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_FIXED);
 287
 288         gtk_tree_view_column_set_resizable (column, resizable);
 289         if (resizable)
 290                 gtk_tree_view_column_set_min_width (column, 100);
 291
 292         if (show_as_text)
 293                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 294                                                     sort_col_id);
 295         if (sort_col_id >= 0)
 296                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 297
 298         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 299         gtk_tree_view_column_set_reorderable (column, TRUE);
 300
 301         if (cell_data_func)
 302                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 303                                                         user_data, NULL);
 304         return column;
 305 }
 306
 307
 308
 309
 310 static void
 311 remove_all_columns (ModestHeaderView *obj)
 312 {
 313         GList *columns, *cursor;
 314
 315         gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
 316
 317         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 318
 319         for (cursor = columns; cursor; cursor = cursor->next)
 320                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 321                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 322         g_list_free (columns);
 323 }
 324
 325
 326
 327 static gboolean
 328 set_empty (ModestHeaderView *self)
 329 {
 330         ModestHeaderViewPrivate *priv;
 331         GtkTreeViewColumn *column;
 332         GtkListStore *store;
 333         GtkTreeIter iter;
 334
 335         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 336
 337         remove_all_columns (self);
 338
 339         store = gtk_list_store_new (1, G_TYPE_STRING);
 340         gtk_list_store_append (store, &iter);
 341         gtk_list_store_set (store, &iter, 0, _("<b>(No items in this folder)</b>"), -1);
 342         gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
 343         g_object_unref (store);
 344
 345         column = gtk_tree_view_column_new_with_attributes ("", gtk_cell_renderer_text_new(),
 346                                                            "markup", 0, NULL);
 347         gtk_tree_view_column_set_resizable (column, FALSE);
 348         gtk_tree_view_column_set_alignment (column, 0.5);
 349
 350         gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 351         priv->state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 352
 353         return TRUE;
 354 }
 355
 356
 357
 358 ModestHeaderViewState
 359 modest_header_view_get_state (ModestHeaderView *self)
 360 {
 361         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
 362
 363         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 364 }
 365
 366
 367 static void
 368 set_state (ModestHeaderView *self, ModestHeaderViewState state)
 369 {
 370         ModestHeaderViewState oldstate =
 371                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
 372
 373         if (oldstate != state) {
 374                 if (oldstate & MODEST_HEADER_VIEW_STATE_IS_EMPTY !=
 375                     state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 376                         set_empty (self);
 377
 378                 MODEST_HEADER_VIEW_GET_PRIVATE(self)->state = state;
 379                 /* FIXME: emit signal if the state changed*/
 380         }
 381 }
 382
 383
 384 static void
 385 update_state (ModestHeaderView *self)
 386 {
 387         GtkTreePath *path;
 388         GtkTreeSelection *sel;
 389         ModestHeaderViewState state = 0;
 390         ModestHeaderViewPrivate *priv;
 391
 392         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 393
 394         if (!priv->folder || tny_folder_get_all_count(priv->folder) == 0)
 395                 state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
 396         else {
 397                 gtk_tree_view_get_cursor (GTK_TREE_VIEW(self), &path, NULL);
 398                 if (path) {
 399                         GtkTreePath *path2;
 400
 401                         state |= MODEST_HEADER_VIEW_STATE_HAS_CURSOR;
 402                         path2= gtk_tree_path_copy (path);
 403
 404                         gtk_tree_path_next (path);
 405                         if (gtk_tree_path_compare (path, path2) != 0)
 406                                 state |= MODEST_HEADER_VIEW_STATE_AT_LAST_ITEM;
 407
 408                         if (!gtk_tree_path_prev (path2))
 409                                 state |= MODEST_HEADER_VIEW_STATE_AT_FIRST_ITEM;
 410
 411                         gtk_tree_path_free (path);
 412                         gtk_tree_path_free (path2);
 413                 }
 414
 415                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(self));
 416                 if (sel) {
 417                         state |= MODEST_HEADER_VIEW_STATE_HAS_SELECTION;
 418                         if (gtk_tree_selection_count_selected_rows (sel) > 1)
 419                                 state |= MODEST_HEADER_VIEW_STATE_HAS_MULTIPLE_SELECTION;
 420                 }
 421         }
 422
 423         set_state (self, state);
 424 }
 425
 426
 427
 428 gboolean
 429 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 430 {
 431         GtkTreeViewColumn *column=NULL;
 432         GtkCellRenderer *renderer_msgtype,
 433                 *renderer_header,
 434                 *renderer_attach;
 435
 436         ModestHeaderViewPrivate *priv;
 437         const GList *cursor;
 438
 439         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 440
 441         /* FIXME: check whether these renderers need to be freed */
 442         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 443         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 444         renderer_header  = gtk_cell_renderer_text_new ();
 445
 446         remove_all_columns (self);
 447
 448         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 449                 ModestHeaderViewColumn col =
 450                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 451
 452                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 453                         g_printerr ("modest: invalid column %d in column list\n", col);
 454                         continue;
 455                 }
 456
 457                 switch (col) {
 458
 459                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 460                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 461                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 462                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 463                                                  NULL);
 464                         gtk_tree_view_column_set_fixed_width (column, 32);
 465                         break;
 466
 467                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 468                         column = get_new_column (_("A"), renderer_attach, FALSE,
 469                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 470                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 471                                                  NULL);
 472                         gtk_tree_view_column_set_fixed_width (column, 32);
 473                         break;
 474
 475                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 476                         column = get_new_column (_("Received"), renderer_header, TRUE,
 477                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 478                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 479                                                  NULL);
 480                         break;
 481
 482                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 483                         column = get_new_column (_("From"), renderer_header, TRUE,
 484                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 485                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 486                                                  GINT_TO_POINTER(TRUE));
 487                         break;
 488
 489                 case MODEST_HEADER_VIEW_COLUMN_TO:
 490                         column = get_new_column (_("To"), renderer_header, TRUE,
 491                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 492                                                  TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
 493                                                  GINT_TO_POINTER(FALSE));
 494                         break;
 495
 496                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 497                         column = get_new_column (_("Header"), renderer_header, TRUE,
 498                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 499                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 500                                                  GINT_TO_POINTER(TRUE));
 501                         break;
 502
 503                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 504                                                 column = get_new_column (_("Header"), renderer_header, TRUE,
 505                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 506                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 507                                                  GINT_TO_POINTER(FALSE));
 508                         break;
 509
 510
 511                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 512                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 513                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 514                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 515                                                  NULL);
 516                         break;
 517
 518
 519                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 520                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 521                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 522                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 523                                                  NULL);
 524                         break;
 525
 526                 default:
 527                         g_assert_not_reached ();
 528                 }
 529
 530                 /* we keep the column id around */
 531                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 532                                    GINT_TO_POINTER(col));
 533
 534                 /* we need this ptr when sorting the rows */
 535                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 536                                    self);
 537
 538                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 539         }
 540         return TRUE;
 541 }
 542
 543
 544
 545 static void
 546 modest_header_view_init (ModestHeaderView *obj)
 547 {
 548         ModestHeaderViewPrivate *priv;
 549         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 550
 551         priv->lock = g_mutex_new ();
 552         priv->sig1 = 0;
 553 }
 554
 555 static void
 556 modest_header_view_finalize (GObject *obj)
 557 {
 558         ModestHeaderView        *self;
 559         ModestHeaderViewPrivate *priv;
 560         GtkTreeSelection        *sel;
 561
 562         self = MODEST_HEADER_VIEW(obj);
 563         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 564
 565         if (priv->headers)
 566                 g_object_unref (G_OBJECT(priv->headers));
 567
 568         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 569
 570         if (sel && priv->sig1 != 0) {
 571                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig1);
 572                 priv->sig1 = 0;
 573         }
 574
 575         if (priv->lock) {
 576                 g_mutex_free (priv->lock);
 577                 priv->lock = NULL;
 578         }
 579
 580         priv->headers  = NULL;
 581         priv->folder   = NULL;
 582
 583         G_OBJECT_CLASS(parent_class)->finalize (obj);
 584 }
 585
 586 GtkWidget*
 587 modest_header_view_new (TnyFolder *folder, const GList *columns,
 588                         ModestHeaderViewStyle style)
 589 {
 590         GObject *obj;
 591         GtkTreeSelection *sel;
 592         ModestHeaderView *self;
 593         ModestHeaderViewPrivate *priv;
 594
 595         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 596         self = MODEST_HEADER_VIEW(obj);
 597         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 598
 599         modest_header_view_set_style   (self, style);
 600         modest_header_view_set_columns (self, columns);
 601
 602         if (!modest_header_view_set_folder (self, NULL)) {
 603                 g_warning ("could not set the folder");
 604                 g_object_unref (obj);
 605                 return NULL;
 606         }
 607
 608         /* all cols */
 609         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 610
 611         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 612                                       TRUE); /* alternating row colors */
 613
 614         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 615
 616         priv->sig1 = g_signal_connect (sel, "changed",
 617                                        G_CALLBACK(on_selection_changed), self);
 618         return GTK_WIDGET(self);
 619 }
 620
 621
 622 TnyList *
 623 modest_header_view_get_selected_headers (ModestHeaderView *self)
 624 {
 625         GtkTreeSelection *sel;
 626         ModestHeaderViewPrivate *priv;
 627         TnyList *header_list = NULL;
 628         TnyHeader *header;
 629         GList *list, *tmp = NULL;
 630         GtkTreeModel *tree_model = NULL;
 631         GtkTreeIter iter;
 632
 633         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 634
 635         /* Get selected rows */
 636         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 637         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 638
 639         if (list) {
 640                 header_list = tny_simple_list_new();
 641
 642                 list = g_list_reverse (list);
 643                 tmp = list;
 644                 while (tmp) {
 645                         /* get header from selection */
 646                         gtk_tree_model_get_iter (tree_model,
 647                                                  &iter,
 648                                                  (GtkTreePath *) (tmp->data));
 649
 650                         gtk_tree_model_get (tree_model, &iter,
 651                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 652                                             &header, -1);
 653
 654                         /* Prepend to list */
 655                         tny_list_prepend (header_list, G_OBJECT (header));
 656                         tmp = g_list_next (tmp);
 657                 }
 658                 /* Clean up*/
 659                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 660                 g_list_free (list);
 661         }
 662         return header_list;
 663 }
 664
 665 void
 666 modest_header_view_select_next (ModestHeaderView *self)
 667 {
 668         GtkTreeSelection *sel;
 669         GtkTreeIter iter;
 670         GtkTreeModel *model;
 671
 672         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 673         if (sel) {
 674                 gtk_tree_selection_get_selected (sel, &model, &iter);
 675                 gtk_tree_model_iter_next (model, &iter);
 676                 gtk_tree_selection_select_iter (sel, &iter);
 677         }
 678 }
 679
 680 GList*
 681 modest_header_view_get_columns (ModestHeaderView *self)
 682 {
 683         g_return_val_if_fail (self, FALSE);
 684         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 685 }
 686
 687 gboolean
 688 modest_header_view_set_style (ModestHeaderView *self,
 689                               ModestHeaderViewStyle style)
 690 {
 691         g_return_val_if_fail (self, FALSE);
 692
 693         MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
 694
 695         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
 696                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 697         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
 698                                              style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
 699
 700         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
 701         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
 702                                       TRUE); /* alternating row colors */
 703
 704         return TRUE;
 705 }
 706
 707
 708 ModestHeaderViewStyle
 709 modest_header_view_get_style (ModestHeaderView *self)
 710 {
 711         g_return_val_if_fail (self, FALSE);
 712
 713         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 714 }
 715
 716
 717 static gint
 718 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 719           gpointer user_data)
 720 {
 721         gint col_id;
 722         gint t1, t2;
 723         gint val1, val2;
 724         gchar *s1, *s2;
 725         gint cmp;
 726
 727         static int counter = 0;
 728         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 729
 730         if (!(++counter % 100)) {
 731                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 732                                                          MODEST_HEADER_VIEW_PTR);
 733                 g_signal_emit (header_view,
 734                                signals[STATUS_UPDATE_SIGNAL],
 735                                0, _("Sorting..."), 0, 0);
 736         }
 737
 738         switch (col_id) {
 739
 740                 /* first one, we decide based on the time */
 741         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 742         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 743                 gtk_tree_model_get (tree_model, iter1,
 744                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 745                                     &t1,-1);
 746                 gtk_tree_model_get (tree_model, iter2,
 747                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 748                                     &t2,-1);
 749                 return t1 - t2;
 750
 751         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 752         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 753                 gtk_tree_model_get (tree_model, iter1,
 754                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 755                                     &t1,-1);
 756                 gtk_tree_model_get (tree_model, iter2,
 757                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 758                                     &t2,-1);
 759                 return t1 - t2;
 760
 761
 762                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 763         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 764
 765                 gtk_tree_model_get (tree_model, iter1,
 766                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 767                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 768                                     -1);
 769                 gtk_tree_model_get (tree_model, iter2,
 770                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 771                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 772                                     -1);
 773
 774                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 775                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 776                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 777                                                      TRUE);
 778
 779                 g_free (s1);
 780                 g_free (s2);
 781
 782                 return cmp ? cmp : t1 - t2;
 783         }
 784
 785         case MODEST_HEADER_VIEW_COLUMN_FROM:
 786
 787                 gtk_tree_model_get (tree_model, iter1,
 788                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 789                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 790                                     -1);
 791                 gtk_tree_model_get (tree_model, iter2,
 792                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 793                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 794                                     -1);
 795                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 796                 g_free (s1);
 797                 g_free (s2);
 798
 799                 return cmp ? cmp : t1 - t2;
 800
 801         case MODEST_HEADER_VIEW_COLUMN_TO:
 802
 803                 gtk_tree_model_get (tree_model, iter1,
 804                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
 805                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 806                                     -1);
 807                 gtk_tree_model_get (tree_model, iter2,
 808                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
 809                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 810                                     -1);
 811                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 812                 g_free (s1);
 813                 g_free (s2);
 814
 815                 return cmp ? cmp : t1 - t2;
 816
 817         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 818
 819                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 820                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
 821                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 822                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
 823
 824                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
 825                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 826
 827                 return cmp ? cmp : t1 - t2;
 828
 829         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 830                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
 831                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
 832                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
 833                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
 834                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
 835
 836                 return cmp ? cmp : t1 - t2;
 837
 838         default:
 839                 return &iter1 - &iter2; /* oughhhh  */
 840         }
 841 }
 842
 843
 844 static void
 845 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
 846                    gpointer user_data)
 847 {
 848         GtkTreeModel *sortable;
 849         ModestHeaderView *self;
 850         ModestHeaderViewPrivate *priv;
 851         GError *error = NULL;
 852
 853         if (cancelled)
 854                 return;
 855
 856         self = MODEST_HEADER_VIEW(user_data);
 857         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 858
 859         priv->folder = folder;
 860         update_state (self);
 861
 862         if (!folder || priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 863                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 864         else { /* it's a new one or a refresh */
 865                 GList *cols, *cursor;
 866
 867                 if (priv->headers)
 868                         g_object_unref (priv->headers);
 869
 870                 priv->headers = TNY_LIST(tny_gtk_header_list_model_new ());
 871                 tny_folder_get_headers (folder, priv->headers, FALSE, &error); /* FIXME */
 872                 if (error) {
 873                         g_signal_emit (G_OBJECT(self), signals[ITEM_NOT_FOUND_SIGNAL],
 874                                        0, MODEST_ITEM_TYPE_MESSAGE);
 875                         g_print (error->message);
 876                         g_error_free (error);
 877                         return;
 878                 }
 879
 880                 tny_gtk_header_list_model_set_folder
 881                         (TNY_GTK_HEADER_LIST_MODEL(priv->headers),folder, TRUE); /*async*/
 882
 883                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 884
 885                 /* install our special sorting functions */
 886                 cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 887                 while (cursor) {
 888                         gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 889                                                                          MODEST_HEADER_VIEW_COLUMN));
 890                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 891                                                          col_id,
 892                                                          (GtkTreeIterCompareFunc)cmp_rows,
 893                                                          cursor->data, NULL);
 894                         cursor = g_list_next(cursor);
 895                 }
 896                 g_list_free (cols);
 897
 898                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 899                 modest_header_view_set_style (self, priv->style);
 900         }
 901 }
 902
 903
 904 static void
 905 on_refresh_folder_status_update (TnyFolder *folder, const gchar *msg,
 906                                  gint num, gint total,  gpointer user_data)
 907 {
 908         ModestHeaderView *self;
 909         ModestHeaderViewPrivate *priv;
 910
 911         self = MODEST_HEADER_VIEW(user_data);
 912         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 913
 914         g_signal_emit (G_OBJECT(self), signals[STATUS_UPDATE_SIGNAL],
 915                        0, msg, num, total);
 916 }
 917
 918
 919 TnyFolder*
 920 modest_header_view_get_folder (ModestHeaderView *self)
 921 {
 922         ModestHeaderViewPrivate *priv;
 923         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 924
 925         return priv->folder;
 926 }
 927
 928
 929 gboolean
 930 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 931 {
 932         ModestHeaderViewPrivate *priv;
 933         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 934
 935         priv->folder = folder;
 936
 937         if (!folder)  {/* when there is no folder */
 938                 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
 939                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), NULL);
 940         } else { /* it's a new one or a refresh */
 941                 tny_folder_refresh_async (folder,
 942                                           on_refresh_folder,
 943                                           on_refresh_folder_status_update,
 944                                           self);
 945         }
 946
 947         /* no message selected */
 948         g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0,
 949                        NULL);
 950         return TRUE;
 951 }
 952
 953 static void
 954 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 955 {
 956         GtkTreeModel *model;
 957         TnyHeader *header;
 958         GtkTreeIter iter;
 959         ModestHeaderView *self;
 960         ModestHeaderViewPrivate *priv;
 961
 962         g_return_if_fail (sel);
 963         g_return_if_fail (user_data);
 964
 965         self = MODEST_HEADER_VIEW (user_data);
 966         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 967
 968         /* if the folder is empty, nothing to do */
 969         if (priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)
 970                 return;
 971
 972         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 973                 return; /* msg was _un_selected */
 974
 975         gtk_tree_model_get (model, &iter,
 976                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 977                             &header, -1);
 978
 979         /* Emit signal */
 980         g_signal_emit (G_OBJECT(self),
 981                        signals[HEADER_SELECTED_SIGNAL],
 982                        0, header);
 983 }
 984
 985
 986 /* PROTECTED method. It's useful when we want to force a given
 987    selection to reload a msg. For example if we have selected a header
 988    in offline mode, when Modest become online, we want to reload the
 989    message automatically without an user click over the header */
 990 void
 991 _modest_header_view_change_selection (GtkTreeSelection *selection,
 992                                       gpointer user_data)
 993 {
 994         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 995         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 996
 997         on_selection_changed (selection, user_data);
 998 }