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-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 <widgets/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 #ifdef MODEST_TOOLKIT_HILDON2
 210                 dimmed = modest_ui_dimming_rules_on_folder_window_delete (win, user_data);
 211 #else
 212                 dimmed = FALSE;
 213 #endif
 214         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 215
 216                 if (!dimmed)
 217                         dimmed = _transfer_mode_enabled (win);
 218
 219                 if (dimmed)
 220                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 221
 222                 if (!dimmed) {
 223                         GtkWidget *header_view;
 224                         TnyFolder *folder;
 225
 226                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 227                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 228                         if (folder) {
 229                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
 230                                         modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
 231
 232                                 if (!dimmed &&
 233                                     (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
 234                                         dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
 235                                 }
 236                                 g_object_unref (folder);
 237                         }
 238                 }
 239         }
 240
 241         return dimmed;
 242 }
 243
 244
 245 gboolean
 246 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 247 {
 248         gboolean dimmed = FALSE;
 249
 250         if (MODEST_IS_HEADER_WINDOW (win)) {
 251                 return FALSE;
 252         }
 253
 254         return dimmed;
 255 }
 256
 257 gboolean
 258 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 259 {
 260         ModestDimmingRule *rule = NULL;
 261         TnyFolderType types[4];
 262         gboolean dimmed = FALSE;
 263
 264         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 265         rule = MODEST_DIMMING_RULE (user_data);
 266
 267         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 268         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 269         types[2] = TNY_FOLDER_TYPE_SENT;
 270         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 271
 272         if (MODEST_IS_FOLDER_WINDOW (win)) {
 273                 ModestFolderView *folder_view;
 274                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
 275                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
 276                                                                        MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE);
 277         }
 278
 279         if (!dimmed) {
 280                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 281                 if (dimmed)
 282                         modest_dimming_rule_set_notification (rule, "");
 283         }
 284
 285         return dimmed;
 286 }
 287
 288
 289 gboolean
 290 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 291 {
 292         ModestDimmingRule *rule = NULL;
 293         gboolean dimmed = FALSE;
 294         TnyFolderType types[3];
 295
 296         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 297         rule = MODEST_DIMMING_RULE (user_data);
 298
 299         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 300         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 301         types[2] = TNY_FOLDER_TYPE_ROOT;
 302
 303         /* Check dimmed rule */
 304         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 305         if (dimmed)
 306                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 307
 308
 309         /* msg view window dimming rules */
 310         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 311
 312                 /* This could happen if we load the msg view window with a
 313                    preview before loading the full message */
 314                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 315                 if (!msg) {
 316                         dimmed = TRUE;
 317                 } else {
 318                         g_object_unref (msg);
 319                 }
 320
 321                 if (!dimmed) {
 322                         dimmed = _transfer_mode_enabled (win);
 323                         if (dimmed)
 324                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 325                 }
 326                 if (!dimmed) {
 327                         dimmed = _msg_download_in_progress (win);
 328                         if (dimmed)
 329                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 330                 }
 331         }
 332
 333         return dimmed;
 334 }
 335
 336
 337 gboolean
 338 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 339 {
 340         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 341
 342         return TRUE;
 343 }
 344
 345 static gboolean
 346 _message_already_sent (ModestMsgViewWindow *view_window)
 347 {
 348         TnyHeader *header;
 349         TnyFolder *folder;
 350         gboolean already_sent = FALSE;
 351
 352         header = modest_msg_view_window_get_header (view_window);
 353         if (header) {
 354                 folder = tny_header_get_folder (header);
 355                 if (folder) {
 356                         if (modest_tny_folder_guess_folder_type (folder) ==
 357                             TNY_FOLDER_TYPE_OUTBOX) {
 358                                 ModestTnySendQueueStatus status =
 359                                         modest_tny_all_send_queues_get_msg_status (header);
 360                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 361                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 362                                         already_sent = TRUE;
 363                         }
 364                         g_object_unref (folder);
 365                 }
 366                 g_object_unref (header);
 367         }
 368         return already_sent;
 369 }
 370
 371
 372 gboolean
 373 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 374 {
 375         ModestDimmingRule *rule = NULL;
 376         const DimmedState *state = NULL;
 377         gboolean dimmed = FALSE;
 378
 379         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 380         rule = MODEST_DIMMING_RULE (user_data);
 381         state = modest_window_get_dimming_state (win);
 382
 383         /* If we're in transfer mode then do not allow to delete messages */
 384         dimmed = _transfer_mode_enabled (win);
 385         if (dimmed) {
 386                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 387                 return dimmed;
 388         }
 389
 390         /* Check dimmed rule */
 391         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 392                 /* This could happen if we load the msg view window with a
 393                    preview before loading the full message */
 394                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 395                 if (!msg) {
 396                         dimmed = TRUE;
 397                 } else {
 398                         g_object_unref (msg);
 399                 }
 400
 401                 if (!dimmed) {
 402                         if (state)
 403                                 dimmed = state->any_marked_as_deleted;
 404                         if (dimmed) {
 405                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 406                                 modest_dimming_rule_set_notification (rule, msg);
 407                                 g_free (msg);
 408                         }
 409                 }
 410                 if (!dimmed) {
 411                         if (state)
 412                                 dimmed = state->sent_in_progress;
 413                         if (dimmed)
 414                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 415                 }
 416
 417                 /* This could happen if we're viewing a message of the
 418                    outbox that has been already sent */
 419                 if (!dimmed)
 420                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 421
 422                 /* The delete button should be dimmed when viewing an attachment,
 423                  * but should be enabled when viewing a message from the list,
 424                  * or when viewing a search result.
 425                  */
 426                 if (!dimmed) {
 427                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 428                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 429                                 if (dimmed) {
 430                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 431                                 }
 432                         }
 433                 }
 434         }
 435
 436         return dimmed;
 437 }
 438
 439 gboolean
 440 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 441 {
 442         ModestDimmingRule *rule = 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         {
 449                 /* Check dimmed rule */
 450                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 451                         dimmed = _msg_download_in_progress (win);
 452                 if (dimmed)
 453                         modest_dimming_rule_set_notification (rule, "");
 454         }
 455
 456         return dimmed;
 457 }
 458
 459 gboolean
 460 modest_ui_dimming_rules_on_fetch_images (ModestWindow *win, gpointer user_data)
 461 {
 462         gboolean dimmed = FALSE;
 463
 464         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 465
 466         dimmed = !modest_msg_view_window_has_blocked_external_images (MODEST_MSG_VIEW_WINDOW (win));
 467
 468         return dimmed;
 469 }
 470
 471
 472 gboolean
 473 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 474 {
 475         ModestDimmingRule *rule = NULL;
 476         TnyHeader *header;
 477         TnyHeaderFlags flags;
 478         gboolean dimmed = FALSE;
 479
 480
 481         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 482         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 483         rule = MODEST_DIMMING_RULE (user_data);
 484
 485         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 486         if (!header) {
 487                 dimmed = TRUE;
 488         }
 489
 490         /* If the viewer is showing a message sent as attachment */
 491         if (!dimmed)
 492                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 493
 494         if (!dimmed) {
 495                 flags = tny_header_get_flags (header);
 496                 if (flags & TNY_HEADER_FLAG_SEEN)
 497                         dimmed = TRUE;
 498         }
 499
 500         if (header)
 501                 g_object_unref (header);
 502         return dimmed;
 503 }
 504
 505
 506 gboolean
 507 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 508 {
 509         ModestDimmingRule *rule = NULL;
 510         TnyHeader *header;
 511         TnyHeaderFlags flags;
 512         gboolean dimmed = FALSE;
 513
 514
 515         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 516         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 517         rule = MODEST_DIMMING_RULE (user_data);
 518
 519         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 520         if (!header) {
 521                 dimmed = TRUE;
 522         }
 523
 524         /* If the viewer is showing a message sent as attachment */
 525         if (!dimmed)
 526                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 527
 528         if (!dimmed) {
 529                 flags = tny_header_get_flags (header);
 530                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 531                         dimmed = TRUE;
 532         }
 533
 534         if (header)
 535                 g_object_unref (header);
 536         return dimmed;
 537 }
 538
 539 gboolean
 540 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 541 {
 542         ModestDimmingRule *rule = NULL;
 543         gboolean dimmed = FALSE;
 544
 545         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 546         rule = MODEST_DIMMING_RULE (user_data);
 547
 548         if (MODEST_IS_HEADER_WINDOW (win))
 549 #ifdef MODEST_TOOLKIT_HILDON2
 550                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
 551 #else
 552         dimmed = TRUE;
 553 #endif
 554         else if (MODEST_IS_FOLDER_WINDOW (win))
 555 #ifdef MODEST_TOOLKIT_HILDON2
 556                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
 557 #else
 558         dimmed = TRUE;
 559 #endif
 560         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 561                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 562
 563         return dimmed;
 564 }
 565
 566
 567 static gboolean
 568 _forbid_outgoing_xfers (ModestWindow *window)
 569 {
 570         const gchar *account_name;
 571         TnyAccount *account;
 572         gboolean dimmed = FALSE;
 573
 574         account_name = modest_window_get_active_account (window);
 575         account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
 576                                                                account_name,
 577                                                                TNY_ACCOUNT_TYPE_STORE);
 578
 579         if (account) {
 580                 ModestProtocolType protocol_type;
 581
 582                 protocol_type = modest_tny_account_get_protocol_type (account);
 583                 dimmed  = modest_protocol_registry_protocol_type_has_tag
 584                         (modest_runtime_get_protocol_registry (),
 585                          protocol_type,
 586                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
 587
 588                 g_object_unref (account);
 589         }
 590         return dimmed;
 591 }
 592
 593 gboolean
 594 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 595 {
 596         ModestDimmingRule *rule = NULL;
 597         gboolean dimmed = FALSE;
 598
 599         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 600         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 601         rule = MODEST_DIMMING_RULE (user_data);
 602
 603         /* This could happen if we load the msg view window with a
 604            preview before loading the full message */
 605         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 606         if (!msg) {
 607                 return TRUE;
 608         } else {
 609                 g_object_unref (msg);
 610         }
 611
 612         /* Check dimmed rule */
 613         dimmed = _transfer_mode_enabled (win);
 614         if (dimmed)
 615                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 616
 617         if (!dimmed)
 618                 dimmed = _forbid_outgoing_xfers (win);
 619
 620         if (!dimmed) {
 621                 const DimmedState *state = modest_window_get_dimming_state (win);
 622                 if (state) {
 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         }
 631
 632         if (!dimmed) {
 633                 dimmed = _selected_msg_sent_in_progress (win);
 634                 if (dimmed)
 635                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 636         }
 637
 638         /* This could happen if we're viewing a message of the outbox
 639            that has been already sent */
 640         if (!dimmed)
 641                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 642
 643         if (!dimmed) {
 644                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 645                         /* The move_to button should be dimmed when viewing an attachment,
 646                          * but should be enabled when viewing a message from the list,
 647                          * or when viewing a search result.
 648                          */
 649                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 650                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 651                         }
 652                 }
 653                 if (dimmed)
 654                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 655         }
 656
 657         return dimmed;
 658 }
 659
 660 gboolean
 661 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
 662 {
 663         ModestDimmingRule *rule = NULL;
 664         gboolean dimmed = FALSE;
 665
 666         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 667         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 668         rule = MODEST_DIMMING_RULE (user_data);
 669
 670         /* This could happen if we load the msg view window with a
 671            preview before loading the full message */
 672         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 673                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 674                 if (!msg) {
 675                         return TRUE;
 676                 } else {
 677                         g_object_unref (msg);
 678                 }
 679         }
 680
 681         /* Check dimmed rule */
 682         dimmed = _transfer_mode_enabled (win);
 683         if (dimmed)
 684                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 685
 686         return dimmed;
 687 }
 688
 689
 690 gboolean
 691 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 692 {
 693         ModestDimmingRule *rule = NULL;
 694         gboolean dimmed = FALSE;
 695         GtkWidget *focused = NULL;
 696
 697         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 698         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 699         rule = MODEST_DIMMING_RULE (user_data);
 700
 701         focused = gtk_window_get_focus (GTK_WINDOW (win));
 702
 703
 704         if (!dimmed && GTK_IS_ENTRY (focused)) {
 705                 const gchar *current_text;
 706                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
 707                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
 708         }
 709
 710         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
 711                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
 712                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
 713         }
 714
 715         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
 716                 dimmed = FALSE;
 717         return dimmed;
 718 }
 719
 720 gboolean
 721 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 722 {
 723         ModestDimmingRule *rule = NULL;
 724         gboolean dimmed = FALSE;
 725
 726         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 727         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 728         rule = MODEST_DIMMING_RULE (user_data);
 729
 730         /* Check dimmed rule */
 731         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 732
 733         if (!dimmed) {
 734                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 735                 if (dimmed) {
 736                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 737                 }
 738         }
 739
 740         return dimmed;
 741 }
 742
 743 static gboolean
 744 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
 745 {
 746         gint n_attachments;
 747         TnyList *attachments;
 748         gboolean result = FALSE;
 749
 750         /* Get atachments */
 751         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
 752         n_attachments = tny_list_get_length (attachments);
 753
 754         /* Check unique */
 755         if (!result) {
 756                 result = n_attachments < 1;
 757         }
 758
 759         /* Check attached type (view operation not required) */
 760         if (!result)  {
 761                 gint n_valid = 0;
 762
 763                 TnyIterator *iter;
 764                 iter = tny_list_create_iterator (attachments);
 765                 while (!tny_iterator_is_done (iter)) {
 766                         gboolean is_valid = TRUE;
 767                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
 768                         TnyList *nested_list = tny_simple_list_new ();
 769                         tny_mime_part_get_parts (mime_part, nested_list);
 770
 771                         if (tny_mime_part_is_purged (mime_part)) {
 772                                 is_valid = FALSE;
 773                         }
 774
 775                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
 776                                 TnyMsg *window_msg;
 777                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 778                                 if (window_msg) {
 779                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
 780                                                 is_valid = FALSE;
 781                                         }
 782                                         g_object_unref (window_msg);
 783                                 }
 784                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
 785                                         is_valid = FALSE;
 786                                 }
 787                         }
 788                         g_object_unref (nested_list);
 789                         g_object_unref (mime_part);
 790                         tny_iterator_next (iter);
 791
 792                         if (is_valid)
 793                                 n_valid++;
 794                 }
 795                 g_object_unref (iter);
 796                 result = (n_valid == 0);
 797         }
 798         g_object_unref (attachments);
 799         return result;
 800
 801 }
 802
 803 gboolean
 804 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 805 {
 806         ModestDimmingRule *rule = NULL;
 807         gboolean dimmed = FALSE;
 808
 809         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 810         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 811         rule = MODEST_DIMMING_RULE (user_data);
 812
 813         /* Check dimmed rule */
 814
 815         dimmed = _not_valid_attachments (win, TRUE);
 816         return dimmed;
 817 }
 818
 819 gboolean
 820 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 821 {
 822         ModestDimmingRule *rule = NULL;
 823         const DimmedState *state = NULL;
 824         gboolean dimmed = FALSE;
 825
 826         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 827         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 828         rule = MODEST_DIMMING_RULE (user_data);
 829         state = modest_window_get_dimming_state (win);
 830
 831
 832         /* Check in view window if there's any attachment selected */
 833         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 834                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 835                 if (dimmed)
 836                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 837         }
 838
 839         if (!dimmed) {
 840
 841                 dimmed = _selected_msg_sent_in_progress (win);
 842                 if (dimmed) {
 843                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 844                 }
 845         }
 846
 847         /* cannot purge in editable drafts nor pop folders */
 848         if (!dimmed) {
 849                 dimmed = _invalid_folder_for_purge (win, rule);
 850                 if (dimmed)
 851                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 852         }
 853
 854         /* Check if all attachments are already purged */
 855         if (!dimmed) {
 856                 dimmed = _purged_attach_selected (win, TRUE, rule);
 857         }
 858
 859         return dimmed;
 860 }
 861
 862 gboolean
 863 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 864 {
 865         ModestDimmingRule *rule = NULL;
 866         gboolean dimmed = FALSE;
 867
 868         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 869         rule = MODEST_DIMMING_RULE (user_data);
 870
 871         /* Check dimmed rule */
 872         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
 873                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
 874         }
 875
 876         return dimmed;
 877 }
 878
 879 gboolean
 880 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
 881 {
 882         ModestDimmingRule *rule = NULL;
 883         gboolean dimmed = FALSE;
 884
 885         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 886         rule = MODEST_DIMMING_RULE (user_data);
 887
 888         /* Check dimmed rule */
 889         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 890                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
 891         }
 892
 893         return dimmed;
 894 }
 895
 896 gboolean
 897 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 898 {
 899         ModestDimmingRule *rule = NULL;
 900         const DimmedState *state = NULL;
 901         gboolean dimmed = FALSE;
 902
 903         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 904         rule = MODEST_DIMMING_RULE (user_data);
 905         state = modest_window_get_dimming_state (win);
 906
 907         /* Check common dimming rules */
 908         dimmed = _invalid_clipboard_selected (win, rule);
 909
 910         return dimmed;
 911 }
 912
 913 gboolean
 914 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 915 {
 916         ModestDimmingRule *rule = NULL;
 917         const DimmedState *state = NULL;
 918         gboolean dimmed = FALSE;
 919
 920         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 921         rule = MODEST_DIMMING_RULE (user_data);
 922         state = modest_window_get_dimming_state (win);
 923
 924         /* Check common dimming rules */
 925         dimmed = _invalid_clipboard_selected (win, rule);
 926
 927         return dimmed;
 928 }
 929
 930 gboolean
 931 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
 932 {
 933         ModestDimmingRule *rule = NULL;
 934         gboolean dimmed = FALSE;
 935
 936         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 937         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 938         rule = MODEST_DIMMING_RULE (user_data);
 939
 940         /* Check common dimming rules */
 941         ModestMsgEditFormat format;
 942         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 943
 944         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
 945         if (dimmed)
 946                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
 947
 948         if (!dimmed) {
 949                 GtkWidget *body;
 950                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 951                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 952
 953                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 954                 if (dimmed)
 955                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 956         }
 957
 958
 959         return dimmed;
 960 }
 961
 962 gboolean
 963 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
 964 {
 965         ModestDimmingRule *rule = NULL;
 966         gboolean dimmed = FALSE;
 967
 968         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 969         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 970         rule = MODEST_DIMMING_RULE (user_data);
 971
 972         GtkWidget *body;
 973         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 974                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 975
 976         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 977         if (dimmed)
 978                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 979
 980         return dimmed;
 981 }
 982
 983 gboolean
 984 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
 985 {
 986         ModestDimmingRule *rule = NULL;
 987         gboolean dimmed = FALSE;
 988         GtkWidget *focused = NULL;
 989
 990         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 991         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 992         rule = MODEST_DIMMING_RULE (user_data);
 993
 994         focused = gtk_window_get_focus (GTK_WINDOW (win));
 995
 996         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
 997
 998         if (!dimmed) {
 999                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1000         }
1001
1002         if (!dimmed) {
1003                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1004                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1005
1006                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1007                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1008         }
1009
1010         return dimmed;
1011 }
1012
1013 gboolean
1014 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1015 {
1016         ModestDimmingRule *rule = NULL;
1017         gboolean dimmed = FALSE;
1018         TnyList *selected_attachments = NULL;
1019         gint n_att_selected = 0;
1020         GtkWidget *attachments_view;
1021
1022         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1023         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1024         rule = MODEST_DIMMING_RULE (user_data);
1025
1026         attachments_view = modest_msg_edit_window_get_child_widget (
1027                                                                     MODEST_MSG_EDIT_WINDOW (win),
1028                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1029
1030         selected_attachments = modest_attachments_view_get_attachments (
1031                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1032         n_att_selected = tny_list_get_length (selected_attachments);
1033         g_object_unref (selected_attachments);
1034
1035         dimmed = (n_att_selected < 1);
1036
1037         return dimmed;
1038 }
1039
1040 gboolean
1041 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1042 {
1043         ModestDimmingRule *rule = NULL;
1044         gboolean dimmed = FALSE;
1045         GtkWidget *body_field;
1046
1047         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1048         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1049         rule = MODEST_DIMMING_RULE (user_data);
1050
1051         body_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1052                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1053
1054         if (!dimmed) {
1055                 GtkWidget *to_field, *cc_field, *bcc_field;
1056                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1057                 cc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1058                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1059                 to_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1060                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1061                 bcc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1062                                                                      MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1063                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1064                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1065                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1066
1067                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1068                            gtk_text_buffer_get_char_count (cc_buffer) +
1069                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1070                 if (dimmed)
1071                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1072         }
1073
1074         return dimmed;
1075 }
1076
1077 gboolean
1078 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1079 {
1080         ModestDimmingRule *rule = NULL;
1081         gboolean dimmed = FALSE;
1082
1083         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1084         rule = MODEST_DIMMING_RULE (user_data);
1085
1086         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1087
1088         /* Check dimmed rule */
1089         dimmed = _transfer_mode_enabled (win);
1090         if (dimmed)
1091                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1092
1093         if (!dimmed) {
1094                 dimmed = modest_msg_view_window_first_message_selected (
1095                                 MODEST_MSG_VIEW_WINDOW(win));
1096                 modest_dimming_rule_set_notification (rule, NULL);
1097         }
1098
1099         return dimmed;
1100 }
1101
1102 gboolean
1103 modest_ui_dimming_rules_on_view_next (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
1117         if (!dimmed) {
1118                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1119                 modest_dimming_rule_set_notification (rule, NULL);
1120         }
1121
1122         return dimmed;
1123 }
1124
1125
1126 gboolean
1127 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1128 {
1129         gboolean dimmed;
1130         ModestAccountMgr *mgr;
1131
1132         mgr = modest_runtime_get_account_mgr();
1133         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1134
1135         /* Dimm it if we only have metaaccounts */
1136         if (!dimmed) {
1137                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1138                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1139
1140                 if (account_names) {
1141                         ModestProtocolType store_protocol;
1142                         gboolean found = FALSE;
1143                         GSList *iter = account_names;
1144                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1145
1146                         while (iter && !found) {
1147                                 gchar* account_name;
1148
1149                                 account_name = (gchar *) iter->data;
1150                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1151
1152                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1153                                         found = TRUE;
1154                                 else
1155                                         iter = g_slist_next (iter);
1156                         }
1157                         modest_account_mgr_free_account_names (account_names);
1158                         dimmed = !found;
1159                 }
1160         }
1161
1162         return dimmed;
1163 }
1164
1165 gboolean
1166 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1167 {
1168         /* We dim if no msg send is in progress (and then cancelling send all has no
1169          * effect */
1170         return !_msgs_send_in_progress ();
1171 }
1172
1173 gboolean
1174 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1175 {
1176         ModestDimmingRule *rule = NULL;
1177         gboolean dimmed = FALSE;
1178         ModestAccountMgr *mgr;
1179         const gchar* account_name;
1180
1181         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1182         rule = MODEST_DIMMING_RULE (user_data);
1183         mgr = modest_runtime_get_account_mgr();
1184
1185         /* Check dimmed rule */
1186         account_name = modest_window_get_active_account (win);
1187
1188         if (account_name)
1189                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1190         else
1191                 dimmed = TRUE;
1192
1193         if (dimmed)
1194                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1195
1196         return dimmed;
1197 }
1198
1199 gboolean
1200 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1201 {
1202         ModestDimmingRule *rule = NULL;
1203         gboolean dimmed = FALSE;
1204
1205         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1206         rule = MODEST_DIMMING_RULE (user_data);
1207
1208         /* Check dimmed rule */
1209         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1210         if (g_slist_length (account_names) < 1)
1211                 dimmed = TRUE;
1212         if (dimmed)
1213                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1214
1215         modest_account_mgr_free_account_names (account_names);
1216
1217         if (!dimmed) {
1218                 dimmed = _send_receive_in_progress (win);
1219         }
1220
1221         return dimmed;
1222 }
1223
1224 gboolean
1225 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1226 {
1227         GSList *recipients;
1228         gboolean has_recipients_to_add;
1229
1230         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1231
1232         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1233                 TnyMsg *msg;
1234
1235                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1236
1237                 /* Message is loaded asynchronously, so this could happen */
1238                 if (!msg) {
1239                         TnyHeader *header;
1240
1241                         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1242                         if (!header)
1243                                 return TRUE;
1244
1245                         recipients = modest_tny_msg_header_get_all_recipients_list (header);
1246                         g_object_unref (header);
1247                 } else {
1248                         recipients = modest_tny_msg_get_all_recipients_list (msg);
1249                         g_object_unref (msg);
1250                 }
1251         } else if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1252                 /* Check if there are pending addresses to add */
1253                 return !modest_msg_edit_window_has_pending_addresses ((ModestMsgEditWindow *) win);
1254         }
1255
1256         has_recipients_to_add = FALSE;
1257
1258         if (recipients) {
1259                 GSList *node;
1260                 for (node = recipients; node != NULL; node = g_slist_next (node)) {
1261                         const gchar *recipient = (const gchar *) node->data;
1262                         if (modest_text_utils_validate_recipient (recipient, NULL)) {
1263                                 if (!modest_address_book_has_address (recipient)) {
1264                                         has_recipients_to_add = TRUE;
1265                                         break;
1266                                 }
1267                         }
1268                 }
1269                 g_slist_foreach (recipients, (GFunc) g_free, NULL);
1270                 g_slist_free (recipients);
1271         }
1272
1273         return !has_recipients_to_add;
1274 }
1275
1276 /* *********************** static utility functions ******************** */
1277
1278 static gboolean
1279 _selected_folder_is_any_of_type (ModestWindow *win,
1280                                  TnyFolderType types[],
1281                                  guint ntypes)
1282 {
1283         TnyFolderStore *folder = NULL;
1284         TnyFolderType folder_type;
1285         guint i=0;
1286         gboolean result = FALSE;
1287
1288         /*Get current folder */
1289         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1290                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1291                 for (i=0; i < ntypes; i++) {
1292                         result = result || folder_type == types[i];
1293                 }
1294         }
1295
1296         /* free */
1297         if (folder)
1298                 g_object_unref (folder);
1299
1300         return result;
1301 }
1302
1303 static gboolean
1304 _invalid_clipboard_selected (ModestWindow *win,
1305                              ModestDimmingRule *rule)
1306 {
1307         gboolean result = FALSE;
1308         GtkWidget *focused = NULL;
1309
1310         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1311
1312         /* Get focuesed widget */
1313         focused = gtk_window_get_focus (GTK_WINDOW (win));
1314
1315         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1316                 gboolean has_selection = FALSE;
1317                 if (GTK_IS_TEXT_VIEW (focused)) {
1318                         GtkTextBuffer *buffer = NULL;
1319                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1320                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
1321                 } else if (GTK_IS_EDITABLE (focused)) {
1322                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
1323                 }
1324                 result = !has_selection;
1325         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1326                 if (focused) {
1327                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
1328                         if (GTK_IS_LABEL (focused) &&
1329                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
1330                                 result = TRUE;
1331                         } else if (GTK_IS_TEXT_VIEW (focused)) {
1332                                 GtkTextBuffer *buffer;
1333                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1334                                 result = !gtk_text_buffer_get_has_selection (buffer);
1335                         } else if (GTK_IS_HTML (focused)) {
1336                                 const gchar *sel;
1337                                 int len = -1;
1338                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1339                                 result = ((sel == NULL) || (sel[0] == '\0'));
1340                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1341                                 result = TRUE;
1342                         } else {
1343                                 GtkClipboard *clipboard;
1344                                 gchar *selection;
1345
1346                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1347                                 /* Get clipboard selection*/
1348                                 selection = gtk_clipboard_wait_for_text (clipboard);
1349                                 /* Check dimming */
1350                                 result = (selection == NULL);
1351                                 g_free (selection);
1352                         }
1353                 } else {
1354                         result = TRUE;
1355                 }
1356                 if (result)
1357                         modest_dimming_rule_set_notification (rule, "");
1358         }
1359
1360         return result;
1361 }
1362
1363
1364 static gboolean
1365 _invalid_attach_selected (ModestWindow *win,
1366                           gboolean unique,
1367                           gboolean for_view,
1368                           gboolean for_remove,
1369                           ModestDimmingRule *rule)
1370 {
1371         TnyList *attachments;
1372         gint n_selected;
1373         gboolean nested_attachments = FALSE;
1374         gboolean selected_messages = FALSE;
1375         gboolean result = FALSE;
1376
1377         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1378
1379         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1380
1381                 /* Get selected atachments */
1382                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1383                 n_selected = tny_list_get_length (attachments);
1384
1385                 /* Check unique */
1386                 if (!result) {
1387                         if (unique)
1388                                 result = n_selected != 1;
1389                         else
1390
1391                                 result = n_selected < 1;
1392                 }
1393
1394                 /* Check attached type (view operation not required) */
1395                 if (!result && !for_view)  {
1396                         TnyIterator *iter;
1397                         iter = tny_list_create_iterator (attachments);
1398                         while (!tny_iterator_is_done (iter) && !result) {
1399                                 gboolean not_selectable = FALSE;
1400                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1401                                 TnyList *nested_list = tny_simple_list_new ();
1402                                 tny_mime_part_get_parts (mime_part, nested_list);
1403
1404                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
1405                                         TnyMsg *window_msg;
1406                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1407                                         if ((TnyMimePart *) window_msg != mime_part) {
1408                                                 selected_messages = TRUE;
1409                                                 not_selectable = TRUE;
1410                                         }
1411                                         g_object_unref (window_msg);
1412                                 }
1413                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1414                                         nested_attachments = TRUE;
1415                                         not_selectable = TRUE;
1416                                 }
1417                                 if (not_selectable)
1418                                         n_selected --;
1419                                 g_object_unref (nested_list);
1420                                 g_object_unref (mime_part);
1421                                 tny_iterator_next (iter);
1422                         }
1423                         g_object_unref (iter);
1424                 }
1425
1426                 /* No valid attachment available */
1427                 if (n_selected == 0)
1428                         result = TRUE;
1429
1430                 /* Set notifications */
1431                 if (result && rule != NULL) {
1432                         if (selected_messages) {
1433                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1434                         } else if (nested_attachments) {
1435                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1436                         } else if (n_selected == 0) {
1437                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1438                         } else if (unique) {
1439                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1440                         }
1441                 }
1442
1443                 /* Free */
1444                 g_object_unref (attachments);
1445         }
1446
1447         return result;
1448 }
1449
1450 static gboolean
1451 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1452 {
1453         TnyList *attachments = NULL;
1454         TnyIterator *iter;
1455         gint purged = 0;
1456         gint n_attachments = 0;
1457         gboolean result = FALSE;
1458
1459         /* This should check if _all_ the attachments are already purged. If only some
1460          * of them are purged, then it does not cause dim as there's a confirmation dialog
1461          * for removing only local attachments */
1462
1463         /* Get selected atachments */
1464         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1465                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1466         }
1467
1468         if (attachments == NULL)
1469                 return FALSE;
1470
1471         if (tny_list_get_length (attachments) == 0) {
1472                 g_object_unref (attachments);
1473                 return FALSE;
1474         }
1475
1476         iter = tny_list_create_iterator (attachments);
1477         while (!tny_iterator_is_done (iter)) {
1478                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1479                 if (tny_mime_part_is_purged (mime_part)) {
1480                         purged++;
1481                 }
1482                 n_attachments++;
1483                 g_object_unref (mime_part);
1484                 tny_iterator_next (iter);
1485         }
1486         g_object_unref (iter);
1487
1488         /* Free */
1489         g_object_unref (attachments);
1490
1491         if (all)
1492                 result = (purged == n_attachments);
1493         else
1494                 result = (purged > 0);
1495
1496         /* This string no longer exists, refer to NB#75415 for more info
1497         if (result && (rule != NULL))
1498                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1499         */
1500
1501         return result;
1502 }
1503
1504 static gboolean
1505 _msg_download_in_progress (ModestWindow *win)
1506 {
1507         gboolean result = FALSE;
1508
1509         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
1510
1511         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1512                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
1513         }
1514
1515         return result;
1516 }
1517
1518 static void
1519 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1520 {
1521         GSList **send_queues = (GSList **) userdata;
1522         *send_queues = g_slist_prepend (*send_queues, value);
1523 }
1524
1525 static gboolean
1526 _selected_msg_sent_in_progress (ModestWindow *win)
1527 {
1528         const DimmedState *state = modest_window_get_dimming_state (win);
1529         return (state) ? state->sent_in_progress : TRUE;
1530 }
1531
1532
1533 static gboolean
1534 _invalid_folder_for_purge (ModestWindow *win,
1535                            ModestDimmingRule *rule)
1536 {
1537         TnyFolder *folder = NULL;
1538         TnyAccount *account = NULL;
1539         gboolean result = FALSE;
1540
1541         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1542
1543                 /* Get folder and account of message */
1544                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1545                 g_return_val_if_fail(msg != NULL, TRUE);
1546                 folder = tny_msg_get_folder (msg);
1547                 g_object_unref (msg);
1548                 if (folder == NULL) {
1549                         result = TRUE;
1550                         goto frees;
1551                 }
1552         } else {
1553                 g_return_val_if_reached (FALSE);
1554         }
1555         account = modest_tny_folder_get_account (folder);
1556         if (account == NULL) goto frees;
1557
1558         /* Check account */
1559         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1560                 TnyFolderType types[2];
1561                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1562                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1563
1564                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1565                         result = TRUE;
1566                 }
1567         } else {
1568                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
1569                 /* If it's a remote folder then dim */
1570                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1571                                                                     protocol_type,
1572                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
1573                         result = TRUE;
1574                 }
1575         }
1576
1577 frees:
1578         if (folder != NULL)
1579                 g_object_unref (folder);
1580         if (account != NULL)
1581                 g_object_unref (account);
1582
1583         return result;
1584 }
1585
1586 static gboolean
1587 _transfer_mode_enabled (ModestWindow *win)
1588 {
1589         gboolean result = FALSE;
1590
1591         /* Check dimming */
1592         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1593                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1594         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
1595                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
1596         } else if (MODEST_IS_HEADER_WINDOW (win)) {
1597                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
1598         } else {
1599                 g_warning("_transfer_mode_enabled called with wrong window type");
1600         }
1601
1602         return result;
1603 }
1604
1605 static gboolean
1606 _all_msgs_in_sending_status (ModestHeaderView *header_view)
1607 {
1608         GtkTreeModel *model;
1609         GtkTreeIter iter;
1610         gboolean all_sending = TRUE;
1611
1612         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1613         if (gtk_tree_model_get_iter_first (model, &iter)) {
1614                 do {
1615                         TnyHeader *header;
1616
1617                         gtk_tree_model_get (model, &iter,
1618                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1619                                             &header,
1620                                             -1);
1621
1622                         if (header) {
1623                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
1624                                     MODEST_TNY_SEND_QUEUE_SENDING)
1625                                         all_sending = FALSE;
1626                                 g_object_unref (header);
1627                         }
1628
1629                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
1630         }
1631         return all_sending;
1632 }
1633
1634 gboolean
1635 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
1636                                            gpointer user_data)
1637 {
1638         ModestDimmingRule *rule = NULL;
1639
1640         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1641         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1642         rule = MODEST_DIMMING_RULE (user_data);
1643
1644         /* Check dimmed rule */
1645         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
1646 }
1647
1648 gboolean
1649 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
1650                                          gpointer user_data)
1651 {
1652         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1653
1654         ModestMsgEditFormat format =
1655           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1656
1657         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
1658 }
1659
1660 static gboolean
1661 _send_receive_in_progress (ModestWindow *win)
1662 {
1663         ModestMailOperationQueue *queue;
1664         GSList *op_list, *node;
1665         gboolean found_send_receive;
1666
1667         queue = modest_runtime_get_mail_operation_queue ();
1668         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
1669
1670         found_send_receive = FALSE;
1671         for (node = op_list; node != NULL; node = g_slist_next (node)) {
1672                 ModestMailOperation *op;
1673
1674                 op = (ModestMailOperation *) node->data;
1675                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
1676                         found_send_receive = TRUE;
1677                         break;
1678                 }
1679         }
1680
1681         if (op_list) {
1682                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
1683                 g_slist_free (op_list);
1684         }
1685
1686         return found_send_receive;
1687 }
1688
1689 static gboolean
1690 _msgs_send_in_progress (void)
1691 {
1692         ModestCacheMgr *cache_mgr;
1693         GHashTable *send_queue_cache;
1694         ModestTnySendQueue *send_queue;
1695         GSList *send_queues = NULL, *node = NULL;
1696         gboolean found = FALSE;
1697
1698         cache_mgr = modest_runtime_get_cache_mgr ();
1699         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1700                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1701
1702         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1703
1704         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
1705                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1706
1707                 /* Check if msg uid is being processed inside send queue */
1708                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
1709                         found = TRUE;
1710                         break;
1711                 }
1712         }
1713
1714         g_slist_free (send_queues);
1715
1716         return found;
1717 }
1718
1719 /*****************************************************************************/
1720 /********************** HILDON2 only dimming rules ***************************/
1721 /*****************************************************************************/
1722
1723 gboolean
1724 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1725 {
1726         ModestDimmingRule *rule = NULL;
1727         gboolean dimmed = FALSE;
1728
1729         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1730         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1731         rule = MODEST_DIMMING_RULE (user_data);
1732
1733         /* Check dimmed rule */
1734         dimmed = _transfer_mode_enabled (win);
1735         if (dimmed)
1736                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1737
1738         if (!dimmed)
1739                 dimmed = _forbid_outgoing_xfers (win);
1740
1741         if (!dimmed) {
1742                 GtkWidget *header_view;
1743                 TnyFolder *folder;
1744
1745                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1746                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1747                 if (folder) {
1748                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
1749                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
1750
1751                         if (!dimmed &&
1752                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
1753                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
1754                         }
1755                         g_object_unref (folder);
1756                 }
1757         }
1758
1759         return dimmed;
1760 }
1761
1762 gboolean
1763 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1764 {
1765         ModestDimmingRule *rule = NULL;
1766         gboolean dimmed = FALSE;
1767
1768         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1769         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1770         rule = MODEST_DIMMING_RULE (user_data);
1771
1772         /* Check dimmed rule */
1773         dimmed = _transfer_mode_enabled (win);
1774         if (dimmed)
1775                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1776
1777         if (!dimmed)
1778                 dimmed = _forbid_outgoing_xfers (win);
1779
1780         if (!dimmed && MODEST_IS_FOLDER_WINDOW (win)) {
1781                 ModestFolderView *folder_view;
1782                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1783                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1784                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1785         }
1786
1787         if (!dimmed) {
1788                 dimmed = _transfer_mode_enabled (win);
1789                 if (dimmed)
1790                         modest_dimming_rule_set_notification (rule, "");
1791         }
1792
1793         return dimmed;
1794 }
1795
1796 gboolean
1797 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1798 {
1799         ModestDimmingRule *rule = NULL;
1800         gboolean dimmed = FALSE;
1801
1802         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1803         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1804         rule = MODEST_DIMMING_RULE (user_data);
1805
1806         /* Check dimmed rule */
1807         dimmed = _transfer_mode_enabled (win);
1808         if (dimmed)
1809                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1810
1811         if (MODEST_IS_FOLDER_WINDOW (win)) {
1812                 ModestFolderView *folder_view;
1813                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1814                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1815                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1816         }
1817
1818         if (!dimmed) {
1819                 dimmed = _transfer_mode_enabled (win);
1820                 if (dimmed)
1821                         modest_dimming_rule_set_notification (rule, "");
1822         }
1823
1824         return dimmed;
1825 }
1826
1827 gboolean
1828 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
1829 {
1830         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
1831 }