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         HEADER_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         gboolean              is_empty;
  65 };
  66
  67 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  68                                                 MODEST_TYPE_HEADER_VIEW, \
  69                                                 ModestHeaderViewPrivate))
  70
  71 /* globals */
  72 static GObjectClass *parent_class = NULL;
  73
  74 /* uncomment the following if you have defined any signals */
  75 static guint signals[LAST_SIGNAL] = {0};
  76
  77 GType
  78 modest_header_view_get_type (void)
  79 {
  80         static GType my_type = 0;
  81         if (!my_type) {
  82                 static const GTypeInfo my_info = {
  83                         sizeof(ModestHeaderViewClass),
  84                         NULL,           /* base init */
  85                         NULL,           /* base finalize */
  86                         (GClassInitFunc) modest_header_view_class_init,
  87                         NULL,           /* class finalize */
  88                         NULL,           /* class data */
  89                         sizeof(ModestHeaderView),
  90                         1,              /* n_preallocs */
  91                         (GInstanceInitFunc) modest_header_view_init,
  92                         NULL
  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[HEADER_SELECTED_SIGNAL] =
 113                 g_signal_new ("header_selected",
 114                               G_TYPE_FROM_CLASS (gobject_class),
 115                               G_SIGNAL_RUN_FIRST,
 116                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 117                               NULL, NULL,
 118                               g_cclosure_marshal_VOID__POINTER,
 119                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 120
 121         signals[ITEM_NOT_FOUND_SIGNAL] =
 122                 g_signal_new ("item_not_found",
 123                               G_TYPE_FROM_CLASS (gobject_class),
 124                               G_SIGNAL_RUN_FIRST,
 125                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 126                               NULL, NULL,
 127                               g_cclosure_marshal_VOID__INT,
 128                               G_TYPE_NONE, 1, G_TYPE_INT);
 129
 130         signals[STATUS_UPDATE_SIGNAL] =
 131                 g_signal_new ("status_update",
 132                               G_TYPE_FROM_CLASS (gobject_class),
 133                               G_SIGNAL_RUN_FIRST,
 134                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 135                               NULL, NULL,
 136                               modest_marshal_VOID__STRING_INT_INT,
 137                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 138 }
 139
 140 static void
 141 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 142                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 143 {
 144         TnyHeaderFlags flags;
 145         GdkPixbuf *pixbuf = NULL;
 146
 147         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 148                             &flags, -1);
 149
 150         if (flags & TNY_HEADER_FLAG_DELETED)
 151                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_DELETED);
 152         else if (flags & TNY_HEADER_FLAG_SEEN)
 153                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_READ);
 154         else
 155                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_UNREAD);
 156
 157         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 158 }
 159
 160 static void
 161 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 162                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 163 {
 164         TnyHeaderFlags flags;
 165         GdkPixbuf *pixbuf = NULL;
 166
 167         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 168                             &flags, -1);
 169
 170         if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
 171                 pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
 172
 173         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 174 }
 175
 176
 177 static void
 178 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 179                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 180 {
 181         TnyHeaderFlags flags;
 182
 183         gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 184                             &flags, -1);
 185
 186         g_object_set (G_OBJECT(renderer),
 187                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 188                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 189                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 190                       NULL);
 191 }
 192
 193
 194 static void
 195 sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 196                             GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
 197 {
 198         TnyHeaderFlags flags;
 199         gchar *address;
 200         gint sender_receiver_col;
 201
 202         if (is_sender)
 203                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
 204         else
 205                 sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
 206
 207         gtk_tree_model_get (tree_model, iter,
 208                             sender_receiver_col,  &address,
 209                             TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 210                             -1);
 211
 212         g_object_set (G_OBJECT(renderer),
 213                       "text",
 214                       modest_text_utils_get_display_address (address),
 215                       "weight",
 216                       (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
 217                       "style",
 218                       (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
 219                       NULL);
 220
 221         g_free (address);
 222 }
 223 /*
 224  * this for both incoming and outgoing mail, depending on the the user_data
 225  * parameter. in the incoming case, show 'From' and 'Received date', in the
 226  * outgoing case, show 'To' and 'Sent date'
 227  */
 228 static void
 229 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 230                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 231 {
 232         GObject *rendobj;
 233         TnyHeaderFlags flags;
 234         gchar *address, *subject;
 235         gchar *header;
 236         time_t date;
 237         gboolean is_incoming;
 238
 239         is_incoming = GPOINTER_TO_INT(user_data); /* GPOINTER_TO_BOOLEAN is not available
 240                                                    * in older versions of glib...*/
 241
 242         if (is_incoming)
 243                 gtk_tree_model_get (tree_model, iter,
 244                                     TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 245                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &address,
 246                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 247                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 248                                     -1);
 249         else
 250                 gtk_tree_model_get (tree_model, iter,
 251                                     TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 252                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,  &address,
 253                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 254                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &date,
 255                                     -1);
 256
 257         rendobj = G_OBJECT(renderer);
 258
 259         header = g_strdup_printf ("%s %s\n%s",
 260                                   modest_text_utils_get_display_address (address),
 261                                   modest_text_utils_get_display_date (date),
 262                                   subject);
 263
 264         g_object_set (G_OBJECT(renderer),
 265                       "text",  header,
 266                       "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
 267                       "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
 268                                  PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
 269                       NULL);
 270
 271         g_free (header);
 272         g_free (address);
 273         g_free (subject);
 274 }
 275
 276
 277
 278 static GtkTreeViewColumn*
 279 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 280                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 281                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 282 {
 283         GtkTreeViewColumn *column;
 284
 285         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 286         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 287
 288         gtk_tree_view_column_set_resizable (column, resizable);
 289         if (resizable)
 290                 gtk_tree_view_column_set_min_width (column, 100);
 291
 292         if (show_as_text)
 293                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 294                                                     sort_col_id);
 295         if (sort_col_id >= 0)
 296                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 297
 298         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 299         gtk_tree_view_column_set_reorderable (column, TRUE);
 300
 301         if (cell_data_func)
 302                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 303                                                         user_data, NULL);
 304         return column;
 305 }
 306
 307
 308
 309
 310 static void
 311 remove_all_columns (ModestHeaderView *obj)
 312 {
 313         GList *columns, *cursor;
 314
 315         gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
 316
 317         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 318
 319         for (cursor = columns; cursor; cursor = cursor->next)
 320                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 321                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 322         g_list_free (columns);
 323 }
 324
 325
 326
 327 gboolean
 328 modest_header_view_is_empty (ModestHeaderView *self)
 329 {
 330         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
 331
 332         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->is_empty;
 333 }
 334
 335
 336 static gboolean
 337 set_empty (ModestHeaderView *self)
 338 {
 339         ModestHeaderViewPrivate *priv;
 340         GtkTreeViewColumn *column;
 341         GtkListStore *store;
 342         GtkTreeIter iter;
 343
 344         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 345
 346         remove_all_columns (self);
 347
 348         store = gtk_list_store_new (1, G_TYPE_STRING);
 349         gtk_list_store_append (store, &iter);
 350         gtk_list_store_set (store, &iter, 0, _("<b>(No items in this folder)</b>"), -1);
 351         gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 352         g_object_unref (store);
 353
 354         column = gtk_tree_view_column_new_with_attributes ("", gtk_cell_renderer_text_new(),
 355                                                            "markup", 0, NULL);
 356         gtk_tree_view_column_set_resizable (column, FALSE);
 357         gtk_tree_view_column_set_alignment (column, 0.5);
 358
 359         gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 360         priv->is_empty = TRUE;
 361
 362         return TRUE;
 363 }
 364
 365
 366
 367 gboolean
 368 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 369 {
 370         GtkTreeViewColumn *column=NULL;
 371         GtkCellRenderer *renderer_msgtype,
 372                 *renderer_header,
 373                 *renderer_attach;
 374
 375         ModestHeaderViewPrivate *priv;
 376         const GList *cursor;
 377
 378         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 379
 380         /* FIXME: check whether these renderers need to be freed */
 381         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 382         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 383         renderer_header  = gtk_cell_renderer_text_new ();
 384
 385         remove_all_columns (self);
 386
 387         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 388                 ModestHeaderViewColumn col =
 389                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 390
 391                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 392                         g_printerr ("modest: invalid column %d in column list\n", col);
 393                         continue;
 394                 }
 395
 396                 switch (col) {
 397
 398                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 399                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 400                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 401                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 402                                                  NULL);
 403                         gtk_tree_view_column_set_fixed_width (column, 32);
 404                         break;
 405
 406                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 407                         column = get_new_column (_("A"), renderer_attach, FALSE,
 408                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 409                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 410                                                  NULL);
 411                         gtk_tree_view_column_set_fixed_width (column, 32);
 412                         break;
 413
 414                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 415                         column = get_new_column (_("Received"), renderer_header, TRUE,
 416                                                  TNY_GTK_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_GTK_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_GTK_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_IN:
 436                         column = get_new_column (_("Header"), renderer_header, TRUE,
 437                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 438                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 439                                                  GINT_TO_POINTER(TRUE));
 440                         break;
 441
 442                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 443                                                 column = get_new_column (_("Header"), renderer_header, TRUE,
 444                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 445                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 446                                                  GINT_TO_POINTER(FALSE));
 447                         break;
 448
 449
 450                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 451                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 452                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 453                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 454                                                  NULL);
 455                         break;
 456
 457
 458                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 459                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 460                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 461                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 462                                                  NULL);
 463                         break;
 464
 465                 default:
 466                         g_assert_not_reached ();
 467                 }
 468
 469                 /* we keep the column id around */
 470                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 471                                    GINT_TO_POINTER(col));
 472
 473                 /* we need this ptr when sorting the rows */
 474                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 475                                    self);
 476
 477                 gtk_tree_view_column_set_visible   (column, TRUE);
 478                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 479         }
 480         return TRUE;
 481 }
 482
 483
 484
 485 static void
 486 modest_header_view_init (ModestHeaderView *obj)
 487 {
 488         ModestHeaderViewPrivate *priv;
 489         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 490
 491         priv->lock = g_mutex_new ();
 492         priv->sig1 = 0;
 493 }
 494
 495 static void
 496 modest_header_view_finalize (GObject *obj)
 497 {
 498         ModestHeaderView        *self;
 499         ModestHeaderViewPrivate *priv;
 500         GtkTreeSelection        *sel;
 501
 502         self = MODEST_HEADER_VIEW(obj);
 503         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 504
 505         if (priv->headers)
 506                 g_object_unref (G_OBJECT(priv->headers));
 507
 508         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 509
 510         if (sel && priv->sig1 != 0) {
 511                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 512                 priv->sig1 = 0;
 513         }
 514
 515         if (priv->lock) {
 516                 g_mutex_free (priv->lock);
 517                 priv->lock = NULL;
 518         }
 519
 520         priv->headers  = NULL;
 521         priv->folder   = NULL;
 522
 523         G_OBJECT_CLASS(parent_class)->finalize (obj);
 524 }
 525
 526 GtkWidget*
 527 modest_header_view_new (TnyFolder *folder, const GList *columns,
 528                         ModestHeaderViewStyle style)
 529 {
 530         GObject *obj;
 531         GtkTreeSelection *sel;
 532         ModestHeaderView *self;
 533         ModestHeaderViewPrivate *priv;
 534
 535         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 536         self = MODEST_HEADER_VIEW(obj);
 537         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 538
 539         modest_header_view_set_style   (self, style);
 540         modest_header_view_set_columns (self, columns);
 541
 542         if (!modest_header_view_set_folder (self, NULL)) {
 543                 g_warning ("could not set the folder");
 544                 g_object_unref (obj);
 545                 return NULL;
 546         }
 547
 548
 549         /* all cols */
 550         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 551         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 552         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 553
 554         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 555                                       TRUE); /* alternating row colors */
 556
 557         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 558
 559         priv->sig1 = g_signal_connect (sel, "changed",
 560                                        G_CALLBACK(on_selection_changed), self);
 561         return GTK_WIDGET(self);
 562 }
 563
 564
 565 TnyList *
 566 modest_header_view_get_selected_headers (ModestHeaderView *self)
 567 {
 568         GtkTreeSelection *sel;
 569         ModestHeaderViewPrivate *priv;
 570         TnyList *header_list = NULL;
 571         TnyHeader *header;
 572         GList *list, *tmp = NULL;
 573         GtkTreeModel *tree_model = NULL;
 574         GtkTreeIter iter;
 575
 576         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 577
 578         /* Get selected rows */
 579         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 580         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 581
 582         if (list) {
 583                 header_list = tny_simple_list_new();
 584
 585                 list = g_list_reverse (list);
 586                 tmp = list;
 587                 while (tmp) {
 588                         /* get header from selection */
 589                         gtk_tree_model_get_iter (tree_model,
 590                                                  &iter,
 591                                                  (GtkTreePath *) (tmp->data));
 592
 593                         gtk_tree_model_get (tree_model, &iter,
 594                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 595                                             &header, -1);
 596
 597                         /* Prepend to list */
 598                         tny_list_prepend (header_list, G_OBJECT (header));
 599                         tmp = g_list_next (tmp);
 600                 }
 601                 /* Clean up*/
 602                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 603                 g_list_free (list);
 604         }
 605         return header_list;
 606 }
 607
 608 void
 609 modest_header_view_select_next (ModestHeaderView *self)
 610 {
 611         GtkTreeSelection *sel;
 612         GtkTreeIter iter;
 613         GtkTreeModel *model;
 614
 615         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 616         if (sel) {
 617                 gtk_tree_selection_get_selected (sel, &model, &iter);
 618                 gtk_tree_model_iter_next (model, &iter);
 619                 gtk_tree_selection_select_iter (sel, &iter);
 620         }
 621 }
 622
 623 GList*
 624 modest_header_view_get_columns (ModestHeaderView *self)
 625 {
 626         g_return_val_if_fail (self, FALSE);
 627         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 628 }
 629
 630 gboolean
 631 modest_header_view_set_style (ModestHeaderView *self,
 632                               ModestHeaderViewStyle style)
 633 {
 634         g_return_val_if_fail (self, FALSE);
 635
 636         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 637
 638         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
 639                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 640         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
 641                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 642
 643         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
 644         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
 645                                       TRUE); /* alternating row colors */
 646
 647         return TRUE;
 648 }
 649
 650
 651 ModestHeaderViewStyle
 652 modest_header_view_get_style (ModestHeaderView *self)
 653 {
 654         g_return_val_if_fail (self, FALSE);
 655
 656         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 657 }
 658
 659
 660 static gint
 661 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 662           gpointer user_data)
 663 {
 664         gint col_id;
 665         gint t1, t2;
 666         gint val1, val2;
 667         gchar *s1, *s2;
 668         gint cmp;
 669
 670         static int counter = 0;
 671         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 672
 673         if (!(++counter % 100)) {
 674                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 675                                                          MODEST_HEADER_VIEW_PTR);
 676                 g_signal_emit (header_view,
 677                                signals[STATUS_UPDATE_SIGNAL],
 678                                0, _("Sorting..."), 0, 0);
 679         }
 680
 681         switch (col_id) {
 682
 683                 /* first one, we decide based on the time */
 684         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 685         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 686                 gtk_tree_model_get (tree_model, iter1,
 687                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 688                                     &t1,-1);
 689                 gtk_tree_model_get (tree_model, iter2,
 690                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 691                                     &t2,-1);
 692                 return t1 - t2;
 693
 694         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 695         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 696                 gtk_tree_model_get (tree_model, iter1,
 697                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 698                                     &t1,-1);
 699                 gtk_tree_model_get (tree_model, iter2,
 700                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 701                                     &t2,-1);
 702                 return t1 - t2;
 703
 704
 705                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 706         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 707
 708                 gtk_tree_model_get (tree_model, iter1,
 709                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 710                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 711                                     -1);
 712                 gtk_tree_model_get (tree_model, iter2,
 713                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 714                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 715                                     -1);
 716
 717                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 718                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 719                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 720                                                      TRUE);
 721
 722                 g_free (s1);
 723                 g_free (s2);
 724
 725                 return cmp ? cmp : t1 - t2;
 726         }
 727
 728         case MODEST_HEADER_VIEW_COLUMN_FROM:
 729
 730                 gtk_tree_model_get (tree_model, iter1,
 731                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 732                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 733                                     -1);
 734                 gtk_tree_model_get (tree_model, iter2,
 735                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 736                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 737                                     -1);
 738                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 739                 g_free (s1);
 740                 g_free (s2);
 741
 742                 return cmp ? cmp : t1 - t2;
 743
 744         case MODEST_HEADER_VIEW_COLUMN_TO:
 745
 746                 gtk_tree_model_get (tree_model, iter1,
 747                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 748                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 749                                     -1);
 750                 gtk_tree_model_get (tree_model, iter2,
 751                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 752                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 753                                     -1);
 754                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 755                 g_free (s1);
 756                 g_free (s2);
 757
 758                 return cmp ? cmp : t1 - t2;
 759
 760         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 761
 762                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 763                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 764                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 765                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 766
 767                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 768                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 769
 770                 return cmp ? cmp : t1 - t2;
 771
 772         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 773                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 774                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 775                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 776                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 777                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 778
 779                 return cmp ? cmp : t1 - t2;
 780
 781         default:
 782                 return &iter1 - &iter2; /* oughhhh  */
 783         }
 784 }
 785
 786
 787 static void
 788 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 789                    gpointer user_data)
 790 {
 791         GtkTreeModel *sortable;
 792         ModestHeaderView *self;
 793         ModestHeaderViewPrivate *priv;
 794         GError *error = NULL;
 795
 796         if (cancelled)
 797                 return;
 798
 799         self = MODEST_HEADER_VIEW(user_data);
 800         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 801
 802         priv->folder = folder;
 803
 804         if (!folder)  /* when there is no folder */
 805                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 806
 807         else if (tny_folder_get_all_count(folder) == 0)
 808                  set_empty (self); /* display the 'no items' message */
 809
 810         else { /* it's a new one or a refresh */
 811                 GList *cols, *cursor;
 812
 813                 priv->is_empty = FALSE;
 814
 815                 if (priv->headers)
 816                         g_object_unref (priv->headers);
 817
 818                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 819                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 820                 if (error) {
 821                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 822                                        0, MODEST_ITEM_TYPE_MESSAGE);
 823                         g_print (error->message);
 824                         g_error_free (error);
 825                         return;
 826                 }
 827
 828                 tny_gtk_header_list_model_set_folder
 829                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 830
 831                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 832
 833                 /* install our special sorting functions */
 834                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 835                 while (cursor) {
 836                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 837                                                                          MODEST_HEADER_VIEW_COLUMN));
 838                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 839                                                          col_id,
 840                                                          (GtkTreeIterCompareFunc)cmp_rows,
 841                                                          cursor->data, NULL);
 842                         cursor = g_list_next(cursor);
 843                 }
 844                 g_list_free (cols);
 845
 846                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 847                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
 848                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
 849         }
 850 }
 851
 852
 853 static void
 854 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 855                                  gint num, gint total,  gpointer user_data)
 856 {
 857         ModestHeaderView *self;
 858         ModestHeaderViewPrivate *priv;
 859
 860         self = MODEST_HEADER_VIEW(user_data);
 861         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 862
 863         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 864                        0, msg, num, total);
 865 }
 866
 867
 868 TnyFolder*
 869 modest_header_view_get_folder (ModestHeaderView *self)
 870 {
 871         ModestHeaderViewPrivate *priv;
 872         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 873
 874         return priv->folder;
 875 }
 876
 877
 878 gboolean
 879 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 880 {
 881         ModestHeaderViewPrivate *priv;
 882         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 883
 884         priv->folder = folder;
 885
 886         if (!folder)  {/* when there is no folder */
 887                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 888                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 889         } else { /* it's a new one or a refresh */
 890                 tny_folder_refresh_async (folder,
 891                                           on_refresh_folder,
 892                                           on_refresh_folder_status_update,
 893                                           self);
 894         }
 895
 896         /* no message selected */
 897         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 898                        NULL);
 899         return TRUE;
 900 }
 901
 902 static void
 903 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 904 {
 905         GtkTreeModel *model;
 906         TnyHeader *header;
 907         GtkTreeIter iter;
 908         ModestHeaderView *self;
 909         ModestHeaderViewPrivate *priv;
 910
 911         g_return_if_fail (sel);
 912         g_return_if_fail (user_data);
 913
 914         self = MODEST_HEADER_VIEW (user_data);
 915         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 916
 917         if (priv->is_empty) /* if the folder is empty, nothing to do */
 918                 return;
 919
 920         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 921                 return; /* msg was _un_selected */
 922
 923         gtk_tree_model_get (model, &iter,
 924                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 925                             &header, -1);
 926
 927         /* Emit signal */
 928         g_signal_emit (G_OBJECT(self),
 929                        signals[HEADER_SELECTED_SIGNAL],
 930                        0, header);
 931 }
 932
 933
 934 /* PROTECTED method. It's useful when we want to force a given
 935    selection to reload a msg. For example if we have selected a header
 936    in offline mode, when Modest become online, we want to reload the
 937    message automatically without an user click over the header */
 938 void
 939 _modest_header_view_change_selection (GtkTreeSelection *selection,
 940                                       gpointer user_data)
 941 {
 942         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 943         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 944
 945         on_selection_changed (selection, user_data);
 946 }