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 = NULL;
 571         TnyAccount *account = NULL;
 572         gboolean dimmed = FALSE;
 573
 574 #ifdef MODEST_TOOLKIT_HILDON2
 575         /* We cannot just get the active account because the active
 576            account of a header window that shows the headers of a
 577            local account is the ID of the remote account */
 578         if (MODEST_IS_HEADER_WINDOW (window)) {
 579                 ModestHeaderView *header_view;
 580                 TnyFolder *folder;
 581
 582                 header_view = modest_header_window_get_header_view ((ModestHeaderWindow *) window);
 583                 folder = modest_header_view_get_folder (header_view);
 584
 585                 if (folder) {
 586                         account = modest_tny_folder_get_account (folder);
 587                         g_object_unref (folder);
 588                 }
 589         }
 590 #endif
 591
 592         if (!account) {
 593                 account_name = modest_window_get_active_account (window);
 594                 account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
 595                                                                        account_name,
 596                                                                        TNY_ACCOUNT_TYPE_STORE);
 597         }
 598
 599         if (account) {
 600                 ModestProtocolType protocol_type;
 601
 602                 protocol_type = modest_tny_account_get_protocol_type (account);
 603                 dimmed  = modest_protocol_registry_protocol_type_has_tag
 604                         (modest_runtime_get_protocol_registry (),
 605                          protocol_type,
 606                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
 607
 608                 g_object_unref (account);
 609         }
 610         return dimmed;
 611 }
 612
 613 gboolean
 614 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 615 {
 616         ModestDimmingRule *rule = NULL;
 617         gboolean dimmed = FALSE;
 618
 619         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 620         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 621         rule = MODEST_DIMMING_RULE (user_data);
 622
 623         /* This could happen if we load the msg view window with a
 624            preview before loading the full message */
 625         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 626         if (!msg) {
 627                 return TRUE;
 628         } else {
 629                 g_object_unref (msg);
 630         }
 631
 632         /* Check dimmed rule */
 633         dimmed = _transfer_mode_enabled (win);
 634         if (dimmed)
 635                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 636
 637         if (!dimmed)
 638                 dimmed = _forbid_outgoing_xfers (win);
 639
 640         if (!dimmed) {
 641                 const DimmedState *state = modest_window_get_dimming_state (win);
 642                 if (state) {
 643                         dimmed = state->any_marked_as_deleted;
 644                         if (dimmed) {
 645                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 646                                 modest_dimming_rule_set_notification (rule, msg);
 647                                 g_free (msg);
 648                         }
 649                 }
 650         }
 651
 652         if (!dimmed) {
 653                 dimmed = _selected_msg_sent_in_progress (win);
 654                 if (dimmed)
 655                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 656         }
 657
 658         /* This could happen if we're viewing a message of the outbox
 659            that has been already sent */
 660         if (!dimmed)
 661                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 662
 663         if (!dimmed) {
 664                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 665                         /* The move_to button should be dimmed when viewing an attachment,
 666                          * but should be enabled when viewing a message from the list,
 667                          * or when viewing a search result.
 668                          */
 669                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 670                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 671                         }
 672                 }
 673                 if (dimmed)
 674                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 675         }
 676
 677         return dimmed;
 678 }
 679
 680 gboolean
 681 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
 682 {
 683         ModestDimmingRule *rule = NULL;
 684         gboolean dimmed = FALSE;
 685
 686         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 687         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 688         rule = MODEST_DIMMING_RULE (user_data);
 689
 690         /* This could happen if we load the msg view window with a
 691            preview before loading the full message */
 692         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 693                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 694                 if (!msg) {
 695                         return TRUE;
 696                 } else {
 697                         g_object_unref (msg);
 698                 }
 699         }
 700
 701         /* Check dimmed rule */
 702         dimmed = _transfer_mode_enabled (win);
 703         if (dimmed)
 704                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 705
 706         return dimmed;
 707 }
 708
 709
 710 gboolean
 711 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 712 {
 713         ModestDimmingRule *rule = NULL;
 714         gboolean dimmed = FALSE;
 715         GtkWidget *focused = NULL;
 716
 717         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 718         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 719         rule = MODEST_DIMMING_RULE (user_data);
 720
 721         focused = gtk_window_get_focus (GTK_WINDOW (win));
 722
 723
 724         if (!dimmed && GTK_IS_ENTRY (focused)) {
 725                 const gchar *current_text;
 726                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
 727                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
 728         }
 729
 730         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
 731                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
 732                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
 733         }
 734
 735         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
 736                 dimmed = FALSE;
 737         return dimmed;
 738 }
 739
 740 gboolean
 741 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 742 {
 743         ModestDimmingRule *rule = NULL;
 744         gboolean dimmed = FALSE;
 745
 746         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 747         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 748         rule = MODEST_DIMMING_RULE (user_data);
 749
 750         /* Check dimmed rule */
 751         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 752
 753         if (!dimmed) {
 754                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 755                 if (dimmed) {
 756                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 757                 }
 758         }
 759
 760         return dimmed;
 761 }
 762
 763 static gboolean
 764 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
 765 {
 766         gint n_attachments;
 767         TnyList *attachments;
 768         gboolean result = FALSE;
 769
 770         /* Get atachments */
 771         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
 772         n_attachments = tny_list_get_length (attachments);
 773
 774         /* Check unique */
 775         if (!result) {
 776                 result = n_attachments < 1;
 777         }
 778
 779         /* Check attached type (view operation not required) */
 780         if (!result)  {
 781                 gint n_valid = 0;
 782
 783                 TnyIterator *iter;
 784                 iter = tny_list_create_iterator (attachments);
 785                 while (!tny_iterator_is_done (iter)) {
 786                         gboolean is_valid = TRUE;
 787                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
 788                         TnyList *nested_list = tny_simple_list_new ();
 789                         tny_mime_part_get_parts (mime_part, nested_list);
 790
 791                         if (tny_mime_part_is_purged (mime_part)) {
 792                                 is_valid = FALSE;
 793                         }
 794
 795                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
 796                                 TnyMsg *window_msg;
 797                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 798                                 if (window_msg) {
 799                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
 800                                                 is_valid = FALSE;
 801                                         }
 802                                         g_object_unref (window_msg);
 803                                 }
 804                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
 805                                         is_valid = FALSE;
 806                                 }
 807                         }
 808                         g_object_unref (nested_list);
 809                         g_object_unref (mime_part);
 810                         tny_iterator_next (iter);
 811
 812                         if (is_valid)
 813                                 n_valid++;
 814                 }
 815                 g_object_unref (iter);
 816                 result = (n_valid == 0);
 817         }
 818         g_object_unref (attachments);
 819         return result;
 820
 821 }
 822
 823 gboolean
 824 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 825 {
 826         ModestDimmingRule *rule = NULL;
 827         gboolean dimmed = FALSE;
 828
 829         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 830         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 831         rule = MODEST_DIMMING_RULE (user_data);
 832
 833         /* Check dimmed rule */
 834
 835         dimmed = _not_valid_attachments (win, TRUE);
 836         return dimmed;
 837 }
 838
 839 gboolean
 840 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 841 {
 842         ModestDimmingRule *rule = NULL;
 843         const DimmedState *state = NULL;
 844         gboolean dimmed = FALSE;
 845
 846         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 847         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 848         rule = MODEST_DIMMING_RULE (user_data);
 849         state = modest_window_get_dimming_state (win);
 850
 851
 852         /* Check in view window if there's any attachment selected */
 853         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 854                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 855                 if (dimmed)
 856                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 857         }
 858
 859         if (!dimmed) {
 860
 861                 dimmed = _selected_msg_sent_in_progress (win);
 862                 if (dimmed) {
 863                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 864                 }
 865         }
 866
 867         /* cannot purge in editable drafts nor pop folders */
 868         if (!dimmed) {
 869                 dimmed = _invalid_folder_for_purge (win, rule);
 870                 if (dimmed)
 871                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 872         }
 873
 874         /* Check if all attachments are already purged */
 875         if (!dimmed) {
 876                 dimmed = _purged_attach_selected (win, TRUE, rule);
 877         }
 878
 879         return dimmed;
 880 }
 881
 882 gboolean
 883 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 884 {
 885         ModestDimmingRule *rule = NULL;
 886         gboolean dimmed = FALSE;
 887
 888         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 889         rule = MODEST_DIMMING_RULE (user_data);
 890
 891         /* Check dimmed rule */
 892         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
 893                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
 894         }
 895
 896         return dimmed;
 897 }
 898
 899 gboolean
 900 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
 901 {
 902         ModestDimmingRule *rule = NULL;
 903         gboolean dimmed = FALSE;
 904
 905         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 906         rule = MODEST_DIMMING_RULE (user_data);
 907
 908         /* Check dimmed rule */
 909         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 910                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
 911         }
 912
 913         return dimmed;
 914 }
 915
 916 gboolean
 917 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 918 {
 919         ModestDimmingRule *rule = NULL;
 920         const DimmedState *state = NULL;
 921         gboolean dimmed = FALSE;
 922
 923         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 924         rule = MODEST_DIMMING_RULE (user_data);
 925         state = modest_window_get_dimming_state (win);
 926
 927         /* Check common dimming rules */
 928         dimmed = _invalid_clipboard_selected (win, rule);
 929
 930         return dimmed;
 931 }
 932
 933 gboolean
 934 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 935 {
 936         ModestDimmingRule *rule = NULL;
 937         const DimmedState *state = NULL;
 938         gboolean dimmed = FALSE;
 939
 940         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 941         rule = MODEST_DIMMING_RULE (user_data);
 942         state = modest_window_get_dimming_state (win);
 943
 944         /* Check common dimming rules */
 945         dimmed = _invalid_clipboard_selected (win, rule);
 946
 947         return dimmed;
 948 }
 949
 950 gboolean
 951 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
 952 {
 953         ModestDimmingRule *rule = NULL;
 954         gboolean dimmed = FALSE;
 955
 956         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 957         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 958         rule = MODEST_DIMMING_RULE (user_data);
 959
 960         /* Check common dimming rules */
 961         ModestMsgEditFormat format;
 962         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 963
 964         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
 965         if (dimmed)
 966                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
 967
 968         if (!dimmed) {
 969                 GtkWidget *body;
 970                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 971                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 972
 973                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 974                 if (dimmed)
 975                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 976         }
 977
 978
 979         return dimmed;
 980 }
 981
 982 gboolean
 983 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
 984 {
 985         ModestDimmingRule *rule = NULL;
 986         gboolean dimmed = FALSE;
 987
 988         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 989         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 990         rule = MODEST_DIMMING_RULE (user_data);
 991
 992         GtkWidget *body;
 993         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 994                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 995
 996         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 997         if (dimmed)
 998                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 999
1000         return dimmed;
1001 }
1002
1003 gboolean
1004 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1005 {
1006         ModestDimmingRule *rule = NULL;
1007         gboolean dimmed = FALSE;
1008         GtkWidget *focused = NULL;
1009
1010         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1011         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1012         rule = MODEST_DIMMING_RULE (user_data);
1013
1014         focused = gtk_window_get_focus (GTK_WINDOW (win));
1015
1016         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1017
1018         if (!dimmed) {
1019                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1020         }
1021
1022         if (!dimmed) {
1023                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1024                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1025
1026                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1027                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1028         }
1029
1030         return dimmed;
1031 }
1032
1033 gboolean
1034 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1035 {
1036         ModestDimmingRule *rule = NULL;
1037         gboolean dimmed = FALSE;
1038         TnyList *selected_attachments = NULL;
1039         gint n_att_selected = 0;
1040         GtkWidget *attachments_view;
1041
1042         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1043         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1044         rule = MODEST_DIMMING_RULE (user_data);
1045
1046         attachments_view = modest_msg_edit_window_get_child_widget (
1047                                                                     MODEST_MSG_EDIT_WINDOW (win),
1048                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1049
1050         selected_attachments = modest_attachments_view_get_attachments (
1051                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1052         n_att_selected = tny_list_get_length (selected_attachments);
1053         g_object_unref (selected_attachments);
1054
1055         dimmed = (n_att_selected < 1);
1056
1057         return dimmed;
1058 }
1059
1060 gboolean
1061 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1062 {
1063         ModestDimmingRule *rule = NULL;
1064         gboolean dimmed = FALSE;
1065         GtkWidget *body_field;
1066
1067         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1068         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1069         rule = MODEST_DIMMING_RULE (user_data);
1070
1071         body_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1072                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1073
1074         if (!dimmed) {
1075                 GtkWidget *to_field, *cc_field, *bcc_field;
1076                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1077                 cc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1078                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1079                 to_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1080                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1081                 bcc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1082                                                                      MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1083                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1084                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1085                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1086
1087                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1088                            gtk_text_buffer_get_char_count (cc_buffer) +
1089                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1090                 if (dimmed)
1091                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1092         }
1093
1094         return dimmed;
1095 }
1096
1097 gboolean
1098 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1099 {
1100         ModestDimmingRule *rule = NULL;
1101         gboolean dimmed = FALSE;
1102
1103         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1104         rule = MODEST_DIMMING_RULE (user_data);
1105
1106         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1107
1108         /* Check dimmed rule */
1109         dimmed = _transfer_mode_enabled (win);
1110         if (dimmed)
1111                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1112
1113         if (!dimmed) {
1114                 dimmed = modest_msg_view_window_first_message_selected (
1115                                 MODEST_MSG_VIEW_WINDOW(win));
1116                 modest_dimming_rule_set_notification (rule, NULL);
1117         }
1118
1119         return dimmed;
1120 }
1121
1122 gboolean
1123 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1124 {
1125         ModestDimmingRule *rule = NULL;
1126         gboolean dimmed = FALSE;
1127
1128         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1129         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1130         rule = MODEST_DIMMING_RULE (user_data);
1131
1132         /* Check dimmed rule */
1133         dimmed = _transfer_mode_enabled (win);
1134         if (dimmed)
1135                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1136
1137         if (!dimmed) {
1138                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1139                 modest_dimming_rule_set_notification (rule, NULL);
1140         }
1141
1142         return dimmed;
1143 }
1144
1145
1146 gboolean
1147 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1148 {
1149         gboolean dimmed;
1150         ModestAccountMgr *mgr;
1151
1152         mgr = modest_runtime_get_account_mgr();
1153         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1154
1155         /* Dimm it if we only have metaaccounts */
1156         if (!dimmed) {
1157                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1158                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1159
1160                 if (account_names) {
1161                         ModestProtocolType store_protocol;
1162                         gboolean found = FALSE;
1163                         GSList *iter = account_names;
1164                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1165
1166                         while (iter && !found) {
1167                                 gchar* account_name;
1168
1169                                 account_name = (gchar *) iter->data;
1170                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1171
1172                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1173                                         found = TRUE;
1174                                 else
1175                                         iter = g_slist_next (iter);
1176                         }
1177                         modest_account_mgr_free_account_names (account_names);
1178                         dimmed = !found;
1179                 }
1180         }
1181
1182         return dimmed;
1183 }
1184
1185 gboolean
1186 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1187 {
1188         /* We dim if no msg send is in progress (and then cancelling send all has no
1189          * effect */
1190         return !_msgs_send_in_progress ();
1191 }
1192
1193 gboolean
1194 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1195 {
1196         ModestDimmingRule *rule = NULL;
1197         gboolean dimmed = FALSE;
1198         ModestAccountMgr *mgr;
1199         const gchar* account_name;
1200
1201         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1202         rule = MODEST_DIMMING_RULE (user_data);
1203         mgr = modest_runtime_get_account_mgr();
1204
1205         /* Check dimmed rule */
1206         account_name = modest_window_get_active_account (win);
1207
1208         if (account_name)
1209                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1210         else
1211                 dimmed = TRUE;
1212
1213         if (dimmed)
1214                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1215
1216         return dimmed;
1217 }
1218
1219 gboolean
1220 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1221 {
1222         ModestDimmingRule *rule = NULL;
1223         gboolean dimmed = FALSE;
1224
1225         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1226         rule = MODEST_DIMMING_RULE (user_data);
1227
1228         /* Check dimmed rule */
1229         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1230         if (g_slist_length (account_names) < 1)
1231                 dimmed = TRUE;
1232         if (dimmed)
1233                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1234
1235         modest_account_mgr_free_account_names (account_names);
1236
1237         if (!dimmed) {
1238                 dimmed = _send_receive_in_progress (win);
1239         }
1240
1241         return dimmed;
1242 }
1243
1244 gboolean
1245 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1246 {
1247         GSList *recipients = NULL;
1248         gboolean has_recipients_to_add;
1249
1250         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1251
1252         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1253                 TnyMsg *msg;
1254
1255                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1256
1257                 /* Message is loaded asynchronously, so this could happen */
1258                 if (!msg) {
1259                         TnyHeader *header;
1260
1261                         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1262                         if (!header)
1263                                 return TRUE;
1264
1265                         recipients = modest_tny_msg_header_get_all_recipients_list (header);
1266                         g_object_unref (header);
1267                 } else {
1268                         recipients = modest_tny_msg_get_all_recipients_list (msg);
1269                         g_object_unref (msg);
1270                 }
1271         } else if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1272                 /* Check if there are pending addresses to add */
1273                 return !modest_msg_edit_window_has_pending_addresses ((ModestMsgEditWindow *) win);
1274         }
1275
1276         has_recipients_to_add = FALSE;
1277
1278         if (recipients) {
1279                 GSList *node;
1280                 for (node = recipients; node != NULL; node = g_slist_next (node)) {
1281                         const gchar *recipient = (const gchar *) node->data;
1282                         if (modest_text_utils_validate_recipient (recipient, NULL)) {
1283                                 if (!modest_address_book_has_address (recipient)) {
1284                                         has_recipients_to_add = TRUE;
1285                                         break;
1286                                 }
1287                         }
1288                 }
1289                 g_slist_foreach (recipients, (GFunc) g_free, NULL);
1290                 g_slist_free (recipients);
1291         }
1292
1293         return !has_recipients_to_add;
1294 }
1295
1296 /* *********************** static utility functions ******************** */
1297
1298 static gboolean
1299 _selected_folder_is_any_of_type (ModestWindow *win,
1300                                  TnyFolderType types[],
1301                                  guint ntypes)
1302 {
1303         TnyFolderStore *folder = NULL;
1304         TnyFolderType folder_type;
1305         guint i=0;
1306         gboolean result = FALSE;
1307
1308         /*Get current folder */
1309         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1310                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1311                 for (i=0; i < ntypes; i++) {
1312                         result = result || folder_type == types[i];
1313                 }
1314         }
1315
1316         /* free */
1317         if (folder)
1318                 g_object_unref (folder);
1319
1320         return result;
1321 }
1322
1323 static gboolean
1324 _invalid_clipboard_selected (ModestWindow *win,
1325                              ModestDimmingRule *rule)
1326 {
1327         gboolean result = FALSE;
1328         GtkWidget *focused = NULL;
1329
1330         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1331
1332         /* Get focuesed widget */
1333         focused = gtk_window_get_focus (GTK_WINDOW (win));
1334
1335         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1336                 gboolean has_selection = FALSE;
1337                 if (GTK_IS_TEXT_VIEW (focused)) {
1338                         GtkTextBuffer *buffer = NULL;
1339                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1340                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
1341                 } else if (GTK_IS_EDITABLE (focused)) {
1342                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
1343                 }
1344                 result = !has_selection;
1345         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1346                 if (focused) {
1347                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
1348                         if (GTK_IS_LABEL (focused) &&
1349                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
1350                                 result = TRUE;
1351                         } else if (GTK_IS_TEXT_VIEW (focused)) {
1352                                 GtkTextBuffer *buffer;
1353                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1354                                 result = !gtk_text_buffer_get_has_selection (buffer);
1355                         } else if (GTK_IS_HTML (focused)) {
1356                                 const gchar *sel;
1357                                 int len = -1;
1358                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1359                                 result = ((sel == NULL) || (sel[0] == '\0'));
1360                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1361                                 result = TRUE;
1362                         } else {
1363                                 GtkClipboard *clipboard;
1364                                 gchar *selection;
1365
1366                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1367                                 /* Get clipboard selection*/
1368                                 selection = gtk_clipboard_wait_for_text (clipboard);
1369                                 /* Check dimming */
1370                                 result = (selection == NULL);
1371                                 g_free (selection);
1372                         }
1373                 } else {
1374                         result = TRUE;
1375                 }
1376                 if (result)
1377                         modest_dimming_rule_set_notification (rule, "");
1378         }
1379
1380         return result;
1381 }
1382
1383
1384 static gboolean
1385 _invalid_attach_selected (ModestWindow *win,
1386                           gboolean unique,
1387                           gboolean for_view,
1388                           gboolean for_remove,
1389                           ModestDimmingRule *rule)
1390 {
1391         TnyList *attachments;
1392         gint n_selected;
1393         gboolean nested_attachments = FALSE;
1394         gboolean selected_messages = FALSE;
1395         gboolean result = FALSE;
1396
1397         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1398
1399         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1400
1401                 /* Get selected atachments */
1402                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1403                 n_selected = tny_list_get_length (attachments);
1404
1405                 /* Check unique */
1406                 if (!result) {
1407                         if (unique)
1408                                 result = n_selected != 1;
1409                         else
1410
1411                                 result = n_selected < 1;
1412                 }
1413
1414                 /* Check attached type (view operation not required) */
1415                 if (!result && !for_view)  {
1416                         TnyIterator *iter;
1417                         iter = tny_list_create_iterator (attachments);
1418                         while (!tny_iterator_is_done (iter) && !result) {
1419                                 gboolean not_selectable = FALSE;
1420                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1421                                 TnyList *nested_list = tny_simple_list_new ();
1422                                 tny_mime_part_get_parts (mime_part, nested_list);
1423
1424                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
1425                                         TnyMsg *window_msg;
1426                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1427                                         if ((TnyMimePart *) window_msg != mime_part) {
1428                                                 selected_messages = TRUE;
1429                                                 not_selectable = TRUE;
1430                                         }
1431                                         g_object_unref (window_msg);
1432                                 }
1433                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1434                                         nested_attachments = TRUE;
1435                                         not_selectable = TRUE;
1436                                 }
1437                                 if (not_selectable)
1438                                         n_selected --;
1439                                 g_object_unref (nested_list);
1440                                 g_object_unref (mime_part);
1441                                 tny_iterator_next (iter);
1442                         }
1443                         g_object_unref (iter);
1444                 }
1445
1446                 /* No valid attachment available */
1447                 if (n_selected == 0)
1448                         result = TRUE;
1449
1450                 /* Set notifications */
1451                 if (result && rule != NULL) {
1452                         if (selected_messages) {
1453                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1454                         } else if (nested_attachments) {
1455                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1456                         } else if (n_selected == 0) {
1457                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1458                         } else if (unique) {
1459                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1460                         }
1461                 }
1462
1463                 /* Free */
1464                 g_object_unref (attachments);
1465         }
1466
1467         return result;
1468 }
1469
1470 static gboolean
1471 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1472 {
1473         TnyList *attachments = NULL;
1474         TnyIterator *iter;
1475         gint purged = 0;
1476         gint n_attachments = 0;
1477         gboolean result = FALSE;
1478
1479         /* This should check if _all_ the attachments are already purged. If only some
1480          * of them are purged, then it does not cause dim as there's a confirmation dialog
1481          * for removing only local attachments */
1482
1483         /* Get selected atachments */
1484         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1485                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1486         }
1487
1488         if (attachments == NULL)
1489                 return FALSE;
1490
1491         if (tny_list_get_length (attachments) == 0) {
1492                 g_object_unref (attachments);
1493                 return FALSE;
1494         }
1495
1496         iter = tny_list_create_iterator (attachments);
1497         while (!tny_iterator_is_done (iter)) {
1498                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1499                 if (tny_mime_part_is_purged (mime_part)) {
1500                         purged++;
1501                 }
1502                 n_attachments++;
1503                 g_object_unref (mime_part);
1504                 tny_iterator_next (iter);
1505         }
1506         g_object_unref (iter);
1507
1508         /* Free */
1509         g_object_unref (attachments);
1510
1511         if (all)
1512                 result = (purged == n_attachments);
1513         else
1514                 result = (purged > 0);
1515
1516         /* This string no longer exists, refer to NB#75415 for more info
1517         if (result && (rule != NULL))
1518                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1519         */
1520
1521         return result;
1522 }
1523
1524 static gboolean
1525 _msg_download_in_progress (ModestWindow *win)
1526 {
1527         gboolean result = FALSE;
1528
1529         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
1530
1531         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1532                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
1533         }
1534
1535         return result;
1536 }
1537
1538 static void
1539 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1540 {
1541         GSList **send_queues = (GSList **) userdata;
1542         *send_queues = g_slist_prepend (*send_queues, value);
1543 }
1544
1545 static gboolean
1546 _selected_msg_sent_in_progress (ModestWindow *win)
1547 {
1548         const DimmedState *state = modest_window_get_dimming_state (win);
1549         return (state) ? state->sent_in_progress : TRUE;
1550 }
1551
1552
1553 static gboolean
1554 _invalid_folder_for_purge (ModestWindow *win,
1555                            ModestDimmingRule *rule)
1556 {
1557         TnyFolder *folder = NULL;
1558         TnyAccount *account = NULL;
1559         gboolean result = FALSE;
1560
1561         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1562
1563                 /* Get folder and account of message */
1564                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1565                 g_return_val_if_fail(msg != NULL, TRUE);
1566                 folder = tny_msg_get_folder (msg);
1567                 g_object_unref (msg);
1568                 if (folder == NULL) {
1569                         result = TRUE;
1570                         goto frees;
1571                 }
1572         } else {
1573                 g_return_val_if_reached (FALSE);
1574         }
1575         account = modest_tny_folder_get_account (folder);
1576         if (account == NULL) goto frees;
1577
1578         /* Check account */
1579         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1580                 TnyFolderType types[2];
1581                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1582                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1583
1584                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1585                         result = TRUE;
1586                 }
1587         } else {
1588                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
1589                 /* If it's a remote folder then dim */
1590                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1591                                                                     protocol_type,
1592                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
1593                         result = TRUE;
1594                 }
1595         }
1596
1597 frees:
1598         if (folder != NULL)
1599                 g_object_unref (folder);
1600         if (account != NULL)
1601                 g_object_unref (account);
1602
1603         return result;
1604 }
1605
1606 static gboolean
1607 _transfer_mode_enabled (ModestWindow *win)
1608 {
1609         gboolean result = FALSE;
1610
1611         /* Check dimming */
1612         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1613                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1614         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
1615                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
1616         } else if (MODEST_IS_HEADER_WINDOW (win)) {
1617                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
1618         } else {
1619                 g_warning("_transfer_mode_enabled called with wrong window type");
1620         }
1621
1622         return result;
1623 }
1624
1625 static gboolean
1626 _all_msgs_in_sending_status (ModestHeaderView *header_view)
1627 {
1628         GtkTreeModel *model;
1629         GtkTreeIter iter;
1630         gboolean all_sending = TRUE;
1631
1632         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1633         if (gtk_tree_model_get_iter_first (model, &iter)) {
1634                 do {
1635                         TnyHeader *header;
1636
1637                         gtk_tree_model_get (model, &iter,
1638                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1639                                             &header,
1640                                             -1);
1641
1642                         if (header) {
1643                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
1644                                     MODEST_TNY_SEND_QUEUE_SENDING)
1645                                         all_sending = FALSE;
1646                                 g_object_unref (header);
1647                         }
1648
1649                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
1650         }
1651         return all_sending;
1652 }
1653
1654 gboolean
1655 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
1656                                            gpointer user_data)
1657 {
1658         ModestDimmingRule *rule = NULL;
1659
1660         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1661         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1662         rule = MODEST_DIMMING_RULE (user_data);
1663
1664         /* Check dimmed rule */
1665         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
1666 }
1667
1668 gboolean
1669 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
1670                                          gpointer user_data)
1671 {
1672         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1673
1674         ModestMsgEditFormat format =
1675           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1676
1677         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
1678 }
1679
1680 static gboolean
1681 _send_receive_in_progress (ModestWindow *win)
1682 {
1683         ModestMailOperationQueue *queue;
1684         GSList *op_list, *node;
1685         gboolean found_send_receive;
1686
1687         queue = modest_runtime_get_mail_operation_queue ();
1688         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
1689
1690         found_send_receive = FALSE;
1691         for (node = op_list; node != NULL; node = g_slist_next (node)) {
1692                 ModestMailOperation *op;
1693
1694                 op = (ModestMailOperation *) node->data;
1695                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
1696                         found_send_receive = TRUE;
1697                         break;
1698                 }
1699         }
1700
1701         if (op_list) {
1702                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
1703                 g_slist_free (op_list);
1704         }
1705
1706         return found_send_receive;
1707 }
1708
1709 static gboolean
1710 _msgs_send_in_progress (void)
1711 {
1712         ModestCacheMgr *cache_mgr;
1713         GHashTable *send_queue_cache;
1714         ModestTnySendQueue *send_queue;
1715         GSList *send_queues = NULL, *node = NULL;
1716         gboolean found = FALSE;
1717
1718         cache_mgr = modest_runtime_get_cache_mgr ();
1719         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1720                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1721
1722         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1723
1724         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
1725                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1726
1727                 /* Check if msg uid is being processed inside send queue */
1728                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
1729                         found = TRUE;
1730                         break;
1731                 }
1732         }
1733
1734         g_slist_free (send_queues);
1735
1736         return found;
1737 }
1738
1739 /*****************************************************************************/
1740 /********************** HILDON2 only dimming rules ***************************/
1741 /*****************************************************************************/
1742
1743 gboolean
1744 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1745 {
1746         ModestDimmingRule *rule = NULL;
1747         gboolean dimmed = FALSE;
1748
1749         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1750         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1751         rule = MODEST_DIMMING_RULE (user_data);
1752
1753         /* Check dimmed rule */
1754         dimmed = _transfer_mode_enabled (win);
1755         if (dimmed)
1756                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1757
1758         if (!dimmed)
1759                 dimmed = _forbid_outgoing_xfers (win);
1760
1761         if (!dimmed) {
1762                 GtkWidget *header_view;
1763                 TnyFolder *folder;
1764
1765                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1766                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1767                 if (folder) {
1768                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
1769                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
1770
1771                         if (!dimmed &&
1772                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
1773                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
1774                         }
1775                         g_object_unref (folder);
1776                 }
1777         }
1778
1779         return dimmed;
1780 }
1781
1782 gboolean
1783 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1784 {
1785         ModestDimmingRule *rule = NULL;
1786         gboolean dimmed = FALSE;
1787
1788         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1789         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1790         rule = MODEST_DIMMING_RULE (user_data);
1791
1792         /* Check dimmed rule */
1793         dimmed = _transfer_mode_enabled (win);
1794         if (dimmed)
1795                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1796
1797         if (!dimmed)
1798                 dimmed = _forbid_outgoing_xfers (win);
1799
1800         if (!dimmed && MODEST_IS_FOLDER_WINDOW (win)) {
1801                 ModestFolderView *folder_view;
1802                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1803                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1804                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1805         }
1806
1807         if (!dimmed) {
1808                 dimmed = _transfer_mode_enabled (win);
1809                 if (dimmed)
1810                         modest_dimming_rule_set_notification (rule, "");
1811         }
1812
1813         return dimmed;
1814 }
1815
1816 gboolean
1817 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1818 {
1819         ModestDimmingRule *rule = NULL;
1820         gboolean dimmed = FALSE;
1821
1822         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1823         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1824         rule = MODEST_DIMMING_RULE (user_data);
1825
1826         /* Check dimmed rule */
1827         dimmed = _transfer_mode_enabled (win);
1828         if (dimmed)
1829                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1830
1831         if (MODEST_IS_FOLDER_WINDOW (win)) {
1832                 ModestFolderView *folder_view;
1833                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1834                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1835                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1836         }
1837
1838         if (!dimmed) {
1839                 dimmed = _transfer_mode_enabled (win);
1840                 if (dimmed)
1841                         modest_dimming_rule_set_notification (rule, "");
1842         }
1843
1844         return dimmed;
1845 }
1846
1847 gboolean
1848 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
1849 {
1850         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
1851 }