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
  31 /* modest-tny-header-tree-view.c */
  32
  33 #include <glib/gi18n.h>
  34 #include "modest-header-view.h"
  35 #include <tny-list-iface.h>
  36 #include <string.h>
  37 #include <modest-marshal.h>
  38
  39 #include <modest-icon-names.h>
  40 #include "modest-icon-factory.h"
  41
  42 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  43 static void modest_header_view_init        (ModestHeaderView *obj);
  44 static void modest_header_view_finalize    (GObject *obj);
  45
  46 static void     on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  47 //static void     on_column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data);
  48 static gboolean refresh_folder_finish_status_update (gpointer user_data);
  49
  50 enum {
  51         MESSAGE_SELECTED_SIGNAL,
  52         STATUS_UPDATE_SIGNAL,
  53         LAST_SIGNAL
  54 };
  55
  56 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  57 struct _ModestHeaderViewPrivate {
  58
  59         TnyMsgFolderIface *tny_msg_folder;
  60         TnyListIface      *headers;
  61
  62         gint              status_id;
  63         GSList            *columns;
  64
  65         GMutex            *lock;
  66
  67         ModestHeaderViewStyle style;
  68 };
  69 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  70                                                 MODEST_TYPE_HEADER_VIEW, \
  71                                                 ModestHeaderViewPrivate))
  72 /* globals */
  73 static GObjectClass *parent_class = NULL;
  74
  75 /* uncomment the following if you have defined any signals */
  76 static guint signals[LAST_SIGNAL] = {0};
  77
  78 GType
  79 modest_header_view_get_type (void)
  80 {
  81         static GType my_type = 0;
  82         if (!my_type) {
  83                 static const GTypeInfo my_info = {
  84                         sizeof(ModestHeaderViewClass),
  85                         NULL,           /* base init */
  86                         NULL,           /* base finalize */
  87                         (GClassInitFunc) modest_header_view_class_init,
  88                         NULL,           /* class finalize */
  89                         NULL,           /* class data */
  90                         sizeof(ModestHeaderView),
  91                         1,              /* n_preallocs */
  92                         (GInstanceInitFunc) modest_header_view_init,
  93                 };
  94                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  95                                                   "ModestHeaderView",
  96                                                   &my_info, 0);
  97         }
  98         return my_type;
  99 }
 100
 101 static void
 102 modest_header_view_class_init (ModestHeaderViewClass *klass)
 103 {
 104         GObjectClass *gobject_class;
 105         gobject_class = (GObjectClass*) klass;
 106
 107         parent_class            = g_type_class_peek_parent (klass);
 108         gobject_class->finalize = modest_header_view_finalize;
 109
 110         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 111
 112         signals[MESSAGE_SELECTED_SIGNAL] =
 113                 g_signal_new ("message_selected",
 114                               G_TYPE_FROM_CLASS (gobject_class),
 115                               G_SIGNAL_RUN_FIRST,
 116                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 117                               NULL, NULL,
 118                               g_cclosure_marshal_VOID__POINTER,
 119                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 120
 121         signals[STATUS_UPDATE_SIGNAL] =
 122                 g_signal_new ("status_update",
 123                               G_TYPE_FROM_CLASS (gobject_class),
 124                               G_SIGNAL_RUN_FIRST,
 125                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 126                               NULL, NULL,
 127                               modest_marshal_VOID__STRING_INT,
 128                               G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
 129 }
 130
 131
 132
 133
 134
 135 static void
 136 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 137                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 138 {
 139         TnyMsgHeaderFlags flags;
 140         GdkPixbuf *pixbuf = NULL;
 141
 142         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 143                             &flags, -1);
 144
 145         if (flags & TNY_MSG_HEADER_FLAG_DELETED)
 146                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_DELETED);
 147         else if (flags & TNY_MSG_HEADER_FLAG_SEEN)
 148                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_READ);
 149         else
 150                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_UNREAD);
 151
 152         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 153 }
 154
 155 static void
 156 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 157                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 158 {
 159         TnyMsgHeaderFlags flags;
 160         GdkPixbuf *pixbuf = NULL;
 161
 162         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 163                             &flags, -1);
 164
 165         if (flags & TNY_MSG_HEADER_FLAG_ATTACHMENTS)
 166                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_ATTACH);
 167
 168         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 169 }
 170
 171
 172 static void
 173 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 174                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 175 {
 176         TnyMsgHeaderFlags flags;
 177
 178         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 179                             &flags, -1);
 180
 181         g_object_set (G_OBJECT(renderer),
 182                       "weight", (flags & TNY_MSG_HEADER_FLAG_SEEN) ? 400: 800,
 183                       "style",  (flags & TNY_MSG_HEADER_FLAG_DELETED) ?
 184                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 185                       NULL);
 186 }
 187
 188
 189
 190 /* try to make a shorter display address; changes it arg in-place */
 191 static gchar*
 192 display_address (gchar *address)
 193 {
 194         gchar *cursor;
 195
 196         if (!address)
 197                 return NULL;
 198
 199         /* simplistic --> remove <email@address> from display name */
 200         cursor = g_strstr_len (address, strlen(address), "<");
 201         if (cursor)
 202                 cursor[0]='\0';
 203
 204         /* simplistic --> remove (bla bla) from display name */
 205         cursor = g_strstr_len (address, strlen(address), "(");
 206         if (cursor)
 207                 cursor[0]='\0';
 208
 209         /* FIXME */
 210         if (!g_utf8_validate (address, -1, NULL))
 211                 g_warning ("not valid: '%s'", address);
 212
 213         return address;
 214 }
 215
 216
 217
 218 static void
 219 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 220                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 221 {
 222         TnyMsgHeaderFlags flags;
 223         gchar *address;
 224         gint sender_receiver_col;
 225
 226         if (is_sender)
 227                 sender_receiver_col = TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN;
 228         else
 229                 sender_receiver_col = TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN;
 230
 231         gtk_tree_model_get (tree_model, iter,
 232                             sender_receiver_col,  &address,
 233                             TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 234                             -1);
 235
 236         g_object_set (G_OBJECT(renderer),
 237                       "text",
 238                       display_address (address),
 239                       "weight",
 240                       (flags & TNY_MSG_HEADER_FLAG_SEEN) ? 400 : 800,
 241                       "style",
 242                       (flags & TNY_MSG_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 243                       NULL);
 244
 245         g_free (address);
 246 }
 247
 248
 249
 250 /* just to prevent warnings:
 251  * warning: `%x' yields only last 2 digits of year in some locales
 252  */
 253 static size_t
 254 my_strftime(char *s, size_t max, const char  *fmt,  const
 255             struct tm *tm) {
 256         return strftime(s, max, fmt, tm);
 257 }
 258
 259
 260
 261 /* not reentrant/thread-safe */
 262 const gchar*
 263 display_date (time_t date)
 264 {
 265         struct tm date_tm, now_tm;
 266         time_t now;
 267
 268         const gint buf_size = 64;
 269         static gchar date_buf[64]; /* buf_size is not ... */
 270         static gchar now_buf[64];  /* ...const enough... */
 271
 272         now = time (NULL);
 273
 274         localtime_r(&now, &now_tm);
 275         localtime_r(&date, &date_tm);
 276
 277         /* get today's date */
 278         my_strftime (date_buf, buf_size, "%x", &date_tm);
 279         my_strftime (now_buf,  buf_size, "%x",  &now_tm);  /* today */
 280
 281         /* if this is today, get the time instead of the date */
 282         if (strcmp (date_buf, now_buf) == 0)
 283                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 284
 285         return date_buf;
 286 }
 287
 288
 289 static void
 290 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 291                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 292 {
 293         GObject *rendobj;
 294         TnyMsgHeaderFlags flags;
 295         gchar *from, *subject;
 296         gchar *header;
 297         time_t date;
 298
 299         gtk_tree_model_get (tree_model, iter,
 300                             TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 301                             TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 302                             TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 303                             TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 304                             -1);
 305         rendobj = G_OBJECT(renderer);
 306
 307         header = g_strdup_printf ("%s %s\n%s",
 308                                   display_address (from),
 309                                   display_date(date),
 310                                   subject);
 311
 312         g_object_set (G_OBJECT(renderer),
 313                       "text",  header,
 314                       "weight", (flags & TNY_MSG_HEADER_FLAG_SEEN) ? 400: 800,
 315                       "style",  (flags & TNY_MSG_HEADER_FLAG_DELETED) ?
 316                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 317                       NULL);
 318         g_free (header);
 319         g_free (from);
 320         g_free (subject);
 321 }
 322
 323
 324 static GtkTreeViewColumn*
 325 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 326                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 327                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 328 {
 329         GtkTreeViewColumn *column;
 330
 331         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 332         gtk_tree_view_column_set_resizable (column, resizable);
 333         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 334
 335         if (show_as_text)
 336                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 337                                                     sort_col_id);
 338         if (sort_col_id >= 0)
 339                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 340
 341         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 342         gtk_tree_view_column_set_reorderable (column, TRUE);
 343
 344         if (cell_data_func)
 345                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 346                                                         user_data, NULL);
 347
 348 /*      g_signal_connect (G_OBJECT (column), "clicked", */
 349 /*                        G_CALLBACK (column_clicked), obj);  */
 350
 351         return column;
 352 }
 353
 354
 355
 356
 357 static void
 358 remove_all_columns (ModestHeaderView *obj)
 359 {
 360         GList *columns, *cursor;
 361
 362         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 363
 364         for (cursor = columns; cursor; cursor = cursor->next)
 365                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 366                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 367         g_list_free (columns);
 368 }
 369
 370
 371
 372
 373 static void
 374 init_columns (ModestHeaderView *obj)
 375 {
 376         GtkTreeViewColumn *column=NULL;
 377         GtkCellRenderer *renderer_msgtype,
 378                 *renderer_header,
 379                 *renderer_attach;
 380
 381         ModestHeaderViewPrivate *priv;
 382         GSList *cursor;
 383
 384         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 385
 386         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 387         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 388         renderer_header = gtk_cell_renderer_text_new ();
 389
 390         remove_all_columns (obj);
 391
 392         for (cursor = priv->columns; cursor; cursor = cursor->next) {
 393                 ModestHeaderViewColumn col =
 394                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 395
 396                 switch (col) {
 397
 398                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 399
 400                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 401                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 402                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 403                                                  NULL);
 404                         break;
 405
 406                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 407
 408                         column = get_new_column (_("A"), renderer_attach, FALSE,
 409                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 410                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 411                                                  NULL);
 412                         break;
 413
 414                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 415                         column = get_new_column (_("Received"), renderer_header, TRUE,
 416                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 417                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 418                                                  NULL);
 419                         break;
 420
 421                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 422                         column = get_new_column (_("From"), renderer_header, TRUE,
 423                                                  TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 424                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 425                                                  GINT_TO_POINTER(TRUE));
 426                         break;
 427
 428                 case MODEST_HEADER_VIEW_COLUMN_TO:
 429                         column = get_new_column (_("To"), renderer_header, TRUE,
 430                                                  TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN,
 431                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 432                                                  GINT_TO_POINTER(FALSE));
 433                         break;
 434
 435                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 436                         column = get_new_column (_("Header"), renderer_header, TRUE,
 437                                                  TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 438                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 439                                                  NULL);
 440                         break;
 441
 442                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 443                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 444                                                  TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 445                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 446                                                  NULL);
 447                         break;
 448
 449
 450                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 451                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 452                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 453                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 454                                                  NULL);
 455                         break;
 456
 457                 default:
 458                         g_assert_not_reached ();
 459                 }
 460                 gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 461         }
 462 }
 463
 464
 465
 466 static void
 467 modest_header_view_init (ModestHeaderView *obj)
 468 {
 469         ModestHeaderViewPrivate *priv;
 470         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 471
 472         priv->status_id = 0;
 473         priv->lock = g_mutex_new ();
 474 }
 475
 476 static void
 477 modest_header_view_finalize (GObject *obj)
 478 {
 479         ModestHeaderView        *self;
 480         ModestHeaderViewPrivate *priv;
 481
 482         self = MODEST_HEADER_VIEW(obj);
 483         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 484
 485         if (priv->headers)
 486                 g_object_unref (G_OBJECT(priv->headers));
 487
 488
 489         if (priv->lock) {
 490                 g_mutex_free (priv->lock);
 491                 priv->lock = NULL;
 492         }
 493
 494         priv->headers = NULL;
 495         priv->tny_msg_folder    = NULL;
 496
 497         G_OBJECT_CLASS(parent_class)->finalize (obj);
 498 }
 499
 500 GtkWidget*
 501 modest_header_view_new (TnyMsgFolderIface *folder,
 502                         GSList *columns,
 503                         ModestHeaderViewStyle style)
 504 {
 505         GObject *obj;
 506         GtkTreeSelection *sel;
 507         ModestHeaderView *self;
 508
 509         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 510         self = MODEST_HEADER_VIEW(obj);
 511
 512         if (!modest_header_view_set_folder (self, NULL)) {
 513                 g_warning ("could not set the folder");
 514                 g_object_unref (obj);
 515                 return NULL;
 516         }
 517
 518         modest_header_view_set_style   (self, style);
 519         modest_header_view_set_columns (self, columns);
 520
 521         /* all cols */
 522         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 523         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 524         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 525
 526         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 527                                       TRUE); /* alternating row colors */
 528
 529         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 530
 531         g_signal_connect (sel, "changed",
 532                           G_CALLBACK(on_selection_changed), self);
 533
 534
 535         return GTK_WIDGET(self);
 536 }
 537
 538 gboolean
 539 modest_header_view_set_columns (ModestHeaderView *self, GSList *columns)
 540 {
 541         ModestHeaderViewPrivate *priv;
 542         GSList *cursor;
 543
 544         g_return_val_if_fail (self, FALSE);
 545
 546         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 547
 548         g_slist_free (priv->columns);
 549
 550         for (cursor = columns; cursor; cursor = cursor->next) {
 551                 ModestHeaderViewColumn col =
 552                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 553                 if (0 > col || col >= MODEST_HEADER_VIEW_COLUMN_NUM)
 554                         g_printerr ("modest: invalid column %d in column list\n", col);
 555                 else
 556                         priv->columns = g_slist_append (priv->columns, cursor->data);
 557
 558                 g_warning ("col: %d", col);
 559         }
 560
 561         init_columns (self); /* redraw them */
 562         return TRUE;
 563 }
 564
 565
 566
 567 const GSList*
 568 modest_header_view_get_columns (ModestHeaderView *self)
 569 {
 570         ModestHeaderViewPrivate *priv;
 571
 572         g_return_val_if_fail (self, FALSE);
 573
 574         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 575         return priv->columns;
 576 }
 577
 578
 579
 580
 581 gboolean
 582 modest_header_view_set_style (ModestHeaderView *self,
 583                                        ModestHeaderViewStyle style)
 584 {
 585         g_return_val_if_fail (self, FALSE);
 586         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 587                               FALSE);
 588
 589         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 590
 591         return TRUE;
 592 }
 593
 594 ModestHeaderViewStyle
 595 modest_header_view_get_style (ModestHeaderView *self)
 596 {
 597         g_return_val_if_fail (self, FALSE);
 598
 599         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 600 }
 601
 602
 603
 604 /* get the length of any prefix that should be ignored for sorting */
 605 static inline int
 606 get_prefix_len (const gchar *sub)
 607 {
 608         gint i = 0;
 609         const static gchar* prefix[] = {"Re:", "RE:", "Fwd:", "FWD:", "FW:", "AW:", NULL};
 610
 611         if (sub[0] != 'R' && sub[0] != 'F') /* optimization */
 612                 return 0;
 613
 614         while (prefix[i]) {
 615                 if (g_str_has_prefix(sub, prefix[i])) {
 616                         int prefix_len = strlen(prefix[i]);
 617                         if (sub[prefix_len] == ' ')
 618                                 ++prefix_len; /* ignore space after prefix as well */
 619                         return prefix_len;
 620                 }
 621                 ++i;
 622         }
 623         return 0;
 624 }
 625
 626
 627 static inline gint
 628 cmp_normalized_subject (const gchar* s1, const gchar *s2)
 629 {
 630         gint result = 0;
 631         register gchar *n1, *n2;
 632
 633         n1 = g_utf8_collate_key (s1 + get_prefix_len(s1), -1);
 634         n2 = g_utf8_collate_key (s2 + get_prefix_len(s2), -1);
 635
 636         result = strcmp (n1, n2);
 637         g_free (n1);
 638         g_free (n2);
 639
 640         return result;
 641 }
 642
 643
 644 static gint
 645 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 646           gpointer user_data)
 647 {
 648         gint col_id = GPOINTER_TO_INT (user_data);
 649         gint t1, t2;
 650         gint val1, val2;
 651         gchar *s1, *s2;
 652         gint cmp;
 653
 654         g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
 655
 656         switch (col_id) {
 657
 658                 /* first one, we decide based on the time */
 659         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 660         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 661                 gtk_tree_model_get (tree_model, iter1,
 662                                     TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 663                                     &t1,-1);
 664                 gtk_tree_model_get (tree_model, iter2,
 665                                     TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 666                                     &t2,-1);
 667                 return t1 - t2;
 668
 669         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 670                 gtk_tree_model_get (tree_model, iter1,
 671                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 672                                     &t1,-1);
 673                 gtk_tree_model_get (tree_model, iter2,
 674                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 675                                     &t2,-1);
 676                 return t1 - t2;
 677
 678
 679                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 680         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 681
 682                 gtk_tree_model_get (tree_model, iter1,
 683                                     TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 684                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 685                                     -1);
 686                 gtk_tree_model_get (tree_model, iter2,
 687                                     TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 688                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 689                                     -1);
 690
 691                 cmp = cmp_normalized_subject(s1, s2);
 692
 693                 g_free (s1);
 694                 g_free (s2);
 695
 696                 return cmp ? cmp : t1 - t2;
 697         }
 698
 699         case MODEST_HEADER_VIEW_COLUMN_FROM:
 700
 701                 gtk_tree_model_get (tree_model, iter1,
 702                                     TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 703                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 704                                     -1);
 705                 gtk_tree_model_get (tree_model, iter2,
 706                                     TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 707                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 708                                     -1);
 709                 cmp = strcmp (s1, s2);
 710                 g_free (s1);
 711                 g_free (s2);
 712
 713                 return cmp ? cmp : t1 - t2;
 714
 715         case MODEST_HEADER_VIEW_COLUMN_TO:
 716
 717                 gtk_tree_model_get (tree_model, iter1,
 718                                     TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 719                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 720                                     -1);
 721                 gtk_tree_model_get (tree_model, iter2,
 722                                     TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 723                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 724                                     -1);
 725                 cmp = strcmp (s1, s2);
 726                 g_free (s1);
 727                 g_free (s2);
 728
 729                 return cmp ? cmp : t1 - t2;
 730
 731         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 732
 733                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 734                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 735                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 736                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 737
 738                 cmp = (val1 & TNY_MSG_HEADER_FLAG_ATTACHMENTS) -
 739                         (val2 & TNY_MSG_HEADER_FLAG_ATTACHMENTS);
 740
 741                 return cmp ? cmp : t1 - t2;
 742
 743         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 744                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 745                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 746                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 747                                     TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 748                 cmp =  (val1 & TNY_MSG_HEADER_FLAG_SEEN) - (val2 & TNY_MSG_HEADER_FLAG_SEEN);
 749
 750                 return cmp ? cmp : t1 - t2;
 751
 752         default:
 753                 return &iter1 - &iter2; /* oughhhh  */
 754         }
 755 }
 756
 757
 758 static void
 759 refresh_folder (TnyMsgFolderIface *folder, gboolean cancelled,
 760                 gpointer user_data)
 761 {
 762         GtkTreeModel *oldsortable, *sortable;
 763         ModestHeaderView *self =
 764                 MODEST_HEADER_VIEW(user_data);
 765         ModestHeaderViewPrivate *priv;
 766
 767         g_return_if_fail (self);
 768
 769         if (cancelled)
 770                 return;
 771
 772         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 773
 774         g_mutex_lock (priv->lock);
 775
 776         if (!folder)  /* when there is no folder */
 777                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 778
 779         else { /* it's a new one or a refresh */
 780                 GSList *col;
 781
 782                 priv->headers = TNY_LIST_IFACE(tny_msg_header_list_model_new ());
 783
 784                 tny_msg_folder_iface_get_headers (folder, priv->headers, FALSE);
 785                 tny_msg_header_list_model_set_folder (TNY_MSG_HEADER_LIST_MODEL(priv->headers),
 786                                                       folder, TRUE); /* async */
 787
 788                 oldsortable = gtk_tree_view_get_model(GTK_TREE_VIEW (self));
 789                 if (oldsortable && GTK_IS_TREE_MODEL_SORT(oldsortable)) {
 790                         GtkTreeModel *oldmodel = gtk_tree_model_sort_get_model
 791                                 (GTK_TREE_MODEL_SORT(oldsortable));
 792                         if (oldmodel)
 793                                 g_object_unref (G_OBJECT(oldmodel));
 794                         g_object_unref (oldsortable);
 795                 }
 796
 797                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 798
 799                 /* install our special sorting functions */
 800                 col = priv->columns;
 801                 while (col) {
 802                         gint col_id = GPOINTER_TO_INT (col->data);
 803                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), col_id,
 804                                                          (GtkTreeIterCompareFunc)cmp_rows,
 805                                                          GINT_TO_POINTER(col_id), NULL);
 806                         col = col->next;
 807                 }
 808
 809                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 810                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), TRUE);
 811                 /* no need to unref sortable */
 812         }
 813
 814         g_mutex_unlock (priv->lock);
 815 }
 816
 817
 818 static void
 819 refresh_folder_status_update (TnyMsgFolderIface *folder, const gchar *msg,
 820                               gint status_id, gpointer user_data)
 821 {
 822         ModestHeaderView *self;
 823         ModestHeaderViewPrivate *priv;
 824
 825         self = MODEST_HEADER_VIEW (user_data);
 826         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 827
 828         g_signal_emit (G_OBJECT(self),
 829                                signals[STATUS_UPDATE_SIGNAL], 0,
 830                                msg, status_id);
 831         if (msg)
 832                 g_timeout_add  (750,
 833                                 (GSourceFunc)refresh_folder_finish_status_update,
 834                                 self);
 835
 836         priv->status_id = status_id;
 837 }
 838
 839
 840 static gboolean
 841 refresh_folder_finish_status_update (gpointer user_data)
 842 {
 843         ModestHeaderView *self;
 844         ModestHeaderViewPrivate *priv;
 845
 846         self = MODEST_HEADER_VIEW (user_data);
 847         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 848
 849         if (priv->status_id == 0)
 850                 return FALSE;
 851
 852         refresh_folder_status_update (NULL, NULL, priv->status_id,
 853                                       user_data);
 854         priv->status_id = 0;
 855
 856         return FALSE;
 857 }
 858
 859
 860 gboolean
 861 modest_header_view_set_folder (ModestHeaderView *self,
 862                                         TnyMsgFolderIface *folder)
 863 {
 864         ModestHeaderViewPrivate *priv;
 865         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), FALSE);
 866
 867         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 868
 869         g_mutex_lock (priv->lock);
 870
 871         if (!folder)  {/* when there is no folder */
 872                 GtkTreeModel *model;
 873                 model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 874                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 875                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 876                 if (model)
 877                         g_object_unref (model);
 878         } else { /* it's a new one or a refresh */
 879                 tny_msg_folder_iface_refresh_async (folder,
 880                                                     refresh_folder,
 881                                                     refresh_folder_status_update,
 882                                                     self);
 883         }
 884
 885         /* no message selected */
 886         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 887                        NULL);
 888
 889         g_mutex_unlock (priv->lock);
 890
 891         return TRUE;
 892 }
 893
 894
 895
 896 static void
 897 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 898 {
 899         GtkTreeModel                   *model;
 900         TnyMsgHeaderIface              *header;
 901         GtkTreeIter                    iter;
 902         ModestHeaderView        *self;
 903         ModestHeaderViewPrivate *priv;
 904
 905         g_return_if_fail (sel);
 906         g_return_if_fail (user_data);
 907
 908         self = MODEST_HEADER_VIEW (user_data);
 909         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 910
 911
 912         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 913                 return; /* msg was _un_selected */
 914
 915         gtk_tree_model_get (model, &iter,
 916                             TNY_MSG_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 917                             &header, -1);
 918
 919         if (header) {
 920                 const TnyMsgIface *msg = NULL;
 921                 const TnyMsgFolderIface *folder;
 922
 923                 folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
 924                 if (!folder)
 925                         g_printerr ("modest: cannot find folder\n");
 926                 else {
 927                         msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder),
 928                                                                 header);
 929                         if (!msg) {
 930                                 g_printerr ("modest: cannot find msg\n");
 931                                 gtk_tree_store_remove (GTK_TREE_STORE(model),
 932                                                        &iter);
 933                         }
 934                 }
 935
 936                 g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 937                                msg);
 938
 939                 /* mark message as seen; _set_flags crashes, bug in tinymail? */
 940                 //flags = tny_msg_header_iface_get_flags (TNY_MSG_HEADER_IFACE(header));
 941                 //tny_msg_header_iface_set_flags (header, TNY_MSG_HEADER_FLAG_SEEN);
 942         }
 943 }
 944
 945
 946 /* static void */
 947 /* on_column_clicked (GtkTreeViewColumn *col, gpointer user_data) */
 948 /* { */
 949 /*      GtkTreeView *treeview; */
 950 /*      gint id; */
 951
 952 /*      treeview = GTK_TREE_VIEW (user_data); */
 953 /*      id = gtk_tree_view_column_get_sort_column_id (col); */
 954
 955 /*      gtk_tree_view_set_search_column (treeview, id); */
 956 /* } */