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-debug.h"
  38 #include "modest-tny-folder.h"
  39 #include "modest-tny-account.h"
  40 #include "modest-text-utils.h"
  41 #include <widgets/modest-attachments-view.h>
  42 #include <modest-runtime.h>
  43 #include <tny-simple-list.h>
  44 #include <widgets/modest-recpt-editor.h>
  45 #include <gtkhtml/gtkhtml.h>
  46
  47
  48 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  49 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  50 static gboolean _invalid_attach_selected (ModestWindow *win,
  51                                           gboolean unique, gboolean for_view, gboolean for_remove,
  52                                           ModestDimmingRule *rule);
  53 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  54 static gboolean _clipboard_is_empty (ModestWindow *win);
  55 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  56 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  57 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  58 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  59 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  61 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  62 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  63 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  64 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  65 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  66 static gboolean _folder_view_has_focus (ModestWindow *win);
  67 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  68 static gboolean _msg_download_in_progress (ModestWindow *win);
  69 static gboolean _msg_download_completed (ModestMainWindow *win);
  70 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  71 static gboolean _sending_in_progress (ModestWindow *win);
  72 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  73 static gboolean _transfer_mode_enabled (ModestWindow *win);
  74 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  75 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  76
  77
  78 static DimmedState *
  79 _define_main_window_dimming_state (ModestMainWindow *window)
  80 {
  81         DimmedState *state = NULL;
  82         GtkWidget *focused_widget = NULL;
  83         GtkWidget *header_view = NULL;
  84         GtkTreeModel *model = NULL;
  85         TnyList *selected_headers = NULL;
  86         TnyIterator *iter = NULL;
  87         TnyHeader *header = NULL;
  88         ModestCacheMgr *cache_mgr = NULL;
  89         GHashTable *send_queue_cache = NULL;
  90         ModestTnySendQueue *send_queue = NULL;
  91         GSList *send_queues = NULL, *node = NULL;
  92         ModestWindowMgr *mgr = NULL;
  93         gboolean found = FALSE;
  94         gchar *msg_uid = NULL;
  95         TnyHeaderFlags flags;
  96         gboolean all_deleted = TRUE;
  97         gboolean all_seen = TRUE;
  98         gboolean all_cached = TRUE;
  99         gboolean all_has_attach = TRUE;
 100
 101         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 102
 103         /* Init state */
 104         state = g_slice_new0 (DimmedState);
 105         state->n_selected = 0;
 106         state->already_opened_msg = 0;
 107         state->any_marked_as_deleted = FALSE;
 108         state->all_marked_as_deleted = FALSE;
 109         state->any_marked_as_seen = FALSE;
 110         state->all_marked_as_seen = FALSE;
 111         state->any_marked_as_cached = FALSE;
 112         state->all_marked_as_cached = FALSE;
 113         state->any_has_attachments = FALSE;
 114         state->all_has_attachments = FALSE;
 115         state->sent_in_progress = FALSE;
 116         state->all_selected = FALSE;
 117
 118         /* Get focused widget */
 119         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 120         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 121                 state->n_selected++;
 122                 return state;
 123         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 124                 header_view = focused_widget;
 125         } else {
 126                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 127         }
 128
 129         /* Get header view and selected headers */
 130         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 131         if (!selected_headers)
 132                 return state;
 133
 134         /* Examine selected headers */
 135         iter = tny_list_create_iterator (selected_headers);
 136         while (!tny_iterator_is_done (iter)) {
 137                 header = TNY_HEADER (tny_iterator_get_current (iter));
 138                 flags = tny_header_get_flags (header);
 139
 140                 /* No selected */
 141                 state->n_selected++;
 142
 143                 /* Already opened */
 144                 mgr = modest_runtime_get_window_mgr ();
 145                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 146                         state->already_opened_msg++;
 147
 148
 149                 /* Mark as deleted */
 150                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 151                 state->all_marked_as_deleted = all_deleted;
 152                 if (!state->any_marked_as_deleted)
 153                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 154
 155                 /* Mark as seen */
 156                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 157                 state->all_marked_as_seen = all_seen;
 158                 if (!state->any_marked_as_seen)
 159                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 160
 161                 /* Mark as cached */
 162                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 163                 state->all_marked_as_cached = all_cached;
 164                 if (!state->any_marked_as_cached)
 165                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 166
 167                 /* Mark has_attachments */
 168                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 169                 state->all_has_attachments = all_has_attach;
 170                 if (!state->any_has_attachments)
 171                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 172
 173                 /* sent in progress */
 174                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 175                 if (!state->sent_in_progress) {
 176                         cache_mgr = modest_runtime_get_cache_mgr ();
 177                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 178                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 179
 180                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 181
 182                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 183                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 184
 185                                 /* Check if msg uid is being processed inside send queue */
 186                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 187                         }
 188                         state->sent_in_progress = found;
 189                 }
 190
 191                 tny_iterator_next (iter);
 192                 g_object_unref (header);
 193         }
 194
 195         /* check if all the headers are selected or not */
 196         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 197         if (model != NULL){
 198                 gint count;
 199                 count = gtk_tree_model_iter_n_children(model, NULL);
 200                 if(state->n_selected == count)
 201                         state->all_selected = TRUE;
 202         }
 203
 204         /* Free */
 205         g_free(msg_uid);
 206         g_object_unref(selected_headers);
 207         g_object_unref(iter);
 208         g_slist_free (send_queues);
 209
 210         return state;
 211 }
 212
 213 static DimmedState *
 214 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 215 {
 216         DimmedState *state = NULL;
 217         TnyHeader *header = NULL;
 218         ModestCacheMgr *cache_mgr = NULL;
 219         GHashTable *send_queue_cache = NULL;
 220         ModestTnySendQueue *send_queue = NULL;
 221         GSList *send_queues = NULL, *node = NULL;
 222         gboolean found = FALSE;
 223         gchar *msg_uid = NULL;
 224         TnyHeaderFlags flags;
 225         gboolean all_deleted = TRUE;
 226         gboolean all_seen = TRUE;
 227         gboolean all_cached = TRUE;
 228         gboolean all_has_attach = TRUE;
 229
 230         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 231
 232         /* Init state */
 233         state = g_slice_new0 (DimmedState);
 234         state->n_selected = 0;
 235         state->already_opened_msg = 0;
 236         state->any_marked_as_deleted = FALSE;
 237         state->all_marked_as_deleted = FALSE;
 238         state->any_marked_as_seen = FALSE;
 239         state->all_marked_as_seen = FALSE;
 240         state->any_marked_as_cached = FALSE;
 241         state->all_marked_as_cached = FALSE;
 242         state->any_has_attachments = FALSE;
 243         state->all_has_attachments = FALSE;
 244         state->sent_in_progress = FALSE;
 245
 246         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 247         if (header == NULL)
 248                 return state;
 249         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 250         flags = tny_header_get_flags (header);
 251
 252         /* Selected */
 253         state->n_selected++;
 254
 255         /* Mark as deleted */
 256         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 257         state->all_marked_as_deleted = all_deleted;
 258         if (!state->any_marked_as_deleted)
 259                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 260
 261         /* Mark as seen */
 262         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 263         state->all_marked_as_seen = all_seen;
 264         if (!state->any_marked_as_seen)
 265                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 266
 267         /* Mark as cached */
 268         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 269         state->all_marked_as_cached = all_cached;
 270         if (!state->any_marked_as_cached)
 271                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 272
 273         /* Mark has_attachments */
 274         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 275         state->all_has_attachments = all_has_attach;
 276         if (!state->any_has_attachments)
 277                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 278
 279         /* sent in progress */
 280         msg_uid = modest_tny_send_queue_get_msg_id (header);
 281         if (!state->sent_in_progress) {
 282                 cache_mgr = modest_runtime_get_cache_mgr ();
 283                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 284                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 285
 286                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 287
 288                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 289                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 290
 291                         /* Check if msg uid is being processed inside send queue */
 292                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 293                 }
 294                 state->sent_in_progress = found;
 295         }
 296
 297         /* Free */
 298         g_free(msg_uid);
 299         g_object_unref (header);
 300         g_slist_free (send_queues);
 301
 302         return state;
 303 }
 304
 305
 306 DimmedState *
 307 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 308 {
 309         DimmedState *state = NULL;
 310
 311         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 312
 313         if (MODEST_IS_MAIN_WINDOW (window))
 314                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 315         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 316                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 317         }
 318
 319         return state;
 320 }
 321
 322
 323 gboolean
 324 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 325 {
 326         ModestDimmingRule *rule = NULL;
 327         gboolean dimmed = FALSE;
 328
 329         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 330         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 331         rule = MODEST_DIMMING_RULE (user_data);
 332
 333         /* Check dimmed rule */
 334         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 335                 if (!dimmed) {
 336                         dimmed = _msg_download_in_progress (win);
 337                         if (dimmed)
 338                                 modest_dimming_rule_set_notification (rule, "");
 339                 }
 340         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 341                 if (!dimmed) {
 342                         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 343                                                                   TRUE);
 344                         if (dimmed)
 345                                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 346                 }
 347         }
 348
 349         return dimmed;
 350 }
 351
 352 gboolean
 353 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 354 {
 355         ModestDimmingRule *rule = NULL;
 356         GtkWidget *folder_view = NULL;
 357         TnyFolderStore *parent_folder = NULL;
 358         gboolean dimmed = FALSE;
 359
 360         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 361         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 362         rule = MODEST_DIMMING_RULE (user_data);
 363
 364         if (!dimmed) {
 365                 dimmed = _transfer_mode_enabled (win);
 366                 if (dimmed) {
 367                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 368                         return dimmed;
 369                 }
 370         }
 371
 372         /* Get selected folder as parent of new folder to create */
 373         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 374                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 375         if (!folder_view) /* folder view may not have been created yet */
 376                 return TRUE;
 377
 378         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 379         if (!parent_folder)
 380                 return TRUE;
 381
 382         if (TNY_IS_ACCOUNT (parent_folder)) {
 383                 /* If it's the local account then do not dim */
 384                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 385                         dimmed = FALSE;
 386                 } else {
 387                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 388                         if (proto_str != NULL) {
 389                                 /* If it's POP then dim */
 390                                 dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 391                                           MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 392                                 if (dimmed)
 393                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 394                         }
 395                 }
 396         } else {
 397                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 398
 399                 TnyFolderType types[3];
 400
 401                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 402                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 403                 types[2] = TNY_FOLDER_TYPE_SENT;
 404
 405                 /* Apply folder rules */
 406                 if (!dimmed) {
 407                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 408                         if (dimmed)
 409                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 410                 }
 411                 if (!dimmed) {
 412                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 413                         if (dimmed)
 414                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 415                 }
 416         }
 417
 418         /* if not the folder is selected then dim */
 419         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 420                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 421         if (folder_view && !gtk_widget_is_focus (folder_view))
 422                 dimmed = TRUE;
 423
 424         g_object_unref (parent_folder);
 425
 426         return dimmed;
 427 }
 428
 429 gboolean
 430 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 431 {
 432         ModestDimmingRule *rule = NULL;
 433         GtkWidget *folder_view = NULL;
 434         GtkWidget *header_view = NULL;
 435         gboolean dimmed = FALSE;
 436
 437         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 438         rule = MODEST_DIMMING_RULE (user_data);
 439
 440         if (MODEST_IS_MAIN_WINDOW (win)) {
 441                 /* Get the folder view */
 442                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 443                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 444
 445                 /* Get header view */
 446                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 447                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 448
 449                 if (header_view && gtk_widget_is_focus (header_view))
 450                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 451
 452                 if (folder_view && gtk_widget_is_focus (folder_view))
 453                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 454
 455                 if (header_view && folder_view &&
 456                     !gtk_widget_is_focus (header_view) &&
 457                     !gtk_widget_is_focus (folder_view)) {
 458                         dimmed = TRUE;
 459                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 460                 }
 461         } else {
 462                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 463         }
 464
 465         return dimmed;
 466 }
 467
 468
 469
 470 gboolean
 471 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 472 {
 473         ModestDimmingRule *rule = NULL;
 474         TnyFolderType types[6];
 475         gboolean dimmed = FALSE;
 476
 477         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 478         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 479         rule = MODEST_DIMMING_RULE (user_data);
 480
 481         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 482         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 483         types[2] = TNY_FOLDER_TYPE_SENT;
 484         types[3] = TNY_FOLDER_TYPE_INBOX;
 485         types[4] = TNY_FOLDER_TYPE_ROOT;
 486         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 487
 488
 489         /* Check dimmed rule */
 490         if (!dimmed) {
 491                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 492                 if (dimmed)
 493                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 494         }
 495         if (!dimmed) {
 496                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 497                 if (dimmed)
 498                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 499         }
 500         if (!dimmed) {
 501                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 502                 if (dimmed)
 503                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 504         }
 505         if (!dimmed) {
 506                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 507                 if (dimmed)
 508                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 509         }
 510         if (!dimmed) {
 511                 dimmed = _transfer_mode_enabled (win);
 512                 if (dimmed)
 513                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 514         }
 515
 516         return dimmed;
 517 }
 518
 519 gboolean
 520 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 521 {
 522         ModestDimmingRule *rule = NULL;
 523         gboolean dimmed = FALSE;
 524
 525         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 526         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 527         rule = MODEST_DIMMING_RULE (user_data);
 528
 529         /* Check dimmed rule */
 530         if (!dimmed) {
 531                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 532                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 533         }
 534
 535         if (!dimmed) {
 536                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 537                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 538         }
 539
 540         return dimmed;
 541
 542 }
 543
 544 gboolean
 545 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 546 {
 547         ModestDimmingRule *rule = NULL;
 548         TnyFolderType types[4];
 549         gboolean dimmed = FALSE;
 550
 551         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 552         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 553         rule = MODEST_DIMMING_RULE (user_data);
 554
 555         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 556         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 557         types[2] = TNY_FOLDER_TYPE_SENT;
 558         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 559
 560         /* Check dimmed rule */
 561         if (!dimmed) {
 562                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 563                 if (dimmed)
 564                         modest_dimming_rule_set_notification (rule, "");
 565         }
 566         if (!dimmed) {
 567                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 568                 if (dimmed)
 569                         modest_dimming_rule_set_notification (rule, "");
 570         }
 571         if (!dimmed) {
 572                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 573                 if (dimmed)
 574                         modest_dimming_rule_set_notification (rule, "");
 575         }
 576         if (!dimmed) {
 577                 dimmed = _transfer_mode_enabled (win);
 578                 if (dimmed)
 579                         modest_dimming_rule_set_notification (rule, "");
 580         }
 581
 582         return dimmed;
 583 }
 584
 585 gboolean
 586 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 587 {
 588         ModestDimmingRule *rule = NULL;
 589         gboolean dimmed = FALSE;
 590         const DimmedState *state = NULL;
 591
 592         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 593         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 594         rule = MODEST_DIMMING_RULE (user_data);
 595         state = modest_window_get_dimming_state (win);
 596
 597         /* Check dimmed rule */
 598         if (!dimmed) {
 599                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 600         }
 601         if (!dimmed) {
 602                 dimmed = state->any_marked_as_deleted;
 603                 if (dimmed)
 604                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 605         }
 606         if (!dimmed) {
 607                 dimmed = _selected_msg_sent_in_progress (win);
 608                 if (dimmed)
 609                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 610         }
 611
 612         return dimmed;
 613 }
 614
 615 gboolean
 616 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 617 {
 618         ModestDimmingRule *rule = NULL;
 619         gboolean dimmed = FALSE;
 620         TnyFolderType types[3];
 621
 622         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 623         rule = MODEST_DIMMING_RULE (user_data);
 624
 625         /* main window dimming rules */
 626         if (MODEST_IS_MAIN_WINDOW(win)) {
 627
 628                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 629                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 630                 types[2] = TNY_FOLDER_TYPE_ROOT;
 631
 632                 /* Check dimmed rule */
 633                 if (!dimmed) {
 634                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 635                         if (dimmed)
 636                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 637                 }
 638                 if (!dimmed) {
 639                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 640                         if (dimmed)
 641                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 642                 }
 643                 if (!dimmed) {
 644                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 645                 }
 646         /* msg view window dimming rules */
 647         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 648
 649                 /* Check dimmed rule */
 650                 if (!dimmed) {
 651                         dimmed = _transfer_mode_enabled (win);
 652                         if (dimmed)
 653                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 654                 }
 655                 if (!dimmed) {
 656                         dimmed = _msg_download_in_progress (win);
 657                         if (dimmed)
 658                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 659                 }
 660         }
 661
 662         return dimmed;
 663 }
 664
 665
 666 gboolean
 667 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 668 {
 669         ModestDimmingRule *rule = NULL;
 670         gboolean dimmed = FALSE;
 671
 672         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 673         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 674         rule = MODEST_DIMMING_RULE (user_data);
 675
 676         /* Check dimmed rule */
 677         if (!dimmed) {
 678                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 679         }
 680         if (!dimmed) {
 681                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 682                 if (dimmed)
 683                         modest_dimming_rule_set_notification (rule, "");
 684         }
 685
 686         return dimmed;
 687 }
 688
 689 gboolean
 690 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 691 {
 692         gboolean dimmed = FALSE;
 693
 694         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 695
 696         /* Check dimmed rule */
 697         if (!dimmed)
 698                 dimmed = TRUE;
 699
 700         return dimmed;
 701 }
 702
 703 gboolean
 704 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 705 {
 706         ModestDimmingRule *rule = NULL;
 707         const DimmedState *state = NULL;
 708         gboolean dimmed = FALSE;
 709
 710         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 711         rule = MODEST_DIMMING_RULE (user_data);
 712         state = modest_window_get_dimming_state (win);
 713
 714         /* Check dimmed rule */
 715         if (MODEST_IS_MAIN_WINDOW (win)) {
 716                 if (!dimmed) {
 717                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 718                         if (dimmed)
 719                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 720                 }
 721                 if (!dimmed) {
 722                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 723                 }
 724                 if (!dimmed) {
 725                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 726                         if (dimmed) {
 727                                 gchar *num = NULL, *message = NULL;
 728
 729                                 num = g_strdup_printf ("%d", state->already_opened_msg);
 730                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 731                                 modest_dimming_rule_set_notification (rule, message);
 732                                 g_free(num);
 733                                 g_free(message);
 734                         }
 735
 736                 }
 737                 if (!dimmed) {
 738                         dimmed = state->any_marked_as_deleted;
 739                         if (dimmed) {
 740                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 741                         }
 742                 }
 743                 if (!dimmed) {
 744                         dimmed = state->sent_in_progress;
 745                         if (dimmed)
 746                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 747                 }
 748         }
 749         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 750                 if (!dimmed) {
 751                         dimmed = _transfer_mode_enabled (win);
 752                         if (dimmed)
 753                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 754                 }
 755                 if (!dimmed) {
 756                         dimmed = state->any_marked_as_deleted;
 757                         if (dimmed)
 758                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 759                 }
 760                 if (!dimmed) {
 761                         dimmed = state->sent_in_progress;
 762                         if (dimmed)
 763                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 764                 }
 765
 766                 /* The delete button should be dimmed when viewing an attachment,
 767                  * but should be enabled when viewing a message from the list,
 768                  * or when viewing a search result.
 769                  */
 770                 if (!dimmed) {
 771                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 772                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 773                                 if (dimmed) {
 774                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 775                                 }
 776                         }
 777                 }
 778         }
 779
 780         return dimmed;
 781 }
 782
 783 gboolean
 784 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 785 {
 786         ModestDimmingRule *rule = NULL;
 787         GtkWidget *header_view = NULL;
 788         gboolean dimmed = FALSE;
 789
 790         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 791         rule = MODEST_DIMMING_RULE (user_data);
 792
 793         /* main window dimming rules */
 794         if (MODEST_IS_MAIN_WINDOW(win)) {
 795
 796                 /* Check dimmed rule */
 797                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 798                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 799
 800                 /* If the header view has the focus: */
 801                 if (header_view && gtk_widget_is_focus (header_view)) {
 802                         /* Check dimmed rule */
 803                         if (!dimmed)
 804                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 805                 }
 806                 else {
 807                         /* If the folder view has the focus: */
 808                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 809                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 810                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 811                                 TnyFolderStore *folder_store
 812                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 813                                 if (folder_store) {
 814                                         /* Only enable for folders, not accounts,
 815                                          * though the UI spec is not clear about that.
 816                                          * If we enable this for accounts then we must
 817                                          * add code to handle them in modest_ui_actions_on_details(). */
 818                                         if (!TNY_IS_FOLDER(folder_store)) {
 819                                                 dimmed = TRUE;
 820                                                 modest_dimming_rule_set_notification (rule, "");
 821                                         }
 822
 823                                         g_object_unref (folder_store);
 824                                 } else {
 825                                         dimmed = TRUE;
 826                                         modest_dimming_rule_set_notification (rule, "");
 827                                 }
 828                                 if (!dimmed) {
 829                                         dimmed = _msg_download_in_progress (win);
 830                                         if (dimmed)
 831                                                 modest_dimming_rule_set_notification (rule, "");
 832                                 }
 833
 834                         }
 835
 836                 }
 837
 838         /* msg view window dimming rules */
 839         } else {
 840
 841                 /* Check dimmed rule */
 842                 if (!dimmed) {
 843                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 844                                 dimmed = _msg_download_in_progress (win);
 845                         if (dimmed)
 846                                 modest_dimming_rule_set_notification (rule, "");
 847                 }
 848                 if (!dimmed) {
 849                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 850                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 851                         }
 852                         if (dimmed)
 853                                 modest_dimming_rule_set_notification (rule, "");
 854                 }
 855         }
 856
 857         return dimmed;
 858 }
 859
 860
 861 gboolean
 862 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 863 {
 864         ModestDimmingRule *rule = NULL;
 865         TnyHeaderFlags flags;
 866         const DimmedState *state = NULL;
 867         gboolean dimmed = FALSE;
 868
 869         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 870         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 871         rule = MODEST_DIMMING_RULE (user_data);
 872         state = modest_window_get_dimming_state (win);
 873
 874         flags = TNY_HEADER_FLAG_SEEN;
 875
 876         /* Check dimmed rule */
 877         if (!dimmed) {
 878                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 879         }
 880         if (!dimmed) {
 881                 dimmed = state->all_marked_as_seen;
 882                 if (dimmed)
 883                         modest_dimming_rule_set_notification (rule, "");
 884         }
 885
 886         return dimmed;
 887 }
 888
 889 gboolean
 890 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 891 {
 892         ModestDimmingRule *rule = NULL;
 893         TnyHeaderFlags flags;
 894         const DimmedState *state = NULL;
 895         gboolean dimmed = FALSE;
 896
 897         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 898         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 899         rule = MODEST_DIMMING_RULE (user_data);
 900         state = modest_window_get_dimming_state (win);
 901
 902         flags = TNY_HEADER_FLAG_SEEN;
 903
 904         /* Check dimmed rule */
 905         if (!dimmed)
 906                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 907         if (!dimmed) {
 908                 dimmed = !state->any_marked_as_seen;
 909                 if (dimmed)
 910                         modest_dimming_rule_set_notification (rule, "");
 911         }
 912
 913         return dimmed;
 914 }
 915
 916 gboolean
 917 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 918 {
 919         ModestDimmingRule *rule = NULL;
 920         gboolean dimmed = FALSE;
 921
 922         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 923         rule = MODEST_DIMMING_RULE (user_data);
 924
 925         if (MODEST_IS_MAIN_WINDOW (win))
 926                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 927         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 928                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 929
 930         return dimmed;
 931 }
 932
 933
 934 gboolean
 935 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 936 {
 937         GtkWidget *folder_view = NULL;
 938         ModestDimmingRule *rule = NULL;
 939         const DimmedState *state = NULL;
 940         gboolean dimmed = FALSE;
 941
 942         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 943         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 944         rule = MODEST_DIMMING_RULE (user_data);
 945         state = modest_window_get_dimming_state (win);
 946
 947         /* Get the folder view */
 948         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 949                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 950
 951
 952         /* Check diming rules for folders transfer  */
 953         if (gtk_widget_is_focus (folder_view)) {
 954                 TnyFolderType types[5];
 955
 956                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 957                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 958                 types[2] = TNY_FOLDER_TYPE_SENT;
 959                 types[3] = TNY_FOLDER_TYPE_ROOT;
 960                 types[4] = TNY_FOLDER_TYPE_INBOX;
 961
 962                 /* Apply folder rules */
 963                 if (!dimmed) {
 964                         dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
 965                         if (dimmed)
 966                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 967                 }
 968                 if (!dimmed) {
 969                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 970                         if (dimmed)
 971                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 972                 }
 973         }
 974
 975         /* Check diming rules for messages transfer  */
 976         if (!dimmed) {
 977                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 978                 if (dimmed) {
 979                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"),
 980                                                          state->already_opened_msg);
 981                         modest_dimming_rule_set_notification (rule, message);
 982                         g_free(message);
 983                 }
 984         }
 985         if (!dimmed) {
 986                 if (!gtk_widget_is_focus (folder_view))
 987                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 988
 989         }
 990         if (!dimmed) {
 991                 dimmed = _selected_msg_sent_in_progress (win);
 992                 if (dimmed)
 993                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
 994         }
 995
 996         return dimmed;
 997 }
 998
 999 gboolean
1000 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
1001 {
1002         ModestDimmingRule *rule = NULL;
1003         gboolean dimmed = FALSE;
1004
1005         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1006         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1007         rule = MODEST_DIMMING_RULE (user_data);
1008
1009         /* Check dimmed rule */
1010         if (!dimmed) {
1011                 dimmed = _transfer_mode_enabled (win);
1012                 if (dimmed)
1013                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1014         }
1015
1016         if (!dimmed) {
1017                 dimmed = _selected_msg_sent_in_progress (win);
1018                 if (dimmed)
1019                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1020         }
1021         if (!dimmed) {
1022                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1023                         /* The move_to button should be dimmed when viewing an attachment,
1024                          * but should be enabled when viewing a message from the list,
1025                          * or when viewing a search result.
1026                          */
1027                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1028                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1029                         }
1030                 }
1031
1032                 if (dimmed)
1033                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1034         }
1035
1036         return dimmed;
1037 }
1038
1039 gboolean
1040 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1041 {
1042         ModestDimmingRule *rule = NULL;
1043         gboolean dimmed = FALSE;
1044
1045         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1046         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1047         rule = MODEST_DIMMING_RULE (user_data);
1048
1049         /* Check dimmed rule */
1050         if (!dimmed) {
1051                 dimmed = _transfer_mode_enabled (win);
1052                 if (dimmed)
1053                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1054         }
1055
1056         return dimmed;
1057 }
1058
1059 gboolean
1060 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1061 {
1062         ModestDimmingRule *rule = NULL;
1063         TnyFolderType types[3];
1064         gboolean dimmed = FALSE;
1065
1066         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1067         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1068         rule = MODEST_DIMMING_RULE (user_data);
1069
1070         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1071         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1072         types[2] = TNY_FOLDER_TYPE_SENT;
1073
1074         /* Check dimmed rule */
1075         if (!dimmed) {
1076                 dimmed = _clipboard_is_empty (win);
1077                 if (dimmed)
1078                         modest_dimming_rule_set_notification (rule,
1079                                                               dgettext("hildon-common-strings",
1080                                                                        "ecoc_ib_edwin_nothing_to_paste"));
1081         }
1082         if (!dimmed) {
1083                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1084                 if (dimmed)
1085                         modest_dimming_rule_set_notification (rule,
1086                                                               dgettext("hildon-common-strings",
1087                                                                        "ckct_ib_unable_to_paste_here"));
1088         }
1089         if (!dimmed) {
1090                 dimmed = !_folder_view_has_focus (win);
1091                 if (dimmed)
1092                         modest_dimming_rule_set_notification (rule,
1093                                         dgettext("hildon-common-strings",
1094                                         "ckct_ib_unable_to_paste_here"));
1095         }
1096         if (!dimmed) {
1097                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1098                 if (dimmed)
1099                         modest_dimming_rule_set_notification (rule,
1100                                                               dgettext("hildon-common-strings",
1101                                                                        "ckct_ib_unable_to_paste_here"));
1102         }
1103         if (!dimmed) {
1104                 dimmed = _selected_folder_is_same_as_source (win);
1105                 if (dimmed)
1106                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1107         }
1108         if (!dimmed) {
1109                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1110                 if (dimmed)
1111                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1112         }
1113
1114         return dimmed;
1115 }
1116
1117
1118 gboolean
1119 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1120 {
1121         ModestDimmingRule *rule = NULL;
1122         gboolean dimmed = FALSE;
1123         GtkWidget *focused = NULL;
1124
1125         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1126         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1127         rule = MODEST_DIMMING_RULE (user_data);
1128
1129         focused = gtk_window_get_focus (GTK_WINDOW (win));
1130
1131         /* Main window dimming rules */
1132         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1133                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1134
1135         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1136                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1137
1138         if (!dimmed && GTK_IS_ENTRY (focused)) {
1139                 const gchar *current_text;
1140                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1141                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1142         }
1143
1144         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1145                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1146                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1147         }
1148
1149         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1150                 dimmed = FALSE;
1151         return dimmed;
1152 }
1153
1154 gboolean
1155 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1156 {
1157         ModestDimmingRule *rule = NULL;
1158         gboolean dimmed = FALSE;
1159
1160         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1161         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1162         rule = MODEST_DIMMING_RULE (user_data);
1163
1164         /* Check dimmed rule */
1165         if (!dimmed)
1166                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1167
1168         if (!dimmed) {
1169                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1170                 if (dimmed) {
1171                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1172                 }
1173         }
1174
1175         return dimmed;
1176 }
1177
1178 gboolean
1179 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1180 {
1181         ModestDimmingRule *rule = NULL;
1182         gboolean dimmed = FALSE;
1183
1184         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1185         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1186         rule = MODEST_DIMMING_RULE (user_data);
1187
1188         /* Check dimmed rule */
1189         if (!dimmed)
1190                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1191
1192         if (!dimmed) {
1193                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1194                 if (dimmed) {
1195                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1196                 }
1197         }
1198
1199         return dimmed;
1200 }
1201
1202 gboolean
1203 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1204 {
1205         ModestDimmingRule *rule = NULL;
1206         const DimmedState *state = NULL;
1207         gboolean dimmed = FALSE;
1208
1209         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1210         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1211         rule = MODEST_DIMMING_RULE (user_data);
1212         state = modest_window_get_dimming_state (win);
1213
1214         /* Check in main window if there's only one message selected */
1215         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1216                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1217         }
1218
1219         /* Check in view window if there's any attachment selected */
1220         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1221                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1222                 if (dimmed)
1223                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1224         }
1225
1226         if (!dimmed) {
1227
1228                 dimmed = _selected_msg_sent_in_progress (win);
1229                 if (dimmed) {
1230                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1231                 }
1232         }
1233
1234         /* cannot purge in editable drafts nor pop folders */
1235         if (!dimmed) {
1236                 dimmed = _invalid_folder_for_purge (win, rule);
1237         }
1238
1239         /* Check if the selected message in main window has attachments */
1240         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1241                 dimmed = !(state->any_has_attachments);
1242                 if (dimmed)
1243                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1244         }
1245
1246         /* Check if all attachments are already purged */
1247         if (!dimmed) {
1248                 dimmed = _purged_attach_selected (win, TRUE, rule);
1249         }
1250
1251         /* Check if the message is already downloaded */
1252         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1253                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1254                 if (dimmed)
1255                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1256         }
1257
1258
1259         return dimmed;
1260 }
1261
1262 gboolean
1263 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1264 {
1265         ModestDimmingRule *rule = NULL;
1266         gboolean dimmed = FALSE;
1267
1268         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1269         rule = MODEST_DIMMING_RULE (user_data);
1270
1271         /* Check dimmed rule */
1272         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1273                 dimmed = _clipboard_is_empty (win);
1274                 if (dimmed)
1275                         modest_dimming_rule_set_notification (rule, "");
1276         }
1277
1278         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1279                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1280         }
1281
1282         return dimmed;
1283 }
1284
1285 gboolean
1286 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1287 {
1288         ModestDimmingRule *rule = NULL;
1289         gboolean dimmed = FALSE;
1290
1291         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1292         rule = MODEST_DIMMING_RULE (user_data);
1293
1294         /* Check dimmed rule */
1295         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1296                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1297         }
1298
1299         return dimmed;
1300 }
1301
1302 gboolean
1303 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1304 {
1305         ModestDimmingRule *rule = NULL;
1306         const DimmedState *state = NULL;
1307         gboolean dimmed = FALSE;
1308
1309         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1310         rule = MODEST_DIMMING_RULE (user_data);
1311         state = modest_window_get_dimming_state (win);
1312
1313         /* Check common dimming rules */
1314         if (!dimmed) {
1315                 dimmed = _invalid_clipboard_selected (win, rule);
1316         }
1317
1318         /* Check window specific dimming rules */
1319         if (MODEST_IS_MAIN_WINDOW (win)) {
1320                 /* Get focused widget */
1321                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1322
1323                 if (MODEST_IS_HEADER_VIEW (focused)) {
1324                         if (!dimmed) {
1325                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1326                                 if (dimmed)
1327                                         modest_dimming_rule_set_notification (rule, "");
1328                         }
1329                         if (!dimmed) {
1330                                 dimmed = _selected_msg_sent_in_progress (win);
1331                                 if (dimmed)
1332                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1333                         }
1334                         if (!dimmed) {
1335                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1336                                 if(dimmed)
1337                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1338                         }
1339                 }
1340                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1341                         TnyFolderType types[3];
1342
1343                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1344                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1345                         types[2] = TNY_FOLDER_TYPE_SENT;
1346
1347                         /* Apply folder rules */
1348                         if (!dimmed) {
1349                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1350                                 if (dimmed)
1351                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
1352                         }
1353                         if (!dimmed) {
1354                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1355                                 if (dimmed)
1356                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1357                         }
1358                         if (!dimmed) {
1359                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1360                                 if (dimmed)
1361                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1362                         }
1363                 }
1364         }
1365
1366         return dimmed;
1367 }
1368
1369 gboolean
1370 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1371 {
1372         ModestDimmingRule *rule = NULL;
1373         const DimmedState *state = NULL;
1374         gboolean dimmed = FALSE;
1375
1376         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1377         rule = MODEST_DIMMING_RULE (user_data);
1378         state = modest_window_get_dimming_state (win);
1379
1380         /* Check common dimming rules */
1381         if (!dimmed) {
1382                 dimmed = _invalid_clipboard_selected (win, rule);
1383         }
1384
1385         /* Check window specific dimming rules */
1386         if (MODEST_IS_MAIN_WINDOW (win)) {
1387                 /* Get focused widget */
1388                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1389
1390                 if (MODEST_IS_HEADER_VIEW (focused)) {
1391                         if (!dimmed) {
1392                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1393                                 if (dimmed)
1394                                         modest_dimming_rule_set_notification (rule, "");
1395                         }
1396                         if (!dimmed) {
1397                                 dimmed = _selected_msg_sent_in_progress (win);
1398                                 if (dimmed)
1399                                         modest_dimming_rule_set_notification (rule, _(""));
1400                         }
1401                         if (!dimmed) {
1402                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1403                                 if(dimmed)
1404                                         modest_dimming_rule_set_notification (rule, _(""));
1405                         }
1406                 }
1407                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1408                         TnyFolderType types[3];
1409
1410                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1411                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1412                         types[2] = TNY_FOLDER_TYPE_SENT;
1413
1414                         if (!dimmed) {
1415                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1416                                 if (dimmed)
1417                                         modest_dimming_rule_set_notification (rule, _(""));
1418                         }
1419                         if (!dimmed) {
1420                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1421                                 if (dimmed)
1422                                         modest_dimming_rule_set_notification (rule, _(""));
1423                         }
1424                 }
1425         }
1426
1427         return dimmed;
1428 }
1429
1430 gboolean
1431 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1432 {
1433         ModestDimmingRule *rule = NULL;
1434         const DimmedState *state = NULL;
1435         gboolean dimmed = FALSE;
1436
1437         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1438         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1439         rule = MODEST_DIMMING_RULE (user_data);
1440         state = modest_window_get_dimming_state (win);
1441
1442
1443         /* Check common dimming rules */
1444         if (!dimmed) {
1445                 ModestMsgEditFormat format;
1446                 format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1447
1448                 dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1449                 if (dimmed)
1450                         modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1451         }
1452
1453         if (!dimmed) {
1454                 GtkWidget *body;
1455                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1456                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1457
1458                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1459                 if (dimmed)
1460                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1461         }
1462
1463
1464         return dimmed;
1465 }
1466
1467 gboolean
1468 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1469 {
1470         ModestDimmingRule *rule = NULL;
1471         const DimmedState *state = NULL;
1472         gboolean dimmed = FALSE;
1473
1474         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1475         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1476         rule = MODEST_DIMMING_RULE (user_data);
1477         state = modest_window_get_dimming_state (win);
1478
1479         if (!dimmed) {
1480                 GtkWidget *body;
1481                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1482                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1483
1484                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1485                 if (dimmed)
1486                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1487         }
1488
1489
1490         return dimmed;
1491 }
1492
1493 gboolean
1494 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1495 {
1496         ModestDimmingRule *rule = NULL;
1497         const DimmedState *state = NULL;
1498         gboolean dimmed = FALSE;
1499         GtkWidget *focused = NULL;
1500
1501         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1502         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1503         rule = MODEST_DIMMING_RULE (user_data);
1504         state = modest_window_get_dimming_state (win);
1505
1506         focused = gtk_window_get_focus (GTK_WINDOW (win));
1507
1508         if (!dimmed) {
1509                 dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1510         }
1511
1512         if (!dimmed) {
1513                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1514         }
1515
1516         if (!dimmed) {
1517                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1518                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1519
1520                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1521                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1522         }
1523
1524         return dimmed;
1525 }
1526
1527 gboolean
1528 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1529 {
1530         ModestDimmingRule *rule = NULL;
1531         const DimmedState *state = NULL;
1532         gboolean dimmed = FALSE;
1533
1534         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1535         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1536         rule = MODEST_DIMMING_RULE (user_data);
1537         state = modest_window_get_dimming_state (win);
1538
1539         if (!dimmed) {
1540                 TnyList *selected_attachments = NULL;
1541                 gint n_att_selected = 0;
1542                 GtkWidget *attachments_view;
1543                 attachments_view = modest_msg_edit_window_get_child_widget (
1544                         MODEST_MSG_EDIT_WINDOW (win),
1545                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1546
1547                 selected_attachments = modest_attachments_view_get_selection (
1548                         MODEST_ATTACHMENTS_VIEW (attachments_view));
1549                 n_att_selected = tny_list_get_length (selected_attachments);
1550                 g_object_unref (selected_attachments);
1551
1552                 dimmed = (n_att_selected != 1);
1553         }
1554
1555         return dimmed;
1556 }
1557
1558 gboolean
1559 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1560 {
1561         ModestDimmingRule *rule = NULL;
1562         const DimmedState *state = NULL;
1563         gboolean dimmed = FALSE;
1564
1565         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1566         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1567         rule = MODEST_DIMMING_RULE (user_data);
1568         state = modest_window_get_dimming_state (win);
1569
1570         if (!dimmed) {
1571                 GtkWidget *subject_field, *body_field;
1572                 GtkTextBuffer *body_buffer;
1573                 const gchar *subject = NULL;
1574                 body_field = modest_msg_edit_window_get_child_widget (
1575                         MODEST_MSG_EDIT_WINDOW (win),
1576                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1577                 subject_field = modest_msg_edit_window_get_child_widget (
1578                         MODEST_MSG_EDIT_WINDOW (win),
1579                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1580                 body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1581                 subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1582
1583                 dimmed = ((subject == NULL || subject[0] == '\0')
1584                           || (gtk_text_buffer_get_char_count(body_buffer) == 0));
1585                 if (dimmed)
1586                         modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_or_body_not_modified"));
1587         }
1588
1589         if (!dimmed) {
1590                 GtkWidget *to_field, *cc_field, *bcc_field;
1591                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1592                 cc_field = modest_msg_edit_window_get_child_widget (
1593                         MODEST_MSG_EDIT_WINDOW (win),
1594                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1595                 to_field = modest_msg_edit_window_get_child_widget (
1596                         MODEST_MSG_EDIT_WINDOW (win),
1597                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1598                 bcc_field = modest_msg_edit_window_get_child_widget (
1599                         MODEST_MSG_EDIT_WINDOW (win),
1600                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1601                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1602                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1603                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1604
1605                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1606                            gtk_text_buffer_get_char_count (cc_buffer) +
1607                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1608                 if (dimmed)
1609                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1610         }
1611
1612         return dimmed;
1613 }
1614
1615 gboolean
1616 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1617 {
1618         ModestDimmingRule *rule = NULL;
1619         gboolean dimmed = FALSE;
1620
1621         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1622         rule = MODEST_DIMMING_RULE (user_data);
1623
1624         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1625
1626         /* Check dimmed rule */
1627         if (!dimmed) {
1628                 dimmed = _transfer_mode_enabled (win);
1629                 if (dimmed)
1630                         modest_dimming_rule_set_notification (
1631                                         rule, _("mail_ib_notavailable_downloading"));
1632         }
1633         if (!dimmed) {
1634                 dimmed = modest_msg_view_window_first_message_selected (
1635                                 MODEST_MSG_VIEW_WINDOW(win));
1636                 modest_dimming_rule_set_notification (rule, NULL);
1637         }
1638
1639         return dimmed;
1640 }
1641
1642 gboolean
1643 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1644 {
1645         ModestDimmingRule *rule = NULL;
1646         gboolean dimmed = FALSE;
1647
1648         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1649         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1650         rule = MODEST_DIMMING_RULE (user_data);
1651
1652         /* Check dimmed rule */
1653         if (!dimmed) {
1654                 dimmed = _transfer_mode_enabled (win);
1655                 if (dimmed)
1656                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1657         }
1658         if (!dimmed) {
1659                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1660                 modest_dimming_rule_set_notification (rule, NULL);
1661         }
1662
1663         return dimmed;
1664 }
1665
1666
1667 gboolean
1668 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1669 {
1670         const gboolean dimmed =
1671                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1672                         TRUE);
1673
1674         return dimmed;
1675 }
1676
1677 gboolean
1678 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1679 {
1680         ModestDimmingRule *rule = NULL;
1681         TnyFolderType types[1];
1682         const DimmedState *state = NULL;
1683         gboolean dimmed = FALSE;
1684
1685         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1686         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1687         rule = MODEST_DIMMING_RULE (user_data);
1688         state = modest_window_get_dimming_state (win);
1689
1690         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1691
1692         /* Check dimmed rules */
1693         if (!dimmed) {
1694                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1695                 if (dimmed)
1696                         modest_dimming_rule_set_notification (rule, "");
1697         }
1698         if (!dimmed) {
1699                 dimmed = !_sending_in_progress (win);
1700                 if (dimmed)
1701                         modest_dimming_rule_set_notification (rule, "");
1702         }
1703
1704         return dimmed;
1705 }
1706
1707 gboolean
1708 modest_ui_dimming_rules_on_csm_cancel_sending (ModestWindow *win, gpointer user_data)
1709 {
1710         ModestDimmingRule *rule = NULL;
1711         TnyFolderType types[1];
1712         const DimmedState *state = NULL;
1713         gboolean dimmed = FALSE;
1714
1715         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1716         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1717         rule = MODEST_DIMMING_RULE (user_data);
1718         state = modest_window_get_dimming_state (win);
1719
1720         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1721
1722         /* Check dimmed rules */
1723         if (!dimmed) {
1724                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1725                 if (dimmed)
1726                         modest_dimming_rule_set_notification (rule, "");
1727         }
1728         if (!dimmed) {
1729                 dimmed = !_sending_in_progress (win);
1730                 if (dimmed)
1731                         modest_dimming_rule_set_notification (rule, "");
1732         }
1733
1734         return dimmed;
1735 }
1736
1737 gboolean
1738 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1739 {
1740         ModestDimmingRule *rule = NULL;
1741         gboolean dimmed = FALSE;
1742
1743         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1744         rule = MODEST_DIMMING_RULE (user_data);
1745
1746         /* Check dimmed rule */
1747         if (!dimmed) {
1748                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1749                                                           TRUE);
1750                 if (dimmed)
1751                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1752         }
1753
1754         return dimmed;
1755 }
1756
1757 gboolean
1758 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1759 {
1760         ModestDimmingRule *rule = NULL;
1761         gboolean dimmed = FALSE;
1762
1763         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1764         rule = MODEST_DIMMING_RULE (user_data);
1765
1766         /* Check dimmed rule */
1767         if (!dimmed) {
1768                 GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1769                 if (g_slist_length (account_names) <= 1)
1770                         dimmed = TRUE;
1771                 if (dimmed)
1772                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1773
1774                 modest_account_mgr_free_account_names (account_names);
1775         }
1776
1777         return dimmed;
1778 }
1779
1780 gboolean
1781 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1782 {
1783         ModestDimmingRule *rule = NULL;
1784         gboolean dimmed = FALSE;
1785         GtkWidget *focused = NULL;
1786
1787         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1788         rule = MODEST_DIMMING_RULE (user_data);
1789         focused = gtk_window_get_focus (GTK_WINDOW (win));
1790
1791         dimmed = !focused;
1792
1793         if (!dimmed) {
1794                 gchar *selection = NULL;
1795                 if (GTK_IS_TEXT_VIEW (focused)) {
1796                         GtkTextIter start, end;
1797                         GtkTextBuffer *buffer = NULL;
1798                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1799                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1800                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1801                         }
1802                 } else if (GTK_IS_LABEL (focused)) {
1803                         gint start, end;
1804                         if (gtk_label_get_selection_bounds (GTK_LABEL (focused), &start, &end)) {
1805                                 const gchar *start_offset;
1806                                 start_offset = gtk_label_get_text (GTK_LABEL (focused));
1807                                 start_offset = g_utf8_offset_to_pointer (start_offset, start);
1808                                 selection = g_new0 (gchar, end - start + 1);
1809                                 g_utf8_strncpy (selection, start_offset, end - start);
1810                         }
1811                 } else {
1812                         gboolean do_check = TRUE;
1813                         GtkClipboard *clipboard;
1814                         if (GTK_IS_HTML (focused)) {
1815                                 const gchar *sel;
1816                                 int len = -1;
1817                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1818                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
1819                         }
1820                         if (do_check) {
1821                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1822                                 selection = gtk_clipboard_wait_for_text (clipboard);
1823                         } else {
1824                                 selection = NULL;
1825                         }
1826                 }
1827                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1828         }
1829
1830         return dimmed;
1831 }
1832
1833 /* *********************** static utility functions ******************** */
1834
1835
1836 static gboolean
1837 _selected_folder_not_writeable (ModestMainWindow *win,
1838                                 gboolean for_paste)
1839 {
1840         GtkWidget *folder_view = NULL;
1841         TnyFolderStore *parent_folder = NULL;
1842         ModestEmailClipboard *clipboard = NULL;
1843         ModestTnyFolderRules rules;
1844         gboolean is_local_acc = FALSE;
1845         gboolean xfer_folders = FALSE;
1846         gboolean result = FALSE;
1847
1848         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1849
1850         /* Get folder view */
1851         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1852                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1853         /* If no folder view, always dimmed */
1854         if (!folder_view)
1855                 return TRUE;
1856
1857         /* Get selected folder as parent of new folder to create */
1858         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1859         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1860                 /* If it's the local account and its transfering folders, then do not dim */
1861                 if (TNY_IS_ACCOUNT (parent_folder)) {
1862                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
1863                         if (for_paste) {
1864                                 clipboard = modest_runtime_get_email_clipboard ();
1865                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
1866                         }
1867                 }
1868
1869                 if (for_paste)
1870                         result = !(is_local_acc && xfer_folders);
1871                 else
1872                         result = !is_local_acc;
1873                 goto frees;
1874         }
1875
1876         /* Check dimmed rule */
1877         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1878         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1879
1880         /* free */
1881  frees:
1882         if (parent_folder != NULL)
1883                 g_object_unref (parent_folder);
1884
1885         return result;
1886 }
1887
1888 static gboolean
1889 _selected_folder_not_deletable (ModestMainWindow *win)
1890 {
1891         GtkWidget *folder_view = NULL;
1892         TnyFolderStore *parent_folder = NULL;
1893         ModestTnyFolderRules rules;
1894         gboolean result = FALSE;
1895
1896         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1897
1898         /* Get folder view */
1899         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1900                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1901         /* If no folder view, always dimmed */
1902         if (!folder_view)
1903                 return TRUE;
1904
1905         /* Get selected folder as parent of new folder to create */
1906         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1907         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1908                 result = TRUE;
1909                 goto frees;
1910         }
1911
1912         /* Check dimmed rule */
1913         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1914         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
1915
1916         /* free */
1917  frees:
1918         if (parent_folder != NULL)
1919                 g_object_unref (parent_folder);
1920
1921         return result;
1922 }
1923
1924 static gboolean
1925 _selected_folder_not_moveable (ModestMainWindow *win)
1926 {
1927         GtkWidget *folder_view = NULL;
1928         TnyFolderStore *parent_folder = NULL;
1929         ModestTnyFolderRules rules;
1930         gboolean result = FALSE;
1931
1932         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1933
1934         /* Get folder view */
1935         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1936                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1937         /* If no folder view, always dimmed */
1938         if (!folder_view)
1939                 return TRUE;
1940
1941         /* Get selected folder as parent of new folder to create */
1942         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1943         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1944                 result = TRUE;
1945                 goto frees;
1946         }
1947
1948         /* Check dimmed rule */
1949         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1950         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1951
1952         /* free */
1953  frees:
1954         if (parent_folder != NULL)
1955                 g_object_unref (parent_folder);
1956
1957         return result;
1958 }
1959
1960 static gboolean
1961 _selected_folder_not_renameable (ModestMainWindow *win)
1962 {
1963         GtkWidget *folder_view = NULL;
1964         TnyFolderStore *parent_folder = NULL;
1965         ModestTnyFolderRules rules;
1966         gboolean result = FALSE;
1967
1968         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1969
1970         /* Get folder view */
1971         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1972                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1973         /* If no folder view, always dimmed */
1974         if (!folder_view)
1975                 return TRUE;
1976
1977         /* Get selected folder as parent of new folder to create */
1978         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1979         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1980                 result = TRUE;
1981                 goto frees;
1982         }
1983
1984         /* Check dimmed rule */
1985         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1986         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
1987
1988         /* free */
1989  frees:
1990         if (parent_folder != NULL)
1991                 g_object_unref (parent_folder);
1992
1993         return result;
1994 }
1995
1996 static gboolean
1997 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1998 {
1999         TnyFolderType types[2];
2000         gboolean result = FALSE;
2001
2002         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2003
2004         types[0] = TNY_FOLDER_TYPE_ROOT;
2005         types[1] = TNY_FOLDER_TYPE_INBOX;
2006
2007         /* Check folder type */
2008         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2009
2010         /* Check pop and MMC accounts */
2011         if (!result) {
2012                 result = _selected_folder_is_MMC_or_POP_root (win);
2013         }
2014
2015         return result;
2016 }
2017
2018
2019 static gboolean
2020 _selected_folder_is_root (ModestMainWindow *win)
2021 {
2022         TnyFolderType types[1];
2023         gboolean result = FALSE;
2024
2025         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2026
2027         /* All accounts are root items: */
2028         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2029                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2030         if (folder_view) {
2031                 gboolean is_account = FALSE;
2032                 TnyFolderStore *folder_store =
2033                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2034                 if (folder_store) {
2035                         is_account = TNY_IS_ACCOUNT (folder_store);
2036                         g_object_unref (folder_store);
2037                         folder_store = NULL;
2038                 }
2039
2040                 if (is_account)
2041                         return TRUE;
2042         }
2043
2044         /* Try something more precise: */
2045         types[0] = TNY_FOLDER_TYPE_ROOT;
2046
2047         /* Check folder type */
2048         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2049
2050         /* Check pop and MMC accounts */
2051         if (!result) {
2052                 result = _selected_folder_is_MMC_or_POP_root (win);
2053         }
2054
2055         return result;
2056 }
2057
2058 static gboolean
2059 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
2060 {
2061         GtkWidget *folder_view = NULL;
2062         TnyFolderStore *parent_folder = NULL;
2063         gboolean result = FALSE;
2064
2065         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2066                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2067         if (!folder_view)
2068                 return FALSE;
2069
2070         /* Get selected folder as parent of new folder to create */
2071         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2072         if (!parent_folder)
2073                 return TRUE;
2074
2075         if (TNY_IS_ACCOUNT (parent_folder)) {
2076                 /* If it's the local account then do not dim */
2077                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
2078                         result = FALSE;
2079                 } else {
2080                                 /* If it's the MMC root folder then dim it */
2081                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
2082                                         result = TRUE;
2083                         } else {
2084                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
2085                                 /* If it's POP then dim */
2086                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2087                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
2088                         }
2089                 }
2090         }
2091         g_object_unref (parent_folder);
2092
2093         return result;
2094 }
2095
2096 static gboolean
2097 _header_view_is_all_selected (ModestMainWindow *win)
2098 {
2099         const DimmedState *state = NULL;
2100
2101         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2102
2103         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2104
2105         return state->all_selected;
2106 }
2107
2108 static gboolean
2109 _selected_folder_is_empty (ModestMainWindow *win)
2110 {
2111         GtkWidget *folder_view = NULL;
2112         TnyFolderStore *folder = NULL;
2113         gboolean result = FALSE;
2114
2115         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2116
2117         /* Get folder view */
2118         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2119                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2120         /* If no folder view, always dimmed */
2121         if (!folder_view)
2122                 return TRUE;
2123
2124         /* Get selected folder as parent of new folder to create */
2125         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2126         if (!(folder && TNY_IS_FOLDER(folder))) {
2127                 if (folder)
2128                         g_object_unref (folder);
2129                 return TRUE;
2130         }
2131
2132         /* Check folder type */
2133         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
2134
2135         /* free */
2136         g_object_unref (folder);
2137
2138         return result;
2139 }
2140
2141 static gboolean
2142 _folder_view_has_focus (ModestWindow *win)
2143 {
2144         GtkWidget *folder_view = NULL;
2145
2146         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2147
2148         /* Get folder view */
2149         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2150                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2151         if (!folder_view)
2152                 return FALSE;
2153
2154         if (gtk_widget_is_focus(folder_view))
2155                 return TRUE;
2156
2157         return FALSE;
2158 }
2159
2160 static gboolean
2161 _selected_folder_is_same_as_source (ModestWindow *win)
2162 {
2163         ModestEmailClipboard *clipboard = NULL;
2164         GtkWidget *folder_view = NULL;
2165         TnyFolderStore *folder = NULL;
2166         gboolean result = FALSE;
2167
2168         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2169
2170         /* Get folder view */
2171         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2172                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2173         if (!folder_view)
2174                 return FALSE;
2175
2176         /* Get selected folder as destination folder */
2177         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2178         if (!(folder && TNY_IS_FOLDER(folder))) {
2179                 result = FALSE;
2180                 goto frees;
2181         }
2182
2183         /* Check clipboard is cleared */
2184         clipboard = modest_runtime_get_email_clipboard ();
2185         if (modest_email_clipboard_cleared (clipboard)) {
2186                 result = FALSE;
2187                 goto frees;
2188         }
2189
2190         /* Check source folder */
2191         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2192
2193         /* Free */
2194  frees:
2195         g_object_unref (folder);
2196
2197         return result;
2198 }
2199
2200 static gboolean
2201 _selected_folder_is_any_of_type (ModestWindow *win,
2202                                  TnyFolderType types[],
2203                                  guint ntypes)
2204 {
2205         GtkWidget *folder_view = NULL;
2206         TnyFolderStore *folder = NULL;
2207         TnyFolderType folder_type;
2208         guint i=0;
2209         gboolean result = FALSE;
2210
2211         /*Get current folder */
2212         if (MODEST_IS_MAIN_WINDOW(win)) {
2213
2214                 /* Get folder view */
2215                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2216                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2217                 /* If no folder view, always dimmed */
2218                 if (!folder_view)
2219                         return FALSE;
2220
2221                 /* Get selected folder as parent of new folder to create */
2222                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2223
2224                 if (!(folder && TNY_IS_FOLDER(folder))) {
2225                         if (folder)
2226                                 g_object_unref (folder);
2227                         return FALSE;
2228                 }
2229
2230                 /* Check folder type */
2231                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2232         }
2233         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2234                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2235                 for (i=0; i < ntypes; i++) {
2236                         result = result || folder_type == types[i];
2237                 }
2238         }
2239
2240
2241         /* free */
2242         g_object_unref (folder);
2243
2244         return result;
2245 }
2246
2247 static gboolean
2248 _folder_is_any_of_type (TnyFolder *folder,
2249                         TnyFolderType types[],
2250                         guint ntypes)
2251 {
2252         TnyFolderType folder_type;
2253         gboolean result = FALSE;
2254         guint i;
2255
2256         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2257
2258         /* Get folder type */
2259         folder_type = modest_tny_folder_guess_folder_type (folder);
2260         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2261                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2262
2263         /* Check foler type */
2264         for (i=0; i < ntypes; i++) {
2265                 result = result || folder_type == types[i];
2266         }
2267
2268         return result;
2269 }
2270
2271 static gboolean
2272 _clipboard_is_empty (ModestWindow *win)
2273 {
2274         gboolean result = FALSE;
2275
2276         if (MODEST_IS_MAIN_WINDOW (win)) {
2277                 ModestEmailClipboard *clipboard = NULL;
2278                 clipboard = modest_runtime_get_email_clipboard ();
2279                 if (modest_email_clipboard_cleared (clipboard))
2280                  result = TRUE;
2281         }
2282
2283         return result;
2284 }
2285
2286 static gboolean
2287 _invalid_clipboard_selected (ModestWindow *win,
2288                              ModestDimmingRule *rule)
2289 {
2290         const DimmedState *state = NULL;
2291         gboolean result = FALSE;
2292         GtkWidget *focused = NULL;
2293
2294         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2295         state = modest_window_get_dimming_state (win);
2296         /* Get focuesed widget */
2297         focused = gtk_window_get_focus (GTK_WINDOW (win));
2298
2299         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2300                 gboolean has_selection = FALSE;
2301                 if (GTK_IS_TEXT_VIEW (focused)) {
2302                         GtkTextBuffer *buffer = NULL;
2303                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2304                         has_selection = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
2305                 } else if (GTK_IS_EDITABLE (focused)) {
2306                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2307                 }
2308                 result = !has_selection;
2309         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2310                 if (focused) {
2311                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2312                         if (GTK_IS_LABEL (focused) &&
2313                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2314                                 result = TRUE;
2315                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2316                                 GtkTextBuffer *buffer;
2317                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2318                                 result = !gtk_text_buffer_get_has_selection (buffer);
2319                         } else if (GTK_IS_HTML (focused)) {
2320                                 const gchar *sel;
2321                                 int len = -1;
2322                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2323                                 result = ((sel == NULL) || (sel[0] == '\0'));
2324                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2325                                 result = TRUE;
2326                         } else {
2327                                 GtkClipboard *clipboard;
2328                                 gchar *selection;
2329
2330                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2331                                 /* Get clipboard selection*/
2332                                 selection = gtk_clipboard_wait_for_text (clipboard);
2333                                 /* Check dimming */
2334                                 result = (selection == NULL);
2335                                 g_free (selection);
2336                         }
2337                 } else {
2338                         result = TRUE;
2339                 }
2340
2341                 if (result)
2342                         modest_dimming_rule_set_notification (rule, "");
2343
2344         }
2345         else if (MODEST_IS_MAIN_WINDOW (win)) {
2346                 /* Check dimming */
2347                 result = state->n_selected == 0;
2348                 if (result)
2349                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2350         }
2351
2352         return result;
2353 }
2354
2355
2356 static gboolean
2357 _invalid_attach_selected (ModestWindow *win,
2358                           gboolean unique,
2359                           gboolean for_view,
2360                           gboolean for_remove,
2361                           ModestDimmingRule *rule)
2362 {
2363         TnyList *attachments;
2364         gint n_selected;
2365         TnyHeaderFlags flags;
2366         gboolean nested_attachments = FALSE;
2367         gboolean selected_messages = FALSE;
2368         const DimmedState *state = NULL;
2369         gboolean result = FALSE;
2370
2371         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2372         state = modest_window_get_dimming_state (win);
2373
2374         if (MODEST_IS_MAIN_WINDOW (win)) {
2375                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2376                 if (!result)
2377                         result = !state->any_has_attachments;
2378         }
2379         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2380
2381                 /* Get selected atachments */
2382                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2383                 n_selected = tny_list_get_length (attachments);
2384
2385                 /* Check unique */
2386                 if (!result) {
2387                         if (unique)
2388                                 result = n_selected != 1;
2389                         else
2390
2391                                 result = n_selected < 1;
2392                 }
2393
2394                 /* Check attached type (view operation not required) */
2395                 if (!result && !for_view)  {
2396                         TnyIterator *iter;
2397                         iter = tny_list_create_iterator (attachments);
2398                         while (!tny_iterator_is_done (iter) && !result) {
2399                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2400                                 TnyList *nested_list = tny_simple_list_new ();
2401                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
2402                                         selected_messages = TRUE;
2403                                         result = TRUE;
2404                                 }
2405                                 tny_mime_part_get_parts (mime_part, nested_list);
2406                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2407                                         nested_attachments = TRUE;
2408                                         result = TRUE;
2409                                 }
2410                                 g_object_unref (nested_list);
2411                                 g_object_unref (mime_part);
2412                                 tny_iterator_next (iter);
2413                         }
2414                         g_object_unref (iter);
2415                 }
2416
2417                 /* Set notifications */
2418                 if (result && rule != NULL) {
2419                         if (selected_messages) {
2420                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2421                         } else if (nested_attachments) {
2422                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2423                         } else if (n_selected == 0) {
2424                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2425                         } else if (unique) {
2426                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2427                         }
2428                 }
2429
2430                 /* Free */
2431                 g_object_unref (attachments);
2432         }
2433
2434         return result;
2435 }
2436
2437 static gboolean
2438 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2439 {
2440         TnyList *attachments = NULL;
2441         TnyIterator *iter;
2442         gint purged = 0;
2443         gint n_attachments = 0;
2444         gboolean result = FALSE;
2445
2446         /* This should check if _all_ the attachments are already purged. If only some
2447          * of them are purged, then it does not cause dim as there's a confirmation dialog
2448          * for removing only local attachments */
2449
2450         /* Get selected atachments */
2451         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2452                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2453         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2454                 /* If we're in main window, we won't know if there are already purged attachments */
2455                 return FALSE;
2456         }
2457
2458         if (attachments == NULL)
2459                 return FALSE;
2460
2461         if (tny_list_get_length (attachments)) {
2462                 g_object_unref (attachments);
2463                 return FALSE;
2464         }
2465
2466         iter = tny_list_create_iterator (attachments);
2467         while (!tny_iterator_is_done (iter)) {
2468                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2469                 if (tny_mime_part_is_purged (mime_part)) {
2470                         purged++;
2471                 }
2472                 n_attachments++;
2473                 g_object_unref (mime_part);
2474                 tny_iterator_next (iter);
2475         }
2476         g_object_unref (iter);
2477
2478         /* Free */
2479         g_object_unref (attachments);
2480
2481         if (all)
2482                 result = (purged == n_attachments);
2483         else
2484                 result = (purged > 0);
2485
2486         /* This string no longer exists, refer to NB#75415 for more info
2487         if (result && (rule != NULL))
2488                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2489         */
2490
2491         return result;
2492 }
2493
2494 static gboolean
2495 _invalid_msg_selected (ModestMainWindow *win,
2496                        gboolean unique,
2497                        ModestDimmingRule *rule)
2498 {
2499         GtkWidget *folder_view = NULL;
2500         const DimmedState *state = NULL;
2501         gboolean result = FALSE;
2502
2503         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2504         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2505         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2506
2507         /* Get folder view to check focus */
2508         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2509                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2510
2511         /* Check dimmed rule (TODO: check focus on widgets */
2512         if (!result) {
2513                 result = ((state->n_selected == 0 ) ||
2514                           (gtk_widget_is_focus (folder_view)));
2515                 if (result)
2516                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2517         }
2518         if (!result && unique) {
2519                 result = state->n_selected > 1;
2520                 if (result)
2521                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2522         }
2523
2524         return result;
2525 }
2526
2527
2528 static gboolean
2529 _msg_download_in_progress (ModestWindow *win)
2530 {
2531         gboolean result = FALSE;
2532
2533         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2534
2535         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2536                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2537         }
2538         else if (MODEST_IS_MAIN_WINDOW (win)) {
2539                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2540         }
2541
2542         return result;
2543 }
2544
2545 static gboolean
2546 _msg_download_completed (ModestMainWindow *win)
2547 {
2548         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2549         return state->any_marked_as_cached;
2550 }
2551
2552 static void
2553 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2554 {
2555         GSList **send_queues = (GSList **) userdata;
2556         *send_queues = g_slist_prepend (*send_queues, value);
2557 }
2558
2559 static gboolean
2560 _selected_msg_sent_in_progress (ModestWindow *win)
2561 {
2562         const DimmedState *state = modest_window_get_dimming_state (win);
2563         return state->sent_in_progress;
2564 }
2565
2566
2567 static gboolean
2568 _sending_in_progress (ModestWindow *win)
2569 {
2570         GHashTable *send_queue_cache = NULL;
2571         ModestCacheMgr *cache_mgr = NULL;
2572         ModestTnySendQueue *send_queue = NULL;
2573         GSList *send_queues = NULL, *node = NULL;
2574         gboolean result = FALSE;
2575
2576         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2577
2578         /* Get send queue */
2579         cache_mgr = modest_runtime_get_cache_mgr ();
2580         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2581                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2582
2583         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2584
2585         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
2586                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2587
2588                 /* Check if send operation is in progress */
2589                 result = modest_tny_send_queue_sending_in_progress (send_queue);
2590         }
2591
2592         return result;
2593 }
2594
2595 static gboolean
2596 _invalid_folder_for_purge (ModestWindow *win,
2597                            ModestDimmingRule *rule)
2598 {
2599         TnyFolder *folder = NULL;
2600         TnyAccount *account = NULL;
2601         gboolean result = FALSE;
2602
2603         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2604
2605                 /* Get folder and account of message */
2606                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2607                 g_return_val_if_fail(msg != NULL, TRUE);
2608                 folder = tny_msg_get_folder (msg);
2609                 g_object_unref (msg);
2610                 if (folder == NULL) {
2611                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2612                         goto frees;
2613                 }
2614         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2615                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2616                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2617                 if (!folder_view)
2618                         return FALSE;
2619                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
2620                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2621                         goto frees;
2622         } else {
2623                 g_return_val_if_reached (FALSE);
2624         }
2625         account = modest_tny_folder_get_account (folder);
2626         if (account == NULL) goto frees;
2627
2628         /* Check account */
2629         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2630                 TnyFolderType types[2];
2631                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2632                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2633
2634                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2635                         result = TRUE;
2636                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2637                 } else {
2638                         result = FALSE;
2639                 }
2640         } else {
2641                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2642                 /* If it's POP then dim */
2643                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2644                     MODEST_PROTOCOL_STORE_POP) {
2645                         TnyList *attachments = NULL;
2646                         gint n_selected = 0;
2647                         result = TRUE;
2648
2649                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2650                          * murrayc */
2651                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2652                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2653                                 n_selected = tny_list_get_length (attachments);
2654                                 g_object_unref (attachments);
2655                         }
2656
2657                         modest_dimming_rule_set_notification (rule,
2658                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2659                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2660                                                                         n_selected));
2661                 }
2662         }
2663
2664 frees:
2665         if (folder != NULL)
2666                 g_object_unref (folder);
2667         if (account != NULL)
2668                 g_object_unref (account);
2669
2670         return result;
2671 }
2672
2673 static gboolean
2674 _transfer_mode_enabled (ModestWindow *win)
2675 {
2676         gboolean result = FALSE;
2677
2678         /* Check dimming */
2679         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2680                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2681         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2682                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2683         } else {
2684                 g_warning("_transfer_mode_enabled called with wrong window type");
2685         }
2686
2687         return result;
2688 }
2689
2690 static gboolean
2691 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2692 {
2693         GtkWidget *folder_view = NULL;
2694         TnyFolderStore *folder = NULL;
2695         ModestEmailClipboard *clipboard = NULL;
2696         const gchar *folder_name = NULL;
2697         gboolean result = FALSE;
2698
2699         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2700
2701         /*Get current parent folder */
2702         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2703                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2704         /* If no folder view, always dimmed */
2705         if (!folder_view) return FALSE;
2706
2707         /* Get selected folder as parent of new folder to create */
2708         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2709         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2710
2711         /* get modest clipboard and source folder */
2712         clipboard = modest_runtime_get_email_clipboard ();
2713         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2714         if (folder_name == NULL) goto frees;
2715
2716         /* Check source subfolders names */
2717         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2718                                                             TRUE);
2719
2720         /* Free */
2721  frees:
2722         if (folder != NULL)
2723                 g_object_unref (folder);
2724
2725
2726         return result;
2727 }
2728
2729 gboolean
2730 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2731                                            gpointer user_data)
2732 {
2733         ModestDimmingRule *rule = NULL;
2734         gboolean dimmed = FALSE;
2735
2736         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2737         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2738         rule = MODEST_DIMMING_RULE (user_data);
2739
2740         /* Check dimmed rule */
2741         if (!dimmed) {
2742                 dimmed = !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2743         }
2744
2745         return dimmed;
2746 }
2747
2748 gboolean
2749 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2750                                          gpointer user_data)
2751 {
2752         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2753
2754         ModestMsgEditFormat format =
2755           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2756
2757         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2758 }