vcs.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-account-mgr-helpers.h"
  38 #include "modest-dimming-rule.h"
  39 #include "modest-debug.h"
  40 #include "modest-tny-folder.h"
  41 #include "modest-tny-account.h"
  42 #include "modest-tny-msg.h"
  43 #include "modest-tny-mime-part.h"
  44 #include "modest-text-utils.h"
  45 #include "widgets/modest-folder-view.h"
  46 #include "modest-address-book.h"
  47 #include <widgets/modest-attachments-view.h>
  48 #include <modest-runtime.h>
  49 #include <tny-simple-list.h>
  50 #include <tny-merge-folder.h>
  51 #include <widgets/modest-recpt-editor.h>
  52 #include <gtkhtml/gtkhtml.h>
  53 #include <modest-runtime.h>
  54 #include <widgets/modest-header-window.h>
  55 #include <modest-folder-window.h>
  56
  57
  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 _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  63 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  64 static gboolean _msg_download_in_progress (ModestWindow *win);
  65 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  66 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  67 static gboolean _transfer_mode_enabled (ModestWindow *win);
  68 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  69 static gboolean _send_receive_in_progress (ModestWindow *win);
  70 static gboolean _msgs_send_in_progress (void);
  71 static gboolean _all_msgs_in_sending_status (ModestHeaderView *header_view) G_GNUC_UNUSED;
  72 static gboolean _forbid_outgoing_xfers (ModestWindow *window);
  73
  74
  75
  76 static DimmedState *
  77 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
  78 {
  79         DimmedState *state = NULL;
  80         TnyHeader *header = NULL;
  81         ModestCacheMgr *cache_mgr = NULL;
  82         GHashTable *send_queue_cache = NULL;
  83         ModestTnySendQueue *send_queue = NULL;
  84         GSList *send_queues = NULL, *node = NULL;
  85         gboolean found = FALSE;
  86         gchar *msg_uid = NULL;
  87         TnyHeaderFlags flags;
  88         gboolean all_deleted = TRUE;
  89         gboolean all_seen = TRUE;
  90         gboolean all_cached = TRUE;
  91         gboolean all_has_attach = TRUE;
  92
  93         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
  94
  95         /* Init state */
  96         state = g_slice_new0 (DimmedState);
  97         state->n_selected = 0;
  98         state->already_opened_msg = 0;
  99         state->any_marked_as_deleted = FALSE;
 100         state->all_marked_as_deleted = FALSE;
 101         state->any_marked_as_seen = FALSE;
 102         state->all_marked_as_seen = FALSE;
 103         state->any_marked_as_cached = FALSE;
 104         state->all_marked_as_cached = FALSE;
 105         state->any_has_attachments = FALSE;
 106         state->all_has_attachments = FALSE;
 107         state->sent_in_progress = FALSE;
 108
 109         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 110         if (header == NULL)
 111                 return state;
 112         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 113         flags = tny_header_get_flags (header);
 114
 115         /* Selected */
 116         state->n_selected++;
 117
 118         /* Mark as deleted */
 119         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 120         state->all_marked_as_deleted = all_deleted;
 121         if (!state->any_marked_as_deleted)
 122                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 123
 124         /* Mark as seen */
 125         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 126         state->all_marked_as_seen = all_seen;
 127         if (!state->any_marked_as_seen)
 128                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 129
 130         /* Mark as cached */
 131         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 132         state->all_marked_as_cached = all_cached;
 133         if (!state->any_marked_as_cached)
 134                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 135
 136         /* Mark has_attachments */
 137         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 138         state->all_has_attachments = all_has_attach;
 139         if (!state->any_has_attachments)
 140                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 141
 142         /* sent in progress */
 143         msg_uid = modest_tny_send_queue_get_msg_id (header);
 144         if (!state->sent_in_progress) {
 145                 cache_mgr = modest_runtime_get_cache_mgr ();
 146                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 147                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 148
 149                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 150
 151                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 152                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 153
 154                         /* Check if msg uid is being processed inside send queue */
 155                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 156                 }
 157                 state->sent_in_progress = found;
 158         }
 159
 160         /* Free */
 161         g_free(msg_uid);
 162         g_object_unref (header);
 163         g_slist_free (send_queues);
 164
 165         return state;
 166 }
 167
 168
 169 DimmedState *
 170 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 171 {
 172         DimmedState *state = NULL;
 173
 174         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 175
 176
 177         if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 178                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 179         }
 180
 181         return state;
 182 }
 183
 184 gboolean
 185 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 186 {
 187         ModestDimmingRule *rule = NULL;
 188         gboolean dimmed = FALSE;
 189
 190         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 191         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 192         rule = MODEST_DIMMING_RULE (user_data);
 193
 194         /* Check dimmed rule */
 195         return dimmed;
 196 }
 197
 198
 199 gboolean
 200 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 201 {
 202         ModestDimmingRule *rule = NULL;
 203         gboolean dimmed = FALSE;
 204
 205         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 206         rule = MODEST_DIMMING_RULE (user_data);
 207
 208         if (MODEST_IS_FOLDER_WINDOW (win)) {
 209                 dimmed = modest_ui_dimming_rules_on_folder_window_delete (win, user_data);
 210         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 211
 212                 if (!dimmed)
 213                         dimmed = _transfer_mode_enabled (win);
 214
 215                 if (dimmed)
 216                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 217
 218                 if (!dimmed) {
 219                         GtkWidget *header_view;
 220                         TnyFolder *folder;
 221
 222                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 223                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 224                         if (folder) {
 225                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
 226                                         modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
 227
 228                                 if (!dimmed &&
 229                                     (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
 230                                         dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
 231                                 }
 232                                 g_object_unref (folder);
 233                         }
 234                 }
 235         }
 236
 237         return dimmed;
 238 }
 239
 240
 241 gboolean
 242 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 243 {
 244         gboolean dimmed = FALSE;
 245
 246         if (MODEST_IS_HEADER_WINDOW (win)) {
 247                 return FALSE;
 248         }
 249
 250         return dimmed;
 251 }
 252
 253 gboolean
 254 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 255 {
 256         ModestDimmingRule *rule = NULL;
 257         TnyFolderType types[4];
 258         gboolean dimmed = FALSE;
 259
 260         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 261         rule = MODEST_DIMMING_RULE (user_data);
 262
 263         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 264         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 265         types[2] = TNY_FOLDER_TYPE_SENT;
 266         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 267
 268         if (MODEST_IS_FOLDER_WINDOW (win)) {
 269                 ModestFolderView *folder_view;
 270                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
 271                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
 272                                                                        MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE);
 273         }
 274
 275         if (!dimmed) {
 276                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 277                 if (dimmed)
 278                         modest_dimming_rule_set_notification (rule, "");
 279         }
 280
 281         return dimmed;
 282 }
 283
 284
 285 gboolean
 286 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 287 {
 288         ModestDimmingRule *rule = NULL;
 289         gboolean dimmed = FALSE;
 290         TnyFolderType types[3];
 291
 292         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 293         rule = MODEST_DIMMING_RULE (user_data);
 294
 295         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 296         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 297         types[2] = TNY_FOLDER_TYPE_ROOT;
 298
 299         /* Check dimmed rule */
 300         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 301         if (dimmed)
 302                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 303
 304
 305         /* msg view window dimming rules */
 306         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 307
 308                 /* This could happen if we load the msg view window with a
 309                    preview before loading the full message */
 310                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 311                 if (!msg) {
 312                         dimmed = TRUE;
 313                 } else {
 314                         g_object_unref (msg);
 315                 }
 316
 317                 if (!dimmed) {
 318                         dimmed = _transfer_mode_enabled (win);
 319                         if (dimmed)
 320                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 321                 }
 322                 if (!dimmed) {
 323                         dimmed = _msg_download_in_progress (win);
 324                         if (dimmed)
 325                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 326                 }
 327         }
 328
 329         return dimmed;
 330 }
 331
 332
 333 gboolean
 334 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 335 {
 336         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 337
 338         return TRUE;
 339 }
 340
 341 static gboolean
 342 _message_already_sent (ModestMsgViewWindow *view_window)
 343 {
 344         TnyHeader *header;
 345         TnyFolder *folder;
 346         gboolean already_sent = FALSE;
 347
 348         header = modest_msg_view_window_get_header (view_window);
 349         if (header) {
 350                 folder = tny_header_get_folder (header);
 351                 if (folder) {
 352                         if (modest_tny_folder_guess_folder_type (folder) ==
 353                             TNY_FOLDER_TYPE_OUTBOX) {
 354                                 ModestTnySendQueueStatus status =
 355                                         modest_tny_all_send_queues_get_msg_status (header);
 356                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 357                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 358                                         already_sent = TRUE;
 359                         }
 360                         g_object_unref (folder);
 361                 }
 362                 g_object_unref (header);
 363         }
 364         return already_sent;
 365 }
 366
 367
 368 gboolean
 369 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 370 {
 371         ModestDimmingRule *rule = NULL;
 372         const DimmedState *state = NULL;
 373         gboolean dimmed = FALSE;
 374
 375         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 376         rule = MODEST_DIMMING_RULE (user_data);
 377         state = modest_window_get_dimming_state (win);
 378
 379         /* If we're in transfer mode then do not allow to delete messages */
 380         dimmed = _transfer_mode_enabled (win);
 381         if (dimmed) {
 382                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 383                 return dimmed;
 384         }
 385
 386         /* Check dimmed rule */
 387         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 388                 /* This could happen if we load the msg view window with a
 389                    preview before loading the full message */
 390                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 391                 if (!msg) {
 392                         dimmed = TRUE;
 393                 } else {
 394                         g_object_unref (msg);
 395                 }
 396
 397                 if (!dimmed) {
 398                         if (state)
 399                                 dimmed = state->any_marked_as_deleted;
 400                         if (dimmed) {
 401                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 402                                 modest_dimming_rule_set_notification (rule, msg);
 403                                 g_free (msg);
 404                         }
 405                 }
 406                 if (!dimmed) {
 407                         if (state)
 408                                 dimmed = state->sent_in_progress;
 409                         if (dimmed)
 410                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 411                 }
 412
 413                 /* This could happen if we're viewing a message of the
 414                    outbox that has been already sent */
 415                 if (!dimmed)
 416                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 417
 418                 /* The delete button should be dimmed when viewing an attachment,
 419                  * but should be enabled when viewing a message from the list,
 420                  * or when viewing a search result.
 421                  */
 422                 if (!dimmed) {
 423                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 424                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 425                                 if (dimmed) {
 426                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 427                                 }
 428                         }
 429                 }
 430         }
 431
 432         return dimmed;
 433 }
 434
 435 gboolean
 436 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 437 {
 438         ModestDimmingRule *rule = NULL;
 439         gboolean dimmed = FALSE;
 440
 441         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 442         rule = MODEST_DIMMING_RULE (user_data);
 443
 444         {
 445                 /* Check dimmed rule */
 446                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 447                         dimmed = _msg_download_in_progress (win);
 448                 if (dimmed)
 449                         modest_dimming_rule_set_notification (rule, "");
 450         }
 451
 452         return dimmed;
 453 }
 454
 455 gboolean
 456 modest_ui_dimming_rules_on_fetch_images (ModestWindow *win, gpointer user_data)
 457 {
 458         gboolean dimmed = FALSE;
 459
 460         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 461
 462         dimmed = !modest_msg_view_window_has_blocked_external_images (MODEST_MSG_VIEW_WINDOW (win));
 463
 464         return dimmed;
 465 }
 466
 467
 468 gboolean
 469 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 470 {
 471         ModestDimmingRule *rule = NULL;
 472         TnyHeader *header;
 473         TnyHeaderFlags flags;
 474         gboolean dimmed = FALSE;
 475
 476
 477         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 478         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 479         rule = MODEST_DIMMING_RULE (user_data);
 480
 481         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 482         if (!header) {
 483                 dimmed = TRUE;
 484         }
 485
 486         /* If the viewer is showing a message sent as attachment */
 487         if (!dimmed)
 488                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 489
 490         if (!dimmed) {
 491                 flags = tny_header_get_flags (header);
 492                 if (flags & TNY_HEADER_FLAG_SEEN)
 493                         dimmed = TRUE;
 494         }
 495
 496         if (header)
 497                 g_object_unref (header);
 498         return dimmed;
 499 }
 500
 501
 502 gboolean
 503 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 504 {
 505         ModestDimmingRule *rule = NULL;
 506         TnyHeader *header;
 507         TnyHeaderFlags flags;
 508         gboolean dimmed = FALSE;
 509
 510
 511         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 512         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 513         rule = MODEST_DIMMING_RULE (user_data);
 514
 515         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 516         if (!header) {
 517                 dimmed = TRUE;
 518         }
 519
 520         /* If the viewer is showing a message sent as attachment */
 521         if (!dimmed)
 522                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 523
 524         if (!dimmed) {
 525                 flags = tny_header_get_flags (header);
 526                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 527                         dimmed = TRUE;
 528         }
 529
 530         if (header)
 531                 g_object_unref (header);
 532         return dimmed;
 533 }
 534
 535 gboolean
 536 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 537 {
 538         ModestDimmingRule *rule = NULL;
 539         gboolean dimmed = FALSE;
 540
 541         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 542         rule = MODEST_DIMMING_RULE (user_data);
 543
 544         if (MODEST_IS_HEADER_WINDOW (win))
 545                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
 546         else if (MODEST_IS_FOLDER_WINDOW (win))
 547                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
 548         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 549                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 550
 551         return dimmed;
 552 }
 553
 554
 555 static gboolean
 556 _forbid_outgoing_xfers (ModestWindow *window)
 557 {
 558         const gchar *account_name;
 559         TnyAccount *account;
 560         gboolean dimmed = FALSE;
 561
 562         account_name = modest_window_get_active_account (window);
 563         account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
 564                                                                account_name,
 565                                                                TNY_ACCOUNT_TYPE_STORE);
 566
 567         if (account) {
 568                 ModestProtocolType protocol_type;
 569
 570                 protocol_type = modest_tny_account_get_protocol_type (account);
 571                 dimmed  = modest_protocol_registry_protocol_type_has_tag
 572                         (modest_runtime_get_protocol_registry (),
 573                          protocol_type,
 574                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
 575
 576                 g_object_unref (account);
 577         }
 578         return dimmed;
 579 }
 580
 581 gboolean
 582 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 583 {
 584         ModestDimmingRule *rule = NULL;
 585         gboolean dimmed = FALSE;
 586
 587         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 588         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 589         rule = MODEST_DIMMING_RULE (user_data);
 590
 591         /* This could happen if we load the msg view window with a
 592            preview before loading the full message */
 593         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 594         if (!msg) {
 595                 return TRUE;
 596         } else {
 597                 g_object_unref (msg);
 598         }
 599
 600         /* Check dimmed rule */
 601         dimmed = _transfer_mode_enabled (win);
 602         if (dimmed)
 603                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 604
 605         if (!dimmed)
 606                 dimmed = _forbid_outgoing_xfers (win);
 607
 608         if (!dimmed) {
 609                 const DimmedState *state = modest_window_get_dimming_state (win);
 610                 if (state) {
 611                         dimmed = state->any_marked_as_deleted;
 612                         if (dimmed) {
 613                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 614                                 modest_dimming_rule_set_notification (rule, msg);
 615                                 g_free (msg);
 616                         }
 617                 }
 618         }
 619
 620         if (!dimmed) {
 621                 dimmed = _selected_msg_sent_in_progress (win);
 622                 if (dimmed)
 623                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 624         }
 625
 626         /* This could happen if we're viewing a message of the outbox
 627            that has been already sent */
 628         if (!dimmed)
 629                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 630
 631         if (!dimmed) {
 632                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 633                         /* The move_to button should be dimmed when viewing an attachment,
 634                          * but should be enabled when viewing a message from the list,
 635                          * or when viewing a search result.
 636                          */
 637                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 638                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 639                         }
 640                 }
 641                 if (dimmed)
 642                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 643         }
 644
 645         return dimmed;
 646 }
 647
 648 gboolean
 649 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
 650 {
 651         ModestDimmingRule *rule = NULL;
 652         gboolean dimmed = FALSE;
 653
 654         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 655         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 656         rule = MODEST_DIMMING_RULE (user_data);
 657
 658         /* This could happen if we load the msg view window with a
 659            preview before loading the full message */
 660         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 661                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 662                 if (!msg) {
 663                         return TRUE;
 664                 } else {
 665                         g_object_unref (msg);
 666                 }
 667         }
 668
 669         /* Check dimmed rule */
 670         dimmed = _transfer_mode_enabled (win);
 671         if (dimmed)
 672                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 673
 674         return dimmed;
 675 }
 676
 677
 678 gboolean
 679 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 680 {
 681         ModestDimmingRule *rule = NULL;
 682         gboolean dimmed = FALSE;
 683         GtkWidget *focused = NULL;
 684
 685         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 686         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 687         rule = MODEST_DIMMING_RULE (user_data);
 688
 689         focused = gtk_window_get_focus (GTK_WINDOW (win));
 690
 691
 692         if (!dimmed && GTK_IS_ENTRY (focused)) {
 693                 const gchar *current_text;
 694                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
 695                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
 696         }
 697
 698         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
 699                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
 700                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
 701         }
 702
 703         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
 704                 dimmed = FALSE;
 705         return dimmed;
 706 }
 707
 708 gboolean
 709 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 710 {
 711         ModestDimmingRule *rule = NULL;
 712         gboolean dimmed = FALSE;
 713
 714         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 715         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 716         rule = MODEST_DIMMING_RULE (user_data);
 717
 718         /* Check dimmed rule */
 719         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 720
 721         if (!dimmed) {
 722                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 723                 if (dimmed) {
 724                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 725                 }
 726         }
 727
 728         return dimmed;
 729 }
 730
 731 #ifdef MODEST_TOOLKIT_HILDON2
 732 static gboolean
 733 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
 734 {
 735         gint n_attachments;
 736         TnyList *attachments;
 737         gboolean result = FALSE;
 738
 739         /* Get atachments */
 740         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
 741         n_attachments = tny_list_get_length (attachments);
 742
 743         /* Check unique */
 744         if (!result) {
 745                 result = n_attachments < 1;
 746         }
 747
 748         /* Check attached type (view operation not required) */
 749         if (!result)  {
 750                 gint n_valid = 0;
 751
 752                 TnyIterator *iter;
 753                 iter = tny_list_create_iterator (attachments);
 754                 while (!tny_iterator_is_done (iter)) {
 755                         gboolean is_valid = TRUE;
 756                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
 757                         TnyList *nested_list = tny_simple_list_new ();
 758                         tny_mime_part_get_parts (mime_part, nested_list);
 759
 760                         if (tny_mime_part_is_purged (mime_part)) {
 761                                 is_valid = FALSE;
 762                         }
 763
 764                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
 765                                 TnyMsg *window_msg;
 766                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 767                                 if (window_msg) {
 768                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
 769                                                 is_valid = FALSE;
 770                                         }
 771                                         g_object_unref (window_msg);
 772                                 }
 773                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
 774                                         is_valid = FALSE;
 775                                 }
 776                         }
 777                         g_object_unref (nested_list);
 778                         g_object_unref (mime_part);
 779                         tny_iterator_next (iter);
 780
 781                         if (is_valid)
 782                                 n_valid++;
 783                 }
 784                 g_object_unref (iter);
 785                 result = (n_valid == 0);
 786         }
 787         g_object_unref (attachments);
 788         return result;
 789
 790 }
 791 #endif
 792
 793 gboolean
 794 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 795 {
 796         ModestDimmingRule *rule = NULL;
 797         gboolean dimmed = FALSE;
 798
 799         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 800         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 801         rule = MODEST_DIMMING_RULE (user_data);
 802
 803         /* Check dimmed rule */
 804
 805         dimmed = _not_valid_attachments (win, TRUE);
 806         return dimmed;
 807 }
 808
 809 gboolean
 810 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 811 {
 812         ModestDimmingRule *rule = NULL;
 813         const DimmedState *state = NULL;
 814         gboolean dimmed = FALSE;
 815
 816         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 817         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 818         rule = MODEST_DIMMING_RULE (user_data);
 819         state = modest_window_get_dimming_state (win);
 820
 821
 822         /* Check in view window if there's any attachment selected */
 823         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 824                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 825                 if (dimmed)
 826                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 827         }
 828
 829         if (!dimmed) {
 830
 831                 dimmed = _selected_msg_sent_in_progress (win);
 832                 if (dimmed) {
 833                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 834                 }
 835         }
 836
 837         /* cannot purge in editable drafts nor pop folders */
 838         if (!dimmed) {
 839                 dimmed = _invalid_folder_for_purge (win, rule);
 840                 if (dimmed)
 841                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 842         }
 843
 844         /* Check if all attachments are already purged */
 845         if (!dimmed) {
 846                 dimmed = _purged_attach_selected (win, TRUE, rule);
 847         }
 848
 849         return dimmed;
 850 }
 851
 852 gboolean
 853 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 854 {
 855         ModestDimmingRule *rule = NULL;
 856         gboolean dimmed = FALSE;
 857
 858         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 859         rule = MODEST_DIMMING_RULE (user_data);
 860
 861         /* Check dimmed rule */
 862         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
 863                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
 864         }
 865
 866         return dimmed;
 867 }
 868
 869 gboolean
 870 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
 871 {
 872         ModestDimmingRule *rule = NULL;
 873         gboolean dimmed = FALSE;
 874
 875         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 876         rule = MODEST_DIMMING_RULE (user_data);
 877
 878         /* Check dimmed rule */
 879         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 880                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
 881         }
 882
 883         return dimmed;
 884 }
 885
 886 gboolean
 887 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 888 {
 889         ModestDimmingRule *rule = NULL;
 890         const DimmedState *state = NULL;
 891         gboolean dimmed = FALSE;
 892
 893         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 894         rule = MODEST_DIMMING_RULE (user_data);
 895         state = modest_window_get_dimming_state (win);
 896
 897         /* Check common dimming rules */
 898         dimmed = _invalid_clipboard_selected (win, rule);
 899
 900         return dimmed;
 901 }
 902
 903 gboolean
 904 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 905 {
 906         ModestDimmingRule *rule = NULL;
 907         const DimmedState *state = NULL;
 908         gboolean dimmed = FALSE;
 909
 910         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 911         rule = MODEST_DIMMING_RULE (user_data);
 912         state = modest_window_get_dimming_state (win);
 913
 914         /* Check common dimming rules */
 915         dimmed = _invalid_clipboard_selected (win, rule);
 916
 917         return dimmed;
 918 }
 919
 920 gboolean
 921 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
 922 {
 923         ModestDimmingRule *rule = NULL;
 924         gboolean dimmed = FALSE;
 925
 926         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 927         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 928         rule = MODEST_DIMMING_RULE (user_data);
 929
 930         /* Check common dimming rules */
 931         ModestMsgEditFormat format;
 932         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 933
 934         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
 935         if (dimmed)
 936                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
 937
 938         if (!dimmed) {
 939                 GtkWidget *body;
 940                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 941                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 942
 943                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 944                 if (dimmed)
 945                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 946         }
 947
 948
 949         return dimmed;
 950 }
 951
 952 gboolean
 953 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
 954 {
 955         ModestDimmingRule *rule = NULL;
 956         gboolean dimmed = FALSE;
 957
 958         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 959         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 960         rule = MODEST_DIMMING_RULE (user_data);
 961
 962         GtkWidget *body;
 963         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 964                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 965
 966         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 967         if (dimmed)
 968                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 969
 970         return dimmed;
 971 }
 972
 973 gboolean
 974 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
 975 {
 976         ModestDimmingRule *rule = NULL;
 977         gboolean dimmed = FALSE;
 978         GtkWidget *focused = NULL;
 979
 980         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 981         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 982         rule = MODEST_DIMMING_RULE (user_data);
 983
 984         focused = gtk_window_get_focus (GTK_WINDOW (win));
 985
 986         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
 987
 988         if (!dimmed) {
 989                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
 990         }
 991
 992         if (!dimmed) {
 993                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
 994                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
 995
 996                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
 997                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
 998         }
 999
1000         return dimmed;
1001 }
1002
1003 gboolean
1004 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1005 {
1006         ModestDimmingRule *rule = NULL;
1007         gboolean dimmed = FALSE;
1008         TnyList *selected_attachments = NULL;
1009         gint n_att_selected = 0;
1010         GtkWidget *attachments_view;
1011
1012         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1013         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1014         rule = MODEST_DIMMING_RULE (user_data);
1015
1016         attachments_view = modest_msg_edit_window_get_child_widget (
1017                                                                     MODEST_MSG_EDIT_WINDOW (win),
1018                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1019
1020         selected_attachments = modest_attachments_view_get_attachments (
1021                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1022         n_att_selected = tny_list_get_length (selected_attachments);
1023         g_object_unref (selected_attachments);
1024
1025         dimmed = (n_att_selected < 1);
1026
1027         return dimmed;
1028 }
1029
1030 gboolean
1031 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1032 {
1033         ModestDimmingRule *rule = NULL;
1034         gboolean dimmed = FALSE;
1035         GtkWidget *body_field;
1036
1037         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1038         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1039         rule = MODEST_DIMMING_RULE (user_data);
1040
1041         body_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1042                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1043
1044         if (!dimmed) {
1045                 GtkWidget *to_field, *cc_field, *bcc_field;
1046                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1047                 cc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1048                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1049                 to_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1050                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1051                 bcc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1052                                                                      MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1053                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1054                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1055                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1056
1057                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1058                            gtk_text_buffer_get_char_count (cc_buffer) +
1059                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1060                 if (dimmed)
1061                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1062         }
1063
1064         return dimmed;
1065 }
1066
1067 gboolean
1068 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1069 {
1070         ModestDimmingRule *rule = NULL;
1071         gboolean dimmed = FALSE;
1072
1073         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1074         rule = MODEST_DIMMING_RULE (user_data);
1075
1076         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1077
1078         /* Check dimmed rule */
1079         dimmed = _transfer_mode_enabled (win);
1080         if (dimmed)
1081                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1082
1083         if (!dimmed) {
1084                 dimmed = modest_msg_view_window_first_message_selected (
1085                                 MODEST_MSG_VIEW_WINDOW(win));
1086                 modest_dimming_rule_set_notification (rule, NULL);
1087         }
1088
1089         return dimmed;
1090 }
1091
1092 gboolean
1093 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1094 {
1095         ModestDimmingRule *rule = NULL;
1096         gboolean dimmed = FALSE;
1097
1098         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1099         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1100         rule = MODEST_DIMMING_RULE (user_data);
1101
1102         /* Check dimmed rule */
1103         dimmed = _transfer_mode_enabled (win);
1104         if (dimmed)
1105                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1106
1107         if (!dimmed) {
1108                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1109                 modest_dimming_rule_set_notification (rule, NULL);
1110         }
1111
1112         return dimmed;
1113 }
1114
1115
1116 gboolean
1117 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1118 {
1119         gboolean dimmed;
1120         ModestAccountMgr *mgr;
1121
1122         mgr = modest_runtime_get_account_mgr();
1123         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1124
1125         /* Dimm it if we only have metaaccounts */
1126         if (!dimmed) {
1127                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1128                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1129
1130                 if (account_names) {
1131                         ModestProtocolType store_protocol;
1132                         gboolean found = FALSE;
1133                         GSList *iter = account_names;
1134                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1135
1136                         while (iter && !found) {
1137                                 gchar* account_name;
1138
1139                                 account_name = (gchar *) iter->data;
1140                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1141
1142                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1143                                         found = TRUE;
1144                                 else
1145                                         iter = g_slist_next (iter);
1146                         }
1147                         modest_account_mgr_free_account_names (account_names);
1148                         dimmed = !found;
1149                 }
1150         }
1151
1152         return dimmed;
1153 }
1154
1155 gboolean
1156 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1157 {
1158         /* We dim if no msg send is in progress (and then cancelling send all has no
1159          * effect */
1160         return !_msgs_send_in_progress ();
1161 }
1162
1163 gboolean
1164 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1165 {
1166         ModestDimmingRule *rule = NULL;
1167         gboolean dimmed = FALSE;
1168         ModestAccountMgr *mgr;
1169         const gchar* account_name;
1170
1171         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1172         rule = MODEST_DIMMING_RULE (user_data);
1173         mgr = modest_runtime_get_account_mgr();
1174
1175         /* Check dimmed rule */
1176         account_name = modest_window_get_active_account (win);
1177
1178         if (account_name)
1179                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1180         else
1181                 dimmed = TRUE;
1182
1183         if (dimmed)
1184                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1185
1186         return dimmed;
1187 }
1188
1189 gboolean
1190 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1191 {
1192         ModestDimmingRule *rule = NULL;
1193         gboolean dimmed = FALSE;
1194
1195         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1196         rule = MODEST_DIMMING_RULE (user_data);
1197
1198         /* Check dimmed rule */
1199         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1200         if (g_slist_length (account_names) < 1)
1201                 dimmed = TRUE;
1202         if (dimmed)
1203                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1204
1205         modest_account_mgr_free_account_names (account_names);
1206
1207         if (!dimmed) {
1208                 dimmed = _send_receive_in_progress (win);
1209         }
1210
1211         return dimmed;
1212 }
1213
1214 gboolean
1215 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1216 {
1217         GSList *recipients;
1218         gboolean has_recipients_to_add;
1219
1220         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1221
1222         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1223                 TnyMsg *msg;
1224
1225                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1226
1227                 /* Message is loaded asynchronously, so this could happen */
1228                 if (!msg) {
1229                         TnyHeader *header;
1230
1231                         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1232                         if (!header)
1233                                 return TRUE;
1234
1235                         recipients = modest_tny_msg_header_get_all_recipients_list (header);
1236                         g_object_unref (header);
1237                 } else {
1238                         recipients = modest_tny_msg_get_all_recipients_list (msg);
1239                         g_object_unref (msg);
1240                 }
1241         } else if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1242                 /* Check if there are pending addresses to add */
1243                 return !modest_msg_edit_window_has_pending_addresses ((ModestMsgEditWindow *) win);
1244         }
1245
1246         has_recipients_to_add = FALSE;
1247
1248         if (recipients) {
1249                 GSList *node;
1250                 for (node = recipients; node != NULL; node = g_slist_next (node)) {
1251                         const gchar *recipient = (const gchar *) node->data;
1252                         if (modest_text_utils_validate_recipient (recipient, NULL)) {
1253                                 if (!modest_address_book_has_address (recipient)) {
1254                                         has_recipients_to_add = TRUE;
1255                                         break;
1256                                 }
1257                         }
1258                 }
1259                 g_slist_foreach (recipients, (GFunc) g_free, NULL);
1260                 g_slist_free (recipients);
1261         }
1262
1263         return !has_recipients_to_add;
1264 }
1265
1266 /* *********************** static utility functions ******************** */
1267
1268 static gboolean
1269 _selected_folder_is_any_of_type (ModestWindow *win,
1270                                  TnyFolderType types[],
1271                                  guint ntypes)
1272 {
1273         TnyFolderStore *folder = NULL;
1274         TnyFolderType folder_type;
1275         guint i=0;
1276         gboolean result = FALSE;
1277
1278         /*Get current folder */
1279         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1280                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1281                 for (i=0; i < ntypes; i++) {
1282                         result = result || folder_type == types[i];
1283                 }
1284         }
1285
1286         /* free */
1287         if (folder)
1288                 g_object_unref (folder);
1289
1290         return result;
1291 }
1292
1293 static gboolean
1294 _invalid_clipboard_selected (ModestWindow *win,
1295                              ModestDimmingRule *rule)
1296 {
1297         gboolean result = FALSE;
1298         GtkWidget *focused = NULL;
1299
1300         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1301
1302         /* Get focuesed widget */
1303         focused = gtk_window_get_focus (GTK_WINDOW (win));
1304
1305         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1306                 gboolean has_selection = FALSE;
1307                 if (GTK_IS_TEXT_VIEW (focused)) {
1308                         GtkTextBuffer *buffer = NULL;
1309                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1310                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
1311                 } else if (GTK_IS_EDITABLE (focused)) {
1312                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
1313                 }
1314                 result = !has_selection;
1315         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1316                 if (focused) {
1317                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
1318                         if (GTK_IS_LABEL (focused) &&
1319                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
1320                                 result = TRUE;
1321                         } else if (GTK_IS_TEXT_VIEW (focused)) {
1322                                 GtkTextBuffer *buffer;
1323                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1324                                 result = !gtk_text_buffer_get_has_selection (buffer);
1325                         } else if (GTK_IS_HTML (focused)) {
1326                                 const gchar *sel;
1327                                 int len = -1;
1328                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1329                                 result = ((sel == NULL) || (sel[0] == '\0'));
1330                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1331                                 result = TRUE;
1332                         } else {
1333                                 GtkClipboard *clipboard;
1334                                 gchar *selection;
1335
1336                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1337                                 /* Get clipboard selection*/
1338                                 selection = gtk_clipboard_wait_for_text (clipboard);
1339                                 /* Check dimming */
1340                                 result = (selection == NULL);
1341                                 g_free (selection);
1342                         }
1343                 } else {
1344                         result = TRUE;
1345                 }
1346                 if (result)
1347                         modest_dimming_rule_set_notification (rule, "");
1348         }
1349
1350         return result;
1351 }
1352
1353
1354 static gboolean
1355 _invalid_attach_selected (ModestWindow *win,
1356                           gboolean unique,
1357                           gboolean for_view,
1358                           gboolean for_remove,
1359                           ModestDimmingRule *rule)
1360 {
1361         TnyList *attachments;
1362         gint n_selected;
1363         gboolean nested_attachments = FALSE;
1364         gboolean selected_messages = FALSE;
1365         gboolean result = FALSE;
1366
1367         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1368
1369         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1370
1371                 /* Get selected atachments */
1372                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1373                 n_selected = tny_list_get_length (attachments);
1374
1375                 /* Check unique */
1376                 if (!result) {
1377                         if (unique)
1378                                 result = n_selected != 1;
1379                         else
1380
1381                                 result = n_selected < 1;
1382                 }
1383
1384                 /* Check attached type (view operation not required) */
1385                 if (!result && !for_view)  {
1386                         TnyIterator *iter;
1387                         iter = tny_list_create_iterator (attachments);
1388                         while (!tny_iterator_is_done (iter) && !result) {
1389                                 gboolean not_selectable = FALSE;
1390                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1391                                 TnyList *nested_list = tny_simple_list_new ();
1392                                 tny_mime_part_get_parts (mime_part, nested_list);
1393
1394                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
1395                                         TnyMsg *window_msg;
1396                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1397                                         if ((TnyMimePart *) window_msg != mime_part) {
1398                                                 selected_messages = TRUE;
1399                                                 not_selectable = TRUE;
1400                                         }
1401                                         g_object_unref (window_msg);
1402                                 }
1403                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1404                                         nested_attachments = TRUE;
1405                                         not_selectable = TRUE;
1406                                 }
1407                                 if (not_selectable)
1408                                         n_selected --;
1409                                 g_object_unref (nested_list);
1410                                 g_object_unref (mime_part);
1411                                 tny_iterator_next (iter);
1412                         }
1413                         g_object_unref (iter);
1414                 }
1415
1416                 /* No valid attachment available */
1417                 if (n_selected == 0)
1418                         result = TRUE;
1419
1420                 /* Set notifications */
1421                 if (result && rule != NULL) {
1422                         if (selected_messages) {
1423                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1424                         } else if (nested_attachments) {
1425                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1426                         } else if (n_selected == 0) {
1427                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1428                         } else if (unique) {
1429                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1430                         }
1431                 }
1432
1433                 /* Free */
1434                 g_object_unref (attachments);
1435         }
1436
1437         return result;
1438 }
1439
1440 static gboolean
1441 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1442 {
1443         TnyList *attachments = NULL;
1444         TnyIterator *iter;
1445         gint purged = 0;
1446         gint n_attachments = 0;
1447         gboolean result = FALSE;
1448
1449         /* This should check if _all_ the attachments are already purged. If only some
1450          * of them are purged, then it does not cause dim as there's a confirmation dialog
1451          * for removing only local attachments */
1452
1453         /* Get selected atachments */
1454         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1455                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1456         }
1457
1458         if (attachments == NULL)
1459                 return FALSE;
1460
1461         if (tny_list_get_length (attachments) == 0) {
1462                 g_object_unref (attachments);
1463                 return FALSE;
1464         }
1465
1466         iter = tny_list_create_iterator (attachments);
1467         while (!tny_iterator_is_done (iter)) {
1468                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1469                 if (tny_mime_part_is_purged (mime_part)) {
1470                         purged++;
1471                 }
1472                 n_attachments++;
1473                 g_object_unref (mime_part);
1474                 tny_iterator_next (iter);
1475         }
1476         g_object_unref (iter);
1477
1478         /* Free */
1479         g_object_unref (attachments);
1480
1481         if (all)
1482                 result = (purged == n_attachments);
1483         else
1484                 result = (purged > 0);
1485
1486         /* This string no longer exists, refer to NB#75415 for more info
1487         if (result && (rule != NULL))
1488                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1489         */
1490
1491         return result;
1492 }
1493
1494 static gboolean
1495 _msg_download_in_progress (ModestWindow *win)
1496 {
1497         gboolean result = FALSE;
1498
1499         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
1500
1501         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1502                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
1503         }
1504
1505         return result;
1506 }
1507
1508 static void
1509 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1510 {
1511         GSList **send_queues = (GSList **) userdata;
1512         *send_queues = g_slist_prepend (*send_queues, value);
1513 }
1514
1515 static gboolean
1516 _selected_msg_sent_in_progress (ModestWindow *win)
1517 {
1518         const DimmedState *state = modest_window_get_dimming_state (win);
1519         return (state) ? state->sent_in_progress : TRUE;
1520 }
1521
1522
1523 static gboolean
1524 _invalid_folder_for_purge (ModestWindow *win,
1525                            ModestDimmingRule *rule)
1526 {
1527         TnyFolder *folder = NULL;
1528         TnyAccount *account = NULL;
1529         gboolean result = FALSE;
1530
1531         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1532
1533                 /* Get folder and account of message */
1534                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1535                 g_return_val_if_fail(msg != NULL, TRUE);
1536                 folder = tny_msg_get_folder (msg);
1537                 g_object_unref (msg);
1538                 if (folder == NULL) {
1539                         result = TRUE;
1540                         goto frees;
1541                 }
1542         } else {
1543                 g_return_val_if_reached (FALSE);
1544         }
1545         account = modest_tny_folder_get_account (folder);
1546         if (account == NULL) goto frees;
1547
1548         /* Check account */
1549         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1550                 TnyFolderType types[2];
1551                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1552                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1553
1554                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1555                         result = TRUE;
1556                 }
1557         } else {
1558                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
1559                 /* If it's a remote folder then dim */
1560                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1561                                                                     protocol_type,
1562                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
1563                         result = TRUE;
1564                 }
1565         }
1566
1567 frees:
1568         if (folder != NULL)
1569                 g_object_unref (folder);
1570         if (account != NULL)
1571                 g_object_unref (account);
1572
1573         return result;
1574 }
1575
1576 static gboolean
1577 _transfer_mode_enabled (ModestWindow *win)
1578 {
1579         gboolean result = FALSE;
1580
1581         /* Check dimming */
1582         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1583                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1584         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
1585                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
1586         } else if (MODEST_IS_HEADER_WINDOW (win)) {
1587                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
1588         } else {
1589                 g_warning("_transfer_mode_enabled called with wrong window type");
1590         }
1591
1592         return result;
1593 }
1594
1595 static gboolean
1596 _all_msgs_in_sending_status (ModestHeaderView *header_view)
1597 {
1598         GtkTreeModel *model;
1599         GtkTreeIter iter;
1600         gboolean all_sending = TRUE;
1601
1602         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1603         if (gtk_tree_model_get_iter_first (model, &iter)) {
1604                 do {
1605                         TnyHeader *header;
1606
1607                         gtk_tree_model_get (model, &iter,
1608                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1609                                             &header,
1610                                             -1);
1611
1612                         if (header) {
1613                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
1614                                     MODEST_TNY_SEND_QUEUE_SENDING)
1615                                         all_sending = FALSE;
1616                                 g_object_unref (header);
1617                         }
1618
1619                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
1620         }
1621         return all_sending;
1622 }
1623
1624 gboolean
1625 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
1626                                            gpointer user_data)
1627 {
1628         ModestDimmingRule *rule = NULL;
1629
1630         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1631         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1632         rule = MODEST_DIMMING_RULE (user_data);
1633
1634         /* Check dimmed rule */
1635         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
1636 }
1637
1638 gboolean
1639 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
1640                                          gpointer user_data)
1641 {
1642         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1643
1644         ModestMsgEditFormat format =
1645           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1646
1647         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
1648 }
1649
1650 static gboolean
1651 _send_receive_in_progress (ModestWindow *win)
1652 {
1653         ModestMailOperationQueue *queue;
1654         GSList *op_list, *node;
1655         gboolean found_send_receive;
1656
1657         queue = modest_runtime_get_mail_operation_queue ();
1658         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
1659
1660         found_send_receive = FALSE;
1661         for (node = op_list; node != NULL; node = g_slist_next (node)) {
1662                 ModestMailOperation *op;
1663
1664                 op = (ModestMailOperation *) node->data;
1665                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
1666                         found_send_receive = TRUE;
1667                         break;
1668                 }
1669         }
1670
1671         if (op_list) {
1672                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
1673                 g_slist_free (op_list);
1674         }
1675
1676         return found_send_receive;
1677 }
1678
1679 static gboolean
1680 _msgs_send_in_progress (void)
1681 {
1682         ModestCacheMgr *cache_mgr;
1683         GHashTable *send_queue_cache;
1684         ModestTnySendQueue *send_queue;
1685         GSList *send_queues = NULL, *node = NULL;
1686         gboolean found = FALSE;
1687
1688         cache_mgr = modest_runtime_get_cache_mgr ();
1689         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1690                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1691
1692         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1693
1694         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
1695                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1696
1697                 /* Check if msg uid is being processed inside send queue */
1698                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
1699                         found = TRUE;
1700                         break;
1701                 }
1702         }
1703
1704         g_slist_free (send_queues);
1705
1706         return found;
1707 }
1708
1709 /*****************************************************************************/
1710 /********************** HILDON2 only dimming rules ***************************/
1711 /*****************************************************************************/
1712
1713 gboolean
1714 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1715 {
1716         ModestDimmingRule *rule = NULL;
1717         gboolean dimmed = FALSE;
1718
1719         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1720         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1721         rule = MODEST_DIMMING_RULE (user_data);
1722
1723         /* Check dimmed rule */
1724         dimmed = _transfer_mode_enabled (win);
1725         if (dimmed)
1726                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1727
1728         if (!dimmed)
1729                 dimmed = _forbid_outgoing_xfers (win);
1730
1731         if (!dimmed) {
1732                 GtkWidget *header_view;
1733                 TnyFolder *folder;
1734
1735                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1736                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1737                 if (folder) {
1738                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
1739                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
1740
1741                         if (!dimmed &&
1742                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
1743                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
1744                         }
1745                         g_object_unref (folder);
1746                 }
1747         }
1748
1749         return dimmed;
1750 }
1751
1752 gboolean
1753 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1754 {
1755         ModestDimmingRule *rule = NULL;
1756         gboolean dimmed = FALSE;
1757
1758         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1759         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1760         rule = MODEST_DIMMING_RULE (user_data);
1761
1762         /* Check dimmed rule */
1763         dimmed = _transfer_mode_enabled (win);
1764         if (dimmed)
1765                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1766
1767         if (!dimmed)
1768                 dimmed = _forbid_outgoing_xfers (win);
1769
1770         if (!dimmed && MODEST_IS_FOLDER_WINDOW (win)) {
1771                 ModestFolderView *folder_view;
1772                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1773                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1774                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1775         }
1776
1777         if (!dimmed) {
1778                 dimmed = _transfer_mode_enabled (win);
1779                 if (dimmed)
1780                         modest_dimming_rule_set_notification (rule, "");
1781         }
1782
1783         return dimmed;
1784 }
1785
1786 gboolean
1787 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1788 {
1789         ModestDimmingRule *rule = NULL;
1790         gboolean dimmed = FALSE;
1791
1792         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1793         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1794         rule = MODEST_DIMMING_RULE (user_data);
1795
1796         /* Check dimmed rule */
1797         dimmed = _transfer_mode_enabled (win);
1798         if (dimmed)
1799                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1800
1801         if (MODEST_IS_FOLDER_WINDOW (win)) {
1802                 ModestFolderView *folder_view;
1803                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1804                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1805                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1806         }
1807
1808         if (!dimmed) {
1809                 dimmed = _transfer_mode_enabled (win);
1810                 if (dimmed)
1811                         modest_dimming_rule_set_notification (rule, "");
1812         }
1813
1814         return dimmed;
1815 }
1816
1817 gboolean
1818 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
1819 {
1820         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
1821 }