;
 577
 578         g_return_val_if_fail (self, FALSE);
 579         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 580                               FALSE);
 581
 582         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 583         if (priv->style == style)
 584                 return TRUE; /* nothing to do */
 585
 586         switch (style) {
 587         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 588                 show_col_headers = TRUE;
 589                 break;
 590         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 591                 break;
 592         default:
 593                 g_return_val_if_reached (FALSE);
 594         }
 595         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 596         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 597
 598         old_style   = priv->style;
 599         priv->style = style;
 600
 601         return TRUE;
 602 }
 603
 604
 605 ModestHeaderViewStyle
 606 modest_header_view_get_style (ModestHeaderView *self)
 607 {
 608         g_return_val_if_fail (self, FALSE);
 609         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 610 }
 611
 612
 613 static void
 614 on_refresh_folder (TnyFolder   *folder,
 615                    gboolean     cancelled,
 616                    GError     **error,
 617                    gpointer     user_data)
 618 {
 619         GtkTreeModel *sortable;
 620         ModestHeaderView *self;
 621         ModestHeaderViewPrivate *priv;
 622         GList *cols, *cursor;
 623
 624         if (cancelled) {
 625                 GtkTreeSelection *selection;
 626
 627                 g_warning ("Operation_cancelled %s\n", (*error) ? (*error)->message : "unknown");
 628
 629                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (user_data));
 630                 gtk_tree_selection_unselect_all (selection);
 631                 return;
 632         }
 633
 634         self = MODEST_HEADER_VIEW(user_data);
 635         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 636
 637         if (priv->headers) {
 638                 g_object_unref (priv->headers);
 639                 modest_runtime_verify_object_death(priv->headers,"");
 640         }
 641
 642         priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 643
 644         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(priv->headers),
 645                                               folder, TRUE);
 646
 647         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 648
 649         /* install our special sorting functions */
 650         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 651         while (cursor) {
 652                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 653                                                                  MODEST_HEADER_VIEW_COLUMN));
 654                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 655                                                  col_id,
 656                                                  (GtkTreeIterCompareFunc)cmp_rows,
 657                                                  cursor->data, NULL);
 658                 cursor = g_list_next(cursor);
 659         }
 660         g_list_free (cols);
 661
 662         /* Add a folder observer */
 663         g_mutex_lock (priv->monitor_lock);
 664
 665 /*      if (priv->monitor) { */
 666 /*              tny_folder_monitor_stop (priv->monitor); */
 667 /*              g_object_unref (G_OBJECT (priv->monitor)); */
 668 /*      } */
 669 /*      priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder)); */
 670 /*      tny_folder_monitor_add_list (priv->monitor, TNY_LIST (priv->headers)); */
 671 /*      tny_folder_monitor_start (priv->monitor); */
 672
 673         g_mutex_unlock (priv->monitor_lock);
 674
 675         /* Set new model */
 676         gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 677         g_object_unref (G_OBJECT (sortable));
 678 }
 679
 680
 681 static void
 682 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 683                                  gint num, gint total,  gpointer user_data)
 684 {
 685         ModestHeaderView *self;
 686         ModestHeaderViewPrivate *priv;
 687
 688         self = MODEST_HEADER_VIEW(user_data);
 689         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 690
 691         /* FIXME: this is a hack ==> tinymail gives us this when
 692          * it has nothing better to do */
 693         if (num == 1 && total == 100)
 694                 return;
 695
 696         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 697                        0, msg, num, total);
 698 }
 699
 700
 701 TnyFolder*
 702 modest_header_view_get_folder (ModestHeaderView *self)
 703 {
 704         ModestHeaderViewPrivate *priv;
 705         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 706
 707         if (priv->folder)
 708                 g_object_ref (priv->folder);
 709
 710         return priv->folder;
 711 }
 712
 713
 714 void
 715 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 716 {
 717         ModestHeaderViewPrivate *priv;
 718         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 719
 720         /* Unset the old one */
 721         if (priv->folder)
 722                 g_object_unref (priv->folder);
 723
 724         priv->folder = folder;
 725
 726         if (folder) {
 727                 g_object_ref (priv->folder);
 728
 729                 tny_folder_refresh_async (folder,
 730                                           on_refresh_folder,
 731                                           on_refresh_folder_status_update,
 732                                           self);
 733
 734                 /* no message selected */
 735                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 736                                NULL);
 737         } else {
 738                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 739         }
 740 }
 741
 742 static gboolean
 743 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 744 {
 745         ModestHeaderView *self;
 746         ModestHeaderViewPrivate *priv;
 747         GtkTreeIter iter;
 748         GtkTreeSelection *sel;
 749         GtkTreeModel *model;
 750         TnyHeader *header;
 751
 752         /* ignore everything but doubleclick */
 753         if (event->type != GDK_2BUTTON_PRESS)
 754                 return FALSE;
 755
 756         self = MODEST_HEADER_VIEW (widget);
 757         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 758
 759         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 760         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 761
 762         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 763                 return FALSE; /* msg was _un_selected */
 764
 765         /* get the first selected item */
 766         gtk_tree_model_get (model, &iter,
 767                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 768                             &header, -1);
 769         /* Emit signal */
 770         g_signal_emit (G_OBJECT(self),
 771                        signals[HEADER_ACTIVATED_SIGNAL],
 772                        0, header);
 773
 774         /* Free */
 775         g_object_unref (G_OBJECT (header));
 776
 777         return TRUE;
 778 }
 779
 780
 781 static void
 782 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 783 {
 784         GtkTreeModel *model;
 785         TnyHeader *header;
 786         GtkTreeIter iter;
 787         ModestHeaderView *self;
 788         ModestHeaderViewPrivate *priv;
 789
 790         g_return_if_fail (sel);
 791         g_return_if_fail (user_data);
 792
 793         self = MODEST_HEADER_VIEW (user_data);
 794         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 795
 796         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 797                 return; /* msg was _un_selected */
 798
 799         gtk_tree_model_get (model, &iter,
 800                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 801                             &header, -1);
 802
 803         /* Emit signal */
 804         g_signal_emit (G_OBJECT(self),
 805                        signals[HEADER_SELECTED_SIGNAL],
 806                        0, header);
 807 }
 808
 809
 810 /* PROTECTED method. It's useful when we want to force a given
 811    selection to reload a msg. For example if we have selected a header
 812    in offline mode, when Modest become online, we want to reload the
 813    message automatically without an user click over the header */
 814 void
 815 _modest_header_view_change_selection (GtkTreeSelection *selection,
 816                                       gpointer user_data)
 817 {
 818         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 819         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 820
 821         on_selection_changed (selection, user_data);
 822 }
 823
 824
 825 static gint
 826 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 827           gpointer user_data)
 828 {
 829         gint col_id;
 830         gint t1, t2;
 831         gint val1, val2;
 832         gchar *s1, *s2;
 833         gint cmp;
 834
 835         static int counter = 0;
 836         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 837
 838         if (!(++counter % 100)) {
 839                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 840                                                          MODEST_HEADER_VIEW_PTR);
 841                 g_signal_emit (header_view,
 842                                signals[STATUS_UPDATE_SIGNAL],
 843                                0, _("Sorting..."), 0, 0);
 844         }
 845         switch (col_id) {
 846
 847                 /* first one, we decide based on the time */
 848         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 849         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 850
 851                 gtk_tree_model_get (tree_model, iter1,
 852                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 853                                     &t1,-1);
 854                 gtk_tree_model_get (tree_model, iter2,
 855                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 856                                     &t2,-1);
 857                 return t1 - t2;
 858
 859         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 860         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 861                 gtk_tree_model_get (tree_model, iter1,
 862                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 863                                     &t1,-1);
 864                 gtk_tree_model_get (tree_model, iter2,
 865                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 866                                     &t2,-1);
 867                 return t1 - t2;
 868
 869
 870                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 871                 /* FIXME: what about received-date? */
 872         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 873
 874                 gtk_tree_model_get (tree_model, iter1,
 875                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 876                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 877                                     -1);
 878                 gtk_tree_model_get (tree_model, iter2,
 879                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 880                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 881                                     -1);
 882
 883                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 884                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 885                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 886                                                      TRUE);
 887                 g_free (s1);
 888                 g_free (s2);
 889
 890                 return cmp ? cmp : t1 - t2;
 891         }
 892
 893         case MODEST_HEADER_VIEW_COLUMN_FROM:
 894
 895                 gtk_tree_model_get (tree_model, iter1,
 896                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 897                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 898                                     -1);
 899                 gtk_tree_model_get (tree_model, iter2,
 900                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 901                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 902                                     -1);
 903                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 904                 g_free (s1);
 905                 g_free (s2);
 906
 907                 return cmp ? cmp : t1 - t2;
 908
 909         case MODEST_HEADER_VIEW_COLUMN_TO:
 910
 911                 gtk_tree_model_get (tree_model, iter1,
 912                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 913                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 914                                     -1);
 915                 gtk_tree_model_get (tree_model, iter2,
 916                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 917                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 918                                     -1);
 919                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 920                 g_free (s1);
 921                 g_free (s2);
 922
 923                 return cmp ? cmp : t1 - t2;
 924
 925         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 926
 927                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 928                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 929                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 930                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 931
 932                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 933                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 934
 935                 return cmp ? cmp : t1 - t2;
 936
 937         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 938                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 939                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 940                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 941                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 942                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 943
 944                 return cmp ? cmp : t1 - t2;
 945
 946         default:
 947                 return &iter1 - &iter2; /* oughhhh  */
 948         }
 949 }
 950
 951 static void
 952 drag_data_get_cb (GtkWidget *widget,
 953                   GdkDragContext *context,
 954                   GtkSelectionData *selection_data,
 955                   guint info,
 956                   guint time,
 957                   gpointer data)
 958 {
 959         GtkTreeSelection *selection;
 960         GtkTreeModel *model;
 961         GtkTreeIter iter;
 962         GtkTreePath *source_row;
 963
 964         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 965         gtk_tree_selection_get_selected (selection, &model, &iter);
 966         source_row = gtk_tree_model_get_path (model, &iter);
 967
 968         gtk_tree_set_row_drag_data (selection_data,
 969                                     model,
 970                                     source_row);
 971
 972         gtk_tree_path_free (source_row);
 973 }
 974
 975 static void
 976 drag_data_delete_cb (GtkWidget      *widget,
 977                      GdkDragContext *context,
 978                      gpointer        user_data)
 979 {
 980         GtkTreeIter iter;
 981         GtkTreePath *source_row;
 982         GtkTreeModel *model_sort, *model;
 983         TnyHeader *header;
 984
 985         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
 986         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 987         source_row = g_object_steal_data (G_OBJECT (widget), ROW_REF_DATA_NAME);
 988
 989         /* Delete the source row */
 990         gtk_tree_model_get_iter (model, &iter, source_row);
 991         gtk_tree_model_get (model, &iter,
 992                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header,
 993                             -1);
 994         tny_list_remove (TNY_LIST (model), G_OBJECT (header));
 995         g_object_unref (G_OBJECT (header));
 996
 997         gtk_tree_path_free (source_row);
 998 }
 999
1000 /* Header view drag types */
1001 const GtkTargetEntry header_view_drag_types[] =
1002 {
1003         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, HEADER_ROW }
1004 };
1005
1006 static void
1007 setup_drag_and_drop (GtkTreeView *self)
1008 {
1009         gtk_drag_source_set (GTK_WIDGET (self),
1010                              GDK_BUTTON1_MASK,
1011                              header_view_drag_types,
1012                              G_N_ELEMENTS (header_view_drag_types),
1013                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1014
1015         gtk_signal_connect(GTK_OBJECT (self),
1016                            "drag_data_get",
1017                            GTK_SIGNAL_FUNC(drag_data_get_cb),
1018                            NULL);
1019
1020         gtk_signal_connect(GTK_OBJECT (self),
1021                            "drag_data_delete",
1022                            GTK_SIGNAL_FUNC(drag_data_delete_cb),
1023                            NULL);
1024 }