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 <tny-folder-monitor.h>
  34 #include <string.h>
  35
  36 #include <modest-header-view.h>
  37 #include <modest-header-view-priv.h>
  38 #include <modest-dnd.h>
  39
  40 #include <modest-marshal.h>
  41 #include <modest-text-utils.h>
  42 #include <modest-icon-names.h>
  43 #include <modest-runtime.h>
  44
  45 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  46 static void modest_header_view_init        (ModestHeaderView *obj);
  47 static void modest_header_view_finalize    (GObject *obj);
  48
  49 static gboolean     on_header_clicked      (GtkWidget *widget,
  50                                             GdkEventButton *event,
  51                                             gpointer user_data);
  52
  53 static gint         cmp_rows               (GtkTreeModel *tree_model,
  54                                             GtkTreeIter *iter1,
  55                                             GtkTreeIter *iter2,
  56                                             gpointer user_data);
  57
  58 static void         on_selection_changed   (GtkTreeSelection *sel,
  59                                             gpointer user_data);
  60
  61 static void         setup_drag_and_drop    (GtkTreeView *self);
  62
  63
  64 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  65 struct _ModestHeaderViewPrivate {
  66         TnyFolder            *folder;
  67         ModestHeaderViewStyle style;
  68
  69         TnyFolderMonitor     *monitor;
  70         GMutex               *monitor_lock;
  71 };
  72
  73 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  74                                                 MODEST_TYPE_HEADER_VIEW, \
  75                                                 ModestHeaderViewPrivate))
  76
  77
  78
  79 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  80
  81 enum {
  82         HEADER_SELECTED_SIGNAL,
  83         HEADER_ACTIVATED_SIGNAL,
  84         ITEM_NOT_FOUND_SIGNAL,
  85         STATUS_UPDATE_SIGNAL,
  86         LAST_SIGNAL
  87 };
  88
  89 /* globals */
  90 static GObjectClass *parent_class = NULL;
  91
  92 /* uncomment the following if you have defined any signals */
  93 static guint signals[LAST_SIGNAL] = {0};
  94
  95 GType
  96 modest_header_view_get_type (void)
  97 {
  98         static GType my_type = 0;
  99         if (!my_type) {
 100                 static const GTypeInfo my_info = {
 101                         sizeof(ModestHeaderViewClass),
 102                         NULL,           /* base init */
 103                         NULL,           /* base finalize */
 104                         (GClassInitFunc) modest_header_view_class_init,
 105                         NULL,           /* class finalize */
 106                         NULL,           /* class data */
 107                         sizeof(ModestHeaderView),
 108                         1,              /* n_preallocs */
 109                         (GInstanceInitFunc) modest_header_view_init,
 110                         NULL
 111                 };
 112                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 113                                                   "ModestHeaderView",
 114                                                   &my_info, 0);
 115         }
 116         return my_type;
 117 }
 118
 119 static void
 120 modest_header_view_class_init (ModestHeaderViewClass *klass)
 121 {
 122         GObjectClass *gobject_class;
 123         gobject_class = (GObjectClass*) klass;
 124
 125         parent_class            = g_type_class_peek_parent (klass);
 126         gobject_class->finalize = modest_header_view_finalize;
 127
 128         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 129
 130         signals[HEADER_SELECTED_SIGNAL] =
 131                 g_signal_new ("header_selected",
 132                               G_TYPE_FROM_CLASS (gobject_class),
 133                               G_SIGNAL_RUN_FIRST,
 134                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 135                               NULL, NULL,
 136                               g_cclosure_marshal_VOID__POINTER,
 137                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 138
 139         signals[HEADER_ACTIVATED_SIGNAL] =
 140                 g_signal_new ("header_activated",
 141                               G_TYPE_FROM_CLASS (gobject_class),
 142                               G_SIGNAL_RUN_FIRST,
 143                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 144                               NULL, NULL,
 145                               g_cclosure_marshal_VOID__POINTER,
 146                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 147
 148
 149         signals[ITEM_NOT_FOUND_SIGNAL] =
 150                 g_signal_new ("item_not_found",
 151                               G_TYPE_FROM_CLASS (gobject_class),
 152                               G_SIGNAL_RUN_FIRST,
 153                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 154                               NULL, NULL,
 155                               g_cclosure_marshal_VOID__INT,
 156                               G_TYPE_NONE, 1, G_TYPE_INT);
 157
 158         signals[STATUS_UPDATE_SIGNAL] =
 159                 g_signal_new ("status_update",
 160                               G_TYPE_FROM_CLASS (gobject_class),
 161                               G_SIGNAL_RUN_FIRST,
 162                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 163                               NULL, NULL,
 164                               modest_marshal_VOID__STRING_INT_INT,
 165                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 166 }
 167
 168 static GtkTreeViewColumn*
 169 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 170                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 171                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 172 {
 173         GtkTreeViewColumn *column;
 174
 175         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 176         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 177
 178         gtk_tree_view_column_set_resizable (column, resizable);
 179         if (resizable)
 180                 gtk_tree_view_column_set_expand (column, TRUE);
 181
 182         if (show_as_text)
 183                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 184                                                     sort_col_id);
 185         if (sort_col_id >= 0)
 186                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 187
 188         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 189         gtk_tree_view_column_set_reorderable (column, TRUE);
 190
 191         if (cell_data_func)
 192                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 193                                                         user_data, NULL);
 194         return column;
 195 }
 196
 197
 198
 199
 200 static void
 201 remove_all_columns (ModestHeaderView *obj)
 202 {
 203         GList *columns, *cursor;
 204
 205         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 206
 207         for (cursor = columns; cursor; cursor = cursor->next)
 208                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 209                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 210         g_list_free (columns);
 211 }
 212
 213 gboolean
 214 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 215 {
 216         GtkTreeModel *sortable;
 217         GtkTreeViewColumn *column=NULL;
 218         GtkCellRenderer *renderer_msgtype,*renderer_header,
 219                 *renderer_attach;
 220         ModestHeaderViewPrivate *priv;
 221         const GList *cursor;
 222
 223         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 224
 225         /* FIXME: check whether these renderers need to be freed */
 226         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 227         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 228         renderer_header  = gtk_cell_renderer_text_new ();
 229
 230         remove_all_columns (self);
 231
 232         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 233
 234         /* Add new columns */
 235         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 236                 ModestHeaderViewColumn col =
 237                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 238
 239                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 240                         g_printerr ("modest: invalid column %d in column list\n", col);
 241                         continue;
 242                 }
 243
 244                 switch (col) {
 245
 246                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 247                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 248                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 249                                                  FALSE,
 250                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 251                                                  NULL);
 252                         gtk_tree_view_column_set_fixed_width (column, 45);
 253                         break;
 254
 255                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 256                         column = get_new_column (_("A"), renderer_attach, FALSE,
 257                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 258                                                  FALSE,
 259                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 260                                                  NULL);
 261                         gtk_tree_view_column_set_fixed_width (column, 45);
 262                         break;
 263
 264
 265                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 266                         column = get_new_column (_("From"), renderer_header, TRUE,
 267                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 268                                                  TRUE,
 269                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 270                                                  GINT_TO_POINTER(TRUE));
 271                         break;
 272
 273                 case MODEST_HEADER_VIEW_COLUMN_TO:
 274                         column = get_new_column (_("To"), renderer_header, TRUE,
 275                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 276                                                  TRUE,
 277                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 278                                                  GINT_TO_POINTER(FALSE));
 279                         break;
 280
 281                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 282                         column = get_new_column (_("Header"), renderer_header, TRUE,
 283                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 284                                                  TRUE,
 285                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 286                                                  GINT_TO_POINTER(TRUE));
 287                         break;
 288
 289                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 290                         column = get_new_column (_("Header"), renderer_header, TRUE,
 291                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 292                                                  TRUE,
 293                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 294                                                  GINT_TO_POINTER(FALSE));
 295                         break;
 296
 297
 298                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 299                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 300                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 301                                                  TRUE,
 302                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 303                                                  NULL);
 304                         break;
 305
 306                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 307                         column = get_new_column (_("Received"), renderer_header, TRUE,
 308                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 309                                                  TRUE,
 310                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 311                                                  GINT_TO_POINTER(TRUE));
 312                         break;
 313
 314                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 315                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 316                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 317                                                  TRUE,
 318                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 319                                                  GINT_TO_POINTER(FALSE));
 320                         break;
 321
 322                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 323                         column = get_new_column (_("Size"), renderer_header, TRUE,
 324                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 325                                                  FALSE,
 326                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 327                                                  NULL);
 328                         break;
 329
 330                 default:
 331                         g_return_val_if_reached(FALSE);
 332                 }
 333
 334                 if (sortable)
 335                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 336                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 337                                                          column, NULL);
 338
 339                 /* we keep the column id around */
 340                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 341                                    GINT_TO_POINTER(col));
 342
 343                 /* we need this ptr when sorting the rows */
 344                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 345                                    self);
 346                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 347         }
 348
 349         return TRUE;
 350 }
 351
 352 static void
 353 modest_header_view_init (ModestHeaderView *obj)
 354 {
 355         ModestHeaderViewPrivate *priv;
 356
 357         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 358
 359         priv->folder  = NULL;
 360
 361         priv->monitor        = NULL;
 362         priv->monitor_lock   = g_mutex_new ();
 363
 364
 365         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 366 }
 367
 368 static void
 369 modest_header_view_finalize (GObject *obj)
 370 {
 371         ModestHeaderView        *self;
 372         ModestHeaderViewPrivate *priv;
 373
 374         self = MODEST_HEADER_VIEW(obj);
 375         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 376
 377         g_mutex_lock (priv->monitor_lock);
 378         if (priv->monitor) {
 379                 tny_folder_monitor_stop (priv->monitor);
 380                 g_object_unref (G_OBJECT (priv->monitor));
 381         }
 382         g_mutex_unlock (priv->monitor_lock);
 383         g_mutex_free (priv->monitor_lock);
 384
 385         if (priv->folder) {
 386                 g_object_unref (G_OBJECT (priv->folder));
 387                 priv->folder   = NULL;
 388         }
 389
 390         G_OBJECT_CLASS(parent_class)->finalize (obj);
 391 }
 392
 393
 394 GtkWidget*
 395 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 396 {
 397         GObject *obj;
 398         GtkTreeSelection *sel;
 399         ModestHeaderView *self;
 400         ModestHeaderViewPrivate *priv;
 401
 402         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 403                               NULL);
 404
 405         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 406         self = MODEST_HEADER_VIEW(obj);
 407         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 408
 409         modest_header_view_set_style   (self, style);
 410         modest_header_view_set_folder (self, NULL);
 411
 412         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 413         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 414         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 415
 416         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 417                                       TRUE); /* alternating row colors */
 418         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 419
 420         g_signal_connect (sel, "changed",
 421                           G_CALLBACK(on_selection_changed), self);
 422
 423         g_signal_connect (self, "button-press-event",
 424                           G_CALLBACK(on_header_clicked), NULL);
 425
 426         return GTK_WIDGET(self);
 427 }
 428
 429
 430 TnyList *
 431 modest_header_view_get_selected_headers (ModestHeaderView *self)
 432 {
 433         GtkTreeSelection *sel;
 434         ModestHeaderViewPrivate *priv;
 435         TnyList *header_list = NULL;
 436         TnyHeader *header;
 437         GList *list, *tmp = NULL;
 438         GtkTreeModel *tree_model = NULL;
 439         GtkTreeIter iter;
 440
 441         g_return_val_if_fail (self, NULL);
 442
 443         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 444
 445         /* Get selected rows */
 446         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 447         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 448
 449         if (list) {
 450                 header_list = tny_simple_list_new();
 451
 452                 list = g_list_reverse (list);
 453                 tmp = list;
 454                 while (tmp) {
 455                         /* get header from selection */
 456                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 457                         gtk_tree_model_get (tree_model, &iter,
 458                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 459                                             &header, -1);
 460                         /* Prepend to list */
 461                         tny_list_prepend (header_list, G_OBJECT (header));
 462                         g_object_unref (G_OBJECT (header));
 463
 464                         tmp = g_list_next (tmp);
 465                 }
 466                 /* Clean up*/
 467                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 468                 g_list_free (list);
 469         }
 470         return header_list;
 471 }
 472
 473
 474 /* scroll our list view so the selected item is visible */
 475 static void
 476 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 477 {
 478 #if MODEST_PLATFORM_ID==1  /* MODES_PLATFORM_ID: 1 ==> gtk, 2==> maemo */
 479
 480         GtkTreePath *selected_path;
 481         GtkTreePath *start, *end;
 482
 483         GtkTreeModel *model;
 484
 485         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 486         selected_path = gtk_tree_model_get_path (model, iter);
 487
 488         start = gtk_tree_path_new ();
 489         end   = gtk_tree_path_new ();
 490
 491         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 492
 493         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 494             gtk_tree_path_compare (end, selected_path) < 0)
 495                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 496                                               selected_path, NULL, TRUE,
 497                                               up ? 0.0 : 1.0,
 498                                               up ? 0.0 : 1.0);
 499         gtk_tree_path_free (selected_path);
 500         gtk_tree_path_free (start);
 501         gtk_tree_path_free (end);
 502
 503 #endif /* MODEST_PLATFORM_ID */
 504 }
 505
 506
 507 void
 508 modest_header_view_select_next (ModestHeaderView *self)
 509 {
 510         GtkTreeSelection *sel;
 511         GtkTreeIter iter;
 512         GtkTreeModel *model;
 513
 514         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 515         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 516                 if (gtk_tree_model_iter_next (model, &iter)) {
 517                         gtk_tree_selection_select_iter (sel, &iter);
 518                         scroll_to_selected (self, &iter, FALSE);
 519                 }
 520         }
 521 }
 522
 523 void
 524 modest_header_view_select_prev (ModestHeaderView *self)
 525 {
 526         GtkTreeSelection *sel;
 527         GtkTreeIter iter;
 528         GtkTreeModel *model;
 529         GtkTreePath *path;
 530
 531         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 532         if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
 533                 path = gtk_tree_model_get_path (model, &iter);
 534
 535                 /* Move path up */
 536                 if (gtk_tree_path_prev (path)) {
 537                         gtk_tree_model_get_iter (model, &iter, path);
 538
 539                         /* Select the new one */
 540                         gtk_tree_selection_select_iter (sel, &iter);
 541                         scroll_to_selected (self, &iter, TRUE);
 542
 543                 }
 544                 gtk_tree_path_free (path);
 545         }
 546 }
 547
 548 GList*
 549 modest_header_view_get_columns (ModestHeaderView *self)
 550 {
 551         g_return_val_if_fail (self, FALSE);
 552         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 553 }
 554
 555 gboolean
 556 modest_header_view_is_empty (ModestHeaderView *self)
 557 {
 558         g_return_val_if_fail (self, FALSE);
 559         return FALSE; /* FIXME */
 560 }
 561
 562
 563 gboolean
 564 modest_header_view_set_style (ModestHeaderView *self,
 565                               ModestHeaderViewStyle style)
 566 {
 567         ModestHeaderViewPrivate *priv;
 568         gboolean show_col_headers = FALSE;
 569         ModestHeaderViewStyle old_style;
 570
 571         g_return_val_if_fail (self, FALSE);
 572         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 573                               FALSE);
 574
 575         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 576         if (priv->style == style)
 577                 return TRUE; /* nothing to do */
 578
 579         switch (style) {
 580         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 581                 show_col_headers = TRUE;
 582                 break;
 583         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 584                 break;
 585         default:
 586                 g_return_val_if_reached (FALSE);
 587         }
 588         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 589         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 590
 591         old_style   = priv->style;
 592         priv->style = style;
 593
 594         return TRUE;
 595 }
 596
 597
 598 ModestHeaderViewStyle
 599 modest_header_view_get_style (ModestHeaderView *self)
 600 {
 601         g_return_val_if_fail (self, FALSE);
 602         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 603 }
 604
 605 /*
 606  * This function sets a sortable model in the header view. It's just
 607  * used for developing purposes, because it only does a
 608  * gtk_tree_view_set_model
 609  */
 610 static void
 611 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 612 {
 613         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 614
 615         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 616                 GtkTreeModel *old_model;
 617
 618                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 619                 gtk_tree_view_set_model (header_view, model);
 620                 modest_runtime_verify_object_death (old_model, "");
 621                 modest_runtime_verify_object_death (old_model_sort, "");
 622         } else {
 623                 ModestHeaderViewPrivate *priv;
 624
 625                 priv = MODEST_HEADER_VIEW_GET_PRIVATE(header_view);
 626                 g_mutex_lock (priv->monitor_lock);
 627                 if (priv->monitor) {
 628                         tny_folder_monitor_stop (priv->monitor);
 629                         g_object_unref (G_OBJECT (priv->monitor));
 630                         priv->monitor = NULL;
 631                 }
 632                 g_mutex_unlock (priv->monitor_lock);
 633                 gtk_tree_view_set_model (header_view, model);
 634         }
 635
 636         return;
 637 }
 638
 639 static void
 640 on_refresh_folder (TnyFolder   *folder,
 641                    gboolean     cancelled,
 642                    GError     **error,
 643                    gpointer     user_data)
 644 {
 645         GtkTreeModel *sortable;
 646         ModestHeaderView *self;
 647         ModestHeaderViewPrivate *priv;
 648         GList *cols, *cursor;
 649         TnyList *headers;
 650
 651         if (cancelled) {
 652 /*              GtkTreeSelection *selection; */
 653
 654 /*              selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (user_data)); */
 655 /*              gtk_tree_selection_unselect_all (selection); */
 656
 657                 g_warning ("Operation cancelled %s\n", (*error) ? (*error)->message : "unknown");
 658
 659                 return;
 660         }
 661
 662         self = MODEST_HEADER_VIEW(user_data);
 663         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 664
 665         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 666
 667         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 668                                               folder, TRUE);
 669
 670         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 671         g_object_unref (G_OBJECT (headers));
 672
 673         /* install our special sorting functions */
 674         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 675         while (cursor) {
 676                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 677                                                                  MODEST_HEADER_VIEW_COLUMN));
 678                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 679                                                  col_id,
 680                                                  (GtkTreeIterCompareFunc) cmp_rows,
 681                                                  cursor->data, NULL);
 682                 cursor = g_list_next(cursor);
 683         }
 684         g_list_free (cols);
 685
 686         /* Add a folder observer */
 687         g_mutex_lock (priv->monitor_lock);
 688         if (priv->monitor) {
 689                 tny_folder_monitor_stop (priv->monitor);
 690                 g_object_unref (G_OBJECT (priv->monitor));
 691         }
 692         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 693         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 694         tny_folder_monitor_start (priv->monitor);
 695         g_mutex_unlock (priv->monitor_lock);
 696
 697         /* Set new model */
 698         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 699         g_object_unref (G_OBJECT (sortable));
 700 }
 701
 702
 703 static void
 704 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 705                                  gint num, gint total,  gpointer user_data)
 706 {
 707         ModestHeaderView *self;
 708         ModestHeaderViewPrivate *priv;
 709
 710         self = MODEST_HEADER_VIEW(user_data);
 711         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 712
 713         /* FIXME: this is a hack ==> tinymail gives us this when
 714          * it has nothing better to do */
 715         if (num == 1 && total == 100)
 716                 return;
 717
 718         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 719                        0, msg, num, total);
 720 }
 721
 722
 723 TnyFolder*
 724 modest_header_view_get_folder (ModestHeaderView *self)
 725 {
 726         ModestHeaderViewPrivate *priv;
 727         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 728
 729         if (priv->folder)
 730                 g_object_ref (priv->folder);
 731
 732         return priv->folder;
 733 }
 734
 735
 736 void
 737 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 738 {
 739         ModestHeaderViewPrivate *priv;
 740         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 741
 742         if (priv->folder) {
 743                 g_object_unref (priv->folder);
 744                 priv->folder = NULL;
 745         }
 746
 747         if (folder) {
 748
 749                 priv->folder = g_object_ref (folder);
 750
 751                 tny_folder_refresh_async (folder,
 752                                           on_refresh_folder,
 753                                           on_refresh_folder_status_update,
 754                                           self);
 755
 756                 /* no message selected */
 757                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 758                                NULL);
 759         } else {
 760                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 761         }
 762 }
 763
 764 static gboolean
 765 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 766 {
 767         ModestHeaderView *self;
 768         ModestHeaderViewPrivate *priv;
 769         GtkTreeIter iter;
 770         GtkTreeSelection *sel;
 771         GtkTreeModel *model;
 772         TnyHeader *header;
 773
 774         /* ignore everything but doubleclick */
 775         if (event->type != GDK_2BUTTON_PRESS)
 776                 return FALSE;
 777
 778         self = MODEST_HEADER_VIEW (widget);
 779         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 780
 781         sel   = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 782         model = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 783
 784         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 785                 return FALSE; /* msg was _un_selected */
 786
 787         /* get the first selected item */
 788         gtk_tree_model_get (model, &iter,
 789                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 790                             &header, -1);
 791         /* Emit signal */
 792         g_signal_emit (G_OBJECT(self),
 793                        signals[HEADER_ACTIVATED_SIGNAL],
 794                        0, header);
 795
 796         /* Free */
 797         g_object_unref (G_OBJECT (header));
 798
 799         return TRUE;
 800 }
 801
 802
 803 static void
 804 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 805 {
 806         GtkTreeModel *model;
 807         TnyHeader *header;
 808         GtkTreeIter iter;
 809         ModestHeaderView *self;
 810         ModestHeaderViewPrivate *priv;
 811
 812         g_return_if_fail (sel);
 813         g_return_if_fail (user_data);
 814
 815         self = MODEST_HEADER_VIEW (user_data);
 816         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 817
 818         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 819                 return; /* msg was _un_selected */
 820
 821         gtk_tree_model_get (model, &iter,
 822                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 823                             &header, -1);
 824
 825         /* Emit signal */
 826         g_signal_emit (G_OBJECT(self),
 827                        signals[HEADER_SELECTED_SIGNAL],
 828                        0, header);
 829
 830         g_object_unref (G_OBJECT (header));
 831 }
 832
 833
 834 /* PROTECTED method. It's useful when we want to force a given
 835    selection to reload a msg. For example if we have selected a header
 836    in offline mode, when Modest become online, we want to reload the
 837    message automatically without an user click over the header */
 838 void
 839 _modest_header_view_change_selection (GtkTreeSelection *selection,
 840                                       gpointer user_data)
 841 {
 842         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 843         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 844
 845         on_selection_changed (selection, user_data);
 846 }
 847
 848
 849 static gint
 850 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 851           gpointer user_data)
 852 {
 853         gint col_id;
 854         gint t1, t2;
 855         gint val1, val2;
 856         gchar *s1, *s2;
 857         gint cmp;
 858
 859         static int counter = 0;
 860         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 861
 862         if (!(++counter % 100)) {
 863                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 864                                                          MODEST_HEADER_VIEW_PTR);
 865                 g_signal_emit (header_view,
 866                                signals[STATUS_UPDATE_SIGNAL],
 867                                0, _("Sorting..."), 0, 0);
 868         }
 869         switch (col_id) {
 870
 871                 /* first one, we decide based on the time */
 872         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 873         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 874
 875                 gtk_tree_model_get (tree_model, iter1,
 876                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 877                                     &t1,-1);
 878                 gtk_tree_model_get (tree_model, iter2,
 879                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 880                                     &t2,-1);
 881                 return t1 - t2;
 882
 883         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 884         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 885                 gtk_tree_model_get (tree_model, iter1,
 886                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 887                                     &t1,-1);
 888                 gtk_tree_model_get (tree_model, iter2,
 889                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 890                                     &t2,-1);
 891                 return t1 - t2;
 892
 893
 894                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 895                 /* FIXME: what about received-date? */
 896         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 897
 898                 gtk_tree_model_get (tree_model, iter1,
 899                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 900                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 901                                     -1);
 902                 gtk_tree_model_get (tree_model, iter2,
 903                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 904                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 905                                     -1);
 906
 907                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 908                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 909                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 910                                                      TRUE);
 911                 g_free (s1);
 912                 g_free (s2);
 913
 914                 return cmp ? cmp : t1 - t2;
 915         }
 916
 917         case MODEST_HEADER_VIEW_COLUMN_FROM:
 918
 919                 gtk_tree_model_get (tree_model, iter1,
 920                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 921                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 922                                     -1);
 923                 gtk_tree_model_get (tree_model, iter2,
 924                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 925                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 926                                     -1);
 927                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 928                 g_free (s1);
 929                 g_free (s2);
 930
 931                 return cmp ? cmp : t1 - t2;
 932
 933         case MODEST_HEADER_VIEW_COLUMN_TO:
 934
 935                 gtk_tree_model_get (tree_model, iter1,
 936                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 937                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 938                                     -1);
 939                 gtk_tree_model_get (tree_model, iter2,
 940                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 941                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 942                                     -1);
 943                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 944                 g_free (s1);
 945                 g_free (s2);
 946
 947                 return cmp ? cmp : t1 - t2;
 948
 949         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 950
 951                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 952                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 953                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 954                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 955
 956                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 957                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 958
 959                 return cmp ? cmp : t1 - t2;
 960
 961         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 962                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 963                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 964                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 965                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 966                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 967
 968                 return cmp ? cmp : t1 - t2;
 969
 970         default:
 971                 return &iter1 - &iter2; /* oughhhh  */
 972         }
 973 }
 974
 975 /* Drag and drop stuff */
 976 static void
 977 drag_data_get_cb (GtkWidget *widget,
 978                   GdkDragContext *context,
 979                   GtkSelectionData *selection_data,
 980                   guint info,
 981                   guint time,
 982                   gpointer data)
 983 {
 984         GtkTreeSelection *selection;
 985         GtkTreeModel *model;
 986         GtkTreeIter iter;
 987         GtkTreePath *source_row;
 988
 989         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 990         gtk_tree_selection_get_selected (selection, &model, &iter);
 991         source_row = gtk_tree_model_get_path (model, &iter);
 992
 993         gtk_tree_set_row_drag_data (selection_data,
 994                                     model,
 995                                     source_row);
 996
 997         gtk_tree_path_free (source_row);
 998 }
 999
1000 /* Header view drag types */
1001 const GtkTargetEntry header_view_drag_types[] =
1002 {
1003         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, HEADER_ROW }
1004 };
1005
1006 static void
1007 setup_drag_and_drop (GtkTreeView *self)
1008 {
1009         gtk_drag_source_set (GTK_WIDGET (self),
1010                              GDK_BUTTON1_MASK,
1011                              header_view_drag_types,
1012                              G_N_ELEMENTS (header_view_drag_types),
1013                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1014
1015         gtk_signal_connect(GTK_OBJECT (self),
1016                            "drag_data_get",
1017                            GTK_SIGNAL_FUNC(drag_data_get_cb),
1018                            NULL);
1019 }