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         MESSAGE_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            *tny_folder;
  60         TnyList              *headers;
  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_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_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_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 328
 329         gtk_tree_view_column_set_resizable (column, resizable);
 330         if (resizable)
 331                 gtk_tree_view_column_set_min_width (column, 100);
 332
 333         if (show_as_text)
 334                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 335                                                     sort_col_id);
 336         if (sort_col_id >= 0)
 337                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 338
 339         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 340         gtk_tree_view_column_set_reorderable (column, TRUE);
 341
 342         if (cell_data_func)
 343                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 344                                                         user_data, NULL);
 345         return column;
 346 }
 347
 348
 349
 350
 351 static void
 352 remove_all_columns (ModestHeaderView *obj)
 353 {
 354         GList *columns, *cursor;
 355
 356         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 357
 358         for (cursor = columns; cursor; cursor = cursor->next)
 359                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 360                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 361         g_list_free (columns);
 362 }
 363
 364
 365
 366 gboolean
 367 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 368 {
 369         GtkTreeViewColumn *column=NULL;
 370         GtkCellRenderer *renderer_msgtype,
 371                 *renderer_header,
 372                 *renderer_attach;
 373
 374         ModestHeaderViewPrivate *priv;
 375         const GList *cursor;
 376
 377         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 378
 379         /* FIXME: check whether these renderers need to be freed */
 380         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 381         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 382         renderer_header  = gtk_cell_renderer_text_new ();
 383
 384         remove_all_columns (self);
 385
 386         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 387                 ModestHeaderViewColumn col =
 388                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 389
 390                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 391                         g_printerr ("modest: invalid column %d in column list\n", col);
 392                         continue;
 393                 }
 394
 395                 switch (col) {
 396
 397                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 398                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 399                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 400                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 401                                                  NULL);
 402                         gtk_tree_view_column_set_fixed_width (column, 32);
 403                         break;
 404
 405                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 406                         column = get_new_column (_("A"), renderer_attach, FALSE,
 407                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 408                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 409                                                  NULL);
 410                         gtk_tree_view_column_set_fixed_width (column, 32);
 411                         break;
 412
 413                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 414                         column = get_new_column (_("Received"), renderer_header, TRUE,
 415                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 416                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 417                                                  NULL);
 418                         break;
 419
 420                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 421                         column = get_new_column (_("From"), renderer_header, TRUE,
 422                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 423                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 424                                                  GINT_TO_POINTER(TRUE));
 425                         break;
 426
 427                 case MODEST_HEADER_VIEW_COLUMN_TO:
 428                         column = get_new_column (_("To"), renderer_header, TRUE,
 429                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 430                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 431                                                  GINT_TO_POINTER(FALSE));
 432                         break;
 433
 434                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 435                         column = get_new_column (_("Header"), renderer_header, TRUE,
 436                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 437                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 438                                                  NULL);
 439                         break;
 440
 441                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 442                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 443                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 444                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 445                                                  NULL);
 446                         break;
 447
 448
 449                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 450                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 451                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 452                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 453                                                  NULL);
 454                         break;
 455
 456                 default:
 457                         g_assert_not_reached ();
 458                 }
 459
 460                 /* we keep the column id around */
 461                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 462                                    GINT_TO_POINTER(col));
 463
 464                 /* we need this ptr when sorting the rows */
 465                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 466                                    self);
 467
 468                 gtk_tree_view_column_set_visible   (column, TRUE);
 469                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 470         }
 471         return TRUE;
 472 }
 473
 474
 475
 476 static void
 477 modest_header_view_init (ModestHeaderView *obj)
 478 {
 479         ModestHeaderViewPrivate *priv;
 480         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 481
 482         priv->lock = g_mutex_new ();
 483         priv->sig1 = 0;
 484 }
 485
 486 static void
 487 modest_header_view_finalize (GObject *obj)
 488 {
 489         ModestHeaderView        *self;
 490         ModestHeaderViewPrivate *priv;
 491         GtkTreeSelection        *sel;
 492
 493         self = MODEST_HEADER_VIEW(obj);
 494         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 495
 496         if (priv->headers)
 497                 g_object_unref (G_OBJECT(priv->headers));
 498
 499         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 500
 501         if (sel && priv->sig1 != 0) {
 502                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 503                 priv->sig1 = 0;
 504         }
 505
 506         if (priv->lock) {
 507                 g_mutex_free (priv->lock);
 508                 priv->lock = NULL;
 509         }
 510
 511         priv->headers       = NULL;
 512         priv->tny_folder    = NULL;
 513
 514         //G_OBJECT_CLASS(parent_class)->finalize (obj);
 515 }
 516
 517 GtkWidget*
 518 modest_header_view_new (TnyFolder *folder, const GList *columns,
 519                         ModestHeaderViewStyle style)
 520 {
 521         GObject *obj;
 522         GtkTreeSelection *sel;
 523         ModestHeaderView *self;
 524         ModestHeaderViewPrivate *priv;
 525
 526         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 527         self = MODEST_HEADER_VIEW(obj);
 528         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 529
 530         if (!modest_header_view_set_folder (self, NULL)) {
 531                 g_warning ("could not set the folder");
 532                 g_object_unref (obj);
 533                 return NULL;
 534         }
 535
 536         modest_header_view_set_style   (self, style);
 537         modest_header_view_set_columns (self, columns);
 538
 539         /* all cols */
 540         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 541         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 542         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 543
 544         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 545                                       TRUE); /* alternating row colors */
 546
 547         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 548
 549         priv->sig1 = g_signal_connect (sel, "changed",
 550                                        G_CALLBACK(on_selection_changed), self);
 551         return GTK_WIDGET(self);
 552 }
 553
 554
 555 TnyList *
 556 modest_header_view_get_selected_headers (ModestHeaderView *self)
 557 {
 558         GtkTreeSelection *sel;
 559         ModestHeaderViewPrivate *priv;
 560         TnyList *header_list = NULL;
 561         TnyHeader *header;
 562         GList *list, *tmp = NULL;
 563         GtkTreeModel *tree_model = NULL;
 564         GtkTreeIter iter;
 565
 566         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 567
 568         /* Get selected rows */
 569         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 570         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 571
 572         if (list) {
 573                 header_list = tny_simple_list_new();
 574
 575                 list = g_list_reverse (list);
 576                 tmp = list;
 577                 while (tmp) {
 578                         /* get header from selection */
 579                         gtk_tree_model_get_iter (tree_model,
 580                                                  &iter,
 581                                                  (GtkTreePath *) (tmp->data));
 582
 583                         gtk_tree_model_get (tree_model, &iter,
 584                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 585                                             &header, -1);
 586
 587                         /* Prepend to list */
 588                         tny_list_prepend (header_list, G_OBJECT (header));
 589                         tmp = g_list_next (tmp);
 590                 }
 591                 /* Clean up*/
 592                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 593                 g_list_free (list);
 594         }
 595         return header_list;
 596 }
 597
 598
 599 GList*
 600 modest_header_view_get_columns (ModestHeaderView *self)
 601 {
 602         g_return_val_if_fail (self, FALSE);
 603         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 604 }
 605
 606
 607
 608
 609 gboolean
 610 modest_header_view_set_style (ModestHeaderView *self,
 611                               ModestHeaderViewStyle style)
 612 {
 613         g_return_val_if_fail (self, FALSE);
 614         g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
 615
 616         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 617
 618         return TRUE;
 619 }
 620
 621 ModestHeaderViewStyle
 622 modest_header_view_get_style (ModestHeaderView *self)
 623 {
 624         g_return_val_if_fail (self, FALSE);
 625
 626         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 627 }
 628
 629
 630
 631 /* get the length of any prefix that should be ignored for sorting */
 632 static inline int
 633 get_prefix_len (const gchar *sub)
 634 {
 635         gint i;
 636         static const gchar* prefix[] = {
 637                 "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
 638         };
 639
 640         if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
 641                 return 0;
 642
 643         i = 0;
 644
 645         while (prefix[i]) {
 646                 if (g_str_has_prefix(sub, prefix[i])) {
 647                         int prefix_len = strlen(prefix[i]);
 648                         if (sub[prefix_len] == ' ')
 649                                 ++prefix_len; /* ignore space after prefix as well */
 650                         return prefix_len;
 651                 }
 652                 ++i;
 653         }
 654         return 0;
 655 }
 656
 657
 658
 659 /* a strcmp that is case insensitive and NULL-safe */
 660 static gint
 661 cmp_insensitive_str (const gchar* s1, const gchar *s2)
 662 {
 663         gint result = 0;
 664         gchar *n1, *n2;
 665
 666         /* work even when s1 and/or s2 == NULL */
 667         if (s1 == s2)
 668                 return 0;
 669         if (!s1)
 670                 return -1;
 671         if (!s2)
 672                 return 1;
 673
 674         n1 = g_utf8_collate_key (s1, -1);
 675         n2 = g_utf8_collate_key (s2, -1);
 676
 677         result = strcmp (n1, n2);
 678
 679         g_free (n1);
 680         g_free (n2);
 681
 682         return result;
 683 }
 684
 685
 686 static gint
 687 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 688           gpointer user_data)
 689 {
 690         gint col_id;
 691         gint t1, t2;
 692         gint val1, val2;
 693         gchar *s1, *s2;
 694         gint cmp;
 695
 696         static int counter = 0;
 697         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 698
 699         if (!(++counter % 100)) {
 700                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 701                                                          MODEST_HEADER_VIEW_PTR);
 702                 g_signal_emit (header_view,
 703                                signals[STATUS_UPDATE_SIGNAL],
 704                                0, _("Sorting..."), 0, 0);
 705         }
 706
 707         switch (col_id) {
 708
 709                 /* first one, we decide based on the time */
 710         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 711         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 712                 gtk_tree_model_get (tree_model, iter1,
 713                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 714                                     &t1,-1);
 715                 gtk_tree_model_get (tree_model, iter2,
 716                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 717                                     &t2,-1);
 718                 return t1 - t2;
 719
 720         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 721                 gtk_tree_model_get (tree_model, iter1,
 722                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 723                                     &t1,-1);
 724                 gtk_tree_model_get (tree_model, iter2,
 725                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 726                                     &t2,-1);
 727                 return t1 - t2;
 728
 729
 730                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 731         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 732
 733                 gtk_tree_model_get (tree_model, iter1,
 734                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 735                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 736                                     -1);
 737                 gtk_tree_model_get (tree_model, iter2,
 738                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 739                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 740                                     -1);
 741
 742                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 743                 cmp = cmp_insensitive_str (s1 + get_prefix_len(s1), s2 + get_prefix_len(s2));
 744
 745                 g_free (s1);
 746                 g_free (s2);
 747
 748                 return cmp ? cmp : t1 - t2;
 749         }
 750
 751         case MODEST_HEADER_VIEW_COLUMN_FROM:
 752
 753                 gtk_tree_model_get (tree_model, iter1,
 754                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 755                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 756                                     -1);
 757                 gtk_tree_model_get (tree_model, iter2,
 758                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 759                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 760                                     -1);
 761                 cmp = cmp_insensitive_str (s1, s2);
 762                 g_free (s1);
 763                 g_free (s2);
 764
 765                 return cmp ? cmp : t1 - t2;
 766
 767         case MODEST_HEADER_VIEW_COLUMN_TO:
 768
 769                 gtk_tree_model_get (tree_model, iter1,
 770                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 771                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 772                                     -1);
 773                 gtk_tree_model_get (tree_model, iter2,
 774                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 775                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 776                                     -1);
 777                 cmp = cmp_insensitive_str (s1, s2);
 778                 g_free (s1);
 779                 g_free (s2);
 780
 781                 return cmp ? cmp : t1 - t2;
 782
 783         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 784
 785                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 786                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 787                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 788                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 789
 790                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 791                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 792
 793                 return cmp ? cmp : t1 - t2;
 794
 795         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 796                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 797                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 798                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 799                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 800                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 801
 802                 return cmp ? cmp : t1 - t2;
 803
 804         default:
 805                 return &iter1 - &iter2; /* oughhhh  */
 806         }
 807 }
 808
 809
 810 static void
 811 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 812                    gpointer user_data)
 813 {
 814         GtkTreeModel *sortable;
 815         ModestHeaderView *self;
 816         ModestHeaderViewPrivate *priv;
 817
 818         if (cancelled)
 819                 return;
 820
 821         self = MODEST_HEADER_VIEW(user_data);
 822         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 823
 824         if (!folder)  /* when there is no folder */
 825                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 826         else { /* it's a new one or a refresh */
 827                 GList *cols, *cursor;
 828
 829                 if (priv->headers)
 830                         g_object_unref (priv->headers);
 831
 832                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 833                 tny_folder_get_headers (folder, priv->headers, FALSE, NULL); /* FIXME */
 834
 835                 tny_gtk_header_list_model_set_folder
 836                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 837
 838                 sortable = gtk_tree_model_sort_new_with_model
 839                         (GTK_TREE_MODEL(priv->headers));
 840
 841                 /* install our special sorting functions */
 842                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 843                 while (cursor) {
 844                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 845                                                                          MODEST_HEADER_VIEW_COLUMN));
 846                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 847                                                          col_id,
 848                                                          (GtkTreeIterCompareFunc)cmp_rows,
 849                                                          cursor->data, NULL);
 850                         cursor = g_list_next(cursor);
 851                 }
 852                 g_list_free (cols);
 853
 854                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 855                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 856                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 857                 /* no need to unref sortable */
 858         }
 859 }
 860
 861
 862 static void
 863 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 864                                  gint num, gint total,  gpointer user_data)
 865 {
 866         ModestHeaderView *self;
 867         ModestHeaderViewPrivate *priv;
 868
 869         self = MODEST_HEADER_VIEW(user_data);
 870         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 871
 872         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 873                        0, msg, num, total);
 874 }
 875
 876
 877
 878 gboolean
 879 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 880 {
 881         ModestHeaderViewPrivate *priv;
 882         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 883
 884         if (!folder)  {/* when there is no folder */
 885                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 886                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 887         } else { /* it's a new one or a refresh */
 888                 tny_folder_refresh_async (folder,
 889                                           on_refresh_folder,
 890                                           on_refresh_folder_status_update,
 891                                           self);
 892         }
 893
 894         /* no message selected */
 895         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 896                        NULL);
 897
 898         //g_mutex_unlock (priv->lock);
 899
 900         return TRUE;
 901 }
 902
 903
 904
 905 static void
 906 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 907 {
 908         GtkTreeModel            *model;
 909         TnyHeader       *header;
 910         TnyHeaderFlags header_flags;
 911         GtkTreeIter             iter;
 912         ModestHeaderView        *self;
 913         ModestHeaderViewPrivate *priv;
 914         const TnyMsg *msg = NULL;
 915         const TnyFolder *folder;
 916
 917         g_return_if_fail (sel);
 918         g_return_if_fail (user_data);
 919
 920         self = MODEST_HEADER_VIEW (user_data);
 921         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 922
 923         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 924                 return; /* msg was _un_selected */
 925
 926         gtk_tree_model_get (model, &iter,
 927                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 928                             &header, -1);
 929
 930         if (!header) {
 931                 g_printerr ("modest: cannot find header\n");
 932                 return;
 933         }
 934
 935         folder = tny_header_get_folder (TNY_HEADER(header));
 936         if (!folder) {
 937                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 938                                MODEST_ITEM_TYPE_FOLDER);
 939                 return;
 940         }
 941
 942         msg = tny_folder_get_msg (TNY_FOLDER(folder),
 943                                   header, NULL); /* FIXME */
 944         if (!msg) {
 945                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 946                                MODEST_ITEM_TYPE_MESSAGE);
 947                 return;
 948         }
 949
 950         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 951                        msg);
 952
 953         /* mark message as seen; _set_flags crashes, bug in tinymail? */
 954         header_flags = tny_header_get_flags (TNY_HEADER(header));
 955         tny_header_set_flags (header, header_flags | TNY_HEADER_FLAG_SEEN);
 956
 957         /* Free */
 958 /*      g_free (folder); */
 959 }
 960