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            *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 /* globals */
  70 static GObjectClass *parent_class = NULL;
  71
  72 /* uncomment the following if you have defined any signals */
  73 static guint signals[LAST_SIGNAL] = {0};
  74
  75 GType
  76 modest_header_view_get_type (void)
  77 {
  78         static GType my_type = 0;
  79         if (!my_type) {
  80                 static const GTypeInfo my_info = {
  81                         sizeof(ModestHeaderViewClass),
  82                         NULL,           /* base init */
  83                         NULL,           /* base finalize */
  84                         (GClassInitFunc) modest_header_view_class_init,
  85                         NULL,           /* class finalize */
  86                         NULL,           /* class data */
  87                         sizeof(ModestHeaderView),
  88                         1,              /* n_preallocs */
  89                         (GInstanceInitFunc) modest_header_view_init,
  90                         NULL
  91                 };
  92                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  93                                                   "ModestHeaderView",
  94                                                   &my_info, 0);
  95         }
  96         return my_type;
  97 }
  98
  99 static void
 100 modest_header_view_class_init (ModestHeaderViewClass *klass)
 101 {
 102         GObjectClass *gobject_class;
 103         gobject_class = (GObjectClass*) klass;
 104
 105         parent_class            = g_type_class_peek_parent (klass);
 106         gobject_class->finalize = modest_header_view_finalize;
 107
 108         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 109
 110         signals[MESSAGE_SELECTED_SIGNAL] =
 111                 g_signal_new ("message_selected",
 112                               G_TYPE_FROM_CLASS (gobject_class),
 113                               G_SIGNAL_RUN_FIRST,
 114                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 115                               NULL, NULL,
 116                               g_cclosure_marshal_VOID__POINTER,
 117                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 118
 119         signals[ITEM_NOT_FOUND_SIGNAL] =
 120                 g_signal_new ("item_not_found",
 121                               G_TYPE_FROM_CLASS (gobject_class),
 122                               G_SIGNAL_RUN_FIRST,
 123                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 124                               NULL, NULL,
 125                               g_cclosure_marshal_VOID__INT,
 126                               G_TYPE_NONE, 1, G_TYPE_INT);
 127
 128         signals[STATUS_UPDATE_SIGNAL] =
 129                 g_signal_new ("status_update",
 130                               G_TYPE_FROM_CLASS (gobject_class),
 131                               G_SIGNAL_RUN_FIRST,
 132                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 133                               NULL, NULL,
 134                               modest_marshal_VOID__STRING_INT_INT,
 135                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 136 }
 137
 138 static void
 139 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 140                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 141 {
 142         TnyHeaderFlags flags;
 143         GdkPixbuf *pixbuf = NULL;
 144
 145         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 146                             &flags, -1);
 147
 148         if (flags & TNY_HEADER_FLAG_DELETED)
 149                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_DELETED);
 150         else if (flags & TNY_HEADER_FLAG_SEEN)
 151                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_READ);
 152         else
 153                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_UNREAD);
 154
 155         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 156 }
 157
 158 static void
 159 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 160                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 161 {
 162         TnyHeaderFlags flags;
 163         GdkPixbuf *pixbuf = NULL;
 164
 165         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 166                             &flags, -1);
 167
 168         if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
 169                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
 170
 171         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 172 }
 173
 174
 175 static void
 176 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 177                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 178 {
 179         TnyHeaderFlags flags;
 180
 181         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 182                             &flags, -1);
 183
 184         g_object_set (G_OBJECT(renderer),
 185                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 186                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 187                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 188                       NULL);
 189 }
 190
 191
 192 static void
 193 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 194                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 195 {
 196         TnyHeaderFlags flags;
 197         gchar *address;
 198         gint sender_receiver_col;
 199
 200         if (is_sender)
 201                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
 202         else
 203                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
 204
 205         gtk_tree_model_get (tree_model, iter,
 206                             sender_receiver_col,  &address,
 207                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 208                             -1);
 209
 210         g_object_set (G_OBJECT(renderer),
 211                       "text",
 212                       modest_text_utils_display_address (address),
 213                       "weight",
 214                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 215                       "style",
 216                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 217                       NULL);
 218
 219         g_free (address);
 220 }
 221
 222
 223
 224
 225 /* not reentrant/thread-safe */
 226 const gchar*
 227 display_date (time_t date)
 228 {
 229         struct tm date_tm, now_tm;
 230         time_t now;
 231
 232         const gint buf_size = 64;
 233         static gchar date_buf[64]; /* buf_size is not ... */
 234         static gchar now_buf[64];  /* ...const enough... */
 235
 236         now = time (NULL);
 237
 238         localtime_r(&now, &now_tm);
 239         localtime_r(&date, &date_tm);
 240
 241         /* get today's date */
 242         modest_text_utils_strftime (date_buf, buf_size, "%x", &date_tm);
 243         modest_text_utils_strftime (now_buf,  buf_size, "%x",  &now_tm);
 244         /* today */
 245
 246         /* if this is today, get the time instead of the date */
 247         if (strcmp (date_buf, now_buf) == 0)
 248                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 249
 250         return date_buf;
 251 }
 252
 253
 254 static void
 255 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 256                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 257 {
 258         GObject *rendobj;
 259         TnyHeaderFlags flags;
 260         gchar *from, *subject;
 261         gchar *header;
 262         time_t date;
 263
 264         gtk_tree_model_get (tree_model, iter,
 265                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 266                             TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 267                             TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 268                             TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 269                             -1);
 270         rendobj = G_OBJECT(renderer);
 271
 272         header = g_strdup_printf ("%s %s\n%s",
 273                                   modest_text_utils_display_address (from),
 274                                   display_date(date),
 275                                   subject);
 276
 277         g_object_set (G_OBJECT(renderer),
 278                       "text",  header,
 279                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 280                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 281                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 282                       NULL);
 283         g_free (header);
 284         g_free (from);
 285         g_free (subject);
 286 }
 287
 288
 289 static GtkTreeViewColumn*
 290 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 291                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 292                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 293 {
 294         GtkTreeViewColumn *column;
 295
 296         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 297         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 298
 299         gtk_tree_view_column_set_resizable (column, resizable);
 300         if (resizable)
 301                 gtk_tree_view_column_set_min_width (column, 100);
 302
 303         if (show_as_text)
 304                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 305                                                     sort_col_id);
 306         if (sort_col_id >= 0)
 307                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 308
 309         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 310         gtk_tree_view_column_set_reorderable (column, TRUE);
 311
 312         if (cell_data_func)
 313                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 314                                                         user_data, NULL);
 315         return column;
 316 }
 317
 318
 319
 320
 321 static void
 322 remove_all_columns (ModestHeaderView *obj)
 323 {
 324         GList *columns, *cursor;
 325
 326         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 327
 328         for (cursor = columns; cursor; cursor = cursor->next)
 329                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 330                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 331         g_list_free (columns);
 332 }
 333
 334
 335
 336 gboolean
 337 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 338 {
 339         GtkTreeViewColumn *column=NULL;
 340         GtkCellRenderer *renderer_msgtype,
 341                 *renderer_header,
 342                 *renderer_attach;
 343
 344         ModestHeaderViewPrivate *priv;
 345         const GList *cursor;
 346
 347         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 348
 349         /* FIXME: check whether these renderers need to be freed */
 350         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 351         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 352         renderer_header  = gtk_cell_renderer_text_new ();
 353
 354         remove_all_columns (self);
 355
 356         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 357                 ModestHeaderViewColumn col =
 358                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 359
 360                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 361                         g_printerr ("modest: invalid column %d in column list\n", col);
 362                         continue;
 363                 }
 364
 365                 switch (col) {
 366
 367                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 368                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 369                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 370                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 371                                                  NULL);
 372                         gtk_tree_view_column_set_fixed_width (column, 32);
 373                         break;
 374
 375                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 376                         column = get_new_column (_("A"), renderer_attach, FALSE,
 377                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 378                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 379                                                  NULL);
 380                         gtk_tree_view_column_set_fixed_width (column, 32);
 381                         break;
 382
 383                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 384                         column = get_new_column (_("Received"), renderer_header, TRUE,
 385                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 386                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 387                                                  NULL);
 388                         break;
 389
 390                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 391                         column = get_new_column (_("From"), renderer_header, TRUE,
 392                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 393                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 394                                                  GINT_TO_POINTER(TRUE));
 395                         break;
 396
 397                 case MODEST_HEADER_VIEW_COLUMN_TO:
 398                         column = get_new_column (_("To"), renderer_header, TRUE,
 399                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 400                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 401                                                  GINT_TO_POINTER(FALSE));
 402                         break;
 403
 404                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 405                         column = get_new_column (_("Header"), renderer_header, TRUE,
 406                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 407                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 408                                                  NULL);
 409                         break;
 410
 411                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 412                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 413                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 414                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 415                                                  NULL);
 416                         break;
 417
 418
 419                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 420                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 421                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 422                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 423                                                  NULL);
 424                         break;
 425
 426                 default:
 427                         g_assert_not_reached ();
 428                 }
 429
 430                 /* we keep the column id around */
 431                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 432                                    GINT_TO_POINTER(col));
 433
 434                 /* we need this ptr when sorting the rows */
 435                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 436                                    self);
 437
 438                 gtk_tree_view_column_set_visible   (column, TRUE);
 439                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 440         }
 441         return TRUE;
 442 }
 443
 444
 445
 446 static void
 447 modest_header_view_init (ModestHeaderView *obj)
 448 {
 449         ModestHeaderViewPrivate *priv;
 450         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 451
 452         priv->lock = g_mutex_new ();
 453         priv->sig1 = 0;
 454 }
 455
 456 static void
 457 modest_header_view_finalize (GObject *obj)
 458 {
 459         ModestHeaderView        *self;
 460         ModestHeaderViewPrivate *priv;
 461         GtkTreeSelection        *sel;
 462
 463         self = MODEST_HEADER_VIEW(obj);
 464         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 465
 466         if (priv->headers)
 467                 g_object_unref (G_OBJECT(priv->headers));
 468
 469         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 470
 471         if (sel && priv->sig1 != 0) {
 472                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 473                 priv->sig1 = 0;
 474         }
 475
 476         if (priv->lock) {
 477                 g_mutex_free (priv->lock);
 478                 priv->lock = NULL;
 479         }
 480
 481         priv->headers  = NULL;
 482         priv->folder   = NULL;
 483
 484         G_OBJECT_CLASS(parent_class)->finalize (obj);
 485 }
 486
 487 GtkWidget*
 488 modest_header_view_new (TnyFolder *folder, const GList *columns,
 489                         ModestHeaderViewStyle style)
 490 {
 491         GObject *obj;
 492         GtkTreeSelection *sel;
 493         ModestHeaderView *self;
 494         ModestHeaderViewPrivate *priv;
 495
 496         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 497         self = MODEST_HEADER_VIEW(obj);
 498         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 499
 500         if (!modest_header_view_set_folder (self, NULL)) {
 501                 g_warning ("could not set the folder");
 502                 g_object_unref (obj);
 503                 return NULL;
 504         }
 505
 506         modest_header_view_set_style   (self, style);
 507         modest_header_view_set_columns (self, columns);
 508
 509         /* all cols */
 510         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 511         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 512         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 513
 514         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 515                                       TRUE); /* alternating row colors */
 516
 517         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 518
 519         priv->sig1 = g_signal_connect (sel, "changed",
 520                                        G_CALLBACK(on_selection_changed), self);
 521         return GTK_WIDGET(self);
 522 }
 523
 524
 525 TnyList *
 526 modest_header_view_get_selected_headers (ModestHeaderView *self)
 527 {
 528         GtkTreeSelection *sel;
 529         ModestHeaderViewPrivate *priv;
 530         TnyList *header_list = NULL;
 531         TnyHeader *header;
 532         GList *list, *tmp = NULL;
 533         GtkTreeModel *tree_model = NULL;
 534         GtkTreeIter iter;
 535
 536         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 537
 538         /* Get selected rows */
 539         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 540         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 541
 542         if (list) {
 543                 header_list = tny_simple_list_new();
 544
 545                 list = g_list_reverse (list);
 546                 tmp = list;
 547                 while (tmp) {
 548                         /* get header from selection */
 549                         gtk_tree_model_get_iter (tree_model,
 550                                                  &iter,
 551                                                  (GtkTreePath *) (tmp->data));
 552
 553                         gtk_tree_model_get (tree_model, &iter,
 554                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 555                                             &header, -1);
 556
 557                         /* Prepend to list */
 558                         tny_list_prepend (header_list, G_OBJECT (header));
 559                         tmp = g_list_next (tmp);
 560                 }
 561                 /* Clean up*/
 562                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 563                 g_list_free (list);
 564         }
 565         return header_list;
 566 }
 567
 568
 569 GList*
 570 modest_header_view_get_columns (ModestHeaderView *self)
 571 {
 572         g_return_val_if_fail (self, FALSE);
 573         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 574 }
 575
 576
 577
 578
 579 gboolean
 580 modest_header_view_set_style (ModestHeaderView *self,
 581                               ModestHeaderViewStyle style)
 582 {
 583         g_return_val_if_fail (self, FALSE);
 584         g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
 585
 586         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 587
 588         return TRUE;
 589 }
 590
 591 ModestHeaderViewStyle
 592 modest_header_view_get_style (ModestHeaderView *self)
 593 {
 594         g_return_val_if_fail (self, FALSE);
 595
 596         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 597 }
 598
 599
 600
 601 /* get the length of any prefix that should be ignored for sorting */
 602 static inline int
 603 get_prefix_len (const gchar *sub)
 604 {
 605         gint i;
 606         static const gchar* prefix[] = {
 607                 "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
 608         };
 609
 610         if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
 611                 return 0;
 612
 613         i = 0;
 614
 615         while (prefix[i]) {
 616                 if (g_str_has_prefix(sub, prefix[i])) {
 617                         int prefix_len = strlen(prefix[i]);
 618                         if (sub[prefix_len] == ' ')
 619                                 ++prefix_len; /* ignore space after prefix as well */
 620                         return prefix_len;
 621                 }
 622                 ++i;
 623         }
 624         return 0;
 625 }
 626
 627
 628
 629 /* a strcmp that is case insensitive and NULL-safe */
 630 static gint
 631 cmp_insensitive_str (const gchar* s1, const gchar *s2)
 632 {
 633         gint result = 0;
 634         gchar *n1, *n2;
 635
 636         /* work even when s1 and/or s2 == NULL */
 637         if (s1 == s2)
 638                 return 0;
 639         if (!s1)
 640                 return -1;
 641         if (!s2)
 642                 return 1;
 643
 644         n1 = g_utf8_collate_key (s1, -1);
 645         n2 = g_utf8_collate_key (s2, -1);
 646
 647         result = strcmp (n1, n2);
 648
 649         g_free (n1);
 650         g_free (n2);
 651
 652         return result;
 653 }
 654
 655
 656 static gint
 657 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 658           gpointer user_data)
 659 {
 660         gint col_id;
 661         gint t1, t2;
 662         gint val1, val2;
 663         gchar *s1, *s2;
 664         gint cmp;
 665
 666         static int counter = 0;
 667         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 668
 669         if (!(++counter % 100)) {
 670                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 671                                                          MODEST_HEADER_VIEW_PTR);
 672                 g_signal_emit (header_view,
 673                                signals[STATUS_UPDATE_SIGNAL],
 674                                0, _("Sorting..."), 0, 0);
 675         }
 676
 677         switch (col_id) {
 678
 679                 /* first one, we decide based on the time */
 680         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 681         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 682                 gtk_tree_model_get (tree_model, iter1,
 683                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 684                                     &t1,-1);
 685                 gtk_tree_model_get (tree_model, iter2,
 686                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 687                                     &t2,-1);
 688                 return t1 - t2;
 689
 690         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 691                 gtk_tree_model_get (tree_model, iter1,
 692                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 693                                     &t1,-1);
 694                 gtk_tree_model_get (tree_model, iter2,
 695                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 696                                     &t2,-1);
 697                 return t1 - t2;
 698
 699
 700                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 701         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 702
 703                 gtk_tree_model_get (tree_model, iter1,
 704                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 705                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 706                                     -1);
 707                 gtk_tree_model_get (tree_model, iter2,
 708                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 709                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 710                                     -1);
 711
 712                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 713                 cmp = cmp_insensitive_str (s1 + get_prefix_len(s1), s2 + get_prefix_len(s2));
 714
 715                 g_free (s1);
 716                 g_free (s2);
 717
 718                 return cmp ? cmp : t1 - t2;
 719         }
 720
 721         case MODEST_HEADER_VIEW_COLUMN_FROM:
 722
 723                 gtk_tree_model_get (tree_model, iter1,
 724                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 725                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 726                                     -1);
 727                 gtk_tree_model_get (tree_model, iter2,
 728                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 729                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 730                                     -1);
 731                 cmp = cmp_insensitive_str (s1, s2);
 732                 g_free (s1);
 733                 g_free (s2);
 734
 735                 return cmp ? cmp : t1 - t2;
 736
 737         case MODEST_HEADER_VIEW_COLUMN_TO:
 738
 739                 gtk_tree_model_get (tree_model, iter1,
 740                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 741                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 742                                     -1);
 743                 gtk_tree_model_get (tree_model, iter2,
 744                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 745                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 746                                     -1);
 747                 cmp = cmp_insensitive_str (s1, s2);
 748                 g_free (s1);
 749                 g_free (s2);
 750
 751                 return cmp ? cmp : t1 - t2;
 752
 753         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 754
 755                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 756                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 757                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 758                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 759
 760                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 761                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 762
 763                 return cmp ? cmp : t1 - t2;
 764
 765         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 766                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 767                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 768                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 769                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 770                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 771
 772                 return cmp ? cmp : t1 - t2;
 773
 774         default:
 775                 return &iter1 - &iter2; /* oughhhh  */
 776         }
 777 }
 778
 779
 780 static void
 781 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 782                    gpointer user_data)
 783 {
 784         GtkTreeModel *sortable;
 785         ModestHeaderView *self;
 786         ModestHeaderViewPrivate *priv;
 787
 788         if (cancelled)
 789                 return;
 790
 791         self = MODEST_HEADER_VIEW(user_data);
 792         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 793
 794
 795         g_assert (folder == priv->folder);
 796
 797         if (!folder)  /* when there is no folder */
 798                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 799         else { /* it's a new one or a refresh */
 800                 GList *cols, *cursor;
 801
 802                 if (priv->headers)
 803                         g_object_unref (priv->headers);
 804
 805                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 806                 tny_folder_get_headers (folder, priv->headers, FALSE, NULL); /* FIXME */
 807
 808                 tny_gtk_header_list_model_set_folder
 809                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 810
 811                 sortable = gtk_tree_model_sort_new_with_model
 812                         (GTK_TREE_MODEL(priv->headers));
 813
 814                 /* install our special sorting functions */
 815                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 816                 while (cursor) {
 817                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 818                                                                          MODEST_HEADER_VIEW_COLUMN));
 819                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 820                                                          col_id,
 821                                                          (GtkTreeIterCompareFunc)cmp_rows,
 822                                                          cursor->data, NULL);
 823                         cursor = g_list_next(cursor);
 824                 }
 825                 g_list_free (cols);
 826
 827                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 828                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 829                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 830                 /* no need to unref sortable */
 831         }
 832 }
 833
 834
 835 static void
 836 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 837                                  gint num, gint total,  gpointer user_data)
 838 {
 839         ModestHeaderView *self;
 840         ModestHeaderViewPrivate *priv;
 841
 842         self = MODEST_HEADER_VIEW(user_data);
 843         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 844
 845         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 846                        0, msg, num, total);
 847 }
 848
 849
 850 TnyFolder*
 851 modest_header_view_get_folder (ModestHeaderView *self)
 852 {
 853         ModestHeaderViewPrivate *priv;
 854         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 855
 856         return priv->folder;
 857 }
 858
 859
 860 gboolean
 861 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 862 {
 863         ModestHeaderViewPrivate *priv;
 864         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 865
 866         priv->folder = folder;
 867
 868         if (!folder)  {/* when there is no folder */
 869                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 870                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 871         } else { /* it's a new one or a refresh */
 872                 tny_folder_refresh_async (folder,
 873                                           on_refresh_folder,
 874                                           on_refresh_folder_status_update,
 875                                           self);
 876         }
 877
 878         /* no message selected */
 879         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 880                        NULL);
 881         return TRUE;
 882 }
 883
 884
 885
 886
 887 static void
 888 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 889 {
 890         GtkTreeModel            *model;
 891         TnyHeader       *header;
 892         TnyHeaderFlags header_flags;
 893         GtkTreeIter             iter;
 894         ModestHeaderView        *self;
 895         ModestHeaderViewPrivate *priv;
 896         const TnyMsg *msg = NULL;
 897         const TnyFolder *folder;
 898
 899         g_return_if_fail (sel);
 900         g_return_if_fail (user_data);
 901
 902         self = MODEST_HEADER_VIEW (user_data);
 903         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 904
 905         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 906                 return; /* msg was _un_selected */
 907
 908         gtk_tree_model_get (model, &iter,
 909                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 910                             &header, -1);
 911
 912         if (!header) {
 913                 g_printerr ("modest: cannot find header\n");
 914                 return;
 915         }
 916
 917         folder = tny_header_get_folder (TNY_HEADER(header));
 918         if (!folder) {
 919                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 920                                MODEST_ITEM_TYPE_FOLDER);
 921                 return;
 922         }
 923
 924         msg = tny_folder_get_msg (TNY_FOLDER(folder),
 925                                   header, NULL); /* FIXME */
 926         if (!msg) {
 927                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 928                                MODEST_ITEM_TYPE_MESSAGE);
 929                 return;
 930         }
 931
 932         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 933                        msg);
 934
 935         /* mark message as seen; _set_flags crashes, bug in tinymail? */
 936         header_flags = tny_header_get_flags (TNY_HEADER(header));
 937         tny_header_set_flags (header, header_flags | TNY_HEADER_FLAG_SEEN);
 938
 939         /* Free */
 940 /*      g_free (folder); */
 941 }