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                 dimmed = modest_ui_dimming_rules_on_folder_window_delete (win, user_data);
 210         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 211
 212                 if (!dimmed)
 213                         dimmed = _transfer_mode_enabled (win);
 214
 215                 if (dimmed)
 216                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 217
 218                 if (!dimmed) {
 219                         GtkWidget *header_view;
 220                         TnyFolder *folder;
 221
 222                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 223                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 224                         if (folder) {
 225                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
 226                                         modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
 227
 228                                 if (!dimmed &&
 229                                     (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
 230                                         dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
 231                                 }
 232                                 g_object_unref (folder);
 233                         }
 234                 }
 235         }
 236
 237         return dimmed;
 238 }
 239
 240
 241 gboolean
 242 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 243 {
 244         gboolean dimmed = FALSE;
 245
 246         if (MODEST_IS_HEADER_WINDOW (win)) {
 247                 return FALSE;
 248         }
 249
 250         return dimmed;
 251 }
 252
 253 gboolean
 254 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 255 {
 256         ModestDimmingRule *rule = NULL;
 257         TnyFolderType types[4];
 258         gboolean dimmed = FALSE;
 259
 260         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 261         rule = MODEST_DIMMING_RULE (user_data);
 262
 263         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 264         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 265         types[2] = TNY_FOLDER_TYPE_SENT;
 266         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 267
 268         if (MODEST_IS_FOLDER_WINDOW (win)) {
 269                 ModestFolderView *folder_view;
 270                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
 271                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
 272                                                                        MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE);
 273         }
 274
 275         if (!dimmed) {
 276                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 277                 if (dimmed)
 278                         modest_dimming_rule_set_notification (rule, "");
 279         }
 280
 281         return dimmed;
 282 }
 283
 284
 285 gboolean
 286 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 287 {
 288         ModestDimmingRule *rule = NULL;
 289         gboolean dimmed = FALSE;
 290         TnyFolderType types[3];
 291
 292         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 293         rule = MODEST_DIMMING_RULE (user_data);
 294
 295         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 296         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 297         types[2] = TNY_FOLDER_TYPE_ROOT;
 298
 299         /* Check dimmed rule */
 300         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 301         if (dimmed)
 302                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 303
 304
 305         /* msg view window dimming rules */
 306         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 307
 308                 /* This could happen if we load the msg view window with a
 309                    preview before loading the full message */
 310                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 311                 if (!msg) {
 312                         dimmed = TRUE;
 313                 } else {
 314                         g_object_unref (msg);
 315                 }
 316
 317                 if (!dimmed) {
 318                         dimmed = _transfer_mode_enabled (win);
 319                         if (dimmed)
 320                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 321                 }
 322                 if (!dimmed) {
 323                         dimmed = _msg_download_in_progress (win);
 324                         if (dimmed)
 325                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 326                 }
 327         }
 328
 329         return dimmed;
 330 }
 331
 332
 333 gboolean
 334 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 335 {
 336         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 337
 338         return TRUE;
 339 }
 340
 341 static gboolean
 342 _message_already_sent (ModestMsgViewWindow *view_window)
 343 {
 344         TnyHeader *header;
 345         TnyFolder *folder;
 346         gboolean already_sent = FALSE;
 347
 348         header = modest_msg_view_window_get_header (view_window);
 349         if (header) {
 350                 folder = tny_header_get_folder (header);
 351                 if (folder) {
 352                         if (modest_tny_folder_guess_folder_type (folder) ==
 353                             TNY_FOLDER_TYPE_OUTBOX) {
 354                                 ModestTnySendQueueStatus status =
 355                                         modest_tny_all_send_queues_get_msg_status (header);
 356                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 357                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 358                                         already_sent = TRUE;
 359                         }
 360                         g_object_unref (folder);
 361                 }
 362                 g_object_unref (header);
 363         }
 364         return already_sent;
 365 }
 366
 367
 368 gboolean
 369 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 370 {
 371         ModestDimmingRule *rule = NULL;
 372         const DimmedState *state = NULL;
 373         gboolean dimmed = FALSE;
 374
 375         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 376         rule = MODEST_DIMMING_RULE (user_data);
 377         state = modest_window_get_dimming_state (win);
 378
 379         /* If we're in transfer mode then do not allow to delete messages */
 380         dimmed = _transfer_mode_enabled (win);
 381         if (dimmed) {
 382                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 383                 return dimmed;
 384         }
 385
 386         /* Check dimmed rule */
 387         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 388                 /* This could happen if we load the msg view window with a
 389                    preview before loading the full message */
 390                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 391                 if (!msg) {
 392                         dimmed = TRUE;
 393                 } else {
 394                         g_object_unref (msg);
 395                 }
 396
 397                 if (!dimmed) {
 398                         if (state)
 399                                 dimmed = state->any_marked_as_deleted;
 400                         if (dimmed) {
 401                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 402                                 modest_dimming_rule_set_notification (rule, msg);
 403                                 g_free (msg);
 404                         }
 405                 }
 406                 if (!dimmed) {
 407                         if (state)
 408                                 dimmed = state->sent_in_progress;
 409                         if (dimmed)
 410                                 modest_dimming_rule_set_notification (rule, _CS_UNABLE_TO_DELETE);
 411                 }
 412
 413                 /* This could happen if we're viewing a message of the
 414                    outbox that has been already sent */
 415                 if (!dimmed)
 416                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 417
 418                 /* The delete button should be dimmed when viewing an attachment,
 419                  * but should be enabled when viewing a message from the list,
 420                  * or when viewing a search result.
 421                  */
 422                 if (!dimmed) {
 423                         TnyMsg *top_msg = NULL;
 424                         top_msg = modest_msg_view_window_get_top_message ((ModestMsgViewWindow *) win);
 425                         if (top_msg != NULL) {
 426                                 g_object_unref (top_msg);
 427                                 dimmed = TRUE;
 428                         }
 429                         if (dimmed) {
 430                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 431                         }
 432                 }
 433         }
 434
 435         return dimmed;
 436 }
 437
 438 gboolean
 439 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 440 {
 441         ModestDimmingRule *rule = NULL;
 442         gboolean dimmed = FALSE;
 443
 444         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 445         rule = MODEST_DIMMING_RULE (user_data);
 446
 447         {
 448                 /* Check dimmed rule */
 449                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 450                         dimmed = _msg_download_in_progress (win);
 451                 if (dimmed)
 452                         modest_dimming_rule_set_notification (rule, "");
 453         }
 454
 455         return dimmed;
 456 }
 457
 458 gboolean
 459 modest_ui_dimming_rules_on_fetch_images (ModestWindow *win, gpointer user_data)
 460 {
 461         gboolean dimmed = FALSE;
 462         ModestDimmingRule *rule = NULL;
 463
 464         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 465         rule = MODEST_DIMMING_RULE (user_data);
 466
 467         dimmed = !modest_msg_view_window_has_blocked_external_images (MODEST_MSG_VIEW_WINDOW (win));
 468
 469         if (!dimmed) {
 470                 dimmed = _transfer_mode_enabled (win);
 471                 if (dimmed)
 472                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 473         }
 474         if (!dimmed) {
 475                 dimmed = _msg_download_in_progress (win);
 476                 if (dimmed)
 477                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 478         }
 479
 480         return dimmed;
 481 }
 482
 483
 484 gboolean
 485 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 486 {
 487         ModestDimmingRule *rule = NULL;
 488         TnyHeader *header;
 489         TnyHeaderFlags flags;
 490         gboolean dimmed = FALSE;
 491
 492
 493         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 494         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 495         rule = MODEST_DIMMING_RULE (user_data);
 496
 497         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 498         if (!header) {
 499                 dimmed = TRUE;
 500         }
 501
 502         /* If the viewer is showing a message sent as attachment */
 503         if (!dimmed)
 504                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 505
 506         if (!dimmed) {
 507                 flags = tny_header_get_flags (header);
 508                 if (flags & TNY_HEADER_FLAG_SEEN)
 509                         dimmed = TRUE;
 510         }
 511
 512         if (header)
 513                 g_object_unref (header);
 514         return dimmed;
 515 }
 516
 517
 518 gboolean
 519 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 520 {
 521         ModestDimmingRule *rule = NULL;
 522         TnyHeader *header;
 523         TnyHeaderFlags flags;
 524         gboolean dimmed = FALSE;
 525
 526
 527         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 528         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 529         rule = MODEST_DIMMING_RULE (user_data);
 530
 531         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 532         if (!header) {
 533                 dimmed = TRUE;
 534         }
 535
 536         /* If the viewer is showing a message sent as attachment */
 537         if (!dimmed)
 538                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 539
 540         if (!dimmed) {
 541                 flags = tny_header_get_flags (header);
 542                 if (!(flags & TNY_HEADER_FLAG_SEEN))
 543                         dimmed = TRUE;
 544         }
 545
 546         if (header)
 547                 g_object_unref (header);
 548         return dimmed;
 549 }
 550
 551 gboolean
 552 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 553 {
 554         ModestDimmingRule *rule = NULL;
 555         gboolean dimmed = FALSE;
 556
 557         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 558         rule = MODEST_DIMMING_RULE (user_data);
 559
 560         if (MODEST_IS_HEADER_WINDOW (win))
 561                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
 562         else if (MODEST_IS_FOLDER_WINDOW (win))
 563                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
 564         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 565                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 566
 567         return dimmed;
 568 }
 569
 570
 571 static gboolean
 572 _forbid_outgoing_xfers (ModestWindow *window)
 573 {
 574         const gchar *account_name = NULL;
 575         TnyAccount *account = NULL;
 576         gboolean dimmed = FALSE;
 577
 578 #ifdef MODEST_TOOLKIT_HILDON2
 579         /* We cannot just get the active account because the active
 580            account of a header window that shows the headers of a
 581            local account is the ID of the remote account */
 582         if (MODEST_IS_HEADER_WINDOW (window)) {
 583                 ModestHeaderView *header_view;
 584                 TnyFolder *folder;
 585
 586                 header_view = modest_header_window_get_header_view ((ModestHeaderWindow *) window);
 587                 folder = modest_header_view_get_folder (header_view);
 588
 589                 if (folder) {
 590                         account = modest_tny_folder_get_account (folder);
 591                         g_object_unref (folder);
 592                 }
 593         }
 594 #endif
 595
 596         if (!account) {
 597                 account_name = modest_window_get_active_account (window);
 598                 account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
 599                                                                        account_name,
 600                                                                        TNY_ACCOUNT_TYPE_STORE);
 601         }
 602
 603         if (account) {
 604                 ModestProtocolType protocol_type;
 605
 606                 protocol_type = modest_tny_account_get_protocol_type (account);
 607                 dimmed  = modest_protocol_registry_protocol_type_has_tag
 608                         (modest_runtime_get_protocol_registry (),
 609                          protocol_type,
 610                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
 611
 612                 g_object_unref (account);
 613         }
 614         return dimmed;
 615 }
 616
 617 gboolean
 618 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 619 {
 620         ModestDimmingRule *rule = NULL;
 621         gboolean dimmed = FALSE;
 622
 623         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 624         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 625         rule = MODEST_DIMMING_RULE (user_data);
 626
 627         /* This could happen if we load the msg view window with a
 628            preview before loading the full message */
 629         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 630         if (!msg) {
 631                 return TRUE;
 632         } else {
 633                 g_object_unref (msg);
 634         }
 635
 636         /* Check dimmed rule */
 637         dimmed = _transfer_mode_enabled (win);
 638         if (dimmed)
 639                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 640
 641         if (!dimmed)
 642                 dimmed = _forbid_outgoing_xfers (win);
 643
 644         if (!dimmed) {
 645                 const DimmedState *state = modest_window_get_dimming_state (win);
 646                 if (state) {
 647                         dimmed = state->any_marked_as_deleted;
 648                         if (dimmed) {
 649                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 650                                 modest_dimming_rule_set_notification (rule, msg);
 651                                 g_free (msg);
 652                         }
 653                 }
 654         }
 655
 656         if (!dimmed) {
 657                 dimmed = _selected_msg_sent_in_progress (win);
 658                 if (dimmed)
 659                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 660         }
 661
 662         /* This could happen if we're viewing a message of the outbox
 663            that has been already sent */
 664         if (!dimmed)
 665                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 666
 667         if (!dimmed) {
 668                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 669                         /* The move_to button should be dimmed when viewing an attachment,
 670                          * but should be enabled when viewing a message from the list,
 671                          * or when viewing a search result.
 672                          */
 673                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 674                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 675                         }
 676                 }
 677                 if (dimmed)
 678                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
 679         }
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
 686 {
 687         ModestDimmingRule *rule = NULL;
 688         gboolean dimmed = FALSE;
 689
 690         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 691         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 692         rule = MODEST_DIMMING_RULE (user_data);
 693
 694         /* This could happen if we load the msg view window with a
 695            preview before loading the full message */
 696         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 697                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 698                 if (!msg) {
 699                         return TRUE;
 700                 } else {
 701                         g_object_unref (msg);
 702                 }
 703         }
 704
 705         /* Check dimmed rule */
 706         dimmed = _transfer_mode_enabled (win);
 707         if (dimmed)
 708                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 709
 710         return dimmed;
 711 }
 712
 713
 714 gboolean
 715 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 716 {
 717         ModestDimmingRule *rule = NULL;
 718         gboolean dimmed = FALSE;
 719         GtkWidget *focused = NULL;
 720
 721         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 722         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 723         rule = MODEST_DIMMING_RULE (user_data);
 724
 725         focused = gtk_container_get_focus_child ((GtkContainer *) win);
 726
 727         if (!dimmed && GTK_IS_ENTRY (focused)) {
 728                 const gchar *current_text;
 729                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
 730                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
 731         }
 732
 733         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
 734                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
 735                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
 736         }
 737
 738         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
 739                 dimmed = FALSE;
 740         return dimmed;
 741 }
 742
 743 gboolean
 744 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 745 {
 746         ModestDimmingRule *rule = NULL;
 747         gboolean dimmed = FALSE;
 748
 749         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 750         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 751         rule = MODEST_DIMMING_RULE (user_data);
 752
 753         /* Check dimmed rule */
 754         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 755
 756         if (!dimmed) {
 757                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 758                 if (dimmed) {
 759                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 760                 }
 761         }
 762
 763         return dimmed;
 764 }
 765
 766 static gboolean
 767 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
 768 {
 769         gint n_attachments;
 770         TnyList *attachments;
 771         gboolean result = FALSE;
 772
 773         /* Get atachments */
 774         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
 775         n_attachments = tny_list_get_length (attachments);
 776
 777         /* Check unique */
 778         if (!result) {
 779                 result = n_attachments < 1;
 780         }
 781
 782         /* Check attached type (view operation not required) */
 783         if (!result)  {
 784                 gint n_valid = 0;
 785
 786                 TnyIterator *iter;
 787                 iter = tny_list_create_iterator (attachments);
 788                 while (!tny_iterator_is_done (iter)) {
 789                         gboolean is_valid = TRUE;
 790                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
 791                         TnyList *nested_list = tny_simple_list_new ();
 792                         tny_mime_part_get_parts (mime_part, nested_list);
 793
 794                         if (tny_mime_part_is_purged (mime_part)) {
 795                                 is_valid = FALSE;
 796                         }
 797
 798                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
 799                                 TnyMsg *window_msg;
 800                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 801                                 if (window_msg) {
 802                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
 803                                                 is_valid = FALSE;
 804                                         }
 805                                         g_object_unref (window_msg);
 806                                 }
 807                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
 808                                         is_valid = FALSE;
 809                                 }
 810                         }
 811                         g_object_unref (nested_list);
 812                         g_object_unref (mime_part);
 813                         tny_iterator_next (iter);
 814
 815                         if (is_valid)
 816                                 n_valid++;
 817                 }
 818                 g_object_unref (iter);
 819                 result = (n_valid == 0);
 820         }
 821         g_object_unref (attachments);
 822         return result;
 823
 824 }
 825
 826 gboolean
 827 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 828 {
 829         ModestDimmingRule *rule = NULL;
 830         gboolean dimmed = FALSE;
 831
 832         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 833         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 834         rule = MODEST_DIMMING_RULE (user_data);
 835
 836         /* Check dimmed rule */
 837
 838         dimmed = _not_valid_attachments (win, TRUE);
 839         return dimmed;
 840 }
 841
 842 gboolean
 843 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 844 {
 845         ModestDimmingRule *rule = NULL;
 846         const DimmedState *state = NULL;
 847         gboolean dimmed = FALSE;
 848
 849         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 850         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 851         rule = MODEST_DIMMING_RULE (user_data);
 852         state = modest_window_get_dimming_state (win);
 853
 854
 855         /* Check in view window if there's any attachment selected */
 856         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 857                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 858                 if (dimmed)
 859                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 860         }
 861
 862         if (!dimmed) {
 863
 864                 dimmed = _selected_msg_sent_in_progress (win);
 865                 if (dimmed) {
 866                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 867                 }
 868         }
 869
 870         /* cannot purge in editable drafts nor pop folders */
 871         if (!dimmed) {
 872                 dimmed = _invalid_folder_for_purge (win, rule);
 873                 if (dimmed)
 874                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 875         }
 876
 877         /* Check if all attachments are already purged */
 878         if (!dimmed) {
 879                 dimmed = _purged_attach_selected (win, TRUE, rule);
 880         }
 881
 882         return dimmed;
 883 }
 884
 885 gboolean
 886 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 887 {
 888         ModestDimmingRule *rule = NULL;
 889         gboolean dimmed = FALSE;
 890
 891         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 892         rule = MODEST_DIMMING_RULE (user_data);
 893
 894         /* Check dimmed rule */
 895         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
 896                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
 897         }
 898
 899         return dimmed;
 900 }
 901
 902 gboolean
 903 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
 904 {
 905         ModestDimmingRule *rule = NULL;
 906         gboolean dimmed = FALSE;
 907
 908         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 909         rule = MODEST_DIMMING_RULE (user_data);
 910
 911         /* Check dimmed rule */
 912         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 913                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
 914         }
 915
 916         return dimmed;
 917 }
 918
 919 gboolean
 920 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 921 {
 922         ModestDimmingRule *rule = NULL;
 923         const DimmedState *state = NULL;
 924         gboolean dimmed = FALSE;
 925
 926         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 927         rule = MODEST_DIMMING_RULE (user_data);
 928         state = modest_window_get_dimming_state (win);
 929
 930         /* Check common dimming rules */
 931         dimmed = _invalid_clipboard_selected (win, rule);
 932
 933         return dimmed;
 934 }
 935
 936 gboolean
 937 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 938 {
 939         ModestDimmingRule *rule = NULL;
 940         const DimmedState *state = NULL;
 941         gboolean dimmed = FALSE;
 942
 943         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 944         rule = MODEST_DIMMING_RULE (user_data);
 945         state = modest_window_get_dimming_state (win);
 946
 947         /* Check common dimming rules */
 948         dimmed = _invalid_clipboard_selected (win, rule);
 949
 950         return dimmed;
 951 }
 952
 953 gboolean
 954 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
 955 {
 956         ModestDimmingRule *rule = NULL;
 957         gboolean dimmed = FALSE;
 958
 959         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 960         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 961         rule = MODEST_DIMMING_RULE (user_data);
 962
 963         /* Check common dimming rules */
 964         ModestMsgEditFormat format;
 965         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 966
 967         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
 968         if (dimmed)
 969                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
 970
 971         if (!dimmed) {
 972                 GtkWidget *body;
 973                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
 974                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
 975
 976                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
 977                 if (dimmed)
 978                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
 979         }
 980
 981
 982         return dimmed;
 983 }
 984
 985 gboolean
 986 modest_ui_dimming_rules_on_editor_show_toolbar (ModestWindow *win, gpointer user_data)
 987 {
 988         ModestDimmingRule *rule = NULL;
 989         gboolean dimmed = FALSE;
 990
 991         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 992         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
 993         rule = MODEST_DIMMING_RULE (user_data);
 994
 995         /* Check common dimming rules */
 996         ModestMsgEditFormat format;
 997         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
 998
 999         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1000         if (dimmed)
1001                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1002
1003         return dimmed;
1004 }
1005
1006 gboolean
1007 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1008 {
1009         ModestDimmingRule *rule = NULL;
1010         gboolean dimmed = FALSE;
1011
1012         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1013         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1014         rule = MODEST_DIMMING_RULE (user_data);
1015
1016         GtkWidget *body;
1017         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1018                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1019
1020         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1021         if (dimmed)
1022                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1023
1024         return dimmed;
1025 }
1026
1027 gboolean
1028 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1029 {
1030         ModestDimmingRule *rule = NULL;
1031         gboolean dimmed = FALSE;
1032         GtkWidget *focused = NULL;
1033
1034         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1035         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1036         rule = MODEST_DIMMING_RULE (user_data);
1037
1038         focused = gtk_container_get_focus_child ((GtkContainer *) win);
1039
1040         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1041
1042         if (!dimmed) {
1043                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1044         }
1045
1046         if (!dimmed) {
1047                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1048                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1049
1050                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1051                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1052         }
1053
1054         return dimmed;
1055 }
1056
1057 gboolean
1058 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1059 {
1060         ModestDimmingRule *rule = NULL;
1061         gboolean dimmed = FALSE;
1062         TnyList *selected_attachments = NULL;
1063         gint n_att_selected = 0;
1064         GtkWidget *attachments_view;
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         attachments_view = modest_msg_edit_window_get_child_widget (
1071                                                                     MODEST_MSG_EDIT_WINDOW (win),
1072                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1073
1074         selected_attachments = modest_attachments_view_get_attachments (
1075                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1076         n_att_selected = tny_list_get_length (selected_attachments);
1077         g_object_unref (selected_attachments);
1078
1079         dimmed = (n_att_selected < 1);
1080
1081         return dimmed;
1082 }
1083
1084 gboolean
1085 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1086 {
1087         ModestDimmingRule *rule = NULL;
1088         gboolean dimmed = FALSE;
1089         GtkWidget *body_field;
1090
1091         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1092         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1093         rule = MODEST_DIMMING_RULE (user_data);
1094
1095         body_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1096                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1097
1098         if (!dimmed) {
1099                 GtkWidget *to_field, *cc_field, *bcc_field;
1100                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1101                 cc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1102                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1103                 to_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1104                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1105                 bcc_field = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1106                                                                      MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1107                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1108                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1109                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1110
1111                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1112                            gtk_text_buffer_get_char_count (cc_buffer) +
1113                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1114
1115                 if (!dimmed) {
1116                         if (modest_text_utils_no_recipient (to_buffer) &&
1117                             modest_text_utils_no_recipient (cc_buffer) &&
1118                             modest_text_utils_no_recipient (bcc_buffer))
1119                                 dimmed = TRUE;
1120                 }
1121
1122                 if (dimmed)
1123                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1124         }
1125
1126         return dimmed;
1127 }
1128
1129 gboolean
1130 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1131 {
1132         ModestDimmingRule *rule = NULL;
1133         gboolean dimmed = FALSE;
1134
1135         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1136         rule = MODEST_DIMMING_RULE (user_data);
1137
1138         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1139
1140         /* Check dimmed rule */
1141         dimmed = _transfer_mode_enabled (win);
1142         if (dimmed)
1143                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1144
1145         if (!dimmed) {
1146                 dimmed = modest_msg_view_window_first_message_selected (
1147                                 MODEST_MSG_VIEW_WINDOW(win));
1148                 modest_dimming_rule_set_notification (rule, NULL);
1149         }
1150
1151         return dimmed;
1152 }
1153
1154 gboolean
1155 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1156 {
1157         ModestDimmingRule *rule = NULL;
1158         gboolean dimmed = FALSE;
1159
1160         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1161         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1162         rule = MODEST_DIMMING_RULE (user_data);
1163
1164         /* Check dimmed rule */
1165         dimmed = _transfer_mode_enabled (win);
1166         if (dimmed)
1167                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1168
1169         if (!dimmed) {
1170                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1171                 modest_dimming_rule_set_notification (rule, NULL);
1172         }
1173
1174         return dimmed;
1175 }
1176
1177
1178 gboolean
1179 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1180 {
1181         gboolean dimmed;
1182         ModestAccountMgr *mgr;
1183
1184         mgr = modest_runtime_get_account_mgr();
1185         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1186
1187         /* Dimm it if we only have metaaccounts */
1188         if (!dimmed) {
1189                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1190                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1191
1192                 if (account_names) {
1193                         ModestProtocolType store_protocol;
1194                         gboolean found = FALSE;
1195                         GSList *iter = account_names;
1196                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1197
1198                         while (iter && !found) {
1199                                 gchar* account_name;
1200
1201                                 account_name = (gchar *) iter->data;
1202                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1203
1204                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1205                                         found = TRUE;
1206                                 else
1207                                         iter = g_slist_next (iter);
1208                         }
1209                         modest_account_mgr_free_account_names (account_names);
1210                         dimmed = !found;
1211                 }
1212         }
1213
1214         return dimmed;
1215 }
1216
1217 gboolean
1218 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1219 {
1220         /* We dim if no msg send is in progress (and then cancelling send all has no
1221          * effect */
1222         return !_msgs_send_in_progress ();
1223 }
1224
1225 gboolean
1226 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1227 {
1228         ModestDimmingRule *rule = NULL;
1229         gboolean dimmed = FALSE;
1230         ModestAccountMgr *mgr;
1231         const gchar* account_name;
1232
1233         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1234         rule = MODEST_DIMMING_RULE (user_data);
1235         mgr = modest_runtime_get_account_mgr();
1236
1237         /* Check dimmed rule */
1238         account_name = modest_window_get_active_account (win);
1239
1240         if (account_name)
1241                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1242         else
1243                 dimmed = TRUE;
1244
1245         if (dimmed)
1246                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1247
1248         return dimmed;
1249 }
1250
1251 gboolean
1252 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1253 {
1254         ModestDimmingRule *rule = NULL;
1255         gboolean dimmed = FALSE;
1256
1257         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1258         rule = MODEST_DIMMING_RULE (user_data);
1259
1260         /* Check dimmed rule */
1261         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1262         if (g_slist_length (account_names) < 1)
1263                 dimmed = TRUE;
1264         if (dimmed)
1265                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1266
1267         modest_account_mgr_free_account_names (account_names);
1268
1269         if (!dimmed) {
1270                 dimmed = _send_receive_in_progress (win);
1271         }
1272
1273         return dimmed;
1274 }
1275
1276 gboolean
1277 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1278 {
1279         GSList *recipients = NULL;
1280         gboolean has_recipients_to_add;
1281
1282         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1283
1284         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1285                 TnyMsg *msg;
1286
1287                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1288
1289                 /* Message is loaded asynchronously, so this could happen */
1290                 if (!msg) {
1291                         TnyHeader *header;
1292
1293                         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1294                         if (!header)
1295                                 return TRUE;
1296
1297                         recipients = modest_tny_msg_header_get_all_recipients_list (header);
1298                         g_object_unref (header);
1299                 } else {
1300                         recipients = modest_tny_msg_get_all_recipients_list (msg);
1301                         g_object_unref (msg);
1302                 }
1303         } else if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1304                 /* Check if there are pending addresses to add */
1305                 return !modest_msg_edit_window_has_pending_addresses ((ModestMsgEditWindow *) win);
1306         }
1307
1308         has_recipients_to_add = FALSE;
1309
1310         if (recipients) {
1311                 GSList *node;
1312                 for (node = recipients; node != NULL; node = g_slist_next (node)) {
1313                         const gchar *recipient = (const gchar *) node->data;
1314                         if (modest_text_utils_validate_recipient (recipient, NULL)) {
1315                                 if (!modest_address_book_has_address (recipient)) {
1316                                         has_recipients_to_add = TRUE;
1317                                         break;
1318                                 }
1319                         }
1320                 }
1321                 g_slist_foreach (recipients, (GFunc) g_free, NULL);
1322                 g_slist_free (recipients);
1323         }
1324
1325         return !has_recipients_to_add;
1326 }
1327
1328 /* *********************** static utility functions ******************** */
1329
1330 static gboolean
1331 _selected_folder_is_any_of_type (ModestWindow *win,
1332                                  TnyFolderType types[],
1333                                  guint ntypes)
1334 {
1335         TnyFolderStore *folder = NULL;
1336         TnyFolderType folder_type;
1337         guint i=0;
1338         gboolean result = FALSE;
1339
1340         /*Get current folder */
1341         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1342                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1343                 for (i=0; i < ntypes; i++) {
1344                         result = result || folder_type == types[i];
1345                 }
1346         }
1347
1348         /* free */
1349         if (folder)
1350                 g_object_unref (folder);
1351
1352         return result;
1353 }
1354
1355 static gboolean
1356 _invalid_clipboard_selected (ModestWindow *win,
1357                              ModestDimmingRule *rule)
1358 {
1359         gboolean result = FALSE;
1360         GtkWidget *focused = NULL;
1361
1362         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1363
1364         /* Get focuesed widget */
1365         focused = gtk_container_get_focus_child ((GtkContainer *) win);
1366
1367         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1368                 gboolean has_selection = FALSE;
1369                 if (GTK_IS_TEXT_VIEW (focused)) {
1370                         GtkTextBuffer *buffer = NULL;
1371                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1372                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
1373                 } else if (GTK_IS_EDITABLE (focused)) {
1374                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
1375                 }
1376                 result = !has_selection;
1377         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1378                 if (focused) {
1379                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
1380                         if (GTK_IS_LABEL (focused) &&
1381                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
1382                                 result = TRUE;
1383                         } else if (GTK_IS_TEXT_VIEW (focused)) {
1384                                 GtkTextBuffer *buffer;
1385                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1386                                 result = !gtk_text_buffer_get_has_selection (buffer);
1387                         } else if (GTK_IS_HTML (focused)) {
1388                                 const gchar *sel;
1389                                 int len = -1;
1390                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1391                                 result = ((sel == NULL) || (sel[0] == '\0'));
1392                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
1393                                 result = TRUE;
1394                         } else {
1395                                 GtkClipboard *clipboard;
1396                                 gchar *selection;
1397
1398                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1399                                 /* Get clipboard selection*/
1400                                 selection = gtk_clipboard_wait_for_text (clipboard);
1401                                 /* Check dimming */
1402                                 result = (selection == NULL);
1403                                 g_free (selection);
1404                         }
1405                 } else {
1406                         result = TRUE;
1407                 }
1408                 if (result)
1409                         modest_dimming_rule_set_notification (rule, "");
1410         }
1411
1412         return result;
1413 }
1414
1415
1416 static gboolean
1417 _invalid_attach_selected (ModestWindow *win,
1418                           gboolean unique,
1419                           gboolean for_view,
1420                           gboolean for_remove,
1421                           ModestDimmingRule *rule)
1422 {
1423         TnyList *attachments;
1424         gint n_selected;
1425         gboolean nested_attachments = FALSE;
1426         gboolean selected_messages = FALSE;
1427         gboolean result = FALSE;
1428
1429         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1430
1431         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1432
1433                 /* Get selected atachments */
1434                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1435                 n_selected = tny_list_get_length (attachments);
1436
1437                 /* Check unique */
1438                 if (!result) {
1439                         if (unique)
1440                                 result = n_selected != 1;
1441                         else
1442
1443                                 result = n_selected < 1;
1444                 }
1445
1446                 /* Check attached type (view operation not required) */
1447                 if (!result && !for_view)  {
1448                         TnyIterator *iter;
1449                         iter = tny_list_create_iterator (attachments);
1450                         while (!tny_iterator_is_done (iter) && !result) {
1451                                 gboolean not_selectable = FALSE;
1452                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1453                                 TnyList *nested_list = tny_simple_list_new ();
1454                                 tny_mime_part_get_parts (mime_part, nested_list);
1455
1456                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
1457                                         TnyMsg *window_msg;
1458                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1459                                         if ((TnyMimePart *) window_msg != mime_part) {
1460                                                 selected_messages = TRUE;
1461                                                 not_selectable = TRUE;
1462                                         }
1463                                         g_object_unref (window_msg);
1464                                 }
1465                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1466                                         nested_attachments = TRUE;
1467                                         not_selectable = TRUE;
1468                                 }
1469                                 if (not_selectable)
1470                                         n_selected --;
1471                                 g_object_unref (nested_list);
1472                                 g_object_unref (mime_part);
1473                                 tny_iterator_next (iter);
1474                         }
1475                         g_object_unref (iter);
1476                 }
1477
1478                 /* No valid attachment available */
1479                 if (n_selected == 0)
1480                         result = TRUE;
1481
1482                 /* Set notifications */
1483                 if (result && rule != NULL) {
1484                         if (selected_messages) {
1485                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1486                         } else if (nested_attachments) {
1487                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1488                         } else if (n_selected == 0) {
1489                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1490                         } else if (unique) {
1491                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1492                         }
1493                 }
1494
1495                 /* Free */
1496                 g_object_unref (attachments);
1497         }
1498
1499         return result;
1500 }
1501
1502 static gboolean
1503 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1504 {
1505         TnyList *attachments = NULL;
1506         TnyIterator *iter;
1507         gint purged = 0;
1508         gint n_attachments = 0;
1509         gboolean result = FALSE;
1510
1511         /* This should check if _all_ the attachments are already purged. If only some
1512          * of them are purged, then it does not cause dim as there's a confirmation dialog
1513          * for removing only local attachments */
1514
1515         /* Get selected atachments */
1516         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1517                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1518         }
1519
1520         if (attachments == NULL)
1521                 return FALSE;
1522
1523         if (tny_list_get_length (attachments) == 0) {
1524                 g_object_unref (attachments);
1525                 return FALSE;
1526         }
1527
1528         iter = tny_list_create_iterator (attachments);
1529         while (!tny_iterator_is_done (iter)) {
1530                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1531                 if (tny_mime_part_is_purged (mime_part)) {
1532                         purged++;
1533                 }
1534                 n_attachments++;
1535                 g_object_unref (mime_part);
1536                 tny_iterator_next (iter);
1537         }
1538         g_object_unref (iter);
1539
1540         /* Free */
1541         g_object_unref (attachments);
1542
1543         if (all)
1544                 result = (purged == n_attachments);
1545         else
1546                 result = (purged > 0);
1547
1548         /* This string no longer exists, refer to NB#75415 for more info
1549         if (result && (rule != NULL))
1550                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1551         */
1552
1553         return result;
1554 }
1555
1556 static gboolean
1557 _msg_download_in_progress (ModestWindow *win)
1558 {
1559         gboolean result = FALSE;
1560
1561         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
1562
1563         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1564                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
1565         }
1566
1567         return result;
1568 }
1569
1570 static void
1571 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1572 {
1573         GSList **send_queues = (GSList **) userdata;
1574         *send_queues = g_slist_prepend (*send_queues, value);
1575 }
1576
1577 static gboolean
1578 _selected_msg_sent_in_progress (ModestWindow *win)
1579 {
1580         const DimmedState *state = modest_window_get_dimming_state (win);
1581         return (state) ? state->sent_in_progress : TRUE;
1582 }
1583
1584
1585 static gboolean
1586 _invalid_folder_for_purge (ModestWindow *win,
1587                            ModestDimmingRule *rule)
1588 {
1589         TnyFolder *folder = NULL;
1590         TnyAccount *account = NULL;
1591         gboolean result = FALSE;
1592
1593         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1594
1595                 /* Get folder and account of message */
1596                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1597                 g_return_val_if_fail(msg != NULL, TRUE);
1598                 folder = tny_msg_get_folder (msg);
1599                 g_object_unref (msg);
1600                 if (folder == NULL) {
1601                         result = TRUE;
1602                         goto frees;
1603                 }
1604         } else {
1605                 g_return_val_if_reached (FALSE);
1606         }
1607         account = modest_tny_folder_get_account (folder);
1608         if (account == NULL) goto frees;
1609
1610         /* Check account */
1611         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1612                 TnyFolderType types[2];
1613                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1614                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1615
1616                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1617                         result = TRUE;
1618                 }
1619         } else {
1620                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
1621                 /* If it's a remote folder then dim */
1622                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1623                                                                     protocol_type,
1624                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
1625                         result = TRUE;
1626                 }
1627         }
1628
1629 frees:
1630         if (folder != NULL)
1631                 g_object_unref (folder);
1632         if (account != NULL)
1633                 g_object_unref (account);
1634
1635         return result;
1636 }
1637
1638 static gboolean
1639 _transfer_mode_enabled (ModestWindow *win)
1640 {
1641         gboolean result = FALSE;
1642
1643         /* Check dimming */
1644         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1645                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1646         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
1647                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
1648         } else if (MODEST_IS_HEADER_WINDOW (win)) {
1649                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
1650         } else {
1651                 g_warning("_transfer_mode_enabled called with wrong window type");
1652         }
1653
1654         return result;
1655 }
1656
1657 static gboolean
1658 _all_msgs_in_sending_status (ModestHeaderView *header_view)
1659 {
1660         GtkTreeModel *model;
1661         GtkTreeIter iter;
1662         gboolean all_sending = TRUE;
1663
1664         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
1665         if (gtk_tree_model_get_iter_first (model, &iter)) {
1666                 do {
1667                         TnyHeader *header;
1668
1669                         gtk_tree_model_get (model, &iter,
1670                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1671                                             &header,
1672                                             -1);
1673
1674                         if (header) {
1675                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
1676                                     MODEST_TNY_SEND_QUEUE_SENDING)
1677                                         all_sending = FALSE;
1678                                 g_object_unref (header);
1679                         }
1680
1681                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
1682         }
1683         return all_sending;
1684 }
1685
1686 gboolean
1687 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
1688                                            gpointer user_data)
1689 {
1690         ModestDimmingRule *rule = NULL;
1691
1692         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1693         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1694         rule = MODEST_DIMMING_RULE (user_data);
1695
1696         /* Check dimmed rule */
1697         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
1698 }
1699
1700 gboolean
1701 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
1702                                          gpointer user_data)
1703 {
1704         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
1705
1706         return modest_ui_dimming_rules_on_set_style (win, user_data);
1707 }
1708
1709 static gboolean
1710 _send_receive_in_progress (ModestWindow *win)
1711 {
1712         ModestMailOperationQueue *queue;
1713         GSList *op_list, *node;
1714         gboolean found_send_receive;
1715
1716         queue = modest_runtime_get_mail_operation_queue ();
1717         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
1718
1719         found_send_receive = FALSE;
1720         for (node = op_list; node != NULL; node = g_slist_next (node)) {
1721                 ModestMailOperation *op;
1722
1723                 op = (ModestMailOperation *) node->data;
1724                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
1725                         found_send_receive = TRUE;
1726                         break;
1727                 }
1728         }
1729
1730         if (op_list) {
1731                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
1732                 g_slist_free (op_list);
1733         }
1734
1735         return found_send_receive;
1736 }
1737
1738 static gboolean
1739 _msgs_send_in_progress (void)
1740 {
1741         ModestCacheMgr *cache_mgr;
1742         GHashTable *send_queue_cache;
1743         ModestTnySendQueue *send_queue;
1744         GSList *send_queues = NULL, *node = NULL;
1745         gboolean found = FALSE;
1746
1747         cache_mgr = modest_runtime_get_cache_mgr ();
1748         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1749                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1750
1751         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1752
1753         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
1754                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1755
1756                 /* Check if msg uid is being processed inside send queue */
1757                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
1758                         found = TRUE;
1759                         break;
1760                 }
1761         }
1762
1763         g_slist_free (send_queues);
1764
1765         return found;
1766 }
1767
1768 gboolean
1769 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1770 {
1771         ModestDimmingRule *rule = NULL;
1772         gboolean dimmed = FALSE;
1773
1774         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1775         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1776         rule = MODEST_DIMMING_RULE (user_data);
1777
1778         /* Check dimmed rule */
1779         dimmed = _transfer_mode_enabled (win);
1780         if (dimmed)
1781                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1782
1783         if (!dimmed)
1784                 dimmed = _forbid_outgoing_xfers (win);
1785
1786         if (!dimmed) {
1787                 GtkWidget *header_view;
1788                 TnyFolder *folder;
1789
1790                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1791                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1792                 if (folder) {
1793                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
1794                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
1795
1796                         if (!dimmed &&
1797                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
1798                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
1799                         }
1800                         g_object_unref (folder);
1801                 }
1802         }
1803
1804         return dimmed;
1805 }
1806
1807 gboolean
1808 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1809 {
1810         ModestDimmingRule *rule = NULL;
1811         gboolean dimmed = FALSE;
1812
1813         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1814         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1815         rule = MODEST_DIMMING_RULE (user_data);
1816
1817         /* Check dimmed rule */
1818         dimmed = _transfer_mode_enabled (win);
1819         if (dimmed)
1820                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1821
1822         if (!dimmed)
1823                 dimmed = _forbid_outgoing_xfers (win);
1824
1825         if (!dimmed && MODEST_IS_FOLDER_WINDOW (win)) {
1826                 ModestFolderView *folder_view;
1827                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1828                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1829                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1830         }
1831
1832         if (!dimmed) {
1833                 dimmed = _transfer_mode_enabled (win);
1834                 if (dimmed)
1835                         modest_dimming_rule_set_notification (rule, "");
1836         }
1837
1838         return dimmed;
1839 }
1840
1841 gboolean
1842 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1843 {
1844         ModestDimmingRule *rule = NULL;
1845         gboolean dimmed = FALSE;
1846
1847         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1848         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1849         rule = MODEST_DIMMING_RULE (user_data);
1850
1851         /* Check dimmed rule */
1852         dimmed = _transfer_mode_enabled (win);
1853         if (dimmed)
1854                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1855
1856         if (MODEST_IS_FOLDER_WINDOW (win)) {
1857                 ModestFolderView *folder_view;
1858                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1859                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1860                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1861         }
1862
1863         if (!dimmed) {
1864                 dimmed = _transfer_mode_enabled (win);
1865                 if (dimmed)
1866                         modest_dimming_rule_set_notification (rule, "");
1867         }
1868
1869         return dimmed;
1870 }
1871
1872 gboolean
1873 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
1874 {
1875         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
1876 }