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 "modest-header-view.h"
  32 #include <tny-list-iface.h>
  33 #include <string.h>
  34 #include <modest-marshal.h>
  35
  36 #include <modest-icon-names.h>
  37 #include "modest-icon-factory.h"
  38
  39 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  40 static void modest_header_view_init        (ModestHeaderView *obj);
  41 static void modest_header_view_finalize    (GObject *obj);
  42
  43 static void     on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
  44
  45 enum {
  46         MESSAGE_SELECTED_SIGNAL,
  47         ITEM_NOT_FOUND_SIGNAL,
  48         STATUS_UPDATE_SIGNAL,
  49         LAST_SIGNAL
  50 };
  51
  52
  53 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  54 struct _ModestHeaderViewPrivate {
  55
  56         TnyFolderIface *tny_folder;
  57         TnyListIface      *headers;
  58         GSList            *columns;
  59         GMutex            *lock;
  60         ModestHeaderViewStyle style;
  61
  62         gulong            sig1;
  63
  64 };
  65 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  66                                                 MODEST_TYPE_HEADER_VIEW, \
  67                                                 ModestHeaderViewPrivate))
  68 /* globals */
  69 static GObjectClass *parent_class = NULL;
  70
  71 /* uncomment the following if you have defined any signals */
  72 static guint signals[LAST_SIGNAL] = {0};
  73
  74 GType
  75 modest_header_view_get_type (void)
  76 {
  77         static GType my_type = 0;
  78         if (!my_type) {
  79                 static const GTypeInfo my_info = {
  80                         sizeof(ModestHeaderViewClass),
  81                         NULL,           /* base init */
  82                         NULL,           /* base finalize */
  83                         (GClassInitFunc) modest_header_view_class_init,
  84                         NULL,           /* class finalize */
  85                         NULL,           /* class data */
  86                         sizeof(ModestHeaderView),
  87                         1,              /* n_preallocs */
  88                         (GInstanceInitFunc) modest_header_view_init,
  89                         NULL
  90                 };
  91                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  92                                                   "ModestHeaderView",
  93                                                   &my_info, 0);
  94         }
  95         return my_type;
  96 }
  97
  98 static void
  99 modest_header_view_class_init (ModestHeaderViewClass *klass)
 100 {
 101         GObjectClass *gobject_class;
 102         gobject_class = (GObjectClass*) klass;
 103
 104         parent_class            = g_type_class_peek_parent (klass);
 105         gobject_class->finalize = modest_header_view_finalize;
 106
 107         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 108
 109         signals[MESSAGE_SELECTED_SIGNAL] =
 110                 g_signal_new ("message_selected",
 111                               G_TYPE_FROM_CLASS (gobject_class),
 112                               G_SIGNAL_RUN_FIRST,
 113                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 114                               NULL, NULL,
 115                               g_cclosure_marshal_VOID__POINTER,
 116                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 117
 118         signals[ITEM_NOT_FOUND_SIGNAL] =
 119                 g_signal_new ("item_not_found",
 120                               G_TYPE_FROM_CLASS (gobject_class),
 121                               G_SIGNAL_RUN_FIRST,
 122                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_not_found),
 123                               NULL, NULL,
 124                               g_cclosure_marshal_VOID__INT,
 125                               G_TYPE_NONE, 1, G_TYPE_INT);
 126
 127         signals[STATUS_UPDATE_SIGNAL] =
 128                 g_signal_new ("status_update",
 129                               G_TYPE_FROM_CLASS (gobject_class),
 130                               G_SIGNAL_RUN_FIRST,
 131                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 132                               NULL, NULL,
 133                               modest_marshal_VOID__STRING_INT,
 134                               G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
 135 }
 136
 137 static void
 138 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 139                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 140 {
 141         TnyHeaderFlags flags;
 142         GdkPixbuf *pixbuf = NULL;
 143
 144         gtk_tree_model_get (tree_model, iter, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN,
 145                             &flags, -1);
 146
 147         if (flags & TNY_HEADER_FLAG_DELETED)
 148                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_DELETED);
 149         else if (flags & TNY_HEADER_FLAG_SEEN)
 150                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_READ);
 151         else
 152                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_UNREAD);
 153
 154         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 155 }
 156
 157 static void
 158 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 159                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 160 {
 161         TnyHeaderFlags flags;
 162         GdkPixbuf *pixbuf = NULL;
 163
 164         gtk_tree_model_get (tree_model, iter, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN,
 165                             &flags, -1);
 166
 167         if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
 168                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
 169
 170         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 171 }
 172
 173
 174 static void
 175 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 176                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 177 {
 178         TnyHeaderFlags flags;
 179
 180         gtk_tree_model_get (tree_model, iter, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN,
 181                             &flags, -1);
 182
 183         g_object_set (G_OBJECT(renderer),
 184                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 185                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 186                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 187                       NULL);
 188 }
 189
 190
 191
 192 /* try to make a shorter display address; changes it arg in-place */
 193 static gchar*
 194 display_address (gchar *address)
 195 {
 196         gchar *cursor;
 197
 198         if (!address)
 199                 return NULL;
 200
 201         /* simplistic --> remove <email@address> from display name */
 202         cursor = g_strstr_len (address, strlen(address), "<");
 203         if (cursor)
 204                 cursor[0]='\0';
 205
 206         /* simplistic --> remove (bla bla) from display name */
 207         cursor = g_strstr_len (address, strlen(address), "(");
 208         if (cursor)
 209                 cursor[0]='\0';
 210
 211         /* FIXME */
 212         if (!g_utf8_validate (address, -1, NULL))
 213                 g_printerr ("modest: invalid: '%s'", address);
 214
 215         return address;
 216 }
 217
 218
 219
 220 static void
 221 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 222                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 223 {
 224         TnyHeaderFlags flags;
 225         gchar *address;
 226         gint sender_receiver_col;
 227
 228         if (is_sender)
 229                 sender_receiver_col = TNY_HEADER_LIST_MODEL_FROM_COLUMN;
 230         else
 231                 sender_receiver_col = TNY_HEADER_LIST_MODEL_TO_COLUMN;
 232
 233         gtk_tree_model_get (tree_model, iter,
 234                             sender_receiver_col,  &address,
 235                             TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 236                             -1);
 237
 238         g_object_set (G_OBJECT(renderer),
 239                       "text",
 240                       display_address (address),
 241                       "weight",
 242                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 243                       "style",
 244                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 245                       NULL);
 246
 247         g_free (address);
 248 }
 249
 250
 251
 252 /* just to prevent warnings:
 253  * warning: `%x' yields only last 2 digits of year in some locales
 254  */
 255 static size_t
 256 my_strftime(char *s, size_t max, const char  *fmt,  const
 257             struct tm *tm) {
 258         return strftime(s, max, fmt, tm);
 259 }
 260
 261
 262
 263 /* not reentrant/thread-safe */
 264 const gchar*
 265 display_date (time_t date)
 266 {
 267         struct tm date_tm, now_tm;
 268         time_t now;
 269
 270         const gint buf_size = 64;
 271         static gchar date_buf[64]; /* buf_size is not ... */
 272         static gchar now_buf[64];  /* ...const enough... */
 273
 274         now = time (NULL);
 275
 276         localtime_r(&now, &now_tm);
 277         localtime_r(&date, &date_tm);
 278
 279         /* get today's date */
 280         my_strftime (date_buf, buf_size, "%x", &date_tm);
 281         my_strftime (now_buf,  buf_size, "%x",  &now_tm);  /* today */
 282
 283         /* if this is today, get the time instead of the date */
 284         if (strcmp (date_buf, now_buf) == 0)
 285                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 286
 287         return date_buf;
 288 }
 289
 290
 291 static void
 292 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 293                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 294 {
 295         GObject *rendobj;
 296         TnyHeaderFlags flags;
 297         gchar *from, *subject;
 298         gchar *header;
 299         time_t date;
 300
 301         gtk_tree_model_get (tree_model, iter,
 302                             TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 303                             TNY_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 304                             TNY_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 305                             TNY_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 306                             -1);
 307         rendobj = G_OBJECT(renderer);
 308
 309         header = g_strdup_printf ("%s %s\n%s",
 310                                   display_address (from),
 311                                   display_date(date),
 312                                   subject);
 313
 314         g_object_set (G_OBJECT(renderer),
 315                       "text",  header,
 316                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 317                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 318                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 319                       NULL);
 320         g_free (header);
 321         g_free (from);
 322         g_free (subject);
 323 }
 324
 325
 326 static GtkTreeViewColumn*
 327 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 328                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 329                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 330 {
 331         GtkTreeViewColumn *column;
 332
 333         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 334         gtk_tree_view_column_set_resizable (column, resizable);
 335         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 336
 337         if (show_as_text)
 338                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 339                                                     sort_col_id);
 340         if (sort_col_id >= 0)
 341                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 342
 343         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 344         gtk_tree_view_column_set_reorderable (column, TRUE);
 345
 346         if (cell_data_func)
 347                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 348                                                         user_data, NULL);
 349
 350         return column;
 351 }
 352
 353
 354
 355
 356 static void
 357 remove_all_columns (ModestHeaderView *obj)
 358 {
 359         GList *columns, *cursor;
 360
 361         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 362
 363         for (cursor = columns; cursor; cursor = cursor->next)
 364                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 365                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 366         g_list_free (columns);
 367 }
 368
 369
 370
 371
 372 static void
 373 init_columns (ModestHeaderView *obj)
 374 {
 375         GtkTreeViewColumn *column=NULL;
 376         GtkCellRenderer *renderer_msgtype,
 377                 *renderer_header,
 378                 *renderer_attach;
 379
 380         ModestHeaderViewPrivate *priv;
 381         GSList *cursor;
 382
 383         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 384
 385         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 386         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 387         renderer_header = gtk_cell_renderer_text_new ();
 388
 389         remove_all_columns (obj);
 390
 391         for (cursor = priv->columns; cursor; cursor = cursor->next) {
 392                 ModestHeaderViewColumn col =
 393                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 394
 395                 switch (col) {
 396
 397                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 398
 399                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 400                                                  TNY_HEADER_LIST_MODEL_FLAGS_COLUMN,
 401                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 402                                                  NULL);
 403                         break;
 404
 405                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 406
 407                         column = get_new_column (_("A"), renderer_attach, FALSE,
 408                                                  TNY_HEADER_LIST_MODEL_FLAGS_COLUMN,
 409                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 410                                                  NULL);
 411                         break;
 412
 413                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 414                         column = get_new_column (_("Received"), renderer_header, TRUE,
 415                                                  TNY_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_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_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_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_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_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                 gtk_tree_view_column_set_visible (column, TRUE);
 461                 gtk_tree_view_column_set_min_width (column, 36);
 462                 gtk_tree_view_column_set_resizable (column, TRUE);
 463
 464                 gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 465         }
 466 }
 467
 468
 469
 470 static void
 471 modest_header_view_init (ModestHeaderView *obj)
 472 {
 473         ModestHeaderViewPrivate *priv;
 474         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 475
 476         priv->lock = g_mutex_new ();
 477         priv->sig1 = 0;
 478 }
 479
 480 static void
 481 modest_header_view_finalize (GObject *obj)
 482 {
 483         ModestHeaderView        *self;
 484         ModestHeaderViewPrivate *priv;
 485         GtkTreeSelection        *sel;
 486
 487         self = MODEST_HEADER_VIEW(obj);
 488         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 489
 490         if (priv->headers)
 491                 g_object_unref (G_OBJECT(priv->headers));
 492
 493         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 494
 495         if (sel && priv->sig1 != 0) {
 496                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 497                 priv->sig1 = 0;
 498         }
 499
 500         if (priv->lock) {
 501                 g_mutex_free (priv->lock);
 502                 priv->lock = NULL;
 503         }
 504
 505         priv->headers       = NULL;
 506         priv->tny_folder    = NULL;
 507
 508         G_OBJECT_CLASS(parent_class)->finalize (obj);
 509 }
 510
 511 GtkWidget*
 512 modest_header_view_new (TnyFolderIface *folder,
 513                         GSList *columns,
 514                         ModestHeaderViewStyle style)
 515 {
 516         GObject *obj;
 517         GtkTreeSelection *sel;
 518         ModestHeaderView *self;
 519         ModestHeaderViewPrivate *priv;
 520
 521         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 522         self = MODEST_HEADER_VIEW(obj);
 523         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 524
 525         if (!modest_header_view_set_folder (self, NULL)) {
 526                 g_warning ("could not set the folder");
 527                 g_object_unref (obj);
 528                 return NULL;
 529         }
 530
 531         modest_header_view_set_style   (self, style);
 532         modest_header_view_set_columns (self, columns);
 533
 534         /* all cols */
 535         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 536         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 537         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 538
 539         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 540                                       TRUE); /* alternating row colors */
 541
 542         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 543
 544         priv->sig1 = g_signal_connect (sel, "changed",
 545                                        G_CALLBACK(on_selection_changed), self);
 546
 547
 548         return GTK_WIDGET(self);
 549 }
 550
 551 gboolean
 552 modest_header_view_set_columns (ModestHeaderView *self, GSList *columns)
 553 {
 554         ModestHeaderViewPrivate *priv;
 555         GSList *cursor;
 556
 557         g_return_val_if_fail (self, FALSE);
 558
 559         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 560
 561         g_slist_free (priv->columns);
 562
 563         for (cursor = columns; cursor; cursor = cursor->next) {
 564                 ModestHeaderViewColumn col =
 565                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 566                 if (0 > col || col >= MODEST_HEADER_VIEW_COLUMN_NUM)
 567                         g_printerr ("modest: invalid column %d in column list\n", col);
 568                 else
 569                         priv->columns = g_slist_append (priv->columns, cursor->data);
 570         }
 571
 572         init_columns (self); /* redraw them */
 573         return TRUE;
 574 }
 575
 576
 577
 578 const GSList*
 579 modest_header_view_get_columns (ModestHeaderView *self)
 580 {
 581         ModestHeaderViewPrivate *priv;
 582
 583         g_return_val_if_fail (self, FALSE);
 584
 585         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 586         return priv->columns;
 587 }
 588
 589
 590
 591
 592 gboolean
 593 modest_header_view_set_style (ModestHeaderView *self,
 594                                        ModestHeaderViewStyle style)
 595 {
 596         g_return_val_if_fail (self, FALSE);
 597         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 598                               FALSE);
 599
 600         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 601
 602         return TRUE;
 603 }
 604
 605 ModestHeaderViewStyle
 606 modest_header_view_get_style (ModestHeaderView *self)
 607 {
 608         g_return_val_if_fail (self, FALSE);
 609
 610         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 611 }
 612
 613
 614
 615 /* get the length of any prefix that should be ignored for sorting */
 616 static inline int
 617 get_prefix_len (const gchar *sub)
 618 {
 619         gint i = 0;
 620         const static gchar* prefix[] = {"Re:", "RE:", "Fwd:", "FWD:", "FW:", "AW:", NULL};
 621
 622         if (sub[0] != 'R' && sub[0] != 'F') /* optimization */
 623                 return 0;
 624
 625         while (prefix[i]) {
 626                 if (g_str_has_prefix(sub, prefix[i])) {
 627                         int prefix_len = strlen(prefix[i]);
 628                         if (sub[prefix_len] == ' ')
 629                                 ++prefix_len; /* ignore space after prefix as well */
 630                         return prefix_len;
 631                 }
 632                 ++i;
 633         }
 634         return 0;
 635 }
 636
 637
 638 static inline gint
 639 cmp_normalized_subject (const gchar* s1, const gchar *s2)
 640 {
 641         gint result = 0;
 642         register gchar *n1, *n2;
 643
 644         n1 = g_utf8_collate_key (s1 + get_prefix_len(s1), -1);
 645         n2 = g_utf8_collate_key (s2 + get_prefix_len(s2), -1);
 646
 647         result = strcmp (n1, n2);
 648         g_free (n1);
 649         g_free (n2);
 650
 651         return result;
 652 }
 653
 654
 655 static gint
 656 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 657           gpointer user_data)
 658 {
 659         gint col_id = GPOINTER_TO_INT (user_data);
 660         gint t1, t2;
 661         gint val1, val2;
 662         gchar *s1, *s2;
 663         gint cmp;
 664
 665         g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
 666
 667         switch (col_id) {
 668
 669                 /* first one, we decide based on the time */
 670         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 671         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 672                 gtk_tree_model_get (tree_model, iter1,
 673                                     TNY_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 674                                     &t1,-1);
 675                 gtk_tree_model_get (tree_model, iter2,
 676                                     TNY_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 677                                     &t2,-1);
 678                 return t1 - t2;
 679
 680         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 681                 gtk_tree_model_get (tree_model, iter1,
 682                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 683                                     &t1,-1);
 684                 gtk_tree_model_get (tree_model, iter2,
 685                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 686                                     &t2,-1);
 687                 return t1 - t2;
 688
 689
 690                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 691         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 692
 693                 gtk_tree_model_get (tree_model, iter1,
 694                                     TNY_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 695                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 696                                     -1);
 697                 gtk_tree_model_get (tree_model, iter2,
 698                                     TNY_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 699                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 700                                     -1);
 701
 702                 cmp = cmp_normalized_subject(s1, s2);
 703
 704                 g_free (s1);
 705                 g_free (s2);
 706
 707                 return cmp ? cmp : t1 - t2;
 708         }
 709
 710         case MODEST_HEADER_VIEW_COLUMN_FROM:
 711
 712                 gtk_tree_model_get (tree_model, iter1,
 713                                     TNY_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 714                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 715                                     -1);
 716                 gtk_tree_model_get (tree_model, iter2,
 717                                     TNY_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 718                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 719                                     -1);
 720                 cmp = strcmp (s1, s2);
 721                 g_free (s1);
 722                 g_free (s2);
 723
 724                 return cmp ? cmp : t1 - t2;
 725
 726         case MODEST_HEADER_VIEW_COLUMN_TO:
 727
 728                 gtk_tree_model_get (tree_model, iter1,
 729                                     TNY_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 730                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 731                                     -1);
 732                 gtk_tree_model_get (tree_model, iter2,
 733                                     TNY_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 734                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 735                                     -1);
 736                 cmp = strcmp (s1, s2);
 737                 g_free (s1);
 738                 g_free (s2);
 739
 740                 return cmp ? cmp : t1 - t2;
 741
 742         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 743
 744                 gtk_tree_model_get (tree_model, iter1, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 745                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 746                 gtk_tree_model_get (tree_model, iter2, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 747                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 748
 749                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 750                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 751
 752                 return cmp ? cmp : t1 - t2;
 753
 754         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 755                 gtk_tree_model_get (tree_model, iter1, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 756                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 757                 gtk_tree_model_get (tree_model, iter2, TNY_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 758                                     TNY_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 759                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 760
 761                 return cmp ? cmp : t1 - t2;
 762
 763         default:
 764                 return &iter1 - &iter2; /* oughhhh  */
 765         }
 766 }
 767
 768
 769 static void
 770 on_refresh_folder (TnyFolderIface *folder, gboolean cancelled, gpointer user_data)
 771 {
 772         GtkTreeModel *oldsortable, *sortable;
 773         ModestHeaderView *self;
 774         ModestHeaderViewPrivate *priv;
 775
 776         if (cancelled)
 777                 return;
 778
 779         self = MODEST_HEADER_VIEW(user_data);
 780         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 781
 782         g_mutex_lock (priv->lock);
 783
 784         if (!folder)  /* when there is no folder */
 785                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 786
 787         else { /* it's a new one or a refresh */
 788                 GSList *col;
 789
 790                 priv->headers = TNY_LIST_IFACE(tny_header_list_model_new ());
 791
 792                 tny_folder_iface_get_headers (folder, priv->headers, FALSE);
 793                 tny_header_list_model_set_folder (TNY_HEADER_LIST_MODEL(priv->headers),
 794                                                       folder, TRUE); /* async */
 795
 796                 oldsortable = gtk_tree_view_get_model(GTK_TREE_VIEW (self));
 797                 if (oldsortable && GTK_IS_TREE_MODEL_SORT(oldsortable)) {
 798                         GtkTreeModel *oldmodel = gtk_tree_model_sort_get_model
 799                                 (GTK_TREE_MODEL_SORT(oldsortable));
 800                         if (oldmodel)
 801                                 g_object_unref (G_OBJECT(oldmodel));
 802                         g_object_unref (oldsortable);
 803                 }
 804
 805                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 806
 807                 /* install our special sorting functions */
 808                 col = priv->columns;
 809                 while (col) {
 810                         gint col_id = GPOINTER_TO_INT (col->data);
 811                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), col_id,
 812                                                          (GtkTreeIterCompareFunc)cmp_rows,
 813                                                          GINT_TO_POINTER(col_id), NULL);
 814                         col = col->next;
 815                 }
 816
 817                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 818                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), TRUE);
 819                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 820                 /* no need to unref sortable */
 821         }
 822         g_mutex_unlock (priv->lock);
 823 }
 824
 825
 826 static void
 827 on_refresh_folder_status_update (TnyFolderIface *folder, const gchar *msg,
 828                                  gint status_id,  gpointer user_data)
 829 {
 830         ModestHeaderView *self;
 831         ModestHeaderViewPrivate *priv;
 832
 833         self = MODEST_HEADER_VIEW(user_data);
 834         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 835
 836         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 837                        0, msg, status_id);
 838 }
 839
 840
 841
 842 gboolean
 843 modest_header_view_set_folder (ModestHeaderView *self,
 844                                TnyFolderIface *folder)
 845 {
 846         ModestHeaderViewPrivate *priv;
 847         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 848
 849         g_mutex_lock (priv->lock);
 850
 851         if (!folder)  {/* when there is no folder */
 852                 GtkTreeModel *model;
 853                 model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 854                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 855                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 856                 if (model)
 857                         g_object_unref (model);
 858         } else { /* it's a new one or a refresh */
 859                 tny_folder_iface_refresh_async (folder,
 860                                                     on_refresh_folder,
 861                                                     on_refresh_folder_status_update,
 862                                                     self);
 863         }
 864
 865         /* no message selected */
 866         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 867                        NULL);
 868
 869         g_mutex_unlock (priv->lock);
 870
 871         return TRUE;
 872 }
 873
 874
 875
 876 static void
 877 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 878 {
 879         GtkTreeModel            *model;
 880         TnyHeaderIface       *header;
 881         GtkTreeIter             iter;
 882         ModestHeaderView        *self;
 883         ModestHeaderViewPrivate *priv;
 884         const TnyMsgIface *msg = NULL;
 885         const TnyFolderIface *folder;
 886
 887         g_return_if_fail (sel);
 888         g_return_if_fail (user_data);
 889
 890         self = MODEST_HEADER_VIEW (user_data);
 891         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 892
 893         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 894                 return; /* msg was _un_selected */
 895
 896         gtk_tree_model_get (model, &iter,
 897                             TNY_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 898                             &header, -1);
 899
 900         if (!header) {
 901                 g_printerr ("modest: cannot find header\n");
 902                 return;
 903         }
 904
 905         folder = tny_header_iface_get_folder (TNY_HEADER_IFACE(header));
 906         if (!folder) {
 907                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 908                                MODEST_ITEM_TYPE_FOLDER);
 909                 return;
 910         }
 911
 912         msg = tny_folder_iface_get_message (TNY_FOLDER_IFACE(folder),
 913                                                 header);
 914         if (!msg) {
 915                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 916                                MODEST_ITEM_TYPE_MESSAGE);
 917                 return;
 918         }
 919
 920         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 921                        msg);
 922
 923         /* mark message as seen; _set_flags crashes, bug in tinymail? */
 924         //flags = tny_header_iface_get_flags (TNY_HEADER_IFACE(header));
 925         //tny_header_iface_set_flags (header, TNY_HEADER_FLAG_SEEN);
 926 }
 927