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         ModestHeaderViewState state;
  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_GROW_ONLY);
 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         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 301
 302         if (cell_data_func)
 303                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 304                                                         user_data, NULL);
 305         return column;
 306 }
 307
 308
 309
 310
 311 static void
 312 remove_all_columns (ModestHeaderView *obj)
 313 {
 314         GList *columns, *cursor;
 315
 316         gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
 317
 318         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 319
 320         for (cursor = columns; cursor; cursor = cursor->next)
 321                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 322                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 323         g_list_free (columns);
 324 }
 325
 326
 327
 328 static gboolean
 329 set_empty (ModestHeaderView *self)
 330 {
 331         ModestHeaderViewPrivate *priv;
 332         GtkTreeViewColumn *column;
 333         GtkListStore *store;
 334         GtkTreeIter iter;
 335
 336         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 337
 338         remove_all_columns (self);
 339
 340         store = gtk_list_store_new (1, G_TYPE_STRING);
 341         gtk_list_store_append (store, &iter);
 342         gtk_list_store_set (store, &iter, 0, _("<b>(No items in this folder)</b>"), -1);
 343         gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 344         g_object_unref (store);
 345
 346         column = gtk_tree_view_column_new_with_attributes ("", gtk_cell_renderer_text_new(),
 347                                                            "markup", 0, NULL);
 348         gtk_tree_view_column_set_resizable (column, FALSE);
 349         gtk_tree_view_column_set_alignment (column, 0.5);
 350
 351         gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 352         priv->state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 353
 354         return TRUE;
 355 }
 356
 357
 358
 359 ModestHeaderViewState
 360 modest_header_view_get_state (ModestHeaderView *self)
 361 {
 362         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
 363
 364         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 365 }
 366
 367
 368 static void
 369 set_state (ModestHeaderView *self, ModestHeaderViewState state)
 370 {
 371         ModestHeaderViewState oldstate =
 372                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 373
 374         if (oldstate != state) {
 375                 if ((oldstate & MODEST_HEADER_VIEW_STATE_IS_EMPTY) !=
 376                     (state & MODEST_HEADER_VIEW_STATE_IS_EMPTY))
 377                         set_empty (self);
 378
 379                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state = state;
 380                 /* FIXME: emit signal if the state changed*/
 381         }
 382 }
 383
 384
 385 static void
 386 update_state (ModestHeaderView *self)
 387 {
 388         GtkTreePath *path;
 389         GtkTreeSelection *sel;
 390         ModestHeaderViewState state = 0;
 391         ModestHeaderViewPrivate *priv;
 392
 393         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 394
 395         if (!priv->folder || tny_folder_get_all_count(priv->folder) == 0)
 396                 state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 397         else {
 398                 gtk_tree_view_get_cursor (GTK_TREE_VIEW(self), &path, NULL);
 399                 if (path) {
 400                         GtkTreePath *path2;
 401
 402                         state |= MODEST_HEADER_VIEW_STATE_HAS_CURSOR;
 403                         path2= gtk_tree_path_copy (path);
 404
 405                         gtk_tree_path_next (path);
 406                         if (gtk_tree_path_compare (path, path2) != 0)
 407                                 state |= MODEST_HEADER_VIEW_STATE_AT_LAST_ITEM;
 408
 409                         if (!gtk_tree_path_prev (path2))
 410                                 state |= MODEST_HEADER_VIEW_STATE_AT_FIRST_ITEM;
 411
 412                         gtk_tree_path_free (path);
 413                         gtk_tree_path_free (path2);
 414                 }
 415
 416                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(self));
 417                 if (sel) {
 418                         state |= MODEST_HEADER_VIEW_STATE_HAS_SELECTION;
 419                         if (gtk_tree_selection_count_selected_rows (sel) > 1)
 420                                 state |= MODEST_HEADER_VIEW_STATE_HAS_MULTIPLE_SELECTION;
 421                 }
 422         }
 423
 424         set_state (self, state);
 425 }
 426
 427
 428
 429 gboolean
 430 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 431 {
 432         GtkTreeViewColumn *column=NULL;
 433         GtkCellRenderer *renderer_msgtype,
 434                 *renderer_header,
 435                 *renderer_attach;
 436
 437         ModestHeaderViewPrivate *priv;
 438         const GList *cursor;
 439
 440         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 441
 442         /* FIXME: check whether these renderers need to be freed */
 443         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 444         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 445         renderer_header  = gtk_cell_renderer_text_new ();
 446
 447         remove_all_columns (self);
 448
 449         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 450                 ModestHeaderViewColumn col =
 451                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 452
 453                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 454                         g_printerr ("modest: invalid column %d in column list\n", col);
 455                         continue;
 456                 }
 457
 458                 switch (col) {
 459
 460                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 461                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 462                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 463                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 464                                                  NULL);
 465                         gtk_tree_view_column_set_fixed_width (column, 32);
 466                         break;
 467
 468                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 469                         column = get_new_column (_("A"), renderer_attach, FALSE,
 470                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 471                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 472                                                  NULL);
 473                         gtk_tree_view_column_set_fixed_width (column, 32);
 474                         break;
 475
 476                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 477                         column = get_new_column (_("Received"), renderer_header, TRUE,
 478                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 479                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 480                                                  NULL);
 481                         break;
 482
 483                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 484                         column = get_new_column (_("From"), renderer_header, TRUE,
 485                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 486                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 487                                                  GINT_TO_POINTER(TRUE));
 488                         break;
 489
 490                 case MODEST_HEADER_VIEW_COLUMN_TO:
 491                         column = get_new_column (_("To"), renderer_header, TRUE,
 492                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 493                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 494                                                  GINT_TO_POINTER(FALSE));
 495                         break;
 496
 497                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 498                         column = get_new_column (_("Header"), renderer_header, TRUE,
 499                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 500                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 501                                                  GINT_TO_POINTER(TRUE));
 502                         break;
 503
 504                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 505                                                 column = get_new_column (_("Header"), renderer_header, TRUE,
 506                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 507                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 508                                                  GINT_TO_POINTER(FALSE));
 509                         break;
 510
 511
 512                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 513                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 514                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 515                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 516                                                  NULL);
 517                         break;
 518
 519
 520                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 521                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 522                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 523                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 524                                                  NULL);
 525                         break;
 526
 527                 default:
 528                         g_assert_not_reached ();
 529                 }
 530
 531                 /* we keep the column id around */
 532                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 533                                    GINT_TO_POINTER(col));
 534
 535                 /* we need this ptr when sorting the rows */
 536                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 537                                    self);
 538
 539                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 540         }
 541         return TRUE;
 542 }
 543
 544
 545
 546 static void
 547 modest_header_view_init (ModestHeaderView *obj)
 548 {
 549         ModestHeaderViewPrivate *priv;
 550         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 551
 552         priv->lock = g_mutex_new ();
 553         priv->sig1 = 0;
 554 }
 555
 556 static void
 557 modest_header_view_finalize (GObject *obj)
 558 {
 559         ModestHeaderView        *self;
 560         ModestHeaderViewPrivate *priv;
 561         GtkTreeSelection        *sel;
 562
 563         self = MODEST_HEADER_VIEW(obj);
 564         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 565
 566         if (priv->headers)
 567                 g_object_unref (G_OBJECT(priv->headers));
 568
 569         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 570
 571         if (sel && priv->sig1 != 0) {
 572                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 573                 priv->sig1 = 0;
 574         }
 575
 576         if (priv->lock) {
 577                 g_mutex_free (priv->lock);
 578                 priv->lock = NULL;
 579         }
 580
 581         priv->headers  = NULL;
 582         priv->folder   = NULL;
 583
 584         G_OBJECT_CLASS(parent_class)->finalize (obj);
 585 }
 586
 587 GtkWidget*
 588 modest_header_view_new (TnyFolder *folder, const GList *columns,
 589                         ModestHeaderViewStyle style)
 590 {
 591         GObject *obj;
 592         GtkTreeSelection *sel;
 593         ModestHeaderView *self;
 594         ModestHeaderViewPrivate *priv;
 595
 596         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 597         self = MODEST_HEADER_VIEW(obj);
 598         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 599
 600         modest_header_view_set_style   (self, style);
 601         modest_header_view_set_columns (self, columns);
 602
 603         if (!modest_header_view_set_folder (self, NULL)) {
 604                 g_warning ("could not set the folder");
 605                 g_object_unref (obj);
 606                 return NULL;
 607         }
 608
 609         /* all cols */
 610         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 611         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 612
 613         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 614                                       TRUE); /* alternating row colors */
 615
 616         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 617
 618         priv->sig1 = g_signal_connect (sel, "changed",
 619                                        G_CALLBACK(on_selection_changed), self);
 620         return GTK_WIDGET(self);
 621 }
 622
 623
 624 TnyList *
 625 modest_header_view_get_selected_headers (ModestHeaderView *self)
 626 {
 627         GtkTreeSelection *sel;
 628         ModestHeaderViewPrivate *priv;
 629         TnyList *header_list = NULL;
 630         TnyHeader *header;
 631         GList *list, *tmp = NULL;
 632         GtkTreeModel *tree_model = NULL;
 633         GtkTreeIter iter;
 634
 635         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 636
 637         /* Get selected rows */
 638         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 639         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 640
 641         if (list) {
 642                 header_list = tny_simple_list_new();
 643
 644                 list = g_list_reverse (list);
 645                 tmp = list;
 646                 while (tmp) {
 647                         /* get header from selection */
 648                         gtk_tree_model_get_iter (tree_model,
 649                                                  &iter,
 650                                                  (GtkTreePath *) (tmp->data));
 651
 652                         gtk_tree_model_get (tree_model, &iter,
 653                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 654                                             &header, -1);
 655
 656                         /* Prepend to list */
 657                         tny_list_prepend (header_list, G_OBJECT (header));
 658                         tmp = g_list_next (tmp);
 659                 }
 660                 /* Clean up*/
 661                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 662                 g_list_free (list);
 663         }
 664         return header_list;
 665 }
 666
 667 void
 668 modest_header_view_select_next (ModestHeaderView *self)
 669 {
 670         GtkTreeSelection *sel;
 671         GtkTreeIter iter;
 672         GtkTreeModel *model;
 673
 674         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 675         if (sel) {
 676                 gtk_tree_selection_get_selected (sel, &model, &iter);
 677                 gtk_tree_model_iter_next (model, &iter);
 678                 gtk_tree_selection_select_iter (sel, &iter);
 679         }
 680 }
 681
 682 GList*
 683 modest_header_view_get_columns (ModestHeaderView *self)
 684 {
 685         g_return_val_if_fail (self, FALSE);
 686         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 687 }
 688
 689 gboolean
 690 modest_header_view_set_style (ModestHeaderView *self,
 691                               ModestHeaderViewStyle style)
 692 {
 693         g_return_val_if_fail (self, FALSE);
 694
 695         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 696
 697         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
 698                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 699         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
 700                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 701
 702         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
 703         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
 704                                       TRUE); /* alternating row colors */
 705
 706         return TRUE;
 707 }
 708
 709
 710 ModestHeaderViewStyle
 711 modest_header_view_get_style (ModestHeaderView *self)
 712 {
 713         g_return_val_if_fail (self, FALSE);
 714
 715         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 716 }
 717
 718
 719 static gint
 720 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 721           gpointer user_data)
 722 {
 723         gint col_id;
 724         gint t1, t2;
 725         gint val1, val2;
 726         gchar *s1, *s2;
 727         gint cmp;
 728
 729         static int counter = 0;
 730         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 731
 732         if (!(++counter % 100)) {
 733                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 734                                                          MODEST_HEADER_VIEW_PTR);
 735                 g_signal_emit (header_view,
 736                                signals[STATUS_UPDATE_SIGNAL],
 737                                0, _("Sorting..."), 0, 0);
 738         }
 739
 740         switch (col_id) {
 741
 742                 /* first one, we decide based on the time */
 743         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 744         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 745                 gtk_tree_model_get (tree_model, iter1,
 746                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 747                                     &t1,-1);
 748                 gtk_tree_model_get (tree_model, iter2,
 749                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 750                                     &t2,-1);
 751                 return t1 - t2;
 752
 753         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 754         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 755                 gtk_tree_model_get (tree_model, iter1,
 756                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 757                                     &t1,-1);
 758                 gtk_tree_model_get (tree_model, iter2,
 759                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 760                                     &t2,-1);
 761                 return t1 - t2;
 762
 763
 764                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 765         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 766
 767                 gtk_tree_model_get (tree_model, iter1,
 768                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 769                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 770                                     -1);
 771                 gtk_tree_model_get (tree_model, iter2,
 772                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 773                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 774                                     -1);
 775
 776                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 777                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 778                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 779                                                      TRUE);
 780
 781                 g_free (s1);
 782                 g_free (s2);
 783
 784                 return cmp ? cmp : t1 - t2;
 785         }
 786
 787         case MODEST_HEADER_VIEW_COLUMN_FROM:
 788
 789                 gtk_tree_model_get (tree_model, iter1,
 790                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 791                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 792                                     -1);
 793                 gtk_tree_model_get (tree_model, iter2,
 794                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 795                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 796                                     -1);
 797                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 798                 g_free (s1);
 799                 g_free (s2);
 800
 801                 return cmp ? cmp : t1 - t2;
 802
 803         case MODEST_HEADER_VIEW_COLUMN_TO:
 804
 805                 gtk_tree_model_get (tree_model, iter1,
 806                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 807                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 808                                     -1);
 809                 gtk_tree_model_get (tree_model, iter2,
 810                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 811                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 812                                     -1);
 813                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 814                 g_free (s1);
 815                 g_free (s2);
 816
 817                 return cmp ? cmp : t1 - t2;
 818
 819         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 820
 821                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 822                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 823                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 824                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 825
 826                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 827                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 828
 829                 return cmp ? cmp : t1 - t2;
 830
 831         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 832                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 833                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 834                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 835                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 836                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 837
 838                 return cmp ? cmp : t1 - t2;
 839
 840         default:
 841                 return &iter1 - &iter2; /* oughhhh  */
 842         }
 843 }
 844
 845
 846 static void
 847 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 848                    gpointer user_data)
 849 {
 850         GtkTreeModel *sortable;
 851         ModestHeaderView *self;
 852         ModestHeaderViewPrivate *priv;
 853         GError *error = NULL;
 854
 855         if (cancelled)
 856                 return;
 857
 858         self = MODEST_HEADER_VIEW(user_data);
 859         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 860
 861         priv->folder = folder;
 862         update_state (self);
 863
 864         if (!folder || priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 865                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 866         else { /* it's a new one or a refresh */
 867                 GList *cols, *cursor;
 868
 869                 if (priv->headers)
 870                         g_object_unref (priv->headers);
 871
 872                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 873                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 874                 if (error) {
 875                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 876                                        0, MODEST_ITEM_TYPE_MESSAGE);
 877                         g_print (error->message);
 878                         g_error_free (error);
 879                         return;
 880                 }
 881
 882                 tny_gtk_header_list_model_set_folder
 883                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 884
 885                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 886
 887                 /* install our special sorting functions */
 888                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 889                 while (cursor) {
 890                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 891                                                                          MODEST_HEADER_VIEW_COLUMN));
 892                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 893                                                          col_id,
 894                                                          (GtkTreeIterCompareFunc)cmp_rows,
 895                                                          cursor->data, NULL);
 896                         cursor = g_list_next(cursor);
 897                 }
 898                 g_list_free (cols);
 899
 900                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 901                 modest_header_view_set_style (self, priv->style);
 902         }
 903 }
 904
 905
 906 static void
 907 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 908                                  gint num, gint total,  gpointer user_data)
 909 {
 910         ModestHeaderView *self;
 911         ModestHeaderViewPrivate *priv;
 912
 913         self = MODEST_HEADER_VIEW(user_data);
 914         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 915
 916         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 917                        0, msg, num, total);
 918 }
 919
 920
 921 TnyFolder*
 922 modest_header_view_get_folder (ModestHeaderView *self)
 923 {
 924         ModestHeaderViewPrivate *priv;
 925         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 926
 927         return priv->folder;
 928 }
 929
 930
 931 gboolean
 932 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 933 {
 934         ModestHeaderViewPrivate *priv;
 935         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 936
 937         priv->folder = folder;
 938
 939         if (!folder)  {/* when there is no folder */
 940                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 941                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 942         } else { /* it's a new one or a refresh */
 943                 tny_folder_refresh_async (folder,
 944                                           on_refresh_folder,
 945                                           on_refresh_folder_status_update,
 946                                           self);
 947         }
 948
 949         /* no message selected */
 950         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 951                        NULL);
 952         return TRUE;
 953 }
 954
 955 static void
 956 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 957 {
 958         GtkTreeModel *model;
 959         TnyHeader *header;
 960         GtkTreeIter iter;
 961         ModestHeaderView *self;
 962         ModestHeaderViewPrivate *priv;
 963
 964         g_return_if_fail (sel);
 965         g_return_if_fail (user_data);
 966
 967         self = MODEST_HEADER_VIEW (user_data);
 968         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 969
 970         /* if the folder is empty, nothing to do */
 971         if (priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 972                 return;
 973
 974         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 975                 return; /* msg was _un_selected */
 976
 977         gtk_tree_model_get (model, &iter,
 978                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 979                             &header, -1);
 980
 981         /* Emit signal */
 982         g_signal_emit (G_OBJECT(self),
 983                        signals[HEADER_SELECTED_SIGNAL],
 984                        0, header);
 985 }
 986
 987
 988 /* PROTECTED method. It's useful when we want to force a given
 989    selection to reload a msg. For example if we have selected a header
 990    in offline mode, when Modest become online, we want to reload the
 991    message automatically without an user click over the header */
 992 void
 993 _modest_header_view_change_selection (GtkTreeSelection *selection,
 994                                       gpointer user_data)
 995 {
 996         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 997         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 998
 999         on_selection_changed (selection, user_data);
1000 }