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                 dimmed = _msg_download_in_progress (win);
 349                 if (dimmed)
 350                         modest_dimming_rule_set_notification (rule, "");
 351         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 352                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 353                                                           TRUE);
 354                 if (dimmed)
 355                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 356         }
 357
 358         return dimmed;
 359 }
 360
 361 gboolean
 362 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 363 {
 364         ModestDimmingRule *rule = NULL;
 365         GtkWidget *folder_view = NULL;
 366         TnyFolderStore *parent_folder = NULL;
 367         gboolean dimmed = FALSE;
 368
 369         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 370         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 371         rule = MODEST_DIMMING_RULE (user_data);
 372
 373         dimmed = _transfer_mode_enabled (win);
 374         if (dimmed) {
 375                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 376                 return dimmed;
 377         }
 378
 379         /* Get selected folder as parent of new folder to create */
 380         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 381                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 382         if (!folder_view) /* folder view may not have been created yet */
 383                 return TRUE;
 384
 385         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 386         if (!parent_folder)
 387                 return TRUE;
 388
 389         if (TNY_IS_ACCOUNT (parent_folder)) {
 390                 /* If it's the local account then do not dim */
 391                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 392                         dimmed = FALSE;
 393                 } else {
 394                         ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (parent_folder));
 395                         if (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID) {
 396                                 ModestProtocolRegistry *protocol_registry;
 397
 398                                 protocol_registry = modest_runtime_get_protocol_registry ();
 399                                 /* If account does not support folders (pop) then dim */
 400                                 dimmed = (!modest_protocol_registry_protocol_type_has_tag (protocol_registry, protocol_type,
 401                                                                                            MODEST_PROTOCOL_REGISTRY_STORE_HAS_FOLDERS));
 402                                 if (dimmed)
 403                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 404                         }
 405                 }
 406         } else {
 407                 TnyFolderType types[3];
 408
 409                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 410                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 411                 types[2] = TNY_FOLDER_TYPE_SENT;
 412
 413                 /* Apply folder rules */
 414                 if (!dimmed) {
 415                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 416                         if (dimmed)
 417                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 418                 }
 419                 if (!dimmed) {
 420                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 421                         if (dimmed)
 422                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 423                 }
 424         }
 425
 426         /* if not the folder is selected then dim */
 427         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 428                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 429         if (folder_view && !gtk_widget_is_focus (folder_view))
 430                 dimmed = TRUE;
 431
 432         g_object_unref (parent_folder);
 433
 434         return dimmed;
 435 }
 436
 437 gboolean
 438 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 439 {
 440         ModestDimmingRule *rule = NULL;
 441         GtkWidget *folder_view = NULL;
 442         GtkWidget *header_view = NULL;
 443         gboolean dimmed = FALSE;
 444
 445         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 446         rule = MODEST_DIMMING_RULE (user_data);
 447
 448         if (MODEST_IS_MAIN_WINDOW (win)) {
 449                 /* Get the folder view */
 450                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 451                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 452
 453                 /* Get header view */
 454                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 455                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 456
 457                 if (header_view && gtk_widget_is_focus (header_view))
 458                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 459
 460                 if (folder_view && gtk_widget_is_focus (folder_view))
 461                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 462
 463                 if (header_view && folder_view &&
 464                     !gtk_widget_is_focus (header_view) &&
 465                     !gtk_widget_is_focus (folder_view)) {
 466                         dimmed = TRUE;
 467                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 468                 }
 469
 470 #ifdef MODEST_TOOLKIT_HILDON2
 471         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 472
 473                 if (!dimmed) {
 474                         dimmed = _transfer_mode_enabled (win);
 475                 }
 476                 if (dimmed)
 477                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 478
 479                 if (!dimmed) {
 480                         GtkWidget *header_view;
 481                         TnyFolder *folder;
 482
 483                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 484                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 485                         if (folder) {
 486                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
 487                                 g_object_unref (folder);
 488                         }
 489                 }
 490
 491 #endif
 492         } else {
 493                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 494         }
 495
 496         return dimmed;
 497 }
 498
 499
 500
 501 gboolean
 502 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 503 {
 504         ModestDimmingRule *rule = NULL;
 505         TnyFolderType types[6];
 506         gboolean dimmed = FALSE;
 507
 508         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 509         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 510         rule = MODEST_DIMMING_RULE (user_data);
 511
 512         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 513         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 514         types[2] = TNY_FOLDER_TYPE_SENT;
 515         types[3] = TNY_FOLDER_TYPE_INBOX;
 516         types[4] = TNY_FOLDER_TYPE_ROOT;
 517         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 518
 519
 520         /* Check dimmed rule */
 521         dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 522         if (dimmed)
 523                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 524         if (!dimmed) {
 525                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 526                 if (dimmed)
 527                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 528         }
 529         if (!dimmed) {
 530                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 531                 if (dimmed)
 532                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 533         }
 534         if (!dimmed) {
 535                 dimmed = _transfer_mode_enabled (win);
 536                 if (dimmed)
 537                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 538         }
 539
 540         return dimmed;
 541 }
 542
 543 gboolean
 544 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 545 {
 546         ModestDimmingRule *rule = NULL;
 547         gboolean dimmed = FALSE;
 548
 549 #ifdef MODEST_TOOLKIT_HILDON2
 550         if (MODEST_IS_HEADER_WINDOW (win)) {
 551                 return FALSE;
 552         }
 553 #endif
 554
 555         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 556         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 557         rule = MODEST_DIMMING_RULE (user_data);
 558
 559         /* Check dimmed rule */
 560         dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 561
 562         if (!dimmed)
 563                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 564
 565         return dimmed;
 566
 567 }
 568
 569 gboolean
 570 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 571 {
 572         ModestDimmingRule *rule = NULL;
 573         TnyFolderType types[4];
 574         gboolean dimmed = FALSE;
 575
 576         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 577         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 578         rule = MODEST_DIMMING_RULE (user_data);
 579
 580         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 581         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 582         types[2] = TNY_FOLDER_TYPE_SENT;
 583         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 584
 585         /* Check dimmed rule */
 586         dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 587         if (dimmed)
 588                 modest_dimming_rule_set_notification (rule, "");
 589         if (!dimmed) {
 590                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 591                 if (dimmed)
 592                         modest_dimming_rule_set_notification (rule, "");
 593         }
 594         if (!dimmed) {
 595                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 596                 if (dimmed)
 597                         modest_dimming_rule_set_notification (rule, "");
 598         }
 599         if (!dimmed) {
 600                 dimmed = _transfer_mode_enabled (win);
 601                 if (dimmed)
 602                         modest_dimming_rule_set_notification (rule, "");
 603         }
 604
 605         return dimmed;
 606 }
 607
 608 gboolean
 609 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 610 {
 611         ModestDimmingRule *rule = NULL;
 612         gboolean dimmed = FALSE;
 613         const DimmedState *state = NULL;
 614
 615         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 616         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 617         rule = MODEST_DIMMING_RULE (user_data);
 618         state = modest_window_get_dimming_state (win);
 619
 620         /* Check dimmed rule */
 621         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 622         if (!dimmed) {
 623                 dimmed = state->any_marked_as_deleted;
 624                 if (dimmed) {
 625                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 626                         modest_dimming_rule_set_notification (rule, msg);
 627                         g_free (msg);
 628                 }
 629         }
 630         if (!dimmed) {
 631                 dimmed = _selected_msg_sent_in_progress (win);
 632                 if (dimmed)
 633                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 634         }
 635
 636         return dimmed;
 637 }
 638
 639 gboolean
 640 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 641 {
 642         ModestDimmingRule *rule = NULL;
 643         gboolean dimmed = FALSE;
 644         TnyFolderType types[3];
 645
 646         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 647         rule = MODEST_DIMMING_RULE (user_data);
 648
 649         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 650         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 651         types[2] = TNY_FOLDER_TYPE_ROOT;
 652
 653         /* Check dimmed rule */
 654         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 655         if (dimmed)
 656                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 657
 658         /* main window dimming rules */
 659         if (MODEST_IS_MAIN_WINDOW(win)) {
 660
 661                 if (!dimmed) {
 662                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 663                         if (dimmed)
 664                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 665                 }
 666                 if (!dimmed) {
 667                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 668                 }
 669         /* msg view window dimming rules */
 670         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 671
 672                 /* Check dimmed rule */
 673                 if (!dimmed) {
 674                         dimmed = _transfer_mode_enabled (win);
 675                         if (dimmed)
 676                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 677                 }
 678                 if (!dimmed) {
 679                         dimmed = _msg_download_in_progress (win);
 680                         if (dimmed)
 681                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 682                 }
 683         }
 684
 685         return dimmed;
 686 }
 687
 688
 689 gboolean
 690 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 691 {
 692         ModestDimmingRule *rule = NULL;
 693         gboolean dimmed = FALSE;
 694
 695         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 696         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 697         rule = MODEST_DIMMING_RULE (user_data);
 698
 699         /* Check dimmed rule */
 700         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 701         if (!dimmed) {
 702                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 703                 if (dimmed)
 704                         modest_dimming_rule_set_notification (rule, "");
 705         }
 706
 707         return dimmed;
 708 }
 709
 710 gboolean
 711 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 712 {
 713         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 714
 715         return TRUE;
 716 }
 717
 718 static gboolean
 719 _message_already_sent (ModestMsgViewWindow *view_window)
 720 {
 721         TnyHeader *header;
 722         TnyFolder *folder;
 723         gboolean already_sent = FALSE;
 724
 725         header = modest_msg_view_window_get_header (view_window);
 726         if (header) {
 727                 folder = tny_header_get_folder (header);
 728                 if (folder) {
 729                         if (modest_tny_folder_guess_folder_type (folder) ==
 730                             TNY_FOLDER_TYPE_OUTBOX) {
 731                                 ModestTnySendQueueStatus status =
 732                                         modest_tny_all_send_queues_get_msg_status (header);
 733                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 734                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 735                                         already_sent = TRUE;
 736                         }
 737                         g_object_unref (folder);
 738                 }
 739                 g_object_unref (header);
 740         }
 741         return already_sent;
 742 }
 743
 744
 745 gboolean
 746 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 747 {
 748         ModestDimmingRule *rule = NULL;
 749         const DimmedState *state = NULL;
 750         gboolean dimmed = FALSE;
 751
 752         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 753         rule = MODEST_DIMMING_RULE (user_data);
 754         state = modest_window_get_dimming_state (win);
 755
 756         /* Check dimmed rule */
 757         if (MODEST_IS_MAIN_WINDOW (win)) {
 758                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 759                 if (dimmed)
 760                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 761                 if (!dimmed) {
 762                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 763                 }
 764                 if (!dimmed) {
 765                         dimmed = state->sent_in_progress;
 766                         if (dimmed)
 767                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 768                 }
 769                 if (!dimmed) {
 770                         dimmed = state->any_marked_as_deleted;
 771                         if (dimmed) {
 772                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 773                                 modest_dimming_rule_set_notification (rule, msg);
 774                                 g_free (msg);
 775                         }
 776                 }
 777                 if (!dimmed) {
 778                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 779                         if (dimmed) {
 780                                 gchar *message = NULL;
 781
 782                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"),
 783                                                           state->already_opened_msg);
 784                                 modest_dimming_rule_set_notification (rule, message);
 785                                 g_free(message);
 786                         }
 787
 788                 }
 789         }
 790         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 791                 dimmed = _transfer_mode_enabled (win);
 792                 if (dimmed)
 793                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 794                 if (!dimmed) {
 795                         dimmed = state->any_marked_as_deleted;
 796                         if (dimmed) {
 797                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 798                                 modest_dimming_rule_set_notification (rule, msg);
 799                                 g_free (msg);
 800                         }
 801                 }
 802                 if (!dimmed) {
 803                         dimmed = state->sent_in_progress;
 804                         if (dimmed)
 805                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 806                 }
 807
 808                 /* This could happen if we're viewing a message of the
 809                    outbox that has been already sent */
 810                 if (!dimmed)
 811                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 812
 813                 /* The delete button should be dimmed when viewing an attachment,
 814                  * but should be enabled when viewing a message from the list,
 815                  * or when viewing a search result.
 816                  */
 817                 if (!dimmed) {
 818                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 819                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 820                                 if (dimmed) {
 821                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 822                                 }
 823                         }
 824                 }
 825         }
 826
 827         return dimmed;
 828 }
 829
 830 gboolean
 831 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 832 {
 833         ModestDimmingRule *rule = NULL;
 834         GtkWidget *header_view = NULL;
 835         gboolean dimmed = FALSE;
 836
 837         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 838         rule = MODEST_DIMMING_RULE (user_data);
 839
 840         /* main window dimming rules */
 841         if (MODEST_IS_MAIN_WINDOW(win)) {
 842
 843                 /* Check dimmed rule */
 844                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 845                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 846
 847                 /* If the header view has the focus: */
 848                 if (header_view && gtk_widget_is_focus (header_view)) {
 849                         /* Check dimmed rule */
 850                         if (!dimmed)
 851                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 852                 }
 853                 else {
 854                         /* If the folder view has the focus: */
 855                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 856                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 857                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 858                                 TnyFolderStore *folder_store
 859                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 860                                 if (folder_store) {
 861                                         /* Only enable for folders, not accounts,
 862                                          * though the UI spec is not clear about that.
 863                                          * If we enable this for accounts then we must
 864                                          * add code to handle them in modest_ui_actions_on_details(). */
 865                                         if (!TNY_IS_FOLDER(folder_store)) {
 866                                                 dimmed = TRUE;
 867                                                 modest_dimming_rule_set_notification (rule, "");
 868                                         }
 869
 870                                         g_object_unref (folder_store);
 871                                 } else {
 872                                         dimmed = TRUE;
 873                                         modest_dimming_rule_set_notification (rule, "");
 874                                 }
 875                                 if (!dimmed) {
 876                                         dimmed = _msg_download_in_progress (win);
 877                                         if (dimmed)
 878                                                 modest_dimming_rule_set_notification (rule, "");
 879                                 }
 880
 881                         } else {
 882                                 return TRUE;
 883                         }
 884                 }
 885
 886         /* msg view window dimming rules */
 887         } else {
 888                 /* Check dimmed rule */
 889                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 890                         dimmed = _msg_download_in_progress (win);
 891                 if (dimmed)
 892                         modest_dimming_rule_set_notification (rule, "");
 893                 if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 894                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 895                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 896                         }
 897                         if (dimmed)
 898                                 modest_dimming_rule_set_notification (rule, "");
 899                 }
 900         }
 901
 902         return dimmed;
 903 }
 904
 905
 906 gboolean
 907 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 908 {
 909         ModestDimmingRule *rule = NULL;
 910         TnyHeader *header;
 911         TnyHeaderFlags flags;
 912         gboolean dimmed = FALSE;
 913
 914
 915         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 916         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 917         rule = MODEST_DIMMING_RULE (user_data);
 918
 919         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 920         if (!header) {
 921                 dimmed = TRUE;
 922         }
 923
 924         if (!dimmed) {
 925                 flags = tny_header_get_flags (header);
 926                 if (flags & TNY_HEADER_FLAG_SEEN)
 927                         dimmed = TRUE;
 928         }
 929
 930         if (header)
 931                 g_object_unref (header);
 932         return dimmed;
 933 }
 934
 935
 936 gboolean
 937 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 938 {
 939         ModestDimmingRule *rule = NULL;
 940         TnyHeader *header;
 941         TnyHeaderFlags flags;
 942         gboolean dimmed = FALSE;
 943
 944
 945         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 946         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 947         rule = MODEST_DIMMING_RULE (user_data);
 948
 949         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 950         if (!header) {
 951                 dimmed = TRUE;
 952         }
 953
 954         if (!dimmed) {
 955                 flags = tny_header_get_flags (header);
 956                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 957                         dimmed = TRUE;
 958         }
 959
 960         if (header)
 961                 g_object_unref (header);
 962         return dimmed;
 963 }
 964
 965 gboolean
 966 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 967 {
 968         ModestDimmingRule *rule = NULL;
 969         TnyHeaderFlags flags;
 970         const DimmedState *state = NULL;
 971         gboolean dimmed = FALSE;
 972
 973         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 974         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 975         rule = MODEST_DIMMING_RULE (user_data);
 976         state = modest_window_get_dimming_state (win);
 977
 978         flags = TNY_HEADER_FLAG_SEEN;
 979
 980         /* Check dimmed rule */
 981         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 982         if (!dimmed) {
 983                 dimmed = state->all_marked_as_seen;
 984                 if (dimmed)
 985                         modest_dimming_rule_set_notification (rule, "");
 986         }
 987
 988         return dimmed;
 989 }
 990
 991 gboolean
 992 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 993 {
 994         ModestDimmingRule *rule = NULL;
 995         TnyHeaderFlags flags;
 996         const DimmedState *state = NULL;
 997         gboolean dimmed = FALSE;
 998
 999         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1000         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1001         rule = MODEST_DIMMING_RULE (user_data);
1002         state = modest_window_get_dimming_state (win);
1003
1004         flags = TNY_HEADER_FLAG_SEEN;
1005
1006         /* Check dimmed rule */
1007         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1008         if (!dimmed) {
1009                 dimmed = !state->any_marked_as_seen;
1010                 if (dimmed)
1011                         modest_dimming_rule_set_notification (rule, "");
1012         }
1013
1014         return dimmed;
1015 }
1016
1017 gboolean
1018 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
1019 {
1020         ModestDimmingRule *rule = NULL;
1021         gboolean dimmed = FALSE;
1022
1023         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1024         rule = MODEST_DIMMING_RULE (user_data);
1025
1026         if (MODEST_IS_MAIN_WINDOW (win))
1027                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
1028 #ifdef MODEST_TOOLKIT_HILDON2
1029         else if (MODEST_IS_HEADER_WINDOW (win))
1030                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
1031 #endif
1032         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
1033                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
1034
1035         return dimmed;
1036 }
1037
1038
1039 gboolean
1040 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
1041 {
1042         GtkWidget *folder_view = NULL;
1043         ModestDimmingRule *rule = NULL;
1044         const DimmedState *state = NULL;
1045         gboolean dimmed = FALSE;
1046
1047         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1048         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1049         rule = MODEST_DIMMING_RULE (user_data);
1050         state = modest_window_get_dimming_state (win);
1051
1052         /* Get the folder view */
1053         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1054                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1055
1056
1057         /* Check diming rules for folders transfer  */
1058         if (folder_view && gtk_widget_is_focus (folder_view)) {
1059                 TnyFolderType types[5];
1060
1061                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1062                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1063                 types[2] = TNY_FOLDER_TYPE_SENT;
1064                 types[3] = TNY_FOLDER_TYPE_ROOT;
1065                 types[4] = TNY_FOLDER_TYPE_INBOX;
1066
1067                 /* Apply folder rules */
1068                 dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
1069                 if (dimmed)
1070                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1071                 if (!dimmed) {
1072                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
1073                         if (dimmed)
1074                                 modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1075                 }
1076         }
1077
1078         /* Check diming rules for messages transfer  */
1079         if (!dimmed) {
1080                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1081                 if (dimmed) {
1082                         gchar *message = g_strdup_printf(_("emev_nc_unabletomove_items"),
1083                                                          state->already_opened_msg);
1084                         modest_dimming_rule_set_notification (rule, message);
1085                         g_free(message);
1086                 }
1087         }
1088         if (!dimmed) {
1089                 if (!(folder_view && gtk_widget_is_focus (folder_view)))
1090                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1091
1092         }
1093         if (!dimmed) {
1094                 dimmed = _selected_msg_sent_in_progress (win);
1095                 if (dimmed)
1096                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
1097         }
1098
1099         return dimmed;
1100 }
1101
1102 gboolean
1103 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
1104 {
1105         ModestDimmingRule *rule = NULL;
1106         gboolean dimmed = FALSE;
1107
1108         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1109         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1110         rule = MODEST_DIMMING_RULE (user_data);
1111
1112         /* Check dimmed rule */
1113         dimmed = _transfer_mode_enabled (win);
1114         if (dimmed)
1115                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1116         if (!dimmed) {
1117                 dimmed = modest_window_get_dimming_state (win)->any_marked_as_deleted;
1118                 if (dimmed) {
1119                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
1120                         modest_dimming_rule_set_notification (rule, msg);
1121                         g_free (msg);
1122                 }
1123         }
1124
1125         if (!dimmed) {
1126                 dimmed = _selected_msg_sent_in_progress (win);
1127                 if (dimmed)
1128                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1129         }
1130
1131         /* This could happen if we're viewing a message of the outbox
1132            that has been already sent */
1133         if (!dimmed)
1134                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
1135
1136         if (!dimmed) {
1137                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1138                         /* The move_to button should be dimmed when viewing an attachment,
1139                          * but should be enabled when viewing a message from the list,
1140                          * or when viewing a search result.
1141                          */
1142                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1143                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1144                         }
1145                 }
1146
1147                 if (dimmed)
1148                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1149         }
1150
1151         return dimmed;
1152 }
1153
1154 #ifdef MODEST_TOOLKIT_HILDON2
1155 gboolean
1156 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1157 {
1158         ModestDimmingRule *rule = NULL;
1159         gboolean dimmed = FALSE;
1160
1161         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1162         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1163         rule = MODEST_DIMMING_RULE (user_data);
1164
1165         /* Check dimmed rule */
1166         dimmed = _transfer_mode_enabled (win);
1167         if (dimmed)
1168                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1169
1170         if (!dimmed) {
1171                 GtkWidget *header_view;
1172                 TnyFolder *folder;
1173
1174                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1175                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1176                 if (folder) {
1177                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
1178                         g_object_unref (folder);
1179                 }
1180         }
1181
1182         return dimmed;
1183 }
1184 #endif
1185
1186 gboolean
1187 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1188 {
1189         ModestDimmingRule *rule = NULL;
1190         gboolean dimmed = FALSE;
1191
1192         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1193         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1194         rule = MODEST_DIMMING_RULE (user_data);
1195
1196         /* Check dimmed rule */
1197         dimmed = _transfer_mode_enabled (win);
1198         if (dimmed)
1199                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1200
1201         return dimmed;
1202 }
1203
1204 gboolean
1205 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1206 {
1207         ModestDimmingRule *rule = NULL;
1208         TnyFolderType types[3];
1209         gboolean dimmed = FALSE;
1210
1211         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1212         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1213         rule = MODEST_DIMMING_RULE (user_data);
1214
1215         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1216         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1217         types[2] = TNY_FOLDER_TYPE_SENT;
1218
1219         /* Check dimmed rule */
1220         dimmed = _clipboard_is_empty (win);
1221         if (dimmed)
1222                 modest_dimming_rule_set_notification (rule,
1223                                                       dgettext("hildon-common-strings",
1224                                                                "ecoc_ib_edwin_nothing_to_paste"));
1225         if (!dimmed) {
1226                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1227                 if (dimmed)
1228                         modest_dimming_rule_set_notification (rule,
1229                                                               dgettext("hildon-common-strings",
1230                                                                        "ckct_ib_unable_to_paste_here"));
1231         }
1232         if (!dimmed) {
1233                 dimmed = !_folder_view_has_focus (win);
1234                 if (dimmed)
1235                         modest_dimming_rule_set_notification (rule,
1236                                         dgettext("hildon-common-strings",
1237                                         "ckct_ib_unable_to_paste_here"));
1238         }
1239         if (!dimmed) {
1240                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1241                 if (dimmed)
1242                         modest_dimming_rule_set_notification (rule,
1243                                                               dgettext("hildon-common-strings",
1244                                                                        "ckct_ib_unable_to_paste_here"));
1245         }
1246         if (!dimmed) {
1247                 dimmed = _selected_folder_is_same_as_source (win);
1248                 if (dimmed)
1249                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1250         }
1251         if (!dimmed) {
1252                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1253                 if (dimmed)
1254                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1255         }
1256
1257         return dimmed;
1258 }
1259
1260
1261 gboolean
1262 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1263 {
1264         ModestDimmingRule *rule = NULL;
1265         gboolean dimmed = FALSE;
1266         GtkWidget *focused = NULL;
1267
1268         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1269         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1270         rule = MODEST_DIMMING_RULE (user_data);
1271
1272         focused = gtk_window_get_focus (GTK_WINDOW (win));
1273
1274         /* Main window dimming rules */
1275         if (MODEST_IS_MAIN_WINDOW (win))
1276                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1277
1278         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1279                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1280
1281         if (!dimmed && GTK_IS_ENTRY (focused)) {
1282                 const gchar *current_text;
1283                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1284                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1285         }
1286
1287         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1288                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1289                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1290         }
1291
1292         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1293                 dimmed = FALSE;
1294         return dimmed;
1295 }
1296
1297 gboolean
1298 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1299 {
1300         ModestDimmingRule *rule = NULL;
1301         gboolean dimmed = FALSE;
1302
1303         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1304         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1305         rule = MODEST_DIMMING_RULE (user_data);
1306
1307         /* Check dimmed rule */
1308         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1309
1310         if (!dimmed) {
1311                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1312                 if (dimmed) {
1313                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1314                 }
1315         }
1316
1317         return dimmed;
1318 }
1319
1320 gboolean
1321 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1322 {
1323         ModestDimmingRule *rule = NULL;
1324         gboolean dimmed = FALSE;
1325
1326         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1327         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1328         rule = MODEST_DIMMING_RULE (user_data);
1329
1330         /* Check dimmed rule */
1331         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1332
1333         if (!dimmed) {
1334                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1335                 if (dimmed) {
1336                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1337                 }
1338         }
1339
1340         return dimmed;
1341 }
1342
1343 gboolean
1344 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1345 {
1346         ModestDimmingRule *rule = NULL;
1347         const DimmedState *state = NULL;
1348         gboolean dimmed = FALSE;
1349
1350         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1351         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1352         rule = MODEST_DIMMING_RULE (user_data);
1353         state = modest_window_get_dimming_state (win);
1354
1355         /* Check in main window if there's only one message selected */
1356         if (MODEST_IS_MAIN_WINDOW (win)) {
1357                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1358         }
1359
1360         /* Check in view window if there's any attachment selected */
1361         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1362                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1363                 if (dimmed)
1364                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1365         }
1366
1367 #ifndef MODEST_TOOLKIT_HILDON2
1368         /* Messages as attachments could not be removed */
1369         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1370                 TnyList *attachments;
1371                 TnyIterator *iter;
1372                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW (win));
1373                 if (attachments) {
1374                         iter = tny_list_create_iterator (attachments);
1375                         while (!tny_iterator_is_done (iter) && !dimmed) {
1376                                 TnyMimePart *mime_part = (TnyMimePart *)
1377                                         tny_iterator_get_current (iter);
1378                                 if (modest_tny_mime_part_is_msg (mime_part))
1379                                         dimmed = TRUE;
1380                                 g_object_unref (mime_part);
1381                                 tny_iterator_next (iter);
1382                         }
1383                         g_object_unref (iter);
1384                         g_object_unref (attachments);
1385                 }
1386         }
1387 #endif
1388
1389         if (!dimmed) {
1390
1391                 dimmed = _selected_msg_sent_in_progress (win);
1392                 if (dimmed) {
1393                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1394                 }
1395         }
1396
1397         /* cannot purge in editable drafts nor pop folders */
1398         if (!dimmed) {
1399                 dimmed = _invalid_folder_for_purge (win, rule);
1400                 if (dimmed)
1401                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1402         }
1403
1404         /* Check if the selected message in main window has attachments */
1405         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1406                 dimmed = !(state->any_has_attachments);
1407                 if (dimmed)
1408                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1409         }
1410
1411         /* Check if all attachments are already purged */
1412         if (!dimmed) {
1413                 dimmed = _purged_attach_selected (win, TRUE, rule);
1414         }
1415
1416         /* Check if the message is already downloaded */
1417         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1418                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1419                 if (dimmed)
1420                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1421         }
1422
1423         return dimmed;
1424 }
1425
1426 gboolean
1427 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1428 {
1429         ModestDimmingRule *rule = NULL;
1430         gboolean dimmed = FALSE;
1431
1432         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1433         rule = MODEST_DIMMING_RULE (user_data);
1434
1435         /* Check dimmed rule */
1436         if (MODEST_IS_MAIN_WINDOW (win)) {
1437                 dimmed = _clipboard_is_empty (win);
1438                 if (dimmed)
1439                         modest_dimming_rule_set_notification (rule, "");
1440         }
1441
1442         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1443                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1444         }
1445
1446         return dimmed;
1447 }
1448
1449 gboolean
1450 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1451 {
1452         ModestDimmingRule *rule = NULL;
1453         gboolean dimmed = FALSE;
1454
1455         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1456         rule = MODEST_DIMMING_RULE (user_data);
1457
1458         /* Check dimmed rule */
1459         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1460                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1461         }
1462
1463         return dimmed;
1464 }
1465
1466 gboolean
1467 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1468 {
1469         ModestDimmingRule *rule = NULL;
1470         const DimmedState *state = NULL;
1471         gboolean dimmed = FALSE;
1472
1473         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1474         rule = MODEST_DIMMING_RULE (user_data);
1475         state = modest_window_get_dimming_state (win);
1476
1477         /* Check common dimming rules */
1478         dimmed = _invalid_clipboard_selected (win, rule);
1479
1480         /* Check window specific dimming rules */
1481         if (MODEST_IS_MAIN_WINDOW (win)) {
1482                 /* Get focused widget */
1483                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1484
1485                 if (MODEST_IS_HEADER_VIEW (focused)) {
1486                         if (!dimmed) {
1487                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1488                                 if (dimmed)
1489                                         modest_dimming_rule_set_notification (rule, "");
1490                         }
1491                         if (!dimmed) {
1492                                 dimmed = _selected_msg_sent_in_progress (win);
1493                                 if (dimmed)
1494                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1495                         }
1496                         if (!dimmed) {
1497                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1498                                 if(dimmed)
1499                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1500                         }
1501                 }
1502                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1503                         TnyFolderType types[3];
1504
1505                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1506                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1507                         types[2] = TNY_FOLDER_TYPE_SENT;
1508
1509                         /* Apply folder rules */
1510                         if (!dimmed) {
1511                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1512                                 if (dimmed)
1513                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1514                         }
1515                         if (!dimmed) {
1516                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1517                                 if (dimmed)
1518                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1519                         }
1520                         if (!dimmed) {
1521                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1522                                 if (dimmed)
1523                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1524                         }
1525                 }
1526         }
1527
1528         return dimmed;
1529 }
1530
1531 gboolean
1532 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1533 {
1534         ModestDimmingRule *rule = NULL;
1535         const DimmedState *state = NULL;
1536         gboolean dimmed = FALSE;
1537
1538         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1539         rule = MODEST_DIMMING_RULE (user_data);
1540         state = modest_window_get_dimming_state (win);
1541
1542         /* Check common dimming rules */
1543         dimmed = _invalid_clipboard_selected (win, rule);
1544
1545         /* Check window specific dimming rules */
1546         if (MODEST_IS_MAIN_WINDOW (win)) {
1547                 /* Get focused widget */
1548                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1549
1550                 if (MODEST_IS_HEADER_VIEW (focused)) {
1551                         if (!dimmed) {
1552                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1553                                 if (dimmed)
1554                                         modest_dimming_rule_set_notification (rule, "");
1555                         }
1556                         if (!dimmed) {
1557                                 dimmed = _selected_msg_sent_in_progress (win);
1558                                 if (dimmed)
1559                                         modest_dimming_rule_set_notification (rule, _(""));
1560                         }
1561                         if (!dimmed) {
1562                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1563                                 if(dimmed)
1564                                         modest_dimming_rule_set_notification (rule, _(""));
1565                         }
1566                 }
1567                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1568                         TnyFolderType types[3];
1569
1570                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1571                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1572                         types[2] = TNY_FOLDER_TYPE_SENT;
1573
1574                         if (!dimmed) {
1575                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1576                                 if (dimmed)
1577                                         modest_dimming_rule_set_notification (rule, _(""));
1578                         }
1579                         if (!dimmed) {
1580                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1581                                 if (dimmed)
1582                                         modest_dimming_rule_set_notification (rule, _(""));
1583                         }
1584                 }
1585         }
1586
1587         return dimmed;
1588 }
1589
1590 gboolean
1591 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1592 {
1593         ModestDimmingRule *rule = NULL;
1594         const DimmedState *state = NULL;
1595         gboolean dimmed = FALSE;
1596
1597         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1598         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1599         rule = MODEST_DIMMING_RULE (user_data);
1600         state = modest_window_get_dimming_state (win);
1601
1602
1603         /* Check common dimming rules */
1604         ModestMsgEditFormat format;
1605         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1606
1607         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1608         if (dimmed)
1609                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1610
1611         if (!dimmed) {
1612                 GtkWidget *body;
1613                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1614                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1615
1616                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1617                 if (dimmed)
1618                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1619         }
1620
1621
1622         return dimmed;
1623 }
1624
1625 gboolean
1626 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1627 {
1628         ModestDimmingRule *rule = NULL;
1629         const DimmedState *state = NULL;
1630         gboolean dimmed = FALSE;
1631
1632         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1633         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1634         rule = MODEST_DIMMING_RULE (user_data);
1635         state = modest_window_get_dimming_state (win);
1636
1637         GtkWidget *body;
1638         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1639                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1640
1641         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1642         if (dimmed)
1643                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1644
1645         return dimmed;
1646 }
1647
1648 gboolean
1649 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1650 {
1651         ModestDimmingRule *rule = NULL;
1652         const DimmedState *state = NULL;
1653         gboolean dimmed = FALSE;
1654         GtkWidget *focused = NULL;
1655
1656         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1657         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1658         rule = MODEST_DIMMING_RULE (user_data);
1659         state = modest_window_get_dimming_state (win);
1660
1661         focused = gtk_window_get_focus (GTK_WINDOW (win));
1662
1663         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1664
1665         if (!dimmed) {
1666                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1667         }
1668
1669         if (!dimmed) {
1670                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1671                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1672
1673                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1674                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1675         }
1676
1677         return dimmed;
1678 }
1679
1680 gboolean
1681 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1682 {
1683         ModestDimmingRule *rule = NULL;
1684         const DimmedState *state = NULL;
1685         gboolean dimmed = FALSE;
1686         TnyList *selected_attachments = NULL;
1687         gint n_att_selected = 0;
1688         GtkWidget *attachments_view;
1689
1690         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1691         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1692         rule = MODEST_DIMMING_RULE (user_data);
1693         state = modest_window_get_dimming_state (win);
1694
1695         attachments_view = modest_msg_edit_window_get_child_widget (
1696                                                                     MODEST_MSG_EDIT_WINDOW (win),
1697                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1698
1699         selected_attachments = modest_attachments_view_get_selection (
1700                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1701         n_att_selected = tny_list_get_length (selected_attachments);
1702         g_object_unref (selected_attachments);
1703
1704         dimmed = (n_att_selected < 1);
1705
1706         return dimmed;
1707 }
1708
1709 gboolean
1710 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1711 {
1712         ModestDimmingRule *rule = NULL;
1713         const DimmedState *state = NULL;
1714         gboolean dimmed = FALSE;
1715         GtkWidget *subject_field, *body_field;
1716         GtkTextBuffer *body_buffer;
1717         const gchar *subject = NULL;
1718
1719         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1720         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1721         rule = MODEST_DIMMING_RULE (user_data);
1722         state = modest_window_get_dimming_state (win);
1723
1724         body_field = modest_msg_edit_window_get_child_widget (
1725                                                               MODEST_MSG_EDIT_WINDOW (win),
1726                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1727         subject_field = modest_msg_edit_window_get_child_widget (
1728                                                                  MODEST_MSG_EDIT_WINDOW (win),
1729                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1730         body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1731         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1732
1733         dimmed = (subject == NULL || subject[0] == '\0');
1734         if (dimmed)
1735                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1736
1737         if (!dimmed) {
1738                 GtkWidget *to_field, *cc_field, *bcc_field;
1739                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1740                 cc_field = modest_msg_edit_window_get_child_widget (
1741                         MODEST_MSG_EDIT_WINDOW (win),
1742                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1743                 to_field = modest_msg_edit_window_get_child_widget (
1744                         MODEST_MSG_EDIT_WINDOW (win),
1745                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1746                 bcc_field = modest_msg_edit_window_get_child_widget (
1747                         MODEST_MSG_EDIT_WINDOW (win),
1748                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1749                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1750                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1751                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1752
1753                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1754                            gtk_text_buffer_get_char_count (cc_buffer) +
1755                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1756                 if (dimmed)
1757                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1758         }
1759
1760         return dimmed;
1761 }
1762
1763 gboolean
1764 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1765 {
1766         ModestDimmingRule *rule = NULL;
1767         gboolean dimmed = FALSE;
1768
1769         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1770         rule = MODEST_DIMMING_RULE (user_data);
1771
1772         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1773
1774         /* Check dimmed rule */
1775         dimmed = _transfer_mode_enabled (win);
1776         if (dimmed)
1777                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1778
1779         if (!dimmed) {
1780                 dimmed = modest_msg_view_window_first_message_selected (
1781                                 MODEST_MSG_VIEW_WINDOW(win));
1782                 modest_dimming_rule_set_notification (rule, NULL);
1783         }
1784
1785         return dimmed;
1786 }
1787
1788 gboolean
1789 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1790 {
1791         ModestDimmingRule *rule = NULL;
1792         gboolean dimmed = FALSE;
1793
1794         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1795         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1796         rule = MODEST_DIMMING_RULE (user_data);
1797
1798         /* Check dimmed rule */
1799         dimmed = _transfer_mode_enabled (win);
1800         if (dimmed)
1801                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1802
1803         if (!dimmed) {
1804                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1805                 modest_dimming_rule_set_notification (rule, NULL);
1806         }
1807
1808         return dimmed;
1809 }
1810
1811
1812 gboolean
1813 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1814 {
1815         return !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1816                                                 TRUE);
1817 }
1818
1819 gboolean
1820 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1821 {
1822         ModestDimmingRule *rule = NULL;
1823         TnyFolderType types[1];
1824         const DimmedState *state = NULL;
1825         gboolean dimmed = FALSE;
1826
1827         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1828         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1829         rule = MODEST_DIMMING_RULE (user_data);
1830         state = modest_window_get_dimming_state (win);
1831
1832         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1833
1834         /* Check dimmed rules */
1835         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1836         if (dimmed)
1837                 modest_dimming_rule_set_notification (rule, "");
1838         if (!dimmed) {
1839                 dimmed = !state->sent_in_progress;
1840                 if (dimmed)
1841                         modest_dimming_rule_set_notification (rule, "");
1842         }
1843
1844         return dimmed;
1845 }
1846
1847 gboolean
1848 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1849 {
1850         /* We dim if no msg send is in progress (and then cancelling send all has no
1851          * effect */
1852         return !_msgs_send_in_progress ();
1853 }
1854
1855 gboolean
1856 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1857 {
1858         ModestDimmingRule *rule = NULL;
1859         gboolean dimmed = FALSE;
1860
1861         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1862         rule = MODEST_DIMMING_RULE (user_data);
1863
1864         /* Check dimmed rule */
1865         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1866                                                   TRUE);
1867         if (dimmed)
1868                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1869
1870         return dimmed;
1871 }
1872
1873 gboolean
1874 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1875 {
1876         ModestDimmingRule *rule = NULL;
1877         gboolean dimmed = FALSE;
1878
1879         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1880         rule = MODEST_DIMMING_RULE (user_data);
1881
1882         /* Check dimmed rule */
1883         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1884         if (g_slist_length (account_names) <= 1)
1885                 dimmed = TRUE;
1886         if (dimmed)
1887                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1888
1889         modest_account_mgr_free_account_names (account_names);
1890
1891         if (!dimmed) {
1892                 dimmed = _send_receive_in_progress (win);
1893         }
1894
1895         return dimmed;
1896 }
1897
1898 #ifdef MODEST_TOOLKIT_HILDON2
1899 gboolean
1900 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1901 {
1902         TnyMsg *msg;
1903         GSList *recipients, *node;
1904         gboolean has_recipients_to_add;
1905
1906         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1907         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1908
1909         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1910
1911         /* Message is loaded asynchronously, so this could happen */
1912         if (!msg)
1913                 return TRUE;
1914
1915         recipients = modest_tny_msg_get_all_recipients_list (msg);
1916
1917         has_recipients_to_add = FALSE;
1918         for (node = recipients; node != NULL; node = g_slist_next (node)) {
1919                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
1920                         has_recipients_to_add = TRUE;
1921                         break;
1922                 }
1923         }
1924
1925         g_slist_foreach (recipients, (GFunc) g_free, NULL);
1926         g_slist_free (recipients);
1927         g_object_unref (msg);
1928
1929         return !has_recipients_to_add;
1930 }
1931 #else
1932 gboolean
1933 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1934 {
1935         ModestDimmingRule *rule = NULL;
1936         gboolean dimmed = FALSE;
1937         GtkWidget *focused = NULL;
1938
1939         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1940         rule = MODEST_DIMMING_RULE (user_data);
1941         focused = gtk_window_get_focus (GTK_WINDOW (win));
1942
1943         dimmed = !focused;
1944
1945         if (!dimmed) {
1946                 gchar *selection = NULL;
1947                 if (GTK_IS_TEXT_VIEW (focused)) {
1948                         GtkTextIter start, end;
1949                         GtkTextBuffer *buffer = NULL;
1950                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1951                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1952                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1953                         }
1954                 } else if (GTK_IS_LABEL (focused)) {
1955                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
1956                 } else {
1957                         gboolean do_check = TRUE;
1958                         GtkClipboard *clipboard;
1959                         if (GTK_IS_HTML (focused)) {
1960                                 const gchar *sel;
1961                                 int len = -1;
1962                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1963                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
1964                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1965                                 do_check = FALSE;
1966                         }
1967                         if (do_check) {
1968                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1969                                 selection = gtk_clipboard_wait_for_text (clipboard);
1970                         } else {
1971                                 selection = NULL;
1972                         }
1973                 }
1974                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1975         }
1976
1977         return dimmed;
1978 }
1979 #endif
1980
1981 /* *********************** static utility functions ******************** */
1982
1983
1984 static gboolean
1985 _selected_folder_not_writeable (ModestMainWindow *win,
1986                                 gboolean for_paste)
1987 {
1988         GtkWidget *folder_view = NULL;
1989         TnyFolderStore *parent_folder = NULL;
1990         ModestEmailClipboard *clipboard = NULL;
1991         ModestTnyFolderRules rules;
1992         gboolean is_local_acc = FALSE;
1993         gboolean xfer_folders = FALSE;
1994         gboolean result = FALSE;
1995
1996         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1997
1998         /* Get folder view */
1999         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2000                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2001         /* If no folder view, always dimmed */
2002         if (!folder_view)
2003                 return TRUE;
2004
2005         /* Get selected folder as parent of new folder to create */
2006         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2007         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2008                 /* If it's the local account and its transfering folders, then do not dim */
2009                 if (TNY_IS_ACCOUNT (parent_folder)) {
2010                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2011                         if (for_paste) {
2012                                 clipboard = modest_runtime_get_email_clipboard ();
2013                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2014                         }
2015                 }
2016
2017                 if (for_paste)
2018                         result = !(is_local_acc && xfer_folders);
2019                 else
2020                         result = !is_local_acc;
2021                 goto frees;
2022         }
2023
2024         /* Check dimmed rule */
2025         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2026         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2027
2028         /* free */
2029  frees:
2030         if (parent_folder != NULL)
2031                 g_object_unref (parent_folder);
2032
2033         return result;
2034 }
2035
2036 static gboolean
2037 _selected_folder_not_deletable (ModestMainWindow *win)
2038 {
2039         GtkWidget *folder_view = NULL;
2040         TnyFolderStore *parent_folder = NULL;
2041         ModestTnyFolderRules rules;
2042         gboolean result = FALSE;
2043
2044         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2045
2046         /* Get folder view */
2047         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2048                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2049         /* If no folder view, always dimmed */
2050         if (!folder_view)
2051                 return TRUE;
2052
2053         /* Get selected folder as parent of new folder to create */
2054         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2055         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2056                 result = TRUE;
2057                 goto frees;
2058         }
2059
2060         /* Check dimmed rule */
2061         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2062         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2063
2064         /* free */
2065  frees:
2066         if (parent_folder != NULL)
2067                 g_object_unref (parent_folder);
2068
2069         return result;
2070 }
2071
2072 static gboolean
2073 _selected_folder_not_moveable (ModestMainWindow *win)
2074 {
2075         GtkWidget *folder_view = NULL;
2076         TnyFolderStore *parent_folder = NULL;
2077         ModestTnyFolderRules rules;
2078         gboolean result = FALSE;
2079
2080         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2081
2082         /* Get folder view */
2083         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2084                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2085         /* If no folder view, always dimmed */
2086         if (!folder_view)
2087                 return TRUE;
2088
2089         /* Get selected folder as parent of new folder to create */
2090         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2091         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2092                 result = TRUE;
2093                 goto frees;
2094         }
2095
2096         /* Check dimmed rule */
2097         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2098         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2099
2100         /* free */
2101  frees:
2102         if (parent_folder != NULL)
2103                 g_object_unref (parent_folder);
2104
2105         return result;
2106 }
2107
2108 static gboolean
2109 _selected_folder_not_renameable (ModestMainWindow *win)
2110 {
2111         GtkWidget *folder_view = NULL;
2112         TnyFolderStore *parent_folder = NULL;
2113         ModestTnyFolderRules rules;
2114         gboolean result = FALSE;
2115
2116         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2117
2118         /* Get folder view */
2119         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2120                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2121         /* If no folder view, always dimmed */
2122         if (!folder_view)
2123                 return TRUE;
2124
2125         /* Get selected folder as parent of new folder to create */
2126         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2127         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2128                 result = TRUE;
2129                 goto frees;
2130         }
2131
2132         /* Check dimmed rule */
2133         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2134         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2135
2136         /* free */
2137  frees:
2138         if (parent_folder != NULL)
2139                 g_object_unref (parent_folder);
2140
2141         return result;
2142 }
2143
2144 static gboolean
2145 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2146 {
2147         TnyFolderType types[2];
2148         gboolean result = FALSE;
2149
2150         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2151
2152         types[0] = TNY_FOLDER_TYPE_ROOT;
2153         types[1] = TNY_FOLDER_TYPE_INBOX;
2154
2155         /* Check folder type */
2156         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2157
2158         /* Check pop and MMC accounts */
2159         if (!result) {
2160                 result = _selected_folder_is_root (win);
2161         }
2162
2163         return result;
2164 }
2165
2166
2167 static gboolean
2168 _selected_folder_is_root (ModestMainWindow *win)
2169 {
2170         TnyFolderType types[1];
2171         gboolean result = FALSE;
2172
2173         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2174
2175         /* All accounts are root items: */
2176         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2177                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2178         if (folder_view) {
2179                 gboolean is_account = FALSE;
2180                 TnyFolderStore *folder_store =
2181                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2182                 if (folder_store) {
2183                         is_account = TNY_IS_ACCOUNT (folder_store);
2184
2185                         g_object_unref (folder_store);
2186                         folder_store = NULL;
2187                 }
2188
2189                 if (is_account)
2190                         return TRUE;
2191         }
2192
2193         /* Try something more precise: */
2194         types[0] = TNY_FOLDER_TYPE_ROOT;
2195
2196         /* Check folder type */
2197         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2198
2199         return result;
2200 }
2201
2202 static gboolean
2203 _header_view_is_all_selected (ModestMainWindow *win)
2204 {
2205         const DimmedState *state = NULL;
2206
2207         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2208
2209         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2210
2211         return state->all_selected;
2212 }
2213
2214 static gboolean
2215 _selected_folder_is_empty (ModestMainWindow *win)
2216 {
2217         GtkWidget *folder_view = NULL, *header_view = NULL;
2218         TnyFolderStore *folder = NULL;
2219         gboolean result = FALSE;
2220
2221         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2222
2223         /* Get folder view */
2224         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2225                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2226
2227         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2228                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2229
2230         /* If no folder view, always dimmed */
2231         if (!folder_view || !header_view)
2232                 return TRUE;
2233
2234         /* Get selected folder as parent of new folder to create */
2235         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2236         if (!(folder && TNY_IS_FOLDER(folder))) {
2237                 if (folder)
2238                         g_object_unref (folder);
2239                 return TRUE;
2240         }
2241
2242         /* Check folder type */
2243         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2244             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2245                 result = TRUE;
2246
2247         /* free */
2248         g_object_unref (folder);
2249
2250         return result;
2251 }
2252
2253 static gboolean
2254 _folder_view_has_focus (ModestWindow *win)
2255 {
2256         GtkWidget *folder_view = NULL;
2257
2258         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2259
2260         /* Get folder view */
2261         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2262                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2263         if (!folder_view)
2264                 return FALSE;
2265
2266         if (gtk_widget_is_focus(folder_view))
2267                 return TRUE;
2268
2269         return FALSE;
2270 }
2271
2272 static gboolean
2273 _selected_folder_is_same_as_source (ModestWindow *win)
2274 {
2275         ModestEmailClipboard *clipboard = NULL;
2276         GtkWidget *folder_view = NULL;
2277         TnyFolderStore *folder = NULL;
2278         gboolean result = FALSE;
2279
2280         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2281
2282         /* Get folder view */
2283         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2284                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2285         if (!folder_view)
2286                 return FALSE;
2287
2288         /* Get selected folder as destination folder */
2289         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2290         if (!(folder && TNY_IS_FOLDER(folder))) {
2291                 result = FALSE;
2292                 goto frees;
2293         }
2294
2295         /* Check clipboard is cleared */
2296         clipboard = modest_runtime_get_email_clipboard ();
2297         if (modest_email_clipboard_cleared (clipboard)) {
2298                 result = FALSE;
2299                 goto frees;
2300         }
2301
2302         /* Check source folder */
2303         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2304
2305         /* Free */
2306  frees:
2307         g_object_unref (folder);
2308
2309         return result;
2310 }
2311
2312 static gboolean
2313 _selected_folder_is_any_of_type (ModestWindow *win,
2314                                  TnyFolderType types[],
2315                                  guint ntypes)
2316 {
2317         GtkWidget *folder_view = NULL;
2318         TnyFolderStore *folder = NULL;
2319         TnyFolderType folder_type;
2320         guint i=0;
2321         gboolean result = FALSE;
2322
2323         /*Get current folder */
2324         if (MODEST_IS_MAIN_WINDOW(win)) {
2325
2326                 /* Get folder view */
2327                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2328                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2329                 /* If no folder view, always dimmed */
2330                 if (!folder_view)
2331                         return FALSE;
2332
2333                 /* Get selected folder as parent of new folder to create */
2334                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2335
2336                 if (!(folder && TNY_IS_FOLDER(folder))) {
2337                         if (folder)
2338                                 g_object_unref (folder);
2339                         return FALSE;
2340                 }
2341
2342                 /* Check folder type */
2343                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2344         }
2345         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2346                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2347                 for (i=0; i < ntypes; i++) {
2348                         result = result || folder_type == types[i];
2349                 }
2350         }
2351
2352
2353         /* free */
2354         if (folder)
2355                 g_object_unref (folder);
2356
2357         return result;
2358 }
2359
2360 static gboolean
2361 _folder_is_any_of_type (TnyFolder *folder,
2362                         TnyFolderType types[],
2363                         guint ntypes)
2364 {
2365         TnyFolderType folder_type;
2366         gboolean result = FALSE;
2367         guint i;
2368
2369         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2370
2371         /* Get folder type */
2372         folder_type = modest_tny_folder_guess_folder_type (folder);
2373         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2374                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2375
2376         /* Check foler type */
2377         for (i=0; i < ntypes; i++) {
2378                 result = result || folder_type == types[i];
2379         }
2380
2381         return result;
2382 }
2383
2384 static gboolean
2385 _clipboard_is_empty (ModestWindow *win)
2386 {
2387         gboolean result = FALSE;
2388
2389         if (MODEST_IS_MAIN_WINDOW (win)) {
2390                 ModestEmailClipboard *clipboard = NULL;
2391                 clipboard = modest_runtime_get_email_clipboard ();
2392                 if (modest_email_clipboard_cleared (clipboard))
2393                  result = TRUE;
2394         }
2395
2396         return result;
2397 }
2398
2399 static gboolean
2400 _invalid_clipboard_selected (ModestWindow *win,
2401                              ModestDimmingRule *rule)
2402 {
2403         const DimmedState *state = NULL;
2404         gboolean result = FALSE;
2405         GtkWidget *focused = NULL;
2406
2407         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2408         state = modest_window_get_dimming_state (win);
2409         /* Get focuesed widget */
2410         focused = gtk_window_get_focus (GTK_WINDOW (win));
2411
2412         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2413                 gboolean has_selection = FALSE;
2414                 if (GTK_IS_TEXT_VIEW (focused)) {
2415                         GtkTextBuffer *buffer = NULL;
2416                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2417                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2418                 } else if (GTK_IS_EDITABLE (focused)) {
2419                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2420                 }
2421                 result = !has_selection;
2422         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2423                 if (focused) {
2424                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2425                         if (GTK_IS_LABEL (focused) &&
2426                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2427                                 result = TRUE;
2428                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2429                                 GtkTextBuffer *buffer;
2430                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2431                                 result = !gtk_text_buffer_get_has_selection (buffer);
2432                         } else if (GTK_IS_HTML (focused)) {
2433                                 const gchar *sel;
2434                                 int len = -1;
2435                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2436                                 result = ((sel == NULL) || (sel[0] == '\0'));
2437                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2438                                 result = TRUE;
2439                         } else {
2440                                 GtkClipboard *clipboard;
2441                                 gchar *selection;
2442
2443                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2444                                 /* Get clipboard selection*/
2445                                 selection = gtk_clipboard_wait_for_text (clipboard);
2446                                 /* Check dimming */
2447                                 result = (selection == NULL);
2448                                 g_free (selection);
2449                         }
2450                 } else {
2451                         result = TRUE;
2452                 }
2453
2454                 if (result)
2455                         modest_dimming_rule_set_notification (rule, "");
2456
2457         }
2458         else if (MODEST_IS_MAIN_WINDOW (win)) {
2459                 /* Check dimming */
2460                 result = state->n_selected == 0;
2461                 if (result)
2462                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2463         }
2464
2465         return result;
2466 }
2467
2468
2469 static gboolean
2470 _invalid_attach_selected (ModestWindow *win,
2471                           gboolean unique,
2472                           gboolean for_view,
2473                           gboolean for_remove,
2474                           ModestDimmingRule *rule)
2475 {
2476         TnyList *attachments;
2477         gint n_selected;
2478         TnyHeaderFlags flags;
2479         gboolean nested_attachments = FALSE;
2480         gboolean selected_messages = FALSE;
2481         const DimmedState *state = NULL;
2482         gboolean result = FALSE;
2483
2484         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2485         state = modest_window_get_dimming_state (win);
2486
2487         if (MODEST_IS_MAIN_WINDOW (win)) {
2488                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2489                 if (!result)
2490                         result = !state->any_has_attachments;
2491         }
2492         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2493
2494                 /* Get selected atachments */
2495                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2496                 n_selected = tny_list_get_length (attachments);
2497
2498                 /* Check unique */
2499                 if (!result) {
2500                         if (unique)
2501                                 result = n_selected != 1;
2502                         else
2503
2504                                 result = n_selected < 1;
2505                 }
2506
2507                 /* Check attached type (view operation not required) */
2508                 if (!result && !for_view)  {
2509                         TnyIterator *iter;
2510                         iter = tny_list_create_iterator (attachments);
2511                         while (!tny_iterator_is_done (iter) && !result) {
2512                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2513                                 TnyList *nested_list = tny_simple_list_new ();
2514
2515                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
2516                                         TnyMsg *window_msg;
2517                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2518                                         if ((TnyMimePart *) window_msg != mime_part) {
2519                                                 selected_messages = TRUE;
2520                                                 result = TRUE;
2521                                         }
2522                                         g_object_unref (window_msg);
2523                                 }
2524                                 tny_mime_part_get_parts (mime_part, nested_list);
2525                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2526                                         nested_attachments = TRUE;
2527                                         result = TRUE;
2528                                 }
2529                                 g_object_unref (nested_list);
2530                                 g_object_unref (mime_part);
2531                                 tny_iterator_next (iter);
2532                         }
2533                         g_object_unref (iter);
2534                 }
2535
2536                 /* Set notifications */
2537                 if (result && rule != NULL) {
2538                         if (selected_messages) {
2539                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2540                         } else if (nested_attachments) {
2541                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2542                         } else if (n_selected == 0) {
2543                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2544                         } else if (unique) {
2545                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2546                         }
2547                 }
2548
2549                 /* Free */
2550                 g_object_unref (attachments);
2551         }
2552
2553         return result;
2554 }
2555
2556 static gboolean
2557 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2558 {
2559         TnyList *attachments = NULL;
2560         TnyIterator *iter;
2561         gint purged = 0;
2562         gint n_attachments = 0;
2563         gboolean result = FALSE;
2564
2565         /* This should check if _all_ the attachments are already purged. If only some
2566          * of them are purged, then it does not cause dim as there's a confirmation dialog
2567          * for removing only local attachments */
2568
2569         /* Get selected atachments */
2570         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2571                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2572         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2573                 /* If we're in main window, we won't know if there are already purged attachments */
2574                 return FALSE;
2575         }
2576
2577         if (attachments == NULL)
2578                 return FALSE;
2579
2580         if (tny_list_get_length (attachments) == 0) {
2581                 g_object_unref (attachments);
2582                 return FALSE;
2583         }
2584
2585         iter = tny_list_create_iterator (attachments);
2586         while (!tny_iterator_is_done (iter)) {
2587                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2588                 if (tny_mime_part_is_purged (mime_part)) {
2589                         purged++;
2590                 }
2591                 n_attachments++;
2592                 g_object_unref (mime_part);
2593                 tny_iterator_next (iter);
2594         }
2595         g_object_unref (iter);
2596
2597         /* Free */
2598         g_object_unref (attachments);
2599
2600         if (all)
2601                 result = (purged == n_attachments);
2602         else
2603                 result = (purged > 0);
2604
2605         /* This string no longer exists, refer to NB#75415 for more info
2606         if (result && (rule != NULL))
2607                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2608         */
2609
2610         return result;
2611 }
2612
2613 static gboolean
2614 _invalid_msg_selected (ModestMainWindow *win,
2615                        gboolean unique,
2616                        ModestDimmingRule *rule)
2617 {
2618         GtkWidget *folder_view = NULL;
2619         const DimmedState *state = NULL;
2620         gboolean result = FALSE;
2621
2622         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2623         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2624         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2625
2626         /* Get folder view to check focus */
2627         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2628                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2629
2630         /* Check dimmed rule (TODO: check focus on widgets */
2631         if (!result) {
2632                 result = ((state->n_selected == 0 ) ||
2633                           (gtk_widget_is_focus (folder_view)));
2634                 if (result)
2635                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2636         }
2637         if (!result && unique) {
2638                 result = state->n_selected > 1;
2639                 if (result)
2640                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2641         }
2642
2643         return result;
2644 }
2645
2646
2647 static gboolean
2648 _msg_download_in_progress (ModestWindow *win)
2649 {
2650         gboolean result = FALSE;
2651
2652         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2653
2654         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2655                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2656         }
2657         else if (MODEST_IS_MAIN_WINDOW (win)) {
2658                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2659         }
2660
2661         return result;
2662 }
2663
2664 static gboolean
2665 _msg_download_completed (ModestMainWindow *win)
2666 {
2667         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2668         return state->any_marked_as_cached;
2669 }
2670
2671 static void
2672 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2673 {
2674         GSList **send_queues = (GSList **) userdata;
2675         *send_queues = g_slist_prepend (*send_queues, value);
2676 }
2677
2678 static gboolean
2679 _selected_msg_sent_in_progress (ModestWindow *win)
2680 {
2681         const DimmedState *state = modest_window_get_dimming_state (win);
2682         return state->sent_in_progress;
2683 }
2684
2685
2686 static gboolean
2687 _invalid_folder_for_purge (ModestWindow *win,
2688                            ModestDimmingRule *rule)
2689 {
2690         TnyFolder *folder = NULL;
2691         TnyAccount *account = NULL;
2692         gboolean result = FALSE;
2693
2694         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2695
2696                 /* Get folder and account of message */
2697                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2698                 g_return_val_if_fail(msg != NULL, TRUE);
2699                 folder = tny_msg_get_folder (msg);
2700                 g_object_unref (msg);
2701                 if (folder == NULL) {
2702                         result = TRUE;
2703                         goto frees;
2704                 }
2705         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2706                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2707                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2708                 if (!folder_view)
2709                         return FALSE;
2710                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2711                 /* Could be a folder store */
2712                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2713                         goto frees;
2714         } else {
2715                 g_return_val_if_reached (FALSE);
2716         }
2717         account = modest_tny_folder_get_account (folder);
2718         if (account == NULL) goto frees;
2719
2720         /* Check account */
2721         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2722                 TnyFolderType types[2];
2723                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2724                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2725
2726                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2727                         result = TRUE;
2728                 }
2729         } else {
2730                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2731                 /* If it's a remote folder then dim */
2732                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2733                                                                     protocol_type,
2734                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2735                         result = TRUE;
2736                 }
2737         }
2738
2739 frees:
2740         if (folder != NULL)
2741                 g_object_unref (folder);
2742         if (account != NULL)
2743                 g_object_unref (account);
2744
2745         return result;
2746 }
2747
2748 static gboolean
2749 _transfer_mode_enabled (ModestWindow *win)
2750 {
2751         gboolean result = FALSE;
2752
2753         /* Check dimming */
2754         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2755                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2756         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2757                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2758 #ifdef MODEST_TOOLKIT_HILDON2
2759         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2760                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2761 #endif
2762         } else {
2763                 g_warning("_transfer_mode_enabled called with wrong window type");
2764         }
2765
2766         return result;
2767 }
2768
2769 static gboolean
2770 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2771 {
2772         GtkWidget *folder_view = NULL;
2773         TnyFolderStore *folder = NULL;
2774         ModestEmailClipboard *clipboard = NULL;
2775         const gchar *folder_name = NULL;
2776         gboolean result = FALSE;
2777
2778         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2779
2780         /*Get current parent folder */
2781         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2782                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2783         /* If no folder view, always dimmed */
2784         if (!folder_view) return FALSE;
2785
2786         /* Get selected folder as parent of new folder to create */
2787         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2788         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2789
2790         /* get modest clipboard and source folder */
2791         clipboard = modest_runtime_get_email_clipboard ();
2792         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2793         if (folder_name == NULL) goto frees;
2794
2795         /* Check source subfolders names */
2796         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2797                                                             TRUE);
2798
2799         /* Free */
2800  frees:
2801         if (folder != NULL)
2802                 g_object_unref (folder);
2803
2804
2805         return result;
2806 }
2807
2808 gboolean
2809 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2810                                            gpointer user_data)
2811 {
2812         ModestDimmingRule *rule = NULL;
2813
2814         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2815         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2816         rule = MODEST_DIMMING_RULE (user_data);
2817
2818         /* Check dimmed rule */
2819         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2820 }
2821
2822 gboolean
2823 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2824                                          gpointer user_data)
2825 {
2826         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2827
2828         ModestMsgEditFormat format =
2829           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2830
2831         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2832 }
2833
2834 static gboolean
2835 _send_receive_in_progress (ModestWindow *win)
2836 {
2837         ModestMailOperationQueue *queue;
2838         GSList *op_list, *node;
2839         gboolean found_send_receive;
2840
2841         queue = modest_runtime_get_mail_operation_queue ();
2842         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
2843
2844         found_send_receive = FALSE;
2845         for (node = op_list; node != NULL; node = g_slist_next (node)) {
2846                 ModestMailOperation *op;
2847
2848                 op = (ModestMailOperation *) node->data;
2849                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
2850                         found_send_receive = TRUE;
2851                         break;
2852                 }
2853         }
2854
2855         g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
2856         g_slist_free (op_list);
2857
2858         return found_send_receive;
2859 }
2860
2861 static gboolean
2862 _msgs_send_in_progress (void)
2863 {
2864         ModestCacheMgr *cache_mgr;
2865         GHashTable *send_queue_cache;
2866         ModestTnySendQueue *send_queue;
2867         GSList *send_queues = NULL, *node = NULL;
2868         gboolean found = FALSE;
2869
2870         cache_mgr = modest_runtime_get_cache_mgr ();
2871         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2872                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2873
2874         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2875
2876         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
2877                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2878
2879                 /* Check if msg uid is being processed inside send queue */
2880                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
2881                         found = TRUE;
2882                         break;
2883                 }
2884         }
2885
2886         g_slist_free (send_queues);
2887
2888         return found;
2889 }