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 <string.h>
  34
  35 #include <modest-header-view.h>
  36 #include <modest-header-view-priv.h>
  37
  38 #include <modest-marshal.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-runtime.h>
  42
  43 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  44 static void modest_header_view_init        (ModestHeaderView *obj);
  45 static void modest_header_view_finalize    (GObject *obj);
  46
  47 static gboolean     on_header_clicked      (GtkWidget *widget,
  48                                             GdkEventButton *event,
  49                                             gpointer user_data);
  50
  51 static gint         cmp_rows               (GtkTreeModel *tree_model,
  52                                             GtkTreeIter *iter1,
  53                                             GtkTreeIter *iter2,
  54                                             gpointer user_data);
  55
  56 static void         on_selection_changed   (GtkTreeSelection *sel,
  57                                             gpointer user_data);
  58
  59 static void         setup_drag_and_drop    (GtkTreeView *self);
  60
  61
  62 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  63 struct _ModestHeaderViewPrivate {
  64         TnyFolder            *folder;
  65         TnyList              *headers;
  66         ModestHeaderViewStyle style;
  67 };
  68
  69 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  70                                                 MODEST_TYPE_HEADER_VIEW, \
  71                                                 ModestHeaderViewPrivate))
  72
  73
  74
  75 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  76
  77 enum {
  78         HEADER_SELECTED_SIGNAL,
  79         HEADER_ACTIVATED_SIGNAL,
  80         ITEM_NOT_FOUND_SIGNAL,
  81         STATUS_UPDATE_SIGNAL,
  82         LAST_SIGNAL
  83 };
  84
  85 /* globals */
  86 static GObjectClass *parent_class = NULL;
  87
  88 /* uncomment the following if you have defined any signals */
  89 static guint signals[LAST_SIGNAL] = {0};
  90
  91 GType
  92 modest_header_view_get_type (void)
  93 {
  94         static GType my_type = 0;
  95         if (!my_type) {
  96                 static const GTypeInfo my_info = {
  97                         sizeof(ModestHeaderViewClass),
  98                         NULL,           /* base init */
  99                         NULL,           /* base finalize */
 100                         (GClassInitFunc) modest_header_view_class_init,
 101                         NULL,           /* class finalize */
 102                         NULL,           /* class data */
 103                         sizeof(ModestHeaderView),
 104                         1,              /* n_preallocs */
 105                         (GInstanceInitFunc) modest_header_view_init,
 106                         NULL
 107                 };
 108                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 109                                                   "ModestHeaderView",
 110                                                   &my_info, 0);
 111         }
 112         return my_type;
 113 }
 114
 115 static void
 116 modest_header_view_class_init (ModestHeaderViewClass *klass)
 117 {
 118         GObjectClass *gobject_class;
 119         gobject_class = (GObjectClass*) klass;
 120
 121         parent_class            = g_type_class_peek_parent (klass);
 122         gobject_class->finalize = modest_header_view_finalize;
 123
 124         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 125
 126         signals[HEADER_SELECTED_SIGNAL] =
 127                 g_signal_new ("header_selected",
 128                               G_TYPE_FROM_CLASS (gobject_class),
 129                               G_SIGNAL_RUN_FIRST,
 130                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 131                               NULL, NULL,
 132                               g_cclosure_marshal_VOID__POINTER,
 133                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 134
 135         signals[HEADER_ACTIVATED_SIGNAL] =
 136                 g_signal_new ("header_activated",
 137                               G_TYPE_FROM_CLASS (gobject_class),
 138                               G_SIGNAL_RUN_FIRST,
 139                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 140                               NULL, NULL,
 141                               g_cclosure_marshal_VOID__POINTER,
 142                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 143
 144
 145         signals[ITEM_NOT_FOUND_SIGNAL] =
 146                 g_signal_new ("item_not_found",
 147                               G_TYPE_FROM_CLASS (gobject_class),
 148                               G_SIGNAL_RUN_FIRST,
 149                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 150                               NULL, NULL,
 151                               g_cclosure_marshal_VOID__INT,
 152                               G_TYPE_NONE, 1, G_TYPE_INT);
 153
 154         signals[STATUS_UPDATE_SIGNAL] =
 155                 g_signal_new ("status_update",
 156                               G_TYPE_FROM_CLASS (gobject_class),
 157                               G_SIGNAL_RUN_FIRST,
 158                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 159                               NULL, NULL,
 160                               modest_marshal_VOID__STRING_INT_INT,
 161                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 162 }
 163
 164 static GtkTreeViewColumn*
 165 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 166                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 167                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 168 {
 169         GtkTreeViewColumn *column;
 170
 171         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 172         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 173
 174         gtk_tree_view_column_set_resizable (column, resizable);
 175         if (resizable)
 176                 gtk_tree_view_column_set_expand (column, TRUE);
 177
 178         if (show_as_text)
 179                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 180                                                     sort_col_id);
 181         if (sort_col_id >= 0)
 182                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 183
 184         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 185         gtk_tree_view_column_set_reorderable (column, TRUE);
 186
 187         if (cell_data_func)
 188                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 189                                                         user_data, NULL);
 190         return column;
 191 }
 192
 193
 194
 195
 196 static void
 197 remove_all_columns (ModestHeaderView *obj)
 198 {
 199         GList *columns, *cursor;
 200
 201         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 202
 203         for (cursor = columns; cursor; cursor = cursor->next)
 204                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 205                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 206         g_list_free (columns);
 207 }
 208
 209 gboolean
 210 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 211 {
 212         GtkTreeModel *sortable;
 213         GtkTreeViewColumn *column=NULL;
 214         GtkCellRenderer *renderer_msgtype,*renderer_header,
 215                 *renderer_attach;
 216         ModestHeaderViewPrivate *priv;
 217         const GList *cursor;
 218
 219         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 220
 221         /* FIXME: check whether these renderers need to be freed */
 222         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 223         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 224         renderer_header  = gtk_cell_renderer_text_new ();
 225
 226         remove_all_columns (self);
 227
 228         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 229
 230         /* Add new columns */
 231         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 232                 ModestHeaderViewColumn col =
 233                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 234
 235                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 236                         g_printerr ("modest: invalid column %d in column list\n", col);
 237                         continue;
 238                 }
 239
 240                 switch (col) {
 241
 242                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 243                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 244                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 245                                                  FALSE,
 246                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 247                                                  NULL);
 248                         gtk_tree_view_column_set_fixed_width (column, 45);
 249                         break;
 250
 251                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 252                         column = get_new_column (_("A"), renderer_attach, FALSE,
 253                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 254                                                  FALSE,
 255                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 256                                                  NULL);
 257                         gtk_tree_view_column_set_fixed_width (column, 45);
 258                         break;
 259
 260
 261                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 262                         column = get_new_column (_("From"), renderer_header, TRUE,
 263                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 264                                                  TRUE,
 265                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 266                                                  GINT_TO_POINTER(TRUE));
 267                         break;
 268
 269                 case MODEST_HEADER_VIEW_COLUMN_TO:
 270                         column = get_new_column (_("To"), renderer_header, TRUE,
 271                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 272                                                  TRUE,
 273                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 274                                                  GINT_TO_POINTER(FALSE));
 275                         break;
 276
 277                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 278                         column = get_new_column (_("Header"), renderer_header, TRUE,
 279                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 280                                                  TRUE,
 281                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 282                                                  GINT_TO_POINTER(TRUE));
 283                         break;
 284
 285                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 286                         column = get_new_column (_("Header"), renderer_header, TRUE,
 287                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 288                                                  TRUE,
 289                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 290                                                  GINT_TO_POINTER(FALSE));
 291                         break;
 292
 293
 294                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 295                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 296                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 297                                                  TRUE,
 298                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 299                                                  NULL);
 300                         break;
 301
 302                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 303                         column = get_new_column (_("Received"), renderer_header, TRUE,
 304                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 305                                                  TRUE,
 306                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 307                                                  GINT_TO_POINTER(TRUE));
 308                         break;
 309
 310                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 311                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 312                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 313                                                  TRUE,
 314                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 315                                                  GINT_TO_POINTER(FALSE));
 316                         break;
 317
 318                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 319                         column = get_new_column (_("Size"), renderer_header, TRUE,
 320                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 321                                                  FALSE,
 322                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 323                                                  NULL);
 324                         break;
 325
 326                 default:
 327                         g_return_val_if_reached(FALSE);
 328                 }
 329
 330                 if (sortable)
 331                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 332                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 333                                                          column, NULL);
 334
 335                 /* we keep the column id around */
 336                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 337                                    GINT_TO_POINTER(col));
 338
 339                 /* we need this ptr when sorting the rows */
 340                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 341                                    self);
 342                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 343         }
 344
 345         return TRUE;
 346 }
 347
 348 static void
 349 modest_header_view_init (ModestHeaderView *obj)
 350 {
 351         ModestHeaderViewPrivate *priv;
 352
 353         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 354
 355         priv->folder  = NULL;
 356         priv->headers = NULL;
 357
 358         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 359 }
 360
 361 static void
 362 modest_header_view_finalize (GObject *obj)
 363 {
 364         ModestHeaderView        *self;
 365         ModestHeaderViewPrivate *priv;
 366
 367         self = MODEST_HEADER_VIEW(obj);
 368         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 369
 370         if (priv->headers) {
 371                 g_object_unref (G_OBJECT(priv->headers));
 372                 priv->headers  = NULL;
 373         }
 374
 375         if (priv->folder) {
 376                 g_object_unref (G_OBJECT (priv->folder));
 377                 priv->folder   = NULL;
 378         }
 379
 380         G_OBJECT_CLASS(parent_class)->finalize (obj);
 381 }
 382
 383
 384 GtkWidget*
 385 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 386 {
 387         GObject *obj;
 388         GtkTreeSelection *sel;
 389         ModestHeaderView *self;
 390         ModestHeaderViewPrivate *priv;
 391
 392         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 393                               NULL);
 394
 395         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 396         self = MODEST_HEADER_VIEW(obj);
 397         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 398
 399         modest_header_view_set_style   (self, style);
 400         modest_header_view_set_folder (self, NULL);
 401
 402         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 403         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 404         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 405
 406         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 407                                       TRUE); /* alternating row colors */
 408         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 409
 410         g_signal_connect (sel, "changed",
 411                           G_CALLBACK(on_selection_changed), self);
 412
 413         g_signal_connect (self, "button-press-event",
 414                           G_CALLBACK(on_header_clicked), NULL);
 415
 416         return GTK_WIDGET(self);
 417 }
 418
 419
 420 TnyList *
 421 modest_header_view_get_selected_headers (ModestHeaderView *self)
 422 {
 423         GtkTreeSelection *sel;
 424         ModestHeaderViewPrivate *priv;
 425         TnyList *header_list = NULL;
 426         TnyHeader *header;
 427         GList *list, *tmp = NULL;
 428         GtkTreeModel *tree_model = NULL;
 429         GtkTreeIter iter;
 430
 431         g_return_val_if_fail (self, NULL);
 432
 433         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 434
 435         /* Get selected rows */
 436         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 437         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 438
 439         if (list) {
 440                 header_list = tny_simple_list_new();
 441
 442                 list = g_list_reverse (list);
 443                 tmp = list;
 444                 while (tmp) {
 445                         /* get header from selection */
 446                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 447                         gtk_tree_model_get (tree_model, &iter,
 448                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 449                                             &header, -1);
 450                         /* Prepend to list */
 451                         tny_list_prepend (header_list, G_OBJECT (header));
 452                         g_object_unref (G_OBJECT (header));
 453
 454                         tmp = g_list_next (tmp);
 455                 }
 456                 /* Clean up*/
 457                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 458                 g_list_free (list);
 459         }
 460         return header_list;
 461 }
 462
 463
 464 /* scroll our list view so the selected item is visible */
 465 static void
 466 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 467 {
 468 #if MODEST_PLATFORM_ID==1  /* MODES_PLATFORM_ID: 1 ==> gtk, 2==> maemo */
 469
 470         GtkTreePath *selected_path;
 471         GtkTreePath *start, *end;
 472
 473         GtkTreeModel *model;
 474
 475         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 476         selected_path = gtk_tree_model_get_path (model, iter);
 477
 478         start = gtk_tree_path_new ();
 479         end   = gtk_tree_path_new ();
 480
 481         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 482
 483         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 484             gtk_tree_path_compare (end, selected_path) < 0)
 485                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 486                                               selected_path, NULL, TRUE,
 487                                               up ? 0.0 : 1.0,
 488                                               up ? 0.0 : 1.0);
 489         gtk_tree_path_free (selected_path);
 490         gtk_tree_path_free (start);
 491         gtk_tree_path_free (end);
 492
 493 #endif /* MODEST_PLATFORM_ID */
 494 }
 495
 496
 497 void
 498 modest_header_view_select_next (ModestHeaderView *self)
 499 {
 500         GtkTreeSelection *sel;
 501         GtkTreeIter iter;
 502         GtkTreeModel *model;
 503
 504         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 505         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 506                 if (gtk_tree_model_iter_next (model, &iter)) {
 507                         gtk_tree_selection_select_iter (sel, &iter);
 508                         scroll_to_selected (self, &iter, FALSE);
 509                 }
 510         }
 511 }
 512
 513 void
 514 modest_header_view_select_prev (ModestHeaderView *self)
 515 {
 516         GtkTreeSelection *sel;
 517         GtkTreeIter iter;
 518         GtkTreeModel *model;
 519         GtkTreePath *path;
 520
 521         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 522         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 523                 path = gtk_tree_model_get_path (model, &iter);
 524
 525                 /* Move path up */
 526                 if (gtk_tree_path_prev (path)) {
 527                         gtk_tree_model_get_iter (model, &iter, path);
 528
 529                         /* Select the new one */
 530                         gtk_tree_selection_select_iter (sel, &iter);
 531                         scroll_to_selected (self, &iter, TRUE);
 532
 533                 }
 534                 gtk_tree_path_free (path);
 535         }
 536 }
 537
 538 GList*
 539 modest_header_view_get_columns (ModestHeaderView *self)
 540 {
 541         g_return_val_if_fail (self, FALSE);
 542         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 543 }
 544
 545 gboolean
 546 modest_header_view_is_empty (ModestHeaderView *self)
 547 {
 548         g_return_val_if_fail (self, FALSE);
 549         return FALSE; /* FIXME */
 550 }
 551
 552
 553 gboolean
 554 modest_header_view_set_style (ModestHeaderView *self,
 555                               ModestHeaderViewStyle style)
 556 {
 557         ModestHeaderViewPrivate *priv;
 558         gboolean show_col_headers = FALSE;
 559         ModestHeaderViewStyle old_style;
 560
 561         g_return_val_if_fail (self, FALSE);
 562         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 563                               FALSE);
 564
 565         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 566         if (priv->style == style)
 567                 return TRUE; /* nothing to do */
 568
 569         switch (style) {
 570         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 571                 show_col_headers = TRUE;
 572                 break;
 573         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 574                 break;
 575         default:
 576                 g_return_val_if_reached (FALSE);
 577         }
 578         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 579         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 580
 581         old_style   = priv->style;
 582         priv->style = style;
 583
 584         return TRUE;
 585 }
 586
 587
 588 ModestHeaderViewStyle
 589 modest_header_view_get_style (ModestHeaderView *self)
 590 {
 591         g_return_val_if_fail (self, FALSE);
 592         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 593 }
 594
 595
 596 static void
 597 on_refresh_folder (TnyFolder   *folder,
 598                    gboolean     cancelled,
 599                    GError     **error,
 600                    gpointer     user_data)
 601 {
 602         GtkTreeModel *sortable;
 603         ModestHeaderView *self;
 604         ModestHeaderViewPrivate *priv;
 605         GList *cols, *cursor;
 606
 607         if (cancelled) {
 608                 GtkTreeSelection *selection;
 609
 610                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (user_data));
 611                 gtk_tree_selection_unselect_all (selection);
 612                 return;
 613         }
 614
 615         self = MODEST_HEADER_VIEW(user_data);
 616         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 617
 618         if (priv->headers) {
 619                 g_object_unref (priv->headers);
 620                 modest_runtime_verify_object_death(priv->headers,"");
 621         }
 622
 623         priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 624
 625         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(priv->headers),
 626                                               folder, TRUE);
 627
 628         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 629
 630         /* install our special sorting functions */
 631         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 632         while (cursor) {
 633                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 634                                                                  MODEST_HEADER_VIEW_COLUMN));
 635                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 636                                                  col_id,
 637                                                  (GtkTreeIterCompareFunc)cmp_rows,
 638                                                  cursor->data, NULL);
 639                 cursor = g_list_next(cursor);
 640         }
 641         g_list_free (cols);
 642
 643         /* Set new model */
 644         gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 645         g_object_unref (G_OBJECT (sortable));
 646 }
 647
 648
 649 static void
 650 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 651                                  gint num, gint total,  gpointer user_data)
 652 {
 653         ModestHeaderView *self;
 654         ModestHeaderViewPrivate *priv;
 655
 656         self = MODEST_HEADER_VIEW(user_data);
 657         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 658
 659         /* FIXME: this is a hack ==> tinymail gives us this when
 660          * it has nothing better to do */
 661         if (num == 1 && total == 100)
 662                 return;
 663
 664         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 665                        0, msg, num, total);
 666 }
 667
 668
 669 TnyFolder*
 670 modest_header_view_get_folder (ModestHeaderView *self)
 671 {
 672         ModestHeaderViewPrivate *priv;
 673         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 674
 675         if (priv->folder)
 676                 g_object_ref (priv->folder);
 677
 678         return priv->folder;
 679 }
 680
 681
 682 void
 683 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 684 {
 685         ModestHeaderViewPrivate *priv;
 686         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 687
 688         /* Unset the old one */
 689         if (priv->folder)
 690                 g_object_unref (priv->folder);
 691
 692         priv->folder = folder;
 693
 694         if (folder) {
 695                 g_object_ref (priv->folder);
 696
 697                 tny_folder_refresh_async (folder,
 698                                           on_refresh_folder,
 699                                           on_refresh_folder_status_update,
 700                                           self);
 701
 702                 /* no message selected */
 703                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 704                                NULL);
 705         } else {
 706                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 707 /*              gtk_widget_show (GTK_WIDGET (self)); */
 708         }
 709 }
 710
 711 static gboolean
 712 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 713 {
 714         ModestHeaderView *self;
 715         ModestHeaderViewPrivate *priv;
 716         GtkTreeIter iter;
 717         GtkTreeSelection *sel;
 718         GtkTreeModel *model;
 719         TnyHeader *header;
 720
 721         /* ignore everything but doubleclick */
 722         if (event->type != GDK_2BUTTON_PRESS)
 723                 return FALSE;
 724
 725         self = MODEST_HEADER_VIEW (widget);
 726         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 727
 728         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 729         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 730
 731         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 732                 return FALSE; /* msg was _un_selected */
 733
 734         /* get the first selected item */
 735         gtk_tree_model_get (model, &iter,
 736                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 737                             &header, -1);
 738         /* Emit signal */
 739         g_signal_emit (G_OBJECT(self),
 740                        signals[HEADER_ACTIVATED_SIGNAL],
 741                        0, header);
 742
 743         /* Free */
 744         g_object_unref (G_OBJECT (header));
 745
 746         return TRUE;
 747 }
 748
 749
 750 static void
 751 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 752 {
 753         GtkTreeModel *model;
 754         TnyHeader *header;
 755         GtkTreeIter iter;
 756         ModestHeaderView *self;
 757         ModestHeaderViewPrivate *priv;
 758
 759         g_return_if_fail (sel);
 760         g_return_if_fail (user_data);
 761
 762         self = MODEST_HEADER_VIEW (user_data);
 763         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 764
 765         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 766                 return; /* msg was _un_selected */
 767
 768         gtk_tree_model_get (model, &iter,
 769                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 770                             &header, -1);
 771
 772         /* Emit signal */
 773         g_signal_emit (G_OBJECT(self),
 774                        signals[HEADER_SELECTED_SIGNAL],
 775                        0, header);
 776 }
 777
 778
 779 /* PROTECTED method. It's useful when we want to force a given
 780    selection to reload a msg. For example if we have selected a header
 781    in offline mode, when Modest become online, we want to reload the
 782    message automatically without an user click over the header */
 783 void
 784 _modest_header_view_change_selection (GtkTreeSelection *selection,
 785                                       gpointer user_data)
 786 {
 787         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 788         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 789
 790         on_selection_changed (selection, user_data);
 791 }
 792
 793
 794 static gint
 795 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 796           gpointer user_data)
 797 {
 798         gint col_id;
 799         gint t1, t2;
 800         gint val1, val2;
 801         gchar *s1, *s2;
 802         gint cmp;
 803
 804         static int counter = 0;
 805         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 806
 807         if (!(++counter % 100)) {
 808                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 809                                                          MODEST_HEADER_VIEW_PTR);
 810                 g_signal_emit (header_view,
 811                                signals[STATUS_UPDATE_SIGNAL],
 812                                0, _("Sorting..."), 0, 0);
 813         }
 814         switch (col_id) {
 815
 816                 /* first one, we decide based on the time */
 817         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 818         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 819
 820                 gtk_tree_model_get (tree_model, iter1,
 821                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 822                                     &t1,-1);
 823                 gtk_tree_model_get (tree_model, iter2,
 824                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 825                                     &t2,-1);
 826                 return t1 - t2;
 827
 828         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 829         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 830                 gtk_tree_model_get (tree_model, iter1,
 831                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 832                                     &t1,-1);
 833                 gtk_tree_model_get (tree_model, iter2,
 834                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 835                                     &t2,-1);
 836                 return t1 - t2;
 837
 838
 839                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 840                 /* FIXME: what about received-date? */
 841         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 842
 843                 gtk_tree_model_get (tree_model, iter1,
 844                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 845                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 846                                     -1);
 847                 gtk_tree_model_get (tree_model, iter2,
 848                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 849                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 850                                     -1);
 851
 852                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 853                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 854                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 855                                                      TRUE);
 856                 g_free (s1);
 857                 g_free (s2);
 858
 859                 return cmp ? cmp : t1 - t2;
 860         }
 861
 862         case MODEST_HEADER_VIEW_COLUMN_FROM:
 863
 864                 gtk_tree_model_get (tree_model, iter1,
 865                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 866                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 867                                     -1);
 868                 gtk_tree_model_get (tree_model, iter2,
 869                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 870                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 871                                     -1);
 872                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 873                 g_free (s1);
 874                 g_free (s2);
 875
 876                 return cmp ? cmp : t1 - t2;
 877
 878         case MODEST_HEADER_VIEW_COLUMN_TO:
 879
 880                 gtk_tree_model_get (tree_model, iter1,
 881                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 882                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 883                                     -1);
 884                 gtk_tree_model_get (tree_model, iter2,
 885                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 886                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 887                                     -1);
 888                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 889                 g_free (s1);
 890                 g_free (s2);
 891
 892                 return cmp ? cmp : t1 - t2;
 893
 894         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 895
 896                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 897                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 898                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 899                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 900
 901                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 902                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 903
 904                 return cmp ? cmp : t1 - t2;
 905
 906         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 907                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 908                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 909                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 910                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 911                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 912
 913                 return cmp ? cmp : t1 - t2;
 914
 915         default:
 916                 return &iter1 - &iter2; /* oughhhh  */
 917         }
 918 }
 919
 920 static const GtkTargetEntry drag_types[] =
 921 {
 922         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, 0 }
 923 };
 924
 925 static void
 926 drag_data_get_cb (GtkWidget *widget,
 927                   GdkDragContext *context,
 928                   GtkSelectionData *selection_data,
 929                   guint info,
 930                   guint time,
 931                   gpointer data)
 932 {
 933         GtkTreeSelection *selection;
 934         GtkTreeModel *model;
 935         GtkTreeIter iter;
 936         GtkTreePath *source_row;
 937
 938         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 939         gtk_tree_selection_get_selected (selection, &model, &iter);
 940         source_row = gtk_tree_model_get_path (model, &iter);
 941
 942         gtk_tree_set_row_drag_data (selection_data,
 943                                     model,
 944                                     source_row);
 945
 946         gtk_tree_path_free (source_row);
 947 }
 948
 949 static void
 950 drag_data_delete_cb (GtkWidget      *widget,
 951                      GdkDragContext *context,
 952                      gpointer        user_data)
 953 {
 954         GtkTreeIter iter;
 955         GtkTreePath *source_row;
 956         GtkTreeModel *model_sort, *model;
 957         TnyHeader *header;
 958
 959         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
 960         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 961 /*      source_row = g_object_steal_data (G_OBJECT (widget), ROW_REF_DATA_NAME); */
 962         source_row = g_object_steal_data (G_OBJECT (widget), "row-ref");
 963
 964         /* Delete the source row */
 965         gtk_tree_model_get_iter (model, &iter, source_row);
 966         gtk_tree_model_get (model, &iter,
 967                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header,
 968                             -1);
 969         tny_list_remove (TNY_LIST (model), G_OBJECT (header));
 970         g_object_unref (G_OBJECT (header));
 971
 972         gtk_tree_path_free (source_row);
 973 }
 974
 975 static void
 976 setup_drag_and_drop (GtkTreeView *self)
 977 {
 978         gtk_drag_source_set (GTK_WIDGET (self),
 979                              GDK_BUTTON1_MASK,
 980                              drag_types,
 981                              G_N_ELEMENTS (drag_types),
 982                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
 983
 984         gtk_signal_connect(GTK_OBJECT (self),
 985                            "drag_data_get",
 986                            GTK_SIGNAL_FUNC(drag_data_get_cb),
 987                            NULL);
 988
 989         gtk_signal_connect(GTK_OBJECT (self),
 990                            "drag_data_delete",
 991                            GTK_SIGNAL_FUNC(drag_data_delete_cb),
 992                            NULL);
 993 }