git.maemo.org Git - modest/blob - src/modest-ui-dimming-rules.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43 #include <widgets/modest-recpt-editor.h>
  44
  45
  46 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  47 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  48 static gboolean _invalid_attach_selected (ModestWindow *win,
  49                                           gboolean unique, gboolean for_view, gboolean for_remove,
  50                                           ModestDimmingRule *rule);
  51 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  52 static gboolean _clipboard_is_empty (ModestWindow *win);
  53 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  54 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  55 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  56 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  57 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  59 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  61 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  62 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  63 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  64 static gboolean _folder_view_has_focus (ModestWindow *win);
  65 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  66 static gboolean _msg_download_in_progress (ModestWindow *win);
  67 static gboolean _msg_download_completed (ModestMainWindow *win);
  68 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  69 static gboolean _sending_in_progress (ModestWindow *win);
  70 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  71 static gboolean _transfer_mode_enabled (ModestWindow *win);
  72 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  73 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  74
  75
  76 static DimmedState *
  77 _define_main_window_dimming_state (ModestMainWindow *window)
  78 {
  79         DimmedState *state = NULL;
  80         GtkWidget *focused_widget = NULL;
  81         GtkWidget *header_view = NULL;
  82         GtkTreeModel *model = NULL;
  83         TnyList *selected_headers = NULL;
  84         TnyIterator *iter = NULL;
  85         TnyHeader *header = NULL;
  86         ModestCacheMgr *cache_mgr = NULL;
  87         GHashTable *send_queue_cache = NULL;
  88         ModestTnySendQueue *send_queue = NULL;
  89         GSList *send_queues = NULL, *node = NULL;
  90         ModestWindowMgr *mgr = NULL;
  91         gboolean found = FALSE;
  92         gchar *msg_uid = NULL;
  93         TnyHeaderFlags flags;
  94         gboolean all_deleted = TRUE;
  95         gboolean all_seen = TRUE;
  96         gboolean all_cached = TRUE;
  97         gboolean all_has_attach = TRUE;
  98
  99         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 100
 101         /* Init state */
 102         state = g_slice_new0 (DimmedState);
 103         state->n_selected = 0;
 104         state->already_opened_msg = 0;
 105         state->any_marked_as_deleted = FALSE;
 106         state->all_marked_as_deleted = FALSE;
 107         state->any_marked_as_seen = FALSE;
 108         state->all_marked_as_seen = FALSE;
 109         state->any_marked_as_cached = FALSE;
 110         state->all_marked_as_cached = FALSE;
 111         state->any_has_attachments = FALSE;
 112         state->all_has_attachments = FALSE;
 113         state->sent_in_progress = FALSE;
 114         state->all_selected = FALSE;
 115
 116         /* Get focused widget */
 117         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 118         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 119                 state->n_selected++;
 120                 return state;
 121         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 122                 header_view = focused_widget;
 123         } else {
 124                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 125         }
 126
 127         /* Get header view and selected headers */
 128         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 129         if (!selected_headers)
 130                 return state;
 131
 132         /* Examine selected headers */
 133         iter = tny_list_create_iterator (selected_headers);
 134         while (!tny_iterator_is_done (iter)) {
 135                 header = TNY_HEADER (tny_iterator_get_current (iter));
 136                 flags = tny_header_get_flags (header);
 137
 138                 /* No selected */
 139                 state->n_selected++;
 140
 141                 /* Already opened */
 142                 mgr = modest_runtime_get_window_mgr ();
 143                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 144                         state->already_opened_msg++;
 145
 146
 147                 /* Mark as deleted */
 148                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 149                 state->all_marked_as_deleted = all_deleted;
 150                 if (!state->any_marked_as_deleted)
 151                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 152
 153                 /* Mark as seen */
 154                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 155                 state->all_marked_as_seen = all_seen;
 156                 if (!state->any_marked_as_seen)
 157                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 158
 159                 /* Mark as cached */
 160                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 161                 state->all_marked_as_cached = all_cached;
 162                 if (!state->any_marked_as_cached)
 163                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 164
 165                 /* Mark has_attachments */
 166                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 167                 state->all_has_attachments = all_has_attach;
 168                 if (!state->any_has_attachments)
 169                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 170
 171                 /* sent in progress */
 172                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 173                 if (!state->sent_in_progress) {
 174                         cache_mgr = modest_runtime_get_cache_mgr ();
 175                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 176                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 177
 178                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 179
 180                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 181                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 182
 183                                 /* Check if msg uid is being processed inside send queue */
 184                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 185                         }
 186                         state->sent_in_progress = found;
 187                 }
 188
 189                 tny_iterator_next (iter);
 190                 g_object_unref (header);
 191         }
 192
 193         /* check if all the headers are selected or not */
 194         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 195         if (model != NULL){
 196                 gint count;
 197                 count = gtk_tree_model_iter_n_children(model, NULL);
 198                 if(state->n_selected == count)
 199                         state->all_selected = TRUE;
 200         }
 201
 202         /* Free */
 203         g_free(msg_uid);
 204         g_object_unref(selected_headers);
 205         g_object_unref(iter);
 206         g_slist_free (send_queues);
 207
 208         return state;
 209 }
 210
 211 static DimmedState *
 212 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 213 {
 214         DimmedState *state = NULL;
 215         TnyHeader *header = NULL;
 216         ModestCacheMgr *cache_mgr = NULL;
 217         GHashTable *send_queue_cache = NULL;
 218         ModestTnySendQueue *send_queue = NULL;
 219         GSList *send_queues = NULL, *node = NULL;
 220         gboolean found = FALSE;
 221         gchar *msg_uid = NULL;
 222         TnyHeaderFlags flags;
 223         gboolean all_deleted = TRUE;
 224         gboolean all_seen = TRUE;
 225         gboolean all_cached = TRUE;
 226         gboolean all_has_attach = TRUE;
 227
 228         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 229
 230         /* Init state */
 231         state = g_slice_new0 (DimmedState);
 232         state->n_selected = 0;
 233         state->already_opened_msg = 0;
 234         state->any_marked_as_deleted = FALSE;
 235         state->all_marked_as_deleted = FALSE;
 236         state->any_marked_as_seen = FALSE;
 237         state->all_marked_as_seen = FALSE;
 238         state->any_marked_as_cached = FALSE;
 239         state->all_marked_as_cached = FALSE;
 240         state->any_has_attachments = FALSE;
 241         state->all_has_attachments = FALSE;
 242         state->sent_in_progress = FALSE;
 243
 244         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 245         if (header == NULL)
 246                 return state;
 247         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 248         flags = tny_header_get_flags (header);
 249
 250         /* Selected */
 251         state->n_selected++;
 252
 253         /* Mark as deleted */
 254         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 255         state->all_marked_as_deleted = all_deleted;
 256         if (!state->any_marked_as_deleted)
 257                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 258
 259         /* Mark as seen */
 260         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 261         state->all_marked_as_seen = all_seen;
 262         if (!state->any_marked_as_seen)
 263                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 264
 265         /* Mark as cached */
 266         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 267         state->all_marked_as_cached = all_cached;
 268         if (!state->any_marked_as_cached)
 269                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 270
 271         /* Mark has_attachments */
 272         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 273         state->all_has_attachments = all_has_attach;
 274         if (!state->any_has_attachments)
 275                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 276
 277         /* sent in progress */
 278         msg_uid = modest_tny_send_queue_get_msg_id (header);
 279         if (!state->sent_in_progress) {
 280                 cache_mgr = modest_runtime_get_cache_mgr ();
 281                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 282                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 283
 284                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 285
 286                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 287                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 288
 289                         /* Check if msg uid is being processed inside send queue */
 290                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 291                 }
 292                 state->sent_in_progress = found;
 293         }
 294
 295         /* Free */
 296         g_free(msg_uid);
 297         g_object_unref (header);
 298         g_slist_free (send_queues);
 299
 300         return state;
 301 }
 302
 303
 304 DimmedState *
 305 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 306 {
 307         DimmedState *state = NULL;
 308
 309         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 310
 311         if (MODEST_IS_MAIN_WINDOW (window))
 312                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 313         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 314                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 315         }
 316
 317         return state;
 318 }
 319
 320
 321 gboolean
 322 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 323 {
 324         ModestDimmingRule *rule = NULL;
 325         gboolean dimmed = FALSE;
 326
 327         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 328         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 329         rule = MODEST_DIMMING_RULE (user_data);
 330
 331         /* Check dimmed rule */
 332         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 333                 if (!dimmed) {
 334                         dimmed = _msg_download_in_progress (win);
 335                         if (dimmed)
 336                                 modest_dimming_rule_set_notification (rule, "");
 337                 }
 338         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 339                 if (!dimmed) {
 340                         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 341                                                                   TRUE);
 342                         if (dimmed)
 343                                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 344                 }
 345         }
 346
 347         return dimmed;
 348 }
 349
 350 gboolean
 351 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 352 {
 353         ModestDimmingRule *rule = NULL;
 354         GtkWidget *folder_view = NULL;
 355         TnyFolderStore *parent_folder = NULL;
 356         gboolean dimmed = FALSE;
 357
 358         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 359         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 360         rule = MODEST_DIMMING_RULE (user_data);
 361
 362         if (!dimmed) {
 363                 dimmed = _transfer_mode_enabled (win);
 364                 if (dimmed) {
 365                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 366                         return dimmed;
 367                 }
 368         }
 369
 370         /* Get selected folder as parent of new folder to create */
 371         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 372                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 373         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 374         if (!parent_folder)
 375                 return TRUE;
 376
 377         if (TNY_IS_ACCOUNT (parent_folder)) {
 378                 /* If it's the local account then do not dim */
 379                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 380                         dimmed = FALSE;
 381                 } else {
 382                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 383                         if (proto_str != NULL) {
 384                                 /* If it's POP then dim */
 385                                 dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 386                                           MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 387                                 if (dimmed)
 388                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 389                         }
 390                 }
 391         } else {
 392                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 393
 394                 TnyFolderType types[3];
 395
 396                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 397                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 398                 types[2] = TNY_FOLDER_TYPE_SENT;
 399
 400                 /* Apply folder rules */
 401                 if (!dimmed) {
 402                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 403                         if (dimmed)
 404                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 405                 }
 406                 if (!dimmed) {
 407                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 408                         if (dimmed)
 409                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 410                 }
 411         }
 412
 413         /* if not the folder is selected then dim */
 414         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 415                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 416         if (folder_view && !gtk_widget_is_focus (folder_view))
 417                 dimmed = TRUE;
 418
 419         g_object_unref (parent_folder);
 420
 421         return dimmed;
 422 }
 423
 424 gboolean
 425 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 426 {
 427         ModestDimmingRule *rule = NULL;
 428         GtkWidget *folder_view = NULL;
 429         GtkWidget *header_view = NULL;
 430         gboolean dimmed = FALSE;
 431
 432         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 433         rule = MODEST_DIMMING_RULE (user_data);
 434
 435         if (MODEST_IS_MAIN_WINDOW (win)) {
 436                 /* Get the folder view */
 437                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 438                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 439
 440                 /* Get header view */
 441                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 442                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 443
 444                 if (header_view && gtk_widget_is_focus (header_view))
 445                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 446
 447                 if (folder_view && gtk_widget_is_focus (folder_view))
 448                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 449
 450                 if (header_view && folder_view &&
 451                     !gtk_widget_is_focus (header_view) &&
 452                     !gtk_widget_is_focus (folder_view)) {
 453                         dimmed = TRUE;
 454                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 455                 }
 456         } else {
 457                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 458         }
 459
 460         return dimmed;
 461 }
 462
 463
 464
 465 gboolean
 466 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 467 {
 468         ModestDimmingRule *rule = NULL;
 469         TnyFolderType types[6];
 470         gboolean dimmed = FALSE;
 471
 472         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 473         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 474         rule = MODEST_DIMMING_RULE (user_data);
 475
 476         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 477         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 478         types[2] = TNY_FOLDER_TYPE_SENT;
 479         types[3] = TNY_FOLDER_TYPE_INBOX;
 480         types[4] = TNY_FOLDER_TYPE_ROOT;
 481         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 482
 483
 484         /* Check dimmed rule */
 485         if (!dimmed) {
 486                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 487                 if (dimmed)
 488                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 489         }
 490         if (!dimmed) {
 491                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 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_root_or_inbox (MODEST_MAIN_WINDOW(win));
 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_MMC_or_POP_root (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 = _transfer_mode_enabled (win);
 507                 if (dimmed)
 508                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 509         }
 510
 511         return dimmed;
 512 }
 513
 514 gboolean
 515 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 516 {
 517         ModestDimmingRule *rule = NULL;
 518         gboolean dimmed = FALSE;
 519
 520         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 521         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 522         rule = MODEST_DIMMING_RULE (user_data);
 523
 524         /* Check dimmed rule */
 525         if (!dimmed) {
 526                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 527                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 528         }
 529
 530         if (!dimmed) {
 531                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 532                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 533         }
 534
 535         return dimmed;
 536
 537 }
 538
 539 gboolean
 540 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 541 {
 542         ModestDimmingRule *rule = NULL;
 543         TnyFolderType types[4];
 544         gboolean dimmed = FALSE;
 545
 546         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 547         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 548         rule = MODEST_DIMMING_RULE (user_data);
 549
 550         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 551         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 552         types[2] = TNY_FOLDER_TYPE_SENT;
 553         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 554
 555         /* Check dimmed rule */
 556         if (!dimmed) {
 557                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 558                 if (dimmed)
 559                         modest_dimming_rule_set_notification (rule, "");
 560         }
 561         if (!dimmed) {
 562                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 563                 if (dimmed)
 564                         modest_dimming_rule_set_notification (rule, "");
 565         }
 566         if (!dimmed) {
 567                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 568                 if (dimmed)
 569                         modest_dimming_rule_set_notification (rule, "");
 570         }
 571         if (!dimmed) {
 572                 dimmed = _transfer_mode_enabled (win);
 573                 if (dimmed)
 574                         modest_dimming_rule_set_notification (rule, "");
 575         }
 576
 577         return dimmed;
 578 }
 579
 580 gboolean
 581 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 582 {
 583         ModestDimmingRule *rule = NULL;
 584         gboolean dimmed = FALSE;
 585         const DimmedState *state = NULL;
 586
 587         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 588         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 589         rule = MODEST_DIMMING_RULE (user_data);
 590         state = modest_window_get_dimming_state (win);
 591
 592         /* Check dimmed rule */
 593         if (!dimmed) {
 594                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 595         }
 596         if (!dimmed) {
 597                 dimmed = state->any_marked_as_deleted;
 598                 if (dimmed)
 599                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 600         }
 601         if (!dimmed) {
 602                 dimmed = _selected_msg_sent_in_progress (win);
 603                 if (dimmed)
 604                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 605         }
 606
 607         return dimmed;
 608 }
 609
 610 gboolean
 611 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 612 {
 613         ModestDimmingRule *rule = NULL;
 614         gboolean dimmed = FALSE;
 615         TnyFolderType types[3];
 616
 617         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 618         rule = MODEST_DIMMING_RULE (user_data);
 619
 620         /* main window dimming rules */
 621         if (MODEST_IS_MAIN_WINDOW(win)) {
 622
 623                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 624                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 625                 types[2] = TNY_FOLDER_TYPE_ROOT;
 626
 627                 /* Check dimmed rule */
 628                 if (!dimmed) {
 629                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 630                         if (dimmed)
 631                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 632                 }
 633                 if (!dimmed) {
 634                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 635                         if (dimmed)
 636                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 637                 }
 638                 if (!dimmed) {
 639                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 640                 }
 641         /* msg view window dimming rules */
 642         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 643
 644                 /* Check dimmed rule */
 645                 if (!dimmed) {
 646                         dimmed = _transfer_mode_enabled (win);
 647                         if (dimmed)
 648                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 649                 }
 650                 if (!dimmed) {
 651                         dimmed = _msg_download_in_progress (win);
 652                         if (dimmed)
 653                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 654                 }
 655         }
 656
 657         return dimmed;
 658 }
 659
 660
 661 gboolean
 662 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 663 {
 664         ModestDimmingRule *rule = NULL;
 665         gboolean dimmed = FALSE;
 666
 667         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 668         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 669         rule = MODEST_DIMMING_RULE (user_data);
 670
 671         /* Check dimmed rule */
 672         if (!dimmed) {
 673                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 674         }
 675         if (!dimmed) {
 676                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 677                 if (dimmed)
 678                         modest_dimming_rule_set_notification (rule, "");
 679         }
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 686 {
 687         gboolean dimmed = FALSE;
 688
 689         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 690
 691         /* Check dimmed rule */
 692         if (!dimmed)
 693                 dimmed = TRUE;
 694
 695         return dimmed;
 696 }
 697
 698 gboolean
 699 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 700 {
 701         ModestDimmingRule *rule = NULL;
 702         const DimmedState *state = NULL;
 703         gboolean dimmed = FALSE;
 704
 705         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 706         rule = MODEST_DIMMING_RULE (user_data);
 707         state = modest_window_get_dimming_state (win);
 708
 709         /* Check dimmed rule */
 710         if (MODEST_IS_MAIN_WINDOW (win)) {
 711                 if (!dimmed) {
 712                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 713                         if (dimmed)
 714                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 715                 }
 716                 if (!dimmed) {
 717                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 718                 }
 719                 if (!dimmed) {
 720                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 721                         if (dimmed) {
 722                                 gchar *num = NULL, *message = NULL;
 723
 724                                 num = g_strdup_printf ("%d", state->already_opened_msg);
 725                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 726                                 modest_dimming_rule_set_notification (rule, message);
 727                                 g_free(num);
 728                                 g_free(message);
 729                         }
 730
 731                 }
 732                 if (!dimmed) {
 733                         dimmed = state->any_marked_as_deleted;
 734                         if (dimmed) {
 735                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 736                         }
 737                 }
 738                 if (!dimmed) {
 739                         dimmed = state->sent_in_progress;
 740                         if (dimmed)
 741                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 742                 }
 743         }
 744         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 745                 if (!dimmed) {
 746                         dimmed = _transfer_mode_enabled (win);
 747                         if (dimmed)
 748                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 749                 }
 750                 if (!dimmed) {
 751                         dimmed = state->any_marked_as_deleted;
 752                         if (dimmed)
 753                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 754                 }
 755                 if (!dimmed) {
 756                         dimmed = state->sent_in_progress;
 757                         if (dimmed)
 758                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 759                 }
 760
 761                 /* The delete button should be dimmed when viewing an attachment,
 762                  * but should be enabled when viewing a message from the list,
 763                  * or when viewing a search result.
 764                  */
 765                 if (!dimmed) {
 766                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 767                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 768                                 if (dimmed) {
 769                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 770                                 }
 771                         }
 772                 }
 773         }
 774
 775         return dimmed;
 776 }
 777
 778 gboolean
 779 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 780 {
 781         ModestDimmingRule *rule = NULL;
 782         GtkWidget *header_view = NULL;
 783         gboolean dimmed = FALSE;
 784
 785         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 786         rule = MODEST_DIMMING_RULE (user_data);
 787
 788         /* main window dimming rules */
 789         if (MODEST_IS_MAIN_WINDOW(win)) {
 790
 791                 /* Check dimmed rule */
 792                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 793                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 794
 795                 /* If the header view has the focus: */
 796                 if (header_view && gtk_widget_is_focus (header_view)) {
 797                         /* Check dimmed rule */
 798                         if (!dimmed)
 799                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 800                 }
 801                 else {
 802                         /* If the folder view has the focus: */
 803                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 804                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 805                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 806                                 TnyFolderStore *folder_store
 807                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 808                                 if (folder_store) {
 809                                         /* Only enable for folders, not accounts,
 810                                          * though the UI spec is not clear about that.
 811                                          * If we enable this for accounts then we must
 812                                          * add code to handle them in modest_ui_actions_on_details(). */
 813                                         if (!TNY_IS_FOLDER(folder_store)) {
 814                                                 dimmed = TRUE;
 815                                                 modest_dimming_rule_set_notification (rule, "");
 816                                         }
 817
 818                                         g_object_unref (folder_store);
 819                                 } else {
 820                                         dimmed = TRUE;
 821                                         modest_dimming_rule_set_notification (rule, "");
 822                                 }
 823                                 if (!dimmed) {
 824                                         dimmed = _msg_download_in_progress (win);
 825                                         if (dimmed)
 826                                                 modest_dimming_rule_set_notification (rule, "");
 827                                 }
 828
 829                         }
 830
 831                 }
 832
 833         /* msg view window dimming rules */
 834         } else {
 835
 836                 /* Check dimmed rule */
 837                 if (!dimmed) {
 838                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 839                                 dimmed = _msg_download_in_progress (win);
 840                         if (dimmed)
 841                                 modest_dimming_rule_set_notification (rule, "");
 842                 }
 843         }
 844
 845         return dimmed;
 846 }
 847
 848
 849 gboolean
 850 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 851 {
 852         ModestDimmingRule *rule = NULL;
 853         TnyHeaderFlags flags;
 854         const DimmedState *state = NULL;
 855         gboolean dimmed = FALSE;
 856
 857         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 858         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 859         rule = MODEST_DIMMING_RULE (user_data);
 860         state = modest_window_get_dimming_state (win);
 861
 862         flags = TNY_HEADER_FLAG_SEEN;
 863
 864         /* Check dimmed rule */
 865         if (!dimmed) {
 866                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 867         }
 868         if (!dimmed) {
 869                 dimmed = state->all_marked_as_seen;
 870                 if (dimmed)
 871                         modest_dimming_rule_set_notification (rule, "");
 872         }
 873
 874         return dimmed;
 875 }
 876
 877 gboolean
 878 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 879 {
 880         ModestDimmingRule *rule = NULL;
 881         TnyHeaderFlags flags;
 882         const DimmedState *state = NULL;
 883         gboolean dimmed = FALSE;
 884
 885         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 886         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 887         rule = MODEST_DIMMING_RULE (user_data);
 888         state = modest_window_get_dimming_state (win);
 889
 890         flags = TNY_HEADER_FLAG_SEEN;
 891
 892         /* Check dimmed rule */
 893         if (!dimmed)
 894                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 895         if (!dimmed) {
 896                 dimmed = !state->any_marked_as_seen;
 897                 if (dimmed)
 898                         modest_dimming_rule_set_notification (rule, "");
 899         }
 900
 901         return dimmed;
 902 }
 903
 904 gboolean
 905 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 906 {
 907         ModestDimmingRule *rule = NULL;
 908         gboolean dimmed = FALSE;
 909
 910         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 911         rule = MODEST_DIMMING_RULE (user_data);
 912
 913         if (MODEST_IS_MAIN_WINDOW (win))
 914                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 915         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 916                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 917
 918         return dimmed;
 919 }
 920
 921
 922 gboolean
 923 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 924 {
 925         GtkWidget *folder_view = NULL;
 926         ModestDimmingRule *rule = NULL;
 927         const DimmedState *state = NULL;
 928         gboolean dimmed = FALSE;
 929
 930         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 931         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 932         rule = MODEST_DIMMING_RULE (user_data);
 933         state = modest_window_get_dimming_state (win);
 934
 935         /* Get the folder view */
 936         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 937                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 938
 939
 940         /* Check diming rules for folders transfer  */
 941         if (gtk_widget_is_focus (folder_view)) {
 942                 TnyFolderType types[5];
 943
 944                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 945                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 946                 types[2] = TNY_FOLDER_TYPE_SENT;
 947                 types[3] = TNY_FOLDER_TYPE_ROOT;
 948                 types[4] = TNY_FOLDER_TYPE_INBOX;
 949
 950                 /* Apply folder rules */
 951                 if (!dimmed) {
 952                         dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
 953                         if (dimmed)
 954                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 955                 }
 956                 if (!dimmed) {
 957                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 958                         if (dimmed)
 959                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 960                 }
 961         }
 962
 963         /* Check diming rules for messages transfer  */
 964         if (!dimmed) {
 965                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 966                 if (dimmed) {
 967                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"),
 968                                                          state->already_opened_msg);
 969                         modest_dimming_rule_set_notification (rule, message);
 970                         g_free(message);
 971                 }
 972         }
 973         if (!dimmed) {
 974                 if (!gtk_widget_is_focus (folder_view))
 975                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 976
 977         }
 978         if (!dimmed) {
 979                 dimmed = _selected_msg_sent_in_progress (win);
 980                 if (dimmed)
 981                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
 982         }
 983
 984         return dimmed;
 985 }
 986
 987 gboolean
 988 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 989 {
 990         ModestDimmingRule *rule = NULL;
 991         gboolean dimmed = FALSE;
 992
 993         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 994         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 995         rule = MODEST_DIMMING_RULE (user_data);
 996
 997         /* Check dimmed rule */
 998         if (!dimmed) {
 999                 dimmed = _transfer_mode_enabled (win);
1000                 if (dimmed)
1001                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1002         }
1003
1004         if (!dimmed) {
1005                 dimmed = _selected_msg_sent_in_progress (win);
1006                 if (dimmed)
1007                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
1008         }
1009         if (!dimmed) {
1010                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1011                         /* The move_to button should be dimmed when viewing an attachment,
1012                          * but should be enabled when viewing a message from the list,
1013                          * or when viewing a search result.
1014                          */
1015                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1016                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1017                         }
1018                 }
1019
1020                 if (dimmed)
1021                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
1022         }
1023
1024         return dimmed;
1025 }
1026
1027 gboolean
1028 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1029 {
1030         ModestDimmingRule *rule = NULL;
1031         gboolean dimmed = FALSE;
1032
1033         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1034         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1035         rule = MODEST_DIMMING_RULE (user_data);
1036
1037         /* Check dimmed rule */
1038         if (!dimmed) {
1039                 dimmed = _transfer_mode_enabled (win);
1040                 if (dimmed)
1041                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1042         }
1043
1044         return dimmed;
1045 }
1046
1047 gboolean
1048 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1049 {
1050         ModestDimmingRule *rule = NULL;
1051         TnyFolderType types[3];
1052         gboolean dimmed = FALSE;
1053
1054         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1055         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1056         rule = MODEST_DIMMING_RULE (user_data);
1057
1058         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1059         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1060         types[2] = TNY_FOLDER_TYPE_SENT;
1061
1062         /* Check dimmed rule */
1063         if (!dimmed) {
1064                 dimmed = _clipboard_is_empty (win);
1065                 if (dimmed)
1066                         modest_dimming_rule_set_notification (rule,
1067                                                               dgettext("hildon-common-strings",
1068                                                                        "ecoc_ib_edwin_nothing_to_paste"));
1069         }
1070         if (!dimmed) {
1071                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1072                 if (dimmed)
1073                         modest_dimming_rule_set_notification (rule,
1074                                                               dgettext("hildon-common-strings",
1075                                                                        "ckct_ib_unable_to_paste_here"));
1076         }
1077         if (!dimmed) {
1078                 dimmed = !_folder_view_has_focus (win);
1079                 if (dimmed)
1080                         modest_dimming_rule_set_notification (rule,
1081                                         dgettext("hildon-common-strings",
1082                                         "ckct_ib_unable_to_paste_here"));
1083         }
1084         if (!dimmed) {
1085                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1086                 if (dimmed)
1087                         modest_dimming_rule_set_notification (rule,
1088                                                               dgettext("hildon-common-strings",
1089                                                                        "ckct_ib_unable_to_paste_here"));
1090         }
1091         if (!dimmed) {
1092                 dimmed = _selected_folder_is_same_as_source (win);
1093                 if (dimmed)
1094                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1095         }
1096         if (!dimmed) {
1097                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1098                 if (dimmed)
1099                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1100         }
1101
1102         return dimmed;
1103 }
1104
1105
1106 gboolean
1107 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1108 {
1109         ModestDimmingRule *rule = NULL;
1110         gboolean dimmed = FALSE;
1111         GtkWidget *focused = NULL;
1112
1113         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1114         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1115         rule = MODEST_DIMMING_RULE (user_data);
1116
1117         focused = gtk_window_get_focus (GTK_WINDOW (win));
1118
1119         /* Main window dimming rules */
1120         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1121                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1122
1123         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1124                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1125
1126         if (!dimmed && GTK_IS_ENTRY (focused)) {
1127                 const gchar *current_text;
1128                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1129                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1130         }
1131
1132         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1133                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1134                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1135         }
1136
1137         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1138                 dimmed = FALSE;
1139         return dimmed;
1140 }
1141
1142 gboolean
1143 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1144 {
1145         ModestDimmingRule *rule = NULL;
1146         gboolean dimmed = FALSE;
1147
1148         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1149         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1150         rule = MODEST_DIMMING_RULE (user_data);
1151
1152         /* Check dimmed rule */
1153         if (!dimmed)
1154                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1155
1156         if (!dimmed) {
1157                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1158                 if (dimmed) {
1159                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1160                 }
1161         }
1162
1163         return dimmed;
1164 }
1165
1166 gboolean
1167 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1168 {
1169         ModestDimmingRule *rule = NULL;
1170         gboolean dimmed = FALSE;
1171
1172         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1173         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1174         rule = MODEST_DIMMING_RULE (user_data);
1175
1176         /* Check dimmed rule */
1177         if (!dimmed)
1178                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1179
1180         if (!dimmed) {
1181                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1182                 if (dimmed) {
1183                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1184                 }
1185         }
1186
1187         return dimmed;
1188 }
1189
1190 gboolean
1191 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1192 {
1193         ModestDimmingRule *rule = NULL;
1194         const DimmedState *state = NULL;
1195         gboolean dimmed = FALSE;
1196
1197         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1198         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1199         rule = MODEST_DIMMING_RULE (user_data);
1200         state = modest_window_get_dimming_state (win);
1201
1202         /* Check in main window if there's only one message selected */
1203         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1204                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1205         }
1206
1207         /* Check in view window if there's any attachment selected */
1208         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1209                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1210                 if (dimmed)
1211                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1212         }
1213
1214         /* cannot purge in editable drafts nor pop folders */
1215         if (!dimmed) {
1216                 dimmed = _invalid_folder_for_purge (win, rule);
1217         }
1218
1219         /* Check if the selected message in main window has attachments */
1220         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1221                 dimmed = !(state->any_has_attachments);
1222                 if (dimmed)
1223                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1224         }
1225
1226         /* Check if all attachments are already purged */
1227         if (!dimmed) {
1228                 dimmed = _purged_attach_selected (win, TRUE, rule);
1229         }
1230
1231         /* Check if the message is already downloaded */
1232         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1233                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1234                 if (dimmed)
1235                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1236         }
1237
1238
1239         return dimmed;
1240 }
1241
1242 gboolean
1243 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1244 {
1245         ModestDimmingRule *rule = NULL;
1246         gboolean dimmed = FALSE;
1247
1248         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1249         rule = MODEST_DIMMING_RULE (user_data);
1250
1251         /* Check dimmed rule */
1252         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1253                 dimmed = _clipboard_is_empty (win);
1254                 if (dimmed)
1255                         modest_dimming_rule_set_notification (rule, "");
1256         }
1257
1258         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1259                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1260         }
1261
1262         return dimmed;
1263 }
1264
1265 gboolean
1266 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1267 {
1268         ModestDimmingRule *rule = NULL;
1269         gboolean dimmed = FALSE;
1270
1271         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1272         rule = MODEST_DIMMING_RULE (user_data);
1273
1274         /* Check dimmed rule */
1275         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1276                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1277         }
1278
1279         return dimmed;
1280 }
1281
1282 gboolean
1283 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1284 {
1285         ModestDimmingRule *rule = NULL;
1286         const DimmedState *state = NULL;
1287         gboolean dimmed = FALSE;
1288
1289         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1290         rule = MODEST_DIMMING_RULE (user_data);
1291         state = modest_window_get_dimming_state (win);
1292
1293         /* Check common dimming rules */
1294         if (!dimmed) {
1295                 dimmed = _invalid_clipboard_selected (win, rule);
1296         }
1297
1298         /* Check window specific dimming rules */
1299         if (MODEST_IS_MAIN_WINDOW (win)) {
1300                 /* Get focused widget */
1301                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1302
1303                 if (MODEST_IS_HEADER_VIEW (focused)) {
1304                         if (!dimmed) {
1305                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1306                                 if (dimmed)
1307                                         modest_dimming_rule_set_notification (rule, "");
1308                         }
1309                         if (!dimmed) {
1310                                 dimmed = _selected_msg_sent_in_progress (win);
1311                                 if (dimmed)
1312                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1313                         }
1314                         if (!dimmed) {
1315                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1316                                 if(dimmed)
1317                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1318                         }
1319                 }
1320                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1321                         TnyFolderType types[3];
1322
1323                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1324                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1325                         types[2] = TNY_FOLDER_TYPE_SENT;
1326
1327                         /* Apply folder rules */
1328                         if (!dimmed) {
1329                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1330                                 if (dimmed)
1331                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
1332                         }
1333                         if (!dimmed) {
1334                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1335                                 if (dimmed)
1336                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1337                         }
1338                         if (!dimmed) {
1339                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1340                                 if (dimmed)
1341                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1342                         }
1343                 }
1344         }
1345
1346         return dimmed;
1347 }
1348
1349 gboolean
1350 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1351 {
1352         ModestDimmingRule *rule = NULL;
1353         const DimmedState *state = NULL;
1354         gboolean dimmed = FALSE;
1355
1356         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1357         rule = MODEST_DIMMING_RULE (user_data);
1358         state = modest_window_get_dimming_state (win);
1359
1360         /* Check common dimming rules */
1361         if (!dimmed) {
1362                 dimmed = _invalid_clipboard_selected (win, rule);
1363         }
1364
1365         /* Check window specific dimming rules */
1366         if (MODEST_IS_MAIN_WINDOW (win)) {
1367                 /* Get focused widget */
1368                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1369
1370                 if (MODEST_IS_HEADER_VIEW (focused)) {
1371                         if (!dimmed) {
1372                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1373                                 if (dimmed)
1374                                         modest_dimming_rule_set_notification (rule, "");
1375                         }
1376                         if (!dimmed) {
1377                                 dimmed = _selected_msg_sent_in_progress (win);
1378                                 if (dimmed)
1379                                         modest_dimming_rule_set_notification (rule, _(""));
1380                         }
1381                         if (!dimmed) {
1382                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1383                                 if(dimmed)
1384                                         modest_dimming_rule_set_notification (rule, _(""));
1385                         }
1386                 }
1387                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1388                         TnyFolderType types[3];
1389
1390                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1391                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1392                         types[2] = TNY_FOLDER_TYPE_SENT;
1393
1394                         if (!dimmed) {
1395                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1396                                 if (dimmed)
1397                                         modest_dimming_rule_set_notification (rule, _(""));
1398                         }
1399                         if (!dimmed) {
1400                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1401                                 if (dimmed)
1402                                         modest_dimming_rule_set_notification (rule, _(""));
1403                         }
1404                 }
1405         }
1406
1407         return dimmed;
1408 }
1409
1410 gboolean
1411 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1412 {
1413         ModestDimmingRule *rule = NULL;
1414         const DimmedState *state = NULL;
1415         gboolean dimmed = FALSE;
1416
1417         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1418         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1419         rule = MODEST_DIMMING_RULE (user_data);
1420         state = modest_window_get_dimming_state (win);
1421
1422
1423         /* Check common dimming rules */
1424         if (!dimmed) {
1425                 ModestMsgEditFormat format;
1426                 format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1427
1428                 dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1429                 if (dimmed)
1430                         modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1431         }
1432
1433         if (!dimmed) {
1434                 GtkWidget *body;
1435                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1436                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1437
1438                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1439                 if (dimmed)
1440                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1441         }
1442
1443
1444         return dimmed;
1445 }
1446
1447 gboolean
1448 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1449 {
1450         ModestDimmingRule *rule = NULL;
1451         const DimmedState *state = NULL;
1452         gboolean dimmed = FALSE;
1453
1454         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1455         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1456         rule = MODEST_DIMMING_RULE (user_data);
1457         state = modest_window_get_dimming_state (win);
1458
1459         if (!dimmed) {
1460                 GtkWidget *body;
1461                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1462                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1463
1464                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1465                 if (dimmed)
1466                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1467         }
1468
1469
1470         return dimmed;
1471 }
1472
1473 gboolean
1474 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1475 {
1476         ModestDimmingRule *rule = NULL;
1477         const DimmedState *state = NULL;
1478         gboolean dimmed = FALSE;
1479         GtkWidget *focused = NULL;
1480
1481         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1482         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1483         rule = MODEST_DIMMING_RULE (user_data);
1484         state = modest_window_get_dimming_state (win);
1485
1486         focused = gtk_window_get_focus (GTK_WINDOW (win));
1487
1488         if (!dimmed) {
1489                 dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1490         }
1491
1492         if (!dimmed) {
1493                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1494         }
1495
1496         if (!dimmed) {
1497                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1498                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1499                         (modest_msg_edit_window_get_clipboard_text(MODEST_MSG_EDIT_WINDOW (win)) == NULL) &&
1500                         !gtk_clipboard_wait_is_text_available(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
1501         }
1502
1503         return dimmed;
1504 }
1505
1506 gboolean
1507 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1508 {
1509         ModestDimmingRule *rule = NULL;
1510         const DimmedState *state = NULL;
1511         gboolean dimmed = FALSE;
1512
1513         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1514         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1515         rule = MODEST_DIMMING_RULE (user_data);
1516         state = modest_window_get_dimming_state (win);
1517
1518         if (!dimmed) {
1519                 GList *selected_attachments = NULL;
1520                 gint n_att_selected = 0;
1521                 GtkWidget *attachments_view;
1522                 attachments_view = modest_msg_edit_window_get_child_widget (
1523                         MODEST_MSG_EDIT_WINDOW (win),
1524                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1525
1526                 selected_attachments = modest_attachments_view_get_selection (
1527                         MODEST_ATTACHMENTS_VIEW (attachments_view));
1528                 n_att_selected = g_list_length (selected_attachments);
1529                 g_list_free (selected_attachments);
1530
1531                 dimmed = (n_att_selected != 1);
1532         }
1533
1534         return dimmed;
1535 }
1536
1537 gboolean
1538 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1539 {
1540         ModestDimmingRule *rule = NULL;
1541         const DimmedState *state = NULL;
1542         gboolean dimmed = FALSE;
1543
1544         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1545         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1546         rule = MODEST_DIMMING_RULE (user_data);
1547         state = modest_window_get_dimming_state (win);
1548
1549         if (!dimmed) {
1550                 GtkWidget *subject_field, *body_field;
1551                 GtkTextBuffer *body_buffer;
1552                 const gchar *subject = NULL;
1553                 body_field = modest_msg_edit_window_get_child_widget (
1554                         MODEST_MSG_EDIT_WINDOW (win),
1555                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1556                 subject_field = modest_msg_edit_window_get_child_widget (
1557                         MODEST_MSG_EDIT_WINDOW (win),
1558                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1559                 body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1560                 subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1561
1562                 dimmed = ((subject == NULL || subject[0] == '\0')
1563                           || (gtk_text_buffer_get_char_count(body_buffer) == 0));
1564                 if (dimmed)
1565                         modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_or_body_not_modified"));
1566         }
1567
1568         if (!dimmed) {
1569                 GtkWidget *to_field, *cc_field, *bcc_field;
1570                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1571                 cc_field = modest_msg_edit_window_get_child_widget (
1572                         MODEST_MSG_EDIT_WINDOW (win),
1573                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1574                 to_field = modest_msg_edit_window_get_child_widget (
1575                         MODEST_MSG_EDIT_WINDOW (win),
1576                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1577                 bcc_field = modest_msg_edit_window_get_child_widget (
1578                         MODEST_MSG_EDIT_WINDOW (win),
1579                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1580                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1581                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1582                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1583
1584                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1585                            gtk_text_buffer_get_char_count (cc_buffer) +
1586                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1587                 if (dimmed)
1588                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1589         }
1590
1591         return dimmed;
1592 }
1593
1594 gboolean
1595 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1596 {
1597         ModestDimmingRule *rule = NULL;
1598         gboolean dimmed = FALSE;
1599
1600         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1601         rule = MODEST_DIMMING_RULE (user_data);
1602
1603         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1604
1605         /* Check dimmed rule */
1606         if (!dimmed) {
1607                 dimmed = _transfer_mode_enabled (win);
1608                 if (dimmed)
1609                         modest_dimming_rule_set_notification (
1610                                         rule, _("mail_ib_notavailable_downloading"));
1611         }
1612         if (!dimmed) {
1613                 dimmed = modest_msg_view_window_first_message_selected (
1614                                 MODEST_MSG_VIEW_WINDOW(win));
1615                 modest_dimming_rule_set_notification (rule, NULL);
1616         }
1617
1618         return dimmed;
1619 }
1620
1621 gboolean
1622 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1623 {
1624         ModestDimmingRule *rule = NULL;
1625         gboolean dimmed = FALSE;
1626
1627         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1628         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1629         rule = MODEST_DIMMING_RULE (user_data);
1630
1631         /* Check dimmed rule */
1632         if (!dimmed) {
1633                 dimmed = _transfer_mode_enabled (win);
1634                 if (dimmed)
1635                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1636         }
1637         if (!dimmed) {
1638                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1639                 modest_dimming_rule_set_notification (rule, NULL);
1640         }
1641
1642         return dimmed;
1643 }
1644
1645
1646 gboolean
1647 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1648 {
1649         const gboolean dimmed =
1650                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1651                         TRUE);
1652
1653         return dimmed;
1654 }
1655
1656 gboolean
1657 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1658 {
1659         ModestDimmingRule *rule = NULL;
1660         TnyFolderType types[1];
1661         const DimmedState *state = NULL;
1662         gboolean dimmed = FALSE;
1663
1664         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1665         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1666         rule = MODEST_DIMMING_RULE (user_data);
1667         state = modest_window_get_dimming_state (win);
1668
1669         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1670
1671         /* Check dimmed rules */
1672         if (!dimmed) {
1673                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1674                 if (dimmed)
1675                         modest_dimming_rule_set_notification (rule, "");
1676         }
1677         if (!dimmed) {
1678                 dimmed = !_sending_in_progress (win);
1679                 if (dimmed)
1680                         modest_dimming_rule_set_notification (rule, "");
1681         }
1682
1683         return dimmed;
1684 }
1685
1686 gboolean
1687 modest_ui_dimming_rules_on_csm_cancel_sending (ModestWindow *win, gpointer user_data)
1688 {
1689         ModestDimmingRule *rule = NULL;
1690         TnyFolderType types[1];
1691         const DimmedState *state = NULL;
1692         gboolean dimmed = FALSE;
1693
1694         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1695         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1696         rule = MODEST_DIMMING_RULE (user_data);
1697         state = modest_window_get_dimming_state (win);
1698
1699         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1700
1701         /* Check dimmed rules */
1702         if (!dimmed) {
1703                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1704                 if (dimmed)
1705                         modest_dimming_rule_set_notification (rule, "");
1706         }
1707         if (!dimmed) {
1708                 dimmed = !_sending_in_progress (win);
1709                 if (dimmed)
1710                         modest_dimming_rule_set_notification (rule, "");
1711         }
1712
1713         return dimmed;
1714 }
1715
1716 gboolean
1717 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1718 {
1719         ModestDimmingRule *rule = NULL;
1720         gboolean dimmed = FALSE;
1721
1722         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1723         rule = MODEST_DIMMING_RULE (user_data);
1724
1725         /* Check dimmed rule */
1726         if (!dimmed) {
1727                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1728                                                           TRUE);
1729                 if (dimmed)
1730                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1731         }
1732
1733         return dimmed;
1734 }
1735
1736 gboolean
1737 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1738 {
1739         ModestDimmingRule *rule = NULL;
1740         gboolean dimmed = FALSE;
1741
1742         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1743         rule = MODEST_DIMMING_RULE (user_data);
1744
1745         /* Check dimmed rule */
1746         if (!dimmed) {
1747                 GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1748                 if (g_slist_length (account_names) <= 1)
1749                         dimmed = TRUE;
1750                 if (dimmed)
1751                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1752
1753                 modest_account_mgr_free_account_names (account_names);
1754         }
1755
1756         return dimmed;
1757 }
1758
1759 gboolean
1760 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1761 {
1762         ModestDimmingRule *rule = NULL;
1763         gboolean dimmed = FALSE;
1764         GtkWidget *focused = NULL;
1765
1766         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1767         rule = MODEST_DIMMING_RULE (user_data);
1768         focused = gtk_window_get_focus (GTK_WINDOW (win));
1769
1770         dimmed = !focused;
1771
1772         if (!dimmed) {
1773                 gchar *selection = NULL;
1774                 if (GTK_IS_TEXT_VIEW (focused)) {
1775                         GtkTextIter start, end;
1776                         GtkTextBuffer *buffer = NULL;
1777                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1778                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1779                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1780                         }
1781                 } else if (GTK_IS_LABEL (focused)) {
1782                         gint start, end;
1783                         if (gtk_label_get_selection_bounds (GTK_LABEL (focused), &start, &end)) {
1784                                 const gchar *start_offset;
1785                                 start_offset = gtk_label_get_text (GTK_LABEL (focused));
1786                                 start_offset = g_utf8_offset_to_pointer (start_offset, start);
1787                                 selection = g_new0 (gchar, end - start + 1);
1788                                 g_utf8_strncpy (selection, start_offset, end - start);
1789                         }
1790                 } else {
1791                         GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1792                         selection = gtk_clipboard_wait_for_text (clipboard);
1793                 }
1794                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1795         }
1796
1797         return dimmed;
1798 }
1799
1800 /* *********************** static utility functions ******************** */
1801
1802
1803 static gboolean
1804 _selected_folder_not_writeable (ModestMainWindow *win,
1805                                 gboolean for_paste)
1806 {
1807         GtkWidget *folder_view = NULL;
1808         TnyFolderStore *parent_folder = NULL;
1809         ModestEmailClipboard *clipboard = NULL;
1810         ModestTnyFolderRules rules;
1811         gboolean is_local_acc = FALSE;
1812         gboolean xfer_folders = FALSE;
1813         gboolean result = FALSE;
1814
1815         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1816
1817         /* Get folder view */
1818         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1819                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1820         /* If no folder view, always dimmed */
1821         if (!folder_view)
1822                 return TRUE;
1823
1824         /* Get selected folder as parent of new folder to create */
1825         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1826         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1827                 /* If it's the local account and its transfering folders, then do not dim */
1828                 if (TNY_IS_ACCOUNT (parent_folder)) {
1829                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
1830                         if (for_paste) {
1831                                 clipboard = modest_runtime_get_email_clipboard ();
1832                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
1833                         }
1834                 }
1835
1836                 if (for_paste)
1837                         result = !(is_local_acc && xfer_folders);
1838                 else
1839                         result = !is_local_acc;
1840                 goto frees;
1841         }
1842
1843         /* Check dimmed rule */
1844         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1845         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1846
1847         /* free */
1848  frees:
1849         if (parent_folder != NULL)
1850                 g_object_unref (parent_folder);
1851
1852         return result;
1853 }
1854
1855 static gboolean
1856 _selected_folder_not_deletable (ModestMainWindow *win)
1857 {
1858         GtkWidget *folder_view = NULL;
1859         TnyFolderStore *parent_folder = NULL;
1860         ModestTnyFolderRules rules;
1861         gboolean result = FALSE;
1862
1863         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1864
1865         /* Get folder view */
1866         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1867                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1868         /* If no folder view, always dimmed */
1869         if (!folder_view)
1870                 return TRUE;
1871
1872         /* Get selected folder as parent of new folder to create */
1873         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1874         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1875                 result = TRUE;
1876                 goto frees;
1877         }
1878
1879         /* Check dimmed rule */
1880         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1881         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
1882
1883         /* free */
1884  frees:
1885         if (parent_folder != NULL)
1886                 g_object_unref (parent_folder);
1887
1888         return result;
1889 }
1890
1891 static gboolean
1892 _selected_folder_not_moveable (ModestMainWindow *win)
1893 {
1894         GtkWidget *folder_view = NULL;
1895         TnyFolderStore *parent_folder = NULL;
1896         ModestTnyFolderRules rules;
1897         gboolean result = FALSE;
1898
1899         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1900
1901         /* Get folder view */
1902         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1903                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1904         /* If no folder view, always dimmed */
1905         if (!folder_view)
1906                 return TRUE;
1907
1908         /* Get selected folder as parent of new folder to create */
1909         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1910         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1911                 result = TRUE;
1912                 goto frees;
1913         }
1914
1915         /* Check dimmed rule */
1916         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1917         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1918
1919         /* free */
1920  frees:
1921         if (parent_folder != NULL)
1922                 g_object_unref (parent_folder);
1923
1924         return result;
1925 }
1926
1927 static gboolean
1928 _selected_folder_not_renameable (ModestMainWindow *win)
1929 {
1930         GtkWidget *folder_view = NULL;
1931         TnyFolderStore *parent_folder = NULL;
1932         ModestTnyFolderRules rules;
1933         gboolean result = FALSE;
1934
1935         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1936
1937         /* Get folder view */
1938         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1939                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1940         /* If no folder view, always dimmed */
1941         if (!folder_view)
1942                 return TRUE;
1943
1944         /* Get selected folder as parent of new folder to create */
1945         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1946         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1947                 result = TRUE;
1948                 goto frees;
1949         }
1950
1951         /* Check dimmed rule */
1952         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1953         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
1954
1955         /* free */
1956  frees:
1957         if (parent_folder != NULL)
1958                 g_object_unref (parent_folder);
1959
1960         return result;
1961 }
1962
1963 static gboolean
1964 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1965 {
1966         TnyFolderType types[2];
1967         gboolean result = FALSE;
1968
1969         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1970
1971         types[0] = TNY_FOLDER_TYPE_ROOT;
1972         types[1] = TNY_FOLDER_TYPE_INBOX;
1973
1974         /* Check folder type */
1975         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1976
1977         /* Check pop and MMC accounts */
1978         if (!result) {
1979                 result = _selected_folder_is_MMC_or_POP_root (win);
1980         }
1981
1982         return result;
1983 }
1984
1985
1986 static gboolean
1987 _selected_folder_is_root (ModestMainWindow *win)
1988 {
1989         TnyFolderType types[1];
1990         gboolean result = FALSE;
1991
1992         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1993
1994         /* All accounts are root items: */
1995         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1996                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1997         if (folder_view) {
1998                 gboolean is_account = FALSE;
1999                 TnyFolderStore *folder_store =
2000                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2001                 if (folder_store) {
2002                         is_account = TNY_IS_ACCOUNT (folder_store);
2003                         g_object_unref (folder_store);
2004                         folder_store = NULL;
2005                 }
2006
2007                 if (is_account)
2008                         return TRUE;
2009         }
2010
2011         /* Try something more precise: */
2012         types[0] = TNY_FOLDER_TYPE_ROOT;
2013
2014         /* Check folder type */
2015         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2016
2017         /* Check pop and MMC accounts */
2018         if (!result) {
2019                 result = _selected_folder_is_MMC_or_POP_root (win);
2020         }
2021
2022         return result;
2023 }
2024
2025 static gboolean
2026 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
2027 {
2028         GtkWidget *folder_view = NULL;
2029         TnyFolderStore *parent_folder = NULL;
2030         gboolean result = FALSE;
2031
2032         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2033                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2034         if (!folder_view)
2035                 return FALSE;
2036
2037         /* Get selected folder as parent of new folder to create */
2038         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2039         if (!parent_folder)
2040                 return TRUE;
2041
2042         if (TNY_IS_ACCOUNT (parent_folder)) {
2043                 /* If it's the local account then do not dim */
2044                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
2045                         result = FALSE;
2046                 } else {
2047                                 /* If it's the MMC root folder then dim it */
2048                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
2049                                         result = TRUE;
2050                         } else {
2051                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
2052                                 /* If it's POP then dim */
2053                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2054                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
2055                         }
2056                 }
2057         }
2058         g_object_unref (parent_folder);
2059
2060         return result;
2061 }
2062
2063 static gboolean
2064 _header_view_is_all_selected (ModestMainWindow *win)
2065 {
2066         const DimmedState *state = NULL;
2067
2068         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2069
2070         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2071
2072         return state->all_selected;
2073 }
2074
2075 static gboolean
2076 _selected_folder_is_empty (ModestMainWindow *win)
2077 {
2078         GtkWidget *folder_view = NULL;
2079         TnyFolderStore *folder = NULL;
2080         gboolean result = FALSE;
2081
2082         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2083
2084         /* Get folder view */
2085         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2086                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2087         /* If no folder view, always dimmed */
2088         if (!folder_view)
2089                 return TRUE;
2090
2091         /* Get selected folder as parent of new folder to create */
2092         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2093         if (!(folder && TNY_IS_FOLDER(folder))) {
2094                 if (folder)
2095                         g_object_unref (folder);
2096                 return TRUE;
2097         }
2098
2099         /* Check folder type */
2100         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
2101
2102         /* free */
2103         g_object_unref (folder);
2104
2105         return result;
2106 }
2107
2108 static gboolean
2109 _folder_view_has_focus (ModestWindow *win)
2110 {
2111         GtkWidget *folder_view = NULL;
2112
2113         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2114
2115         /* Get folder view */
2116         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2117                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2118         if (!folder_view)
2119                 return FALSE;
2120
2121         if (gtk_widget_is_focus(folder_view))
2122                 return TRUE;
2123
2124         return FALSE;
2125 }
2126
2127 static gboolean
2128 _selected_folder_is_same_as_source (ModestWindow *win)
2129 {
2130         ModestEmailClipboard *clipboard = NULL;
2131         GtkWidget *folder_view = NULL;
2132         TnyFolderStore *folder = NULL;
2133         gboolean result = FALSE;
2134
2135         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2136
2137         /* Get folder view */
2138         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2139                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2140         if (!folder_view)
2141                 return FALSE;
2142
2143         /* Get selected folder as destination folder */
2144         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2145         if (!(folder && TNY_IS_FOLDER(folder))) {
2146                 result = FALSE;
2147                 goto frees;
2148         }
2149
2150         /* Check clipboard is cleared */
2151         clipboard = modest_runtime_get_email_clipboard ();
2152         if (modest_email_clipboard_cleared (clipboard)) {
2153                 result = FALSE;
2154                 goto frees;
2155         }
2156
2157         /* Check source folder */
2158         result = modest_email_clipboard_check_source_folder (clipboard,
2159                                                              (const TnyFolder *) folder);
2160
2161         /* Free */
2162  frees:
2163         g_object_unref (folder);
2164
2165         return result;
2166 }
2167
2168 static gboolean
2169 _selected_folder_is_any_of_type (ModestWindow *win,
2170                                  TnyFolderType types[],
2171                                  guint ntypes)
2172 {
2173         GtkWidget *folder_view = NULL;
2174         TnyFolderStore *folder = NULL;
2175         TnyFolderType folder_type;
2176         guint i=0;
2177         gboolean result = FALSE;
2178
2179         /*Get current folder */
2180         if (MODEST_IS_MAIN_WINDOW(win)) {
2181
2182                 /* Get folder view */
2183                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2184                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2185                 /* If no folder view, always dimmed */
2186                 if (!folder_view)
2187                         return FALSE;
2188
2189                 /* Get selected folder as parent of new folder to create */
2190                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2191
2192                 if (!(folder && TNY_IS_FOLDER(folder))) {
2193                         if (folder)
2194                                 g_object_unref (folder);
2195                         return FALSE;
2196                 }
2197
2198                 /* Check folder type */
2199                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2200         }
2201         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2202                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2203                 for (i=0; i < ntypes; i++) {
2204                         result = result || folder_type == types[i];
2205                 }
2206         }
2207
2208
2209         /* free */
2210         g_object_unref (folder);
2211
2212         return result;
2213 }
2214
2215 static gboolean
2216 _folder_is_any_of_type (TnyFolder *folder,
2217                         TnyFolderType types[],
2218                         guint ntypes)
2219 {
2220         TnyFolderType folder_type;
2221         gboolean result = FALSE;
2222         guint i;
2223
2224         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2225
2226         /* Get folder type */
2227         folder_type = modest_tny_folder_guess_folder_type (folder);
2228         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2229                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2230
2231         /* Check foler type */
2232         for (i=0; i < ntypes; i++) {
2233                 result = result || folder_type == types[i];
2234         }
2235
2236         return result;
2237 }
2238
2239 static gboolean
2240 _clipboard_is_empty (ModestWindow *win)
2241 {
2242         gboolean result = FALSE;
2243
2244         if (MODEST_IS_MAIN_WINDOW (win)) {
2245                 ModestEmailClipboard *clipboard = NULL;
2246                 clipboard = modest_runtime_get_email_clipboard ();
2247                 if (modest_email_clipboard_cleared (clipboard))
2248                  result = TRUE;
2249         }
2250
2251         return result;
2252 }
2253
2254 static gboolean
2255 _invalid_clipboard_selected (ModestWindow *win,
2256                              ModestDimmingRule *rule)
2257 {
2258         const DimmedState *state = NULL;
2259         gboolean result = FALSE;
2260         GtkWidget *focused = NULL;
2261
2262         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2263         state = modest_window_get_dimming_state (win);
2264         /* Get focuesed widget */
2265         focused = gtk_window_get_focus (GTK_WINDOW (win));
2266
2267         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2268                 gboolean has_selection = FALSE;
2269                 if (GTK_IS_TEXT_VIEW (focused)) {
2270                         GtkTextBuffer *buffer = NULL;
2271                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2272                         has_selection = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
2273                 } else if (GTK_IS_EDITABLE (focused)) {
2274                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2275                 }
2276                 result = !has_selection;
2277         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2278                 if (focused) {
2279                         if (GTK_IS_LABEL (focused) &&
2280                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2281                                 result = TRUE;
2282                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2283                                 GtkTextBuffer *buffer;
2284                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2285                                 result = !gtk_text_buffer_get_has_selection (buffer);
2286                         } else if (!MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2287                                 GtkClipboard *clipboard = NULL;
2288                                 gchar *selection = NULL;
2289
2290                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2291                                 /* Get clipboard selection*/
2292                                 selection = gtk_clipboard_wait_for_text (clipboard);
2293                                 /* Check dimming */
2294                                 result = (selection == NULL);
2295                                 g_free (selection);
2296                         }
2297                 } else {
2298                         result = TRUE;
2299                 }
2300
2301                 if (result)
2302                         modest_dimming_rule_set_notification (rule, "");
2303
2304         }
2305         else if (MODEST_IS_MAIN_WINDOW (win)) {
2306                 /* Check dimming */
2307                 result = state->n_selected == 0;
2308                 if (result)
2309                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2310         }
2311
2312         return result;
2313 }
2314
2315
2316 static gboolean
2317 _invalid_attach_selected (ModestWindow *win,
2318                           gboolean unique,
2319                           gboolean for_view,
2320                           gboolean for_remove,
2321                           ModestDimmingRule *rule)
2322 {
2323         GList *attachments, *node;
2324         gint n_selected;
2325         TnyHeaderFlags flags;
2326         gboolean nested_attachments = FALSE;
2327         gboolean selected_messages = FALSE;
2328         const DimmedState *state = NULL;
2329         gboolean result = FALSE;
2330
2331         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2332         state = modest_window_get_dimming_state (win);
2333
2334         if (MODEST_IS_MAIN_WINDOW (win)) {
2335                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2336                 if (!result)
2337                         result = !state->any_has_attachments;
2338         }
2339         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2340
2341                 /* Get selected atachments */
2342                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2343                 n_selected = g_list_length (attachments);
2344
2345                 /* Check unique */
2346                 if (!result) {
2347                         if (unique)
2348                                 result = n_selected != 1;
2349                         else
2350
2351                                 result = n_selected < 1;
2352                 }
2353
2354                 /* Check attached type (view operation not required) */
2355                 if (!result && !for_view)  {
2356                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
2357                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2358                                 TnyList *nested_list = tny_simple_list_new ();
2359                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
2360                                         selected_messages = TRUE;
2361                                         result = TRUE;
2362                                 }
2363                                 tny_mime_part_get_parts (mime_part, nested_list);
2364                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2365                                         nested_attachments = TRUE;
2366                                         result = TRUE;
2367                                 }
2368                                 g_object_unref (nested_list);
2369                         }
2370                 }
2371
2372                 /* Set notifications */
2373                 if (result && rule != NULL) {
2374                         if (selected_messages) {
2375                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2376                         } else if (nested_attachments) {
2377                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2378                         } else if (n_selected == 0) {
2379                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2380                         } else if (unique) {
2381                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2382                         }
2383                 }
2384
2385                 /* Free */
2386                 g_list_free (attachments);
2387         }
2388
2389         return result;
2390 }
2391
2392 static gboolean
2393 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2394 {
2395         GList *attachments = NULL, *node;
2396         gint purged = 0;
2397         gint n_attachments = 0;
2398         gboolean result = FALSE;
2399
2400         /* This should check if _all_ the attachments are already purged. If only some
2401          * of them are purged, then it does not cause dim as there's a confirmation dialog
2402          * for removing only local attachments */
2403
2404         /* Get selected atachments */
2405         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2406                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2407         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2408                 /* If we're in main window, we won't know if there are already purged attachments */
2409                 return FALSE;
2410         }
2411
2412         if (attachments == NULL)
2413                 return FALSE;
2414
2415         for (node = attachments; node != NULL; node = g_list_next (node)) {
2416                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2417                 if (tny_mime_part_is_purged (mime_part)) {
2418                         purged++;
2419                 }
2420                 n_attachments++;
2421         }
2422
2423         /* Free */
2424         g_list_free (attachments);
2425
2426         if (all)
2427                 result = (purged == n_attachments);
2428         else
2429                 result = (purged > 0);
2430
2431         /* This string no longer exists, refer to NB#75415 for more info
2432         if (result && (rule != NULL))
2433                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2434         */
2435
2436         return result;
2437 }
2438
2439 static gboolean
2440 _invalid_msg_selected (ModestMainWindow *win,
2441                        gboolean unique,
2442                        ModestDimmingRule *rule)
2443 {
2444         GtkWidget *folder_view = NULL;
2445         const DimmedState *state = NULL;
2446         gboolean result = FALSE;
2447
2448         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2449         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2450         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2451
2452         /* Get folder view to check focus */
2453         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2454                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2455
2456         /* Check dimmed rule (TODO: check focus on widgets */
2457         if (!result) {
2458                 result = ((state->n_selected == 0 ) ||
2459                           (gtk_widget_is_focus (folder_view)));
2460                 if (result)
2461                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2462         }
2463         if (!result && unique) {
2464                 result = state->n_selected > 1;
2465                 if (result)
2466                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2467         }
2468
2469         return result;
2470 }
2471
2472
2473 static gboolean
2474 _msg_download_in_progress (ModestWindow *win)
2475 {
2476         gboolean result = FALSE;
2477
2478         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2479
2480         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2481                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2482         }
2483         else if (MODEST_IS_MAIN_WINDOW (win)) {
2484                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2485         }
2486
2487         return result;
2488 }
2489
2490 static gboolean
2491 _msg_download_completed (ModestMainWindow *win)
2492 {
2493         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2494         return state->any_marked_as_cached;
2495 }
2496
2497 static void
2498 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2499 {
2500         GSList **send_queues = (GSList **) userdata;
2501         *send_queues = g_slist_prepend (*send_queues, value);
2502 }
2503
2504 static gboolean
2505 _selected_msg_sent_in_progress (ModestWindow *win)
2506 {
2507         const DimmedState *state = modest_window_get_dimming_state (win);
2508         return state->sent_in_progress;
2509 }
2510
2511
2512 static gboolean
2513 _sending_in_progress (ModestWindow *win)
2514 {
2515         GHashTable *send_queue_cache = NULL;
2516         ModestCacheMgr *cache_mgr = NULL;
2517         ModestTnySendQueue *send_queue = NULL;
2518         GSList *send_queues = NULL, *node = NULL;
2519         gboolean result = FALSE;
2520
2521         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2522
2523         /* Get send queue */
2524         cache_mgr = modest_runtime_get_cache_mgr ();
2525         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2526                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2527
2528         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2529
2530         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
2531                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2532
2533                 /* Check if send operation is in progress */
2534                 result = modest_tny_send_queue_sending_in_progress (send_queue);
2535         }
2536
2537         return result;
2538 }
2539
2540 static gboolean
2541 _invalid_folder_for_purge (ModestWindow *win,
2542                            ModestDimmingRule *rule)
2543 {
2544         TnyFolder *folder = NULL;
2545         TnyAccount *account = NULL;
2546         gboolean result = FALSE;
2547
2548         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2549
2550                 /* Get folder and account of message */
2551                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2552                 g_return_val_if_fail(msg != NULL, TRUE);
2553                 folder = tny_msg_get_folder (msg);
2554                 g_object_unref (msg);
2555                 if (folder == NULL) {
2556                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2557                         goto frees;
2558                 }
2559         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2560                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2561                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2562                 if (!folder_view)
2563                         return FALSE;
2564                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
2565                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2566                         goto frees;
2567         } else {
2568                 g_return_val_if_reached (FALSE);
2569         }
2570         account = modest_tny_folder_get_account (folder);
2571         if (account == NULL) goto frees;
2572
2573         /* Check account */
2574         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2575                 TnyFolderType types[2];
2576                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2577                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2578
2579                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2580                         result = TRUE;
2581                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2582                 } else {
2583                         result = FALSE;
2584                 }
2585         } else {
2586                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2587                 /* If it's POP then dim */
2588                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2589                     MODEST_PROTOCOL_STORE_POP) {
2590                         GList *attachments = NULL;
2591                         gint n_selected = 0;
2592                         result = TRUE;
2593
2594                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2595                          * murrayc */
2596                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2597                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2598                                 n_selected = g_list_length (attachments);
2599                                 g_list_free (attachments);
2600                         }
2601
2602                         modest_dimming_rule_set_notification (rule,
2603                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2604                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2605                                                                         n_selected));
2606                 }
2607         }
2608
2609 frees:
2610         if (folder != NULL)
2611                 g_object_unref (folder);
2612         if (account != NULL)
2613                 g_object_unref (account);
2614
2615         return result;
2616 }
2617
2618 static gboolean
2619 _transfer_mode_enabled (ModestWindow *win)
2620 {
2621         gboolean result = FALSE;
2622
2623         /* Check dimming */
2624         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2625                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2626         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2627                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2628         } else {
2629                 g_warning("_transfer_mode_enabled called with wrong window type");
2630         }
2631
2632         return result;
2633 }
2634
2635 static gboolean
2636 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2637 {
2638         GtkWidget *folder_view = NULL;
2639         TnyFolderStore *folder = NULL;
2640         ModestEmailClipboard *clipboard = NULL;
2641         const gchar *folder_name = NULL;
2642         gboolean result = FALSE;
2643
2644         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2645
2646         /*Get current parent folder */
2647         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2648                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2649         /* If no folder view, always dimmed */
2650         if (!folder_view) return FALSE;
2651
2652         /* Get selected folder as parent of new folder to create */
2653         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2654         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2655
2656         /* get modest clipboard and source folder */
2657         clipboard = modest_runtime_get_email_clipboard ();
2658         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2659         if (folder_name == NULL) goto frees;
2660
2661         /* Check source subfolders names */
2662         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2663                                                             TRUE);
2664
2665         /* Free */
2666  frees:
2667         if (folder != NULL)
2668                 g_object_unref (folder);
2669
2670
2671         return result;
2672 }
2673
2674 gboolean
2675 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2676                                            gpointer user_data)
2677 {
2678         ModestDimmingRule *rule = NULL;
2679         gboolean dimmed = FALSE;
2680
2681         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2682         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2683         rule = MODEST_DIMMING_RULE (user_data);
2684
2685         /* Check dimmed rule */
2686         if (!dimmed) {
2687                 dimmed = !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2688         }
2689
2690         return dimmed;
2691 }
2692
2693 gboolean
2694 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2695                                          gpointer user_data)
2696 {
2697         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2698
2699         ModestMsgEditFormat format =
2700           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2701
2702         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2703 }