git.maemo.org Git - modest/blob - src/modest-ui-dimming-rules.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 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43
  44
  45 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  46 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  47 static gboolean _invalid_attach_selected (ModestWindow *win,
  48                                           gboolean unique, gboolean for_view, gboolean for_remove,
  49                                           ModestDimmingRule *rule);
  50 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  51 static gboolean _clipboard_is_empty (ModestWindow *win);
  52 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  53 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  54 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  55 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  56 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  58 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  61 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  62 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  63 static gboolean _folder_view_has_focus (ModestWindow *win);
  64 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  65 static gboolean _msg_download_in_progress (ModestWindow *win);
  66 static gboolean _msg_download_completed (ModestMainWindow *win);
  67 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  68 static gboolean _sending_in_progress (ModestWindow *win);
  69 static gboolean _send_receive_in_progress (ModestWindow *win);
  70 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  71 static gboolean _transfer_mode_enabled (ModestWindow *win);
  72 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  73 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  74
  75
  76 static DimmedState *
  77 _define_main_window_dimming_state (ModestMainWindow *window)
  78 {
  79         DimmedState *state = NULL;
  80         GtkWidget *focused_widget = NULL;
  81         GtkWidget *header_view = NULL;
  82         GtkTreeModel *model = NULL;
  83         TnyList *selected_headers = NULL;
  84         TnyIterator *iter = NULL;
  85         TnyHeader *header = NULL;
  86         ModestCacheMgr *cache_mgr = NULL;
  87         GHashTable *send_queue_cache = NULL;
  88         ModestTnySendQueue *send_queue = NULL;
  89         GSList *send_queues = NULL, *node = NULL;
  90         ModestWindowMgr *mgr = NULL;
  91         gboolean found = FALSE;
  92         gchar *msg_uid = NULL;
  93         TnyHeaderFlags flags;
  94         gboolean all_deleted = TRUE;
  95         gboolean all_seen = TRUE;
  96         gboolean all_cached = TRUE;
  97         gboolean all_has_attach = TRUE;
  98
  99         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 100
 101         /* Init state */
 102         state = g_slice_new0 (DimmedState);
 103         state->n_selected = 0;
 104         state->already_opened_msg = FALSE;
 105         state->any_marked_as_deleted = FALSE;
 106         state->all_marked_as_deleted = FALSE;
 107         state->any_marked_as_seen = FALSE;
 108         state->all_marked_as_seen = FALSE;
 109         state->any_marked_as_cached = FALSE;
 110         state->all_marked_as_cached = FALSE;
 111         state->any_has_attachments = FALSE;
 112         state->all_has_attachments = FALSE;
 113         state->sent_in_progress = FALSE;
 114         state->all_selected = FALSE;
 115
 116         /* Get focused widget */
 117         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 118         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 119                 state->n_selected++;
 120                 return state;
 121         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 122                 header_view = focused_widget;
 123         } else {
 124                 header_view = modest_main_window_get_child_widget (window, MODEST_WIDGET_TYPE_HEADER_VIEW);
 125         }
 126
 127         /* Get header view and selected headers */
 128         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 129         if (!selected_headers)
 130                 return state;
 131
 132         /* Examine selected headers */
 133         iter = tny_list_create_iterator (selected_headers);
 134         while (!tny_iterator_is_done (iter)) {
 135                 header = TNY_HEADER (tny_iterator_get_current (iter));
 136                 flags = tny_header_get_flags (header);
 137
 138                 /* No selected */
 139                 state->n_selected++;
 140
 141                 /* Already opened */
 142                 mgr = modest_runtime_get_window_mgr ();
 143                 if (!state->already_opened_msg)
 144                         state->already_opened_msg = modest_window_mgr_find_registered_header (mgr, header, NULL);
 145
 146
 147                 /* Mark as deleted */
 148                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 149                 state->all_marked_as_deleted = all_deleted;
 150                 if (!state->any_marked_as_deleted)
 151                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 152
 153                 /* Mark as seen */
 154                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 155                 state->all_marked_as_seen = all_seen;
 156                 if (!state->any_marked_as_seen)
 157                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 158
 159                 /* Mark as cached */
 160                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 161                 state->all_marked_as_cached = all_cached;
 162                 if (!state->any_marked_as_cached)
 163                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 164
 165                 /* Mark has_attachments */
 166                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 167                 state->all_has_attachments = all_has_attach;
 168                 if (!state->any_has_attachments)
 169                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 170
 171                 /* sent in progress */
 172                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 173                 if (!state->sent_in_progress) {
 174                         cache_mgr = modest_runtime_get_cache_mgr ();
 175                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 176                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 177
 178                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 179
 180                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 181                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 182
 183                                 /* Check if msg uid is being processed inside send queue */
 184                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 185                         }
 186                         state->sent_in_progress = found;
 187                 }
 188
 189                 tny_iterator_next (iter);
 190                 g_object_unref (header);
 191         }
 192
 193         /* check if all the headers are selected or not */
 194         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 195         if (model != NULL){
 196                 gint count;
 197                 count = gtk_tree_model_iter_n_children(model, NULL);
 198                 if(state->n_selected == count != 0)
 199                         state->all_selected = TRUE;
 200         }
 201
 202         /* Free */
 203         g_free(msg_uid);
 204         g_object_unref(selected_headers);
 205         g_object_unref(iter);
 206         g_slist_free (send_queues);
 207
 208         return state;
 209 }
 210
 211 static DimmedState *
 212 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 213 {
 214         DimmedState *state = NULL;
 215         TnyHeader *header = NULL;
 216         ModestCacheMgr *cache_mgr = NULL;
 217         GHashTable *send_queue_cache = NULL;
 218         ModestTnySendQueue *send_queue = NULL;
 219         GSList *send_queues = NULL, *node = NULL;
 220         gboolean found = FALSE;
 221         gchar *msg_uid = NULL;
 222         TnyHeaderFlags flags;
 223         gboolean all_deleted = TRUE;
 224         gboolean all_seen = TRUE;
 225         gboolean all_cached = TRUE;
 226         gboolean all_has_attach = TRUE;
 227
 228         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 229
 230         /* Init state */
 231         state = g_slice_new0 (DimmedState);
 232         state->n_selected = 0;
 233         state->already_opened_msg = FALSE;
 234         state->any_marked_as_deleted = FALSE;
 235         state->all_marked_as_deleted = FALSE;
 236         state->any_marked_as_seen = FALSE;
 237         state->all_marked_as_seen = FALSE;
 238         state->any_marked_as_cached = FALSE;
 239         state->all_marked_as_cached = FALSE;
 240         state->any_has_attachments = FALSE;
 241         state->all_has_attachments = FALSE;
 242         state->sent_in_progress = FALSE;
 243
 244         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 245         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 246         flags = tny_header_get_flags (header);
 247
 248         /* Selected */
 249         state->n_selected++;
 250
 251         /* Mark as deleted */
 252         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 253         state->all_marked_as_deleted = all_deleted;
 254         if (!state->any_marked_as_deleted)
 255                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 256
 257         /* Mark as seen */
 258         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 259         state->all_marked_as_seen = all_seen;
 260         if (!state->any_marked_as_seen)
 261                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 262
 263         /* Mark as cached */
 264         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 265         state->all_marked_as_cached = all_cached;
 266         if (!state->any_marked_as_cached)
 267                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 268
 269         /* Mark has_attachments */
 270         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 271         state->all_has_attachments = all_has_attach;
 272         if (!state->any_has_attachments)
 273                 state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 274
 275         /* sent in progress */
 276         msg_uid = modest_tny_send_queue_get_msg_id (header);
 277         if (!state->sent_in_progress) {
 278                 cache_mgr = modest_runtime_get_cache_mgr ();
 279                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 280                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 281
 282                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 283
 284                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 285                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 286
 287                         /* Check if msg uid is being processed inside send queue */
 288                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 289                 }
 290                 state->sent_in_progress = found;
 291         }
 292
 293         /* Free */
 294         g_free(msg_uid);
 295         g_object_unref (header);
 296         g_slist_free (send_queues);
 297
 298         return state;
 299 }
 300
 301
 302 DimmedState *
 303 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 304 {
 305         DimmedState *state = NULL;
 306
 307         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 308
 309         if (MODEST_IS_MAIN_WINDOW (window))
 310                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 311         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 312                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 313         }
 314
 315         return state;
 316 }
 317
 318
 319 gboolean
 320 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 321 {
 322         ModestDimmingRule *rule = NULL;
 323         gboolean dimmed = FALSE;
 324
 325         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 326         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 327         rule = MODEST_DIMMING_RULE (user_data);
 328
 329         /* Check dimmed rule */
 330         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 331                 if (!dimmed) {
 332                         dimmed = _msg_download_in_progress (win);
 333                         if (dimmed)
 334                                 modest_dimming_rule_set_notification (rule, "");
 335                 }
 336         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 337                 if (!dimmed) {
 338                         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 339                                                                   TRUE);
 340                         if (dimmed)
 341                                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 342                 }
 343         }
 344
 345         return dimmed;
 346 }
 347
 348 gboolean
 349 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 350 {
 351         ModestDimmingRule *rule = NULL;
 352         GtkWidget *folder_view = NULL;
 353         TnyFolderStore *parent_folder = NULL;
 354         gboolean dimmed = FALSE;
 355
 356         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 357         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 358         rule = MODEST_DIMMING_RULE (user_data);
 359
 360         /* Get selected folder as parent of new folder to create */
 361         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 362                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 363         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 364         if (!parent_folder)
 365                 return TRUE;
 366
 367         if (TNY_IS_ACCOUNT (parent_folder)) {
 368                 /* If it's the local account then do not dim */
 369                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 370                         dimmed = FALSE;
 371                 } else {
 372                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 373                         if (proto_str != NULL) {
 374                                 /* If it's POP then dim */
 375                                 dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 376                                           MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 377                                 if (dimmed)
 378                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 379                         }
 380                 }
 381         } else {
 382                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 383
 384                 TnyFolderType types[3];
 385
 386                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 387                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 388                 types[2] = TNY_FOLDER_TYPE_SENT;
 389
 390                 /* Apply folder rules */
 391                 if (!dimmed) {
 392                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 393                         if (dimmed)
 394                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 395                 }
 396                 if (!dimmed) {
 397                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 398                         if (dimmed)
 399                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 400                 }
 401         }
 402
 403         /* if not the folder is selected then dim */
 404         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 405                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 406         if (folder_view && !gtk_widget_is_focus (folder_view))
 407                 dimmed = TRUE;
 408
 409         g_object_unref (parent_folder);
 410
 411         return dimmed;
 412 }
 413
 414 gboolean
 415 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 416 {
 417         ModestDimmingRule *rule = NULL;
 418         GtkWidget *folder_view = NULL;
 419         GtkWidget *header_view = NULL;
 420         gboolean dimmed = FALSE;
 421
 422         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 423         rule = MODEST_DIMMING_RULE (user_data);
 424
 425         if (MODEST_IS_MAIN_WINDOW (win)) {
 426                 /* Get the folder view */
 427                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 428                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 429
 430                 /* Get header view */
 431                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 432                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 433
 434                 if (header_view && gtk_widget_is_focus (header_view))
 435                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 436
 437                 if (folder_view && gtk_widget_is_focus (folder_view))
 438                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 439
 440                 if (header_view && folder_view &&
 441                     !gtk_widget_is_focus (header_view) &&
 442                     !gtk_widget_is_focus (folder_view)) {
 443                         dimmed = TRUE;
 444                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 445                 }
 446         } else {
 447                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 448         }
 449
 450         return dimmed;
 451 }
 452
 453
 454
 455 gboolean
 456 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 457 {
 458         ModestDimmingRule *rule = NULL;
 459         TnyFolderType types[6];
 460         gboolean dimmed = FALSE;
 461
 462         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 463         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 464         rule = MODEST_DIMMING_RULE (user_data);
 465
 466         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 467         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 468         types[2] = TNY_FOLDER_TYPE_SENT;
 469         types[3] = TNY_FOLDER_TYPE_INBOX;
 470         types[4] = TNY_FOLDER_TYPE_ROOT;
 471         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 472
 473
 474         /* Check dimmed rule */
 475         if (!dimmed) {
 476                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 477                 if (dimmed)
 478                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 479         }
 480         if (!dimmed) {
 481                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 482                 if (dimmed)
 483                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 484         }
 485         if (!dimmed) {
 486                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 487                 if (dimmed)
 488                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 489         }
 490         if (!dimmed) {
 491                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 492                 if (dimmed)
 493                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 494         }
 495         if (!dimmed) {
 496                 dimmed = _transfer_mode_enabled (win);
 497                 if (dimmed)
 498                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 499         }
 500
 501         return dimmed;
 502 }
 503
 504 gboolean
 505 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 506 {
 507         ModestDimmingRule *rule = NULL;
 508         gboolean dimmed = FALSE;
 509
 510         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 511         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 512         rule = MODEST_DIMMING_RULE (user_data);
 513
 514         /* Check dimmed rule */
 515         if (!dimmed) {
 516                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 517                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 518         }
 519
 520         if (!dimmed) {
 521                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 522                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 523         }
 524
 525         return dimmed;
 526
 527 }
 528
 529 gboolean
 530 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 531 {
 532         ModestDimmingRule *rule = NULL;
 533         TnyFolderType types[4];
 534         gboolean dimmed = FALSE;
 535
 536         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 537         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 538         rule = MODEST_DIMMING_RULE (user_data);
 539
 540         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 541         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 542         types[2] = TNY_FOLDER_TYPE_SENT;
 543         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 544
 545         /* Check dimmed rule */
 546         if (!dimmed) {
 547                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 548                 if (dimmed)
 549                         modest_dimming_rule_set_notification (rule, "");
 550         }
 551         if (!dimmed) {
 552                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 553                 if (dimmed)
 554                         modest_dimming_rule_set_notification (rule, "");
 555         }
 556         if (!dimmed) {
 557                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 558                 if (dimmed)
 559                         modest_dimming_rule_set_notification (rule, "");
 560         }
 561
 562         return dimmed;
 563 }
 564
 565 gboolean
 566 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 567 {
 568         ModestDimmingRule *rule = NULL;
 569         gboolean dimmed = FALSE;
 570         const DimmedState *state = NULL;
 571
 572         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 573         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 574         rule = MODEST_DIMMING_RULE (user_data);
 575         state = modest_window_get_dimming_state (win);
 576
 577         /* Check dimmed rule */
 578         if (!dimmed) {
 579                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 580         }
 581         if (!dimmed) {
 582                 dimmed = state->any_marked_as_deleted;
 583                 if (dimmed)
 584                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 585         }
 586         if (!dimmed) {
 587                 dimmed = _selected_msg_sent_in_progress (win);
 588                 if (dimmed)
 589                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 590         }
 591
 592         return dimmed;
 593 }
 594
 595 gboolean
 596 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 597 {
 598         ModestDimmingRule *rule = NULL;
 599         gboolean dimmed = FALSE;
 600         TnyFolderType types[3];
 601
 602         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 603         rule = MODEST_DIMMING_RULE (user_data);
 604
 605         /* main window dimming rules */
 606         if (MODEST_IS_MAIN_WINDOW(win)) {
 607
 608                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 609                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 610                 types[2] = TNY_FOLDER_TYPE_ROOT;
 611
 612                 /* Check dimmed rule */
 613                 if (!dimmed) {
 614                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 615                         if (dimmed)
 616                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 617                 }
 618                 if (!dimmed) {
 619                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 620                         if (dimmed)
 621                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 622                 }
 623                 if (!dimmed) {
 624                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 625                 }
 626         /* msg view window dimming rules */
 627         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 628
 629                 /* Check dimmed rule */
 630                 if (!dimmed) {
 631                         dimmed = _transfer_mode_enabled (win);
 632                         if (dimmed)
 633                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 634                 }
 635                 if (!dimmed) {
 636                         dimmed = _msg_download_in_progress (win);
 637                         if (dimmed)
 638                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 639                 }
 640         }
 641
 642         return dimmed;
 643 }
 644
 645
 646 gboolean
 647 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 648 {
 649         ModestDimmingRule *rule = NULL;
 650         gboolean dimmed = FALSE;
 651
 652         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 653         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 654         rule = MODEST_DIMMING_RULE (user_data);
 655
 656         /* Check dimmed rule */
 657         if (!dimmed) {
 658                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 659         }
 660         if (!dimmed) {
 661                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 662                 if (dimmed)
 663                         modest_dimming_rule_set_notification (rule, "");
 664         }
 665
 666         return dimmed;
 667 }
 668
 669 gboolean
 670 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 671 {
 672         gboolean dimmed = FALSE;
 673
 674         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 675
 676         /* Check dimmed rule */
 677         if (!dimmed)
 678                 dimmed = TRUE;
 679
 680         return dimmed;
 681 }
 682
 683 gboolean
 684 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 685 {
 686         ModestDimmingRule *rule = NULL;
 687         guint n_messages = 0;
 688         const DimmedState *state = NULL;
 689         gboolean dimmed = FALSE;
 690
 691         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 692         rule = MODEST_DIMMING_RULE (user_data);
 693         state = modest_window_get_dimming_state (win);
 694
 695         /* Check dimmed rule */
 696         if (MODEST_IS_MAIN_WINDOW (win)) {
 697                 if (!dimmed) {
 698                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 699                         if (dimmed)
 700                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 701                 }
 702                 if (!dimmed) {
 703                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 704                 }
 705                 if (!dimmed) {
 706                         dimmed = state->already_opened_msg;
 707                         n_messages = state->n_selected;
 708                         if (dimmed) {
 709                                 gchar *num = g_strdup_printf ("%d", n_messages);
 710                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 711                                 modest_dimming_rule_set_notification (rule, message);
 712                                 g_free(message);
 713                                 g_free(num);
 714                         }
 715
 716                 }
 717                 if (!dimmed) {
 718                         dimmed = state->any_marked_as_deleted;
 719                         if (dimmed) {
 720                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 721                         }
 722                 }
 723                 if (!dimmed) {
 724                         dimmed = state->sent_in_progress;
 725                         if (dimmed)
 726                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 727                 }
 728         }
 729         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 730                 if (!dimmed) {
 731                         dimmed = _transfer_mode_enabled (win);
 732                         if (dimmed)
 733                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 734                 }
 735                 if (!dimmed) {
 736                         dimmed = state->any_marked_as_deleted;
 737                         if (dimmed)
 738                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 739                 }
 740
 741                 /* The delete button should be dimmed when viewing an attachment,
 742                  * but should be enabled when viewing a message from the list,
 743                  * or when viewing a search result.
 744                  */
 745                 if (!dimmed) {
 746                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 747                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 748                                 if (dimmed) {
 749                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 750                                 }
 751                         }
 752                 }
 753         }
 754
 755         return dimmed;
 756 }
 757
 758 gboolean
 759 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 760 {
 761         ModestDimmingRule *rule = NULL;
 762         GtkWidget *header_view = NULL;
 763         gboolean dimmed = FALSE;
 764
 765         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 766         rule = MODEST_DIMMING_RULE (user_data);
 767
 768         /* main window dimming rules */
 769         if (MODEST_IS_MAIN_WINDOW(win)) {
 770
 771                 /* Check dimmed rule */
 772                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 773                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 774
 775                 /* If the header view has the focus: */
 776                 if (header_view && gtk_widget_is_focus (header_view)) {
 777                         /* Check dimmed rule */
 778                         if (!dimmed)
 779                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 780                 }
 781                 else {
 782                         /* If the folder view has the focus: */
 783                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 784                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 785                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 786                                 TnyFolderStore *folder_store
 787                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 788                                 if (folder_store) {
 789                                         /* Only enable for folders, not accounts,
 790                                          * though the UI spec is not clear about that.
 791                                          * If we enable this for accounts then we must
 792                                          * add code to handle them in modest_ui_actions_on_details(). */
 793                                         if (!TNY_IS_FOLDER(folder_store)) {
 794                                                 dimmed = TRUE;
 795                                                 modest_dimming_rule_set_notification (rule, "");
 796                                         }
 797
 798                                         g_object_unref (folder_store);
 799                                 }
 800                                 if (!dimmed) {
 801                                         dimmed = _msg_download_in_progress (win);
 802                                         if (dimmed)
 803                                                 modest_dimming_rule_set_notification (rule, "");
 804                                 }
 805
 806                         }
 807
 808                 }
 809
 810         /* msg view window dimming rules */
 811         } else {
 812
 813                 /* Check dimmed rule */
 814                 if (!dimmed) {
 815                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 816                                 dimmed = _msg_download_in_progress (win);
 817                         if (dimmed)
 818                                 modest_dimming_rule_set_notification (rule, "");
 819                 }
 820         }
 821
 822         return dimmed;
 823 }
 824
 825
 826 gboolean
 827 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 828 {
 829         ModestDimmingRule *rule = NULL;
 830         TnyHeaderFlags flags;
 831         const DimmedState *state = NULL;
 832         gboolean dimmed = FALSE;
 833
 834         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 835         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 836         rule = MODEST_DIMMING_RULE (user_data);
 837         state = modest_window_get_dimming_state (win);
 838
 839         flags = TNY_HEADER_FLAG_SEEN;
 840
 841         /* Check dimmed rule */
 842         if (!dimmed) {
 843                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 844         }
 845         if (!dimmed) {
 846                 dimmed = state->all_marked_as_seen;
 847                 if (dimmed)
 848                         modest_dimming_rule_set_notification (rule, "");
 849         }
 850
 851         return dimmed;
 852 }
 853
 854 gboolean
 855 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 856 {
 857         ModestDimmingRule *rule = NULL;
 858         TnyHeaderFlags flags;
 859         const DimmedState *state = NULL;
 860         gboolean dimmed = FALSE;
 861
 862         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 863         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 864         rule = MODEST_DIMMING_RULE (user_data);
 865         state = modest_window_get_dimming_state (win);
 866
 867         flags = TNY_HEADER_FLAG_SEEN;
 868
 869         /* Check dimmed rule */
 870         if (!dimmed)
 871                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 872         if (!dimmed) {
 873                 dimmed = !state->any_marked_as_seen;
 874                 if (dimmed)
 875                         modest_dimming_rule_set_notification (rule, "");
 876         }
 877
 878         return dimmed;
 879 }
 880
 881 gboolean
 882 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 883 {
 884         ModestDimmingRule *rule = NULL;
 885         gboolean dimmed = FALSE;
 886
 887         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 888         rule = MODEST_DIMMING_RULE (user_data);
 889
 890         if (MODEST_IS_MAIN_WINDOW (win))
 891                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 892         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 893                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 894
 895         return dimmed;
 896 }
 897
 898
 899 gboolean
 900 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 901 {
 902         GtkWidget *folder_view = NULL;
 903         ModestDimmingRule *rule = NULL;
 904         guint n_messages = 0;
 905         const DimmedState *state = NULL;
 906         gboolean dimmed = FALSE;
 907
 908         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 909         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 910         rule = MODEST_DIMMING_RULE (user_data);
 911         state = modest_window_get_dimming_state (win);
 912
 913         /* Get the folder view */
 914         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 915                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 916
 917
 918         /* Check diming rules for folders transfer  */
 919         if (gtk_widget_is_focus (folder_view)) {
 920                 TnyFolderType types[5];
 921
 922                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 923                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 924                 types[2] = TNY_FOLDER_TYPE_SENT;
 925                 types[3] = TNY_FOLDER_TYPE_ROOT;
 926                 types[4] = TNY_FOLDER_TYPE_INBOX;
 927
 928                 /* Apply folder rules */
 929                 if (!dimmed) {
 930                         dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
 931                         if (dimmed)
 932                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 933                 }
 934                 if (!dimmed) {
 935                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 936                         if (dimmed)
 937                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 938                 }
 939         }
 940
 941         /* Check diming rules for messages transfer  */
 942         if (!dimmed) {
 943                 dimmed = state->already_opened_msg;
 944                 n_messages = state->n_selected;
 945                 if (dimmed) {
 946                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 947                         modest_dimming_rule_set_notification (rule, message);
 948                         g_free(message);
 949                 }
 950         }
 951         if (!dimmed) {
 952                 if (!gtk_widget_is_focus (folder_view))
 953                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 954
 955         }
 956         if (!dimmed) {
 957                 dimmed = _selected_msg_sent_in_progress (win);
 958                 if (dimmed)
 959                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
 960         }
 961
 962         return dimmed;
 963 }
 964
 965 gboolean
 966 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 967 {
 968         ModestDimmingRule *rule = NULL;
 969         gboolean dimmed = FALSE;
 970
 971         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 972         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 973         rule = MODEST_DIMMING_RULE (user_data);
 974
 975         /* Check dimmed rule */
 976         if (!dimmed) {
 977                 dimmed = _transfer_mode_enabled (win);
 978                 if (dimmed)
 979                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 980         }
 981
 982         if (!dimmed) {
 983                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 984                         /* The move_to button should be dimmed when viewing an attachment,
 985                          * but should be enabled when viewing a message from the list,
 986                          * or when viewing a search result.
 987                          */
 988                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 989                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 990                         }
 991                 }
 992
 993                 if (dimmed)
 994                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 995         }
 996
 997         return dimmed;
 998 }
 999
1000 gboolean
1001 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1002 {
1003         ModestDimmingRule *rule = NULL;
1004         gboolean dimmed = FALSE;
1005
1006         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1007         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1008         rule = MODEST_DIMMING_RULE (user_data);
1009
1010         /* Check dimmed rule */
1011         if (!dimmed) {
1012                 dimmed = _transfer_mode_enabled (win);
1013                 if (dimmed)
1014                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1015         }
1016
1017         return dimmed;
1018 }
1019
1020 gboolean
1021 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1022 {
1023         ModestDimmingRule *rule = NULL;
1024         TnyFolderType types[3];
1025         gboolean dimmed = FALSE;
1026
1027         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1028         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1029         rule = MODEST_DIMMING_RULE (user_data);
1030
1031         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1032         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1033         types[2] = TNY_FOLDER_TYPE_SENT;
1034
1035         /* Check dimmed rule */
1036         if (!dimmed) {
1037                 dimmed = _clipboard_is_empty (win);
1038                 if (dimmed)
1039                         modest_dimming_rule_set_notification (rule,
1040                                                               dgettext("hildon-common-strings",
1041                                                                        "ecoc_ib_edwin_nothing_to_paste"));
1042         }
1043         if (!dimmed) {
1044                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1045                 if (dimmed)
1046                         modest_dimming_rule_set_notification (rule,
1047                                                               dgettext("hildon-common-strings",
1048                                                                        "ckct_ib_unable_to_paste_here"));
1049         }
1050         if (!dimmed) {
1051                 dimmed = !_folder_view_has_focus (win);
1052                 if (dimmed)
1053                         modest_dimming_rule_set_notification (rule,
1054                                         dgettext("hildon-common-strings",
1055                                         "ckct_ib_unable_to_paste_here"));
1056         }
1057         if (!dimmed) {
1058                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1059                 if (dimmed)
1060                         modest_dimming_rule_set_notification (rule,
1061                                                               dgettext("hildon-common-strings",
1062                                                                        "ckct_ib_unable_to_paste_here"));
1063         }
1064         if (!dimmed) {
1065                 dimmed = _selected_folder_is_same_as_source (win);
1066                 if (dimmed)
1067                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1068         }
1069         if (!dimmed) {
1070                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1071                 if (dimmed)
1072                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1073         }
1074
1075         return dimmed;
1076 }
1077
1078
1079 gboolean
1080 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1081 {
1082         ModestDimmingRule *rule = NULL;
1083         gboolean dimmed = FALSE;
1084
1085         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1086         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1087         rule = MODEST_DIMMING_RULE (user_data);
1088
1089         /* Check dimmed rule */
1090         if (!dimmed)
1091                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1092
1093         if (!dimmed)
1094                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1095
1096         if (dimmed)
1097                 modest_dimming_rule_set_notification (rule, "");
1098
1099         return dimmed;
1100 }
1101
1102 gboolean
1103 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1104 {
1105         ModestDimmingRule *rule = NULL;
1106         gboolean dimmed = FALSE;
1107
1108         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1109         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1110         rule = MODEST_DIMMING_RULE (user_data);
1111
1112         /* Check dimmed rule */
1113         if (!dimmed)
1114                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1115
1116         if (!dimmed) {
1117                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1118                 if (dimmed) {
1119                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1120                 }
1121         }
1122
1123         return dimmed;
1124 }
1125
1126 gboolean
1127 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1128 {
1129         ModestDimmingRule *rule = NULL;
1130         gboolean dimmed = FALSE;
1131
1132         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1133         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1134         rule = MODEST_DIMMING_RULE (user_data);
1135
1136         /* Check dimmed rule */
1137         if (!dimmed)
1138                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1139
1140         if (!dimmed) {
1141                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1142                 if (dimmed) {
1143                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1144                 }
1145         }
1146
1147         return dimmed;
1148 }
1149
1150 gboolean
1151 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1152 {
1153         ModestDimmingRule *rule = NULL;
1154         const DimmedState *state = NULL;
1155         gboolean dimmed = FALSE;
1156
1157         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1158         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1159         rule = MODEST_DIMMING_RULE (user_data);
1160         state = modest_window_get_dimming_state (win);
1161
1162         /* Check in main window if there's only one message selected */
1163         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1164                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1165         }
1166
1167         /* Check in view window if there's any attachment selected */
1168         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1169                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1170                 if (dimmed)
1171                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1172         }
1173
1174         /* cannot purge in editable drafts nor pop folders */
1175         if (!dimmed) {
1176                 dimmed = _invalid_folder_for_purge (win, rule);
1177         }
1178
1179         /* Check if the selected message in main window has attachments */
1180         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1181                 dimmed = state->any_has_attachments;
1182                 if (dimmed)
1183                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1184         }
1185
1186         /* Check if all attachments are already purged */
1187         if (!dimmed) {
1188                 dimmed = _purged_attach_selected (win, TRUE, rule);
1189         }
1190
1191         /* Check if the message is already downloaded */
1192         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1193                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1194                 if (dimmed)
1195                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1196         }
1197
1198
1199         return dimmed;
1200 }
1201
1202 gboolean
1203 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1204 {
1205         ModestDimmingRule *rule = NULL;
1206         gboolean dimmed = FALSE;
1207
1208         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1209         rule = MODEST_DIMMING_RULE (user_data);
1210
1211         /* Check dimmed rule */
1212         if (!dimmed) {
1213                 dimmed = _clipboard_is_empty (win);
1214                 if (dimmed)
1215                         modest_dimming_rule_set_notification (rule, "");
1216         }
1217
1218         return dimmed;
1219 }
1220
1221 gboolean
1222 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1223 {
1224         ModestDimmingRule *rule = NULL;
1225         const DimmedState *state = NULL;
1226         gboolean dimmed = FALSE;
1227
1228         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1229         rule = MODEST_DIMMING_RULE (user_data);
1230         state = modest_window_get_dimming_state (win);
1231
1232         /* Check common dimming rules */
1233         if (!dimmed) {
1234                 dimmed = _invalid_clipboard_selected (win, rule);
1235         }
1236
1237         /* Check window specific dimming rules */
1238         if (MODEST_IS_MAIN_WINDOW (win)) {
1239                 /* Get focused widget */
1240                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1241
1242                 if (MODEST_IS_HEADER_VIEW (focused)) {
1243                         if (!dimmed) {
1244                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1245                                 if (dimmed)
1246                                         modest_dimming_rule_set_notification (rule, "");
1247                         }
1248                         if (!dimmed) {
1249                                 dimmed = _selected_msg_sent_in_progress (win);
1250                                 if (dimmed)
1251                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1252                         }
1253                         if (!dimmed) {
1254                                 dimmed = state->already_opened_msg;
1255                                 if(dimmed)
1256                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1257                         }
1258                 }
1259                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1260                         TnyFolderType types[3];
1261
1262                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1263                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1264                         types[2] = TNY_FOLDER_TYPE_SENT;
1265
1266                         /* Apply folder rules */
1267                         if (!dimmed) {
1268                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1269                                 if (dimmed)
1270                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
1271                         }
1272                         if (!dimmed) {
1273                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1274                                 if (dimmed)
1275                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1276                         }
1277                         if (!dimmed) {
1278                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1279                                 if (dimmed)
1280                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1281                         }
1282                 }
1283         }
1284
1285         return dimmed;
1286 }
1287
1288 gboolean
1289 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1290 {
1291         ModestDimmingRule *rule = NULL;
1292         const DimmedState *state = NULL;
1293         gboolean dimmed = FALSE;
1294
1295         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1296         rule = MODEST_DIMMING_RULE (user_data);
1297         state = modest_window_get_dimming_state (win);
1298
1299         /* Check common dimming rules */
1300         if (!dimmed) {
1301                 dimmed = _invalid_clipboard_selected (win, rule);
1302         }
1303
1304         /* Check window specific dimming rules */
1305         if (MODEST_IS_MAIN_WINDOW (win)) {
1306                 /* Get focused widget */
1307                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1308
1309                 if (MODEST_IS_HEADER_VIEW (focused)) {
1310                         if (!dimmed) {
1311                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1312                                 if (dimmed)
1313                                         modest_dimming_rule_set_notification (rule, "");
1314                         }
1315                         if (!dimmed) {
1316                                 dimmed = _selected_msg_sent_in_progress (win);
1317                                 if (dimmed)
1318                                         modest_dimming_rule_set_notification (rule, _(""));
1319                         }
1320                         if (!dimmed) {
1321                                 dimmed = state->already_opened_msg;
1322                                 if(dimmed)
1323                                         modest_dimming_rule_set_notification (rule, _(""));
1324                         }
1325                 }
1326                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1327                         TnyFolderType types[3];
1328
1329                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1330                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1331                         types[2] = TNY_FOLDER_TYPE_SENT;
1332
1333                         if (!dimmed) {
1334                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1335                                 if (dimmed)
1336                                         modest_dimming_rule_set_notification (rule, _(""));
1337                         }
1338                         if (!dimmed) {
1339                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1340                                 if (dimmed)
1341                                         modest_dimming_rule_set_notification (rule, _(""));
1342                         }
1343                 }
1344         }
1345
1346         return dimmed;
1347 }
1348
1349 gboolean
1350 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1351 {
1352         ModestDimmingRule *rule = NULL;
1353         gboolean dimmed = FALSE;
1354
1355         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1356         rule = MODEST_DIMMING_RULE (user_data);
1357
1358         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1359
1360         /* Check dimmed rule */
1361         if (!dimmed) {
1362                 dimmed = _transfer_mode_enabled (win);
1363                 if (dimmed)
1364                         modest_dimming_rule_set_notification (
1365                                         rule, _("mail_ib_notavailable_downloading"));
1366         }
1367         if (!dimmed) {
1368                 dimmed = modest_msg_view_window_first_message_selected (
1369                                 MODEST_MSG_VIEW_WINDOW(win));
1370                 modest_dimming_rule_set_notification (rule, NULL);
1371         }
1372
1373         return dimmed;
1374 }
1375
1376 gboolean
1377 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1378 {
1379         ModestDimmingRule *rule = NULL;
1380         gboolean dimmed = FALSE;
1381
1382         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1383         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1384         rule = MODEST_DIMMING_RULE (user_data);
1385
1386         /* Check dimmed rule */
1387         if (!dimmed) {
1388                 dimmed = _transfer_mode_enabled (win);
1389                 if (dimmed)
1390                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1391         }
1392         if (!dimmed) {
1393                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1394                 modest_dimming_rule_set_notification (rule, NULL);
1395         }
1396
1397         return dimmed;
1398 }
1399
1400
1401 gboolean
1402 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1403 {
1404         const gboolean dimmed =
1405                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1406                         TRUE);
1407
1408         return dimmed;
1409 }
1410
1411 gboolean
1412 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1413 {
1414         ModestDimmingRule *rule = NULL;
1415         TnyFolderType types[1];
1416         const DimmedState *state = NULL;
1417         gboolean dimmed = FALSE;
1418
1419         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1420         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1421         rule = MODEST_DIMMING_RULE (user_data);
1422         state = modest_window_get_dimming_state (win);
1423
1424         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1425
1426         /* Check dimmed rules */
1427         if (!dimmed) {
1428                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1429                 if (dimmed)
1430                         modest_dimming_rule_set_notification (rule, "");
1431         }
1432         if (!dimmed) {
1433                 dimmed = !_sending_in_progress (win);
1434                 if (dimmed)
1435                         modest_dimming_rule_set_notification (rule, "");
1436         }
1437
1438         return dimmed;
1439 }
1440
1441 gboolean
1442 modest_ui_dimming_rules_on_csm_cancel_sending (ModestWindow *win, gpointer user_data)
1443 {
1444         ModestDimmingRule *rule = NULL;
1445         TnyFolderType types[1];
1446         const DimmedState *state = NULL;
1447         gboolean dimmed = FALSE;
1448
1449         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1450         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1451         rule = MODEST_DIMMING_RULE (user_data);
1452         state = modest_window_get_dimming_state (win);
1453
1454         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1455
1456         /* Check dimmed rules */
1457         if (!dimmed) {
1458                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1459                 if (dimmed)
1460                         modest_dimming_rule_set_notification (rule, "");
1461         }
1462         if (!dimmed) {
1463                 dimmed = !_send_receive_in_progress (win);
1464                 if (dimmed)
1465                         modest_dimming_rule_set_notification (rule, "");
1466         }
1467
1468         return dimmed;
1469 }
1470
1471 gboolean
1472 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1473 {
1474         ModestDimmingRule *rule = NULL;
1475         gboolean dimmed = FALSE;
1476
1477         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1478         rule = MODEST_DIMMING_RULE (user_data);
1479
1480         /* Check dimmed rule */
1481         if (!dimmed) {
1482                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1483                                                           TRUE);
1484                 if (dimmed)
1485                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1486         }
1487
1488         return dimmed;
1489 }
1490
1491 gboolean
1492 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1493 {
1494         ModestDimmingRule *rule = NULL;
1495         gboolean dimmed = FALSE;
1496
1497         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1498         rule = MODEST_DIMMING_RULE (user_data);
1499
1500         /* Check dimmed rule */
1501         if (!dimmed) {
1502                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1503                 gchar *selection = NULL;
1504                 selection = gtk_clipboard_wait_for_text (clipboard);
1505
1506                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1507         }
1508
1509         return dimmed;
1510 }
1511
1512 /* *********************** static utility functions ******************** */
1513
1514
1515 static gboolean
1516 _selected_folder_not_writeable (ModestMainWindow *win,
1517                                 gboolean for_paste)
1518 {
1519         GtkWidget *folder_view = NULL;
1520         TnyFolderStore *parent_folder = NULL;
1521         ModestEmailClipboard *clipboard = NULL;
1522         ModestTnyFolderRules rules;
1523         gboolean is_local_acc = FALSE;
1524         gboolean xfer_folders = FALSE;
1525         gboolean result = FALSE;
1526
1527         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1528
1529         /* Get folder view */
1530         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1531                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1532         /* If no folder view, always dimmed */
1533         if (!folder_view)
1534                 return TRUE;
1535
1536         /* Get selected folder as parent of new folder to create */
1537         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1538         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1539                 /* If it's the local account and its transfering folders, then do not dim */
1540                 if (TNY_IS_ACCOUNT (parent_folder)) {
1541                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
1542                         if (for_paste) {
1543                                 clipboard = modest_runtime_get_email_clipboard ();
1544                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
1545                         }
1546                 }
1547
1548                 if (for_paste)
1549                         result = !(is_local_acc && xfer_folders);
1550                 else
1551                         result = !is_local_acc;
1552                 goto frees;
1553         }
1554
1555         /* Check dimmed rule */
1556         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1557         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1558
1559         /* free */
1560  frees:
1561         if (parent_folder != NULL)
1562                 g_object_unref (parent_folder);
1563
1564         return result;
1565 }
1566
1567 static gboolean
1568 _selected_folder_not_deletable (ModestMainWindow *win)
1569 {
1570         GtkWidget *folder_view = NULL;
1571         TnyFolderStore *parent_folder = NULL;
1572         ModestTnyFolderRules rules;
1573         gboolean result = FALSE;
1574
1575         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1576
1577         /* Get folder view */
1578         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1579                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1580         /* If no folder view, always dimmed */
1581         if (!folder_view)
1582                 return TRUE;
1583
1584         /* Get selected folder as parent of new folder to create */
1585         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1586         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1587                 result = TRUE;
1588                 goto frees;
1589         }
1590
1591         /* Check dimmed rule */
1592         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1593         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
1594
1595         /* free */
1596  frees:
1597         if (parent_folder != NULL)
1598                 g_object_unref (parent_folder);
1599
1600         return result;
1601 }
1602
1603 static gboolean
1604 _selected_folder_not_moveable (ModestMainWindow *win)
1605 {
1606         GtkWidget *folder_view = NULL;
1607         TnyFolderStore *parent_folder = NULL;
1608         ModestTnyFolderRules rules;
1609         gboolean result = FALSE;
1610
1611         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1612
1613         /* Get folder view */
1614         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1615                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1616         /* If no folder view, always dimmed */
1617         if (!folder_view)
1618                 return TRUE;
1619
1620         /* Get selected folder as parent of new folder to create */
1621         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1622         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1623                 result = TRUE;
1624                 goto frees;
1625         }
1626
1627         /* Check dimmed rule */
1628         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1629         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1630
1631         /* free */
1632  frees:
1633         if (parent_folder != NULL)
1634                 g_object_unref (parent_folder);
1635
1636         return result;
1637 }
1638
1639 static gboolean
1640 _selected_folder_not_renameable (ModestMainWindow *win)
1641 {
1642         GtkWidget *folder_view = NULL;
1643         TnyFolderStore *parent_folder = NULL;
1644         ModestTnyFolderRules rules;
1645         gboolean result = FALSE;
1646
1647         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1648
1649         /* Get folder view */
1650         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1651                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1652         /* If no folder view, always dimmed */
1653         if (!folder_view)
1654                 return TRUE;
1655
1656         /* Get selected folder as parent of new folder to create */
1657         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1658         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1659                 result = TRUE;
1660                 goto frees;
1661         }
1662
1663         /* Check dimmed rule */
1664         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1665         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
1666
1667         /* free */
1668  frees:
1669         if (parent_folder != NULL)
1670                 g_object_unref (parent_folder);
1671
1672         return result;
1673 }
1674
1675 static gboolean
1676 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1677 {
1678         TnyFolderType types[2];
1679         gboolean result = FALSE;
1680
1681         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1682
1683         types[0] = TNY_FOLDER_TYPE_ROOT;
1684         types[1] = TNY_FOLDER_TYPE_INBOX;
1685
1686         /* Check folder type */
1687         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1688
1689         /* Check pop and MMC accounts */
1690         if (!result) {
1691                 result = _selected_folder_is_MMC_or_POP_root (win);
1692         }
1693
1694         return result;
1695 }
1696
1697
1698 static gboolean
1699 _selected_folder_is_root (ModestMainWindow *win)
1700 {
1701         TnyFolderType types[1];
1702         gboolean result = FALSE;
1703
1704         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1705
1706         /* All accounts are root items: */
1707         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1708                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1709         if (folder_view) {
1710                 gboolean is_account = FALSE;
1711                 TnyFolderStore *folder_store =
1712                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1713                 if (folder_store) {
1714                         is_account = TNY_IS_ACCOUNT (folder_store);
1715                         g_object_unref (folder_store);
1716                         folder_store = NULL;
1717                 }
1718
1719                 if (is_account)
1720                         return TRUE;
1721         }
1722
1723         /* Try something more precise: */
1724         types[0] = TNY_FOLDER_TYPE_ROOT;
1725
1726         /* Check folder type */
1727         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1728
1729         /* Check pop and MMC accounts */
1730         if (!result) {
1731                 result = _selected_folder_is_MMC_or_POP_root (win);
1732         }
1733
1734         return result;
1735 }
1736
1737 static gboolean
1738 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1739 {
1740         GtkWidget *folder_view = NULL;
1741         TnyFolderStore *parent_folder = NULL;
1742         gboolean result = FALSE;
1743
1744         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1745                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1746         if (!folder_view)
1747                 return FALSE;
1748
1749         /* Get selected folder as parent of new folder to create */
1750         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1751         if (!parent_folder)
1752                 return TRUE;
1753
1754         if (TNY_IS_ACCOUNT (parent_folder)) {
1755                 /* If it's the local account then do not dim */
1756                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1757                         result = FALSE;
1758                 } else {
1759                                 /* If it's the MMC root folder then dim it */
1760                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1761                                         result = TRUE;
1762                         } else {
1763                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1764                                 /* If it's POP then dim */
1765                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1766                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1767                         }
1768                 }
1769         }
1770         g_object_unref (parent_folder);
1771
1772         return result;
1773 }
1774
1775 static gboolean
1776 _header_view_is_all_selected (ModestMainWindow *win)
1777 {
1778         const DimmedState *state = NULL;
1779
1780         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1781
1782         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
1783
1784         return state->all_selected;
1785 }
1786
1787 static gboolean
1788 _selected_folder_is_empty (ModestMainWindow *win)
1789 {
1790         GtkWidget *folder_view = NULL;
1791         TnyFolderStore *folder = NULL;
1792         gboolean result = FALSE;
1793
1794         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1795
1796         /* Get folder view */
1797         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1798                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1799         /* If no folder view, always dimmed */
1800         if (!folder_view)
1801                 return TRUE;
1802
1803         /* Get selected folder as parent of new folder to create */
1804         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1805         if (!(folder && TNY_IS_FOLDER(folder))) {
1806                 if (folder)
1807                         g_object_unref (folder);
1808                 return TRUE;
1809         }
1810
1811         /* Check folder type */
1812         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1813
1814         /* free */
1815         g_object_unref (folder);
1816
1817         return result;
1818 }
1819
1820 static gboolean
1821 _folder_view_has_focus (ModestWindow *win)
1822 {
1823         GtkWidget *folder_view = NULL;
1824
1825         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1826
1827         /* Get folder view */
1828         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1829                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1830         if (!folder_view)
1831                 return FALSE;
1832
1833         if (gtk_widget_is_focus(folder_view))
1834                 return TRUE;
1835
1836         return FALSE;
1837 }
1838
1839 static gboolean
1840 _selected_folder_is_same_as_source (ModestWindow *win)
1841 {
1842         ModestEmailClipboard *clipboard = NULL;
1843         GtkWidget *folder_view = NULL;
1844         TnyFolderStore *folder = NULL;
1845         gboolean result = FALSE;
1846
1847         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1848
1849         /* Get folder view */
1850         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1851                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1852         if (!folder_view)
1853                 return FALSE;
1854
1855         /* Get selected folder as destination folder */
1856         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1857         if (!(folder && TNY_IS_FOLDER(folder))) {
1858                 result = FALSE;
1859                 goto frees;
1860         }
1861
1862         /* Check clipboard is cleared */
1863         clipboard = modest_runtime_get_email_clipboard ();
1864         if (modest_email_clipboard_cleared (clipboard)) {
1865                 result = FALSE;
1866                 goto frees;
1867         }
1868
1869         /* Check source folder */
1870         result = modest_email_clipboard_check_source_folder (clipboard,
1871                                                              (const TnyFolder *) folder);
1872
1873         /* Free */
1874  frees:
1875         g_object_unref (folder);
1876
1877         return result;
1878 }
1879
1880 static gboolean
1881 _selected_folder_is_any_of_type (ModestWindow *win,
1882                                  TnyFolderType types[],
1883                                  guint ntypes)
1884 {
1885         GtkWidget *folder_view = NULL;
1886         TnyFolderStore *folder = NULL;
1887         TnyFolderType folder_type;
1888         guint i=0;
1889         gboolean result = FALSE;
1890
1891         /*Get current folder */
1892         if (MODEST_IS_MAIN_WINDOW(win)) {
1893
1894                 /* Get folder view */
1895                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1896                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1897                 /* If no folder view, always dimmed */
1898                 if (!folder_view)
1899                         return FALSE;
1900
1901                 /* Get selected folder as parent of new folder to create */
1902                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1903
1904                 if (!(folder && TNY_IS_FOLDER(folder))) {
1905                         if (folder)
1906                                 g_object_unref (folder);
1907                         return FALSE;
1908                 }
1909
1910                 /* Check folder type */
1911                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1912         }
1913         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1914                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1915                 for (i=0; i < ntypes; i++) {
1916                         result = result || folder_type == types[i];
1917                 }
1918         }
1919
1920
1921         /* free */
1922         g_object_unref (folder);
1923
1924         return result;
1925 }
1926
1927 static gboolean
1928 _folder_is_any_of_type (TnyFolder *folder,
1929                         TnyFolderType types[],
1930                         guint ntypes)
1931 {
1932         TnyFolderType folder_type;
1933         gboolean result = FALSE;
1934         guint i;
1935
1936         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1937
1938         /* Get folder type */
1939         folder_type = modest_tny_folder_guess_folder_type (folder);
1940
1941         /* Check foler type */
1942         for (i=0; i < ntypes; i++) {
1943                 result = result || folder_type == types[i];
1944         }
1945
1946         return result;
1947 }
1948
1949 static gboolean
1950 _clipboard_is_empty (ModestWindow *win)
1951 {
1952         gboolean result = FALSE;
1953
1954         if (MODEST_IS_MAIN_WINDOW (win)) {
1955                 ModestEmailClipboard *clipboard = NULL;
1956                 clipboard = modest_runtime_get_email_clipboard ();
1957                 if (modest_email_clipboard_cleared (clipboard))
1958                  result = TRUE;
1959         }
1960
1961         return result;
1962 }
1963
1964 static gboolean
1965 _invalid_clipboard_selected (ModestWindow *win,
1966                              ModestDimmingRule *rule)
1967 {
1968         const DimmedState *state = NULL;
1969         gboolean result = FALSE;
1970
1971         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1972         state = modest_window_get_dimming_state (win);
1973
1974         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1975                 GtkClipboard *clipboard = NULL;
1976                 gchar *selection = NULL;
1977                 GtkWidget *focused = NULL;
1978
1979                 /* Get clipboard selection*/
1980                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1981                 selection = gtk_clipboard_wait_for_text (clipboard);
1982
1983                 /* Get focuesed widget */
1984                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1985
1986                 /* Check dimming */
1987                 result = ((selection == NULL) ||
1988                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1989
1990                 if (result)
1991                         modest_dimming_rule_set_notification (rule, "");
1992
1993                 if (selection != NULL)
1994                         g_free(selection);
1995         }
1996         else if (MODEST_IS_MAIN_WINDOW (win)) {
1997                 /* Check dimming */
1998                 result = state->n_selected == 0;
1999                 if (result)
2000                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2001         }
2002
2003         return result;
2004 }
2005
2006
2007 static gboolean
2008 _invalid_attach_selected (ModestWindow *win,
2009                           gboolean unique,
2010                           gboolean for_view,
2011                           gboolean for_remove,
2012                           ModestDimmingRule *rule)
2013 {
2014         GList *attachments, *node;
2015         gint n_selected;
2016         TnyHeaderFlags flags;
2017         gboolean nested_attachments = FALSE;
2018         gboolean selected_messages = FALSE;
2019         const DimmedState *state = NULL;
2020         gboolean result = FALSE;
2021
2022         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2023         state = modest_window_get_dimming_state (win);
2024
2025         if (MODEST_IS_MAIN_WINDOW (win)) {
2026                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2027                 if (!result)
2028                         result = !state->any_has_attachments;
2029         }
2030         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2031
2032                 /* Get selected atachments */
2033                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2034                 n_selected = g_list_length (attachments);
2035
2036                 /* Check unique */
2037                 if (!result) {
2038                         if (unique)
2039                                 result = n_selected != 1;
2040                         else
2041
2042                                 result = n_selected < 1;
2043                 }
2044
2045                 /* Check attached type (view operation not required) */
2046                 if (!result && !for_view)  {
2047                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
2048                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2049                                 TnyList *nested_list = tny_simple_list_new ();
2050                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
2051                                         selected_messages = TRUE;
2052                                         result = TRUE;
2053                                 }
2054                                 tny_mime_part_get_parts (mime_part, nested_list);
2055                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2056                                         nested_attachments = TRUE;
2057                                         result = TRUE;
2058                                 }
2059                                 g_object_unref (nested_list);
2060                         }
2061                 }
2062
2063                 /* Set notifications */
2064                 if (result && rule != NULL) {
2065                         if (selected_messages) {
2066                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2067                         } else if (nested_attachments) {
2068                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2069                         } else if (n_selected == 0) {
2070                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2071                         } else if (unique) {
2072                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2073                         }
2074                 }
2075
2076                 /* Free */
2077                 g_list_free (attachments);
2078         }
2079
2080         return result;
2081 }
2082
2083 static gboolean
2084 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2085 {
2086         GList *attachments = NULL, *node;
2087         gint purged = 0;
2088         gint n_attachments = 0;
2089         gboolean result = FALSE;
2090
2091         /* This should check if _all_ the attachments are already purged. If only some
2092          * of them are purged, then it does not cause dim as there's a confirmation dialog
2093          * for removing only local attachments */
2094
2095         /* Get selected atachments */
2096         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2097                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2098         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2099                 /* If we're in main window, we won't know if there are already purged attachments */
2100                 return FALSE;
2101         }
2102
2103         if (attachments == NULL)
2104                 return FALSE;
2105
2106         for (node = attachments; node != NULL; node = g_list_next (node)) {
2107                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2108                 if (tny_mime_part_is_purged (mime_part)) {
2109                         purged++;
2110                 }
2111                 n_attachments++;
2112         }
2113
2114         /* Free */
2115         g_list_free (attachments);
2116
2117         if (all)
2118                 result = (purged == n_attachments);
2119         else
2120                 result = (purged > 0);
2121
2122         if (result && (rule != NULL))
2123                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2124
2125         return result;
2126 }
2127
2128 static gboolean
2129 _invalid_msg_selected (ModestMainWindow *win,
2130                        gboolean unique,
2131                        ModestDimmingRule *rule)
2132 {
2133         GtkWidget *folder_view = NULL;
2134         const DimmedState *state = NULL;
2135         gboolean result = FALSE;
2136
2137         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2138         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2139         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2140
2141         /* Get folder view to check focus */
2142         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2143                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
2144
2145         /* Check dimmed rule (TODO: check focus on widgets */
2146         if (!result) {
2147                 result = ((state->n_selected == 0 ) ||
2148                           (gtk_widget_is_focus (folder_view)));
2149                 if (result)
2150                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2151         }
2152         if (!result && unique) {
2153                 result = state->n_selected > 1;
2154                 if (result)
2155                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2156         }
2157
2158         return result;
2159 }
2160
2161
2162 static gboolean
2163 _msg_download_in_progress (ModestWindow *win)
2164 {
2165         gboolean result = FALSE;
2166
2167         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2168
2169         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2170                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2171         }
2172         else if (MODEST_IS_MAIN_WINDOW (win)) {
2173                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2174         }
2175
2176         return result;
2177 }
2178
2179 static gboolean
2180 _msg_download_completed (ModestMainWindow *win)
2181 {
2182         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2183         return state->any_marked_as_cached;
2184 }
2185
2186 static void
2187 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2188 {
2189         GSList **send_queues = (GSList **) userdata;
2190         *send_queues = g_slist_prepend (*send_queues, value);
2191 }
2192
2193 static gboolean
2194 _selected_msg_sent_in_progress (ModestWindow *win)
2195 {
2196         const DimmedState *state = modest_window_get_dimming_state (win);
2197         return state->sent_in_progress;
2198 }
2199
2200
2201 static gboolean
2202 _sending_in_progress (ModestWindow *win)
2203 {
2204         GHashTable *send_queue_cache = NULL;
2205         ModestCacheMgr *cache_mgr = NULL;
2206         ModestTnySendQueue *send_queue = NULL;
2207         GSList *send_queues = NULL, *node = NULL;
2208         gboolean result = FALSE;
2209
2210         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2211
2212         /* Get send queue */
2213         cache_mgr = modest_runtime_get_cache_mgr ();
2214         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2215                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2216
2217         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2218
2219         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
2220                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2221
2222                 /* Check if send operation is in progress */
2223                 result = modest_tny_send_queue_sending_in_progress (send_queue);
2224         }
2225
2226         return result;
2227 }
2228
2229 static gboolean
2230 _send_receive_in_progress (ModestWindow *win)
2231 {
2232         gboolean result = FALSE;
2233
2234         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2235
2236         /* Check if send operation is in progress */
2237         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
2238
2239         return result;
2240 }
2241
2242 static gboolean
2243 _invalid_folder_for_purge (ModestWindow *win,
2244                            ModestDimmingRule *rule)
2245 {
2246         TnyMsg *msg = NULL;
2247         TnyFolder *folder = NULL;
2248         TnyAccount *account = NULL;
2249         gboolean result = FALSE;
2250
2251         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2252
2253                 /* Get folder and account of message */
2254                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2255                 g_return_val_if_fail(msg != NULL, TRUE);
2256                 folder = tny_msg_get_folder (msg);
2257                 if (folder == NULL) {
2258                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2259                         goto frees;
2260                 }
2261                 g_object_unref (msg);
2262         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2263                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2264                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
2265                 if (!folder_view)
2266                         return FALSE;
2267                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
2268                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2269                         goto frees;
2270         } else {
2271                 g_return_val_if_reached (FALSE);
2272         }
2273         account = modest_tny_folder_get_account (folder);
2274         if (account == NULL) goto frees;
2275
2276         /* Check account */
2277         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2278                 TnyFolderType types[2];
2279                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2280                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2281
2282                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2283                         result = TRUE;
2284                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2285                 } else {
2286                         /* We're currently disabling purge in any local store */
2287                         result = TRUE;
2288                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2289                 }
2290         } else {
2291                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2292                 /* If it's POP then dim */
2293                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2294                     MODEST_PROTOCOL_STORE_POP) {
2295                         GList *attachments = NULL;
2296                         gint n_selected = 0;
2297                         result = TRUE;
2298
2299                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2300                          * murrayc */
2301                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2302                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2303                                 n_selected = g_list_length (attachments);
2304                                 g_list_free (attachments);
2305                         }
2306
2307                         modest_dimming_rule_set_notification (rule,
2308                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2309                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2310                                                                         n_selected));
2311                 }
2312         }
2313
2314 frees:
2315         if (folder != NULL)
2316                 g_object_unref (folder);
2317         if (account != NULL)
2318                 g_object_unref (account);
2319
2320         return result;
2321 }
2322
2323 static gboolean
2324 _transfer_mode_enabled (ModestWindow *win)
2325 {
2326         gboolean result = FALSE;
2327
2328         /* Check dimming */
2329         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2330                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2331         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2332                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2333         } else {
2334                 g_warning("_transfer_mode_enabled called with wrong window type");
2335         }
2336
2337         return result;
2338 }
2339
2340 static gboolean
2341 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2342 {
2343         GtkWidget *folder_view = NULL;
2344         TnyFolderStore *folder = NULL;
2345         ModestEmailClipboard *clipboard = NULL;
2346         const gchar *folder_name = NULL;
2347         gboolean result = FALSE;
2348
2349         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2350
2351         /*Get current parent folder */
2352         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2353                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
2354         /* If no folder view, always dimmed */
2355         if (!folder_view) return FALSE;
2356
2357         /* Get selected folder as parent of new folder to create */
2358         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2359         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2360
2361         /* get modest clipboard and source folder */
2362         clipboard = modest_runtime_get_email_clipboard ();
2363         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2364         if (folder_name == NULL) goto frees;
2365
2366         /* Check source subfolders names */
2367         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name);
2368
2369
2370         /* Free */
2371  frees:
2372         if (folder != NULL)
2373                 g_object_unref (folder);
2374
2375
2376         return result;
2377 }
2378