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_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_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         ModestDimmingRule *rule = NULL;
 464
 465         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 466         rule = MODEST_DIMMING_RULE (user_data);
 467
 468         dimmed = !modest_msg_view_window_has_blocked_external_images (MODEST_MSG_VIEW_WINDOW (win));
 469
 470         if (!dimmed) {
 471                 dimmed = _transfer_mode_enabled (win);
 472                 if (dimmed)
 473                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 474         }
 475         if (!dimmed) {
 476                 dimmed = _msg_download_in_progress (win);
 477                 if (dimmed)
 478                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 479         }
 480
 481         return dimmed;
 482 }
 483
 484
 485 gboolean
 486 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 487 {
 488         ModestDimmingRule *rule = NULL;
 489         TnyHeader *header;
 490         TnyHeaderFlags flags;
 491         gboolean dimmed = FALSE;
 492
 493
 494         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 495         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 496         rule = MODEST_DIMMING_RULE (user_data);
 497
 498         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 499         if (!header) {
 500                 dimmed = TRUE;
 501         }
 502
 503         /* If the viewer is showing a message sent as attachment */
 504         if (!dimmed)
 505                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 506
 507         if (!dimmed) {
 508                 flags = tny_header_get_flags (header);
 509                 if (flags & TNY_HEADER_FLAG_SEEN)
 510                         dimmed = TRUE;
 511         }
 512
 513         if (header)
 514                 g_object_unref (header);
 515         return dimmed;
 516 }
 517
 518
 519 gboolean
 520 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 521 {
 522         ModestDimmingRule *rule = NULL;
 523         TnyHeader *header;
 524         TnyHeaderFlags flags;
 525         gboolean dimmed = FALSE;
 526
 527
 528         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 529         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 530         rule = MODEST_DIMMING_RULE (user_data);
 531
 532         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 533         if (!header) {
 534                 dimmed = TRUE;
 535         }
 536
 537         /* If the viewer is showing a message sent as attachment */
 538         if (!dimmed)
 539                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 540
 541         if (!dimmed) {
 542                 flags = tny_header_get_flags (header);
 543                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 544                         dimmed = TRUE;
 545         }
 546
 547         if (header)
 548                 g_object_unref (header);
 549         return dimmed;
 550 }
 551
 552 gboolean
 553 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 554 {
 555         ModestDimmingRule *rule = NULL;
 556         gboolean dimmed = FALSE;
 557
 558         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 559         rule = MODEST_DIMMING_RULE (user_data);
 560
 561         if (MODEST_IS_HEADER_WINDOW (win))
 562 #ifdef MODEST_TOOLKIT_HILDON2
 563                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
 564 #else
 565         dimmed = TRUE;
 566 #endif
 567         else if (MODEST_IS_FOLDER_WINDOW (win))
 568 #ifdef MODEST_TOOLKIT_HILDON2
 569                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
 570 #else
 571         dimmed = TRUE;
 572 #endif
 573         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 574                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 575
 576         return dimmed;
 577 }
 578
 579
 580 static gboolean
 581 _forbid_outgoing_xfers (ModestWindow *window)
 582 {
 583         const gchar *account_name = NULL;
 584         TnyAccount *account = NULL;
 585         gboolean dimmed = FALSE;
 586
 587 #ifdef MODEST_TOOLKIT_HILDON2
 588         /* We cannot just get the active account because the active
 589            account of a header window that shows the headers of a
 590            local account is the ID of the remote account */
 591         if (MODEST_IS_HEADER_WINDOW (window)) {
 592                 ModestHeaderView *header_view;
 593                 TnyFolder *folder;
 594
 595                 header_view = modest_header_window_get_header_view ((ModestHeaderWindow *) window);
 596                 folder = modest_header_view_get_folder (header_view);
 597
 598                 if (folder) {
 599                         account = modest_tny_folder_get_account (folder);
 600                         g_object_unref (folder);
 601                 }
 602         }
 603 #endif
 604
 605         if (!account) {
 606                 account_name = modest_window_get_active_account (window);
 607                 account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
 608                                                                        account_name,
 609                                                                        TNY_ACCOUNT_TYPE_STORE);
 610         }
 611
 612         if (account) {
 613                 ModestProtocolType protocol_type;
 614
 615                 protocol_type = modest_tny_account_get_protocol_type (account);
 616                 dimmed  = modest_protocol_registry_protocol_type_has_tag
 617                         (modest_runtime_get_protocol_registry (),
 618                          protocol_type,
 619                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
 620
 621                 g_object_unref (account);
 622         }
 623         return dimmed;
 624 }
 625
 626 gboolean
 627 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 628 {
 629         ModestDimmingRule *rule = NULL;
 630         gboolean dimmed = FALSE;
 631
 632         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 633         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 634         rule = MODEST_DIMMING_RULE (user_data);
 635
 636         /* This could happen if we load the msg view window with a
 637            preview before loading the full message */
 638         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 639         if (!msg) {
 640                 return TRUE;
 641         } else {
 642                 g_object_unref (msg);
 643         }
 644
 645         /* Check dimmed rule */
 646         dimmed = _transfer_mode_enabled (win);
 647         if (dimmed)
 648                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 649
 650         if (!dimmed)
 651                 dimmed = _forbid_outgoing_xfers (win);
 652
 653         if (!dimmed) {
 654                 const DimmedState *state = modest_window_get_dimming_state (win);
 655                 if (state) {
 656                         dimmed = state->any_marked_as_deleted;
 657                         if (dimmed) {
 658                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 659                                 modest_dimming_rule_set_notification (rule, msg);
 660                                 g_free (msg);
 661                         }
 662                 }
 663         }
 664
 665         if (!dimmed) {
 666                 dimmed = _selected_msg_sent_in_progress (win);
 667                 if (dimmed)
 668                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 669         }
 670
 671         /* This could happen if we're viewing a message of the outbox
 672            that has been already sent */
 673         if (!dimmed)
 674                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 675
 676         if (!dimmed) {
 677                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 678                         /* The move_to button should be dimmed when viewing an attachment,
 679                          * but should be enabled when viewing a message from the list,
 680                          * or when viewing a search result.
 681                          */
 682                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 683                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 684                         }
 685                 }
 686                 if (dimmed)
 687                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 688         }
 689
 690         return dimmed;
 691 }
 692
 693 gboolean
 694 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
 695 {
 696         ModestDimmingRule *rule = NULL;
 697         gboolean dimmed = FALSE;
 698
 699         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 700         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 701         rule = MODEST_DIMMING_RULE (user_data);
 702
 703         /* This could happen if we load the msg view window with a
 704            preview before loading the full message */
 705         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 706                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 707                 if (!msg) {
 708                         return TRUE;
 709                 } else {
 710                         g_object_unref (msg);
 711                 }
 712         }
 713
 714         /* Check dimmed rule */
 715         dimmed = _transfer_mode_enabled (win);
 716         if (dimmed)
 717                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 718
 719         return dimmed;
 720 }
 721
 722
 723 gboolean
 724 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 725 {
 726         ModestDimmingRule *rule = NULL;
 727         gboolean dimmed = FALSE;
 728         GtkWidget *focused = NULL;
 729
 730         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 731         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 732         rule = MODEST_DIMMING_RULE (user_data);
 733
 734         focused = gtk_container_get_focus_child ((GtkContainer *) win);
 735
 736         if (!dimmed && GTK_IS_ENTRY (focused)) {
 737                 const gchar *current_text;
 738                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
 739                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
 740         }
 741
 742         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
 743                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
 744                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
 745         }
 746
 747         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
 748                 dimmed = FALSE;
 749         return dimmed;
 750 }
 751
 752 gboolean
 753 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 754 {
 755         ModestDimmingRule *rule = NULL;
 756         gboolean dimmed = FALSE;
 757
 758         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 759         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 760         rule = MODEST_DIMMING_RULE (user_data);
 761
 762         /* Check dimmed rule */
 763         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 764
 765         if (!dimmed) {
 766                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 767                 if (dimmed) {
 768                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 769                 }
 770         }
 771
 772         return dimmed;
 773 }
 774
 775 static gboolean
 776 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
 777 {
 778         gint n_attachments;
 779         TnyList *attachments;
 780         gboolean result = FALSE;
 781
 782         /* Get atachments */
 783         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
 784         n_attachments = tny_list_get_length (attachments);
 785
 786         /* Check unique */
 787         if (!result) {
 788                 result = n_attachments < 1;
 789         }
 790
 791         /* Check attached type (view operation not required) */
 792         if (!result)  {
 793                 gint n_valid = 0;
 794
 795                 TnyIterator *iter;
 796                 iter = tny_list_create_iterator (attachments);
 797                 while (!tny_iterator_is_done (iter)) {
 798                         gboolean is_valid = TRUE;
 799                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
 800                         TnyList *nested_list = tny_simple_list_new ();
 801                         tny_mime_part_get_parts (mime_part, nested_list);
 802
 803                         if (tny_mime_part_is_purged (mime_part)) {
 804                                 is_valid = FALSE;
 805                         }
 806
 807                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
 808                                 TnyMsg *window_msg;
 809                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 810                                 if (window_msg) {
 811                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
 812                                                 is_valid = FALSE;
 813                                         }
 814                                         g_object_unref (window_msg);
 815                                 }
 816                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
 817                                         is_valid = FALSE;
 818                                 }
 819                         }
 820                         g_object_unref (nested_list);
 821                         g_object_unref (mime_part);
 822                         tny_iterator_next (iter);
 823
 824                         if (is_valid)
 825                                 n_valid++;
 826                 }
 827                 g_object_unref (iter);
 828                 result = (n_valid == 0);
 829         }
 830         g_object_unref (attachments);
 831         return result;
 832
 833 }
 834
 835 gboolean
 836 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 837 {
 838         ModestDimmingRule *rule = NULL;
 839         gboolean dimmed = FALSE;
 840
 841         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 842         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 843         rule = MODEST_DIMMING_RULE (user_data);
 844
 845         /* Check dimmed rule */
 846
 847         dimmed = _not_valid_attachments (win, TRUE);
 848         return dimmed;
 849 }
 850
 851 gboolean
 852 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 853 {
 854         ModestDimmingRule *rule = NULL;
 855         const DimmedState *state = NULL;
 856         gboolean dimmed = FALSE;
 857
 858         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 859         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 860         rule = MODEST_DIMMING_RULE (user_data);
 861         state = modest_window_get_dimming_state (win);
 862
 863
 864         /* Check in view window if there's any attachment selected */
 865         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 866                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 867                 if (dimmed)
 868                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 869         }
 870
 871         if (!dimmed) {
 872
 873                 dimmed = _selected_msg_sent_in_progress (win);
 874                 if (dimmed) {
 875                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 876                 }
 877         }
 878
 879         /* cannot purge in editable drafts nor pop folders */
 880         if (!dimmed) {
 881                 dimmed = _invalid_folder_for_purge (win, rule);
 882                 if (dimmed)
 883                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 884         }
 885
 886         /* Check if all attachments are already purged */
 887         if (!dimmed) {
 888                 dimmed = _purged_attach_selected (win, TRUE, rule);
 889         }
 890
 891         return dimmed;
 892 }
 893
 894 gboolean
 895 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 896 {
 897         ModestDimmingRule *rule = NULL;
 898         gboolean dimmed = FALSE;
 899
 900         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 901         rule = MODEST_DIMMING_RULE (user_data);
 902
 903         /* Check dimmed rule */
 904         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
 905                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
 906         }
 907
 908         return dimmed;
 909 }
 910
 911 gboolean
 912 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
 913 {
 914         ModestDimmingRule *rule = NULL;
 915         gboolean dimmed = FALSE;
 916
 917         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 918         rule = MODEST_DIMMING_RULE (user_data);
 919
 920         /* Check dimmed rule */
 921         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 922                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
 923         }
 924
 925         return dimmed;
 926 }
 927
 928 gboolean
 929 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 930 {
 931         ModestDimmingRule *rule = NULL;
 932         const DimmedState *state = NULL;
 933         gboolean dimmed = FALSE;
 934
 935         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 936         rule = MODEST_DIMMING_RULE (user_data);
 937         state = modest_window_get_dimming_state (win);
 938
 939         /* Check common dimming rules */
 940         dimmed = _invalid_clipboard_selected (win, rule);
 941
 942         return dimmed;
 943 }
 944
 945 gboolean
 946 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 947 {
 948         ModestDimmingRule *rule = NULL;
 949         const DimmedState *state = NULL;
 950         gboolean dimmed = FALSE;
 951
 952         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 953         rule = MODEST_DIMMING_RULE (user_data);
 954         state = modest_window_get_dimming_state (win);
 955
 956         /* Check common dimming rules */
 957         dimmed = _invalid_clipboard_selected (win, rule);
 958
 959         return dimmed;
 960 }
 961
 962 gboolean
 963 modest_ui_dimming_rules_on_set_style (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         /* Check common dimming rules */
 973         ModestMsgEditFormat format;
 974         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 975
 976         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
 977         if (dimmed)
 978                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
 979
 980         if (!dimmed) {
 981                 GtkWidget *body;
 982                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 983                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 984
 985                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 986                 if (dimmed)
 987                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 988         }
 989
 990
 991         return dimmed;
 992 }
 993
 994 gboolean
 995 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
 996 {
 997         ModestDimmingRule *rule = NULL;
 998         gboolean dimmed = FALSE;
 999
1000         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1001         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1002         rule = MODEST_DIMMING_RULE (user_data);
1003
1004         GtkWidget *body;
1005         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1006                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1007
1008         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1009         if (dimmed)
1010                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1011
1012         return dimmed;
1013 }
1014
1015 gboolean
1016 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1017 {
1018         ModestDimmingRule *rule = NULL;
1019         gboolean dimmed = FALSE;
1020         GtkWidget *focused = NULL;
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         focused = gtk_container_get_focus_child ((GtkContainer *) win);
1027
1028         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1029
1030         if (!dimmed) {
1031                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1032         }
1033
1034         if (!dimmed) {
1035                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1036                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1037
1038                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1039                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1040         }
1041
1042         return dimmed;
1043 }
1044
1045 gboolean
1046 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1047 {
1048         ModestDimmingRule *rule = NULL;
1049         gboolean dimmed = FALSE;
1050         TnyList *selected_attachments = NULL;
1051         gint n_att_selected = 0;
1052         GtkWidget *attachments_view;
1053
1054         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1055         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1056         rule = MODEST_DIMMING_RULE (user_data);
1057
1058         attachments_view = modest_msg_edit_window_get_child_widget (
1059                                                                     MODEST_MSG_EDIT_WINDOW (win),
1060                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1061
1062         selected_attachments = modest_attachments_view_get_attachments (
1063                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1064         n_att_selected = tny_list_get_length (selected_attachments);
1065         g_object_unref (selected_attachments);
1066
1067         dimmed = (n_att_selected < 1);
1068
1069         return dimmed;
1070 }
1071
1072 gboolean
1073 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1074 {
1075         ModestDimmingRule *rule = NULL;
1076         gboolean dimmed = FALSE;
1077         GtkWidget *body_field;
1078
1079         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1080         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1081         rule = MODEST_DIMMING_RULE (user_data);
1082
1083         body_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1084                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1085
1086         if (!dimmed) {
1087                 GtkWidget *to_field, *cc_field, *bcc_field;
1088                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1089                 cc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1090                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1091                 to_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1092                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1093                 bcc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1094                                                                      MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1095                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1096                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1097                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1098
1099                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1100                            gtk_text_buffer_get_char_count (cc_buffer) +
1101                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1102
1103                 if (!dimmed) {
1104                         if (modest_text_utils_no_recipient (to_buffer) &&
1105                             modest_text_utils_no_recipient (cc_buffer) &&
1106                             modest_text_utils_no_recipient (bcc_buffer))
1107                                 dimmed = TRUE;
1108                 }
1109
1110                 if (dimmed)
1111                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1112         }
1113
1114         return dimmed;
1115 }
1116
1117 gboolean
1118 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1119 {
1120         ModestDimmingRule *rule = NULL;
1121         gboolean dimmed = FALSE;
1122
1123         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1124         rule = MODEST_DIMMING_RULE (user_data);
1125
1126         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1127
1128         /* Check dimmed rule */
1129         dimmed = _transfer_mode_enabled (win);
1130         if (dimmed)
1131                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1132
1133         if (!dimmed) {
1134                 dimmed = modest_msg_view_window_first_message_selected (
1135                                 MODEST_MSG_VIEW_WINDOW(win));
1136                 modest_dimming_rule_set_notification (rule, NULL);
1137         }
1138
1139         return dimmed;
1140 }
1141
1142 gboolean
1143 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1144 {
1145         ModestDimmingRule *rule = NULL;
1146         gboolean dimmed = FALSE;
1147
1148         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1149         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1150         rule = MODEST_DIMMING_RULE (user_data);
1151
1152         /* Check dimmed rule */
1153         dimmed = _transfer_mode_enabled (win);
1154         if (dimmed)
1155                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1156
1157         if (!dimmed) {
1158                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1159                 modest_dimming_rule_set_notification (rule, NULL);
1160         }
1161
1162         return dimmed;
1163 }
1164
1165
1166 gboolean
1167 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1168 {
1169         gboolean dimmed;
1170         ModestAccountMgr *mgr;
1171
1172         mgr = modest_runtime_get_account_mgr();
1173         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1174
1175         /* Dimm it if we only have metaaccounts */
1176         if (!dimmed) {
1177                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1178                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1179
1180                 if (account_names) {
1181                         ModestProtocolType store_protocol;
1182                         gboolean found = FALSE;
1183                         GSList *iter = account_names;
1184                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1185
1186                         while (iter && !found) {
1187                                 gchar* account_name;
1188
1189                                 account_name = (gchar *) iter->data;
1190                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1191
1192                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1193                                         found = TRUE;
1194                                 else
1195                                         iter = g_slist_next (iter);
1196                         }
1197                         modest_account_mgr_free_account_names (account_names);
1198                         dimmed = !found;
1199                 }
1200         }
1201
1202         return dimmed;
1203 }
1204
1205 gboolean
1206 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1207 {
1208         /* We dim if no msg send is in progress (and then cancelling send all has no
1209          * effect */
1210         return !_msgs_send_in_progress ();
1211 }
1212
1213 gboolean
1214 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1215 {
1216         ModestDimmingRule *rule = NULL;
1217         gboolean dimmed = FALSE;
1218         ModestAccountMgr *mgr;
1219         const gchar* account_name;
1220
1221         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1222         rule = MODEST_DIMMING_RULE (user_data);
1223         mgr = modest_runtime_get_account_mgr();
1224
1225         /* Check dimmed rule */
1226         account_name = modest_window_get_active_account (win);
1227
1228         if (account_name)
1229                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1230         else
1231                 dimmed = TRUE;
1232
1233         if (dimmed)
1234                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1235
1236         return dimmed;
1237 }
1238
1239 gboolean
1240 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1241 {
1242         ModestDimmingRule *rule = NULL;
1243         gboolean dimmed = FALSE;
1244
1245         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1246         rule = MODEST_DIMMING_RULE (user_data);
1247
1248         /* Check dimmed rule */
1249         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1250         if (g_slist_length (account_names) < 1)
1251                 dimmed = TRUE;
1252         if (dimmed)
1253                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1254
1255         modest_account_mgr_free_account_names (account_names);
1256
1257         if (!dimmed) {
1258                 dimmed = _send_receive_in_progress (win);
1259         }
1260
1261         return dimmed;
1262 }
1263
1264 gboolean
1265 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1266 {
1267         GSList *recipients = NULL;
1268         gboolean has_recipients_to_add;
1269
1270         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1271
1272         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1273                 TnyMsg *msg;
1274
1275                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1276
1277                 /* Message is loaded asynchronously, so this could happen */
1278                 if (!msg) {
1279                         TnyHeader *header;
1280
1281                         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1282                         if (!header)
1283                                 return TRUE;
1284
1285                         recipients = modest_tny_msg_header_get_all_recipients_list (header);
1286                         g_object_unref (header);
1287                 } else {
1288                         recipients = modest_tny_msg_get_all_recipients_list (msg);
1289                         g_object_unref (msg);
1290                 }
1291         } else if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1292                 /* Check if there are pending addresses to add */
1293                 return !modest_msg_edit_window_has_pending_addresses ((ModestMsgEditWindow *) win);
1294         }
1295
1296         has_recipients_to_add = FALSE;
1297
1298         if (recipients) {
1299                 GSList *node;
1300                 for (node = recipients; node != NULL; node = g_slist_next (node)) {
1301                         const gchar *recipient = (const gchar *) node->data;
1302                         if (modest_text_utils_validate_recipient (recipient, NULL)) {
1303                                 if (!modest_address_book_has_address (recipient)) {
1304                                         has_recipients_to_add = TRUE;
1305                                         break;
1306                                 }
1307                         }
1308                 }
1309                 g_slist_foreach (recipients, (GFunc) g_free, NULL);
1310                 g_slist_free (recipients);
1311         }
1312
1313         return !has_recipients_to_add;
1314 }
1315
1316 /* *********************** static utility functions ******************** */
1317
1318 static gboolean
1319 _selected_folder_is_any_of_type (ModestWindow *win,
1320                                  TnyFolderType types[],
1321                                  guint ntypes)
1322 {
1323         TnyFolderStore *folder = NULL;
1324         TnyFolderType folder_type;
1325         guint i=0;
1326         gboolean result = FALSE;
1327
1328         /*Get current folder */
1329         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1330                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1331                 for (i=0; i < ntypes; i++) {
1332                         result = result || folder_type == types[i];
1333                 }
1334         }
1335
1336         /* free */
1337         if (folder)
1338                 g_object_unref (folder);
1339
1340         return result;
1341 }
1342
1343 static gboolean
1344 _invalid_clipboard_selected (ModestWindow *win,
1345                              ModestDimmingRule *rule)
1346 {
1347         gboolean result = FALSE;
1348         GtkWidget *focused = NULL;
1349
1350         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1351
1352         /* Get focuesed widget */
1353         focused = gtk_container_get_focus_child ((GtkContainer *) win);
1354
1355         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1356                 gboolean has_selection = FALSE;
1357                 if (GTK_IS_TEXT_VIEW (focused)) {
1358                         GtkTextBuffer *buffer = NULL;
1359                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1360                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
1361                 } else if (GTK_IS_EDITABLE (focused)) {
1362                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
1363                 }
1364                 result = !has_selection;
1365         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1366                 if (focused) {
1367                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
1368                         if (GTK_IS_LABEL (focused) &&
1369                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
1370                                 result = TRUE;
1371                         } else if (GTK_IS_TEXT_VIEW (focused)) {
1372                                 GtkTextBuffer *buffer;
1373                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1374                                 result = !gtk_text_buffer_get_has_selection (buffer);
1375                         } else if (GTK_IS_HTML (focused)) {
1376                                 const gchar *sel;
1377                                 int len = -1;
1378                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1379                                 result = ((sel == NULL) || (sel[0] == '\0'));
1380                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1381                                 result = TRUE;
1382                         } else {
1383                                 GtkClipboard *clipboard;
1384                                 gchar *selection;
1385
1386                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1387                                 /* Get clipboard selection*/
1388                                 selection = gtk_clipboard_wait_for_text (clipboard);
1389                                 /* Check dimming */
1390                                 result = (selection == NULL);
1391                                 g_free (selection);
1392                         }
1393                 } else {
1394                         result = TRUE;
1395                 }
1396                 if (result)
1397                         modest_dimming_rule_set_notification (rule, "");
1398         }
1399
1400         return result;
1401 }
1402
1403
1404 static gboolean
1405 _invalid_attach_selected (ModestWindow *win,
1406                           gboolean unique,
1407                           gboolean for_view,
1408                           gboolean for_remove,
1409                           ModestDimmingRule *rule)
1410 {
1411         TnyList *attachments;
1412         gint n_selected;
1413         gboolean nested_attachments = FALSE;
1414         gboolean selected_messages = FALSE;
1415         gboolean result = FALSE;
1416
1417         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1418
1419         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1420
1421                 /* Get selected atachments */
1422                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1423                 n_selected = tny_list_get_length (attachments);
1424
1425                 /* Check unique */
1426                 if (!result) {
1427                         if (unique)
1428                                 result = n_selected != 1;
1429                         else
1430
1431                                 result = n_selected < 1;
1432                 }
1433
1434                 /* Check attached type (view operation not required) */
1435                 if (!result && !for_view)  {
1436                         TnyIterator *iter;
1437                         iter = tny_list_create_iterator (attachments);
1438                         while (!tny_iterator_is_done (iter) && !result) {
1439                                 gboolean not_selectable = FALSE;
1440                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1441                                 TnyList *nested_list = tny_simple_list_new ();
1442                                 tny_mime_part_get_parts (mime_part, nested_list);
1443
1444                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
1445                                         TnyMsg *window_msg;
1446                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1447                                         if ((TnyMimePart *) window_msg != mime_part) {
1448                                                 selected_messages = TRUE;
1449                                                 not_selectable = TRUE;
1450                                         }
1451                                         g_object_unref (window_msg);
1452                                 }
1453                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1454                                         nested_attachments = TRUE;
1455                                         not_selectable = TRUE;
1456                                 }
1457                                 if (not_selectable)
1458                                         n_selected --;
1459                                 g_object_unref (nested_list);
1460                                 g_object_unref (mime_part);
1461                                 tny_iterator_next (iter);
1462                         }
1463                         g_object_unref (iter);
1464                 }
1465
1466                 /* No valid attachment available */
1467                 if (n_selected == 0)
1468                         result = TRUE;
1469
1470                 /* Set notifications */
1471                 if (result && rule != NULL) {
1472                         if (selected_messages) {
1473                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1474                         } else if (nested_attachments) {
1475                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1476                         } else if (n_selected == 0) {
1477                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1478                         } else if (unique) {
1479                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1480                         }
1481                 }
1482
1483                 /* Free */
1484                 g_object_unref (attachments);
1485         }
1486
1487         return result;
1488 }
1489
1490 static gboolean
1491 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1492 {
1493         TnyList *attachments = NULL;
1494         TnyIterator *iter;
1495         gint purged = 0;
1496         gint n_attachments = 0;
1497         gboolean result = FALSE;
1498
1499         /* This should check if _all_ the attachments are already purged. If only some
1500          * of them are purged, then it does not cause dim as there's a confirmation dialog
1501          * for removing only local attachments */
1502
1503         /* Get selected atachments */
1504         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1505                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1506         }
1507
1508         if (attachments == NULL)
1509                 return FALSE;
1510
1511         if (tny_list_get_length (attachments) == 0) {
1512                 g_object_unref (attachments);
1513                 return FALSE;
1514         }
1515
1516         iter = tny_list_create_iterator (attachments);
1517         while (!tny_iterator_is_done (iter)) {
1518                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1519                 if (tny_mime_part_is_purged (mime_part)) {
1520                         purged++;
1521                 }
1522                 n_attachments++;
1523                 g_object_unref (mime_part);
1524                 tny_iterator_next (iter);
1525         }
1526         g_object_unref (iter);
1527
1528         /* Free */
1529         g_object_unref (attachments);
1530
1531         if (all)
1532                 result = (purged == n_attachments);
1533         else
1534                 result = (purged > 0);
1535
1536         /* This string no longer exists, refer to NB#75415 for more info
1537         if (result && (rule != NULL))
1538                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1539         */
1540
1541         return result;
1542 }
1543
1544 static gboolean
1545 _msg_download_in_progress (ModestWindow *win)
1546 {
1547         gboolean result = FALSE;
1548
1549         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
1550
1551         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1552                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
1553         }
1554
1555         return result;
1556 }
1557
1558 static void
1559 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1560 {
1561         GSList **send_queues = (GSList **) userdata;
1562         *send_queues = g_slist_prepend (*send_queues, value);
1563 }
1564
1565 static gboolean
1566 _selected_msg_sent_in_progress (ModestWindow *win)
1567 {
1568         const DimmedState *state = modest_window_get_dimming_state (win);
1569         return (state) ? state->sent_in_progress : TRUE;
1570 }
1571
1572
1573 static gboolean
1574 _invalid_folder_for_purge (ModestWindow *win,
1575                            ModestDimmingRule *rule)
1576 {
1577         TnyFolder *folder = NULL;
1578         TnyAccount *account = NULL;
1579         gboolean result = FALSE;
1580
1581         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1582
1583                 /* Get folder and account of message */
1584                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1585                 g_return_val_if_fail(msg != NULL, TRUE);
1586                 folder = tny_msg_get_folder (msg);
1587                 g_object_unref (msg);
1588                 if (folder == NULL) {
1589                         result = TRUE;
1590                         goto frees;
1591                 }
1592         } else {
1593                 g_return_val_if_reached (FALSE);
1594         }
1595         account = modest_tny_folder_get_account (folder);
1596         if (account == NULL) goto frees;
1597
1598         /* Check account */
1599         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1600                 TnyFolderType types[2];
1601                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1602                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1603
1604                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1605                         result = TRUE;
1606                 }
1607         } else {
1608                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
1609                 /* If it's a remote folder then dim */
1610                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1611                                                                     protocol_type,
1612                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
1613                         result = TRUE;
1614                 }
1615         }
1616
1617 frees:
1618         if (folder != NULL)
1619                 g_object_unref (folder);
1620         if (account != NULL)
1621                 g_object_unref (account);
1622
1623         return result;
1624 }
1625
1626 static gboolean
1627 _transfer_mode_enabled (ModestWindow *win)
1628 {
1629         gboolean result = FALSE;
1630
1631         /* Check dimming */
1632         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1633                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1634         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
1635                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
1636         } else if (MODEST_IS_HEADER_WINDOW (win)) {
1637                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
1638         } else {
1639                 g_warning("_transfer_mode_enabled called with wrong window type");
1640         }
1641
1642         return result;
1643 }
1644
1645 static gboolean
1646 _all_msgs_in_sending_status (ModestHeaderView *header_view)
1647 {
1648         GtkTreeModel *model;
1649         GtkTreeIter iter;
1650         gboolean all_sending = TRUE;
1651
1652         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1653         if (gtk_tree_model_get_iter_first (model, &iter)) {
1654                 do {
1655                         TnyHeader *header;
1656
1657                         gtk_tree_model_get (model, &iter,
1658                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1659                                             &header,
1660                                             -1);
1661
1662                         if (header) {
1663                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
1664                                     MODEST_TNY_SEND_QUEUE_SENDING)
1665                                         all_sending = FALSE;
1666                                 g_object_unref (header);
1667                         }
1668
1669                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
1670         }
1671         return all_sending;
1672 }
1673
1674 gboolean
1675 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
1676                                            gpointer user_data)
1677 {
1678         ModestDimmingRule *rule = NULL;
1679
1680         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1681         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1682         rule = MODEST_DIMMING_RULE (user_data);
1683
1684         /* Check dimmed rule */
1685         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
1686 }
1687
1688 gboolean
1689 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
1690                                          gpointer user_data)
1691 {
1692         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1693
1694         ModestMsgEditFormat format =
1695           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1696
1697         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
1698 }
1699
1700 static gboolean
1701 _send_receive_in_progress (ModestWindow *win)
1702 {
1703         ModestMailOperationQueue *queue;
1704         GSList *op_list, *node;
1705         gboolean found_send_receive;
1706
1707         queue = modest_runtime_get_mail_operation_queue ();
1708         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
1709
1710         found_send_receive = FALSE;
1711         for (node = op_list; node != NULL; node = g_slist_next (node)) {
1712                 ModestMailOperation *op;
1713
1714                 op = (ModestMailOperation *) node->data;
1715                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
1716                         found_send_receive = TRUE;
1717                         break;
1718                 }
1719         }
1720
1721         if (op_list) {
1722                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
1723                 g_slist_free (op_list);
1724         }
1725
1726         return found_send_receive;
1727 }
1728
1729 static gboolean
1730 _msgs_send_in_progress (void)
1731 {
1732         ModestCacheMgr *cache_mgr;
1733         GHashTable *send_queue_cache;
1734         ModestTnySendQueue *send_queue;
1735         GSList *send_queues = NULL, *node = NULL;
1736         gboolean found = FALSE;
1737
1738         cache_mgr = modest_runtime_get_cache_mgr ();
1739         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1740                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1741
1742         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1743
1744         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
1745                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1746
1747                 /* Check if msg uid is being processed inside send queue */
1748                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
1749                         found = TRUE;
1750                         break;
1751                 }
1752         }
1753
1754         g_slist_free (send_queues);
1755
1756         return found;
1757 }
1758
1759 /*****************************************************************************/
1760 /********************** HILDON2 only dimming rules ***************************/
1761 /*****************************************************************************/
1762
1763 gboolean
1764 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1765 {
1766         ModestDimmingRule *rule = NULL;
1767         gboolean dimmed = FALSE;
1768
1769         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1770         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1771         rule = MODEST_DIMMING_RULE (user_data);
1772
1773         /* Check dimmed rule */
1774         dimmed = _transfer_mode_enabled (win);
1775         if (dimmed)
1776                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1777
1778         if (!dimmed)
1779                 dimmed = _forbid_outgoing_xfers (win);
1780
1781         if (!dimmed) {
1782                 GtkWidget *header_view;
1783                 TnyFolder *folder;
1784
1785                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1786                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1787                 if (folder) {
1788                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
1789                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
1790
1791                         if (!dimmed &&
1792                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
1793                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
1794                         }
1795                         g_object_unref (folder);
1796                 }
1797         }
1798
1799         return dimmed;
1800 }
1801
1802 gboolean
1803 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1804 {
1805         ModestDimmingRule *rule = NULL;
1806         gboolean dimmed = FALSE;
1807
1808         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1809         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1810         rule = MODEST_DIMMING_RULE (user_data);
1811
1812         /* Check dimmed rule */
1813         dimmed = _transfer_mode_enabled (win);
1814         if (dimmed)
1815                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1816
1817         if (!dimmed)
1818                 dimmed = _forbid_outgoing_xfers (win);
1819
1820         if (!dimmed && MODEST_IS_FOLDER_WINDOW (win)) {
1821                 ModestFolderView *folder_view;
1822                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1823                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1824                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1825         }
1826
1827         if (!dimmed) {
1828                 dimmed = _transfer_mode_enabled (win);
1829                 if (dimmed)
1830                         modest_dimming_rule_set_notification (rule, "");
1831         }
1832
1833         return dimmed;
1834 }
1835
1836 gboolean
1837 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1838 {
1839         ModestDimmingRule *rule = NULL;
1840         gboolean dimmed = FALSE;
1841
1842         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1843         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1844         rule = MODEST_DIMMING_RULE (user_data);
1845
1846         /* Check dimmed rule */
1847         dimmed = _transfer_mode_enabled (win);
1848         if (dimmed)
1849                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1850
1851         if (MODEST_IS_FOLDER_WINDOW (win)) {
1852                 ModestFolderView *folder_view;
1853                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1854                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1855                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1856         }
1857
1858         if (!dimmed) {
1859                 dimmed = _transfer_mode_enabled (win);
1860                 if (dimmed)
1861                         modest_dimming_rule_set_notification (rule, "");
1862         }
1863
1864         return dimmed;
1865 }
1866
1867 gboolean
1868 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
1869 {
1870         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
1871 }