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 #include <modest-tny-folder.h>
  40
  41 #include <modest-main-window.h>
  42
  43 #include <modest-marshal.h>
  44 #include <modest-text-utils.h>
  45 #include <modest-icon-names.h>
  46 #include <modest-runtime.h>
  47 #include "modest-platform.h"
  48 #include <modest-hbox-cell-renderer.h>
  49 #include <modest-vbox-cell-renderer.h>
  50
  51 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  52 static void modest_header_view_init        (ModestHeaderView *obj);
  53 static void modest_header_view_finalize    (GObject *obj);
  54 static void modest_header_view_dispose     (GObject *obj);
  55
  56 static void          on_header_row_activated (GtkTreeView *treeview, GtkTreePath *path,
  57                                               GtkTreeViewColumn *column, gpointer userdata);
  58
  59 static gint          cmp_rows               (GtkTreeModel *tree_model,
  60                                              GtkTreeIter *iter1,
  61                                              GtkTreeIter *iter2,
  62                                              gpointer user_data);
  63
  64 static gint          cmp_subject_rows       (GtkTreeModel *tree_model,
  65                                              GtkTreeIter *iter1,
  66                                              GtkTreeIter *iter2,
  67                                              gpointer user_data);
  68
  69 static gboolean     filter_row             (GtkTreeModel *model,
  70                                             GtkTreeIter *iter,
  71                                             gpointer data);
  72
  73 static void          on_selection_changed   (GtkTreeSelection *sel,
  74                                              gpointer user_data);
  75
  76 static void          setup_drag_and_drop    (GtkTreeView *self);
  77
  78 static GtkTreePath * get_selected_row       (GtkTreeView *self, GtkTreeModel **model);
  79
  80 static gboolean      on_focus_in            (GtkWidget     *sef,
  81                                              GdkEventFocus *event,
  82                                              gpointer       user_data);
  83
  84 static void          folder_monitor_update  (TnyFolderObserver *self,
  85                                              TnyFolderChange *change);
  86
  87 static void          tny_folder_observer_init (TnyFolderObserverIface *klass);
  88
  89 static void          _clipboard_set_selected_data (ModestHeaderView *header_view, gboolean delete);
  90
  91 static void          _clear_hidding_filter (ModestHeaderView *header_view);
  92
  93
  94 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  95 struct _ModestHeaderViewPrivate {
  96         TnyFolder            *folder;
  97         ModestHeaderViewStyle style;
  98
  99         TnyFolderMonitor     *monitor;
 100         GMutex               *observers_lock;
 101
 102         /* not unref this object, its a singlenton */
 103         ModestEmailClipboard *clipboard;
 104
 105         /* Filter tree model */
 106         gchar **hidding_ids;
 107         guint n_selected;
 108
 109         gint                  sort_colid[2][TNY_FOLDER_TYPE_NUM];
 110         gint                  sort_type[2][TNY_FOLDER_TYPE_NUM];
 111
 112
 113 };
 114
 115 typedef struct _HeadersCountChangedHelper HeadersCountChangedHelper;
 116 struct _HeadersCountChangedHelper {
 117         ModestHeaderView *self;
 118         TnyFolderChange  *change;
 119 };
 120
 121
 122 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 123                                                 MODEST_TYPE_HEADER_VIEW, \
 124                                                 ModestHeaderViewPrivate))
 125
 126
 127
 128 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
 129
 130 enum {
 131         HEADER_SELECTED_SIGNAL,
 132         HEADER_ACTIVATED_SIGNAL,
 133         ITEM_NOT_FOUND_SIGNAL,
 134         MSG_COUNT_CHANGED_SIGNAL,
 135         LAST_SIGNAL
 136 };
 137
 138 /* globals */
 139 static GObjectClass *parent_class = NULL;
 140
 141 /* uncomment the following if you have defined any signals */
 142 static guint signals[LAST_SIGNAL] = {0};
 143
 144 GType
 145 modest_header_view_get_type (void)
 146 {
 147         static GType my_type = 0;
 148         if (!my_type) {
 149                 static const GTypeInfo my_info = {
 150                         sizeof(ModestHeaderViewClass),
 151                         NULL,           /* base init */
 152                         NULL,           /* base finalize */
 153                         (GClassInitFunc) modest_header_view_class_init,
 154                         NULL,           /* class finalize */
 155                         NULL,           /* class data */
 156                         sizeof(ModestHeaderView),
 157                         1,              /* n_preallocs */
 158                         (GInstanceInitFunc) modest_header_view_init,
 159                         NULL
 160                 };
 161
 162                 static const GInterfaceInfo tny_folder_observer_info =
 163                 {
 164                         (GInterfaceInitFunc) tny_folder_observer_init, /* interface_init */
 165                         NULL,         /* interface_finalize */
 166                         NULL          /* interface_data */
 167                 };
 168                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 169                                                   "ModestHeaderView",
 170                                                   &my_info, 0);
 171
 172                 g_type_add_interface_static (my_type, TNY_TYPE_FOLDER_OBSERVER,
 173                                              &tny_folder_observer_info);
 174
 175
 176         }
 177         return my_type;
 178 }
 179
 180 static void
 181 modest_header_view_class_init (ModestHeaderViewClass *klass)
 182 {
 183         GObjectClass *gobject_class;
 184         gobject_class = (GObjectClass*) klass;
 185
 186         parent_class            = g_type_class_peek_parent (klass);
 187         gobject_class->finalize = modest_header_view_finalize;
 188         gobject_class->dispose = modest_header_view_dispose;
 189
 190         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 191
 192         signals[HEADER_SELECTED_SIGNAL] =
 193                 g_signal_new ("header_selected",
 194                               G_TYPE_FROM_CLASS (gobject_class),
 195                               G_SIGNAL_RUN_FIRST,
 196                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 197                               NULL, NULL,
 198                               g_cclosure_marshal_VOID__POINTER,
 199                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 200
 201         signals[HEADER_ACTIVATED_SIGNAL] =
 202                 g_signal_new ("header_activated",
 203                               G_TYPE_FROM_CLASS (gobject_class),
 204                               G_SIGNAL_RUN_FIRST,
 205                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 206                               NULL, NULL,
 207                               g_cclosure_marshal_VOID__POINTER,
 208                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 209
 210
 211         signals[ITEM_NOT_FOUND_SIGNAL] =
 212                 g_signal_new ("item_not_found",
 213                               G_TYPE_FROM_CLASS (gobject_class),
 214                               G_SIGNAL_RUN_FIRST,
 215                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 216                               NULL, NULL,
 217                               g_cclosure_marshal_VOID__INT,
 218                               G_TYPE_NONE, 1, G_TYPE_INT);
 219
 220         signals[MSG_COUNT_CHANGED_SIGNAL] =
 221                 g_signal_new ("msg_count_changed",
 222                               G_TYPE_FROM_CLASS (gobject_class),
 223                               G_SIGNAL_RUN_FIRST,
 224                               G_STRUCT_OFFSET (ModestHeaderViewClass, msg_count_changed),
 225                               NULL, NULL,
 226                               modest_marshal_VOID__POINTER_POINTER,
 227                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
 228 }
 229
 230 static void
 231 tny_folder_observer_init (TnyFolderObserverIface *klass)
 232 {
 233         klass->update_func = folder_monitor_update;
 234 }
 235
 236 static GtkTreeViewColumn*
 237 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 238                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 239                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 240 {
 241         GtkTreeViewColumn *column;
 242
 243         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 244         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 245
 246         gtk_tree_view_column_set_resizable (column, resizable);
 247         if (resizable)
 248                 gtk_tree_view_column_set_expand (column, TRUE);
 249
 250         if (show_as_text)
 251                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 252                                                     sort_col_id);
 253         if (sort_col_id >= 0)
 254                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 255
 256         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 257         gtk_tree_view_column_set_reorderable (column, TRUE);
 258
 259         if (cell_data_func)
 260                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 261                                                         user_data, NULL);
 262         return column;
 263 }
 264
 265
 266 static void
 267 remove_all_columns (ModestHeaderView *obj)
 268 {
 269         GList *columns, *cursor;
 270
 271         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 272
 273         for (cursor = columns; cursor; cursor = cursor->next)
 274                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 275                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 276         g_list_free (columns);
 277 }
 278
 279 gboolean
 280 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, TnyFolderType type)
 281 {
 282         GtkTreeModel *tree_filter, *sortable;
 283         GtkTreeViewColumn *column=NULL;
 284         GtkTreeSelection *selection = NULL;
 285         GtkCellRenderer *renderer_msgtype,*renderer_header,
 286                 *renderer_attach, *renderer_compact_date;
 287         GtkCellRenderer *renderer_compact_header, *renderer_recpt_box,
 288                 *renderer_subject, *renderer_subject_box, *renderer_recpt,
 289                 *renderer_priority;
 290         ModestHeaderViewPrivate *priv;
 291         GtkTreeViewColumn *compact_column = NULL;
 292         const GList *cursor;
 293
 294         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 295
 296         /* FIXME: check whether these renderers need to be freed */
 297         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 298         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 299         renderer_priority  = gtk_cell_renderer_pixbuf_new ();
 300         renderer_header  = gtk_cell_renderer_text_new ();
 301
 302         renderer_compact_header = modest_vbox_cell_renderer_new ();
 303         renderer_recpt_box = modest_hbox_cell_renderer_new ();
 304         renderer_subject_box = modest_hbox_cell_renderer_new ();
 305         renderer_recpt = gtk_cell_renderer_text_new ();
 306         renderer_subject = gtk_cell_renderer_text_new ();
 307         renderer_compact_date  = gtk_cell_renderer_text_new ();
 308
 309         modest_vbox_cell_renderer_append (MODEST_VBOX_CELL_RENDERER (renderer_compact_header), renderer_subject_box, FALSE);
 310         g_object_set_data (G_OBJECT (renderer_compact_header), "subject-box-renderer", renderer_subject_box);
 311         modest_vbox_cell_renderer_append (MODEST_VBOX_CELL_RENDERER (renderer_compact_header), renderer_recpt_box, FALSE);
 312         g_object_set_data (G_OBJECT (renderer_compact_header), "recpt-box-renderer", renderer_recpt_box);
 313         modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_subject_box), renderer_priority, FALSE);
 314         g_object_set_data (G_OBJECT (renderer_subject_box), "priority-renderer", renderer_priority);
 315         modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_subject_box), renderer_subject, TRUE);
 316         g_object_set_data (G_OBJECT (renderer_subject_box), "subject-renderer", renderer_subject);
 317         modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_attach, FALSE);
 318         g_object_set_data (G_OBJECT (renderer_recpt_box), "attach-renderer", renderer_attach);
 319         modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_recpt, TRUE);
 320         g_object_set_data (G_OBJECT (renderer_recpt_box), "recipient-renderer", renderer_recpt);
 321         modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_compact_date, FALSE);
 322         g_object_set_data (G_OBJECT (renderer_recpt_box), "date-renderer", renderer_compact_date);
 323
 324         g_object_set(G_OBJECT(renderer_header),
 325                      "ellipsize", PANGO_ELLIPSIZE_END,
 326                      NULL);
 327         g_object_set (G_OBJECT (renderer_subject),
 328                       "ellipsize", PANGO_ELLIPSIZE_END,
 329                       NULL);
 330         g_object_set (G_OBJECT (renderer_recpt),
 331                       "ellipsize", PANGO_ELLIPSIZE_END,
 332                       NULL);
 333         g_object_set(G_OBJECT(renderer_compact_date),
 334                      "xalign", 1.0,
 335                      NULL);
 336
 337         gtk_cell_renderer_set_fixed_size (renderer_attach, 32, 32);
 338         gtk_cell_renderer_set_fixed_size (renderer_priority, 32, 32);
 339
 340         remove_all_columns (self);
 341
 342         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 343         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
 344 /*      sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self)); */
 345         tree_filter = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 346         sortable = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER(tree_filter));
 347
 348         /* Add new columns */
 349         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 350                 ModestHeaderViewColumn col =
 351                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 352
 353                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 354                         g_printerr ("modest: invalid column %d in column list\n", col);
 355                         continue;
 356                 }
 357
 358                 switch (col) {
 359
 360                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 361                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 362                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 363                                                  FALSE,
 364                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 365                                                  NULL);
 366                         gtk_tree_view_column_set_fixed_width (column, 45);
 367                         break;
 368
 369                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 370                         column = get_new_column (_("A"), renderer_attach, FALSE,
 371                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 372                                                  FALSE,
 373                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 374                                                  NULL);
 375                         gtk_tree_view_column_set_fixed_width (column, 45);
 376                         break;
 377
 378
 379                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 380                         column = get_new_column (_("From"), renderer_header, TRUE,
 381                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 382                                                  TRUE,
 383                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 384                                                  GINT_TO_POINTER(TRUE));
 385                         break;
 386
 387                 case MODEST_HEADER_VIEW_COLUMN_TO:
 388                         column = get_new_column (_("To"), renderer_header, TRUE,
 389                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 390                                                  TRUE,
 391                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 392                                                  GINT_TO_POINTER(FALSE));
 393                         break;
 394
 395                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 396                         column = get_new_column (_("Header"), renderer_compact_header, TRUE,
 397                                                      TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 398                                                      FALSE,
 399                                                      (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 400                                                      GINT_TO_POINTER(TRUE));
 401                         compact_column = column;
 402                         break;
 403
 404                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 405                         column = get_new_column (_("Header"), renderer_compact_header, TRUE,
 406                                                      TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 407                                                      FALSE,
 408                                                      (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 409                                                      GINT_TO_POINTER(FALSE));
 410                         compact_column = column;
 411                         break;
 412
 413
 414                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 415                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 416                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 417                                                  TRUE,
 418                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 419                                                  NULL);
 420                         break;
 421
 422                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 423                         column = get_new_column (_("Received"), renderer_header, TRUE,
 424                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 425                                                  TRUE,
 426                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 427                                                  GINT_TO_POINTER(TRUE));
 428                         break;
 429
 430                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 431                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 432                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 433                                                  TRUE,
 434                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 435                                                  GINT_TO_POINTER(FALSE));
 436                         break;
 437
 438                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 439                         column = get_new_column (_("Size"), renderer_header, TRUE,
 440                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 441                                                  FALSE,
 442                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 443                                                  NULL);
 444                         break;
 445                 case MODEST_HEADER_VIEW_COLUMN_STATUS:
 446                         column = get_new_column (_("Status"), renderer_compact_date, TRUE,
 447                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 448                                                  FALSE,
 449                                                  (GtkTreeCellDataFunc)_modest_header_view_status_cell_data,
 450                                                  NULL);
 451                         break;
 452
 453                 default:
 454                         g_return_val_if_reached(FALSE);
 455                 }
 456
 457                 /* we keep the column id around */
 458                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 459                                    GINT_TO_POINTER(col));
 460
 461                 /* we need this ptr when sorting the rows */
 462                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 463                                    self);
 464                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 465         }
 466
 467         if (sortable) {
 468                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 469                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 470                                                  (GtkTreeIterCompareFunc) cmp_rows,
 471                                                  compact_column, NULL);
 472                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
 473                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 474                                                  (GtkTreeIterCompareFunc) cmp_subject_rows,
 475                                                  compact_column, NULL);
 476         }
 477
 478
 479         return TRUE;
 480 }
 481
 482 static void
 483 modest_header_view_init (ModestHeaderView *obj)
 484 {
 485         ModestHeaderViewPrivate *priv;
 486         guint i, j;
 487
 488         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 489
 490         priv->folder  = NULL;
 491
 492         priv->monitor        = NULL;
 493         priv->observers_lock = g_mutex_new ();
 494
 495         priv->clipboard = modest_runtime_get_email_clipboard ();
 496         priv->hidding_ids = NULL;
 497         priv->n_selected = 0;
 498
 499         /* Sort parameters */
 500         for (j=0; j < 2; j++) {
 501                 for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) {
 502                         priv->sort_colid[j][i] = -1;
 503                         priv->sort_type[j][i] = GTK_SORT_DESCENDING;
 504                 }
 505         }
 506
 507         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 508 }
 509
 510 static void
 511 modest_header_view_dispose (GObject *obj)
 512 {
 513         ModestHeaderView        *self;
 514         ModestHeaderViewPrivate *priv;
 515
 516         self = MODEST_HEADER_VIEW(obj);
 517         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 518
 519         if (priv->folder) {
 520                 tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (obj));
 521                 g_object_unref (G_OBJECT (priv->folder));
 522                 priv->folder   = NULL;
 523         }
 524
 525         G_OBJECT_CLASS(parent_class)->dispose (obj);
 526 }
 527
 528
 529
 530 static void
 531 modest_header_view_finalize (GObject *obj)
 532 {
 533         ModestHeaderView        *self;
 534         ModestHeaderViewPrivate *priv;
 535
 536         self = MODEST_HEADER_VIEW(obj);
 537         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 538
 539         g_mutex_lock (priv->observers_lock);
 540         if (priv->monitor) {
 541                 tny_folder_monitor_stop (priv->monitor);
 542                 g_object_unref (G_OBJECT (priv->monitor));
 543         }
 544         g_mutex_unlock (priv->observers_lock);
 545         g_mutex_free (priv->observers_lock);
 546
 547         /* Clear hidding array created by cut operation */
 548         _clear_hidding_filter (MODEST_HEADER_VIEW (obj));
 549
 550         G_OBJECT_CLASS(parent_class)->finalize (obj);
 551 }
 552
 553
 554 GtkWidget*
 555 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 556 {
 557         GObject *obj;
 558         GtkTreeSelection *sel;
 559         ModestHeaderView *self;
 560         ModestHeaderViewPrivate *priv;
 561
 562         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 563                               NULL);
 564
 565         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 566         self = MODEST_HEADER_VIEW(obj);
 567         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 568
 569         modest_header_view_set_style   (self, style);
 570 /*      modest_header_view_set_folder (self, NULL, NULL, NULL); */
 571
 572         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 573         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 574         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 575
 576         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 577                                       TRUE); /* alternating row colors */
 578         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 579
 580         g_signal_connect (sel, "changed",
 581                           G_CALLBACK(on_selection_changed), self);
 582
 583         g_signal_connect (self, "row-activated",
 584                           G_CALLBACK (on_header_row_activated), NULL);
 585
 586         g_signal_connect (self, "focus-in-event",
 587                           G_CALLBACK(on_focus_in), NULL);
 588
 589         return GTK_WIDGET(self);
 590 }
 591
 592
 593 TnyList *
 594 modest_header_view_get_selected_headers (ModestHeaderView *self)
 595 {
 596         GtkTreeSelection *sel;
 597         ModestHeaderViewPrivate *priv;
 598         TnyList *header_list = NULL;
 599         TnyHeader *header;
 600         GList *list, *tmp = NULL;
 601         GtkTreeModel *tree_model = NULL;
 602         GtkTreeIter iter;
 603
 604         g_return_val_if_fail (self, NULL);
 605
 606         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 607
 608         /* Get selected rows */
 609         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 610         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 611
 612         if (list) {
 613                 header_list = tny_simple_list_new();
 614
 615                 list = g_list_reverse (list);
 616                 tmp = list;
 617                 while (tmp) {
 618                         /* get header from selection */
 619                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 620                         gtk_tree_model_get (tree_model, &iter,
 621                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 622                                             &header, -1);
 623                         /* Prepend to list */
 624                         tny_list_prepend (header_list, G_OBJECT (header));
 625                         g_object_unref (G_OBJECT (header));
 626
 627                         tmp = g_list_next (tmp);
 628                 }
 629                 /* Clean up*/
 630                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 631                 g_list_free (list);
 632         }
 633         return header_list;
 634 }
 635
 636
 637 /* scroll our list view so the selected item is visible */
 638 static void
 639 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 640 {
 641 #ifdef MODEST_PLATFORM_GNOME
 642
 643         GtkTreePath *selected_path;
 644         GtkTreePath *start, *end;
 645
 646         GtkTreeModel *model;
 647
 648         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 649         selected_path = gtk_tree_model_get_path (model, iter);
 650
 651         start = gtk_tree_path_new ();
 652         end   = gtk_tree_path_new ();
 653
 654         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 655
 656         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 657             gtk_tree_path_compare (end, selected_path) < 0)
 658                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 659                                               selected_path, NULL, TRUE,
 660                                               up ? 0.0 : 1.0,
 661                                               up ? 0.0 : 1.0);
 662         gtk_tree_path_free (selected_path);
 663         gtk_tree_path_free (start);
 664         gtk_tree_path_free (end);
 665
 666 #endif /* MODEST_PLATFORM_GNOME */
 667 }
 668
 669
 670 void
 671 modest_header_view_select_next (ModestHeaderView *self)
 672 {
 673         GtkTreeSelection *sel;
 674         GtkTreeIter iter;
 675         GtkTreeModel *model;
 676         GtkTreePath *path;
 677
 678         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 679         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 680         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 681                 /* Unselect previous path */
 682                 gtk_tree_selection_unselect_path (sel, path);
 683
 684                 /* Move path down and selects new one  */
 685                 if (gtk_tree_model_iter_next (model, &iter)) {
 686                         gtk_tree_selection_select_iter (sel, &iter);
 687                         scroll_to_selected (self, &iter, FALSE);
 688                 }
 689                 gtk_tree_path_free(path);
 690         }
 691
 692 }
 693
 694 void
 695 modest_header_view_select_prev (ModestHeaderView *self)
 696 {
 697         GtkTreeSelection *sel;
 698         GtkTreeIter iter;
 699         GtkTreeModel *model;
 700         GtkTreePath *path;
 701
 702         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 703         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 704         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 705                 /* Unselect previous path */
 706                 gtk_tree_selection_unselect_path (sel, path);
 707
 708                 /* Move path up */
 709                 if (gtk_tree_path_prev (path)) {
 710                         gtk_tree_model_get_iter (model, &iter, path);
 711
 712                         /* Select the new one */
 713                         gtk_tree_selection_select_iter (sel, &iter);
 714                         scroll_to_selected (self, &iter, TRUE);
 715
 716                 }
 717                 gtk_tree_path_free (path);
 718         }
 719 }
 720
 721 GList*
 722 modest_header_view_get_columns (ModestHeaderView *self)
 723 {
 724         g_return_val_if_fail (self, FALSE);
 725         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 726 }
 727
 728
 729 gboolean
 730 modest_header_view_is_empty (ModestHeaderView *self)
 731 {
 732         g_return_val_if_fail (self, FALSE);
 733         return FALSE; /* FIXME */
 734 }
 735
 736
 737 gboolean
 738 modest_header_view_set_style (ModestHeaderView *self,
 739                               ModestHeaderViewStyle style)
 740 {
 741         ModestHeaderViewPrivate *priv;
 742         gboolean show_col_headers = FALSE;
 743         ModestHeaderViewStyle old_style;
 744
 745         g_return_val_if_fail (self, FALSE);
 746         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 747                               FALSE);
 748
 749         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 750         if (priv->style == style)
 751                 return TRUE; /* nothing to do */
 752
 753         switch (style) {
 754         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 755                 show_col_headers = TRUE;
 756                 break;
 757         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 758                 break;
 759         default:
 760                 g_return_val_if_reached (FALSE);
 761         }
 762         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 763         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 764
 765         old_style   = priv->style;
 766         priv->style = style;
 767
 768         return TRUE;
 769 }
 770
 771
 772 ModestHeaderViewStyle
 773 modest_header_view_get_style (ModestHeaderView *self)
 774 {
 775         g_return_val_if_fail (self, FALSE);
 776         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 777 }
 778
 779 /*
 780  * This function sets a sortable model in the header view. It's just
 781  * used for developing purposes, because it only does a
 782  * gtk_tree_view_set_model
 783  */
 784 static void
 785 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 786 {
 787 /*      GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view)); */
 788 /*      if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) { */
 789 /*              GtkTreeModel *old_model; */
 790 /*              ModestHeaderViewPrivate *priv; */
 791 /*              priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view); */
 792 /*              old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort)); */
 793
 794 /*              /\* Set new model *\/ */
 795 /*              gtk_tree_view_set_model (header_view, model); */
 796 /*      } else */
 797         gtk_tree_view_set_model (header_view, model);
 798 }
 799
 800 TnyFolder*
 801 modest_header_view_get_folder (ModestHeaderView *self)
 802 {
 803         ModestHeaderViewPrivate *priv;
 804         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 805
 806         if (priv->folder)
 807                 g_object_ref (priv->folder);
 808
 809         return priv->folder;
 810 }
 811
 812 static void
 813 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 814 {
 815         TnyFolderType type;
 816         TnyList *headers;
 817         ModestHeaderViewPrivate *priv;
 818         GList *cols, *cursor;
 819         GtkTreeModel *filter_model, *sortable;
 820         guint sort_colid;
 821         GtkSortType sort_type;
 822
 823         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 824
 825         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 826
 827         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 828                                               folder, FALSE);
 829
 830         /* Add IDLE observer (monitor) and another folder observer for
 831            new messages (self) */
 832         g_mutex_lock (priv->observers_lock);
 833         if (priv->monitor) {
 834                 tny_folder_monitor_stop (priv->monitor);
 835                 g_object_unref (G_OBJECT (priv->monitor));
 836         }
 837         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 838         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 839         tny_folder_monitor_start (priv->monitor);
 840         tny_folder_add_observer (folder, TNY_FOLDER_OBSERVER (self));
 841         g_mutex_unlock (priv->observers_lock);
 842
 843         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 844         g_object_unref (G_OBJECT (headers));
 845
 846         /* Create a tree model filter to hide and show rows for cut operations  */
 847         filter_model = gtk_tree_model_filter_new (sortable, NULL);
 848         gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter_model),
 849                                                 filter_row,
 850                                                 self,
 851                                                 NULL);
 852         g_object_unref (G_OBJECT (sortable));
 853
 854         /* install our special sorting functions */
 855         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 856
 857         /* Restore sort column id */
 858         if (cols) {
 859                 type  = modest_tny_folder_guess_folder_type (folder);
 860                 sort_colid = modest_header_view_get_sort_column_id (self, type);
 861                 sort_type = modest_header_view_get_sort_type (self, type);
 862                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 863                                                       sort_colid,
 864                                                       sort_type);
 865                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 866                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 867                                                  (GtkTreeIterCompareFunc) cmp_rows,
 868                                                  cols->data, NULL);
 869                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 870                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 871                                                  (GtkTreeIterCompareFunc) cmp_subject_rows,
 872                                                  cols->data, NULL);
 873         }
 874
 875         /* Set new model */
 876         modest_header_view_set_model (GTK_TREE_VIEW (self), filter_model);
 877         g_object_unref (G_OBJECT (filter_model));
 878 /*      modest_header_view_set_model (GTK_TREE_VIEW (self), sortable); */
 879 /*      g_object_unref (G_OBJECT (sortable)); */
 880
 881         /* Free */
 882         g_list_free (cols);
 883 }
 884
 885 void
 886 modest_header_view_sort_by_column_id (ModestHeaderView *self,
 887                                       guint sort_colid,
 888                                       GtkSortType sort_type)
 889 {
 890         ModestHeaderViewPrivate *priv = NULL;
 891         GtkTreeModel *tree_filter, *sortable = NULL;
 892         TnyFolderType type;
 893
 894         /* Get model and private data */
 895         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 896         tree_filter = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 897         sortable = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER(tree_filter));
 898 /*      sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self)); */
 899
 900         /* Sort tree model */
 901         type  = modest_tny_folder_guess_folder_type (priv->folder);
 902         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 903                                               sort_colid,
 904                                               sort_type);
 905         /* Store new sort parameters */
 906         modest_header_view_set_sort_params (self, sort_colid, sort_type, type);
 907
 908         /* Save GConf parameters */
 909 /*      modest_widget_memory_save (modest_runtime_get_conf(), */
 910 /*                                 G_OBJECT(self), "header-view"); */
 911
 912 }
 913
 914 void
 915 modest_header_view_set_sort_params (ModestHeaderView *self,
 916                                     guint sort_colid,
 917                                     GtkSortType sort_type,
 918                                     TnyFolderType type)
 919 {
 920         ModestHeaderViewPrivate *priv;
 921         ModestHeaderViewStyle style;
 922
 923         style = modest_header_view_get_style   (self);
 924         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 925
 926         priv->sort_colid[style][type] = sort_colid;
 927         priv->sort_type[style][type] = sort_type;
 928 }
 929
 930 gint
 931 modest_header_view_get_sort_column_id (ModestHeaderView *self,
 932                                        TnyFolderType type)
 933 {
 934         ModestHeaderViewPrivate *priv;
 935         ModestHeaderViewStyle style;
 936
 937         style = modest_header_view_get_style   (self);
 938         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 939
 940         return priv->sort_colid[style][type];
 941 }
 942
 943 GtkSortType
 944 modest_header_view_get_sort_type (ModestHeaderView *self,
 945                                   TnyFolderType type)
 946 {
 947         ModestHeaderViewPrivate *priv;
 948         ModestHeaderViewStyle style;
 949
 950         style = modest_header_view_get_style   (self);
 951         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 952
 953         return priv->sort_type[style][type];
 954 }
 955
 956 void
 957 modest_header_view_set_folder (ModestHeaderView *self,
 958                                TnyFolder *folder,
 959                                RefreshAsyncUserCallback callback,
 960                                gpointer user_data)
 961 {
 962         ModestHeaderViewPrivate *priv;
 963         ModestWindowMgr *mgr = NULL;
 964         GObject *source = NULL;
 965
 966         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 967
 968         if (priv->folder) {
 969                 g_mutex_lock (priv->observers_lock);
 970                 tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (self));
 971                 g_object_unref (priv->folder);
 972 /*              g_print ("---------- REMAINING %d\n", ((GObject*)priv->folder)->ref_count); */
 973                 priv->folder = NULL;
 974                 g_mutex_unlock (priv->observers_lock);
 975         }
 976
 977         if (folder) {
 978                 ModestMailOperation *mail_op = NULL;
 979
 980                 /* Get main window to use it as source of mail operation */
 981                 mgr = modest_runtime_get_window_mgr ();
 982                 source = G_OBJECT (modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ()));
 983
 984                 /* Set folder in the model */
 985                 modest_header_view_set_folder_intern (self, folder);
 986
 987                 /* Pick my reference. Nothing to do with the mail operation */
 988                 priv->folder = g_object_ref (folder);
 989
 990                 /* no message selected */
 991                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 992
 993                 /* Create the mail operation (source will be the parent widget) */
 994                 mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_RECEIVE, source);
 995                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 996                                                  mail_op);
 997
 998                 /* Refresh the folder asynchronously */
 999                 modest_mail_operation_refresh_folder (mail_op, folder,
1000                                                       callback,
1001                                                       user_data);
1002
1003                 /* Free */
1004                 g_object_unref (mail_op);
1005         } else {
1006                 g_mutex_lock (priv->observers_lock);
1007
1008                 if (priv->monitor) {
1009                         tny_folder_monitor_stop (priv->monitor);
1010                         g_object_unref (G_OBJECT (priv->monitor));
1011                         priv->monitor = NULL;
1012                 }
1013                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
1014
1015                 g_mutex_unlock (priv->observers_lock);
1016         }
1017 }
1018
1019 static void
1020 on_header_row_activated (GtkTreeView *treeview, GtkTreePath *path,
1021                          GtkTreeViewColumn *column, gpointer userdata)
1022 {
1023         ModestHeaderView *self = NULL;
1024         ModestHeaderViewPrivate *priv = NULL;
1025         GtkTreeIter iter;
1026         GtkTreeModel *model = NULL;
1027         TnyHeader *header;
1028
1029         self = MODEST_HEADER_VIEW (treeview);
1030         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
1031
1032         model = gtk_tree_view_get_model (treeview);
1033
1034         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
1035                 return;
1036
1037         /* get the first selected item */
1038         gtk_tree_model_get (model, &iter,
1039                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1040                             &header, -1);
1041         /* Emit signal */
1042         g_signal_emit (G_OBJECT(self),
1043                        signals[HEADER_ACTIVATED_SIGNAL],
1044                        0, header);
1045
1046         /* Free */
1047         g_object_unref (G_OBJECT (header));
1048
1049 }
1050
1051 static void
1052 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
1053 {
1054         GtkTreeModel *model;
1055         TnyHeader *header;
1056         GtkTreePath *path = NULL;
1057         GtkTreeIter iter;
1058         ModestHeaderView *self;
1059         ModestHeaderViewPrivate *priv;
1060         GList *selected = NULL;
1061
1062         g_return_if_fail (sel);
1063         g_return_if_fail (user_data);
1064
1065         self = MODEST_HEADER_VIEW (user_data);
1066         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
1067
1068         selected = gtk_tree_selection_get_selected_rows (sel, &model);
1069         if (selected != NULL)
1070                 path = (GtkTreePath *) selected->data;
1071         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
1072                 return; /* msg was _un_selected */
1073
1074         gtk_tree_model_get (model, &iter,
1075                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1076                             &header, -1);
1077
1078         /* Emit signal */
1079         g_signal_emit (G_OBJECT(self),
1080                        signals[HEADER_SELECTED_SIGNAL],
1081                        0, header);
1082
1083         g_object_unref (G_OBJECT (header));
1084         gtk_tree_path_free(path);
1085 }
1086
1087
1088 /* PROTECTED method. It's useful when we want to force a given
1089    selection to reload a msg. For example if we have selected a header
1090    in offline mode, when Modest become online, we want to reload the
1091    message automatically without an user click over the header */
1092 void
1093 _modest_header_view_change_selection (GtkTreeSelection *selection,
1094                                       gpointer user_data)
1095 {
1096         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
1097         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
1098
1099         on_selection_changed (selection, user_data);
1100 }
1101
1102
1103 static gint
1104 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1105           gpointer user_data)
1106 {
1107         gint col_id;
1108         gint t1, t2;
1109         gint val1, val2;
1110         gint cmp;
1111 /*      static int counter = 0; */
1112
1113         g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN(user_data), 0);
1114 /*      col_id = gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (tree_model)); */
1115         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_FLAG_SORT));
1116
1117
1118         switch (col_id) {
1119         case TNY_HEADER_FLAG_ATTACHMENTS:
1120
1121                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1122                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1123                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1124                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1125
1126                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1127                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1128
1129                 return cmp ? cmp : t1 - t2;
1130
1131         case TNY_HEADER_FLAG_PRIORITY:
1132                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1133                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1134                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1135                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1136
1137                 /* This is for making priority values respect the intuitive sort relationship
1138                  * as HIGH is 11, LOW is 01, and we put NORMAL AS 10 (2) */
1139                 if (val1 == 0) val1 = 2;
1140                 if (val2 == 0) val2 = 2;
1141
1142                 cmp =  (val1 & TNY_HEADER_FLAG_PRIORITY) - (val2 & TNY_HEADER_FLAG_PRIORITY);
1143
1144                 return cmp ? cmp : t1 - t2;
1145
1146         default:
1147                 return &iter1 - &iter2; /* oughhhh  */
1148         }
1149 }
1150
1151 static gint
1152 cmp_subject_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1153                   gpointer user_data)
1154 {
1155         gint t1, t2;
1156         gchar *val1, *val2;
1157         gint cmp;
1158 /*      static int counter = 0; */
1159
1160         g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN(user_data), 0);
1161
1162         gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &val1,
1163                             TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1164         gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &val2,
1165                             TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1166
1167         cmp = modest_text_utils_utf8_strcmp (val1 + modest_text_utils_get_subject_prefix_len(val1),
1168                                              val2 + modest_text_utils_get_subject_prefix_len(val2),
1169                                              TRUE);
1170         g_free (val1);
1171         g_free (val2);
1172         return cmp;
1173 }
1174
1175 /* Drag and drop stuff */
1176 static void
1177 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1178                   GtkSelectionData *selection_data,
1179                   guint info,  guint time, gpointer data)
1180 {
1181         GtkTreeModel *model = NULL;
1182         GtkTreeIter iter;
1183         GtkTreePath *source_row = NULL;
1184
1185         source_row = get_selected_row (GTK_TREE_VIEW (widget), &model);
1186         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1187
1188         switch (info) {
1189         case MODEST_HEADER_ROW:
1190                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1191                 break;
1192         case MODEST_MSG: {
1193                 TnyHeader *hdr;
1194                 gtk_tree_model_get (model, &iter,
1195                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1196                                     -1);
1197                 if (hdr) {
1198                         g_object_unref (G_OBJECT(hdr));
1199                 }
1200                 break;
1201         }
1202         default:
1203                 g_message ("%s: default switch case.", __FUNCTION__);
1204         }
1205
1206         gtk_tree_path_free (source_row);
1207 }
1208
1209 /* Header view drag types */
1210 const GtkTargetEntry header_view_drag_types[] = {
1211         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1212         { "text/uri-list",      0,                   MODEST_MSG },
1213 };
1214
1215 static void
1216 setup_drag_and_drop (GtkTreeView *self)
1217 {
1218         gtk_drag_source_set (GTK_WIDGET (self),
1219                              GDK_BUTTON1_MASK,
1220                              header_view_drag_types,
1221                              G_N_ELEMENTS (header_view_drag_types),
1222                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1223
1224         g_signal_connect(G_OBJECT (self), "drag_data_get",
1225                          G_CALLBACK(drag_data_get_cb), NULL);
1226 }
1227
1228 static GtkTreePath *
1229 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1230 {
1231         GtkTreePath *path = NULL;
1232         GtkTreeSelection *sel = NULL;
1233         GList *rows = NULL;
1234
1235         sel   = gtk_tree_view_get_selection(self);
1236         rows = gtk_tree_selection_get_selected_rows (sel, model);
1237
1238         if ((rows == NULL) || (g_list_length(rows) != 1))
1239                 goto frees;
1240
1241         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1242
1243
1244         /* Free */
1245  frees:
1246         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1247         g_list_free(rows);
1248
1249         return path;
1250 }
1251
1252 /*
1253  * This function moves the tree view scroll to the current selected
1254  * row when the widget grabs the focus
1255  */
1256 static gboolean
1257 on_focus_in (GtkWidget     *self,
1258              GdkEventFocus *event,
1259              gpointer       user_data)
1260 {
1261         GtkTreeSelection *selection;
1262         GtkTreeModel *model;
1263         GList *selected = NULL;
1264         GtkTreePath *selected_path = NULL;
1265
1266         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1267         if (!model)
1268                 return FALSE;
1269
1270         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1271         /* If none selected yet, pick the first one */
1272         if (gtk_tree_selection_count_selected_rows (selection) == 0) {
1273                 GtkTreeIter iter;
1274                 GtkTreePath *path;
1275
1276                 /* Return if the model is empty */
1277                 if (!gtk_tree_model_get_iter_first (model, &iter))
1278                         return FALSE;
1279
1280                 path = gtk_tree_model_get_path (model, &iter);
1281                 gtk_tree_selection_select_path (selection, path);
1282                 gtk_tree_path_free (path);
1283         }
1284
1285         /* Need to get the all the rows because is selection multiple */
1286         selected = gtk_tree_selection_get_selected_rows (selection, &model);
1287         if (selected == NULL) return FALSE;
1288         selected_path = (GtkTreePath *) selected->data;
1289
1290         /* Check if we need to scroll */
1291         #if GTK_CHECK_VERSION(2, 8, 0) /* TODO: gtk_tree_view_get_visible_range() is only available in GTK+ 2.8 */
1292         GtkTreePath *start_path = NULL;
1293         GtkTreePath *end_path = NULL;
1294         if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (self),
1295                                              &start_path,
1296                                              &end_path)) {
1297
1298                 if ((gtk_tree_path_compare (start_path, selected_path) != -1) ||
1299                     (gtk_tree_path_compare (end_path, selected_path) != 1)) {
1300
1301                         /* Scroll to first path */
1302                         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self),
1303                                                       selected_path,
1304                                                       NULL,
1305                                                       TRUE,
1306                                                       0.5,
1307                                                       0.0);
1308                 }
1309         }
1310         #endif /* GTK_CHECK_VERSION */
1311
1312         /* Frees */
1313         g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
1314         g_list_free (selected);
1315
1316         return FALSE;
1317 }
1318
1319 static gboolean
1320 idle_notify_added_headers (gpointer data)
1321 {
1322         modest_platform_on_new_msg ();
1323
1324         return FALSE;
1325 }
1326
1327 static void
1328 idle_notify_headers_count_changed_destroy (gpointer data)
1329 {
1330         HeadersCountChangedHelper *helper = NULL;
1331
1332         g_return_if_fail (data != NULL);
1333         helper = (HeadersCountChangedHelper *) data;
1334
1335         g_object_unref (helper->change);
1336         g_slice_free (HeadersCountChangedHelper, helper);
1337 }
1338
1339 static gboolean
1340 idle_notify_headers_count_changed (gpointer data)
1341 {
1342         TnyFolder *folder = NULL;
1343         ModestHeaderViewPrivate *priv = NULL;
1344         HeadersCountChangedHelper *helper = NULL;
1345
1346         g_return_val_if_fail (data != NULL, FALSE);
1347         helper = (HeadersCountChangedHelper *) data;
1348         g_return_val_if_fail (MODEST_IS_HEADER_VIEW(helper->self), FALSE);
1349         g_return_val_if_fail (TNY_FOLDER_CHANGE(helper->change), FALSE);
1350
1351         folder = tny_folder_change_get_folder (helper->change);
1352
1353         priv = MODEST_HEADER_VIEW_GET_PRIVATE (helper->self);
1354         g_mutex_lock (priv->observers_lock);
1355
1356         /* Emmit signal to evaluate how headers changes affects to the window view  */
1357         g_signal_emit (G_OBJECT(helper->self), signals[MSG_COUNT_CHANGED_SIGNAL], 0, folder, helper->change);
1358
1359         /* Added or removed headers, so data sotred on cliboard are invalid  */
1360         modest_email_clipboard_clear (priv->clipboard);
1361
1362         g_mutex_unlock (priv->observers_lock);
1363
1364         return FALSE;
1365 }
1366
1367 static void
1368 folder_monitor_update (TnyFolderObserver *self,
1369                        TnyFolderChange *change)
1370 {
1371         TnyFolderChangeChanged changed;
1372         HeadersCountChangedHelper *helper = NULL;
1373
1374         changed = tny_folder_change_get_changed (change);
1375
1376         /* We need an idle because this function is called from within
1377            a thread, so it could cause problems if the modest platform
1378            code calls dbus for example */
1379         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS)
1380                 g_idle_add (idle_notify_added_headers, NULL);
1381
1382         /* Check folder count */
1383         if ((changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) ||
1384             (changed & TNY_FOLDER_CHANGE_CHANGED_REMOVED_HEADERS)) {
1385                 helper = g_slice_new0 (HeadersCountChangedHelper);
1386                 helper->self = MODEST_HEADER_VIEW(self);
1387                 helper->change = g_object_ref(change);
1388
1389                 g_idle_add_full (G_PRIORITY_DEFAULT,
1390                                  idle_notify_headers_count_changed,
1391                                  helper,
1392                                  idle_notify_headers_count_changed_destroy);
1393         }
1394 }
1395
1396 void
1397 modest_header_view_clear (ModestHeaderView *self)
1398 {
1399         modest_header_view_set_folder (self, NULL, NULL, NULL);
1400 }
1401
1402 void
1403 modest_header_view_copy_selection (ModestHeaderView *header_view)
1404 {
1405         /* Copy selection */
1406         _clipboard_set_selected_data (header_view, FALSE);
1407 }
1408
1409 void
1410 modest_header_view_cut_selection (ModestHeaderView *header_view)
1411 {
1412         ModestHeaderViewPrivate *priv = NULL;
1413         GtkTreeModel *model = NULL;
1414         const gchar **hidding = NULL;
1415         guint i, n_selected;
1416
1417         g_return_if_fail (MODEST_IS_HEADER_VIEW (header_view));
1418         priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
1419
1420         /* Copy selection */
1421         _clipboard_set_selected_data (header_view, TRUE);
1422
1423         /* Get hidding ids */
1424         hidding = modest_email_clipboard_get_hidding_ids (priv->clipboard, &n_selected);
1425
1426         /* Clear hidding array created by previous cut operation */
1427         _clear_hidding_filter (MODEST_HEADER_VIEW (header_view));
1428
1429         /* Copy hidding array */
1430         priv->n_selected = n_selected;
1431         priv->hidding_ids = g_malloc0(sizeof(gchar *) * n_selected);
1432         for (i=0; i < n_selected; i++)
1433                 priv->hidding_ids[i] = g_strdup(hidding[i]);
1434
1435         /* Hide cut headers */
1436         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1437         if (GTK_IS_TREE_MODEL_FILTER (model))
1438                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
1439 }
1440
1441
1442
1443
1444 static void
1445 _clipboard_set_selected_data (ModestHeaderView *header_view,
1446                               gboolean delete)
1447 {
1448         ModestHeaderViewPrivate *priv = NULL;
1449         TnyList *headers = NULL;
1450
1451         g_return_if_fail (MODEST_IS_HEADER_VIEW (header_view));
1452         priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
1453
1454         /* Set selected data on clipboard   */
1455         g_return_if_fail (MODEST_IS_EMAIL_CLIPBOARD (priv->clipboard));
1456         headers = modest_header_view_get_selected_headers (header_view);
1457         modest_email_clipboard_set_data (priv->clipboard, priv->folder, headers, delete);
1458
1459         /* Free */
1460         g_object_unref (headers);
1461 }
1462
1463
1464
1465 static gboolean
1466 filter_row (GtkTreeModel *model,
1467             GtkTreeIter *iter,
1468             gpointer user_data)
1469 {
1470         ModestHeaderViewPrivate *priv = NULL;
1471         TnyHeader *header = NULL;
1472         guint i;
1473         gchar *id = NULL;
1474         gboolean found = FALSE;
1475
1476         g_return_val_if_fail (MODEST_IS_HEADER_VIEW (user_data), FALSE);
1477         priv = MODEST_HEADER_VIEW_GET_PRIVATE (user_data);
1478
1479         /* If no data on clipboard, return always TRUE */
1480         if (modest_email_clipboard_cleared(priv->clipboard)) return TRUE;
1481
1482         /* Get header from model */
1483         gtk_tree_model_get (model, iter,
1484                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header,
1485                             -1);
1486
1487         /* Get message id from header (ensure is a valid id) */
1488         if (!header) return FALSE;
1489         id = g_strdup(tny_header_get_message_id (header));
1490
1491         /* Check hiding */
1492         if (priv->hidding_ids != NULL)
1493                 for (i=0; i < priv->n_selected && !found; i++)
1494                         if (priv->hidding_ids[i] != NULL && id != NULL)
1495                                 found = (!strcmp (priv->hidding_ids[i], id));
1496
1497         /* Free */
1498         g_object_unref (header);
1499         g_free(id);
1500
1501         return !found;
1502 }
1503
1504 static void
1505 _clear_hidding_filter (ModestHeaderView *header_view)
1506 {
1507         ModestHeaderViewPrivate *priv;
1508         guint i;
1509
1510         g_return_if_fail (MODEST_IS_HEADER_VIEW (header_view));
1511         priv = MODEST_HEADER_VIEW_GET_PRIVATE(header_view);
1512
1513         if (priv->hidding_ids != NULL) {
1514                 for (i=0; i < priv->n_selected; i++)
1515                         g_free (priv->hidding_ids[i]);
1516                 g_free(priv->hidding_ids);
1517         }
1518 }