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
  70 typedef struct _GetMsgAsyncHelper {
  71         ModestHeaderView *self;
  72         TnyHeader *header;
  73 } GetMsgAsyncHelper;
  74
  75 /* globals */
  76 static GObjectClass *parent_class = NULL;
  77
  78 /* uncomment the following if you have defined any signals */
  79 static guint signals[LAST_SIGNAL] = {0};
  80
  81 GType
  82 modest_header_view_get_type (void)
  83 {
  84         static GType my_type = 0;
  85         if (!my_type) {
  86                 static const GTypeInfo my_info = {
  87                         sizeof(ModestHeaderViewClass),
  88                         NULL,           /* base init */
  89                         NULL,           /* base finalize */
  90                         (GClassInitFunc) modest_header_view_class_init,
  91                         NULL,           /* class finalize */
  92                         NULL,           /* class data */
  93                         sizeof(ModestHeaderView),
  94                         1,              /* n_preallocs */
  95                         (GInstanceInitFunc) modest_header_view_init,
  96                         NULL
  97                 };
  98                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  99                                                   "ModestHeaderView",
 100                                                   &my_info, 0);
 101         }
 102         return my_type;
 103 }
 104
 105 static void
 106 modest_header_view_class_init (ModestHeaderViewClass *klass)
 107 {
 108         GObjectClass *gobject_class;
 109         gobject_class = (GObjectClass*) klass;
 110
 111         parent_class            = g_type_class_peek_parent (klass);
 112         gobject_class->finalize = modest_header_view_finalize;
 113
 114         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 115
 116         signals[MESSAGE_SELECTED_SIGNAL] =
 117                 g_signal_new ("message_selected",
 118                               G_TYPE_FROM_CLASS (gobject_class),
 119                               G_SIGNAL_RUN_FIRST,
 120                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 121                               NULL, NULL,
 122                               g_cclosure_marshal_VOID__POINTER,
 123                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 124
 125         signals[ITEM_NOT_FOUND_SIGNAL] =
 126                 g_signal_new ("item_not_found",
 127                               G_TYPE_FROM_CLASS (gobject_class),
 128                               G_SIGNAL_RUN_FIRST,
 129                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 130                               NULL, NULL,
 131                               g_cclosure_marshal_VOID__INT,
 132                               G_TYPE_NONE, 1, G_TYPE_INT);
 133
 134         signals[STATUS_UPDATE_SIGNAL] =
 135                 g_signal_new ("status_update",
 136                               G_TYPE_FROM_CLASS (gobject_class),
 137                               G_SIGNAL_RUN_FIRST,
 138                               G_STRUCT_OFFSET (ModestHeaderViewClass,message_selected),
 139                               NULL, NULL,
 140                               modest_marshal_VOID__STRING_INT_INT,
 141                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 142 }
 143
 144 static void
 145 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 146                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 147 {
 148         TnyHeaderFlags flags;
 149         GdkPixbuf *pixbuf = NULL;
 150
 151         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 152                             &flags, -1);
 153
 154         if (flags & TNY_HEADER_FLAG_DELETED)
 155                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_DELETED);
 156         else if (flags & TNY_HEADER_FLAG_SEEN)
 157                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_READ);
 158         else
 159                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_UNREAD);
 160
 161         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 162 }
 163
 164 static void
 165 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 166                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 167 {
 168         TnyHeaderFlags flags;
 169         GdkPixbuf *pixbuf = NULL;
 170
 171         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 172                             &flags, -1);
 173
 174         if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
 175                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
 176
 177         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 178 }
 179
 180
 181 static void
 182 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 183                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 184 {
 185         TnyHeaderFlags flags;
 186
 187         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 188                             &flags, -1);
 189
 190         g_object_set (G_OBJECT(renderer),
 191                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 192                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 193                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 194                       NULL);
 195 }
 196
 197
 198 static void
 199 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 200                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 201 {
 202         TnyHeaderFlags flags;
 203         gchar *address;
 204         gint sender_receiver_col;
 205
 206         if (is_sender)
 207                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
 208         else
 209                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
 210
 211         gtk_tree_model_get (tree_model, iter,
 212                             sender_receiver_col,  &address,
 213                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 214                             -1);
 215
 216         g_object_set (G_OBJECT(renderer),
 217                       "text",
 218                       modest_text_utils_display_address (address),
 219                       "weight",
 220                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 221                       "style",
 222                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 223                       NULL);
 224
 225         g_free (address);
 226 }
 227
 228
 229
 230
 231 /* not reentrant/thread-safe */
 232 const gchar*
 233 display_date (time_t date)
 234 {
 235         struct tm date_tm, now_tm;
 236         time_t now;
 237
 238         const gint buf_size = 64;
 239         static gchar date_buf[64]; /* buf_size is not ... */
 240         static gchar now_buf[64];  /* ...const enough... */
 241
 242         now = time (NULL);
 243
 244         localtime_r(&now, &now_tm);
 245         localtime_r(&date, &date_tm);
 246
 247         /* get today's date */
 248         modest_text_utils_strftime (date_buf, buf_size, "%x", &date_tm);
 249         modest_text_utils_strftime (now_buf,  buf_size, "%x",  &now_tm);
 250         /* today */
 251
 252         /* if this is today, get the time instead of the date */
 253         if (strcmp (date_buf, now_buf) == 0)
 254                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 255
 256         return date_buf;
 257 }
 258
 259
 260 static void
 261 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 262                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 263 {
 264         GObject *rendobj;
 265         TnyHeaderFlags flags;
 266         gchar *from, *subject;
 267         gchar *header;
 268         time_t date;
 269
 270         gtk_tree_model_get (tree_model, iter,
 271                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 272                             TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 273                             TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 274                             TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 275                             -1);
 276         rendobj = G_OBJECT(renderer);
 277
 278         header = g_strdup_printf ("%s %s\n%s",
 279                                   modest_text_utils_display_address (from),
 280                                   display_date(date),
 281                                   subject);
 282
 283         g_object_set (G_OBJECT(renderer),
 284                       "text",  header,
 285                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 286                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 287                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 288                       NULL);
 289         g_free (header);
 290         g_free (from);
 291         g_free (subject);
 292 }
 293
 294
 295 static GtkTreeViewColumn*
 296 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 297                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 298                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 299 {
 300         GtkTreeViewColumn *column;
 301
 302         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 303         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 304
 305         gtk_tree_view_column_set_resizable (column, resizable);
 306         if (resizable)
 307                 gtk_tree_view_column_set_min_width (column, 100);
 308
 309         if (show_as_text)
 310                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 311                                                     sort_col_id);
 312         if (sort_col_id >= 0)
 313                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 314
 315         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 316         gtk_tree_view_column_set_reorderable (column, TRUE);
 317
 318         if (cell_data_func)
 319                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 320                                                         user_data, NULL);
 321         return column;
 322 }
 323
 324
 325
 326
 327 static void
 328 remove_all_columns (ModestHeaderView *obj)
 329 {
 330         GList *columns, *cursor;
 331
 332         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 333
 334         for (cursor = columns; cursor; cursor = cursor->next)
 335                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 336                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 337         g_list_free (columns);
 338 }
 339
 340
 341
 342 gboolean
 343 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 344 {
 345         GtkTreeViewColumn *column=NULL;
 346         GtkCellRenderer *renderer_msgtype,
 347                 *renderer_header,
 348                 *renderer_attach;
 349
 350         ModestHeaderViewPrivate *priv;
 351         const GList *cursor;
 352
 353         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 354
 355         /* FIXME: check whether these renderers need to be freed */
 356         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 357         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 358         renderer_header  = gtk_cell_renderer_text_new ();
 359
 360         remove_all_columns (self);
 361
 362         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 363                 ModestHeaderViewColumn col =
 364                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 365
 366                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 367                         g_printerr ("modest: invalid column %d in column list\n", col);
 368                         continue;
 369                 }
 370
 371                 switch (col) {
 372
 373                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 374                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 375                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 376                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 377                                                  NULL);
 378                         gtk_tree_view_column_set_fixed_width (column, 32);
 379                         break;
 380
 381                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 382                         column = get_new_column (_("A"), renderer_attach, FALSE,
 383                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 384                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 385                                                  NULL);
 386                         gtk_tree_view_column_set_fixed_width (column, 32);
 387                         break;
 388
 389                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 390                         column = get_new_column (_("Received"), renderer_header, TRUE,
 391                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 392                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 393                                                  NULL);
 394                         break;
 395
 396                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 397                         column = get_new_column (_("From"), renderer_header, TRUE,
 398                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 399                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 400                                                  GINT_TO_POINTER(TRUE));
 401                         break;
 402
 403                 case MODEST_HEADER_VIEW_COLUMN_TO:
 404                         column = get_new_column (_("To"), renderer_header, TRUE,
 405                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 406                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 407                                                  GINT_TO_POINTER(FALSE));
 408                         break;
 409
 410                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 411                         column = get_new_column (_("Header"), renderer_header, TRUE,
 412                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 413                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 414                                                  NULL);
 415                         break;
 416
 417                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 418                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 419                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 420                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 421                                                  NULL);
 422                         break;
 423
 424
 425                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 426                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 427                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 428                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 429                                                  NULL);
 430                         break;
 431
 432                 default:
 433                         g_assert_not_reached ();
 434                 }
 435
 436                 /* we keep the column id around */
 437                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 438                                    GINT_TO_POINTER(col));
 439
 440                 /* we need this ptr when sorting the rows */
 441                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 442                                    self);
 443
 444                 gtk_tree_view_column_set_visible   (column, TRUE);
 445                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 446         }
 447         return TRUE;
 448 }
 449
 450
 451
 452 static void
 453 modest_header_view_init (ModestHeaderView *obj)
 454 {
 455         ModestHeaderViewPrivate *priv;
 456         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 457
 458         priv->lock = g_mutex_new ();
 459         priv->sig1 = 0;
 460 }
 461
 462 static void
 463 modest_header_view_finalize (GObject *obj)
 464 {
 465         ModestHeaderView        *self;
 466         ModestHeaderViewPrivate *priv;
 467         GtkTreeSelection        *sel;
 468
 469         self = MODEST_HEADER_VIEW(obj);
 470         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 471
 472         if (priv->headers)
 473                 g_object_unref (G_OBJECT(priv->headers));
 474
 475         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 476
 477         if (sel && priv->sig1 != 0) {
 478                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 479                 priv->sig1 = 0;
 480         }
 481
 482         if (priv->lock) {
 483                 g_mutex_free (priv->lock);
 484                 priv->lock = NULL;
 485         }
 486
 487         priv->headers  = NULL;
 488         priv->folder   = NULL;
 489
 490         G_OBJECT_CLASS(parent_class)->finalize (obj);
 491 }
 492
 493 GtkWidget*
 494 modest_header_view_new (TnyFolder *folder, const GList *columns,
 495                         ModestHeaderViewStyle style)
 496 {
 497         GObject *obj;
 498         GtkTreeSelection *sel;
 499         ModestHeaderView *self;
 500         ModestHeaderViewPrivate *priv;
 501
 502         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 503         self = MODEST_HEADER_VIEW(obj);
 504         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 505
 506         if (!modest_header_view_set_folder (self, NULL)) {
 507                 g_warning ("could not set the folder");
 508                 g_object_unref (obj);
 509                 return NULL;
 510         }
 511
 512         modest_header_view_set_style   (self, style);
 513         modest_header_view_set_columns (self, columns);
 514
 515         /* all cols */
 516         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 517         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 518         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 519
 520         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 521                                       TRUE); /* alternating row colors */
 522
 523         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 524
 525         priv->sig1 = g_signal_connect (sel, "changed",
 526                                        G_CALLBACK(on_selection_changed), self);
 527         return GTK_WIDGET(self);
 528 }
 529
 530
 531 TnyList *
 532 modest_header_view_get_selected_headers (ModestHeaderView *self)
 533 {
 534         GtkTreeSelection *sel;
 535         ModestHeaderViewPrivate *priv;
 536         TnyList *header_list = NULL;
 537         TnyHeader *header;
 538         GList *list, *tmp = NULL;
 539         GtkTreeModel *tree_model = NULL;
 540         GtkTreeIter iter;
 541
 542         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 543
 544         /* Get selected rows */
 545         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 546         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 547
 548         if (list) {
 549                 header_list = tny_simple_list_new();
 550
 551                 list = g_list_reverse (list);
 552                 tmp = list;
 553                 while (tmp) {
 554                         /* get header from selection */
 555                         gtk_tree_model_get_iter (tree_model,
 556                                                  &iter,
 557                                                  (GtkTreePath *) (tmp->data));
 558
 559                         gtk_tree_model_get (tree_model, &iter,
 560                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 561                                             &header, -1);
 562
 563                         /* Prepend to list */
 564                         tny_list_prepend (header_list, G_OBJECT (header));
 565                         tmp = g_list_next (tmp);
 566                 }
 567                 /* Clean up*/
 568                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 569                 g_list_free (list);
 570         }
 571         return header_list;
 572 }
 573
 574
 575 GList*
 576 modest_header_view_get_columns (ModestHeaderView *self)
 577 {
 578         g_return_val_if_fail (self, FALSE);
 579         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 580 }
 581
 582
 583
 584
 585 gboolean
 586 modest_header_view_set_style (ModestHeaderView *self,
 587                               ModestHeaderViewStyle style)
 588 {
 589         g_return_val_if_fail (self, FALSE);
 590         g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
 591
 592         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 593
 594         return TRUE;
 595 }
 596
 597 ModestHeaderViewStyle
 598 modest_header_view_get_style (ModestHeaderView *self)
 599 {
 600         g_return_val_if_fail (self, FALSE);
 601
 602         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 603 }
 604
 605
 606
 607 /* get the length of any prefix that should be ignored for sorting */
 608 static inline int
 609 get_prefix_len (const gchar *sub)
 610 {
 611         gint i;
 612         static const gchar* prefix[] = {
 613                 "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
 614         };
 615
 616         if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
 617                 return 0;
 618
 619         i = 0;
 620
 621         while (prefix[i]) {
 622                 if (g_str_has_prefix(sub, prefix[i])) {
 623                         int prefix_len = strlen(prefix[i]);
 624                         if (sub[prefix_len] == ' ')
 625                                 ++prefix_len; /* ignore space after prefix as well */
 626                         return prefix_len;
 627                 }
 628                 ++i;
 629         }
 630         return 0;
 631 }
 632
 633
 634
 635 /* a strcmp that is case insensitive and NULL-safe */
 636 static gint
 637 cmp_insensitive_str (const gchar* s1, const gchar *s2)
 638 {
 639         gint result = 0;
 640         gchar *n1, *n2;
 641
 642         /* work even when s1 and/or s2 == NULL */
 643         if (s1 == s2)
 644                 return 0;
 645         if (!s1)
 646                 return -1;
 647         if (!s2)
 648                 return 1;
 649
 650         n1 = g_utf8_collate_key (s1, -1);
 651         n2 = g_utf8_collate_key (s2, -1);
 652
 653         result = strcmp (n1, n2);
 654
 655         g_free (n1);
 656         g_free (n2);
 657
 658         return result;
 659 }
 660
 661
 662 static gint
 663 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 664           gpointer user_data)
 665 {
 666         gint col_id;
 667         gint t1, t2;
 668         gint val1, val2;
 669         gchar *s1, *s2;
 670         gint cmp;
 671
 672         static int counter = 0;
 673         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 674
 675         if (!(++counter % 100)) {
 676                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 677                                                          MODEST_HEADER_VIEW_PTR);
 678                 g_signal_emit (header_view,
 679                                signals[STATUS_UPDATE_SIGNAL],
 680                                0, _("Sorting..."), 0, 0);
 681         }
 682
 683         switch (col_id) {
 684
 685                 /* first one, we decide based on the time */
 686         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
 687         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 688                 gtk_tree_model_get (tree_model, iter1,
 689                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 690                                     &t1,-1);
 691                 gtk_tree_model_get (tree_model, iter2,
 692                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 693                                     &t2,-1);
 694                 return t1 - t2;
 695
 696         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 697                 gtk_tree_model_get (tree_model, iter1,
 698                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 699                                     &t1,-1);
 700                 gtk_tree_model_get (tree_model, iter2,
 701                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 702                                     &t2,-1);
 703                 return t1 - t2;
 704
 705
 706                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 707         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 708
 709                 gtk_tree_model_get (tree_model, iter1,
 710                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 711                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 712                                     -1);
 713                 gtk_tree_model_get (tree_model, iter2,
 714                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 715                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 716                                     -1);
 717
 718                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 719                 cmp = cmp_insensitive_str (s1 + get_prefix_len(s1), s2 + get_prefix_len(s2));
 720
 721                 g_free (s1);
 722                 g_free (s2);
 723
 724                 return cmp ? cmp : t1 - t2;
 725         }
 726
 727         case MODEST_HEADER_VIEW_COLUMN_FROM:
 728
 729                 gtk_tree_model_get (tree_model, iter1,
 730                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 731                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 732                                     -1);
 733                 gtk_tree_model_get (tree_model, iter2,
 734                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 735                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 736                                     -1);
 737                 cmp = cmp_insensitive_str (s1, s2);
 738                 g_free (s1);
 739                 g_free (s2);
 740
 741                 return cmp ? cmp : t1 - t2;
 742
 743         case MODEST_HEADER_VIEW_COLUMN_TO:
 744
 745                 gtk_tree_model_get (tree_model, iter1,
 746                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 747                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 748                                     -1);
 749                 gtk_tree_model_get (tree_model, iter2,
 750                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 751                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 752                                     -1);
 753                 cmp = cmp_insensitive_str (s1, s2);
 754                 g_free (s1);
 755                 g_free (s2);
 756
 757                 return cmp ? cmp : t1 - t2;
 758
 759         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 760
 761                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 762                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 763                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 764                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 765
 766                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 767                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 768
 769                 return cmp ? cmp : t1 - t2;
 770
 771         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 772                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 773                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 774                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 775                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 776                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 777
 778                 return cmp ? cmp : t1 - t2;
 779
 780         default:
 781                 return &iter1 - &iter2; /* oughhhh  */
 782         }
 783 }
 784
 785
 786 static void
 787 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 788                    gpointer user_data)
 789 {
 790         GtkTreeModel *sortable;
 791         ModestHeaderView *self;
 792         ModestHeaderViewPrivate *priv;
 793
 794         if (cancelled)
 795                 return;
 796
 797         self = MODEST_HEADER_VIEW(user_data);
 798         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 799
 800         priv->folder = folder;
 801
 802         if (!folder)  /* when there is no folder */
 803                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 804         else { /* it's a new one or a refresh */
 805                 GList *cols, *cursor;
 806
 807                 if (priv->headers)
 808                         g_object_unref (priv->headers);
 809
 810                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 811                 tny_folder_get_headers (folder, priv->headers, FALSE, NULL); /* FIXME */
 812
 813                 tny_gtk_header_list_model_set_folder
 814                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 815
 816                 sortable = gtk_tree_model_sort_new_with_model
 817                         (GTK_TREE_MODEL(priv->headers));
 818
 819                 /* install our special sorting functions */
 820                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 821                 while (cursor) {
 822                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 823                                                                          MODEST_HEADER_VIEW_COLUMN));
 824                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 825                                                          col_id,
 826                                                          (GtkTreeIterCompareFunc)cmp_rows,
 827                                                          cursor->data, NULL);
 828                         cursor = g_list_next(cursor);
 829                 }
 830                 g_list_free (cols);
 831
 832                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 833                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 834                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 835                 /* no need to unref sortable */
 836         }
 837 }
 838
 839
 840 static void
 841 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 842                                  gint num, gint total,  gpointer user_data)
 843 {
 844         ModestHeaderView *self;
 845         ModestHeaderViewPrivate *priv;
 846
 847         self = MODEST_HEADER_VIEW(user_data);
 848         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 849
 850         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 851                        0, msg, num, total);
 852 }
 853
 854
 855 TnyFolder*
 856 modest_header_view_get_folder (ModestHeaderView *self)
 857 {
 858         ModestHeaderViewPrivate *priv;
 859         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 860
 861         return priv->folder;
 862 }
 863
 864
 865 gboolean
 866 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 867 {
 868         ModestHeaderViewPrivate *priv;
 869         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 870
 871         priv->folder = folder;
 872
 873         if (!folder)  {/* when there is no folder */
 874                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 875                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 876         } else { /* it's a new one or a refresh */
 877                 tny_folder_refresh_async (folder,
 878                                           on_refresh_folder,
 879                                           on_refresh_folder_status_update,
 880                                           self);
 881         }
 882
 883         /* no message selected */
 884         g_signal_emit (G_OBJECT(self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 885                        NULL);
 886         return TRUE;
 887 }
 888
 889 static void
 890 get_msg_cb (TnyFolder *folder, TnyMsg *msg, GError **err, gpointer user_data)
 891 {
 892         GetMsgAsyncHelper *helper;
 893         TnyHeaderFlags header_flags;
 894
 895         helper = (GetMsgAsyncHelper *) user_data;
 896
 897         if (msg) {
 898                 g_signal_emit (G_OBJECT(helper->self), signals[MESSAGE_SELECTED_SIGNAL], 0,
 899                                msg);
 900
 901                 /* mark message as seen; _set_flags crashes, bug in tinymail? */
 902                 header_flags = tny_header_get_flags (helper->header);
 903                 tny_header_set_flags (helper->header, header_flags | TNY_HEADER_FLAG_SEEN);
 904         } else
 905                 g_signal_emit (G_OBJECT(helper->self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 906                                MODEST_ITEM_TYPE_MESSAGE);
 907
 908         /* Frees */
 909         g_slice_free (GetMsgAsyncHelper, helper);
 910 }
 911
 912 static void
 913 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 914 {
 915         GtkTreeModel *model;
 916         TnyHeader *header;
 917         GtkTreeIter iter;
 918         ModestHeaderView *self;
 919         ModestHeaderViewPrivate *priv;
 920         TnyFolder *folder;
 921         GetMsgAsyncHelper *helper;
 922
 923         g_return_if_fail (sel);
 924         g_return_if_fail (user_data);
 925
 926         self = MODEST_HEADER_VIEW (user_data);
 927         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 928
 929         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 930                 return; /* msg was _un_selected */
 931
 932         gtk_tree_model_get (model, &iter,
 933                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 934                             &header, -1);
 935
 936         if (!header) {
 937                 g_printerr ("modest: cannot find header\n");
 938                 return;
 939         }
 940
 941         folder = tny_header_get_folder (TNY_HEADER(header));
 942         if (!folder) {
 943                 g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL], 0,
 944                                MODEST_ITEM_TYPE_FOLDER);
 945                 return;
 946         }
 947
 948         helper = g_slice_new0 (GetMsgAsyncHelper);
 949         helper->self = self;
 950         helper->header = header;
 951
 952         /* Get message asynchronously. The callback will issue a
 953            signal if the message was retrieved correctly and then will
 954            set the header flags as read. */
 955         tny_folder_get_msg_async (TNY_FOLDER(folder),
 956                                   header, get_msg_cb, helper);
 957
 958         /* Frees */
 959         g_object_unref (G_OBJECT (folder));
 960 }