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
  42 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  43 static void modest_header_view_init        (ModestHeaderView *obj);
  44 static void modest_header_view_finalize    (GObject *obj);
  45
  46 static gboolean     on_header_clicked      (GtkWidget *widget,
  47                                             GdkEventButton *event,
  48                                             gpointer user_data);
  49
  50 static void         on_selection_changed   (GtkTreeSelection *sel,
  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         setup_drag_and_drop    (GtkTreeView *self);
  59
  60 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  61 struct _ModestHeaderViewPrivate {
  62         TnyFolder            *folder;
  63         TnyList              *headers;
  64         GMutex               *lock;
  65         ModestHeaderViewStyle style;
  66 };
  67
  68 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  69                                                 MODEST_TYPE_HEADER_VIEW, \
  70                                                 ModestHeaderViewPrivate))
  71
  72
  73
  74 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  75
  76 enum {
  77         HEADER_SELECTED_SIGNAL,
  78         HEADER_ACTIVATED_SIGNAL,
  79         ITEM_NOT_FOUND_SIGNAL,
  80         STATUS_UPDATE_SIGNAL,
  81         LAST_SIGNAL
  82 };
  83
  84 /* globals */
  85 static GObjectClass *parent_class = NULL;
  86
  87 /* uncomment the following if you have defined any signals */
  88 static guint signals[LAST_SIGNAL] = {0};
  89
  90 GType
  91 modest_header_view_get_type (void)
  92 {
  93         static GType my_type = 0;
  94         if (!my_type) {
  95                 static const GTypeInfo my_info = {
  96                         sizeof(ModestHeaderViewClass),
  97                         NULL,           /* base init */
  98                         NULL,           /* base finalize */
  99                         (GClassInitFunc) modest_header_view_class_init,
 100                         NULL,           /* class finalize */
 101                         NULL,           /* class data */
 102                         sizeof(ModestHeaderView),
 103                         1,              /* n_preallocs */
 104                         (GInstanceInitFunc) modest_header_view_init,
 105                         NULL
 106                 };
 107                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 108                                                   "ModestHeaderView",
 109                                                   &my_info, 0);
 110         }
 111         return my_type;
 112 }
 113
 114 static void
 115 modest_header_view_class_init (ModestHeaderViewClass *klass)
 116 {
 117         GObjectClass *gobject_class;
 118         gobject_class = (GObjectClass*) klass;
 119
 120         parent_class            = g_type_class_peek_parent (klass);
 121         gobject_class->finalize = modest_header_view_finalize;
 122
 123         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 124
 125         signals[HEADER_SELECTED_SIGNAL] =
 126                 g_signal_new ("header_selected",
 127                               G_TYPE_FROM_CLASS (gobject_class),
 128                               G_SIGNAL_RUN_FIRST,
 129                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 130                               NULL, NULL,
 131                               g_cclosure_marshal_VOID__POINTER,
 132                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 133
 134         signals[HEADER_ACTIVATED_SIGNAL] =
 135                 g_signal_new ("header_activated",
 136                               G_TYPE_FROM_CLASS (gobject_class),
 137                               G_SIGNAL_RUN_FIRST,
 138                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 139                               NULL, NULL,
 140                               g_cclosure_marshal_VOID__POINTER,
 141                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 142
 143
 144         signals[ITEM_NOT_FOUND_SIGNAL] =
 145                 g_signal_new ("item_not_found",
 146                               G_TYPE_FROM_CLASS (gobject_class),
 147                               G_SIGNAL_RUN_FIRST,
 148                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 149                               NULL, NULL,
 150                               g_cclosure_marshal_VOID__INT,
 151                               G_TYPE_NONE, 1, G_TYPE_INT);
 152
 153         signals[STATUS_UPDATE_SIGNAL] =
 154                 g_signal_new ("status_update",
 155                               G_TYPE_FROM_CLASS (gobject_class),
 156                               G_SIGNAL_RUN_FIRST,
 157                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 158                               NULL, NULL,
 159                               modest_marshal_VOID__STRING_INT_INT,
 160                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 161 }
 162
 163 static GtkTreeViewColumn*
 164 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 165                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 166                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 167 {
 168         GtkTreeViewColumn *column;
 169
 170         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 171         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 172
 173         gtk_tree_view_column_set_resizable (column, resizable);
 174         if (resizable)
 175                 gtk_tree_view_column_set_expand (column, TRUE);
 176
 177         if (show_as_text)
 178                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 179                                                     sort_col_id);
 180         if (sort_col_id >= 0)
 181                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 182
 183         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 184         gtk_tree_view_column_set_reorderable (column, TRUE);
 185
 186         if (cell_data_func)
 187                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 188                                                         user_data, NULL);
 189         return column;
 190 }
 191
 192
 193
 194
 195 static void
 196 remove_all_columns (ModestHeaderView *obj)
 197 {
 198         GList *columns, *cursor;
 199
 200         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 201
 202         for (cursor = columns; cursor; cursor = cursor->next)
 203                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 204                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 205         g_list_free (columns);
 206 }
 207
 208
 209
 210 gboolean
 211 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 212 {
 213         GtkTreeModel *sortable;
 214         GtkTreeViewColumn *column=NULL;
 215         GtkCellRenderer *renderer_msgtype,*renderer_header,
 216                 *renderer_attach;
 217         ModestHeaderViewPrivate *priv;
 218         const GList *cursor;
 219
 220         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 221
 222         /* FIXME: check whether these renderers need to be freed */
 223         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 224         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 225         renderer_header  = gtk_cell_renderer_text_new ();
 226
 227         remove_all_columns (self);
 228
 229         if (priv->headers)
 230                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 231         else
 232                 sortable = NULL;
 233
 234         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 235                 ModestHeaderViewColumn col =
 236                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 237
 238                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 239                         g_printerr ("modest: invalid column %d in column list\n", col);
 240                         continue;
 241                 }
 242
 243                 switch (col) {
 244
 245                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 246                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 247                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 248                                                  FALSE,
 249                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 250                                                  NULL);
 251                         gtk_tree_view_column_set_fixed_width (column, 45);
 252                         break;
 253
 254                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 255                         column = get_new_column (_("A"), renderer_attach, FALSE,
 256                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 257                                                  FALSE,
 258                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 259                                                  NULL);
 260                         gtk_tree_view_column_set_fixed_width (column, 45);
 261                         break;
 262
 263
 264                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 265                         column = get_new_column (_("From"), renderer_header, TRUE,
 266                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 267                                                  TRUE,
 268                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 269                                                  GINT_TO_POINTER(TRUE));
 270                         break;
 271
 272                 case MODEST_HEADER_VIEW_COLUMN_TO:
 273                         column = get_new_column (_("To"), renderer_header, TRUE,
 274                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 275                                                  TRUE,
 276                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 277                                                  GINT_TO_POINTER(FALSE));
 278                         break;
 279
 280                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 281                         column = get_new_column (_("Header"), renderer_header, TRUE,
 282                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 283                                                  TRUE,
 284                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 285                                                  GINT_TO_POINTER(TRUE));
 286                         break;
 287
 288                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 289                         column = get_new_column (_("Header"), renderer_header, TRUE,
 290                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 291                                                  TRUE,
 292                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 293                                                  GINT_TO_POINTER(FALSE));
 294                         break;
 295
 296
 297                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 298                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 299                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 300                                                  TRUE,
 301                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 302                                                  NULL);
 303                         break;
 304
 305                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 306                         column = get_new_column (_("Received"), renderer_header, TRUE,
 307                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 308                                                  TRUE,
 309                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 310                                                  GINT_TO_POINTER(TRUE));
 311                         break;
 312
 313                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 314                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 315                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 316                                                  TRUE,
 317                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 318                                                  GINT_TO_POINTER(FALSE));
 319                         break;
 320
 321                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 322                         column = get_new_column (_("Size"), renderer_header, TRUE,
 323                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 324                                                  FALSE,
 325                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 326                                                  NULL);
 327                         break;
 328
 329                 default:
 330                         g_return_val_if_reached(FALSE);
 331                 }
 332
 333                 if (sortable)
 334                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 335                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 336                                                          column, NULL);
 337
 338                 /* we keep the column id around */
 339                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 340                                    GINT_TO_POINTER(col));
 341
 342                 /* we need this ptr when sorting the rows */
 343                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 344                                    self);
 345                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 346         }
 347         return TRUE;
 348 }
 349
 350 static void
 351 modest_header_view_init (ModestHeaderView *obj)
 352 {
 353         ModestHeaderViewPrivate *priv;
 354
 355         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 356
 357         priv->lock    = g_mutex_new ();
 358         priv->folder  = NULL;
 359         priv->headers = NULL;
 360
 361         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 362 }
 363
 364 static void
 365 modest_header_view_finalize (GObject *obj)
 366 {
 367         ModestHeaderView        *self;
 368         ModestHeaderViewPrivate *priv;
 369
 370         self = MODEST_HEADER_VIEW(obj);
 371         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 372
 373         if (priv->headers)
 374                 g_object_unref (G_OBJECT(priv->headers));
 375
 376         if (priv->lock) {
 377                 g_mutex_free (priv->lock);
 378                 priv->lock = NULL;
 379         }
 380
 381         priv->headers  = NULL;
 382         priv->folder   = NULL;
 383
 384         G_OBJECT_CLASS(parent_class)->finalize (obj);
 385 }
 386
 387
 388 GtkWidget*
 389 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 390 {
 391         GObject *obj;
 392         GtkTreeSelection *sel;
 393         ModestHeaderView *self;
 394         ModestHeaderViewPrivate *priv;
 395
 396         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 397                               NULL);
 398
 399         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 400         self = MODEST_HEADER_VIEW(obj);
 401         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 402
 403         modest_header_view_set_style   (self, style);
 404         modest_header_view_set_folder (self, NULL);
 405
 406         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 407         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 408         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 409
 410         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 411                                       TRUE); /* alternating row colors */
 412         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 413
 414         g_signal_connect (sel, "changed",
 415                           G_CALLBACK(on_selection_changed), self);
 416
 417         g_signal_connect (self, "button-press-event",
 418                           G_CALLBACK(on_header_clicked), NULL);
 419
 420         return GTK_WIDGET(self);
 421 }
 422
 423
 424 TnyList *
 425 modest_header_view_get_selected_headers (ModestHeaderView *self)
 426 {
 427         GtkTreeSelection *sel;
 428         ModestHeaderViewPrivate *priv;
 429         TnyList *header_list = NULL;
 430         TnyHeader *header;
 431         GList *list, *tmp = NULL;
 432         GtkTreeModel *tree_model = NULL;
 433         GtkTreeIter iter;
 434
 435         g_return_val_if_fail (self, NULL);
 436
 437         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 438
 439         /* Get selected rows */
 440         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 441         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 442
 443         if (list) {
 444                 header_list = tny_simple_list_new();
 445
 446                 list = g_list_reverse (list);
 447                 tmp = list;
 448                 while (tmp) {
 449                         /* get header from selection */
 450                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 451                         gtk_tree_model_get (tree_model, &iter,
 452                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 453                                             &header, -1);
 454                         /* Prepend to list */
 455                         tny_list_prepend (header_list, G_OBJECT (header));
 456                         tmp = g_list_next (tmp);
 457                 }
 458                 /* Clean up*/
 459                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 460                 g_list_free (list);
 461         }
 462         return header_list;
 463 }
 464
 465
 466 /* scroll our list view so the selected item is visible */
 467 static void
 468 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 469 {
 470 #if MODEST_PLATFORM_ID==1  /* MODES_PLATFORM_ID: 1 ==> gtk, 2==> maemo */
 471
 472         GtkTreePath *selected_path;
 473         GtkTreePath *start, *end;
 474
 475         GtkTreeModel *model;
 476
 477         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 478         selected_path = gtk_tree_model_get_path (model, iter);
 479
 480         start = gtk_tree_path_new ();
 481         end   = gtk_tree_path_new ();
 482
 483         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 484
 485         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 486             gtk_tree_path_compare (end, selected_path) < 0)
 487                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 488                                               selected_path, NULL, TRUE,
 489                                               up ? 0.0 : 1.0,
 490                                               up ? 0.0 : 1.0);
 491         gtk_tree_path_free (selected_path);
 492         gtk_tree_path_free (start);
 493         gtk_tree_path_free (end);
 494
 495 #endif /* MODEST_PLATFORM_ID */
 496 }
 497
 498
 499 void
 500 modest_header_view_select_next (ModestHeaderView *self)
 501 {
 502         GtkTreeSelection *sel;
 503         GtkTreeIter iter;
 504         GtkTreeModel *model;
 505
 506         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 507         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 508                 if (gtk_tree_model_iter_next (model, &iter)) {
 509                         gtk_tree_selection_select_iter (sel, &iter);
 510                         scroll_to_selected (self, &iter, FALSE);
 511                 }
 512         }
 513 }
 514
 515 void
 516 modest_header_view_select_prev (ModestHeaderView *self)
 517 {
 518         GtkTreeSelection *sel;
 519         GtkTreeIter iter;
 520         GtkTreeModel *model;
 521         GtkTreePath *path;
 522
 523         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 524         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 525                 path = gtk_tree_model_get_path (model, &iter);
 526
 527                 /* Move path up */
 528                 if (gtk_tree_path_prev (path)) {
 529                         gtk_tree_model_get_iter (model, &iter, path);
 530
 531                         /* Select the new one */
 532                         gtk_tree_selection_select_iter (sel, &iter);
 533                         scroll_to_selected (self, &iter, TRUE);
 534
 535                 }
 536                 gtk_tree_path_free (path);
 537         }
 538 }
 539
 540 GList*
 541 modest_header_view_get_columns (ModestHeaderView *self)
 542 {
 543         g_return_val_if_fail (self, FALSE);
 544         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 545 }
 546
 547 gboolean
 548 modest_header_view_is_empty (ModestHeaderView *self)
 549 {
 550         g_return_val_if_fail (self, FALSE);
 551         return FALSE; /* FIXME */
 552 }
 553
 554
 555 gboolean
 556 modest_header_view_set_style (ModestHeaderView *self,
 557                               ModestHeaderViewStyle style)
 558 {
 559         ModestHeaderViewPrivate *priv;
 560         gboolean show_col_headers = FALSE;
 561         ModestHeaderViewStyle old_style;
 562
 563         g_return_val_if_fail (self, FALSE);
 564         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 565                               FALSE);
 566
 567         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 568         if (priv->style == style)
 569                 return TRUE; /* nothing to do */
 570
 571         switch (style) {
 572         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 573                 show_col_headers = TRUE;
 574                 break;
 575         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 576                 break;
 577         default:
 578                 g_return_val_if_reached (FALSE);
 579         }
 580         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 581         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 582
 583         old_style   = priv->style;
 584         priv->style = style;
 585
 586         return TRUE;
 587 }
 588
 589
 590 ModestHeaderViewStyle
 591 modest_header_view_get_style (ModestHeaderView *self)
 592 {
 593         g_return_val_if_fail (self, FALSE);
 594         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 595 }
 596
 597
 598 static void
 599 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 600                    gpointer user_data)
 601 {
 602         GtkTreeModel *sortable;
 603         ModestHeaderView *self;
 604         ModestHeaderViewPrivate *priv;
 605         GError *error = NULL;
 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         priv->folder = folder;
 619
 620         if (folder) { /* it's a new one or a refresh */
 621                 GList *cols, *cursor;
 622
 623                 if (priv->headers)
 624                         g_object_unref (priv->headers);
 625
 626                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 627                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 628                 if (error) {
 629                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 630                                        0, MODEST_ITEM_TYPE_MESSAGE);
 631                         g_print (error->message);
 632                         g_error_free (error);
 633                         return;
 634                 }
 635
 636                 tny_gtk_header_list_model_set_folder
 637                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 638
 639                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 640
 641                 /* install our special sorting functions */
 642                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 643                 while (cursor) {
 644                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 645                                                                          MODEST_HEADER_VIEW_COLUMN));
 646                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 647                                                          col_id,
 648                                                          (GtkTreeIterCompareFunc)cmp_rows,
 649                                                          cursor->data, NULL);
 650                         cursor = g_list_next(cursor);
 651                 }
 652                 g_list_free (cols);
 653                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 654         }
 655 }
 656
 657
 658 static void
 659 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 660                                  gint num, gint total,  gpointer user_data)
 661 {
 662         ModestHeaderView *self;
 663         ModestHeaderViewPrivate *priv;
 664
 665         self = MODEST_HEADER_VIEW(user_data);
 666         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 667
 668         /* FIXME: this is a hack ==> tinymail gives us this when
 669          * it has nothing better to do */
 670         if (num == 1 && total == 100)
 671                 return;
 672
 673         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 674                        0, msg, num, total);
 675 }
 676
 677
 678 TnyFolder*
 679 modest_header_view_get_folder (ModestHeaderView *self)
 680 {
 681         ModestHeaderViewPrivate *priv;
 682         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 683
 684         return priv->folder;
 685 }
 686
 687
 688 void
 689 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 690 {
 691         ModestHeaderViewPrivate *priv;
 692         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 693
 694         priv->folder = folder;
 695
 696         if (folder) {
 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         }
 706 }
 707
 708 static gboolean
 709 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 710 {
 711         ModestHeaderView *self;
 712         ModestHeaderViewPrivate *priv;
 713         GtkTreeIter iter;
 714         GtkTreeSelection *sel;
 715         GtkTreeModel *model;
 716         TnyHeader *header;
 717
 718         /* ignore everything but doubleclick */
 719         if (event->type != GDK_2BUTTON_PRESS)
 720                 return FALSE;
 721
 722         self = MODEST_HEADER_VIEW (widget);
 723         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 724
 725         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 726         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 727
 728         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 729                 return FALSE; /* msg was _un_selected */
 730
 731         /* get the first selected item */
 732         gtk_tree_model_get (model, &iter,
 733                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 734                             &header, -1);
 735         /* Emit signal */
 736         g_signal_emit (G_OBJECT(self),
 737                        signals[HEADER_ACTIVATED_SIGNAL],
 738                        0, header);
 739
 740         return TRUE;
 741 }
 742
 743
 744 static void
 745 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 746 {
 747         GtkTreeModel *model;
 748         TnyHeader *header;
 749         GtkTreeIter iter;
 750         ModestHeaderView *self;
 751         ModestHeaderViewPrivate *priv;
 752
 753         g_return_if_fail (sel);
 754         g_return_if_fail (user_data);
 755
 756         self = MODEST_HEADER_VIEW (user_data);
 757         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 758
 759         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 760                 return; /* msg was _un_selected */
 761
 762         gtk_tree_model_get (model, &iter,
 763                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 764                             &header, -1);
 765
 766         /* Emit signal */
 767         g_signal_emit (G_OBJECT(self),
 768                        signals[HEADER_SELECTED_SIGNAL],
 769                        0, header);
 770 }
 771
 772
 773 /* PROTECTED method. It's useful when we want to force a given
 774    selection to reload a msg. For example if we have selected a header
 775    in offline mode, when Modest become online, we want to reload the
 776    message automatically without an user click over the header */
 777 void
 778 _modest_header_view_change_selection (GtkTreeSelection *selection,
 779                                       gpointer user_data)
 780 {
 781         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 782         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 783
 784         on_selection_changed (selection, user_data);
 785 }
 786
 787
 788 static gint
 789 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 790           gpointer user_data)
 791 {
 792         gint col_id;
 793         gint t1, t2;
 794         gint val1, val2;
 795         gchar *s1, *s2;
 796         gint cmp;
 797
 798         static int counter = 0;
 799         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 800
 801         if (!(++counter % 100)) {
 802                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 803                                                          MODEST_HEADER_VIEW_PTR);
 804                 g_signal_emit (header_view,
 805                                signals[STATUS_UPDATE_SIGNAL],
 806                                0, _("Sorting..."), 0, 0);
 807         }
 808         switch (col_id) {
 809
 810                 /* first one, we decide based on the time */
 811         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 812         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 813
 814                 gtk_tree_model_get (tree_model, iter1,
 815                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 816                                     &t1,-1);
 817                 gtk_tree_model_get (tree_model, iter2,
 818                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 819                                     &t2,-1);
 820                 return t1 - t2;
 821
 822         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 823         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 824                 gtk_tree_model_get (tree_model, iter1,
 825                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 826                                     &t1,-1);
 827                 gtk_tree_model_get (tree_model, iter2,
 828                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 829                                     &t2,-1);
 830                 return t1 - t2;
 831
 832
 833                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 834                 /* FIXME: what about received-date? */
 835         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 836
 837                 gtk_tree_model_get (tree_model, iter1,
 838                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 839                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 840                                     -1);
 841                 gtk_tree_model_get (tree_model, iter2,
 842                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 843                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 844                                     -1);
 845
 846                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 847                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 848                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 849                                                      TRUE);
 850                 g_free (s1);
 851                 g_free (s2);
 852
 853                 return cmp ? cmp : t1 - t2;
 854         }
 855
 856         case MODEST_HEADER_VIEW_COLUMN_FROM:
 857
 858                 gtk_tree_model_get (tree_model, iter1,
 859                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 860                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 861                                     -1);
 862                 gtk_tree_model_get (tree_model, iter2,
 863                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 864                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 865                                     -1);
 866                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 867                 g_free (s1);
 868                 g_free (s2);
 869
 870                 return cmp ? cmp : t1 - t2;
 871
 872         case MODEST_HEADER_VIEW_COLUMN_TO:
 873
 874                 gtk_tree_model_get (tree_model, iter1,
 875                                     TNY_GTK_HEADER_LIST_MODEL_TO_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_TO_COLUMN, &s2,
 880                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 881                                     -1);
 882                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 883                 g_free (s1);
 884                 g_free (s2);
 885
 886                 return cmp ? cmp : t1 - t2;
 887
 888         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 889
 890                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 891                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 892                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 893                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 894
 895                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 896                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 897
 898                 return cmp ? cmp : t1 - t2;
 899
 900         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 901                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 902                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 903                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 904                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 905                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 906
 907                 return cmp ? cmp : t1 - t2;
 908
 909         default:
 910                 return &iter1 - &iter2; /* oughhhh  */
 911         }
 912 }
 913
 914 static const GtkTargetEntry drag_types[] =
 915 {
 916         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, 0 }
 917 };
 918
 919 static void
 920 drag_data_get_cb (GtkWidget *widget,
 921                   GdkDragContext *context,
 922                   GtkSelectionData *selection_data,
 923                   guint info,
 924                   guint time,
 925                   gpointer data)
 926 {
 927         GtkTreeSelection *selection;
 928         GtkTreeModel *model;
 929         GtkTreeIter iter;
 930         GtkTreePath *source_row;
 931
 932         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 933         gtk_tree_selection_get_selected (selection, &model, &iter);
 934         source_row = gtk_tree_model_get_path (model, &iter);
 935
 936         gtk_tree_set_row_drag_data (selection_data,
 937                                     model,
 938                                     source_row);
 939
 940         gtk_tree_path_free (source_row);
 941 }
 942
 943 static void
 944 setup_drag_and_drop (GtkTreeView *self)
 945 {
 946         gtk_drag_source_set (GTK_WIDGET (self),
 947                              GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
 948                              drag_types,
 949                              G_N_ELEMENTS (drag_types),
 950                              GDK_ACTION_MOVE);
 951
 952         gtk_signal_connect(GTK_OBJECT (self),
 953                            "drag_data_get",
 954                            GTK_SIGNAL_FUNC(drag_data_get_cb),
 955                            NULL);
 956 }