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-ui-actions.h"
  37 #include "modest-dimming-rule.h"
  38 #include "modest-debug.h"
  39 #include "modest-tny-folder.h"
  40 #include "modest-tny-account.h"
  41 #include "modest-tny-msg.h"
  42 #include "modest-tny-mime-part.h"
  43 #include "modest-text-utils.h"
  44 #include "modest-address-book.h"
  45 #include <widgets/modest-attachments-view.h>
  46 #include <modest-runtime.h>
  47 #include <tny-simple-list.h>
  48 #include <widgets/modest-recpt-editor.h>
  49 #include <gtkhtml/gtkhtml.h>
  50 #include <modest-runtime.h>
  51 #ifdef MODEST_TOOLKIT_HILDON2
  52 #include <modest-header-window.h>
  53 #endif
  54
  55
  56 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  57 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  58 static gboolean _invalid_attach_selected (ModestWindow *win,
  59                                           gboolean unique, gboolean for_view, gboolean for_remove,
  60                                           ModestDimmingRule *rule);
  61 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  62 static gboolean _clipboard_is_empty (ModestWindow *win);
  63 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  64 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  65 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  66 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  67 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  68 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  69 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  70 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  71 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  72 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  73 static gboolean _folder_view_has_focus (ModestWindow *win);
  74 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  75 static gboolean _msg_download_in_progress (ModestWindow *win);
  76 static gboolean _msg_download_completed (ModestMainWindow *win);
  77 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  78 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  79 static gboolean _transfer_mode_enabled (ModestWindow *win);
  80 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  81 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  82 static gboolean _send_receive_in_progress (ModestWindow *win);
  83 static gboolean _msgs_send_in_progress (void);
  84
  85
  86 static DimmedState *
  87 _define_main_window_dimming_state (ModestMainWindow *window)
  88 {
  89         DimmedState *state = NULL;
  90         GtkWidget *focused_widget = NULL;
  91         GtkWidget *header_view = NULL;
  92         GtkTreeModel *model = NULL;
  93         TnyList *selected_headers = NULL;
  94         TnyIterator *iter = NULL;
  95         TnyHeader *header = NULL;
  96         ModestCacheMgr *cache_mgr = NULL;
  97         GHashTable *send_queue_cache = NULL;
  98         ModestTnySendQueue *send_queue = NULL;
  99         GSList *send_queues = NULL, *node = NULL;
 100         ModestWindowMgr *mgr = NULL;
 101         gboolean found = FALSE;
 102         gchar *msg_uid = NULL;
 103         TnyHeaderFlags flags;
 104         gboolean all_deleted = TRUE;
 105         gboolean all_seen = TRUE;
 106         gboolean all_cached = TRUE;
 107         gboolean all_has_attach = TRUE;
 108         TnyFolder *folder = NULL;
 109
 110         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 111
 112         /* Init state */
 113         state = g_slice_new0 (DimmedState);
 114         state->n_selected = 0;
 115         state->already_opened_msg = 0;
 116         state->any_marked_as_deleted = FALSE;
 117         state->all_marked_as_deleted = FALSE;
 118         state->any_marked_as_seen = FALSE;
 119         state->all_marked_as_seen = FALSE;
 120         state->any_marked_as_cached = FALSE;
 121         state->all_marked_as_cached = FALSE;
 122         state->any_has_attachments = FALSE;
 123         state->all_has_attachments = FALSE;
 124         state->sent_in_progress = FALSE;
 125         state->all_selected = FALSE;
 126
 127         /* Get focused widget */
 128         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 129         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 130                 state->n_selected++;
 131                 return state;
 132         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 133                 header_view = focused_widget;
 134         } else {
 135                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 136         }
 137
 138         /* Get header view and selected headers */
 139         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 140         if (!selected_headers)
 141                 return state;
 142
 143         /* Examine selected headers */
 144         iter = tny_list_create_iterator (selected_headers);
 145         while (!tny_iterator_is_done (iter)) {
 146                 header = TNY_HEADER (tny_iterator_get_current (iter));
 147                 flags = tny_header_get_flags (header);
 148
 149                 /* No selected */
 150                 state->n_selected++;
 151
 152                 /* Already opened */
 153                 mgr = modest_runtime_get_window_mgr ();
 154                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 155                         state->already_opened_msg++;
 156
 157
 158                 /* Mark as deleted */
 159                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 160                 state->all_marked_as_deleted = all_deleted;
 161                 if (!state->any_marked_as_deleted)
 162                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 163
 164                 /* Mark as seen */
 165                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 166                 state->all_marked_as_seen = all_seen;
 167                 if (!state->any_marked_as_seen)
 168                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 169
 170                 /* Mark as cached */
 171                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 172                 state->all_marked_as_cached = all_cached;
 173                 if (!state->any_marked_as_cached)
 174                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 175
 176                 /* Mark has_attachments */
 177                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 178                 state->all_has_attachments = all_has_attach;
 179                 if (!state->any_has_attachments)
 180                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 181
 182                 /* sent in progress */
 183                 folder = tny_header_get_folder (header);
 184                 if (folder) {
 185                         if (modest_tny_folder_guess_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 186                                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 187                                 if (!state->sent_in_progress) {
 188                                         cache_mgr = modest_runtime_get_cache_mgr ();
 189                                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 190                                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 191
 192                                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 193
 194                                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 195                                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 196
 197                                                 /* Check if msg uid is being processed inside send queue */
 198                                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 199                                         }
 200                                         state->sent_in_progress = found;
 201                                 }
 202                         }
 203                         g_object_unref (folder);
 204                 }
 205                 tny_iterator_next (iter);
 206                 g_object_unref (header);
 207         }
 208
 209         /* check if all the headers are selected or not */
 210         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 211         if (model != NULL){
 212                 gint count;
 213                 count = gtk_tree_model_iter_n_children(model, NULL);
 214                 if(state->n_selected == count)
 215                         state->all_selected = TRUE;
 216         }
 217
 218         /* Free */
 219         g_free(msg_uid);
 220         g_object_unref(selected_headers);
 221         g_object_unref(iter);
 222         g_slist_free (send_queues);
 223
 224         return state;
 225 }
 226
 227 static DimmedState *
 228 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 229 {
 230         DimmedState *state = NULL;
 231         TnyHeader *header = NULL;
 232         ModestCacheMgr *cache_mgr = NULL;
 233         GHashTable *send_queue_cache = NULL;
 234         ModestTnySendQueue *send_queue = NULL;
 235         GSList *send_queues = NULL, *node = NULL;
 236         gboolean found = FALSE;
 237         gchar *msg_uid = NULL;
 238         TnyHeaderFlags flags;
 239         gboolean all_deleted = TRUE;
 240         gboolean all_seen = TRUE;
 241         gboolean all_cached = TRUE;
 242         gboolean all_has_attach = TRUE;
 243
 244         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 245
 246         /* Init state */
 247         state = g_slice_new0 (DimmedState);
 248         state->n_selected = 0;
 249         state->already_opened_msg = 0;
 250         state->any_marked_as_deleted = FALSE;
 251         state->all_marked_as_deleted = FALSE;
 252         state->any_marked_as_seen = FALSE;
 253         state->all_marked_as_seen = FALSE;
 254         state->any_marked_as_cached = FALSE;
 255         state->all_marked_as_cached = FALSE;
 256         state->any_has_attachments = FALSE;
 257         state->all_has_attachments = FALSE;
 258         state->sent_in_progress = FALSE;
 259
 260         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 261         if (header == NULL)
 262                 return state;
 263         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 264         flags = tny_header_get_flags (header);
 265
 266         /* Selected */
 267         state->n_selected++;
 268
 269         /* Mark as deleted */
 270         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 271         state->all_marked_as_deleted = all_deleted;
 272         if (!state->any_marked_as_deleted)
 273                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 274
 275         /* Mark as seen */
 276         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 277         state->all_marked_as_seen = all_seen;
 278         if (!state->any_marked_as_seen)
 279                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 280
 281         /* Mark as cached */
 282         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 283         state->all_marked_as_cached = all_cached;
 284         if (!state->any_marked_as_cached)
 285                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 286
 287         /* Mark has_attachments */
 288         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 289         state->all_has_attachments = all_has_attach;
 290         if (!state->any_has_attachments)
 291                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 292
 293         /* sent in progress */
 294         msg_uid = modest_tny_send_queue_get_msg_id (header);
 295         if (!state->sent_in_progress) {
 296                 cache_mgr = modest_runtime_get_cache_mgr ();
 297                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 298                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 299
 300                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 301
 302                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 303                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 304
 305                         /* Check if msg uid is being processed inside send queue */
 306                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 307                 }
 308                 state->sent_in_progress = found;
 309         }
 310
 311         /* Free */
 312         g_free(msg_uid);
 313         g_object_unref (header);
 314         g_slist_free (send_queues);
 315
 316         return state;
 317 }
 318
 319
 320 DimmedState *
 321 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 322 {
 323         DimmedState *state = NULL;
 324
 325         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 326
 327         if (MODEST_IS_MAIN_WINDOW (window))
 328                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 329         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 330                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 331         }
 332
 333         return state;
 334 }
 335
 336 gboolean
 337 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 338 {
 339         ModestDimmingRule *rule = NULL;
 340         gboolean dimmed = FALSE;
 341
 342         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 343         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 344         rule = MODEST_DIMMING_RULE (user_data);
 345
 346         /* Check dimmed rule */
 347         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 348 #ifndef MODEST_TOOLKIT_HILDON2
 349                 dimmed = _msg_download_in_progress (win);
 350                 if (dimmed)
 351                         modest_dimming_rule_set_notification (rule, "");
 352 #endif
 353         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 354                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 355                                                           TRUE);
 356                 if (dimmed)
 357                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 358         }
 359
 360         return dimmed;
 361 }
 362
 363 gboolean
 364 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 365 {
 366         ModestDimmingRule *rule = NULL;
 367         GtkWidget *folder_view = NULL;
 368         TnyFolderStore *parent_folder = NULL;
 369         gboolean dimmed = FALSE;
 370
 371         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 372         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 373         rule = MODEST_DIMMING_RULE (user_data);
 374
 375         dimmed = _transfer_mode_enabled (win);
 376         if (dimmed) {
 377                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 378                 return dimmed;
 379         }
 380
 381         /* Get selected folder as parent of new folder to create */
 382         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 383                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 384         if (!folder_view) /* folder view may not have been created yet */
 385                 return TRUE;
 386
 387         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 388         if (!parent_folder)
 389                 return TRUE;
 390
 391         if (TNY_IS_ACCOUNT (parent_folder)) {
 392                 /* If it's the local account then do not dim */
 393                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 394                         dimmed = FALSE;
 395                 } else {
 396                         ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (parent_folder));
 397                         if (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID) {
 398                                 ModestProtocolRegistry *protocol_registry;
 399
 400                                 protocol_registry = modest_runtime_get_protocol_registry ();
 401                                 /* If account does not support folders (pop) then dim */
 402                                 dimmed = (!modest_protocol_registry_protocol_type_has_tag (protocol_registry, protocol_type,
 403                                                                                            MODEST_PROTOCOL_REGISTRY_STORE_HAS_FOLDERS));
 404                                 if (dimmed)
 405                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 406                         }
 407                 }
 408         } else {
 409                 TnyFolderType types[3];
 410
 411                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 412                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 413                 types[2] = TNY_FOLDER_TYPE_SENT;
 414
 415                 /* Apply folder rules */
 416                 if (!dimmed) {
 417                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 418                         if (dimmed)
 419                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 420                 }
 421                 if (!dimmed) {
 422                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 423                         if (dimmed)
 424                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 425                 }
 426         }
 427
 428         /* if not the folder is selected then dim */
 429         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 430                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 431         if (folder_view && !gtk_widget_is_focus (folder_view))
 432                 dimmed = TRUE;
 433
 434         g_object_unref (parent_folder);
 435
 436         return dimmed;
 437 }
 438
 439 gboolean
 440 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 441 {
 442         ModestDimmingRule *rule = NULL;
 443         GtkWidget *folder_view = NULL;
 444         GtkWidget *header_view = NULL;
 445         gboolean dimmed = FALSE;
 446
 447         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 448         rule = MODEST_DIMMING_RULE (user_data);
 449
 450         if (MODEST_IS_MAIN_WINDOW (win)) {
 451                 /* Get the folder view */
 452                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 453                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 454
 455                 /* Get header view */
 456                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 457                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 458
 459                 if (header_view && gtk_widget_is_focus (header_view))
 460                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 461
 462                 if (folder_view && gtk_widget_is_focus (folder_view))
 463                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 464
 465                 if (header_view && folder_view &&
 466                     !gtk_widget_is_focus (header_view) &&
 467                     !gtk_widget_is_focus (folder_view)) {
 468                         dimmed = TRUE;
 469                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 470                 }
 471
 472 #ifdef MODEST_TOOLKIT_HILDON2
 473         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 474
 475                 if (!dimmed) {
 476                         dimmed = _transfer_mode_enabled (win);
 477                 }
 478                 if (dimmed)
 479                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 480
 481                 if (!dimmed) {
 482                         GtkWidget *header_view;
 483                         TnyFolder *folder;
 484
 485                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 486                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 487                         if (folder) {
 488                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
 489                                 g_object_unref (folder);
 490                         }
 491                 }
 492
 493 #endif
 494         } else {
 495                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 496         }
 497
 498         return dimmed;
 499 }
 500
 501
 502
 503 gboolean
 504 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 505 {
 506         ModestDimmingRule *rule = NULL;
 507         TnyFolderType types[6];
 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         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 515         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 516         types[2] = TNY_FOLDER_TYPE_SENT;
 517         types[3] = TNY_FOLDER_TYPE_INBOX;
 518         types[4] = TNY_FOLDER_TYPE_ROOT;
 519         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 520
 521
 522         /* Check dimmed rule */
 523         dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 524         if (dimmed)
 525                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 526         if (!dimmed) {
 527                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 528                 if (dimmed)
 529                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 530         }
 531         if (!dimmed) {
 532                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 533                 if (dimmed)
 534                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 535         }
 536         if (!dimmed) {
 537                 dimmed = _transfer_mode_enabled (win);
 538                 if (dimmed)
 539                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 540         }
 541
 542         return dimmed;
 543 }
 544
 545 gboolean
 546 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 547 {
 548         ModestDimmingRule *rule = NULL;
 549         gboolean dimmed = FALSE;
 550
 551 #ifdef MODEST_TOOLKIT_HILDON2
 552         if (MODEST_IS_HEADER_WINDOW (win)) {
 553                 return FALSE;
 554         }
 555 #endif
 556
 557         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 558         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 559         rule = MODEST_DIMMING_RULE (user_data);
 560
 561         /* Check dimmed rule */
 562         dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 563
 564         if (!dimmed)
 565                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 566
 567         return dimmed;
 568
 569 }
 570
 571 gboolean
 572 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 573 {
 574         ModestDimmingRule *rule = NULL;
 575         TnyFolderType types[4];
 576         gboolean dimmed = FALSE;
 577
 578         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 579         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 580         rule = MODEST_DIMMING_RULE (user_data);
 581
 582         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 583         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 584         types[2] = TNY_FOLDER_TYPE_SENT;
 585         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 586
 587         /* Check dimmed rule */
 588         dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 589         if (dimmed)
 590                 modest_dimming_rule_set_notification (rule, "");
 591         if (!dimmed) {
 592                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 593                 if (dimmed)
 594                         modest_dimming_rule_set_notification (rule, "");
 595         }
 596         if (!dimmed) {
 597                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 598                 if (dimmed)
 599                         modest_dimming_rule_set_notification (rule, "");
 600         }
 601         if (!dimmed) {
 602                 dimmed = _transfer_mode_enabled (win);
 603                 if (dimmed)
 604                         modest_dimming_rule_set_notification (rule, "");
 605         }
 606
 607         return dimmed;
 608 }
 609
 610 gboolean
 611 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 612 {
 613         ModestDimmingRule *rule = NULL;
 614         gboolean dimmed = FALSE;
 615         const DimmedState *state = NULL;
 616
 617         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 618         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 619         rule = MODEST_DIMMING_RULE (user_data);
 620         state = modest_window_get_dimming_state (win);
 621
 622         /* Check dimmed rule */
 623         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 624         if (!dimmed) {
 625                 dimmed = state->any_marked_as_deleted;
 626                 if (dimmed) {
 627                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 628                         modest_dimming_rule_set_notification (rule, msg);
 629                         g_free (msg);
 630                 }
 631         }
 632         if (!dimmed) {
 633                 dimmed = _selected_msg_sent_in_progress (win);
 634                 if (dimmed)
 635                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 636         }
 637
 638         return dimmed;
 639 }
 640
 641 gboolean
 642 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 643 {
 644         ModestDimmingRule *rule = NULL;
 645         gboolean dimmed = FALSE;
 646         TnyFolderType types[3];
 647
 648         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 649         rule = MODEST_DIMMING_RULE (user_data);
 650
 651         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 652         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 653         types[2] = TNY_FOLDER_TYPE_ROOT;
 654
 655         /* Check dimmed rule */
 656         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 657         if (dimmed)
 658                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 659
 660         /* main window dimming rules */
 661         if (MODEST_IS_MAIN_WINDOW(win)) {
 662
 663                 if (!dimmed) {
 664                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 665                         if (dimmed)
 666                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 667                 }
 668                 if (!dimmed) {
 669                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 670                 }
 671         /* msg view window dimming rules */
 672         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 673
 674                 /* Check dimmed rule */
 675                 if (!dimmed) {
 676                         dimmed = _transfer_mode_enabled (win);
 677                         if (dimmed)
 678                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 679                 }
 680                 if (!dimmed) {
 681                         dimmed = _msg_download_in_progress (win);
 682                         if (dimmed)
 683                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 684                 }
 685         }
 686
 687         return dimmed;
 688 }
 689
 690
 691 gboolean
 692 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 693 {
 694         ModestDimmingRule *rule = NULL;
 695         gboolean dimmed = FALSE;
 696
 697         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 698         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 699         rule = MODEST_DIMMING_RULE (user_data);
 700
 701         /* Check dimmed rule */
 702         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 703         if (!dimmed) {
 704                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 705                 if (dimmed)
 706                         modest_dimming_rule_set_notification (rule, "");
 707         }
 708
 709         return dimmed;
 710 }
 711
 712 gboolean
 713 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 714 {
 715         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 716
 717         return TRUE;
 718 }
 719
 720 static gboolean
 721 _message_already_sent (ModestMsgViewWindow *view_window)
 722 {
 723         TnyHeader *header;
 724         TnyFolder *folder;
 725         gboolean already_sent = FALSE;
 726
 727         header = modest_msg_view_window_get_header (view_window);
 728         if (header) {
 729                 folder = tny_header_get_folder (header);
 730                 if (folder) {
 731                         if (modest_tny_folder_guess_folder_type (folder) ==
 732                             TNY_FOLDER_TYPE_OUTBOX) {
 733                                 ModestTnySendQueueStatus status =
 734                                         modest_tny_all_send_queues_get_msg_status (header);
 735                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 736                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 737                                         already_sent = TRUE;
 738                         }
 739                         g_object_unref (folder);
 740                 }
 741                 g_object_unref (header);
 742         }
 743         return already_sent;
 744 }
 745
 746
 747 gboolean
 748 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 749 {
 750         ModestDimmingRule *rule = NULL;
 751         const DimmedState *state = NULL;
 752         gboolean dimmed = FALSE;
 753
 754         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 755         rule = MODEST_DIMMING_RULE (user_data);
 756         state = modest_window_get_dimming_state (win);
 757
 758         /* Check dimmed rule */
 759         if (MODEST_IS_MAIN_WINDOW (win)) {
 760                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 761                 if (dimmed)
 762                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 763                 if (!dimmed) {
 764                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 765                 }
 766                 if (!dimmed) {
 767                         dimmed = state->sent_in_progress;
 768                         if (dimmed)
 769                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 770                 }
 771                 if (!dimmed) {
 772                         dimmed = state->any_marked_as_deleted;
 773                         if (dimmed) {
 774                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 775                                 modest_dimming_rule_set_notification (rule, msg);
 776                                 g_free (msg);
 777                         }
 778                 }
 779                 if (!dimmed) {
 780                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 781                         if (dimmed) {
 782                                 gchar *message = NULL;
 783
 784                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"),
 785                                                           state->already_opened_msg);
 786                                 modest_dimming_rule_set_notification (rule, message);
 787                                 g_free(message);
 788                         }
 789
 790                 }
 791         }
 792         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 793                 dimmed = _transfer_mode_enabled (win);
 794                 if (dimmed)
 795                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 796                 if (!dimmed) {
 797                         dimmed = state->any_marked_as_deleted;
 798                         if (dimmed) {
 799                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 800                                 modest_dimming_rule_set_notification (rule, msg);
 801                                 g_free (msg);
 802                         }
 803                 }
 804                 if (!dimmed) {
 805                         dimmed = state->sent_in_progress;
 806                         if (dimmed)
 807                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 808                 }
 809
 810                 /* This could happen if we're viewing a message of the
 811                    outbox that has been already sent */
 812                 if (!dimmed)
 813                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 814
 815                 /* The delete button should be dimmed when viewing an attachment,
 816                  * but should be enabled when viewing a message from the list,
 817                  * or when viewing a search result.
 818                  */
 819                 if (!dimmed) {
 820                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 821                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 822                                 if (dimmed) {
 823                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 824                                 }
 825                         }
 826                 }
 827         }
 828
 829         return dimmed;
 830 }
 831
 832 gboolean
 833 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 834 {
 835         ModestDimmingRule *rule = NULL;
 836         GtkWidget *header_view = NULL;
 837         gboolean dimmed = FALSE;
 838
 839         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 840         rule = MODEST_DIMMING_RULE (user_data);
 841
 842         /* main window dimming rules */
 843         if (MODEST_IS_MAIN_WINDOW(win)) {
 844
 845                 /* Check dimmed rule */
 846                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 847                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 848
 849                 /* If the header view has the focus: */
 850                 if (header_view && gtk_widget_is_focus (header_view)) {
 851                         /* Check dimmed rule */
 852                         if (!dimmed)
 853                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 854                 }
 855                 else {
 856                         /* If the folder view has the focus: */
 857                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 858                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 859                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 860                                 TnyFolderStore *folder_store
 861                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 862                                 if (folder_store) {
 863                                         /* Only enable for folders, not accounts,
 864                                          * though the UI spec is not clear about that.
 865                                          * If we enable this for accounts then we must
 866                                          * add code to handle them in modest_ui_actions_on_details(). */
 867                                         if (!TNY_IS_FOLDER(folder_store)) {
 868                                                 dimmed = TRUE;
 869                                                 modest_dimming_rule_set_notification (rule, "");
 870                                         }
 871
 872                                         g_object_unref (folder_store);
 873                                 } else {
 874                                         dimmed = TRUE;
 875                                         modest_dimming_rule_set_notification (rule, "");
 876                                 }
 877                                 if (!dimmed) {
 878                                         dimmed = _msg_download_in_progress (win);
 879                                         if (dimmed)
 880                                                 modest_dimming_rule_set_notification (rule, "");
 881                                 }
 882
 883                         } else {
 884                                 return TRUE;
 885                         }
 886                 }
 887
 888         /* msg view window dimming rules */
 889         } else {
 890                 /* Check dimmed rule */
 891                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 892                         dimmed = _msg_download_in_progress (win);
 893                 if (dimmed)
 894                         modest_dimming_rule_set_notification (rule, "");
 895                 if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 896                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 897                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 898                         }
 899                         if (dimmed)
 900                                 modest_dimming_rule_set_notification (rule, "");
 901                 }
 902         }
 903
 904         return dimmed;
 905 }
 906
 907
 908 gboolean
 909 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 910 {
 911         ModestDimmingRule *rule = NULL;
 912         TnyHeader *header;
 913         TnyHeaderFlags flags;
 914         gboolean dimmed = FALSE;
 915
 916
 917         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 918         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 919         rule = MODEST_DIMMING_RULE (user_data);
 920
 921         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 922         if (!header) {
 923                 dimmed = TRUE;
 924         }
 925
 926         if (!dimmed) {
 927                 flags = tny_header_get_flags (header);
 928                 if (flags & TNY_HEADER_FLAG_SEEN)
 929                         dimmed = TRUE;
 930         }
 931
 932         if (header)
 933                 g_object_unref (header);
 934         return dimmed;
 935 }
 936
 937
 938 gboolean
 939 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 940 {
 941         ModestDimmingRule *rule = NULL;
 942         TnyHeader *header;
 943         TnyHeaderFlags flags;
 944         gboolean dimmed = FALSE;
 945
 946
 947         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 948         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 949         rule = MODEST_DIMMING_RULE (user_data);
 950
 951         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 952         if (!header) {
 953                 dimmed = TRUE;
 954         }
 955
 956         if (!dimmed) {
 957                 flags = tny_header_get_flags (header);
 958                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 959                         dimmed = TRUE;
 960         }
 961
 962         if (header)
 963                 g_object_unref (header);
 964         return dimmed;
 965 }
 966
 967 gboolean
 968 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 969 {
 970         ModestDimmingRule *rule = NULL;
 971         TnyHeaderFlags flags;
 972         const DimmedState *state = NULL;
 973         gboolean dimmed = FALSE;
 974
 975         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 976         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 977         rule = MODEST_DIMMING_RULE (user_data);
 978         state = modest_window_get_dimming_state (win);
 979
 980         flags = TNY_HEADER_FLAG_SEEN;
 981
 982         /* Check dimmed rule */
 983         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 984         if (!dimmed) {
 985                 dimmed = state->all_marked_as_seen;
 986                 if (dimmed)
 987                         modest_dimming_rule_set_notification (rule, "");
 988         }
 989
 990         return dimmed;
 991 }
 992
 993 gboolean
 994 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 995 {
 996         ModestDimmingRule *rule = NULL;
 997         TnyHeaderFlags flags;
 998         const DimmedState *state = NULL;
 999         gboolean dimmed = FALSE;
1000
1001         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1002         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1003         rule = MODEST_DIMMING_RULE (user_data);
1004         state = modest_window_get_dimming_state (win);
1005
1006         flags = TNY_HEADER_FLAG_SEEN;
1007
1008         /* Check dimmed rule */
1009         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1010         if (!dimmed) {
1011                 dimmed = !state->any_marked_as_seen;
1012                 if (dimmed)
1013                         modest_dimming_rule_set_notification (rule, "");
1014         }
1015
1016         return dimmed;
1017 }
1018
1019 gboolean
1020 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
1021 {
1022         ModestDimmingRule *rule = NULL;
1023         gboolean dimmed = FALSE;
1024
1025         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1026         rule = MODEST_DIMMING_RULE (user_data);
1027
1028         if (MODEST_IS_MAIN_WINDOW (win))
1029                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
1030 #ifdef MODEST_TOOLKIT_HILDON2
1031         else if (MODEST_IS_HEADER_WINDOW (win))
1032                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
1033 #endif
1034         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
1035                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
1036
1037         return dimmed;
1038 }
1039
1040
1041 gboolean
1042 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
1043 {
1044         GtkWidget *folder_view = NULL;
1045         ModestDimmingRule *rule = NULL;
1046         const DimmedState *state = NULL;
1047         gboolean dimmed = FALSE;
1048
1049         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1050         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1051         rule = MODEST_DIMMING_RULE (user_data);
1052         state = modest_window_get_dimming_state (win);
1053
1054         /* Get the folder view */
1055         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1056                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1057
1058
1059         /* Check diming rules for folders transfer  */
1060         if (folder_view && gtk_widget_is_focus (folder_view)) {
1061                 TnyFolderType types[5];
1062
1063                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1064                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1065                 types[2] = TNY_FOLDER_TYPE_SENT;
1066                 types[3] = TNY_FOLDER_TYPE_ROOT;
1067                 types[4] = TNY_FOLDER_TYPE_INBOX;
1068
1069                 /* Apply folder rules */
1070                 dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
1071                 if (dimmed)
1072                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1073                 if (!dimmed) {
1074                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
1075                         if (dimmed)
1076                                 modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1077                 }
1078         }
1079
1080         /* Check diming rules for messages transfer  */
1081         if (!dimmed) {
1082                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1083                 if (dimmed) {
1084                         gchar *message = g_strdup_printf(_("emev_nc_unabletomove_items"),
1085                                                          state->already_opened_msg);
1086                         modest_dimming_rule_set_notification (rule, message);
1087                         g_free(message);
1088                 }
1089         }
1090         if (!dimmed) {
1091                 if (!(folder_view && gtk_widget_is_focus (folder_view)))
1092                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1093
1094         }
1095         if (!dimmed) {
1096                 dimmed = _selected_msg_sent_in_progress (win);
1097                 if (dimmed)
1098                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
1099         }
1100
1101         return dimmed;
1102 }
1103
1104 gboolean
1105 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
1106 {
1107         ModestDimmingRule *rule = NULL;
1108         gboolean dimmed = FALSE;
1109
1110         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1111         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1112         rule = MODEST_DIMMING_RULE (user_data);
1113
1114         /* Check dimmed rule */
1115         dimmed = _transfer_mode_enabled (win);
1116         if (dimmed)
1117                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1118         if (!dimmed) {
1119                 dimmed = modest_window_get_dimming_state (win)->any_marked_as_deleted;
1120                 if (dimmed) {
1121                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
1122                         modest_dimming_rule_set_notification (rule, msg);
1123                         g_free (msg);
1124                 }
1125         }
1126
1127         if (!dimmed) {
1128                 dimmed = _selected_msg_sent_in_progress (win);
1129                 if (dimmed)
1130                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1131         }
1132
1133         /* This could happen if we're viewing a message of the outbox
1134            that has been already sent */
1135         if (!dimmed)
1136                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
1137
1138         if (!dimmed) {
1139                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1140                         /* The move_to button should be dimmed when viewing an attachment,
1141                          * but should be enabled when viewing a message from the list,
1142                          * or when viewing a search result.
1143                          */
1144                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1145                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1146                         }
1147                 }
1148
1149                 if (dimmed)
1150                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1151         }
1152
1153         return dimmed;
1154 }
1155
1156 #ifdef MODEST_TOOLKIT_HILDON2
1157 gboolean
1158 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1159 {
1160         ModestDimmingRule *rule = NULL;
1161         gboolean dimmed = FALSE;
1162
1163         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1164         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1165         rule = MODEST_DIMMING_RULE (user_data);
1166
1167         /* Check dimmed rule */
1168         dimmed = _transfer_mode_enabled (win);
1169         if (dimmed)
1170                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1171
1172         if (!dimmed) {
1173                 GtkWidget *header_view;
1174                 TnyFolder *folder;
1175
1176                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1177                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1178                 if (folder) {
1179                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
1180                         g_object_unref (folder);
1181                 }
1182         }
1183
1184         return dimmed;
1185 }
1186 #endif
1187
1188 gboolean
1189 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1190 {
1191         ModestDimmingRule *rule = NULL;
1192         gboolean dimmed = FALSE;
1193
1194         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1195         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1196         rule = MODEST_DIMMING_RULE (user_data);
1197
1198         /* Check dimmed rule */
1199         dimmed = _transfer_mode_enabled (win);
1200         if (dimmed)
1201                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1202
1203         return dimmed;
1204 }
1205
1206 gboolean
1207 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1208 {
1209         ModestDimmingRule *rule = NULL;
1210         TnyFolderType types[3];
1211         gboolean dimmed = FALSE;
1212
1213         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1214         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1215         rule = MODEST_DIMMING_RULE (user_data);
1216
1217         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1218         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1219         types[2] = TNY_FOLDER_TYPE_SENT;
1220
1221         /* Check dimmed rule */
1222         dimmed = _clipboard_is_empty (win);
1223         if (dimmed)
1224                 modest_dimming_rule_set_notification (rule,
1225                                                       _CS("ecoc_ib_edwin_nothing_to_paste"));
1226         if (!dimmed) {
1227                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1228                 if (dimmed)
1229                         modest_dimming_rule_set_notification (rule,
1230                                                               _CS("ckct_ib_unable_to_paste_here"));
1231         }
1232         if (!dimmed) {
1233                 dimmed = !_folder_view_has_focus (win);
1234                 if (dimmed)
1235                         modest_dimming_rule_set_notification (rule,
1236                                         _CS("ckct_ib_unable_to_paste_here"));
1237         }
1238         if (!dimmed) {
1239                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1240                 if (dimmed)
1241                         modest_dimming_rule_set_notification (rule,
1242                                                               _CS("ckct_ib_unable_to_paste_here"));
1243         }
1244         if (!dimmed) {
1245                 dimmed = _selected_folder_is_same_as_source (win);
1246                 if (dimmed)
1247                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1248         }
1249         if (!dimmed) {
1250                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1251                 if (dimmed)
1252                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1253         }
1254
1255         return dimmed;
1256 }
1257
1258
1259 gboolean
1260 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1261 {
1262         ModestDimmingRule *rule = NULL;
1263         gboolean dimmed = FALSE;
1264         GtkWidget *focused = NULL;
1265
1266         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1267         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1268         rule = MODEST_DIMMING_RULE (user_data);
1269
1270         focused = gtk_window_get_focus (GTK_WINDOW (win));
1271
1272         /* Main window dimming rules */
1273         if (MODEST_IS_MAIN_WINDOW (win))
1274                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1275
1276         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1277                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1278
1279         if (!dimmed && GTK_IS_ENTRY (focused)) {
1280                 const gchar *current_text;
1281                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1282                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1283         }
1284
1285         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1286                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1287                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1288         }
1289
1290         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1291                 dimmed = FALSE;
1292         return dimmed;
1293 }
1294
1295 gboolean
1296 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1297 {
1298         ModestDimmingRule *rule = NULL;
1299         gboolean dimmed = FALSE;
1300
1301         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1302         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1303         rule = MODEST_DIMMING_RULE (user_data);
1304
1305         /* Check dimmed rule */
1306         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1307
1308         if (!dimmed) {
1309                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1310                 if (dimmed) {
1311                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1312                 }
1313         }
1314
1315         return dimmed;
1316 }
1317
1318 gboolean
1319 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1320 {
1321         ModestDimmingRule *rule = NULL;
1322         gboolean dimmed = FALSE;
1323
1324         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1325         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1326         rule = MODEST_DIMMING_RULE (user_data);
1327
1328         /* Check dimmed rule */
1329         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1330
1331         if (!dimmed) {
1332                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1333                 if (dimmed) {
1334                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1335                 }
1336         }
1337
1338         return dimmed;
1339 }
1340
1341 gboolean
1342 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1343 {
1344         ModestDimmingRule *rule = NULL;
1345         const DimmedState *state = NULL;
1346         gboolean dimmed = FALSE;
1347
1348         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1349         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1350         rule = MODEST_DIMMING_RULE (user_data);
1351         state = modest_window_get_dimming_state (win);
1352
1353         /* Check in main window if there's only one message selected */
1354         if (MODEST_IS_MAIN_WINDOW (win)) {
1355                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1356         }
1357
1358         /* Check in view window if there's any attachment selected */
1359         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1360                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1361                 if (dimmed)
1362                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1363         }
1364
1365 #ifndef MODEST_TOOLKIT_HILDON2
1366         /* Messages as attachments could not be removed */
1367         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1368                 TnyList *attachments;
1369                 TnyIterator *iter;
1370                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW (win));
1371                 if (attachments) {
1372                         iter = tny_list_create_iterator (attachments);
1373                         while (!tny_iterator_is_done (iter) && !dimmed) {
1374                                 TnyMimePart *mime_part = (TnyMimePart *)
1375                                         tny_iterator_get_current (iter);
1376                                 if (modest_tny_mime_part_is_msg (mime_part))
1377                                         dimmed = TRUE;
1378                                 g_object_unref (mime_part);
1379                                 tny_iterator_next (iter);
1380                         }
1381                         g_object_unref (iter);
1382                         g_object_unref (attachments);
1383                 }
1384         }
1385 #endif
1386
1387         if (!dimmed) {
1388
1389                 dimmed = _selected_msg_sent_in_progress (win);
1390                 if (dimmed) {
1391                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1392                 }
1393         }
1394
1395         /* cannot purge in editable drafts nor pop folders */
1396         if (!dimmed) {
1397                 dimmed = _invalid_folder_for_purge (win, rule);
1398                 if (dimmed)
1399                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1400         }
1401
1402         /* Check if the selected message in main window has attachments */
1403         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1404                 dimmed = !(state->any_has_attachments);
1405                 if (dimmed)
1406                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1407         }
1408
1409         /* Check if all attachments are already purged */
1410         if (!dimmed) {
1411                 dimmed = _purged_attach_selected (win, TRUE, rule);
1412         }
1413
1414         /* Check if the message is already downloaded */
1415         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1416                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1417                 if (dimmed)
1418                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1419         }
1420
1421         return dimmed;
1422 }
1423
1424 gboolean
1425 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1426 {
1427         ModestDimmingRule *rule = NULL;
1428         gboolean dimmed = FALSE;
1429
1430         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1431         rule = MODEST_DIMMING_RULE (user_data);
1432
1433         /* Check dimmed rule */
1434         if (MODEST_IS_MAIN_WINDOW (win)) {
1435                 dimmed = _clipboard_is_empty (win);
1436                 if (dimmed)
1437                         modest_dimming_rule_set_notification (rule, "");
1438         }
1439
1440         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1441                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1442         }
1443
1444         return dimmed;
1445 }
1446
1447 gboolean
1448 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1449 {
1450         ModestDimmingRule *rule = NULL;
1451         gboolean dimmed = FALSE;
1452
1453         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1454         rule = MODEST_DIMMING_RULE (user_data);
1455
1456         /* Check dimmed rule */
1457         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1458                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1459         }
1460
1461         return dimmed;
1462 }
1463
1464 gboolean
1465 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1466 {
1467         ModestDimmingRule *rule = NULL;
1468         const DimmedState *state = NULL;
1469         gboolean dimmed = FALSE;
1470
1471         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1472         rule = MODEST_DIMMING_RULE (user_data);
1473         state = modest_window_get_dimming_state (win);
1474
1475         /* Check common dimming rules */
1476         dimmed = _invalid_clipboard_selected (win, rule);
1477
1478         /* Check window specific dimming rules */
1479         if (MODEST_IS_MAIN_WINDOW (win)) {
1480                 /* Get focused widget */
1481                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1482
1483                 if (MODEST_IS_HEADER_VIEW (focused)) {
1484                         if (!dimmed) {
1485                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1486                                 if (dimmed)
1487                                         modest_dimming_rule_set_notification (rule, "");
1488                         }
1489                         if (!dimmed) {
1490                                 dimmed = _selected_msg_sent_in_progress (win);
1491                                 if (dimmed)
1492                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1493                         }
1494                         if (!dimmed) {
1495                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1496                                 if(dimmed)
1497                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1498                         }
1499                 }
1500                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1501                         TnyFolderType types[3];
1502
1503                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1504                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1505                         types[2] = TNY_FOLDER_TYPE_SENT;
1506
1507                         /* Apply folder rules */
1508                         if (!dimmed) {
1509                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1510                                 if (dimmed)
1511                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1512                         }
1513                         if (!dimmed) {
1514                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1515                                 if (dimmed)
1516                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1517                         }
1518                         if (!dimmed) {
1519                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1520                                 if (dimmed)
1521                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1522                         }
1523                 }
1524         }
1525
1526         return dimmed;
1527 }
1528
1529 gboolean
1530 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1531 {
1532         ModestDimmingRule *rule = NULL;
1533         const DimmedState *state = NULL;
1534         gboolean dimmed = FALSE;
1535
1536         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1537         rule = MODEST_DIMMING_RULE (user_data);
1538         state = modest_window_get_dimming_state (win);
1539
1540         /* Check common dimming rules */
1541         dimmed = _invalid_clipboard_selected (win, rule);
1542
1543         /* Check window specific dimming rules */
1544         if (MODEST_IS_MAIN_WINDOW (win)) {
1545                 /* Get focused widget */
1546                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1547
1548                 if (MODEST_IS_HEADER_VIEW (focused)) {
1549                         if (!dimmed) {
1550                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1551                                 if (dimmed)
1552                                         modest_dimming_rule_set_notification (rule, "");
1553                         }
1554                         if (!dimmed) {
1555                                 dimmed = _selected_msg_sent_in_progress (win);
1556                                 if (dimmed)
1557                                         modest_dimming_rule_set_notification (rule, _(""));
1558                         }
1559                         if (!dimmed) {
1560                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1561                                 if(dimmed)
1562                                         modest_dimming_rule_set_notification (rule, _(""));
1563                         }
1564                 }
1565                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1566                         TnyFolderType types[3];
1567
1568                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1569                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1570                         types[2] = TNY_FOLDER_TYPE_SENT;
1571
1572                         if (!dimmed) {
1573                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1574                                 if (dimmed)
1575                                         modest_dimming_rule_set_notification (rule, _(""));
1576                         }
1577                         if (!dimmed) {
1578                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1579                                 if (dimmed)
1580                                         modest_dimming_rule_set_notification (rule, _(""));
1581                         }
1582                 }
1583         }
1584
1585         return dimmed;
1586 }
1587
1588 gboolean
1589 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1590 {
1591         ModestDimmingRule *rule = NULL;
1592         const DimmedState *state = NULL;
1593         gboolean dimmed = FALSE;
1594
1595         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1596         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1597         rule = MODEST_DIMMING_RULE (user_data);
1598         state = modest_window_get_dimming_state (win);
1599
1600
1601         /* Check common dimming rules */
1602         ModestMsgEditFormat format;
1603         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1604
1605         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1606         if (dimmed)
1607                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1608
1609         if (!dimmed) {
1610                 GtkWidget *body;
1611                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1612                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1613
1614                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1615                 if (dimmed)
1616                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1617         }
1618
1619
1620         return dimmed;
1621 }
1622
1623 gboolean
1624 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1625 {
1626         ModestDimmingRule *rule = NULL;
1627         const DimmedState *state = NULL;
1628         gboolean dimmed = FALSE;
1629
1630         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1631         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1632         rule = MODEST_DIMMING_RULE (user_data);
1633         state = modest_window_get_dimming_state (win);
1634
1635         GtkWidget *body;
1636         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1637                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1638
1639         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1640         if (dimmed)
1641                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1642
1643         return dimmed;
1644 }
1645
1646 gboolean
1647 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1648 {
1649         ModestDimmingRule *rule = NULL;
1650         const DimmedState *state = NULL;
1651         gboolean dimmed = FALSE;
1652         GtkWidget *focused = NULL;
1653
1654         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1655         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1656         rule = MODEST_DIMMING_RULE (user_data);
1657         state = modest_window_get_dimming_state (win);
1658
1659         focused = gtk_window_get_focus (GTK_WINDOW (win));
1660
1661         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1662
1663         if (!dimmed) {
1664                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1665         }
1666
1667         if (!dimmed) {
1668                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1669                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1670
1671                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1672                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1673         }
1674
1675         return dimmed;
1676 }
1677
1678 gboolean
1679 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1680 {
1681         ModestDimmingRule *rule = NULL;
1682         const DimmedState *state = NULL;
1683         gboolean dimmed = FALSE;
1684         TnyList *selected_attachments = NULL;
1685         gint n_att_selected = 0;
1686         GtkWidget *attachments_view;
1687
1688         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1689         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1690         rule = MODEST_DIMMING_RULE (user_data);
1691         state = modest_window_get_dimming_state (win);
1692
1693         attachments_view = modest_msg_edit_window_get_child_widget (
1694                                                                     MODEST_MSG_EDIT_WINDOW (win),
1695                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1696
1697         selected_attachments = modest_attachments_view_get_selection (
1698                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1699         n_att_selected = tny_list_get_length (selected_attachments);
1700         g_object_unref (selected_attachments);
1701
1702         dimmed = (n_att_selected < 1);
1703
1704         return dimmed;
1705 }
1706
1707 gboolean
1708 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1709 {
1710         ModestDimmingRule *rule = NULL;
1711         const DimmedState *state = NULL;
1712         gboolean dimmed = FALSE;
1713         GtkWidget *subject_field, *body_field;
1714         GtkTextBuffer *body_buffer;
1715         const gchar *subject = NULL;
1716
1717         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1718         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1719         rule = MODEST_DIMMING_RULE (user_data);
1720         state = modest_window_get_dimming_state (win);
1721
1722         body_field = modest_msg_edit_window_get_child_widget (
1723                                                               MODEST_MSG_EDIT_WINDOW (win),
1724                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1725         subject_field = modest_msg_edit_window_get_child_widget (
1726                                                                  MODEST_MSG_EDIT_WINDOW (win),
1727                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1728         body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1729         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1730
1731         dimmed = (subject == NULL || subject[0] == '\0');
1732         if (dimmed)
1733                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1734
1735         if (!dimmed) {
1736                 GtkWidget *to_field, *cc_field, *bcc_field;
1737                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1738                 cc_field = modest_msg_edit_window_get_child_widget (
1739                         MODEST_MSG_EDIT_WINDOW (win),
1740                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1741                 to_field = modest_msg_edit_window_get_child_widget (
1742                         MODEST_MSG_EDIT_WINDOW (win),
1743                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1744                 bcc_field = modest_msg_edit_window_get_child_widget (
1745                         MODEST_MSG_EDIT_WINDOW (win),
1746                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1747                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1748                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1749                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1750
1751                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1752                            gtk_text_buffer_get_char_count (cc_buffer) +
1753                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1754                 if (dimmed)
1755                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1756         }
1757
1758         return dimmed;
1759 }
1760
1761 gboolean
1762 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1763 {
1764         ModestDimmingRule *rule = NULL;
1765         gboolean dimmed = FALSE;
1766
1767         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1768         rule = MODEST_DIMMING_RULE (user_data);
1769
1770         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1771
1772         /* Check dimmed rule */
1773         dimmed = _transfer_mode_enabled (win);
1774         if (dimmed)
1775                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1776
1777         if (!dimmed) {
1778                 dimmed = modest_msg_view_window_first_message_selected (
1779                                 MODEST_MSG_VIEW_WINDOW(win));
1780                 modest_dimming_rule_set_notification (rule, NULL);
1781         }
1782
1783         return dimmed;
1784 }
1785
1786 gboolean
1787 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1788 {
1789         ModestDimmingRule *rule = NULL;
1790         gboolean dimmed = FALSE;
1791
1792         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1793         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1794         rule = MODEST_DIMMING_RULE (user_data);
1795
1796         /* Check dimmed rule */
1797         dimmed = _transfer_mode_enabled (win);
1798         if (dimmed)
1799                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1800
1801         if (!dimmed) {
1802                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1803                 modest_dimming_rule_set_notification (rule, NULL);
1804         }
1805
1806         return dimmed;
1807 }
1808
1809
1810 gboolean
1811 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1812 {
1813         return !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1814                                                 TRUE);
1815 }
1816
1817 gboolean
1818 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1819 {
1820         ModestDimmingRule *rule = NULL;
1821         TnyFolderType types[1];
1822         const DimmedState *state = NULL;
1823         gboolean dimmed = FALSE;
1824
1825         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1826         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1827         rule = MODEST_DIMMING_RULE (user_data);
1828         state = modest_window_get_dimming_state (win);
1829
1830         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1831
1832         /* Check dimmed rules */
1833         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1834         if (dimmed)
1835                 modest_dimming_rule_set_notification (rule, "");
1836         if (!dimmed) {
1837                 dimmed = !state->sent_in_progress;
1838                 if (dimmed)
1839                         modest_dimming_rule_set_notification (rule, "");
1840         }
1841
1842         return dimmed;
1843 }
1844
1845 gboolean
1846 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1847 {
1848         /* We dim if no msg send is in progress (and then cancelling send all has no
1849          * effect */
1850         return !_msgs_send_in_progress ();
1851 }
1852
1853 gboolean
1854 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1855 {
1856         ModestDimmingRule *rule = NULL;
1857         gboolean dimmed = FALSE;
1858         ModestAccountMgr *mgr;
1859         const gchar* account_name;
1860
1861         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1862         rule = MODEST_DIMMING_RULE (user_data);
1863         mgr = modest_runtime_get_account_mgr();
1864
1865         /* Check dimmed rule */
1866         account_name = modest_window_get_active_account (win);
1867         dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1868
1869         if (dimmed)
1870                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1871
1872         return dimmed;
1873 }
1874
1875 gboolean
1876 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1877 {
1878         ModestDimmingRule *rule = NULL;
1879         gboolean dimmed = FALSE;
1880
1881         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1882         rule = MODEST_DIMMING_RULE (user_data);
1883
1884         /* Check dimmed rule */
1885         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1886         if (g_slist_length (account_names) < 1)
1887                 dimmed = TRUE;
1888         if (dimmed)
1889                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1890
1891         modest_account_mgr_free_account_names (account_names);
1892
1893         if (!dimmed) {
1894                 dimmed = _send_receive_in_progress (win);
1895         }
1896
1897         return dimmed;
1898 }
1899
1900 #ifdef MODEST_TOOLKIT_HILDON2
1901 gboolean
1902 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1903 {
1904         TnyMsg *msg;
1905         GSList *recipients, *node;
1906         gboolean has_recipients_to_add;
1907
1908         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1909         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1910
1911         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1912
1913         /* Message is loaded asynchronously, so this could happen */
1914         if (!msg) {
1915 #ifdef MODEST_TOOLKIT_HILDON2
1916                 TnyHeader *header;
1917
1918                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1919                 if (!header)
1920                         return TRUE;
1921
1922                 recipients = modest_tny_msg_header_get_all_recipients_list (header);
1923                 g_object_unref (header);
1924 #else
1925                 return TRUE;
1926 #endif
1927         } else {
1928                 recipients = modest_tny_msg_get_all_recipients_list (msg);
1929                 g_object_unref (msg);
1930         }
1931
1932         has_recipients_to_add = FALSE;
1933         for (node = recipients; node != NULL; node = g_slist_next (node)) {
1934                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
1935                         has_recipients_to_add = TRUE;
1936                         break;
1937                 }
1938         }
1939
1940         g_slist_foreach (recipients, (GFunc) g_free, NULL);
1941         g_slist_free (recipients);
1942
1943         return !has_recipients_to_add;
1944 }
1945 #else
1946 gboolean
1947 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1948 {
1949         ModestDimmingRule *rule = NULL;
1950         gboolean dimmed = FALSE;
1951         GtkWidget *focused = NULL;
1952
1953         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1954         rule = MODEST_DIMMING_RULE (user_data);
1955         focused = gtk_window_get_focus (GTK_WINDOW (win));
1956
1957         dimmed = !focused;
1958
1959         if (!dimmed) {
1960                 gchar *selection = NULL;
1961                 if (GTK_IS_TEXT_VIEW (focused)) {
1962                         GtkTextIter start, end;
1963                         GtkTextBuffer *buffer = NULL;
1964                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1965                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1966                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1967                         }
1968                 } else if (GTK_IS_LABEL (focused)) {
1969                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
1970                 } else {
1971                         gboolean do_check = TRUE;
1972                         GtkClipboard *clipboard;
1973                         if (GTK_IS_HTML (focused)) {
1974                                 const gchar *sel;
1975                                 int len = -1;
1976                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1977                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
1978                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1979                                 do_check = FALSE;
1980                         }
1981                         if (do_check) {
1982                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1983                                 selection = gtk_clipboard_wait_for_text (clipboard);
1984                         } else {
1985                                 selection = NULL;
1986                         }
1987                 }
1988                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1989         }
1990
1991         return dimmed;
1992 }
1993 #endif
1994
1995 /* *********************** static utility functions ******************** */
1996
1997
1998 static gboolean
1999 _selected_folder_not_writeable (ModestMainWindow *win,
2000                                 gboolean for_paste)
2001 {
2002         GtkWidget *folder_view = NULL;
2003         TnyFolderStore *parent_folder = NULL;
2004         ModestEmailClipboard *clipboard = NULL;
2005         ModestTnyFolderRules rules;
2006         gboolean is_local_acc = FALSE;
2007         gboolean xfer_folders = FALSE;
2008         gboolean result = FALSE;
2009
2010         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2011
2012         /* Get folder view */
2013         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2014                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2015         /* If no folder view, always dimmed */
2016         if (!folder_view)
2017                 return TRUE;
2018
2019         /* Get selected folder as parent of new folder to create */
2020         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2021         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2022                 /* If it's the local account and its transfering folders, then do not dim */
2023                 if (TNY_IS_ACCOUNT (parent_folder)) {
2024                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2025                         if (for_paste) {
2026                                 clipboard = modest_runtime_get_email_clipboard ();
2027                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2028                         }
2029                 }
2030
2031                 if (for_paste)
2032                         result = !(is_local_acc && xfer_folders);
2033                 else
2034                         result = !is_local_acc;
2035                 goto frees;
2036         }
2037
2038         /* Check dimmed rule */
2039         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2040         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2041
2042         /* free */
2043  frees:
2044         if (parent_folder != NULL)
2045                 g_object_unref (parent_folder);
2046
2047         return result;
2048 }
2049
2050 static gboolean
2051 _selected_folder_not_deletable (ModestMainWindow *win)
2052 {
2053         GtkWidget *folder_view = NULL;
2054         TnyFolderStore *parent_folder = NULL;
2055         ModestTnyFolderRules rules;
2056         gboolean result = FALSE;
2057
2058         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2059
2060         /* Get folder view */
2061         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2062                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2063         /* If no folder view, always dimmed */
2064         if (!folder_view)
2065                 return TRUE;
2066
2067         /* Get selected folder as parent of new folder to create */
2068         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2069         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2070                 result = TRUE;
2071                 goto frees;
2072         }
2073
2074         /* Check dimmed rule */
2075         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2076         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2077
2078         /* free */
2079  frees:
2080         if (parent_folder != NULL)
2081                 g_object_unref (parent_folder);
2082
2083         return result;
2084 }
2085
2086 static gboolean
2087 _selected_folder_not_moveable (ModestMainWindow *win)
2088 {
2089         GtkWidget *folder_view = NULL;
2090         TnyFolderStore *parent_folder = NULL;
2091         ModestTnyFolderRules rules;
2092         gboolean result = FALSE;
2093
2094         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2095
2096         /* Get folder view */
2097         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2098                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2099         /* If no folder view, always dimmed */
2100         if (!folder_view)
2101                 return TRUE;
2102
2103         /* Get selected folder as parent of new folder to create */
2104         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2105         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2106                 result = TRUE;
2107                 goto frees;
2108         }
2109
2110         /* Check dimmed rule */
2111         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2112         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2113
2114         /* free */
2115  frees:
2116         if (parent_folder != NULL)
2117                 g_object_unref (parent_folder);
2118
2119         return result;
2120 }
2121
2122 static gboolean
2123 _selected_folder_not_renameable (ModestMainWindow *win)
2124 {
2125         GtkWidget *folder_view = NULL;
2126         TnyFolderStore *parent_folder = NULL;
2127         ModestTnyFolderRules rules;
2128         gboolean result = FALSE;
2129
2130         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2131
2132         /* Get folder view */
2133         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2134                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2135         /* If no folder view, always dimmed */
2136         if (!folder_view)
2137                 return TRUE;
2138
2139         /* Get selected folder as parent of new folder to create */
2140         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2141         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2142                 result = TRUE;
2143                 goto frees;
2144         }
2145
2146         /* Check dimmed rule */
2147         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2148         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2149
2150         /* free */
2151  frees:
2152         if (parent_folder != NULL)
2153                 g_object_unref (parent_folder);
2154
2155         return result;
2156 }
2157
2158 static gboolean
2159 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2160 {
2161         TnyFolderType types[2];
2162         gboolean result = FALSE;
2163
2164         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2165
2166         types[0] = TNY_FOLDER_TYPE_ROOT;
2167         types[1] = TNY_FOLDER_TYPE_INBOX;
2168
2169         /* Check folder type */
2170         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2171
2172         /* Check pop and MMC accounts */
2173         if (!result) {
2174                 result = _selected_folder_is_root (win);
2175         }
2176
2177         return result;
2178 }
2179
2180
2181 static gboolean
2182 _selected_folder_is_root (ModestMainWindow *win)
2183 {
2184         TnyFolderType types[1];
2185         gboolean result = FALSE;
2186
2187         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2188
2189         /* All accounts are root items: */
2190         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2191                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2192         if (folder_view) {
2193                 gboolean is_account = FALSE;
2194                 TnyFolderStore *folder_store =
2195                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2196                 if (folder_store) {
2197                         is_account = TNY_IS_ACCOUNT (folder_store);
2198
2199                         g_object_unref (folder_store);
2200                         folder_store = NULL;
2201                 }
2202
2203                 if (is_account)
2204                         return TRUE;
2205         }
2206
2207         /* Try something more precise: */
2208         types[0] = TNY_FOLDER_TYPE_ROOT;
2209
2210         /* Check folder type */
2211         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2212
2213         return result;
2214 }
2215
2216 static gboolean
2217 _header_view_is_all_selected (ModestMainWindow *win)
2218 {
2219         const DimmedState *state = NULL;
2220
2221         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2222
2223         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2224
2225         return state->all_selected;
2226 }
2227
2228 static gboolean
2229 _selected_folder_is_empty (ModestMainWindow *win)
2230 {
2231         GtkWidget *folder_view = NULL, *header_view = NULL;
2232         TnyFolderStore *folder = NULL;
2233         gboolean result = FALSE;
2234
2235         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2236
2237         /* Get folder view */
2238         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2239                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2240
2241         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2242                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2243
2244         /* If no folder view, always dimmed */
2245         if (!folder_view || !header_view)
2246                 return TRUE;
2247
2248         /* Get selected folder as parent of new folder to create */
2249         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2250         if (!(folder && TNY_IS_FOLDER(folder))) {
2251                 if (folder)
2252                         g_object_unref (folder);
2253                 return TRUE;
2254         }
2255
2256         /* Check folder type */
2257         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2258             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2259                 result = TRUE;
2260
2261         /* free */
2262         g_object_unref (folder);
2263
2264         return result;
2265 }
2266
2267 static gboolean
2268 _folder_view_has_focus (ModestWindow *win)
2269 {
2270         GtkWidget *folder_view = NULL;
2271
2272         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2273
2274         /* Get folder view */
2275         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2276                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2277         if (!folder_view)
2278                 return FALSE;
2279
2280         if (gtk_widget_is_focus(folder_view))
2281                 return TRUE;
2282
2283         return FALSE;
2284 }
2285
2286 static gboolean
2287 _selected_folder_is_same_as_source (ModestWindow *win)
2288 {
2289         ModestEmailClipboard *clipboard = NULL;
2290         GtkWidget *folder_view = NULL;
2291         TnyFolderStore *folder = NULL;
2292         gboolean result = FALSE;
2293
2294         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2295
2296         /* Get folder view */
2297         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2298                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2299         if (!folder_view)
2300                 return FALSE;
2301
2302         /* Get selected folder as destination folder */
2303         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2304         if (!(folder && TNY_IS_FOLDER(folder))) {
2305                 result = FALSE;
2306                 goto frees;
2307         }
2308
2309         /* Check clipboard is cleared */
2310         clipboard = modest_runtime_get_email_clipboard ();
2311         if (modest_email_clipboard_cleared (clipboard)) {
2312                 result = FALSE;
2313                 goto frees;
2314         }
2315
2316         /* Check source folder */
2317         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2318
2319         /* Free */
2320  frees:
2321         g_object_unref (folder);
2322
2323         return result;
2324 }
2325
2326 static gboolean
2327 _selected_folder_is_any_of_type (ModestWindow *win,
2328                                  TnyFolderType types[],
2329                                  guint ntypes)
2330 {
2331         GtkWidget *folder_view = NULL;
2332         TnyFolderStore *folder = NULL;
2333         TnyFolderType folder_type;
2334         guint i=0;
2335         gboolean result = FALSE;
2336
2337         /*Get current folder */
2338         if (MODEST_IS_MAIN_WINDOW(win)) {
2339
2340                 /* Get folder view */
2341                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2342                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2343                 /* If no folder view, always dimmed */
2344                 if (!folder_view)
2345                         return FALSE;
2346
2347                 /* Get selected folder as parent of new folder to create */
2348                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2349
2350                 if (!(folder && TNY_IS_FOLDER(folder))) {
2351                         if (folder)
2352                                 g_object_unref (folder);
2353                         return FALSE;
2354                 }
2355
2356                 /* Check folder type */
2357                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2358         }
2359         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2360                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2361                 for (i=0; i < ntypes; i++) {
2362                         result = result || folder_type == types[i];
2363                 }
2364         }
2365
2366
2367         /* free */
2368         if (folder)
2369                 g_object_unref (folder);
2370
2371         return result;
2372 }
2373
2374 static gboolean
2375 _folder_is_any_of_type (TnyFolder *folder,
2376                         TnyFolderType types[],
2377                         guint ntypes)
2378 {
2379         TnyFolderType folder_type;
2380         gboolean result = FALSE;
2381         guint i;
2382
2383         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2384
2385         /* Get folder type */
2386         folder_type = modest_tny_folder_guess_folder_type (folder);
2387         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2388                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2389
2390         /* Check foler type */
2391         for (i=0; i < ntypes; i++) {
2392                 result = result || folder_type == types[i];
2393         }
2394
2395         return result;
2396 }
2397
2398 static gboolean
2399 _clipboard_is_empty (ModestWindow *win)
2400 {
2401         gboolean result = FALSE;
2402
2403         if (MODEST_IS_MAIN_WINDOW (win)) {
2404                 ModestEmailClipboard *clipboard = NULL;
2405                 clipboard = modest_runtime_get_email_clipboard ();
2406                 if (modest_email_clipboard_cleared (clipboard))
2407                  result = TRUE;
2408         }
2409
2410         return result;
2411 }
2412
2413 static gboolean
2414 _invalid_clipboard_selected (ModestWindow *win,
2415                              ModestDimmingRule *rule)
2416 {
2417         const DimmedState *state = NULL;
2418         gboolean result = FALSE;
2419         GtkWidget *focused = NULL;
2420
2421         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2422         state = modest_window_get_dimming_state (win);
2423         /* Get focuesed widget */
2424         focused = gtk_window_get_focus (GTK_WINDOW (win));
2425
2426         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2427                 gboolean has_selection = FALSE;
2428                 if (GTK_IS_TEXT_VIEW (focused)) {
2429                         GtkTextBuffer *buffer = NULL;
2430                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2431                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2432                 } else if (GTK_IS_EDITABLE (focused)) {
2433                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2434                 }
2435                 result = !has_selection;
2436         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2437                 if (focused) {
2438                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2439                         if (GTK_IS_LABEL (focused) &&
2440                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2441                                 result = TRUE;
2442                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2443                                 GtkTextBuffer *buffer;
2444                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2445                                 result = !gtk_text_buffer_get_has_selection (buffer);
2446                         } else if (GTK_IS_HTML (focused)) {
2447                                 const gchar *sel;
2448                                 int len = -1;
2449                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2450                                 result = ((sel == NULL) || (sel[0] == '\0'));
2451                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2452                                 result = TRUE;
2453                         } else {
2454                                 GtkClipboard *clipboard;
2455                                 gchar *selection;
2456
2457                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2458                                 /* Get clipboard selection*/
2459                                 selection = gtk_clipboard_wait_for_text (clipboard);
2460                                 /* Check dimming */
2461                                 result = (selection == NULL);
2462                                 g_free (selection);
2463                         }
2464                 } else {
2465                         result = TRUE;
2466                 }
2467
2468                 if (result)
2469                         modest_dimming_rule_set_notification (rule, "");
2470
2471         }
2472         else if (MODEST_IS_MAIN_WINDOW (win)) {
2473                 /* Check dimming */
2474                 result = state->n_selected == 0;
2475                 if (result)
2476                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2477         }
2478
2479         return result;
2480 }
2481
2482
2483 static gboolean
2484 _invalid_attach_selected (ModestWindow *win,
2485                           gboolean unique,
2486                           gboolean for_view,
2487                           gboolean for_remove,
2488                           ModestDimmingRule *rule)
2489 {
2490         TnyList *attachments;
2491         gint n_selected;
2492         TnyHeaderFlags flags;
2493         gboolean nested_attachments = FALSE;
2494         gboolean selected_messages = FALSE;
2495         const DimmedState *state = NULL;
2496         gboolean result = FALSE;
2497
2498         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2499         state = modest_window_get_dimming_state (win);
2500
2501         if (MODEST_IS_MAIN_WINDOW (win)) {
2502                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2503                 if (!result)
2504                         result = !state->any_has_attachments;
2505         }
2506         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2507
2508                 /* Get selected atachments */
2509                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2510                 n_selected = tny_list_get_length (attachments);
2511
2512                 /* Check unique */
2513                 if (!result) {
2514                         if (unique)
2515                                 result = n_selected != 1;
2516                         else
2517
2518                                 result = n_selected < 1;
2519                 }
2520
2521                 /* Check attached type (view operation not required) */
2522                 if (!result && !for_view)  {
2523                         TnyIterator *iter;
2524                         iter = tny_list_create_iterator (attachments);
2525                         while (!tny_iterator_is_done (iter) && !result) {
2526 #ifdef MODEST_TOOLKIT_HILDON2
2527                                 gboolean not_selectable = FALSE;
2528 #endif
2529                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2530                                 TnyList *nested_list = tny_simple_list_new ();
2531                                 tny_mime_part_get_parts (mime_part, nested_list);
2532
2533                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
2534                                         TnyMsg *window_msg;
2535                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2536                                         if ((TnyMimePart *) window_msg != mime_part) {
2537                                                 selected_messages = TRUE;
2538 #ifdef MODEST_TOOLKIT_HILDON2
2539                                                 not_selectable = TRUE;
2540 #else
2541                                                 result = TRUE;
2542 #endif
2543                                         }
2544                                         g_object_unref (window_msg);
2545                                 }
2546                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2547                                         nested_attachments = TRUE;
2548 #ifdef MODEST_TOOLKIT_HILDON2
2549                                         not_selectable = TRUE;
2550 #else
2551                                         result = TRUE;
2552 #endif
2553                                 }
2554 #ifdef MODEST_TOOLKIT_HILDON2
2555                                 if (not_selectable)
2556                                         n_selected --;
2557 #endif
2558                                 g_object_unref (nested_list);
2559                                 g_object_unref (mime_part);
2560                                 tny_iterator_next (iter);
2561                         }
2562                         g_object_unref (iter);
2563                 }
2564
2565                 /* No valid attachment available */
2566                 if (n_selected == 0)
2567                         result = TRUE;
2568
2569                 /* Set notifications */
2570                 if (result && rule != NULL) {
2571                         if (selected_messages) {
2572                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2573                         } else if (nested_attachments) {
2574                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2575                         } else if (n_selected == 0) {
2576                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2577                         } else if (unique) {
2578                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2579                         }
2580                 }
2581
2582                 /* Free */
2583                 g_object_unref (attachments);
2584         }
2585
2586         return result;
2587 }
2588
2589 static gboolean
2590 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2591 {
2592         TnyList *attachments = NULL;
2593         TnyIterator *iter;
2594         gint purged = 0;
2595         gint n_attachments = 0;
2596         gboolean result = FALSE;
2597
2598         /* This should check if _all_ the attachments are already purged. If only some
2599          * of them are purged, then it does not cause dim as there's a confirmation dialog
2600          * for removing only local attachments */
2601
2602         /* Get selected atachments */
2603         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2604                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2605         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2606                 /* If we're in main window, we won't know if there are already purged attachments */
2607                 return FALSE;
2608         }
2609
2610         if (attachments == NULL)
2611                 return FALSE;
2612
2613         if (tny_list_get_length (attachments) == 0) {
2614                 g_object_unref (attachments);
2615                 return FALSE;
2616         }
2617
2618         iter = tny_list_create_iterator (attachments);
2619         while (!tny_iterator_is_done (iter)) {
2620                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2621                 if (tny_mime_part_is_purged (mime_part)) {
2622                         purged++;
2623                 }
2624                 n_attachments++;
2625                 g_object_unref (mime_part);
2626                 tny_iterator_next (iter);
2627         }
2628         g_object_unref (iter);
2629
2630         /* Free */
2631         g_object_unref (attachments);
2632
2633         if (all)
2634                 result = (purged == n_attachments);
2635         else
2636                 result = (purged > 0);
2637
2638         /* This string no longer exists, refer to NB#75415 for more info
2639         if (result && (rule != NULL))
2640                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2641         */
2642
2643         return result;
2644 }
2645
2646 static gboolean
2647 _invalid_msg_selected (ModestMainWindow *win,
2648                        gboolean unique,
2649                        ModestDimmingRule *rule)
2650 {
2651         GtkWidget *folder_view = NULL;
2652         const DimmedState *state = NULL;
2653         gboolean result = FALSE;
2654
2655         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2656         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2657         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2658
2659         /* Get folder view to check focus */
2660         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2661                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2662
2663         /* Check dimmed rule (TODO: check focus on widgets */
2664         if (!result) {
2665                 result = ((state->n_selected == 0 ) ||
2666                           (gtk_widget_is_focus (folder_view)));
2667                 if (result)
2668                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2669         }
2670         if (!result && unique) {
2671                 result = state->n_selected > 1;
2672                 if (result)
2673                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2674         }
2675
2676         return result;
2677 }
2678
2679
2680 static gboolean
2681 _msg_download_in_progress (ModestWindow *win)
2682 {
2683         gboolean result = FALSE;
2684
2685         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2686
2687         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2688                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2689         }
2690         else if (MODEST_IS_MAIN_WINDOW (win)) {
2691                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2692         }
2693
2694         return result;
2695 }
2696
2697 static gboolean
2698 _msg_download_completed (ModestMainWindow *win)
2699 {
2700         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2701         return state->any_marked_as_cached;
2702 }
2703
2704 static void
2705 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2706 {
2707         GSList **send_queues = (GSList **) userdata;
2708         *send_queues = g_slist_prepend (*send_queues, value);
2709 }
2710
2711 static gboolean
2712 _selected_msg_sent_in_progress (ModestWindow *win)
2713 {
2714         const DimmedState *state = modest_window_get_dimming_state (win);
2715         return state->sent_in_progress;
2716 }
2717
2718
2719 static gboolean
2720 _invalid_folder_for_purge (ModestWindow *win,
2721                            ModestDimmingRule *rule)
2722 {
2723         TnyFolder *folder = NULL;
2724         TnyAccount *account = NULL;
2725         gboolean result = FALSE;
2726
2727         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2728
2729                 /* Get folder and account of message */
2730                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2731                 g_return_val_if_fail(msg != NULL, TRUE);
2732                 folder = tny_msg_get_folder (msg);
2733                 g_object_unref (msg);
2734                 if (folder == NULL) {
2735                         result = TRUE;
2736                         goto frees;
2737                 }
2738         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2739                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2740                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2741                 if (!folder_view)
2742                         return FALSE;
2743                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2744                 /* Could be a folder store */
2745                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2746                         goto frees;
2747         } else {
2748                 g_return_val_if_reached (FALSE);
2749         }
2750         account = modest_tny_folder_get_account (folder);
2751         if (account == NULL) goto frees;
2752
2753         /* Check account */
2754         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2755                 TnyFolderType types[2];
2756                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2757                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2758
2759                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2760                         result = TRUE;
2761                 }
2762         } else {
2763                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2764                 /* If it's a remote folder then dim */
2765                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2766                                                                     protocol_type,
2767                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2768                         result = TRUE;
2769                 }
2770         }
2771
2772 frees:
2773         if (folder != NULL)
2774                 g_object_unref (folder);
2775         if (account != NULL)
2776                 g_object_unref (account);
2777
2778         return result;
2779 }
2780
2781 static gboolean
2782 _transfer_mode_enabled (ModestWindow *win)
2783 {
2784         gboolean result = FALSE;
2785
2786         /* Check dimming */
2787         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2788                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2789         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2790                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2791 #ifdef MODEST_TOOLKIT_HILDON2
2792         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2793                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2794 #endif
2795         } else {
2796                 g_warning("_transfer_mode_enabled called with wrong window type");
2797         }
2798
2799         return result;
2800 }
2801
2802 static gboolean
2803 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2804 {
2805         GtkWidget *folder_view = NULL;
2806         TnyFolderStore *folder = NULL;
2807         ModestEmailClipboard *clipboard = NULL;
2808         const gchar *folder_name = NULL;
2809         gboolean result = FALSE;
2810
2811         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2812
2813         /*Get current parent folder */
2814         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2815                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2816         /* If no folder view, always dimmed */
2817         if (!folder_view) return FALSE;
2818
2819         /* Get selected folder as parent of new folder to create */
2820         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2821         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2822
2823         /* get modest clipboard and source folder */
2824         clipboard = modest_runtime_get_email_clipboard ();
2825         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2826         if (folder_name == NULL) goto frees;
2827
2828         /* Check source subfolders names */
2829         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2830                                                             TRUE);
2831
2832         /* Free */
2833  frees:
2834         if (folder != NULL)
2835                 g_object_unref (folder);
2836
2837
2838         return result;
2839 }
2840
2841 gboolean
2842 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2843                                            gpointer user_data)
2844 {
2845         ModestDimmingRule *rule = NULL;
2846
2847         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2848         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2849         rule = MODEST_DIMMING_RULE (user_data);
2850
2851         /* Check dimmed rule */
2852         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2853 }
2854
2855 gboolean
2856 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2857                                          gpointer user_data)
2858 {
2859         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2860
2861         ModestMsgEditFormat format =
2862           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2863
2864         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2865 }
2866
2867 static gboolean
2868 _send_receive_in_progress (ModestWindow *win)
2869 {
2870         ModestMailOperationQueue *queue;
2871         GSList *op_list, *node;
2872         gboolean found_send_receive;
2873
2874         queue = modest_runtime_get_mail_operation_queue ();
2875         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
2876
2877         found_send_receive = FALSE;
2878         for (node = op_list; node != NULL; node = g_slist_next (node)) {
2879                 ModestMailOperation *op;
2880
2881                 op = (ModestMailOperation *) node->data;
2882                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
2883                         found_send_receive = TRUE;
2884                         break;
2885                 }
2886         }
2887
2888         g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
2889         g_slist_free (op_list);
2890
2891         return found_send_receive;
2892 }
2893
2894 static gboolean
2895 _msgs_send_in_progress (void)
2896 {
2897         ModestCacheMgr *cache_mgr;
2898         GHashTable *send_queue_cache;
2899         ModestTnySendQueue *send_queue;
2900         GSList *send_queues = NULL, *node = NULL;
2901         gboolean found = FALSE;
2902
2903         cache_mgr = modest_runtime_get_cache_mgr ();
2904         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2905                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2906
2907         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2908
2909         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
2910                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2911
2912                 /* Check if msg uid is being processed inside send queue */
2913                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
2914                         found = TRUE;
2915                         break;
2916                 }
2917         }
2918
2919         g_slist_free (send_queues);
2920
2921         return found;
2922 }