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-marshal.h>
  37 #include <modest-text-utils.h>
  38 #include <modest-icon-names.h>
  39 #include <modest-icon-factory.h>
  40
  41 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  42 static void modest_header_view_init        (ModestHeaderView *obj);
  43 static void modest_header_view_finalize    (GObject *obj);
  44
  45 static void on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  46
  47 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  48
  49 enum {
  50         HEADER_SELECTED_SIGNAL,
  51         ITEM_NOT_FOUND_SIGNAL,
  52         STATUS_UPDATE_SIGNAL,
  53         LAST_SIGNAL
  54 };
  55
  56
  57 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  58 struct _ModestHeaderViewPrivate {
  59         TnyFolder            *folder;
  60         TnyList              *headers;
  61         GMutex               *lock;
  62         ModestHeaderViewStyle style;
  63         gulong               sig1;
  64
  65 };
  66 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  67                                                 MODEST_TYPE_HEADER_VIEW, \
  68                                                 ModestHeaderViewPrivate))
  69
  70 /* globals */
  71 static GObjectClass *parent_class = NULL;
  72
  73 /* uncomment the following if you have defined any signals */
  74 static guint signals[LAST_SIGNAL] = {0};
  75
  76 GType
  77 modest_header_view_get_type (void)
  78 {
  79         static GType my_type = 0;
  80         if (!my_type) {
  81                 static const GTypeInfo my_info = {
  82                         sizeof(ModestHeaderViewClass),
  83                         NULL,           /* base init */
  84                         NULL,           /* base finalize */
  85                         (GClassInitFunc) modest_header_view_class_init,
  86                         NULL,           /* class finalize */
  87                         NULL,           /* class data */
  88                         sizeof(ModestHeaderView),
  89                         1,              /* n_preallocs */
  90                         (GInstanceInitFunc) modest_header_view_init,
  91                         NULL
  92                 };
  93                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  94                                                   "ModestHeaderView",
  95                                                   &my_info, 0);
  96         }
  97         return my_type;
  98 }
  99
 100 static void
 101 modest_header_view_class_init (ModestHeaderViewClass *klass)
 102 {
 103         GObjectClass *gobject_class;
 104         gobject_class = (GObjectClass*) klass;
 105
 106         parent_class            = g_type_class_peek_parent (klass);
 107         gobject_class->finalize = modest_header_view_finalize;
 108
 109         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 110
 111         signals[HEADER_SELECTED_SIGNAL] =
 112                 g_signal_new ("header_selected",
 113                               G_TYPE_FROM_CLASS (gobject_class),
 114                               G_SIGNAL_RUN_FIRST,
 115                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 116                               NULL, NULL,
 117                               g_cclosure_marshal_VOID__POINTER,
 118                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 119
 120         signals[ITEM_NOT_FOUND_SIGNAL] =
 121                 g_signal_new ("item_not_found",
 122                               G_TYPE_FROM_CLASS (gobject_class),
 123                               G_SIGNAL_RUN_FIRST,
 124                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 125                               NULL, NULL,
 126                               g_cclosure_marshal_VOID__INT,
 127                               G_TYPE_NONE, 1, G_TYPE_INT);
 128
 129         signals[STATUS_UPDATE_SIGNAL] =
 130                 g_signal_new ("status_update",
 131                               G_TYPE_FROM_CLASS (gobject_class),
 132                               G_SIGNAL_RUN_FIRST,
 133                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 134                               NULL, NULL,
 135                               modest_marshal_VOID__STRING_INT_INT,
 136                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 137 }
 138
 139 static void
 140 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 141                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 142 {
 143         TnyHeaderFlags flags;
 144         GdkPixbuf *pixbuf = NULL;
 145
 146         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 147                             &flags, -1);
 148
 149         if (flags & TNY_HEADER_FLAG_DELETED)
 150                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_DELETED);
 151         else if (flags & TNY_HEADER_FLAG_SEEN)
 152                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_READ);
 153         else
 154                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_UNREAD);
 155
 156         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 157 }
 158
 159 static void
 160 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 161                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 162 {
 163         TnyHeaderFlags flags;
 164         GdkPixbuf *pixbuf = NULL;
 165
 166         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 167                             &flags, -1);
 168
 169         if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
 170                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
 171
 172         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 173 }
 174
 175
 176 static void
 177 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 178                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 179 {
 180         TnyHeaderFlags flags;
 181
 182         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 183                             &flags, -1);
 184
 185         g_object_set (G_OBJECT(renderer),
 186                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 187                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 188                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 189                       NULL);
 190 }
 191
 192
 193 static void
 194 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 195                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 196 {
 197         TnyHeaderFlags flags;
 198         gchar *address;
 199         gint sender_receiver_col;
 200
 201         if (is_sender)
 202                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
 203         else
 204                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
 205
 206         gtk_tree_model_get (tree_model, iter,
 207                             sender_receiver_col,  &address,
 208                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 209                             -1);
 210
 211         g_object_set (G_OBJECT(renderer),
 212                       "text",
 213                       modest_text_utils_get_display_address (address),
 214                       "weight",
 215                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 216                       "style",
 217                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 218                       NULL);
 219
 220         g_free (address);
 221 }
 222
 223 static void
 224 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 225                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 226 {
 227         GObject *rendobj;
 228         TnyHeaderFlags flags;
 229         gchar *from, *subject;
 230         gchar *header;
 231         time_t date;
 232
 233         gtk_tree_model_get (tree_model, iter,
 234                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 235                             TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 236                             TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 237                             TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 238                             -1);
 239         rendobj = G_OBJECT(renderer);
 240
 241         header = g_strdup_printf ("%s %s\n%s",
 242                                   modest_text_utils_get_display_address (from),
 243                                   modest_text_utils_get_display_date (date),
 244                                   subject);
 245
 246         g_object_set (G_OBJECT(renderer),
 247                       "text",  header,
 248                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 249                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 250                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 251                       NULL);
 252         g_free (header);
 253         g_free (from);
 254         g_free (subject);
 255 }
 256
 257
 258 static GtkTreeViewColumn*
 259 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 260                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 261                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 262 {
 263         GtkTreeViewColumn *column;
 264
 265         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 266         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 267
 268         gtk_tree_view_column_set_resizable (column, resizable);
 269         if (resizable)
 270                 gtk_tree_view_column_set_min_width (column, 100);
 271
 272         if (show_as_text)
 273                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 274                                                     sort_col_id);
 275         if (sort_col_id >= 0)
 276                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 277
 278         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 279         gtk_tree_view_column_set_reorderable (column, TRUE);
 280
 281         if (cell_data_func)
 282                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 283                                                         user_data, NULL);
 284         return column;
 285 }
 286
 287
 288
 289
 290 static void
 291 remove_all_columns (ModestHeaderView *obj)
 292 {
 293         GList *columns, *cursor;
 294
 295         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 296
 297         for (cursor = columns; cursor; cursor = cursor->next)
 298                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 299                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 300         g_list_free (columns);
 301 }
 302
 303
 304
 305 gboolean
 306 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 307 {
 308         GtkTreeViewColumn *column=NULL;
 309         GtkCellRenderer *renderer_msgtype,
 310                 *renderer_header,
 311                 *renderer_attach;
 312
 313         ModestHeaderViewPrivate *priv;
 314         const GList *cursor;
 315
 316         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 317
 318         /* FIXME: check whether these renderers need to be freed */
 319         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 320         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 321         renderer_header  = gtk_cell_renderer_text_new ();
 322
 323         remove_all_columns (self);
 324
 325         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 326                 ModestHeaderViewColumn col =
 327                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 328
 329                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 330                         g_printerr ("modest: invalid column %d in column list\n", col);
 331                         continue;
 332                 }
 333
 334                 switch (col) {
 335
 336                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 337                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 338                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 339                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 340                                                  NULL);
 341                         gtk_tree_view_column_set_fixed_width (column, 32);
 342                         break;
 343
 344                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 345                         column = get_new_column (_("A"), renderer_attach, FALSE,
 346                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 347                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 348                                                  NULL);
 349                         gtk_tree_view_column_set_fixed_width (column, 32);
 350                         break;
 351
 352                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 353                         column = get_new_column (_("Received"), renderer_header, TRUE,
 354                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 355                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 356                                                  NULL);
 357                         break;
 358
 359                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 360                         column = get_new_column (_("From"), renderer_header, TRUE,
 361                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 362                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 363                                                  GINT_TO_POINTER(TRUE));
 364                         break;
 365
 366                 case MODEST_HEADER_VIEW_COLUMN_TO:
 367                         column = get_new_column (_("To"), renderer_header, TRUE,
 368                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 369                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 370                                                  GINT_TO_POINTER(FALSE));
 371                         break;
 372
 373                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 374                         column = get_new_column (_("Header"), renderer_header, TRUE,
 375                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 376                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 377                                                  NULL);
 378                         break;
 379
 380                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 381                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 382                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 383                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 384                                                  NULL);
 385                         break;
 386
 387
 388                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 389                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 390                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 391                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 392                                                  NULL);
 393                         break;
 394
 395                 default:
 396                         g_assert_not_reached ();
 397                 }
 398
 399                 /* we keep the column id around */
 400                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 401                                    GINT_TO_POINTER(col));
 402
 403                 /* we need this ptr when sorting the rows */
 404                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 405                                    self);
 406
 407                 gtk_tree_view_column_set_visible   (column, TRUE);
 408                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 409         }
 410         return TRUE;
 411 }
 412
 413
 414
 415 static void
 416 modest_header_view_init (ModestHeaderView *obj)
 417 {
 418         ModestHeaderViewPrivate *priv;
 419         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 420
 421         priv->lock = g_mutex_new ();
 422         priv->sig1 = 0;
 423 }
 424
 425 static void
 426 modest_header_view_finalize (GObject *obj)
 427 {
 428         ModestHeaderView        *self;
 429         ModestHeaderViewPrivate *priv;
 430         GtkTreeSelection        *sel;
 431
 432         self = MODEST_HEADER_VIEW(obj);
 433         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 434
 435         if (priv->headers)
 436                 g_object_unref (G_OBJECT(priv->headers));
 437
 438         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 439
 440         if (sel && priv->sig1 != 0) {
 441                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 442                 priv->sig1 = 0;
 443         }
 444
 445         if (priv->lock) {
 446                 g_mutex_free (priv->lock);
 447                 priv->lock = NULL;
 448         }
 449
 450         priv->headers  = NULL;
 451         priv->folder   = NULL;
 452
 453         G_OBJECT_CLASS(parent_class)->finalize (obj);
 454 }
 455
 456 GtkWidget*
 457 modest_header_view_new (TnyFolder *folder, const GList *columns,
 458                         ModestHeaderViewStyle style)
 459 {
 460         GObject *obj;
 461         GtkTreeSelection *sel;
 462         ModestHeaderView *self;
 463         ModestHeaderViewPrivate *priv;
 464
 465         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 466         self = MODEST_HEADER_VIEW(obj);
 467         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 468
 469         if (!modest_header_view_set_folder (self, NULL)) {
 470                 g_warning ("could not set the folder");
 471                 g_object_unref (obj);
 472                 return NULL;
 473         }
 474
 475         modest_header_view_set_style   (self, style);
 476         modest_header_view_set_columns (self, columns);
 477
 478         /* all cols */
 479         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 480         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 481         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 482
 483         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 484                                       TRUE); /* alternating row colors */
 485
 486         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 487
 488         priv->sig1 = g_signal_connect (sel, "changed",
 489                                        G_CALLBACK(on_selection_changed), self);
 490         return GTK_WIDGET(self);
 491 }
 492
 493
 494 TnyList *
 495 modest_header_view_get_selected_headers (ModestHeaderView *self)
 496 {
 497         GtkTreeSelection *sel;
 498         ModestHeaderViewPrivate *priv;
 499         TnyList *header_list = NULL;
 500         TnyHeader *header;
 501         GList *list, *tmp = NULL;
 502         GtkTreeModel *tree_model = NULL;
 503         GtkTreeIter iter;
 504
 505         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 506
 507         /* Get selected rows */
 508         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 509         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 510
 511         if (list) {
 512                 header_list = tny_simple_list_new();
 513
 514                 list = g_list_reverse (list);
 515                 tmp = list;
 516                 while (tmp) {
 517                         /* get header from selection */
 518                         gtk_tree_model_get_iter (tree_model,
 519                                                  &iter,
 520                                                  (GtkTreePath *) (tmp->data));
 521
 522                         gtk_tree_model_get (tree_model, &iter,
 523                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 524                                             &header, -1);
 525
 526                         /* Prepend to list */
 527                         tny_list_prepend (header_list, G_OBJECT (header));
 528                         tmp = g_list_next (tmp);
 529                 }
 530                 /* Clean up*/
 531                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 532                 g_list_free (list);
 533         }
 534         return header_list;
 535 }
 536
 537 void
 538 modest_header_view_select_next (ModestHeaderView *self)
 539 {
 540         GtkTreeSelection *sel;
 541         GtkTreeIter iter;
 542         GtkTreeModel *model;
 543
 544         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 545         if (sel) {
 546                 gtk_tree_selection_get_selected (sel, &model, &iter);
 547                 gtk_tree_model_iter_next (model, &iter);
 548                 gtk_tree_selection_select_iter (sel, &iter);
 549         }
 550 }
 551
 552 GList*
 553 modest_header_view_get_columns (ModestHeaderView *self)
 554 {
 555         g_return_val_if_fail (self, FALSE);
 556         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 557 }
 558
 559 gboolean
 560 modest_header_view_set_style (ModestHeaderView *self,
 561                               ModestHeaderViewStyle style)
 562 {
 563         g_return_val_if_fail (self, FALSE);
 564         g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
 565
 566         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 567
 568         return TRUE;
 569 }
 570
 571 ModestHeaderViewStyle
 572 modest_header_view_get_style (ModestHeaderView *self)
 573 {
 574         g_return_val_if_fail (self, FALSE);
 575
 576         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 577 }
 578
 579
 580 static gint
 581 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 582           gpointer user_data)
 583 {
 584         gint col_id;
 585         gint t1, t2;
 586         gint val1, val2;
 587         gchar *s1, *s2;
 588         gint cmp;
 589
 590         static int counter = 0;
 591         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 592
 593         if (!(++counter % 100)) {
 594                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 595                                                          MODEST_HEADER_VIEW_PTR);
 596                 g_signal_emit (header_view,
 597                                signals[STATUS_UPDATE_SIGNAL],
 598                                0, _("Sorting..."), 0, 0);
 599         }
 600
 601         switch (col_id) {
 602
 603                 /* first one, we decide based on the time */
 604         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 605         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 606                 gtk_tree_model_get (tree_model, iter1,
 607                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 608                                     &t1,-1);
 609                 gtk_tree_model_get (tree_model, iter2,
 610                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 611                                     &t2,-1);
 612                 return t1 - t2;
 613
 614         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 615                 gtk_tree_model_get (tree_model, iter1,
 616                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 617                                     &t1,-1);
 618                 gtk_tree_model_get (tree_model, iter2,
 619                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 620                                     &t2,-1);
 621                 return t1 - t2;
 622
 623
 624                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 625         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 626
 627                 gtk_tree_model_get (tree_model, iter1,
 628                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 629                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 630                                     -1);
 631                 gtk_tree_model_get (tree_model, iter2,
 632                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 633                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 634                                     -1);
 635
 636                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 637                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 638                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 639                                                      TRUE);
 640
 641                 g_free (s1);
 642                 g_free (s2);
 643
 644                 return cmp ? cmp : t1 - t2;
 645         }
 646
 647         case MODEST_HEADER_VIEW_COLUMN_FROM:
 648
 649                 gtk_tree_model_get (tree_model, iter1,
 650                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 651                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 652                                     -1);
 653                 gtk_tree_model_get (tree_model, iter2,
 654                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 655                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 656                                     -1);
 657                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 658                 g_free (s1);
 659                 g_free (s2);
 660
 661                 return cmp ? cmp : t1 - t2;
 662
 663         case MODEST_HEADER_VIEW_COLUMN_TO:
 664
 665                 gtk_tree_model_get (tree_model, iter1,
 666                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 667                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 668                                     -1);
 669                 gtk_tree_model_get (tree_model, iter2,
 670                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 671                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 672                                     -1);
 673                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 674                 g_free (s1);
 675                 g_free (s2);
 676
 677                 return cmp ? cmp : t1 - t2;
 678
 679         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 680
 681                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 682                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 683                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 684                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 685
 686                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 687                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 688
 689                 return cmp ? cmp : t1 - t2;
 690
 691         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 692                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 693                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 694                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 695                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 696                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 697
 698                 return cmp ? cmp : t1 - t2;
 699
 700         default:
 701                 return &iter1 - &iter2; /* oughhhh  */
 702         }
 703 }
 704
 705
 706 static void
 707 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 708                    gpointer user_data)
 709 {
 710         GtkTreeModel *sortable;
 711         ModestHeaderView *self;
 712         ModestHeaderViewPrivate *priv;
 713         GError *error = NULL;
 714
 715         if (cancelled)
 716                 return;
 717
 718         self = MODEST_HEADER_VIEW(user_data);
 719         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 720
 721         priv->folder = folder;
 722
 723         if (!folder)  /* when there is no folder */
 724                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 725         else { /* it's a new one or a refresh */
 726                 GList *cols, *cursor;
 727
 728                 if (priv->headers)
 729                         g_object_unref (priv->headers);
 730
 731                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 732                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 733                 if (error) {
 734                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 735                                        0, MODEST_ITEM_TYPE_MESSAGE);
 736                         g_print (error->message);
 737                         g_error_free (error);
 738                         return;
 739                 }
 740
 741                 tny_gtk_header_list_model_set_folder
 742                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 743
 744                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 745
 746                 /* install our special sorting functions */
 747                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 748                 while (cursor) {
 749                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 750                                                                          MODEST_HEADER_VIEW_COLUMN));
 751                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 752                                                          col_id,
 753                                                          (GtkTreeIterCompareFunc)cmp_rows,
 754                                                          cursor->data, NULL);
 755                         cursor = g_list_next(cursor);
 756                 }
 757                 g_list_free (cols);
 758
 759                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 760                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 761                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 762         }
 763 }
 764
 765
 766 static void
 767 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 768                                  gint num, gint total,  gpointer user_data)
 769 {
 770         ModestHeaderView *self;
 771         ModestHeaderViewPrivate *priv;
 772
 773         self = MODEST_HEADER_VIEW(user_data);
 774         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 775
 776         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 777                        0, msg, num, total);
 778 }
 779
 780
 781 TnyFolder*
 782 modest_header_view_get_folder (ModestHeaderView *self)
 783 {
 784         ModestHeaderViewPrivate *priv;
 785         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 786
 787         return priv->folder;
 788 }
 789
 790
 791 gboolean
 792 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 793 {
 794         ModestHeaderViewPrivate *priv;
 795         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 796
 797         priv->folder = folder;
 798
 799         if (!folder)  {/* when there is no folder */
 800                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 801                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 802         } else { /* it's a new one or a refresh */
 803                 tny_folder_refresh_async (folder,
 804                                           on_refresh_folder,
 805                                           on_refresh_folder_status_update,
 806                                           self);
 807         }
 808
 809         /* no message selected */
 810         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 811                        NULL);
 812         return TRUE;
 813 }
 814
 815 static void
 816 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 817 {
 818         GtkTreeModel *model;
 819         TnyHeader *header;
 820         GtkTreeIter iter;
 821         ModestHeaderView *self;
 822         ModestHeaderViewPrivate *priv;
 823
 824         g_return_if_fail (sel);
 825         g_return_if_fail (user_data);
 826
 827         self = MODEST_HEADER_VIEW (user_data);
 828         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 829
 830         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 831                 return; /* msg was _un_selected */
 832
 833         gtk_tree_model_get (model, &iter,
 834                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 835                             &header, -1);
 836
 837         /* Emit signal */
 838         g_signal_emit (G_OBJECT(self),
 839                        signals[HEADER_SELECTED_SIGNAL],
 840                        0, header);
 841 }
 842
 843
 844 /* PROTECTED method. It's useful when we want to force a given
 845    selection to reload a msg. For example if we have selected a header
 846    in offline mode, when Modest become online, we want to reload the
 847    message automatically without an user click over the header */
 848 void
 849 _modest_header_view_change_selection (GtkTreeSelection *selection,
 850                                       gpointer user_data)
 851 {
 852         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 853         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 854
 855         on_selection_changed (selection, user_data);
 856 }