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-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43 #include <widgets/modest-recpt-editor.h>
  44
  45
  46 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  47 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  48 static gboolean _invalid_attach_selected (ModestWindow *win,
  49                                           gboolean unique, gboolean for_view, gboolean for_remove,
  50                                           ModestDimmingRule *rule);
  51 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  52 static gboolean _clipboard_is_empty (ModestWindow *win);
  53 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  54 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  55 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  56 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  57 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  59 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  61 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  62 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  63 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  64 static gboolean _folder_view_has_focus (ModestWindow *win);
  65 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  66 static gboolean _msg_download_in_progress (ModestWindow *win);
  67 static gboolean _msg_download_completed (ModestMainWindow *win);
  68 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  69 static gboolean _sending_in_progress (ModestWindow *win);
  70 static gboolean _send_receive_in_progress (ModestWindow *win);
  71 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  72 static gboolean _transfer_mode_enabled (ModestWindow *win);
  73 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  74 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  75
  76
  77 static DimmedState *
  78 _define_main_window_dimming_state (ModestMainWindow *window)
  79 {
  80         DimmedState *state = NULL;
  81         GtkWidget *focused_widget = NULL;
  82         GtkWidget *header_view = NULL;
  83         GtkTreeModel *model = NULL;
  84         TnyList *selected_headers = NULL;
  85         TnyIterator *iter = NULL;
  86         TnyHeader *header = NULL;
  87         ModestCacheMgr *cache_mgr = NULL;
  88         GHashTable *send_queue_cache = NULL;
  89         ModestTnySendQueue *send_queue = NULL;
  90         GSList *send_queues = NULL, *node = NULL;
  91         ModestWindowMgr *mgr = NULL;
  92         gboolean found = FALSE;
  93         gchar *msg_uid = NULL;
  94         TnyHeaderFlags flags;
  95         gboolean all_deleted = TRUE;
  96         gboolean all_seen = TRUE;
  97         gboolean all_cached = TRUE;
  98         gboolean all_has_attach = TRUE;
  99
 100         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 101
 102         /* Init state */
 103         state = g_slice_new0 (DimmedState);
 104         state->n_selected = 0;
 105         state->already_opened_msg = FALSE;
 106         state->any_marked_as_deleted = FALSE;
 107         state->all_marked_as_deleted = FALSE;
 108         state->any_marked_as_seen = FALSE;
 109         state->all_marked_as_seen = FALSE;
 110         state->any_marked_as_cached = FALSE;
 111         state->all_marked_as_cached = FALSE;
 112         state->any_has_attachments = FALSE;
 113         state->all_has_attachments = FALSE;
 114         state->sent_in_progress = FALSE;
 115         state->all_selected = FALSE;
 116
 117         /* Get focused widget */
 118         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 119         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 120                 state->n_selected++;
 121                 return state;
 122         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 123                 header_view = focused_widget;
 124         } else {
 125                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 126         }
 127
 128         /* Get header view and selected headers */
 129         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 130         if (!selected_headers)
 131                 return state;
 132
 133         /* Examine selected headers */
 134         iter = tny_list_create_iterator (selected_headers);
 135         while (!tny_iterator_is_done (iter)) {
 136                 header = TNY_HEADER (tny_iterator_get_current (iter));
 137                 flags = tny_header_get_flags (header);
 138
 139                 /* No selected */
 140                 state->n_selected++;
 141
 142                 /* Already opened */
 143                 mgr = modest_runtime_get_window_mgr ();
 144                 if (!state->already_opened_msg)
 145                         state->already_opened_msg = modest_window_mgr_find_registered_header (mgr, header, NULL);
 146
 147
 148                 /* Mark as deleted */
 149                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 150                 state->all_marked_as_deleted = all_deleted;
 151                 if (!state->any_marked_as_deleted)
 152                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 153
 154                 /* Mark as seen */
 155                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 156                 state->all_marked_as_seen = all_seen;
 157                 if (!state->any_marked_as_seen)
 158                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 159
 160                 /* Mark as cached */
 161                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 162                 state->all_marked_as_cached = all_cached;
 163                 if (!state->any_marked_as_cached)
 164                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 165
 166                 /* Mark has_attachments */
 167                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 168                 state->all_has_attachments = all_has_attach;
 169                 if (!state->any_has_attachments)
 170                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 171
 172                 /* sent in progress */
 173                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 174                 if (!state->sent_in_progress) {
 175                         cache_mgr = modest_runtime_get_cache_mgr ();
 176                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 177                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 178
 179                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 180
 181                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 182                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 183
 184                                 /* Check if msg uid is being processed inside send queue */
 185                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 186                         }
 187                         state->sent_in_progress = found;
 188                 }
 189
 190                 tny_iterator_next (iter);
 191                 g_object_unref (header);
 192         }
 193
 194         /* check if all the headers are selected or not */
 195         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 196         if (model != NULL){
 197                 gint count;
 198                 count = gtk_tree_model_iter_n_children(model, NULL);
 199                 if(state->n_selected == count != 0)
 200                         state->all_selected = TRUE;
 201         }
 202
 203         /* Free */
 204         g_free(msg_uid);
 205         g_object_unref(selected_headers);
 206         g_object_unref(iter);
 207         g_slist_free (send_queues);
 208
 209         return state;
 210 }
 211
 212 static DimmedState *
 213 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 214 {
 215         DimmedState *state = NULL;
 216         TnyHeader *header = NULL;
 217         ModestCacheMgr *cache_mgr = NULL;
 218         GHashTable *send_queue_cache = NULL;
 219         ModestTnySendQueue *send_queue = NULL;
 220         GSList *send_queues = NULL, *node = NULL;
 221         gboolean found = FALSE;
 222         gchar *msg_uid = NULL;
 223         TnyHeaderFlags flags;
 224         gboolean all_deleted = TRUE;
 225         gboolean all_seen = TRUE;
 226         gboolean all_cached = TRUE;
 227         gboolean all_has_attach = TRUE;
 228
 229         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 230
 231         /* Init state */
 232         state = g_slice_new0 (DimmedState);
 233         state->n_selected = 0;
 234         state->already_opened_msg = FALSE;
 235         state->any_marked_as_deleted = FALSE;
 236         state->all_marked_as_deleted = FALSE;
 237         state->any_marked_as_seen = FALSE;
 238         state->all_marked_as_seen = FALSE;
 239         state->any_marked_as_cached = FALSE;
 240         state->all_marked_as_cached = FALSE;
 241         state->any_has_attachments = FALSE;
 242         state->all_has_attachments = FALSE;
 243         state->sent_in_progress = FALSE;
 244
 245         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 246         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 247         flags = tny_header_get_flags (header);
 248
 249         /* Selected */
 250         state->n_selected++;
 251
 252         /* Mark as deleted */
 253         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 254         state->all_marked_as_deleted = all_deleted;
 255         if (!state->any_marked_as_deleted)
 256                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 257
 258         /* Mark as seen */
 259         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 260         state->all_marked_as_seen = all_seen;
 261         if (!state->any_marked_as_seen)
 262                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 263
 264         /* Mark as cached */
 265         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 266         state->all_marked_as_cached = all_cached;
 267         if (!state->any_marked_as_cached)
 268                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 269
 270         /* Mark has_attachments */
 271         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 272         state->all_has_attachments = all_has_attach;
 273         if (!state->any_has_attachments)
 274                 state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 275
 276         /* sent in progress */
 277         msg_uid = modest_tny_send_queue_get_msg_id (header);
 278         if (!state->sent_in_progress) {
 279                 cache_mgr = modest_runtime_get_cache_mgr ();
 280                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 281                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 282
 283                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 284
 285                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 286                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 287
 288                         /* Check if msg uid is being processed inside send queue */
 289                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 290                 }
 291                 state->sent_in_progress = found;
 292         }
 293
 294         /* Free */
 295         g_free(msg_uid);
 296         g_object_unref (header);
 297         g_slist_free (send_queues);
 298
 299         return state;
 300 }
 301
 302
 303 DimmedState *
 304 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 305 {
 306         DimmedState *state = NULL;
 307
 308         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 309
 310         if (MODEST_IS_MAIN_WINDOW (window))
 311                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 312         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 313                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 314         }
 315
 316         return state;
 317 }
 318
 319
 320 gboolean
 321 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 322 {
 323         ModestDimmingRule *rule = NULL;
 324         gboolean dimmed = FALSE;
 325
 326         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 327         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 328         rule = MODEST_DIMMING_RULE (user_data);
 329
 330         /* Check dimmed rule */
 331         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 332                 if (!dimmed) {
 333                         dimmed = _msg_download_in_progress (win);
 334                         if (dimmed)
 335                                 modest_dimming_rule_set_notification (rule, "");
 336                 }
 337         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 338                 if (!dimmed) {
 339                         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 340                                                                   TRUE);
 341                         if (dimmed)
 342                                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 343                 }
 344         }
 345
 346         return dimmed;
 347 }
 348
 349 gboolean
 350 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 351 {
 352         ModestDimmingRule *rule = NULL;
 353         GtkWidget *folder_view = NULL;
 354         TnyFolderStore *parent_folder = NULL;
 355         gboolean dimmed = FALSE;
 356
 357         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 358         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 359         rule = MODEST_DIMMING_RULE (user_data);
 360
 361         /* Get selected folder as parent of new folder to create */
 362         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 363                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 364         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 365         if (!parent_folder)
 366                 return TRUE;
 367
 368         if (TNY_IS_ACCOUNT (parent_folder)) {
 369                 /* If it's the local account then do not dim */
 370                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 371                         dimmed = FALSE;
 372                 } else {
 373                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 374                         if (proto_str != NULL) {
 375                                 /* If it's POP then dim */
 376                                 dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 377                                           MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 378                                 if (dimmed)
 379                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 380                         }
 381                 }
 382         } else {
 383                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 384
 385                 TnyFolderType types[3];
 386
 387                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 388                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 389                 types[2] = TNY_FOLDER_TYPE_SENT;
 390
 391                 /* Apply folder rules */
 392                 if (!dimmed) {
 393                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 394                         if (dimmed)
 395                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 396                 }
 397                 if (!dimmed) {
 398                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 399                         if (dimmed)
 400                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 401                 }
 402         }
 403
 404         /* if not the folder is selected then dim */
 405         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 406                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 407         if (folder_view && !gtk_widget_is_focus (folder_view))
 408                 dimmed = TRUE;
 409
 410         g_object_unref (parent_folder);
 411
 412         return dimmed;
 413 }
 414
 415 gboolean
 416 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 417 {
 418         ModestDimmingRule *rule = NULL;
 419         GtkWidget *folder_view = NULL;
 420         GtkWidget *header_view = NULL;
 421         gboolean dimmed = FALSE;
 422
 423         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 424         rule = MODEST_DIMMING_RULE (user_data);
 425
 426         if (MODEST_IS_MAIN_WINDOW (win)) {
 427                 /* Get the folder view */
 428                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 429                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 430
 431                 /* Get header view */
 432                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 433                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 434
 435                 if (header_view && gtk_widget_is_focus (header_view))
 436                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 437
 438                 if (folder_view && gtk_widget_is_focus (folder_view))
 439                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 440
 441                 if (header_view && folder_view &&
 442                     !gtk_widget_is_focus (header_view) &&
 443                     !gtk_widget_is_focus (folder_view)) {
 444                         dimmed = TRUE;
 445                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 446                 }
 447         } else {
 448                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 449         }
 450
 451         return dimmed;
 452 }
 453
 454
 455
 456 gboolean
 457 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 458 {
 459         ModestDimmingRule *rule = NULL;
 460         TnyFolderType types[6];
 461         gboolean dimmed = FALSE;
 462
 463         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 464         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 465         rule = MODEST_DIMMING_RULE (user_data);
 466
 467         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 468         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 469         types[2] = TNY_FOLDER_TYPE_SENT;
 470         types[3] = TNY_FOLDER_TYPE_INBOX;
 471         types[4] = TNY_FOLDER_TYPE_ROOT;
 472         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 473
 474
 475         /* Check dimmed rule */
 476         if (!dimmed) {
 477                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 478                 if (dimmed)
 479                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 480         }
 481         if (!dimmed) {
 482                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 483                 if (dimmed)
 484                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 485         }
 486         if (!dimmed) {
 487                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 488                 if (dimmed)
 489                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 490         }
 491         if (!dimmed) {
 492                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 493                 if (dimmed)
 494                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 495         }
 496         if (!dimmed) {
 497                 dimmed = _transfer_mode_enabled (win);
 498                 if (dimmed)
 499                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 500         }
 501
 502         return dimmed;
 503 }
 504
 505 gboolean
 506 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 507 {
 508         ModestDimmingRule *rule = NULL;
 509         gboolean dimmed = FALSE;
 510
 511         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 512         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 513         rule = MODEST_DIMMING_RULE (user_data);
 514
 515         /* Check dimmed rule */
 516         if (!dimmed) {
 517                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 518                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 519         }
 520
 521         if (!dimmed) {
 522                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 523                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 524         }
 525
 526         return dimmed;
 527
 528 }
 529
 530 gboolean
 531 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 532 {
 533         ModestDimmingRule *rule = NULL;
 534         TnyFolderType types[4];
 535         gboolean dimmed = FALSE;
 536
 537         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 538         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 539         rule = MODEST_DIMMING_RULE (user_data);
 540
 541         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 542         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 543         types[2] = TNY_FOLDER_TYPE_SENT;
 544         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 545
 546         /* Check dimmed rule */
 547         if (!dimmed) {
 548                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 549                 if (dimmed)
 550                         modest_dimming_rule_set_notification (rule, "");
 551         }
 552         if (!dimmed) {
 553                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 554                 if (dimmed)
 555                         modest_dimming_rule_set_notification (rule, "");
 556         }
 557         if (!dimmed) {
 558                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 559                 if (dimmed)
 560                         modest_dimming_rule_set_notification (rule, "");
 561         }
 562
 563         return dimmed;
 564 }
 565
 566 gboolean
 567 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 568 {
 569         ModestDimmingRule *rule = NULL;
 570         gboolean dimmed = FALSE;
 571         const DimmedState *state = NULL;
 572
 573         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 574         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 575         rule = MODEST_DIMMING_RULE (user_data);
 576         state = modest_window_get_dimming_state (win);
 577
 578         /* Check dimmed rule */
 579         if (!dimmed) {
 580                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 581         }
 582         if (!dimmed) {
 583                 dimmed = state->any_marked_as_deleted;
 584                 if (dimmed)
 585                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 586         }
 587         if (!dimmed) {
 588                 dimmed = _selected_msg_sent_in_progress (win);
 589                 if (dimmed)
 590                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 591         }
 592
 593         return dimmed;
 594 }
 595
 596 gboolean
 597 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 598 {
 599         ModestDimmingRule *rule = NULL;
 600         gboolean dimmed = FALSE;
 601         TnyFolderType types[3];
 602
 603         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 604         rule = MODEST_DIMMING_RULE (user_data);
 605
 606         /* main window dimming rules */
 607         if (MODEST_IS_MAIN_WINDOW(win)) {
 608
 609                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 610                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 611                 types[2] = TNY_FOLDER_TYPE_ROOT;
 612
 613                 /* Check dimmed rule */
 614                 if (!dimmed) {
 615                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 616                         if (dimmed)
 617                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 618                 }
 619                 if (!dimmed) {
 620                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 621                         if (dimmed)
 622                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 623                 }
 624                 if (!dimmed) {
 625                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 626                 }
 627         /* msg view window dimming rules */
 628         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 629
 630                 /* Check dimmed rule */
 631                 if (!dimmed) {
 632                         dimmed = _transfer_mode_enabled (win);
 633                         if (dimmed)
 634                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 635                 }
 636                 if (!dimmed) {
 637                         dimmed = _msg_download_in_progress (win);
 638                         if (dimmed)
 639                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 640                 }
 641         }
 642
 643         return dimmed;
 644 }
 645
 646
 647 gboolean
 648 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 649 {
 650         ModestDimmingRule *rule = NULL;
 651         gboolean dimmed = FALSE;
 652
 653         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 654         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 655         rule = MODEST_DIMMING_RULE (user_data);
 656
 657         /* Check dimmed rule */
 658         if (!dimmed) {
 659                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 660         }
 661         if (!dimmed) {
 662                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 663                 if (dimmed)
 664                         modest_dimming_rule_set_notification (rule, "");
 665         }
 666
 667         return dimmed;
 668 }
 669
 670 gboolean
 671 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 672 {
 673         gboolean dimmed = FALSE;
 674
 675         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 676
 677         /* Check dimmed rule */
 678         if (!dimmed)
 679                 dimmed = TRUE;
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 686 {
 687         ModestDimmingRule *rule = NULL;
 688         guint n_messages = 0;
 689         const DimmedState *state = NULL;
 690         gboolean dimmed = FALSE;
 691
 692         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 693         rule = MODEST_DIMMING_RULE (user_data);
 694         state = modest_window_get_dimming_state (win);
 695
 696         /* Check dimmed rule */
 697         if (MODEST_IS_MAIN_WINDOW (win)) {
 698                 if (!dimmed) {
 699                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 700                         if (dimmed)
 701                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 702                 }
 703                 if (!dimmed) {
 704                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 705                 }
 706                 if (!dimmed) {
 707                         dimmed = state->already_opened_msg;
 708                         n_messages = state->n_selected;
 709                         if (dimmed) {
 710                                 gchar *num = g_strdup_printf ("%d", n_messages);
 711                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 712                                 modest_dimming_rule_set_notification (rule, message);
 713                                 g_free(message);
 714                                 g_free(num);
 715                         }
 716
 717                 }
 718                 if (!dimmed) {
 719                         dimmed = state->any_marked_as_deleted;
 720                         if (dimmed) {
 721                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 722                         }
 723                 }
 724                 if (!dimmed) {
 725                         dimmed = state->sent_in_progress;
 726                         if (dimmed)
 727                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 728                 }
 729         }
 730         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 731                 if (!dimmed) {
 732                         dimmed = _transfer_mode_enabled (win);
 733                         if (dimmed)
 734                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 735                 }
 736                 if (!dimmed) {
 737                         dimmed = state->any_marked_as_deleted;
 738                         if (dimmed)
 739                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 740                 }
 741
 742                 /* The delete button should be dimmed when viewing an attachment,
 743                  * but should be enabled when viewing a message from the list,
 744                  * or when viewing a search result.
 745                  */
 746                 if (!dimmed) {
 747                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 748                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 749                                 if (dimmed) {
 750                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 751                                 }
 752                         }
 753                 }
 754         }
 755
 756         return dimmed;
 757 }
 758
 759 gboolean
 760 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 761 {
 762         ModestDimmingRule *rule = NULL;
 763         GtkWidget *header_view = NULL;
 764         gboolean dimmed = FALSE;
 765
 766         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 767         rule = MODEST_DIMMING_RULE (user_data);
 768
 769         /* main window dimming rules */
 770         if (MODEST_IS_MAIN_WINDOW(win)) {
 771
 772                 /* Check dimmed rule */
 773                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 774                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 775
 776                 /* If the header view has the focus: */
 777                 if (header_view && gtk_widget_is_focus (header_view)) {
 778                         /* Check dimmed rule */
 779                         if (!dimmed)
 780                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 781                 }
 782                 else {
 783                         /* If the folder view has the focus: */
 784                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 785                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 786                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 787                                 TnyFolderStore *folder_store
 788                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 789                                 if (folder_store) {
 790                                         /* Only enable for folders, not accounts,
 791                                          * though the UI spec is not clear about that.
 792                                          * If we enable this for accounts then we must
 793                                          * add code to handle them in modest_ui_actions_on_details(). */
 794                                         if (!TNY_IS_FOLDER(folder_store)) {
 795                                                 dimmed = TRUE;
 796                                                 modest_dimming_rule_set_notification (rule, "");
 797                                         }
 798
 799                                         g_object_unref (folder_store);
 800                                 }
 801                                 if (!dimmed) {
 802                                         dimmed = _msg_download_in_progress (win);
 803                                         if (dimmed)
 804                                                 modest_dimming_rule_set_notification (rule, "");
 805                                 }
 806
 807                         }
 808
 809                 }
 810
 811         /* msg view window dimming rules */
 812         } else {
 813
 814                 /* Check dimmed rule */
 815                 if (!dimmed) {
 816                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 817                                 dimmed = _msg_download_in_progress (win);
 818                         if (dimmed)
 819                                 modest_dimming_rule_set_notification (rule, "");
 820                 }
 821         }
 822
 823         return dimmed;
 824 }
 825
 826
 827 gboolean
 828 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 829 {
 830         ModestDimmingRule *rule = NULL;
 831         TnyHeaderFlags flags;
 832         const DimmedState *state = NULL;
 833         gboolean dimmed = FALSE;
 834
 835         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 836         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 837         rule = MODEST_DIMMING_RULE (user_data);
 838         state = modest_window_get_dimming_state (win);
 839
 840         flags = TNY_HEADER_FLAG_SEEN;
 841
 842         /* Check dimmed rule */
 843         if (!dimmed) {
 844                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 845         }
 846         if (!dimmed) {
 847                 dimmed = state->all_marked_as_seen;
 848                 if (dimmed)
 849                         modest_dimming_rule_set_notification (rule, "");
 850         }
 851
 852         return dimmed;
 853 }
 854
 855 gboolean
 856 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 857 {
 858         ModestDimmingRule *rule = NULL;
 859         TnyHeaderFlags flags;
 860         const DimmedState *state = NULL;
 861         gboolean dimmed = FALSE;
 862
 863         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 864         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 865         rule = MODEST_DIMMING_RULE (user_data);
 866         state = modest_window_get_dimming_state (win);
 867
 868         flags = TNY_HEADER_FLAG_SEEN;
 869
 870         /* Check dimmed rule */
 871         if (!dimmed)
 872                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 873         if (!dimmed) {
 874                 dimmed = !state->any_marked_as_seen;
 875                 if (dimmed)
 876                         modest_dimming_rule_set_notification (rule, "");
 877         }
 878
 879         return dimmed;
 880 }
 881
 882 gboolean
 883 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 884 {
 885         ModestDimmingRule *rule = NULL;
 886         gboolean dimmed = FALSE;
 887
 888         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 889         rule = MODEST_DIMMING_RULE (user_data);
 890
 891         if (MODEST_IS_MAIN_WINDOW (win))
 892                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 893         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 894                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 895
 896         return dimmed;
 897 }
 898
 899
 900 gboolean
 901 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 902 {
 903         GtkWidget *folder_view = NULL;
 904         ModestDimmingRule *rule = NULL;
 905         guint n_messages = 0;
 906         const DimmedState *state = NULL;
 907         gboolean dimmed = FALSE;
 908
 909         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 910         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 911         rule = MODEST_DIMMING_RULE (user_data);
 912         state = modest_window_get_dimming_state (win);
 913
 914         /* Get the folder view */
 915         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 916                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 917
 918
 919         /* Check diming rules for folders transfer  */
 920         if (gtk_widget_is_focus (folder_view)) {
 921                 TnyFolderType types[5];
 922
 923                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 924                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 925                 types[2] = TNY_FOLDER_TYPE_SENT;
 926                 types[3] = TNY_FOLDER_TYPE_ROOT;
 927                 types[4] = TNY_FOLDER_TYPE_INBOX;
 928
 929                 /* Apply folder rules */
 930                 if (!dimmed) {
 931                         dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
 932                         if (dimmed)
 933                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 934                 }
 935                 if (!dimmed) {
 936                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 937                         if (dimmed)
 938                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 939                 }
 940         }
 941
 942         /* Check diming rules for messages transfer  */
 943         if (!dimmed) {
 944                 dimmed = state->already_opened_msg;
 945                 n_messages = state->n_selected;
 946                 if (dimmed) {
 947                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 948                         modest_dimming_rule_set_notification (rule, message);
 949                         g_free(message);
 950                 }
 951         }
 952         if (!dimmed) {
 953                 if (!gtk_widget_is_focus (folder_view))
 954                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 955
 956         }
 957         if (!dimmed) {
 958                 dimmed = _selected_msg_sent_in_progress (win);
 959                 if (dimmed)
 960                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
 961         }
 962
 963         return dimmed;
 964 }
 965
 966 gboolean
 967 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 968 {
 969         ModestDimmingRule *rule = NULL;
 970         gboolean dimmed = FALSE;
 971
 972         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 973         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 974         rule = MODEST_DIMMING_RULE (user_data);
 975
 976         /* Check dimmed rule */
 977         if (!dimmed) {
 978                 dimmed = _transfer_mode_enabled (win);
 979                 if (dimmed)
 980                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 981         }
 982
 983         if (!dimmed) {
 984                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 985                         /* The move_to button should be dimmed when viewing an attachment,
 986                          * but should be enabled when viewing a message from the list,
 987                          * or when viewing a search result.
 988                          */
 989                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 990                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 991                         }
 992                 }
 993
 994                 if (dimmed)
 995                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 996         }
 997
 998         return dimmed;
 999 }
1000
1001 gboolean
1002 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1003 {
1004         ModestDimmingRule *rule = NULL;
1005         gboolean dimmed = FALSE;
1006
1007         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1008         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1009         rule = MODEST_DIMMING_RULE (user_data);
1010
1011         /* Check dimmed rule */
1012         if (!dimmed) {
1013                 dimmed = _transfer_mode_enabled (win);
1014                 if (dimmed)
1015                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1016         }
1017
1018         return dimmed;
1019 }
1020
1021 gboolean
1022 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1023 {
1024         ModestDimmingRule *rule = NULL;
1025         TnyFolderType types[3];
1026         gboolean dimmed = FALSE;
1027
1028         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1029         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1030         rule = MODEST_DIMMING_RULE (user_data);
1031
1032         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1033         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1034         types[2] = TNY_FOLDER_TYPE_SENT;
1035
1036         /* Check dimmed rule */
1037         if (!dimmed) {
1038                 dimmed = _clipboard_is_empty (win);
1039                 if (dimmed)
1040                         modest_dimming_rule_set_notification (rule,
1041                                                               dgettext("hildon-common-strings",
1042                                                                        "ecoc_ib_edwin_nothing_to_paste"));
1043         }
1044         if (!dimmed) {
1045                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1046                 if (dimmed)
1047                         modest_dimming_rule_set_notification (rule,
1048                                                               dgettext("hildon-common-strings",
1049                                                                        "ckct_ib_unable_to_paste_here"));
1050         }
1051         if (!dimmed) {
1052                 dimmed = !_folder_view_has_focus (win);
1053                 if (dimmed)
1054                         modest_dimming_rule_set_notification (rule,
1055                                         dgettext("hildon-common-strings",
1056                                         "ckct_ib_unable_to_paste_here"));
1057         }
1058         if (!dimmed) {
1059                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1060                 if (dimmed)
1061                         modest_dimming_rule_set_notification (rule,
1062                                                               dgettext("hildon-common-strings",
1063                                                                        "ckct_ib_unable_to_paste_here"));
1064         }
1065         if (!dimmed) {
1066                 dimmed = _selected_folder_is_same_as_source (win);
1067                 if (dimmed)
1068                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1069         }
1070         if (!dimmed) {
1071                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1072                 if (dimmed)
1073                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1074         }
1075
1076         return dimmed;
1077 }
1078
1079
1080 gboolean
1081 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1082 {
1083         ModestDimmingRule *rule = NULL;
1084         gboolean dimmed = FALSE;
1085         GtkWidget *focused = NULL;
1086
1087         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1088         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1089         rule = MODEST_DIMMING_RULE (user_data);
1090
1091         focused = gtk_window_get_focus (GTK_WINDOW (win));
1092
1093         /* Main window dimming rules */
1094         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1095                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1096
1097         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1098                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1099
1100         if (!dimmed && GTK_IS_ENTRY (focused)) {
1101                 const gchar *current_text;
1102                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1103                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1104         }
1105
1106         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1107                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1108                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1109         }
1110
1111         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1112                 dimmed = FALSE;
1113         return dimmed;
1114 }
1115
1116 gboolean
1117 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1118 {
1119         ModestDimmingRule *rule = NULL;
1120         gboolean dimmed = FALSE;
1121
1122         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1123         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1124         rule = MODEST_DIMMING_RULE (user_data);
1125
1126         /* Check dimmed rule */
1127         if (!dimmed)
1128                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1129
1130         if (!dimmed) {
1131                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1132                 if (dimmed) {
1133                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1134                 }
1135         }
1136
1137         return dimmed;
1138 }
1139
1140 gboolean
1141 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1142 {
1143         ModestDimmingRule *rule = NULL;
1144         gboolean dimmed = FALSE;
1145
1146         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1147         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1148         rule = MODEST_DIMMING_RULE (user_data);
1149
1150         /* Check dimmed rule */
1151         if (!dimmed)
1152                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1153
1154         if (!dimmed) {
1155                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1156                 if (dimmed) {
1157                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1158                 }
1159         }
1160
1161         return dimmed;
1162 }
1163
1164 gboolean
1165 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1166 {
1167         ModestDimmingRule *rule = NULL;
1168         const DimmedState *state = NULL;
1169         gboolean dimmed = FALSE;
1170
1171         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1172         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1173         rule = MODEST_DIMMING_RULE (user_data);
1174         state = modest_window_get_dimming_state (win);
1175
1176         /* Check in main window if there's only one message selected */
1177         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1178                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1179         }
1180
1181         /* Check in view window if there's any attachment selected */
1182         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1183                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1184                 if (dimmed)
1185                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1186         }
1187
1188         /* cannot purge in editable drafts nor pop folders */
1189         if (!dimmed) {
1190                 dimmed = _invalid_folder_for_purge (win, rule);
1191         }
1192
1193         /* Check if the selected message in main window has attachments */
1194         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1195                 dimmed = state->any_has_attachments;
1196                 if (dimmed)
1197                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1198         }
1199
1200         /* Check if all attachments are already purged */
1201         if (!dimmed) {
1202                 dimmed = _purged_attach_selected (win, TRUE, rule);
1203         }
1204
1205         /* Check if the message is already downloaded */
1206         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1207                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1208                 if (dimmed)
1209                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1210         }
1211
1212
1213         return dimmed;
1214 }
1215
1216 gboolean
1217 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1218 {
1219         ModestDimmingRule *rule = NULL;
1220         gboolean dimmed = FALSE;
1221
1222         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1223         rule = MODEST_DIMMING_RULE (user_data);
1224
1225         /* Check dimmed rule */
1226         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1227                 dimmed = _clipboard_is_empty (win);
1228                 if (dimmed)
1229                         modest_dimming_rule_set_notification (rule, "");
1230         }
1231
1232         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1233                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1234         }
1235
1236         return dimmed;
1237 }
1238
1239 gboolean
1240 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1241 {
1242         ModestDimmingRule *rule = NULL;
1243         gboolean dimmed = FALSE;
1244
1245         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1246         rule = MODEST_DIMMING_RULE (user_data);
1247
1248         /* Check dimmed rule */
1249         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1250                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1251         }
1252
1253         return dimmed;
1254 }
1255
1256 gboolean
1257 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1258 {
1259         ModestDimmingRule *rule = NULL;
1260         const DimmedState *state = NULL;
1261         gboolean dimmed = FALSE;
1262
1263         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1264         rule = MODEST_DIMMING_RULE (user_data);
1265         state = modest_window_get_dimming_state (win);
1266
1267         /* Check common dimming rules */
1268         if (!dimmed) {
1269                 dimmed = _invalid_clipboard_selected (win, rule);
1270         }
1271
1272         /* Check window specific dimming rules */
1273         if (MODEST_IS_MAIN_WINDOW (win)) {
1274                 /* Get focused widget */
1275                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1276
1277                 if (MODEST_IS_HEADER_VIEW (focused)) {
1278                         if (!dimmed) {
1279                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1280                                 if (dimmed)
1281                                         modest_dimming_rule_set_notification (rule, "");
1282                         }
1283                         if (!dimmed) {
1284                                 dimmed = _selected_msg_sent_in_progress (win);
1285                                 if (dimmed)
1286                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1287                         }
1288                         if (!dimmed) {
1289                                 dimmed = state->already_opened_msg;
1290                                 if(dimmed)
1291                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1292                         }
1293                 }
1294                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1295                         TnyFolderType types[3];
1296
1297                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1298                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1299                         types[2] = TNY_FOLDER_TYPE_SENT;
1300
1301                         /* Apply folder rules */
1302                         if (!dimmed) {
1303                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1304                                 if (dimmed)
1305                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
1306                         }
1307                         if (!dimmed) {
1308                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1309                                 if (dimmed)
1310                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1311                         }
1312                         if (!dimmed) {
1313                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1314                                 if (dimmed)
1315                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1316                         }
1317                 }
1318         }
1319
1320         return dimmed;
1321 }
1322
1323 gboolean
1324 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1325 {
1326         ModestDimmingRule *rule = NULL;
1327         const DimmedState *state = NULL;
1328         gboolean dimmed = FALSE;
1329
1330         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1331         rule = MODEST_DIMMING_RULE (user_data);
1332         state = modest_window_get_dimming_state (win);
1333
1334         /* Check common dimming rules */
1335         if (!dimmed) {
1336                 dimmed = _invalid_clipboard_selected (win, rule);
1337         }
1338
1339         /* Check window specific dimming rules */
1340         if (MODEST_IS_MAIN_WINDOW (win)) {
1341                 /* Get focused widget */
1342                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1343
1344                 if (MODEST_IS_HEADER_VIEW (focused)) {
1345                         if (!dimmed) {
1346                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1347                                 if (dimmed)
1348                                         modest_dimming_rule_set_notification (rule, "");
1349                         }
1350                         if (!dimmed) {
1351                                 dimmed = _selected_msg_sent_in_progress (win);
1352                                 if (dimmed)
1353                                         modest_dimming_rule_set_notification (rule, _(""));
1354                         }
1355                         if (!dimmed) {
1356                                 dimmed = state->already_opened_msg;
1357                                 if(dimmed)
1358                                         modest_dimming_rule_set_notification (rule, _(""));
1359                         }
1360                 }
1361                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1362                         TnyFolderType types[3];
1363
1364                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1365                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1366                         types[2] = TNY_FOLDER_TYPE_SENT;
1367
1368                         if (!dimmed) {
1369                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1370                                 if (dimmed)
1371                                         modest_dimming_rule_set_notification (rule, _(""));
1372                         }
1373                         if (!dimmed) {
1374                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1375                                 if (dimmed)
1376                                         modest_dimming_rule_set_notification (rule, _(""));
1377                         }
1378                 }
1379         }
1380
1381         return dimmed;
1382 }
1383
1384 gboolean
1385 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1386 {
1387         ModestDimmingRule *rule = NULL;
1388         const DimmedState *state = NULL;
1389         gboolean dimmed = FALSE;
1390
1391         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1392         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1393         rule = MODEST_DIMMING_RULE (user_data);
1394         state = modest_window_get_dimming_state (win);
1395
1396
1397         /* Check common dimming rules */
1398         if (!dimmed) {
1399                 ModestMsgEditFormat format;
1400                 format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1401
1402                 dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1403                 if (dimmed)
1404                         modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1405         }
1406
1407         if (!dimmed) {
1408                 GtkWidget *body;
1409                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1410                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1411
1412                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1413                 if (dimmed)
1414                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1415         }
1416
1417
1418         return dimmed;
1419 }
1420
1421 gboolean
1422 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1423 {
1424         ModestDimmingRule *rule = NULL;
1425         const DimmedState *state = NULL;
1426         gboolean dimmed = FALSE;
1427
1428         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1429         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1430         rule = MODEST_DIMMING_RULE (user_data);
1431         state = modest_window_get_dimming_state (win);
1432
1433         if (!dimmed) {
1434                 GtkWidget *body;
1435                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1436                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1437
1438                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1439                 if (dimmed)
1440                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1441         }
1442
1443
1444         return dimmed;
1445 }
1446
1447 gboolean
1448 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1449 {
1450         ModestDimmingRule *rule = NULL;
1451         const DimmedState *state = NULL;
1452         gboolean dimmed = FALSE;
1453         GtkWidget *focused = NULL;
1454
1455         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1456         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1457         rule = MODEST_DIMMING_RULE (user_data);
1458         state = modest_window_get_dimming_state (win);
1459
1460         focused = gtk_window_get_focus (GTK_WINDOW (win));
1461
1462         if (!dimmed) {
1463                 dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1464         }
1465
1466         if (!dimmed) {
1467                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1468                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1469                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1470                         !gtk_clipboard_wait_is_text_available (clipboard);
1471         }
1472
1473         return dimmed;
1474 }
1475
1476 gboolean
1477 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1478 {
1479         ModestDimmingRule *rule = NULL;
1480         const DimmedState *state = NULL;
1481         gboolean dimmed = FALSE;
1482
1483         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1484         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1485         rule = MODEST_DIMMING_RULE (user_data);
1486         state = modest_window_get_dimming_state (win);
1487
1488         if (!dimmed) {
1489                 GList *selected_attachments = NULL;
1490                 gint n_att_selected = 0;
1491                 GtkWidget *attachments_view;
1492                 attachments_view = modest_msg_edit_window_get_child_widget (
1493                         MODEST_MSG_EDIT_WINDOW (win),
1494                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1495
1496                 selected_attachments = modest_attachments_view_get_selection (
1497                         MODEST_ATTACHMENTS_VIEW (attachments_view));
1498                 n_att_selected = g_list_length (selected_attachments);
1499                 g_list_free (selected_attachments);
1500
1501                 dimmed = (n_att_selected != 1);
1502         }
1503
1504         return dimmed;
1505 }
1506
1507 gboolean
1508 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1509 {
1510         ModestDimmingRule *rule = NULL;
1511         const DimmedState *state = NULL;
1512         gboolean dimmed = FALSE;
1513
1514         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1515         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1516         rule = MODEST_DIMMING_RULE (user_data);
1517         state = modest_window_get_dimming_state (win);
1518
1519         if (!dimmed) {
1520                 GtkWidget *subject_field, *body_field;
1521                 GtkTextBuffer *body_buffer;
1522                 const gchar *subject = NULL;
1523                 body_field = modest_msg_edit_window_get_child_widget (
1524                         MODEST_MSG_EDIT_WINDOW (win),
1525                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1526                 subject_field = modest_msg_edit_window_get_child_widget (
1527                         MODEST_MSG_EDIT_WINDOW (win),
1528                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1529                 body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1530                 subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1531
1532                 dimmed = ((subject == NULL || subject[0] == '\0')
1533                           || (gtk_text_buffer_get_char_count(body_buffer) == 0));
1534                 if (dimmed)
1535                         modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_or_body_not_modified"));
1536         }
1537
1538         if (!dimmed) {
1539                 GtkWidget *to_field, *cc_field, *bcc_field;
1540                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1541                 cc_field = modest_msg_edit_window_get_child_widget (
1542                         MODEST_MSG_EDIT_WINDOW (win),
1543                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1544                 to_field = modest_msg_edit_window_get_child_widget (
1545                         MODEST_MSG_EDIT_WINDOW (win),
1546                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1547                 bcc_field = modest_msg_edit_window_get_child_widget (
1548                         MODEST_MSG_EDIT_WINDOW (win),
1549                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1550                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1551                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1552                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1553
1554                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1555                            gtk_text_buffer_get_char_count (cc_buffer) +
1556                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1557                 if (dimmed)
1558                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1559         }
1560
1561         return dimmed;
1562 }
1563
1564 gboolean
1565 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1566 {
1567         ModestDimmingRule *rule = NULL;
1568         gboolean dimmed = FALSE;
1569
1570         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1571         rule = MODEST_DIMMING_RULE (user_data);
1572
1573         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1574
1575         /* Check dimmed rule */
1576         if (!dimmed) {
1577                 dimmed = _transfer_mode_enabled (win);
1578                 if (dimmed)
1579                         modest_dimming_rule_set_notification (
1580                                         rule, _("mail_ib_notavailable_downloading"));
1581         }
1582         if (!dimmed) {
1583                 dimmed = modest_msg_view_window_first_message_selected (
1584                                 MODEST_MSG_VIEW_WINDOW(win));
1585                 modest_dimming_rule_set_notification (rule, NULL);
1586         }
1587
1588         return dimmed;
1589 }
1590
1591 gboolean
1592 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1593 {
1594         ModestDimmingRule *rule = NULL;
1595         gboolean dimmed = FALSE;
1596
1597         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1598         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1599         rule = MODEST_DIMMING_RULE (user_data);
1600
1601         /* Check dimmed rule */
1602         if (!dimmed) {
1603                 dimmed = _transfer_mode_enabled (win);
1604                 if (dimmed)
1605                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1606         }
1607         if (!dimmed) {
1608                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1609                 modest_dimming_rule_set_notification (rule, NULL);
1610         }
1611
1612         return dimmed;
1613 }
1614
1615
1616 gboolean
1617 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1618 {
1619         const gboolean dimmed =
1620                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1621                         TRUE);
1622
1623         return dimmed;
1624 }
1625
1626 gboolean
1627 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1628 {
1629         ModestDimmingRule *rule = NULL;
1630         TnyFolderType types[1];
1631         const DimmedState *state = NULL;
1632         gboolean dimmed = FALSE;
1633
1634         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1635         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1636         rule = MODEST_DIMMING_RULE (user_data);
1637         state = modest_window_get_dimming_state (win);
1638
1639         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1640
1641         /* Check dimmed rules */
1642         if (!dimmed) {
1643                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1644                 if (dimmed)
1645                         modest_dimming_rule_set_notification (rule, "");
1646         }
1647         if (!dimmed) {
1648                 dimmed = !_sending_in_progress (win);
1649                 if (dimmed)
1650                         modest_dimming_rule_set_notification (rule, "");
1651         }
1652
1653         return dimmed;
1654 }
1655
1656 gboolean
1657 modest_ui_dimming_rules_on_csm_cancel_sending (ModestWindow *win, gpointer user_data)
1658 {
1659         ModestDimmingRule *rule = NULL;
1660         TnyFolderType types[1];
1661         const DimmedState *state = NULL;
1662         gboolean dimmed = FALSE;
1663
1664         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1665         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1666         rule = MODEST_DIMMING_RULE (user_data);
1667         state = modest_window_get_dimming_state (win);
1668
1669         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1670
1671         /* Check dimmed rules */
1672         if (!dimmed) {
1673                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1674                 if (dimmed)
1675                         modest_dimming_rule_set_notification (rule, "");
1676         }
1677         if (!dimmed) {
1678                 dimmed = !_send_receive_in_progress (win);
1679                 if (dimmed)
1680                         modest_dimming_rule_set_notification (rule, "");
1681         }
1682
1683         return dimmed;
1684 }
1685
1686 gboolean
1687 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1688 {
1689         ModestDimmingRule *rule = NULL;
1690         gboolean dimmed = FALSE;
1691
1692         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1693         rule = MODEST_DIMMING_RULE (user_data);
1694
1695         /* Check dimmed rule */
1696         if (!dimmed) {
1697                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1698                                                           TRUE);
1699                 if (dimmed)
1700                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1701         }
1702
1703         return dimmed;
1704 }
1705
1706 gboolean
1707 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1708 {
1709         ModestDimmingRule *rule = NULL;
1710         gboolean dimmed = FALSE;
1711
1712         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1713         rule = MODEST_DIMMING_RULE (user_data);
1714
1715         /* Check dimmed rule */
1716         if (!dimmed) {
1717                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1718                 gchar *selection = NULL;
1719                 selection = gtk_clipboard_wait_for_text (clipboard);
1720
1721                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1722         }
1723
1724         return dimmed;
1725 }
1726
1727 /* *********************** static utility functions ******************** */
1728
1729
1730 static gboolean
1731 _selected_folder_not_writeable (ModestMainWindow *win,
1732                                 gboolean for_paste)
1733 {
1734         GtkWidget *folder_view = NULL;
1735         TnyFolderStore *parent_folder = NULL;
1736         ModestEmailClipboard *clipboard = NULL;
1737         ModestTnyFolderRules rules;
1738         gboolean is_local_acc = FALSE;
1739         gboolean xfer_folders = FALSE;
1740         gboolean result = FALSE;
1741
1742         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1743
1744         /* Get folder view */
1745         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1746                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1747         /* If no folder view, always dimmed */
1748         if (!folder_view)
1749                 return TRUE;
1750
1751         /* Get selected folder as parent of new folder to create */
1752         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1753         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1754                 /* If it's the local account and its transfering folders, then do not dim */
1755                 if (TNY_IS_ACCOUNT (parent_folder)) {
1756                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
1757                         if (for_paste) {
1758                                 clipboard = modest_runtime_get_email_clipboard ();
1759                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
1760                         }
1761                 }
1762
1763                 if (for_paste)
1764                         result = !(is_local_acc && xfer_folders);
1765                 else
1766                         result = !is_local_acc;
1767                 goto frees;
1768         }
1769
1770         /* Check dimmed rule */
1771         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1772         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1773
1774         /* free */
1775  frees:
1776         if (parent_folder != NULL)
1777                 g_object_unref (parent_folder);
1778
1779         return result;
1780 }
1781
1782 static gboolean
1783 _selected_folder_not_deletable (ModestMainWindow *win)
1784 {
1785         GtkWidget *folder_view = NULL;
1786         TnyFolderStore *parent_folder = NULL;
1787         ModestTnyFolderRules rules;
1788         gboolean result = FALSE;
1789
1790         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1791
1792         /* Get folder view */
1793         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1794                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1795         /* If no folder view, always dimmed */
1796         if (!folder_view)
1797                 return TRUE;
1798
1799         /* Get selected folder as parent of new folder to create */
1800         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1801         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1802                 result = TRUE;
1803                 goto frees;
1804         }
1805
1806         /* Check dimmed rule */
1807         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1808         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
1809
1810         /* free */
1811  frees:
1812         if (parent_folder != NULL)
1813                 g_object_unref (parent_folder);
1814
1815         return result;
1816 }
1817
1818 static gboolean
1819 _selected_folder_not_moveable (ModestMainWindow *win)
1820 {
1821         GtkWidget *folder_view = NULL;
1822         TnyFolderStore *parent_folder = NULL;
1823         ModestTnyFolderRules rules;
1824         gboolean result = FALSE;
1825
1826         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1827
1828         /* Get folder view */
1829         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1830                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1831         /* If no folder view, always dimmed */
1832         if (!folder_view)
1833                 return TRUE;
1834
1835         /* Get selected folder as parent of new folder to create */
1836         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1837         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1838                 result = TRUE;
1839                 goto frees;
1840         }
1841
1842         /* Check dimmed rule */
1843         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1844         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1845
1846         /* free */
1847  frees:
1848         if (parent_folder != NULL)
1849                 g_object_unref (parent_folder);
1850
1851         return result;
1852 }
1853
1854 static gboolean
1855 _selected_folder_not_renameable (ModestMainWindow *win)
1856 {
1857         GtkWidget *folder_view = NULL;
1858         TnyFolderStore *parent_folder = NULL;
1859         ModestTnyFolderRules rules;
1860         gboolean result = FALSE;
1861
1862         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1863
1864         /* Get folder view */
1865         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1866                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1867         /* If no folder view, always dimmed */
1868         if (!folder_view)
1869                 return TRUE;
1870
1871         /* Get selected folder as parent of new folder to create */
1872         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1873         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1874                 result = TRUE;
1875                 goto frees;
1876         }
1877
1878         /* Check dimmed rule */
1879         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1880         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
1881
1882         /* free */
1883  frees:
1884         if (parent_folder != NULL)
1885                 g_object_unref (parent_folder);
1886
1887         return result;
1888 }
1889
1890 static gboolean
1891 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1892 {
1893         TnyFolderType types[2];
1894         gboolean result = FALSE;
1895
1896         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1897
1898         types[0] = TNY_FOLDER_TYPE_ROOT;
1899         types[1] = TNY_FOLDER_TYPE_INBOX;
1900
1901         /* Check folder type */
1902         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1903
1904         /* Check pop and MMC accounts */
1905         if (!result) {
1906                 result = _selected_folder_is_MMC_or_POP_root (win);
1907         }
1908
1909         return result;
1910 }
1911
1912
1913 static gboolean
1914 _selected_folder_is_root (ModestMainWindow *win)
1915 {
1916         TnyFolderType types[1];
1917         gboolean result = FALSE;
1918
1919         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1920
1921         /* All accounts are root items: */
1922         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1923                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1924         if (folder_view) {
1925                 gboolean is_account = FALSE;
1926                 TnyFolderStore *folder_store =
1927                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1928                 if (folder_store) {
1929                         is_account = TNY_IS_ACCOUNT (folder_store);
1930                         g_object_unref (folder_store);
1931                         folder_store = NULL;
1932                 }
1933
1934                 if (is_account)
1935                         return TRUE;
1936         }
1937
1938         /* Try something more precise: */
1939         types[0] = TNY_FOLDER_TYPE_ROOT;
1940
1941         /* Check folder type */
1942         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1943
1944         /* Check pop and MMC accounts */
1945         if (!result) {
1946                 result = _selected_folder_is_MMC_or_POP_root (win);
1947         }
1948
1949         return result;
1950 }
1951
1952 static gboolean
1953 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1954 {
1955         GtkWidget *folder_view = NULL;
1956         TnyFolderStore *parent_folder = NULL;
1957         gboolean result = FALSE;
1958
1959         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1960                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1961         if (!folder_view)
1962                 return FALSE;
1963
1964         /* Get selected folder as parent of new folder to create */
1965         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1966         if (!parent_folder)
1967                 return TRUE;
1968
1969         if (TNY_IS_ACCOUNT (parent_folder)) {
1970                 /* If it's the local account then do not dim */
1971                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1972                         result = FALSE;
1973                 } else {
1974                                 /* If it's the MMC root folder then dim it */
1975                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1976                                         result = TRUE;
1977                         } else {
1978                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1979                                 /* If it's POP then dim */
1980                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1981                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1982                         }
1983                 }
1984         }
1985         g_object_unref (parent_folder);
1986
1987         return result;
1988 }
1989
1990 static gboolean
1991 _header_view_is_all_selected (ModestMainWindow *win)
1992 {
1993         const DimmedState *state = NULL;
1994
1995         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1996
1997         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
1998
1999         return state->all_selected;
2000 }
2001
2002 static gboolean
2003 _selected_folder_is_empty (ModestMainWindow *win)
2004 {
2005         GtkWidget *folder_view = NULL;
2006         TnyFolderStore *folder = NULL;
2007         gboolean result = FALSE;
2008
2009         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2010
2011         /* Get folder view */
2012         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2013                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2014         /* If no folder view, always dimmed */
2015         if (!folder_view)
2016                 return TRUE;
2017
2018         /* Get selected folder as parent of new folder to create */
2019         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2020         if (!(folder && TNY_IS_FOLDER(folder))) {
2021                 if (folder)
2022                         g_object_unref (folder);
2023                 return TRUE;
2024         }
2025
2026         /* Check folder type */
2027         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
2028
2029         /* free */
2030         g_object_unref (folder);
2031
2032         return result;
2033 }
2034
2035 static gboolean
2036 _folder_view_has_focus (ModestWindow *win)
2037 {
2038         GtkWidget *folder_view = NULL;
2039
2040         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2041
2042         /* Get folder view */
2043         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2044                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2045         if (!folder_view)
2046                 return FALSE;
2047
2048         if (gtk_widget_is_focus(folder_view))
2049                 return TRUE;
2050
2051         return FALSE;
2052 }
2053
2054 static gboolean
2055 _selected_folder_is_same_as_source (ModestWindow *win)
2056 {
2057         ModestEmailClipboard *clipboard = NULL;
2058         GtkWidget *folder_view = NULL;
2059         TnyFolderStore *folder = NULL;
2060         gboolean result = FALSE;
2061
2062         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2063
2064         /* Get folder view */
2065         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2066                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2067         if (!folder_view)
2068                 return FALSE;
2069
2070         /* Get selected folder as destination folder */
2071         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2072         if (!(folder && TNY_IS_FOLDER(folder))) {
2073                 result = FALSE;
2074                 goto frees;
2075         }
2076
2077         /* Check clipboard is cleared */
2078         clipboard = modest_runtime_get_email_clipboard ();
2079         if (modest_email_clipboard_cleared (clipboard)) {
2080                 result = FALSE;
2081                 goto frees;
2082         }
2083
2084         /* Check source folder */
2085         result = modest_email_clipboard_check_source_folder (clipboard,
2086                                                              (const TnyFolder *) folder);
2087
2088         /* Free */
2089  frees:
2090         g_object_unref (folder);
2091
2092         return result;
2093 }
2094
2095 static gboolean
2096 _selected_folder_is_any_of_type (ModestWindow *win,
2097                                  TnyFolderType types[],
2098                                  guint ntypes)
2099 {
2100         GtkWidget *folder_view = NULL;
2101         TnyFolderStore *folder = NULL;
2102         TnyFolderType folder_type;
2103         guint i=0;
2104         gboolean result = FALSE;
2105
2106         /*Get current folder */
2107         if (MODEST_IS_MAIN_WINDOW(win)) {
2108
2109                 /* Get folder view */
2110                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2111                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2112                 /* If no folder view, always dimmed */
2113                 if (!folder_view)
2114                         return FALSE;
2115
2116                 /* Get selected folder as parent of new folder to create */
2117                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2118
2119                 if (!(folder && TNY_IS_FOLDER(folder))) {
2120                         if (folder)
2121                                 g_object_unref (folder);
2122                         return FALSE;
2123                 }
2124
2125                 /* Check folder type */
2126                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2127         }
2128         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2129                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2130                 for (i=0; i < ntypes; i++) {
2131                         result = result || folder_type == types[i];
2132                 }
2133         }
2134
2135
2136         /* free */
2137         g_object_unref (folder);
2138
2139         return result;
2140 }
2141
2142 static gboolean
2143 _folder_is_any_of_type (TnyFolder *folder,
2144                         TnyFolderType types[],
2145                         guint ntypes)
2146 {
2147         TnyFolderType folder_type;
2148         gboolean result = FALSE;
2149         guint i;
2150
2151         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2152
2153         /* Get folder type */
2154         folder_type = modest_tny_folder_guess_folder_type (folder);
2155
2156         /* Check foler type */
2157         for (i=0; i < ntypes; i++) {
2158                 result = result || folder_type == types[i];
2159         }
2160
2161         return result;
2162 }
2163
2164 static gboolean
2165 _clipboard_is_empty (ModestWindow *win)
2166 {
2167         gboolean result = FALSE;
2168
2169         if (MODEST_IS_MAIN_WINDOW (win)) {
2170                 ModestEmailClipboard *clipboard = NULL;
2171                 clipboard = modest_runtime_get_email_clipboard ();
2172                 if (modest_email_clipboard_cleared (clipboard))
2173                  result = TRUE;
2174         }
2175
2176         return result;
2177 }
2178
2179 static gboolean
2180 _invalid_clipboard_selected (ModestWindow *win,
2181                              ModestDimmingRule *rule)
2182 {
2183         const DimmedState *state = NULL;
2184         gboolean result = FALSE;
2185         GtkWidget *focused = NULL;
2186
2187         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2188         state = modest_window_get_dimming_state (win);
2189         /* Get focuesed widget */
2190         focused = gtk_window_get_focus (GTK_WINDOW (win));
2191
2192         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2193                 gboolean has_selection = FALSE;
2194                 if (GTK_IS_TEXT_VIEW (focused)) {
2195                         GtkTextBuffer *buffer = NULL;
2196                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2197                         has_selection = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
2198                 } else if (GTK_IS_EDITABLE (focused)) {
2199                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2200                 }
2201                 result = !has_selection;
2202         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2203                 GtkClipboard *clipboard = NULL;
2204                 gchar *selection = NULL;
2205
2206                 /* Get clipboard selection*/
2207                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2208                 selection = gtk_clipboard_wait_for_text (clipboard);
2209
2210                 /* Check dimming */
2211                 result = ((selection == NULL) ||
2212                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
2213
2214                 if (result)
2215                         modest_dimming_rule_set_notification (rule, "");
2216
2217                 if (selection != NULL)
2218                         g_free(selection);
2219         }
2220         else if (MODEST_IS_MAIN_WINDOW (win)) {
2221                 /* Check dimming */
2222                 result = state->n_selected == 0;
2223                 if (result)
2224                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2225         }
2226
2227         return result;
2228 }
2229
2230
2231 static gboolean
2232 _invalid_attach_selected (ModestWindow *win,
2233                           gboolean unique,
2234                           gboolean for_view,
2235                           gboolean for_remove,
2236                           ModestDimmingRule *rule)
2237 {
2238         GList *attachments, *node;
2239         gint n_selected;
2240         TnyHeaderFlags flags;
2241         gboolean nested_attachments = FALSE;
2242         gboolean selected_messages = FALSE;
2243         const DimmedState *state = NULL;
2244         gboolean result = FALSE;
2245
2246         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2247         state = modest_window_get_dimming_state (win);
2248
2249         if (MODEST_IS_MAIN_WINDOW (win)) {
2250                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2251                 if (!result)
2252                         result = !state->any_has_attachments;
2253         }
2254         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2255
2256                 /* Get selected atachments */
2257                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2258                 n_selected = g_list_length (attachments);
2259
2260                 /* Check unique */
2261                 if (!result) {
2262                         if (unique)
2263                                 result = n_selected != 1;
2264                         else
2265
2266                                 result = n_selected < 1;
2267                 }
2268
2269                 /* Check attached type (view operation not required) */
2270                 if (!result && !for_view)  {
2271                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
2272                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2273                                 TnyList *nested_list = tny_simple_list_new ();
2274                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
2275                                         selected_messages = TRUE;
2276                                         result = TRUE;
2277                                 }
2278                                 tny_mime_part_get_parts (mime_part, nested_list);
2279                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2280                                         nested_attachments = TRUE;
2281                                         result = TRUE;
2282                                 }
2283                                 g_object_unref (nested_list);
2284                         }
2285                 }
2286
2287                 /* Set notifications */
2288                 if (result && rule != NULL) {
2289                         if (selected_messages) {
2290                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2291                         } else if (nested_attachments) {
2292                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2293                         } else if (n_selected == 0) {
2294                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2295                         } else if (unique) {
2296                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2297                         }
2298                 }
2299
2300                 /* Free */
2301                 g_list_free (attachments);
2302         }
2303
2304         return result;
2305 }
2306
2307 static gboolean
2308 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2309 {
2310         GList *attachments = NULL, *node;
2311         gint purged = 0;
2312         gint n_attachments = 0;
2313         gboolean result = FALSE;
2314
2315         /* This should check if _all_ the attachments are already purged. If only some
2316          * of them are purged, then it does not cause dim as there's a confirmation dialog
2317          * for removing only local attachments */
2318
2319         /* Get selected atachments */
2320         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2321                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2322         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2323                 /* If we're in main window, we won't know if there are already purged attachments */
2324                 return FALSE;
2325         }
2326
2327         if (attachments == NULL)
2328                 return FALSE;
2329
2330         for (node = attachments; node != NULL; node = g_list_next (node)) {
2331                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2332                 if (tny_mime_part_is_purged (mime_part)) {
2333                         purged++;
2334                 }
2335                 n_attachments++;
2336         }
2337
2338         /* Free */
2339         g_list_free (attachments);
2340
2341         if (all)
2342                 result = (purged == n_attachments);
2343         else
2344                 result = (purged > 0);
2345
2346         if (result && (rule != NULL))
2347                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2348
2349         return result;
2350 }
2351
2352 static gboolean
2353 _invalid_msg_selected (ModestMainWindow *win,
2354                        gboolean unique,
2355                        ModestDimmingRule *rule)
2356 {
2357         GtkWidget *folder_view = NULL;
2358         const DimmedState *state = NULL;
2359         gboolean result = FALSE;
2360
2361         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2362         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2363         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2364
2365         /* Get folder view to check focus */
2366         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2367                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2368
2369         /* Check dimmed rule (TODO: check focus on widgets */
2370         if (!result) {
2371                 result = ((state->n_selected == 0 ) ||
2372                           (gtk_widget_is_focus (folder_view)));
2373                 if (result)
2374                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2375         }
2376         if (!result && unique) {
2377                 result = state->n_selected > 1;
2378                 if (result)
2379                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2380         }
2381
2382         return result;
2383 }
2384
2385
2386 static gboolean
2387 _msg_download_in_progress (ModestWindow *win)
2388 {
2389         gboolean result = FALSE;
2390
2391         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2392
2393         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2394                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2395         }
2396         else if (MODEST_IS_MAIN_WINDOW (win)) {
2397                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2398         }
2399
2400         return result;
2401 }
2402
2403 static gboolean
2404 _msg_download_completed (ModestMainWindow *win)
2405 {
2406         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2407         return state->any_marked_as_cached;
2408 }
2409
2410 static void
2411 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2412 {
2413         GSList **send_queues = (GSList **) userdata;
2414         *send_queues = g_slist_prepend (*send_queues, value);
2415 }
2416
2417 static gboolean
2418 _selected_msg_sent_in_progress (ModestWindow *win)
2419 {
2420         const DimmedState *state = modest_window_get_dimming_state (win);
2421         return state->sent_in_progress;
2422 }
2423
2424
2425 static gboolean
2426 _sending_in_progress (ModestWindow *win)
2427 {
2428         GHashTable *send_queue_cache = NULL;
2429         ModestCacheMgr *cache_mgr = NULL;
2430         ModestTnySendQueue *send_queue = NULL;
2431         GSList *send_queues = NULL, *node = NULL;
2432         gboolean result = FALSE;
2433
2434         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2435
2436         /* Get send queue */
2437         cache_mgr = modest_runtime_get_cache_mgr ();
2438         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2439                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2440
2441         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2442
2443         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
2444                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2445
2446                 /* Check if send operation is in progress */
2447                 result = modest_tny_send_queue_sending_in_progress (send_queue);
2448         }
2449
2450         return result;
2451 }
2452
2453 static gboolean
2454 _send_receive_in_progress (ModestWindow *win)
2455 {
2456         gboolean result = FALSE;
2457
2458         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2459
2460         /* Check if send operation is in progress */
2461         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
2462
2463         return result;
2464 }
2465
2466 static gboolean
2467 _invalid_folder_for_purge (ModestWindow *win,
2468                            ModestDimmingRule *rule)
2469 {
2470         TnyMsg *msg = NULL;
2471         TnyFolder *folder = NULL;
2472         TnyAccount *account = NULL;
2473         gboolean result = FALSE;
2474
2475         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2476
2477                 /* Get folder and account of message */
2478                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2479                 g_return_val_if_fail(msg != NULL, TRUE);
2480                 folder = tny_msg_get_folder (msg);
2481                 if (folder == NULL) {
2482                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2483                         goto frees;
2484                 }
2485                 g_object_unref (msg);
2486         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2487                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2488                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2489                 if (!folder_view)
2490                         return FALSE;
2491                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
2492                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2493                         goto frees;
2494         } else {
2495                 g_return_val_if_reached (FALSE);
2496         }
2497         account = modest_tny_folder_get_account (folder);
2498         if (account == NULL) goto frees;
2499
2500         /* Check account */
2501         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2502                 TnyFolderType types[2];
2503                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2504                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2505
2506                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2507                         result = TRUE;
2508                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2509                 } else {
2510                         /* We're currently disabling purge in any local store */
2511                         result = TRUE;
2512                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2513                 }
2514         } else {
2515                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2516                 /* If it's POP then dim */
2517                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2518                     MODEST_PROTOCOL_STORE_POP) {
2519                         GList *attachments = NULL;
2520                         gint n_selected = 0;
2521                         result = TRUE;
2522
2523                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2524                          * murrayc */
2525                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2526                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2527                                 n_selected = g_list_length (attachments);
2528                                 g_list_free (attachments);
2529                         }
2530
2531                         modest_dimming_rule_set_notification (rule,
2532                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2533                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2534                                                                         n_selected));
2535                 }
2536         }
2537
2538 frees:
2539         if (folder != NULL)
2540                 g_object_unref (folder);
2541         if (account != NULL)
2542                 g_object_unref (account);
2543
2544         return result;
2545 }
2546
2547 static gboolean
2548 _transfer_mode_enabled (ModestWindow *win)
2549 {
2550         gboolean result = FALSE;
2551
2552         /* Check dimming */
2553         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2554                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2555         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2556                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2557         } else {
2558                 g_warning("_transfer_mode_enabled called with wrong window type");
2559         }
2560
2561         return result;
2562 }
2563
2564 static gboolean
2565 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2566 {
2567         GtkWidget *folder_view = NULL;
2568         TnyFolderStore *folder = NULL;
2569         ModestEmailClipboard *clipboard = NULL;
2570         const gchar *folder_name = NULL;
2571         gboolean result = FALSE;
2572
2573         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2574
2575         /*Get current parent folder */
2576         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2577                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2578         /* If no folder view, always dimmed */
2579         if (!folder_view) return FALSE;
2580
2581         /* Get selected folder as parent of new folder to create */
2582         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2583         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2584
2585         /* get modest clipboard and source folder */
2586         clipboard = modest_runtime_get_email_clipboard ();
2587         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2588         if (folder_name == NULL) goto frees;
2589
2590         /* Check source subfolders names */
2591         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name);
2592
2593
2594         /* Free */
2595  frees:
2596         if (folder != NULL)
2597                 g_object_unref (folder);
2598
2599
2600         return result;
2601 }
2602