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