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