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                 gtk_tree_view_column_set_expand (column, TRUE);
 292         }
 293
 294         if (show_as_text)
 295                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 296                                                     sort_col_id);
 297         if (sort_col_id >= 0)
 298                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 299
 300         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 301         gtk_tree_view_column_set_reorderable (column, TRUE);
 302         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 303
 304         if (cell_data_func)
 305                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 306                                                         user_data, NULL);
 307         return column;
 308 }
 309
 310
 311
 312
 313 static void
 314 remove_all_columns (ModestHeaderView *obj)
 315 {
 316         GList *columns, *cursor;
 317
 318         gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
 319
 320         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 321
 322         for (cursor = columns; cursor; cursor = cursor->next)
 323                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 324                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 325         g_list_free (columns);
 326 }
 327
 328
 329
 330 static gboolean
 331 set_empty (ModestHeaderView *self)
 332 {
 333         ModestHeaderViewPrivate *priv;
 334         GtkTreeViewColumn *column;
 335         GtkListStore *store;
 336         GtkTreeIter iter;
 337
 338         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 339
 340         remove_all_columns (self);
 341
 342         store = gtk_list_store_new (1, G_TYPE_STRING);
 343         gtk_list_store_append (store, &iter);
 344         gtk_list_store_set (store, &iter, 0, _("<b>(No items in this folder)</b>"), -1);
 345         gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 346         g_object_unref (store);
 347
 348         column = gtk_tree_view_column_new_with_attributes ("", gtk_cell_renderer_text_new(),
 349                                                            "markup", 0, NULL);
 350         gtk_tree_view_column_set_resizable (column, FALSE);
 351         gtk_tree_view_column_set_alignment (column, 0.5);
 352
 353         gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 354         priv->state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 355
 356         return TRUE;
 357 }
 358
 359
 360
 361 ModestHeaderViewState
 362 modest_header_view_get_state (ModestHeaderView *self)
 363 {
 364         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
 365
 366         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 367 }
 368
 369
 370 static void
 371 set_state (ModestHeaderView *self, ModestHeaderViewState state)
 372 {
 373         ModestHeaderViewState oldstate =
 374                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 375
 376         if (oldstate != state) {
 377                 if ((oldstate & MODEST_HEADER_VIEW_STATE_IS_EMPTY) !=
 378                     (state & MODEST_HEADER_VIEW_STATE_IS_EMPTY))
 379                         set_empty (self);
 380
 381                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state = state;
 382                 /* FIXME: emit signal if the state changed*/
 383         }
 384 }
 385
 386
 387 static void
 388 update_state (ModestHeaderView *self)
 389 {
 390         GtkTreePath *path;
 391         GtkTreeSelection *sel;
 392         ModestHeaderViewState state = 0;
 393         ModestHeaderViewPrivate *priv;
 394
 395         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 396
 397         if (!priv->folder || tny_folder_get_all_count(priv->folder) == 0)
 398                 state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 399         else {
 400                 gtk_tree_view_get_cursor (GTK_TREE_VIEW(self), &path, NULL);
 401                 if (path) {
 402                         GtkTreePath *path2;
 403
 404                         state |= MODEST_HEADER_VIEW_STATE_HAS_CURSOR;
 405                         path2= gtk_tree_path_copy (path);
 406
 407                         gtk_tree_path_next (path);
 408                         if (gtk_tree_path_compare (path, path2) != 0)
 409                                 state |= MODEST_HEADER_VIEW_STATE_AT_LAST_ITEM;
 410
 411                         if (!gtk_tree_path_prev (path2))
 412                                 state |= MODEST_HEADER_VIEW_STATE_AT_FIRST_ITEM;
 413
 414                         gtk_tree_path_free (path);
 415                         gtk_tree_path_free (path2);
 416                 }
 417
 418                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(self));
 419                 if (sel) {
 420                         state |= MODEST_HEADER_VIEW_STATE_HAS_SELECTION;
 421                         if (gtk_tree_selection_count_selected_rows (sel) > 1)
 422                                 state |= MODEST_HEADER_VIEW_STATE_HAS_MULTIPLE_SELECTION;
 423                 }
 424         }
 425
 426         set_state (self, state);
 427 }
 428
 429
 430
 431 gboolean
 432 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 433 {
 434         GtkTreeViewColumn *column=NULL;
 435         GtkCellRenderer *renderer_msgtype,
 436                 *renderer_header,
 437                 *renderer_attach;
 438
 439         ModestHeaderViewPrivate *priv;
 440         const GList *cursor;
 441
 442         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 443
 444         /* FIXME: check whether these renderers need to be freed */
 445         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 446         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 447         renderer_header  = gtk_cell_renderer_text_new ();
 448
 449         remove_all_columns (self);
 450
 451         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 452                 ModestHeaderViewColumn col =
 453                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 454
 455                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 456                         g_printerr ("modest: invalid column %d in column list\n", col);
 457                         continue;
 458                 }
 459
 460                 switch (col) {
 461
 462                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 463                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 464                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 465                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 466                                                  NULL);
 467                         gtk_tree_view_column_set_fixed_width (column, 32);
 468                         break;
 469
 470                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 471                         column = get_new_column (_("A"), renderer_attach, FALSE,
 472                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 473                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 474                                                  NULL);
 475                         gtk_tree_view_column_set_fixed_width (column, 32);
 476                         break;
 477
 478                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 479                         column = get_new_column (_("Received"), renderer_header, TRUE,
 480                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 481                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 482                                                  NULL);
 483                         break;
 484
 485                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 486                         column = get_new_column (_("From"), renderer_header, TRUE,
 487                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 488                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 489                                                  GINT_TO_POINTER(TRUE));
 490                         break;
 491
 492                 case MODEST_HEADER_VIEW_COLUMN_TO:
 493                         column = get_new_column (_("To"), renderer_header, TRUE,
 494                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 495                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 496                                                  GINT_TO_POINTER(FALSE));
 497                         break;
 498
 499                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 500                         column = get_new_column (_("Header"), renderer_header, TRUE,
 501                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 502                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 503                                                  GINT_TO_POINTER(TRUE));
 504                         break;
 505
 506                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 507                                                 column = get_new_column (_("Header"), renderer_header, TRUE,
 508                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 509                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 510                                                  GINT_TO_POINTER(FALSE));
 511                         break;
 512
 513
 514                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 515                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 516                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 517                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 518                                                  NULL);
 519                         break;
 520
 521
 522                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 523                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 524                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 525                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 526                                                  NULL);
 527                         break;
 528
 529                 default:
 530                         g_assert_not_reached ();
 531                 }
 532
 533                 /* we keep the column id around */
 534                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 535                                    GINT_TO_POINTER(col));
 536
 537                 /* we need this ptr when sorting the rows */
 538                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 539                                    self);
 540
 541                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 542         }
 543         return TRUE;
 544 }
 545
 546
 547
 548 static void
 549 modest_header_view_init (ModestHeaderView *obj)
 550 {
 551         ModestHeaderViewPrivate *priv;
 552         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 553
 554         priv->lock = g_mutex_new ();
 555         priv->sig1 = 0;
 556 }
 557
 558 static void
 559 modest_header_view_finalize (GObject *obj)
 560 {
 561         ModestHeaderView        *self;
 562         ModestHeaderViewPrivate *priv;
 563         GtkTreeSelection        *sel;
 564
 565         self = MODEST_HEADER_VIEW(obj);
 566         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 567
 568         if (priv->headers)
 569                 g_object_unref (G_OBJECT(priv->headers));
 570
 571         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 572
 573         if (sel && priv->sig1 != 0) {
 574                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 575                 priv->sig1 = 0;
 576         }
 577
 578         if (priv->lock) {
 579                 g_mutex_free (priv->lock);
 580                 priv->lock = NULL;
 581         }
 582
 583         priv->headers  = NULL;
 584         priv->folder   = NULL;
 585
 586         G_OBJECT_CLASS(parent_class)->finalize (obj);
 587 }
 588
 589 GtkWidget*
 590 modest_header_view_new (TnyFolder *folder, const GList *columns,
 591                         ModestHeaderViewStyle style)
 592 {
 593         GObject *obj;
 594         GtkTreeSelection *sel;
 595         ModestHeaderView *self;
 596         ModestHeaderViewPrivate *priv;
 597
 598         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 599         self = MODEST_HEADER_VIEW(obj);
 600         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 601
 602         modest_header_view_set_style   (self, style);
 603         modest_header_view_set_columns (self, columns);
 604
 605         if (!modest_header_view_set_folder (self, NULL)) {
 606                 g_warning ("could not set the folder");
 607                 g_object_unref (obj);
 608                 return NULL;
 609         }
 610
 611         /* all cols */
 612         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 613         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 614
 615         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 616                                       TRUE); /* alternating row colors */
 617
 618         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 619
 620         priv->sig1 = g_signal_connect (sel, "changed",
 621                                        G_CALLBACK(on_selection_changed), self);
 622         return GTK_WIDGET(self);
 623 }
 624
 625
 626 TnyList *
 627 modest_header_view_get_selected_headers (ModestHeaderView *self)
 628 {
 629         GtkTreeSelection *sel;
 630         ModestHeaderViewPrivate *priv;
 631         TnyList *header_list = NULL;
 632         TnyHeader *header;
 633         GList *list, *tmp = NULL;
 634         GtkTreeModel *tree_model = NULL;
 635         GtkTreeIter iter;
 636
 637         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 638
 639         /* Get selected rows */
 640         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 641         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 642
 643         if (list) {
 644                 header_list = tny_simple_list_new();
 645
 646                 list = g_list_reverse (list);
 647                 tmp = list;
 648                 while (tmp) {
 649                         /* get header from selection */
 650                         gtk_tree_model_get_iter (tree_model,
 651                                                  &iter,
 652                                                  (GtkTreePath *) (tmp->data));
 653
 654                         gtk_tree_model_get (tree_model, &iter,
 655                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 656                                             &header, -1);
 657
 658                         /* Prepend to list */
 659                         tny_list_prepend (header_list, G_OBJECT (header));
 660                         tmp = g_list_next (tmp);
 661                 }
 662                 /* Clean up*/
 663                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 664                 g_list_free (list);
 665         }
 666         return header_list;
 667 }
 668
 669 void
 670 modest_header_view_select_next (ModestHeaderView *self)
 671 {
 672         GtkTreeSelection *sel;
 673         GtkTreeIter iter;
 674         GtkTreeModel *model;
 675
 676         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 677         if (sel) {
 678                 gtk_tree_selection_get_selected (sel, &model, &iter);
 679                 gtk_tree_model_iter_next (model, &iter);
 680                 gtk_tree_selection_select_iter (sel, &iter);
 681         }
 682 }
 683
 684 GList*
 685 modest_header_view_get_columns (ModestHeaderView *self)
 686 {
 687         g_return_val_if_fail (self, FALSE);
 688         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 689 }
 690
 691 gboolean
 692 modest_header_view_set_style (ModestHeaderView *self,
 693                               ModestHeaderViewStyle style)
 694 {
 695         g_return_val_if_fail (self, FALSE);
 696
 697         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 698
 699         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
 700                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 701         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
 702                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 703
 704         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
 705         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
 706                                       TRUE); /* alternating row colors */
 707
 708         return TRUE;
 709 }
 710
 711
 712 ModestHeaderViewStyle
 713 modest_header_view_get_style (ModestHeaderView *self)
 714 {
 715         g_return_val_if_fail (self, FALSE);
 716
 717         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 718 }
 719
 720
 721 static gint
 722 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 723           gpointer user_data)
 724 {
 725         gint col_id;
 726         gint t1, t2;
 727         gint val1, val2;
 728         gchar *s1, *s2;
 729         gint cmp;
 730
 731         static int counter = 0;
 732         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 733
 734         if (!(++counter % 100)) {
 735                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 736                                                          MODEST_HEADER_VIEW_PTR);
 737                 g_signal_emit (header_view,
 738                                signals[STATUS_UPDATE_SIGNAL],
 739                                0, _("Sorting..."), 0, 0);
 740         }
 741
 742         switch (col_id) {
 743
 744                 /* first one, we decide based on the time */
 745         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 746         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 747                 gtk_tree_model_get (tree_model, iter1,
 748                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 749                                     &t1,-1);
 750                 gtk_tree_model_get (tree_model, iter2,
 751                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 752                                     &t2,-1);
 753                 return t1 - t2;
 754
 755         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 756         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 757                 gtk_tree_model_get (tree_model, iter1,
 758                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 759                                     &t1,-1);
 760                 gtk_tree_model_get (tree_model, iter2,
 761                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 762                                     &t2,-1);
 763                 return t1 - t2;
 764
 765
 766                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 767         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 768
 769                 gtk_tree_model_get (tree_model, iter1,
 770                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 771                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 772                                     -1);
 773                 gtk_tree_model_get (tree_model, iter2,
 774                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 775                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 776                                     -1);
 777
 778                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 779                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 780                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 781                                                      TRUE);
 782
 783                 g_free (s1);
 784                 g_free (s2);
 785
 786                 return cmp ? cmp : t1 - t2;
 787         }
 788
 789         case MODEST_HEADER_VIEW_COLUMN_FROM:
 790
 791                 gtk_tree_model_get (tree_model, iter1,
 792                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 793                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 794                                     -1);
 795                 gtk_tree_model_get (tree_model, iter2,
 796                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 797                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 798                                     -1);
 799                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 800                 g_free (s1);
 801                 g_free (s2);
 802
 803                 return cmp ? cmp : t1 - t2;
 804
 805         case MODEST_HEADER_VIEW_COLUMN_TO:
 806
 807                 gtk_tree_model_get (tree_model, iter1,
 808                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 809                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 810                                     -1);
 811                 gtk_tree_model_get (tree_model, iter2,
 812                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 813                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 814                                     -1);
 815                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 816                 g_free (s1);
 817                 g_free (s2);
 818
 819                 return cmp ? cmp : t1 - t2;
 820
 821         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 822
 823                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 824                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 825                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 826                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 827
 828                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 829                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 830
 831                 return cmp ? cmp : t1 - t2;
 832
 833         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 834                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 835                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 836                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 837                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 838                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 839
 840                 return cmp ? cmp : t1 - t2;
 841
 842         default:
 843                 return &iter1 - &iter2; /* oughhhh  */
 844         }
 845 }
 846
 847
 848 static void
 849 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 850                    gpointer user_data)
 851 {
 852         GtkTreeModel *sortable;
 853         ModestHeaderView *self;
 854         ModestHeaderViewPrivate *priv;
 855         GError *error = NULL;
 856
 857         if (cancelled)
 858                 return;
 859
 860         self = MODEST_HEADER_VIEW(user_data);
 861         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 862
 863         priv->folder = folder;
 864         update_state (self);
 865
 866         if (!folder || priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 867                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 868         else { /* it's a new one or a refresh */
 869                 GList *cols, *cursor;
 870
 871                 if (priv->headers)
 872                         g_object_unref (priv->headers);
 873
 874                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 875                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 876                 if (error) {
 877                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 878                                        0, MODEST_ITEM_TYPE_MESSAGE);
 879                         g_print (error->message);
 880                         g_error_free (error);
 881                         return;
 882                 }
 883
 884                 tny_gtk_header_list_model_set_folder
 885                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 886
 887                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 888
 889                 /* install our special sorting functions */
 890                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 891                 while (cursor) {
 892                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 893                                                                          MODEST_HEADER_VIEW_COLUMN));
 894                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 895                                                          col_id,
 896                                                          (GtkTreeIterCompareFunc)cmp_rows,
 897                                                          cursor->data, NULL);
 898                         cursor = g_list_next(cursor);
 899                 }
 900                 g_list_free (cols);
 901
 902                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 903                 modest_header_view_set_style (self, priv->style);
 904         }
 905 }
 906
 907
 908 static void
 909 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 910                                  gint num, gint total,  gpointer user_data)
 911 {
 912         ModestHeaderView *self;
 913         ModestHeaderViewPrivate *priv;
 914
 915         self = MODEST_HEADER_VIEW(user_data);
 916         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 917
 918         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 919                        0, msg, num, total);
 920 }
 921
 922
 923 TnyFolder*
 924 modest_header_view_get_folder (ModestHeaderView *self)
 925 {
 926         ModestHeaderViewPrivate *priv;
 927         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 928
 929         return priv->folder;
 930 }
 931
 932
 933 gboolean
 934 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 935 {
 936         ModestHeaderViewPrivate *priv;
 937         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 938
 939         priv->folder = folder;
 940
 941         if (!folder)  {/* when there is no folder */
 942                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 943                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 944         } else { /* it's a new one or a refresh */
 945                 tny_folder_refresh_async (folder,
 946                                           on_refresh_folder,
 947                                           on_refresh_folder_status_update,
 948                                           self);
 949         }
 950
 951         /* no message selected */
 952         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 953                        NULL);
 954         return TRUE;
 955 }
 956
 957 static void
 958 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 959 {
 960         GtkTreeModel *model;
 961         TnyHeader *header;
 962         GtkTreeIter iter;
 963         ModestHeaderView *self;
 964         ModestHeaderViewPrivate *priv;
 965
 966         g_return_if_fail (sel);
 967         g_return_if_fail (user_data);
 968
 969         self = MODEST_HEADER_VIEW (user_data);
 970         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 971
 972         /* if the folder is empty, nothing to do */
 973         if (priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 974                 return;
 975
 976         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 977                 return; /* msg was _un_selected */
 978
 979         gtk_tree_model_get (model, &iter,
 980                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 981                             &header, -1);
 982
 983         /* Emit signal */
 984         g_signal_emit (G_OBJECT(self),
 985                        signals[HEADER_SELECTED_SIGNAL],
 986                        0, header);
 987 }
 988
 989
 990 /* PROTECTED method. It's useful when we want to force a given
 991    selection to reload a msg. For example if we have selected a header
 992    in offline mode, when Modest become online, we want to reload the
 993    message automatically without an user click over the header */
 994 void
 995 _modest_header_view_change_selection (GtkTreeSelection *selection,
 996                                       gpointer user_data)
 997 {
 998         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 999         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
1000
1001         on_selection_changed (selection, user_data);
1002 }