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, dgettext("hildon-common-strings", "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                                                       dgettext("hildon-common-strings",
1226                                                                "ecoc_ib_edwin_nothing_to_paste"));
1227         if (!dimmed) {
1228                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1229                 if (dimmed)
1230                         modest_dimming_rule_set_notification (rule,
1231                                                               dgettext("hildon-common-strings",
1232                                                                        "ckct_ib_unable_to_paste_here"));
1233         }
1234         if (!dimmed) {
1235                 dimmed = !_folder_view_has_focus (win);
1236                 if (dimmed)
1237                         modest_dimming_rule_set_notification (rule,
1238                                         dgettext("hildon-common-strings",
1239                                         "ckct_ib_unable_to_paste_here"));
1240         }
1241         if (!dimmed) {
1242                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1243                 if (dimmed)
1244                         modest_dimming_rule_set_notification (rule,
1245                                                               dgettext("hildon-common-strings",
1246                                                                        "ckct_ib_unable_to_paste_here"));
1247         }
1248         if (!dimmed) {
1249                 dimmed = _selected_folder_is_same_as_source (win);
1250                 if (dimmed)
1251                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1252         }
1253         if (!dimmed) {
1254                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1255                 if (dimmed)
1256                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1257         }
1258
1259         return dimmed;
1260 }
1261
1262
1263 gboolean
1264 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1265 {
1266         ModestDimmingRule *rule = NULL;
1267         gboolean dimmed = FALSE;
1268         GtkWidget *focused = NULL;
1269
1270         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1271         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1272         rule = MODEST_DIMMING_RULE (user_data);
1273
1274         focused = gtk_window_get_focus (GTK_WINDOW (win));
1275
1276         /* Main window dimming rules */
1277         if (MODEST_IS_MAIN_WINDOW (win))
1278                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1279
1280         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1281                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1282
1283         if (!dimmed && GTK_IS_ENTRY (focused)) {
1284                 const gchar *current_text;
1285                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1286                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1287         }
1288
1289         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1290                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1291                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1292         }
1293
1294         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1295                 dimmed = FALSE;
1296         return dimmed;
1297 }
1298
1299 gboolean
1300 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1301 {
1302         ModestDimmingRule *rule = NULL;
1303         gboolean dimmed = FALSE;
1304
1305         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1306         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1307         rule = MODEST_DIMMING_RULE (user_data);
1308
1309         /* Check dimmed rule */
1310         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1311
1312         if (!dimmed) {
1313                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1314                 if (dimmed) {
1315                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1316                 }
1317         }
1318
1319         return dimmed;
1320 }
1321
1322 gboolean
1323 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1324 {
1325         ModestDimmingRule *rule = NULL;
1326         gboolean dimmed = FALSE;
1327
1328         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1329         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1330         rule = MODEST_DIMMING_RULE (user_data);
1331
1332         /* Check dimmed rule */
1333         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1334
1335         if (!dimmed) {
1336                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1337                 if (dimmed) {
1338                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1339                 }
1340         }
1341
1342         return dimmed;
1343 }
1344
1345 gboolean
1346 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1347 {
1348         ModestDimmingRule *rule = NULL;
1349         const DimmedState *state = NULL;
1350         gboolean dimmed = FALSE;
1351
1352         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1353         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1354         rule = MODEST_DIMMING_RULE (user_data);
1355         state = modest_window_get_dimming_state (win);
1356
1357         /* Check in main window if there's only one message selected */
1358         if (MODEST_IS_MAIN_WINDOW (win)) {
1359                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1360         }
1361
1362         /* Check in view window if there's any attachment selected */
1363         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1364                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1365                 if (dimmed)
1366                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1367         }
1368
1369 #ifndef MODEST_TOOLKIT_HILDON2
1370         /* Messages as attachments could not be removed */
1371         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1372                 TnyList *attachments;
1373                 TnyIterator *iter;
1374                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW (win));
1375                 if (attachments) {
1376                         iter = tny_list_create_iterator (attachments);
1377                         while (!tny_iterator_is_done (iter) && !dimmed) {
1378                                 TnyMimePart *mime_part = (TnyMimePart *)
1379                                         tny_iterator_get_current (iter);
1380                                 if (modest_tny_mime_part_is_msg (mime_part))
1381                                         dimmed = TRUE;
1382                                 g_object_unref (mime_part);
1383                                 tny_iterator_next (iter);
1384                         }
1385                         g_object_unref (iter);
1386                         g_object_unref (attachments);
1387                 }
1388         }
1389 #endif
1390
1391         if (!dimmed) {
1392
1393                 dimmed = _selected_msg_sent_in_progress (win);
1394                 if (dimmed) {
1395                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1396                 }
1397         }
1398
1399         /* cannot purge in editable drafts nor pop folders */
1400         if (!dimmed) {
1401                 dimmed = _invalid_folder_for_purge (win, rule);
1402                 if (dimmed)
1403                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1404         }
1405
1406         /* Check if the selected message in main window has attachments */
1407         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1408                 dimmed = !(state->any_has_attachments);
1409                 if (dimmed)
1410                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1411         }
1412
1413         /* Check if all attachments are already purged */
1414         if (!dimmed) {
1415                 dimmed = _purged_attach_selected (win, TRUE, rule);
1416         }
1417
1418         /* Check if the message is already downloaded */
1419         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1420                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1421                 if (dimmed)
1422                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1423         }
1424
1425         return dimmed;
1426 }
1427
1428 gboolean
1429 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1430 {
1431         ModestDimmingRule *rule = NULL;
1432         gboolean dimmed = FALSE;
1433
1434         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1435         rule = MODEST_DIMMING_RULE (user_data);
1436
1437         /* Check dimmed rule */
1438         if (MODEST_IS_MAIN_WINDOW (win)) {
1439                 dimmed = _clipboard_is_empty (win);
1440                 if (dimmed)
1441                         modest_dimming_rule_set_notification (rule, "");
1442         }
1443
1444         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1445                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1446         }
1447
1448         return dimmed;
1449 }
1450
1451 gboolean
1452 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1453 {
1454         ModestDimmingRule *rule = NULL;
1455         gboolean dimmed = FALSE;
1456
1457         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1458         rule = MODEST_DIMMING_RULE (user_data);
1459
1460         /* Check dimmed rule */
1461         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1462                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1463         }
1464
1465         return dimmed;
1466 }
1467
1468 gboolean
1469 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1470 {
1471         ModestDimmingRule *rule = NULL;
1472         const DimmedState *state = NULL;
1473         gboolean dimmed = FALSE;
1474
1475         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1476         rule = MODEST_DIMMING_RULE (user_data);
1477         state = modest_window_get_dimming_state (win);
1478
1479         /* Check common dimming rules */
1480         dimmed = _invalid_clipboard_selected (win, rule);
1481
1482         /* Check window specific dimming rules */
1483         if (MODEST_IS_MAIN_WINDOW (win)) {
1484                 /* Get focused widget */
1485                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1486
1487                 if (MODEST_IS_HEADER_VIEW (focused)) {
1488                         if (!dimmed) {
1489                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1490                                 if (dimmed)
1491                                         modest_dimming_rule_set_notification (rule, "");
1492                         }
1493                         if (!dimmed) {
1494                                 dimmed = _selected_msg_sent_in_progress (win);
1495                                 if (dimmed)
1496                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1497                         }
1498                         if (!dimmed) {
1499                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1500                                 if(dimmed)
1501                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1502                         }
1503                 }
1504                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1505                         TnyFolderType types[3];
1506
1507                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1508                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1509                         types[2] = TNY_FOLDER_TYPE_SENT;
1510
1511                         /* Apply folder rules */
1512                         if (!dimmed) {
1513                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1514                                 if (dimmed)
1515                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1516                         }
1517                         if (!dimmed) {
1518                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1519                                 if (dimmed)
1520                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1521                         }
1522                         if (!dimmed) {
1523                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1524                                 if (dimmed)
1525                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1526                         }
1527                 }
1528         }
1529
1530         return dimmed;
1531 }
1532
1533 gboolean
1534 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1535 {
1536         ModestDimmingRule *rule = NULL;
1537         const DimmedState *state = NULL;
1538         gboolean dimmed = FALSE;
1539
1540         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1541         rule = MODEST_DIMMING_RULE (user_data);
1542         state = modest_window_get_dimming_state (win);
1543
1544         /* Check common dimming rules */
1545         dimmed = _invalid_clipboard_selected (win, rule);
1546
1547         /* Check window specific dimming rules */
1548         if (MODEST_IS_MAIN_WINDOW (win)) {
1549                 /* Get focused widget */
1550                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1551
1552                 if (MODEST_IS_HEADER_VIEW (focused)) {
1553                         if (!dimmed) {
1554                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1555                                 if (dimmed)
1556                                         modest_dimming_rule_set_notification (rule, "");
1557                         }
1558                         if (!dimmed) {
1559                                 dimmed = _selected_msg_sent_in_progress (win);
1560                                 if (dimmed)
1561                                         modest_dimming_rule_set_notification (rule, _(""));
1562                         }
1563                         if (!dimmed) {
1564                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1565                                 if(dimmed)
1566                                         modest_dimming_rule_set_notification (rule, _(""));
1567                         }
1568                 }
1569                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1570                         TnyFolderType types[3];
1571
1572                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1573                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1574                         types[2] = TNY_FOLDER_TYPE_SENT;
1575
1576                         if (!dimmed) {
1577                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1578                                 if (dimmed)
1579                                         modest_dimming_rule_set_notification (rule, _(""));
1580                         }
1581                         if (!dimmed) {
1582                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1583                                 if (dimmed)
1584                                         modest_dimming_rule_set_notification (rule, _(""));
1585                         }
1586                 }
1587         }
1588
1589         return dimmed;
1590 }
1591
1592 gboolean
1593 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1594 {
1595         ModestDimmingRule *rule = NULL;
1596         const DimmedState *state = NULL;
1597         gboolean dimmed = FALSE;
1598
1599         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1600         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1601         rule = MODEST_DIMMING_RULE (user_data);
1602         state = modest_window_get_dimming_state (win);
1603
1604
1605         /* Check common dimming rules */
1606         ModestMsgEditFormat format;
1607         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1608
1609         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1610         if (dimmed)
1611                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1612
1613         if (!dimmed) {
1614                 GtkWidget *body;
1615                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1616                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1617
1618                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1619                 if (dimmed)
1620                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1621         }
1622
1623
1624         return dimmed;
1625 }
1626
1627 gboolean
1628 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1629 {
1630         ModestDimmingRule *rule = NULL;
1631         const DimmedState *state = NULL;
1632         gboolean dimmed = FALSE;
1633
1634         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1635         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1636         rule = MODEST_DIMMING_RULE (user_data);
1637         state = modest_window_get_dimming_state (win);
1638
1639         GtkWidget *body;
1640         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1641                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1642
1643         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1644         if (dimmed)
1645                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1646
1647         return dimmed;
1648 }
1649
1650 gboolean
1651 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1652 {
1653         ModestDimmingRule *rule = NULL;
1654         const DimmedState *state = NULL;
1655         gboolean dimmed = FALSE;
1656         GtkWidget *focused = NULL;
1657
1658         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1659         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1660         rule = MODEST_DIMMING_RULE (user_data);
1661         state = modest_window_get_dimming_state (win);
1662
1663         focused = gtk_window_get_focus (GTK_WINDOW (win));
1664
1665         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1666
1667         if (!dimmed) {
1668                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1669         }
1670
1671         if (!dimmed) {
1672                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1673                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1674
1675                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1676                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1677         }
1678
1679         return dimmed;
1680 }
1681
1682 gboolean
1683 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1684 {
1685         ModestDimmingRule *rule = NULL;
1686         const DimmedState *state = NULL;
1687         gboolean dimmed = FALSE;
1688         TnyList *selected_attachments = NULL;
1689         gint n_att_selected = 0;
1690         GtkWidget *attachments_view;
1691
1692         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1693         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1694         rule = MODEST_DIMMING_RULE (user_data);
1695         state = modest_window_get_dimming_state (win);
1696
1697         attachments_view = modest_msg_edit_window_get_child_widget (
1698                                                                     MODEST_MSG_EDIT_WINDOW (win),
1699                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1700
1701         selected_attachments = modest_attachments_view_get_selection (
1702                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1703         n_att_selected = tny_list_get_length (selected_attachments);
1704         g_object_unref (selected_attachments);
1705
1706         dimmed = (n_att_selected < 1);
1707
1708         return dimmed;
1709 }
1710
1711 gboolean
1712 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1713 {
1714         ModestDimmingRule *rule = NULL;
1715         const DimmedState *state = NULL;
1716         gboolean dimmed = FALSE;
1717         GtkWidget *subject_field, *body_field;
1718         GtkTextBuffer *body_buffer;
1719         const gchar *subject = NULL;
1720
1721         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1722         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1723         rule = MODEST_DIMMING_RULE (user_data);
1724         state = modest_window_get_dimming_state (win);
1725
1726         body_field = modest_msg_edit_window_get_child_widget (
1727                                                               MODEST_MSG_EDIT_WINDOW (win),
1728                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1729         subject_field = modest_msg_edit_window_get_child_widget (
1730                                                                  MODEST_MSG_EDIT_WINDOW (win),
1731                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1732         body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1733         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1734
1735         dimmed = (subject == NULL || subject[0] == '\0');
1736         if (dimmed)
1737                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1738
1739         if (!dimmed) {
1740                 GtkWidget *to_field, *cc_field, *bcc_field;
1741                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1742                 cc_field = modest_msg_edit_window_get_child_widget (
1743                         MODEST_MSG_EDIT_WINDOW (win),
1744                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1745                 to_field = modest_msg_edit_window_get_child_widget (
1746                         MODEST_MSG_EDIT_WINDOW (win),
1747                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1748                 bcc_field = modest_msg_edit_window_get_child_widget (
1749                         MODEST_MSG_EDIT_WINDOW (win),
1750                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1751                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1752                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1753                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1754
1755                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1756                            gtk_text_buffer_get_char_count (cc_buffer) +
1757                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1758                 if (dimmed)
1759                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1760         }
1761
1762         return dimmed;
1763 }
1764
1765 gboolean
1766 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1767 {
1768         ModestDimmingRule *rule = NULL;
1769         gboolean dimmed = FALSE;
1770
1771         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1772         rule = MODEST_DIMMING_RULE (user_data);
1773
1774         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1775
1776         /* Check dimmed rule */
1777         dimmed = _transfer_mode_enabled (win);
1778         if (dimmed)
1779                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1780
1781         if (!dimmed) {
1782                 dimmed = modest_msg_view_window_first_message_selected (
1783                                 MODEST_MSG_VIEW_WINDOW(win));
1784                 modest_dimming_rule_set_notification (rule, NULL);
1785         }
1786
1787         return dimmed;
1788 }
1789
1790 gboolean
1791 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1792 {
1793         ModestDimmingRule *rule = NULL;
1794         gboolean dimmed = FALSE;
1795
1796         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1797         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1798         rule = MODEST_DIMMING_RULE (user_data);
1799
1800         /* Check dimmed rule */
1801         dimmed = _transfer_mode_enabled (win);
1802         if (dimmed)
1803                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1804
1805         if (!dimmed) {
1806                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1807                 modest_dimming_rule_set_notification (rule, NULL);
1808         }
1809
1810         return dimmed;
1811 }
1812
1813
1814 gboolean
1815 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1816 {
1817         return !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1818                                                 TRUE);
1819 }
1820
1821 gboolean
1822 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1823 {
1824         ModestDimmingRule *rule = NULL;
1825         TnyFolderType types[1];
1826         const DimmedState *state = NULL;
1827         gboolean dimmed = FALSE;
1828
1829         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1830         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1831         rule = MODEST_DIMMING_RULE (user_data);
1832         state = modest_window_get_dimming_state (win);
1833
1834         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1835
1836         /* Check dimmed rules */
1837         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1838         if (dimmed)
1839                 modest_dimming_rule_set_notification (rule, "");
1840         if (!dimmed) {
1841                 dimmed = !state->sent_in_progress;
1842                 if (dimmed)
1843                         modest_dimming_rule_set_notification (rule, "");
1844         }
1845
1846         return dimmed;
1847 }
1848
1849 gboolean
1850 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1851 {
1852         /* We dim if no msg send is in progress (and then cancelling send all has no
1853          * effect */
1854         return !_msgs_send_in_progress ();
1855 }
1856
1857 gboolean
1858 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1859 {
1860         ModestDimmingRule *rule = NULL;
1861         gboolean dimmed = FALSE;
1862         ModestAccountMgr *mgr;
1863         const gchar* account_name;
1864
1865         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1866         rule = MODEST_DIMMING_RULE (user_data);
1867         mgr = modest_runtime_get_account_mgr();
1868
1869         /* Check dimmed rule */
1870         account_name = modest_window_get_active_account (win);
1871         dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1872
1873         if (dimmed)
1874                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1875
1876         return dimmed;
1877 }
1878
1879 gboolean
1880 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1881 {
1882         ModestDimmingRule *rule = NULL;
1883         gboolean dimmed = FALSE;
1884
1885         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1886         rule = MODEST_DIMMING_RULE (user_data);
1887
1888         /* Check dimmed rule */
1889         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1890         if (g_slist_length (account_names) <= 1)
1891                 dimmed = TRUE;
1892         if (dimmed)
1893                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1894
1895         modest_account_mgr_free_account_names (account_names);
1896
1897         if (!dimmed) {
1898                 dimmed = _send_receive_in_progress (win);
1899         }
1900
1901         return dimmed;
1902 }
1903
1904 #ifdef MODEST_TOOLKIT_HILDON2
1905 gboolean
1906 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1907 {
1908         TnyMsg *msg;
1909         GSList *recipients, *node;
1910         gboolean has_recipients_to_add;
1911
1912         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1913         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1914
1915         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1916
1917         /* Message is loaded asynchronously, so this could happen */
1918         if (!msg) {
1919 #ifdef MODEST_TOOLKIT_HILDON2
1920                 TnyHeader *header;
1921
1922                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1923                 if (!header)
1924                         return TRUE;
1925
1926                 recipients = modest_tny_msg_header_get_all_recipients_list (header);
1927                 g_object_unref (header);
1928 #else
1929                 return TRUE;
1930 #endif
1931         } else {
1932                 recipients = modest_tny_msg_get_all_recipients_list (msg);
1933                 g_object_unref (msg);
1934         }
1935
1936         has_recipients_to_add = FALSE;
1937         for (node = recipients; node != NULL; node = g_slist_next (node)) {
1938                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
1939                         has_recipients_to_add = TRUE;
1940                         break;
1941                 }
1942         }
1943
1944         g_slist_foreach (recipients, (GFunc) g_free, NULL);
1945         g_slist_free (recipients);
1946
1947         return !has_recipients_to_add;
1948 }
1949 #else
1950 gboolean
1951 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1952 {
1953         ModestDimmingRule *rule = NULL;
1954         gboolean dimmed = FALSE;
1955         GtkWidget *focused = NULL;
1956
1957         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1958         rule = MODEST_DIMMING_RULE (user_data);
1959         focused = gtk_window_get_focus (GTK_WINDOW (win));
1960
1961         dimmed = !focused;
1962
1963         if (!dimmed) {
1964                 gchar *selection = NULL;
1965                 if (GTK_IS_TEXT_VIEW (focused)) {
1966                         GtkTextIter start, end;
1967                         GtkTextBuffer *buffer = NULL;
1968                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1969                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1970                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1971                         }
1972                 } else if (GTK_IS_LABEL (focused)) {
1973                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
1974                 } else {
1975                         gboolean do_check = TRUE;
1976                         GtkClipboard *clipboard;
1977                         if (GTK_IS_HTML (focused)) {
1978                                 const gchar *sel;
1979                                 int len = -1;
1980                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1981                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
1982                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1983                                 do_check = FALSE;
1984                         }
1985                         if (do_check) {
1986                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1987                                 selection = gtk_clipboard_wait_for_text (clipboard);
1988                         } else {
1989                                 selection = NULL;
1990                         }
1991                 }
1992                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1993         }
1994
1995         return dimmed;
1996 }
1997 #endif
1998
1999 /* *********************** static utility functions ******************** */
2000
2001
2002 static gboolean
2003 _selected_folder_not_writeable (ModestMainWindow *win,
2004                                 gboolean for_paste)
2005 {
2006         GtkWidget *folder_view = NULL;
2007         TnyFolderStore *parent_folder = NULL;
2008         ModestEmailClipboard *clipboard = NULL;
2009         ModestTnyFolderRules rules;
2010         gboolean is_local_acc = FALSE;
2011         gboolean xfer_folders = FALSE;
2012         gboolean result = FALSE;
2013
2014         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2015
2016         /* Get folder view */
2017         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2018                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2019         /* If no folder view, always dimmed */
2020         if (!folder_view)
2021                 return TRUE;
2022
2023         /* Get selected folder as parent of new folder to create */
2024         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2025         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2026                 /* If it's the local account and its transfering folders, then do not dim */
2027                 if (TNY_IS_ACCOUNT (parent_folder)) {
2028                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2029                         if (for_paste) {
2030                                 clipboard = modest_runtime_get_email_clipboard ();
2031                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2032                         }
2033                 }
2034
2035                 if (for_paste)
2036                         result = !(is_local_acc && xfer_folders);
2037                 else
2038                         result = !is_local_acc;
2039                 goto frees;
2040         }
2041
2042         /* Check dimmed rule */
2043         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2044         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2045
2046         /* free */
2047  frees:
2048         if (parent_folder != NULL)
2049                 g_object_unref (parent_folder);
2050
2051         return result;
2052 }
2053
2054 static gboolean
2055 _selected_folder_not_deletable (ModestMainWindow *win)
2056 {
2057         GtkWidget *folder_view = NULL;
2058         TnyFolderStore *parent_folder = NULL;
2059         ModestTnyFolderRules rules;
2060         gboolean result = FALSE;
2061
2062         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2063
2064         /* Get folder view */
2065         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2066                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2067         /* If no folder view, always dimmed */
2068         if (!folder_view)
2069                 return TRUE;
2070
2071         /* Get selected folder as parent of new folder to create */
2072         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2073         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2074                 result = TRUE;
2075                 goto frees;
2076         }
2077
2078         /* Check dimmed rule */
2079         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2080         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2081
2082         /* free */
2083  frees:
2084         if (parent_folder != NULL)
2085                 g_object_unref (parent_folder);
2086
2087         return result;
2088 }
2089
2090 static gboolean
2091 _selected_folder_not_moveable (ModestMainWindow *win)
2092 {
2093         GtkWidget *folder_view = NULL;
2094         TnyFolderStore *parent_folder = NULL;
2095         ModestTnyFolderRules rules;
2096         gboolean result = FALSE;
2097
2098         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2099
2100         /* Get folder view */
2101         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2102                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2103         /* If no folder view, always dimmed */
2104         if (!folder_view)
2105                 return TRUE;
2106
2107         /* Get selected folder as parent of new folder to create */
2108         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2109         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2110                 result = TRUE;
2111                 goto frees;
2112         }
2113
2114         /* Check dimmed rule */
2115         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2116         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2117
2118         /* free */
2119  frees:
2120         if (parent_folder != NULL)
2121                 g_object_unref (parent_folder);
2122
2123         return result;
2124 }
2125
2126 static gboolean
2127 _selected_folder_not_renameable (ModestMainWindow *win)
2128 {
2129         GtkWidget *folder_view = NULL;
2130         TnyFolderStore *parent_folder = NULL;
2131         ModestTnyFolderRules rules;
2132         gboolean result = FALSE;
2133
2134         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2135
2136         /* Get folder view */
2137         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2138                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2139         /* If no folder view, always dimmed */
2140         if (!folder_view)
2141                 return TRUE;
2142
2143         /* Get selected folder as parent of new folder to create */
2144         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2145         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2146                 result = TRUE;
2147                 goto frees;
2148         }
2149
2150         /* Check dimmed rule */
2151         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2152         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2153
2154         /* free */
2155  frees:
2156         if (parent_folder != NULL)
2157                 g_object_unref (parent_folder);
2158
2159         return result;
2160 }
2161
2162 static gboolean
2163 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2164 {
2165         TnyFolderType types[2];
2166         gboolean result = FALSE;
2167
2168         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2169
2170         types[0] = TNY_FOLDER_TYPE_ROOT;
2171         types[1] = TNY_FOLDER_TYPE_INBOX;
2172
2173         /* Check folder type */
2174         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2175
2176         /* Check pop and MMC accounts */
2177         if (!result) {
2178                 result = _selected_folder_is_root (win);
2179         }
2180
2181         return result;
2182 }
2183
2184
2185 static gboolean
2186 _selected_folder_is_root (ModestMainWindow *win)
2187 {
2188         TnyFolderType types[1];
2189         gboolean result = FALSE;
2190
2191         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2192
2193         /* All accounts are root items: */
2194         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2195                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2196         if (folder_view) {
2197                 gboolean is_account = FALSE;
2198                 TnyFolderStore *folder_store =
2199                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2200                 if (folder_store) {
2201                         is_account = TNY_IS_ACCOUNT (folder_store);
2202
2203                         g_object_unref (folder_store);
2204                         folder_store = NULL;
2205                 }
2206
2207                 if (is_account)
2208                         return TRUE;
2209         }
2210
2211         /* Try something more precise: */
2212         types[0] = TNY_FOLDER_TYPE_ROOT;
2213
2214         /* Check folder type */
2215         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2216
2217         return result;
2218 }
2219
2220 static gboolean
2221 _header_view_is_all_selected (ModestMainWindow *win)
2222 {
2223         const DimmedState *state = NULL;
2224
2225         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2226
2227         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2228
2229         return state->all_selected;
2230 }
2231
2232 static gboolean
2233 _selected_folder_is_empty (ModestMainWindow *win)
2234 {
2235         GtkWidget *folder_view = NULL, *header_view = NULL;
2236         TnyFolderStore *folder = NULL;
2237         gboolean result = FALSE;
2238
2239         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2240
2241         /* Get folder view */
2242         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2243                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2244
2245         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2246                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2247
2248         /* If no folder view, always dimmed */
2249         if (!folder_view || !header_view)
2250                 return TRUE;
2251
2252         /* Get selected folder as parent of new folder to create */
2253         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2254         if (!(folder && TNY_IS_FOLDER(folder))) {
2255                 if (folder)
2256                         g_object_unref (folder);
2257                 return TRUE;
2258         }
2259
2260         /* Check folder type */
2261         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2262             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2263                 result = TRUE;
2264
2265         /* free */
2266         g_object_unref (folder);
2267
2268         return result;
2269 }
2270
2271 static gboolean
2272 _folder_view_has_focus (ModestWindow *win)
2273 {
2274         GtkWidget *folder_view = NULL;
2275
2276         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2277
2278         /* Get folder view */
2279         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2280                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2281         if (!folder_view)
2282                 return FALSE;
2283
2284         if (gtk_widget_is_focus(folder_view))
2285                 return TRUE;
2286
2287         return FALSE;
2288 }
2289
2290 static gboolean
2291 _selected_folder_is_same_as_source (ModestWindow *win)
2292 {
2293         ModestEmailClipboard *clipboard = NULL;
2294         GtkWidget *folder_view = NULL;
2295         TnyFolderStore *folder = NULL;
2296         gboolean result = FALSE;
2297
2298         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2299
2300         /* Get folder view */
2301         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2302                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2303         if (!folder_view)
2304                 return FALSE;
2305
2306         /* Get selected folder as destination folder */
2307         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2308         if (!(folder && TNY_IS_FOLDER(folder))) {
2309                 result = FALSE;
2310                 goto frees;
2311         }
2312
2313         /* Check clipboard is cleared */
2314         clipboard = modest_runtime_get_email_clipboard ();
2315         if (modest_email_clipboard_cleared (clipboard)) {
2316                 result = FALSE;
2317                 goto frees;
2318         }
2319
2320         /* Check source folder */
2321         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2322
2323         /* Free */
2324  frees:
2325         g_object_unref (folder);
2326
2327         return result;
2328 }
2329
2330 static gboolean
2331 _selected_folder_is_any_of_type (ModestWindow *win,
2332                                  TnyFolderType types[],
2333                                  guint ntypes)
2334 {
2335         GtkWidget *folder_view = NULL;
2336         TnyFolderStore *folder = NULL;
2337         TnyFolderType folder_type;
2338         guint i=0;
2339         gboolean result = FALSE;
2340
2341         /*Get current folder */
2342         if (MODEST_IS_MAIN_WINDOW(win)) {
2343
2344                 /* Get folder view */
2345                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2346                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2347                 /* If no folder view, always dimmed */
2348                 if (!folder_view)
2349                         return FALSE;
2350
2351                 /* Get selected folder as parent of new folder to create */
2352                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2353
2354                 if (!(folder && TNY_IS_FOLDER(folder))) {
2355                         if (folder)
2356                                 g_object_unref (folder);
2357                         return FALSE;
2358                 }
2359
2360                 /* Check folder type */
2361                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2362         }
2363         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2364                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2365                 for (i=0; i < ntypes; i++) {
2366                         result = result || folder_type == types[i];
2367                 }
2368         }
2369
2370
2371         /* free */
2372         if (folder)
2373                 g_object_unref (folder);
2374
2375         return result;
2376 }
2377
2378 static gboolean
2379 _folder_is_any_of_type (TnyFolder *folder,
2380                         TnyFolderType types[],
2381                         guint ntypes)
2382 {
2383         TnyFolderType folder_type;
2384         gboolean result = FALSE;
2385         guint i;
2386
2387         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2388
2389         /* Get folder type */
2390         folder_type = modest_tny_folder_guess_folder_type (folder);
2391         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2392                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2393
2394         /* Check foler type */
2395         for (i=0; i < ntypes; i++) {
2396                 result = result || folder_type == types[i];
2397         }
2398
2399         return result;
2400 }
2401
2402 static gboolean
2403 _clipboard_is_empty (ModestWindow *win)
2404 {
2405         gboolean result = FALSE;
2406
2407         if (MODEST_IS_MAIN_WINDOW (win)) {
2408                 ModestEmailClipboard *clipboard = NULL;
2409                 clipboard = modest_runtime_get_email_clipboard ();
2410                 if (modest_email_clipboard_cleared (clipboard))
2411                  result = TRUE;
2412         }
2413
2414         return result;
2415 }
2416
2417 static gboolean
2418 _invalid_clipboard_selected (ModestWindow *win,
2419                              ModestDimmingRule *rule)
2420 {
2421         const DimmedState *state = NULL;
2422         gboolean result = FALSE;
2423         GtkWidget *focused = NULL;
2424
2425         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2426         state = modest_window_get_dimming_state (win);
2427         /* Get focuesed widget */
2428         focused = gtk_window_get_focus (GTK_WINDOW (win));
2429
2430         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2431                 gboolean has_selection = FALSE;
2432                 if (GTK_IS_TEXT_VIEW (focused)) {
2433                         GtkTextBuffer *buffer = NULL;
2434                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2435                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2436                 } else if (GTK_IS_EDITABLE (focused)) {
2437                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2438                 }
2439                 result = !has_selection;
2440         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2441                 if (focused) {
2442                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2443                         if (GTK_IS_LABEL (focused) &&
2444                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2445                                 result = TRUE;
2446                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2447                                 GtkTextBuffer *buffer;
2448                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2449                                 result = !gtk_text_buffer_get_has_selection (buffer);
2450                         } else if (GTK_IS_HTML (focused)) {
2451                                 const gchar *sel;
2452                                 int len = -1;
2453                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2454                                 result = ((sel == NULL) || (sel[0] == '\0'));
2455                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2456                                 result = TRUE;
2457                         } else {
2458                                 GtkClipboard *clipboard;
2459                                 gchar *selection;
2460
2461                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2462                                 /* Get clipboard selection*/
2463                                 selection = gtk_clipboard_wait_for_text (clipboard);
2464                                 /* Check dimming */
2465                                 result = (selection == NULL);
2466                                 g_free (selection);
2467                         }
2468                 } else {
2469                         result = TRUE;
2470                 }
2471
2472                 if (result)
2473                         modest_dimming_rule_set_notification (rule, "");
2474
2475         }
2476         else if (MODEST_IS_MAIN_WINDOW (win)) {
2477                 /* Check dimming */
2478                 result = state->n_selected == 0;
2479                 if (result)
2480                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2481         }
2482
2483         return result;
2484 }
2485
2486
2487 static gboolean
2488 _invalid_attach_selected (ModestWindow *win,
2489                           gboolean unique,
2490                           gboolean for_view,
2491                           gboolean for_remove,
2492                           ModestDimmingRule *rule)
2493 {
2494         TnyList *attachments;
2495         gint n_selected;
2496         TnyHeaderFlags flags;
2497         gboolean nested_attachments = FALSE;
2498         gboolean selected_messages = FALSE;
2499         const DimmedState *state = NULL;
2500         gboolean result = FALSE;
2501
2502         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2503         state = modest_window_get_dimming_state (win);
2504
2505         if (MODEST_IS_MAIN_WINDOW (win)) {
2506                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2507                 if (!result)
2508                         result = !state->any_has_attachments;
2509         }
2510         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2511
2512                 /* Get selected atachments */
2513                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2514                 n_selected = tny_list_get_length (attachments);
2515
2516                 /* Check unique */
2517                 if (!result) {
2518                         if (unique)
2519                                 result = n_selected != 1;
2520                         else
2521
2522                                 result = n_selected < 1;
2523                 }
2524
2525                 /* Check attached type (view operation not required) */
2526                 if (!result && !for_view)  {
2527                         TnyIterator *iter;
2528                         iter = tny_list_create_iterator (attachments);
2529                         while (!tny_iterator_is_done (iter) && !result) {
2530                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2531                                 TnyList *nested_list = tny_simple_list_new ();
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                                                 result = TRUE;
2539                                         }
2540                                         g_object_unref (window_msg);
2541                                 }
2542                                 tny_mime_part_get_parts (mime_part, nested_list);
2543                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2544                                         nested_attachments = TRUE;
2545                                         result = TRUE;
2546                                 }
2547                                 g_object_unref (nested_list);
2548                                 g_object_unref (mime_part);
2549                                 tny_iterator_next (iter);
2550                         }
2551                         g_object_unref (iter);
2552                 }
2553
2554                 /* Set notifications */
2555                 if (result && rule != NULL) {
2556                         if (selected_messages) {
2557                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2558                         } else if (nested_attachments) {
2559                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2560                         } else if (n_selected == 0) {
2561                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2562                         } else if (unique) {
2563                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2564                         }
2565                 }
2566
2567                 /* Free */
2568                 g_object_unref (attachments);
2569         }
2570
2571         return result;
2572 }
2573
2574 static gboolean
2575 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2576 {
2577         TnyList *attachments = NULL;
2578         TnyIterator *iter;
2579         gint purged = 0;
2580         gint n_attachments = 0;
2581         gboolean result = FALSE;
2582
2583         /* This should check if _all_ the attachments are already purged. If only some
2584          * of them are purged, then it does not cause dim as there's a confirmation dialog
2585          * for removing only local attachments */
2586
2587         /* Get selected atachments */
2588         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2589                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2590         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2591                 /* If we're in main window, we won't know if there are already purged attachments */
2592                 return FALSE;
2593         }
2594
2595         if (attachments == NULL)
2596                 return FALSE;
2597
2598         if (tny_list_get_length (attachments) == 0) {
2599                 g_object_unref (attachments);
2600                 return FALSE;
2601         }
2602
2603         iter = tny_list_create_iterator (attachments);
2604         while (!tny_iterator_is_done (iter)) {
2605                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2606                 if (tny_mime_part_is_purged (mime_part)) {
2607                         purged++;
2608                 }
2609                 n_attachments++;
2610                 g_object_unref (mime_part);
2611                 tny_iterator_next (iter);
2612         }
2613         g_object_unref (iter);
2614
2615         /* Free */
2616         g_object_unref (attachments);
2617
2618         if (all)
2619                 result = (purged == n_attachments);
2620         else
2621                 result = (purged > 0);
2622
2623         /* This string no longer exists, refer to NB#75415 for more info
2624         if (result && (rule != NULL))
2625                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2626         */
2627
2628         return result;
2629 }
2630
2631 static gboolean
2632 _invalid_msg_selected (ModestMainWindow *win,
2633                        gboolean unique,
2634                        ModestDimmingRule *rule)
2635 {
2636         GtkWidget *folder_view = NULL;
2637         const DimmedState *state = NULL;
2638         gboolean result = FALSE;
2639
2640         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2641         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2642         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2643
2644         /* Get folder view to check focus */
2645         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2646                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2647
2648         /* Check dimmed rule (TODO: check focus on widgets */
2649         if (!result) {
2650                 result = ((state->n_selected == 0 ) ||
2651                           (gtk_widget_is_focus (folder_view)));
2652                 if (result)
2653                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2654         }
2655         if (!result && unique) {
2656                 result = state->n_selected > 1;
2657                 if (result)
2658                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2659         }
2660
2661         return result;
2662 }
2663
2664
2665 static gboolean
2666 _msg_download_in_progress (ModestWindow *win)
2667 {
2668         gboolean result = FALSE;
2669
2670         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2671
2672         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2673                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2674         }
2675         else if (MODEST_IS_MAIN_WINDOW (win)) {
2676                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2677         }
2678
2679         return result;
2680 }
2681
2682 static gboolean
2683 _msg_download_completed (ModestMainWindow *win)
2684 {
2685         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2686         return state->any_marked_as_cached;
2687 }
2688
2689 static void
2690 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2691 {
2692         GSList **send_queues = (GSList **) userdata;
2693         *send_queues = g_slist_prepend (*send_queues, value);
2694 }
2695
2696 static gboolean
2697 _selected_msg_sent_in_progress (ModestWindow *win)
2698 {
2699         const DimmedState *state = modest_window_get_dimming_state (win);
2700         return state->sent_in_progress;
2701 }
2702
2703
2704 static gboolean
2705 _invalid_folder_for_purge (ModestWindow *win,
2706                            ModestDimmingRule *rule)
2707 {
2708         TnyFolder *folder = NULL;
2709         TnyAccount *account = NULL;
2710         gboolean result = FALSE;
2711
2712         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2713
2714                 /* Get folder and account of message */
2715                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2716                 g_return_val_if_fail(msg != NULL, TRUE);
2717                 folder = tny_msg_get_folder (msg);
2718                 g_object_unref (msg);
2719                 if (folder == NULL) {
2720                         result = TRUE;
2721                         goto frees;
2722                 }
2723         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2724                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2725                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2726                 if (!folder_view)
2727                         return FALSE;
2728                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2729                 /* Could be a folder store */
2730                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2731                         goto frees;
2732         } else {
2733                 g_return_val_if_reached (FALSE);
2734         }
2735         account = modest_tny_folder_get_account (folder);
2736         if (account == NULL) goto frees;
2737
2738         /* Check account */
2739         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2740                 TnyFolderType types[2];
2741                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2742                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2743
2744                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2745                         result = TRUE;
2746                 }
2747         } else {
2748                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2749                 /* If it's a remote folder then dim */
2750                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2751                                                                     protocol_type,
2752                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2753                         result = TRUE;
2754                 }
2755         }
2756
2757 frees:
2758         if (folder != NULL)
2759                 g_object_unref (folder);
2760         if (account != NULL)
2761                 g_object_unref (account);
2762
2763         return result;
2764 }
2765
2766 static gboolean
2767 _transfer_mode_enabled (ModestWindow *win)
2768 {
2769         gboolean result = FALSE;
2770
2771         /* Check dimming */
2772         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2773                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2774         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2775                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2776 #ifdef MODEST_TOOLKIT_HILDON2
2777         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2778                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2779 #endif
2780         } else {
2781                 g_warning("_transfer_mode_enabled called with wrong window type");
2782         }
2783
2784         return result;
2785 }
2786
2787 static gboolean
2788 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2789 {
2790         GtkWidget *folder_view = NULL;
2791         TnyFolderStore *folder = NULL;
2792         ModestEmailClipboard *clipboard = NULL;
2793         const gchar *folder_name = NULL;
2794         gboolean result = FALSE;
2795
2796         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2797
2798         /*Get current parent folder */
2799         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2800                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2801         /* If no folder view, always dimmed */
2802         if (!folder_view) return FALSE;
2803
2804         /* Get selected folder as parent of new folder to create */
2805         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2806         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2807
2808         /* get modest clipboard and source folder */
2809         clipboard = modest_runtime_get_email_clipboard ();
2810         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2811         if (folder_name == NULL) goto frees;
2812
2813         /* Check source subfolders names */
2814         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2815                                                             TRUE);
2816
2817         /* Free */
2818  frees:
2819         if (folder != NULL)
2820                 g_object_unref (folder);
2821
2822
2823         return result;
2824 }
2825
2826 gboolean
2827 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2828                                            gpointer user_data)
2829 {
2830         ModestDimmingRule *rule = NULL;
2831
2832         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2833         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2834         rule = MODEST_DIMMING_RULE (user_data);
2835
2836         /* Check dimmed rule */
2837         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2838 }
2839
2840 gboolean
2841 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2842                                          gpointer user_data)
2843 {
2844         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2845
2846         ModestMsgEditFormat format =
2847           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2848
2849         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2850 }
2851
2852 static gboolean
2853 _send_receive_in_progress (ModestWindow *win)
2854 {
2855         ModestMailOperationQueue *queue;
2856         GSList *op_list, *node;
2857         gboolean found_send_receive;
2858
2859         queue = modest_runtime_get_mail_operation_queue ();
2860         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
2861
2862         found_send_receive = FALSE;
2863         for (node = op_list; node != NULL; node = g_slist_next (node)) {
2864                 ModestMailOperation *op;
2865
2866                 op = (ModestMailOperation *) node->data;
2867                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
2868                         found_send_receive = TRUE;
2869                         break;
2870                 }
2871         }
2872
2873         g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
2874         g_slist_free (op_list);
2875
2876         return found_send_receive;
2877 }
2878
2879 static gboolean
2880 _msgs_send_in_progress (void)
2881 {
2882         ModestCacheMgr *cache_mgr;
2883         GHashTable *send_queue_cache;
2884         ModestTnySendQueue *send_queue;
2885         GSList *send_queues = NULL, *node = NULL;
2886         gboolean found = FALSE;
2887
2888         cache_mgr = modest_runtime_get_cache_mgr ();
2889         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2890                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2891
2892         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2893
2894         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
2895                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2896
2897                 /* Check if msg uid is being processed inside send queue */
2898                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
2899                         found = TRUE;
2900                         break;
2901                 }
2902         }
2903
2904         g_slist_free (send_queues);
2905
2906         return found;
2907 }