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 enum {
  48         MESSAGE_SELECTED_SIGNAL,
  49         ITEM_NOT_FOUND_SIGNAL,
  50         STATUS_UPDATE_SIGNAL,
  51         LAST_SIGNAL
  52 };
  53
  54
  55 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  56 struct _ModestHeaderViewPrivate {
  57
  58         TnyFolder *tny_folder;
  59         TnyList      *headers;
  60         GSList            *columns;
  61         GMutex            *lock;
  62         ModestHeaderViewStyle style;
  63
  64         gulong            sig1;
  65
  66 };
  67 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  68                                                 MODEST_TYPE_HEADER_VIEW, \
  69                                                 ModestHeaderViewPrivate))
  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[MESSAGE_SELECTED_SIGNAL] =
 112                 g_signal_new ("message_selected",
 113                               G_TYPE_FROM_CLASS (gobject_class),
 114                               G_SIGNAL_RUN_FIRST,
 115                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_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,message_selected),
 134                               NULL, NULL,
 135                               modest_marshal_VOID__STRING_INT,
 136                               G_TYPE_NONE, 2, G_TYPE_STRING, 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_small_icon (MODEST_HEADER_ICON_DELETED);
 151         else if (flags & TNY_HEADER_FLAG_SEEN)
 152                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_READ);
 153         else
 154                 pixbuf = modest_icon_factory_get_small_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
 194 /* try to make a shorter display address; changes its argument in-place */
 195 static gchar*
 196 display_address (gchar *address)
 197 {
 198         gchar *cursor;
 199
 200         if (!address)
 201                 return NULL;
 202
 203         /* simplistic --> remove <email@address> from display name */
 204         cursor = g_strstr_len (address, strlen(address), "<");
 205         if (cursor)
 206                 cursor[0]='\0';
 207
 208         /* simplistic --> remove (bla bla) from display name */
 209         cursor = g_strstr_len (address, strlen(address), "(");
 210         if (cursor)
 211                 cursor[0]='\0';
 212
 213         /* FIXME */
 214         if (!g_utf8_validate (address, -1, NULL))
 215                 g_printerr ("modest: invalid: '%s'", address);
 216
 217         return address;
 218 }
 219
 220
 221
 222 static void
 223 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 224                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 225 {
 226         TnyHeaderFlags flags;
 227         gchar *address;
 228         gint sender_receiver_col;
 229
 230         if (is_sender)
 231                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
 232         else
 233                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
 234
 235         gtk_tree_model_get (tree_model, iter,
 236                             sender_receiver_col,  &address,
 237                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 238                             -1);
 239
 240         g_object_set (G_OBJECT(renderer),
 241                       "text",
 242                       display_address (address),
 243                       "weight",
 244                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 245                       "style",
 246                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 247                       NULL);
 248
 249         g_free (address);
 250 }
 251
 252
 253
 254
 255 /* not reentrant/thread-safe */
 256 const gchar*
 257 display_date (time_t date)
 258 {
 259         struct tm date_tm, now_tm;
 260         time_t now;
 261
 262         const gint buf_size = 64;
 263         static gchar date_buf[64]; /* buf_size is not ... */
 264         static gchar now_buf[64];  /* ...const enough... */
 265
 266         now = time (NULL);
 267
 268         localtime_r(&now, &now_tm);
 269         localtime_r(&date, &date_tm);
 270
 271         /* get today's date */
 272         modest_text_utils_strftime (date_buf, buf_size, "%x", &date_tm);
 273         modest_text_utils_strftime (now_buf,  buf_size, "%x",  &now_tm);
 274         /* today */
 275
 276         /* if this is today, get the time instead of the date */
 277         if (strcmp (date_buf, now_buf) == 0)
 278                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 279
 280         return date_buf;
 281 }
 282
 283
 284 static void
 285 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 286                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 287 {
 288         GObject *rendobj;
 289         TnyHeaderFlags flags;
 290         gchar *from, *subject;
 291         gchar *header;
 292         time_t date;
 293
 294         gtk_tree_model_get (tree_model, iter,
 295                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 296                             TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 297                             TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 298                             TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 299                             -1);
 300         rendobj = G_OBJECT(renderer);
 301
 302         header = g_strdup_printf ("%s %s\n%s",
 303                                   display_address (from),
 304                                   display_date(date),
 305                                   subject);
 306
 307         g_object_set (G_OBJECT(renderer),
 308                       "text",  header,
 309                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 310                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 311                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 312                       NULL);
 313         g_free (header);
 314         g_free (from);
 315         g_free (subject);
 316 }
 317
 318
 319 static GtkTreeViewColumn*
 320 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 321                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 322                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 323 {
 324         GtkTreeViewColumn *column;
 325
 326         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 327         gtk_tree_view_column_set_resizable (column, resizable);
 328         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 329
 330         if (show_as_text)
 331                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 332                                                     sort_col_id);
 333         if (sort_col_id >= 0)
 334                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 335
 336         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 337         gtk_tree_view_column_set_reorderable (column, TRUE);
 338
 339         if (cell_data_func)
 340                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 341                                                         user_data, NULL);
 342
 343         return column;
 344 }
 345
 346
 347
 348
 349 static void
 350 remove_all_columns (ModestHeaderView *obj)
 351 {
 352         GList *columns, *cursor;
 353
 354         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 355
 356         for (cursor = columns; cursor; cursor = cursor->next)
 357                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 358                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 359         g_list_free (columns);
 360 }
 361
 362
 363
 364
 365 static void
 366 init_columns (ModestHeaderView *obj)
 367 {
 368         GtkTreeViewColumn *column=NULL;
 369         GtkCellRenderer *renderer_msgtype,
 370                 *renderer_header,
 371                 *renderer_attach;
 372
 373         ModestHeaderViewPrivate *priv;
 374         GSList *cursor;
 375
 376         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 377
 378         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 379         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 380         renderer_header = gtk_cell_renderer_text_new ();
 381
 382         remove_all_columns (obj);
 383
 384         for (cursor = priv->columns; cursor; cursor = cursor->next) {
 385                 ModestHeaderViewColumn col =
 386                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 387
 388                 switch (col) {
 389
 390                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 391
 392                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 393                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 394                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 395                                                  NULL);
 396                         break;
 397
 398                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 399
 400                         column = get_new_column (_("A"), renderer_attach, FALSE,
 401                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 402                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 403                                                  NULL);
 404                         break;
 405
 406                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 407                         column = get_new_column (_("Received"), renderer_header, TRUE,
 408                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 409                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 410                                                  NULL);
 411                         break;
 412
 413                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 414                         column = get_new_column (_("From"), renderer_header, TRUE,
 415                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 416                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 417                                                  GINT_TO_POINTER(TRUE));
 418                         break;
 419
 420                 case MODEST_HEADER_VIEW_COLUMN_TO:
 421                         column = get_new_column (_("To"), renderer_header, TRUE,
 422                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 423                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 424                                                  GINT_TO_POINTER(FALSE));
 425                         break;
 426
 427                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 428                         column = get_new_column (_("Header"), renderer_header, TRUE,
 429                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 430                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 431                                                  NULL);
 432                         break;
 433
 434                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 435                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 436                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 437                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 438                                                  NULL);
 439                         break;
 440
 441
 442                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 443                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 444                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 445                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 446                                                  NULL);
 447                         break;
 448
 449                 default:
 450                         g_assert_not_reached ();
 451                 }
 452
 453                 gtk_tree_view_column_set_visible (column, TRUE);
 454                 gtk_tree_view_column_set_min_width (column, 36);
 455                 gtk_tree_view_column_set_resizable (column, TRUE);
 456
 457                 gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 458         }
 459 }
 460
 461
 462
 463 static void
 464 modest_header_view_init (ModestHeaderView *obj)
 465 {
 466         ModestHeaderViewPrivate *priv;
 467         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 468
 469         priv->lock = g_mutex_new ();
 470         priv->sig1 = 0;
 471 }
 472
 473 static void
 474 modest_header_view_finalize (GObject *obj)
 475 {
 476         ModestHeaderView        *self;
 477         ModestHeaderViewPrivate *priv;
 478         GtkTreeSelection        *sel;
 479
 480         self = MODEST_HEADER_VIEW(obj);
 481         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 482
 483         if (priv->headers)
 484                 g_object_unref (G_OBJECT(priv->headers));
 485
 486         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 487
 488         if (sel && priv->sig1 != 0) {
 489                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 490                 priv->sig1 = 0;
 491         }
 492
 493         if (priv->lock) {
 494                 g_mutex_free (priv->lock);
 495                 priv->lock = NULL;
 496         }
 497
 498         priv->headers       = NULL;
 499         priv->tny_folder    = NULL;
 500
 501         G_OBJECT_CLASS(parent_class)->finalize (obj);
 502 }
 503
 504 GtkWidget*
 505 modest_header_view_new (TnyFolder *folder,
 506                         GSList *columns,
 507                         ModestHeaderViewStyle style)
 508 {
 509         GObject *obj;
 510         GtkTreeSelection *sel;
 511         ModestHeaderView *self;
 512         ModestHeaderViewPrivate *priv;
 513
 514         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 515         self = MODEST_HEADER_VIEW(obj);
 516         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 517
 518         if (!modest_header_view_set_folder (self, NULL)) {
 519                 g_warning ("could not set the folder");
 520                 g_object_unref (obj);
 521                 return NULL;
 522         }
 523
 524         modest_header_view_set_style   (self, style);
 525         modest_header_view_set_columns (self, columns);
 526
 527         /* all cols */
 528         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 529         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 530         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 531
 532         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 533                                       TRUE); /* alternating row colors */
 534
 535         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 536
 537         priv->sig1 = g_signal_connect (sel, "changed",
 538                                        G_CALLBACK(on_selection_changed), self);
 539
 540
 541         return GTK_WIDGET(self);
 542 }
 543
 544 gboolean
 545 modest_header_view_set_columns (ModestHeaderView *self, GSList *columns)
 546 {
 547         ModestHeaderViewPrivate *priv;
 548         GSList *cursor;
 549
 550         g_return_val_if_fail (self, FALSE);
 551
 552         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 553
 554         g_slist_free (priv->columns);
 555
 556         for (cursor = columns; cursor; cursor = cursor->next) {
 557                 ModestHeaderViewColumn col =
 558                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 559                 if (col >= MODEST_HEADER_VIEW_COLUMN_NUM)
 560                         g_printerr ("modest: invalid column %d in column list\n", col);
 561                 else
 562                         priv->columns = g_slist_append (priv->columns, cursor->data);
 563         }
 564
 565         init_columns (self); /* redraw them */
 566         return TRUE;
 567 }
 568
 569
 570 TnyList *
 571 modest_header_view_get_selected_headers (ModestHeaderView *self)
 572 {
 573         GtkTreeSelection *sel;
 574         ModestHeaderViewPrivate *priv;
 575         TnyList *header_list = NULL;
 576         TnyHeader *header;
 577         GList *list, *tmp = NULL;
 578         GtkTreeModel *tree_model = NULL;
 579         GtkTreeIter iter;
 580
 581         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 582
 583         /* Get selected rows */
 584         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 585         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 586
 587         if (list) {
 588                 header_list = tny_simple_list_new();
 589
 590                 list = g_list_reverse (list);
 591                 tmp = list;
 592                 while (tmp) {
 593                         /* Get Header from selection */
 594                         gtk_tree_model_get_iter (tree_model,
 595                                                  &iter,
 596                                                  (GtkTreePath *) (tmp->data));
 597
 598                         gtk_tree_model_get (tree_model, &iter,
 599                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 600                                             &header, -1);
 601
 602                         /* Prepend to list */
 603                         tny_list_prepend (header_list, G_OBJECT (header));
 604                         tmp = g_list_next (tmp);
 605                 }
 606                 /* Clean up*/
 607                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 608                 g_list_free (list);
 609         }
 610         return header_list;
 611 }
 612
 613 const GSList*
 614 modest_header_view_get_columns (ModestHeaderView *self)
 615 {
 616         ModestHeaderViewPrivate *priv;
 617
 618         g_return_val_if_fail (self, FALSE);
 619
 620         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 621         return priv->columns;
 622 }
 623
 624
 625
 626
 627 gboolean
 628 modest_header_view_set_style (ModestHeaderView *self,
 629                                        ModestHeaderViewStyle style)
 630 {
 631         g_return_val_if_fail (self, FALSE);
 632         g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
 633
 634         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 635
 636         return TRUE;
 637 }
 638
 639 ModestHeaderViewStyle
 640 modest_header_view_get_style (ModestHeaderView *self)
 641 {
 642         g_return_val_if_fail (self, FALSE);
 643
 644         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 645 }
 646
 647
 648
 649 /* get the length of any prefix that should be ignored for sorting */
 650 static inline int
 651 get_prefix_len (const gchar *sub)
 652 {
 653         gint i;
 654         static const gchar* prefix[] = {
 655                 "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
 656         };
 657
 658         if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
 659                 return 0;
 660
 661         i = 0;
 662
 663         while (prefix[i]) {
 664                 if (g_str_has_prefix(sub, prefix[i])) {
 665                         int prefix_len = strlen(prefix[i]);
 666                         if (sub[prefix_len] == ' ')
 667                                 ++prefix_len; /* ignore space after prefix as well */
 668                         return prefix_len;
 669                 }
 670                 ++i;
 671         }
 672         return 0;
 673 }
 674
 675
 676
 677 /* a strcmp that is case insensitive and NULL-safe */
 678 static gint
 679 cmp_insensitive_str (const gchar* s1, const gchar *s2)
 680 {
 681         gint result = 0;
 682         gchar *n1, *n2;
 683
 684         /* work even when s1 and/or s2 == NULL */
 685         if (s1 == s2)
 686                 return 0;
 687         if (!s1)
 688                 return -1;
 689         if (!s2)
 690                 return 1;
 691
 692         n1 = g_utf8_collate_key (s1, -1);
 693         n2 = g_utf8_collate_key (s2, -1);
 694
 695         result = strcmp (n1, n2);
 696
 697         g_free (n1);
 698         g_free (n2);
 699
 700         return result;
 701 }
 702
 703
 704 static gint
 705 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 706           gpointer user_data)
 707 {
 708         gint col_id = GPOINTER_TO_INT (user_data);
 709         gint t1, t2;
 710         gint val1, val2;
 711         gchar *s1, *s2;
 712         gint cmp;
 713
 714         g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
 715
 716         switch (col_id) {
 717
 718                 /* first one, we decide based on the time */
 719         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 720         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 721                 gtk_tree_model_get (tree_model, iter1,
 722                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 723                                     &t1,-1);
 724                 gtk_tree_model_get (tree_model, iter2,
 725                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 726                                     &t2,-1);
 727                 return t1 - t2;
 728
 729         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 730                 gtk_tree_model_get (tree_model, iter1,
 731                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 732                                     &t1,-1);
 733                 gtk_tree_model_get (tree_model, iter2,
 734                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 735                                     &t2,-1);
 736                 return t1 - t2;
 737
 738
 739                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 740         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 741
 742                 gtk_tree_model_get (tree_model, iter1,
 743                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 744                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 745                                     -1);
 746                 gtk_tree_model_get (tree_model, iter2,
 747                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 748                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 749                                     -1);
 750
 751                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 752                 cmp = cmp_insensitive_str (s1 + get_prefix_len(s1), s2 + get_prefix_len(s2));
 753
 754                 g_free (s1);
 755                 g_free (s2);
 756
 757                 return cmp ? cmp : t1 - t2;
 758         }
 759
 760         case MODEST_HEADER_VIEW_COLUMN_FROM:
 761
 762                 gtk_tree_model_get (tree_model, iter1,
 763                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 764                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 765                                     -1);
 766                 gtk_tree_model_get (tree_model, iter2,
 767                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 768                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 769                                     -1);
 770                 cmp = cmp_insensitive_str (s1, s2);
 771                 g_free (s1);
 772                 g_free (s2);
 773
 774                 return cmp ? cmp : t1 - t2;
 775
 776         case MODEST_HEADER_VIEW_COLUMN_TO:
 777
 778                 gtk_tree_model_get (tree_model, iter1,
 779                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 780                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 781                                     -1);
 782                 gtk_tree_model_get (tree_model, iter2,
 783                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 784                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 785                                     -1);
 786                 cmp = cmp_insensitive_str (s1, s2);
 787                 g_free (s1);
 788                 g_free (s2);
 789
 790                 return cmp ? cmp : t1 - t2;
 791
 792         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 793
 794                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 795                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 796                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 797                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 798
 799                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 800                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 801
 802                 return cmp ? cmp : t1 - t2;
 803
 804         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 805                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 806                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 807                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 808                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 809                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 810
 811                 return cmp ? cmp : t1 - t2;
 812
 813         default:
 814                 return &iter1 - &iter2; /* oughhhh  */
 815         }
 816 }
 817
 818
 819 static void
 820 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 821                    gpointer user_data)
 822 {
 823         GtkTreeModel *sortable;
 824         ModestHeaderView *self;
 825         ModestHeaderViewPrivate *priv;
 826
 827         if (cancelled)
 828                 return;
 829
 830         self = MODEST_HEADER_VIEW(user_data);
 831         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 832
 833         if (!folder)  /* when there is no folder */
 834                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 835         else { /* it's a new one or a refresh */
 836                 GSList *col;
 837
 838                 if (priv->headers)
 839                         g_object_unref (priv->headers);
 840
 841                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 842                 tny_folder_get_headers (folder, priv->headers, FALSE, NULL); /* FIXME */
 843
 844                 tny_gtk_header_list_model_set_folder
 845                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 846
 847                 sortable = gtk_tree_model_sort_new_with_model
 848                         (GTK_TREE_MODEL(priv->headers));
 849
 850                 /* install our special sorting functions */
 851                 col = priv->columns;
 852                 while (col) {
 853                         gint col_id = GPOINTER_TO_INT (col->data);
 854                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 855                                                          col_id,
 856                                                          (GtkTreeIterCompareFunc)cmp_rows,
 857                                                          GINT_TO_POINTER(col_id), NULL);
 858                         col = col->next;
 859                 }
 860
 861                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 862                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 863                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 864                 /* no need to unref sortable */
 865         }
 866 }
 867
 868
 869 static void
 870 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 871                                  gint status_id,  gpointer user_data)
 872 {
 873         ModestHeaderView *self;
 874         ModestHeaderViewPrivate *priv;
 875
 876         self = MODEST_HEADER_VIEW(user_data);
 877         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 878
 879         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 880                        0, msg, status_id);
 881 }
 882
 883
 884
 885 gboolean
 886 modest_header_view_set_folder (ModestHeaderView *self,
 887                                TnyFolder *folder)
 888 {
 889         ModestHeaderViewPrivate *priv;
 890         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 891
 892         if (!folder)  {/* when there is no folder */
 893                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 894                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 895         } else { /* it's a new one or a refresh */
 896                 tny_folder_refresh_async (folder,
 897                                           on_refresh_folder,
 898                                           on_refresh_folder_status_update,
 899                                           self);
 900         }
 901
 902         /* no message selected */
 903         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 904                        NULL);
 905
 906         //g_mutex_unlock (priv->lock);
 907
 908         return TRUE;
 909 }
 910
 911
 912
 913 static void
 914 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 915 {
 916         GtkTreeModel            *model;
 917         TnyHeader       *header;
 918         TnyHeaderFlags header_flags;
 919         GtkTreeIter             iter;
 920         ModestHeaderView        *self;
 921         ModestHeaderViewPrivate *priv;
 922         const TnyMsg *msg = NULL;
 923         const TnyFolder *folder;
 924
 925         g_return_if_fail (sel);
 926         g_return_if_fail (user_data);
 927
 928         self = MODEST_HEADER_VIEW (user_data);
 929         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 930
 931         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 932                 return; /* msg was _un_selected */
 933
 934         gtk_tree_model_get (model, &iter,
 935                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 936                             &header, -1);
 937
 938         if (!header) {
 939                 g_printerr ("modest: cannot find header\n");
 940                 return;
 941         }
 942
 943         folder = tny_header_get_folder (TNY_HEADER(header));
 944         if (!folder) {
 945                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 946                                MODEST_ITEM_TYPE_FOLDER);
 947                 return;
 948         }
 949
 950         msg = tny_folder_get_msg (TNY_FOLDER(folder),
 951                                   header, NULL); /* FIXME */
 952         if (!msg) {
 953                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 954                                MODEST_ITEM_TYPE_MESSAGE);
 955                 return;
 956         }
 957
 958         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 959                        msg);
 960
 961         /* mark message as seen; _set_flags crashes, bug in tinymail? */
 962         header_flags = tny_header_get_flags (TNY_HEADER(header));
 963         tny_header_set_flags (header, header_flags | TNY_HEADER_FLAG_SEEN);
 964
 965         /* Free */
 966 /*      g_free (folder); */
 967 }
 968