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
  44
  45 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  46 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  47 static gboolean _invalid_attach_selected (ModestWindow *win,
  48                                           gboolean unique, gboolean for_view, gboolean for_remove,
  49                                           ModestDimmingRule *rule);
  50 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  51 static gboolean _clipboard_is_empty (ModestWindow *win);
  52 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  53 /* static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages); */
  54 /* static gboolean _selected_msg_marked_as (ModestMainWindow *win, TnyHeaderFlags mask, gboolean opposite, gboolean all); */
  55 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  58 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  61 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  62 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  63 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  64 static gboolean _msg_download_completed (ModestMainWindow *win);
  65 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  66 static gboolean _sending_in_progress (ModestWindow *win);
  67 /* static gboolean _message_is_marked_as_deleted (ModestMsgViewWindow *win); */
  68 /* static gboolean _selected_message_is_marked_as_deleted (ModestMainWindow *win); */
  69 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  70 static gboolean _transfer_mode_enabled (ModestWindow *win);
  71
  72 static void  fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  73
  74
  75 static DimmedState *
  76 _define_main_window_dimming_state (ModestMainWindow *window)
  77 {
  78         DimmedState *state = NULL;
  79         GtkWidget *header_view = NULL;
  80         TnyList *selected_headers = NULL;
  81         TnyIterator *iter = NULL;
  82         TnyHeader *header = NULL;
  83         ModestCacheMgr *cache_mgr = NULL;
  84         GHashTable *send_queue_cache = NULL;
  85         ModestTnySendQueue *send_queue = NULL;
  86         GSList *send_queues = NULL, *node = NULL;
  87         ModestWindowMgr *mgr = NULL;
  88         gboolean found = FALSE;
  89         gchar *msg_uid = NULL;
  90         TnyHeaderFlags flags;
  91         gboolean all_deleted = TRUE;
  92         gboolean all_seen = TRUE;
  93         gboolean all_cached = TRUE;
  94         gboolean all_has_attach = TRUE;
  95
  96         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
  97
  98         /* Init state */
  99         state = g_slice_new0 (DimmedState);
 100         state->n_selected = 0;
 101         state->already_opened_msg = FALSE;
 102         state->any_marked_as_deleted = FALSE;
 103         state->all_marked_as_deleted = FALSE;
 104         state->any_marked_as_seen = FALSE;
 105         state->all_marked_as_seen = FALSE;
 106         state->any_marked_as_cached = FALSE;
 107         state->all_marked_as_cached = FALSE;
 108         state->any_has_attachments = FALSE;
 109         state->all_has_attachments = FALSE;
 110         state->sent_in_progress = FALSE;
 111
 112         /* Get header view and selected headers */
 113         header_view = modest_main_window_get_child_widget (window, MODEST_WIDGET_TYPE_HEADER_VIEW);
 114         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 115         if (!selected_headers)
 116                 return state;
 117
 118         /* Examine selected headers */
 119         iter = tny_list_create_iterator (selected_headers);
 120         while (!tny_iterator_is_done (iter)) {
 121                 header = TNY_HEADER (tny_iterator_get_current (iter));
 122                 flags = tny_header_get_flags (header);
 123
 124                 /* No selected */
 125                 state->n_selected++;
 126
 127                 /* Already opened */
 128                 mgr = modest_runtime_get_window_mgr ();
 129                 if (!state->already_opened_msg)
 130                         state->already_opened_msg = modest_window_mgr_find_registered_header (mgr, header, NULL);
 131
 132
 133                 /* Mark as deleted */
 134                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 135                 state->all_marked_as_deleted = all_deleted;
 136                 if (!state->any_marked_as_deleted)
 137                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 138
 139                 /* Mark as seen */
 140                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 141                 state->all_marked_as_seen = all_seen;
 142                 if (!state->any_marked_as_seen)
 143                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 144
 145                 /* Mark as cached */
 146                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 147                 state->all_marked_as_cached = all_cached;
 148                 if (!state->any_marked_as_cached)
 149                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 150
 151                 /* Mark has_attachments */
 152                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 153                 state->all_has_attachments = all_has_attach;
 154                 if (!state->any_has_attachments)
 155                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 156
 157                 /* sent in progress */
 158                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 159                 if (!state->sent_in_progress) {
 160                         cache_mgr = modest_runtime_get_cache_mgr ();
 161                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 162                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 163
 164                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 165
 166                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 167                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 168
 169                                 /* Check if msg uid is being processed inside send queue */
 170                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 171                         }
 172                         state->sent_in_progress = found;
 173                 }
 174
 175                 tny_iterator_next (iter);
 176                 g_object_unref (header);
 177         }
 178
 179         /* Free */
 180         g_free(msg_uid);
 181         g_object_unref(selected_headers);
 182         g_object_unref(iter);
 183         g_slist_free (send_queues);
 184
 185         return state;
 186 }
 187
 188 static DimmedState *
 189 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 190 {
 191         DimmedState *state = NULL;
 192         TnyHeader *header = NULL;
 193         ModestCacheMgr *cache_mgr = NULL;
 194         GHashTable *send_queue_cache = NULL;
 195         ModestTnySendQueue *send_queue = NULL;
 196         GSList *send_queues = NULL, *node = NULL;
 197         gboolean found = FALSE;
 198         gchar *msg_uid = NULL;
 199         TnyHeaderFlags flags;
 200         gboolean all_deleted = TRUE;
 201         gboolean all_seen = TRUE;
 202         gboolean all_cached = TRUE;
 203         gboolean all_has_attach = TRUE;
 204
 205         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 206
 207         /* Init state */
 208         state = g_slice_new0 (DimmedState);
 209         state->n_selected = 0;
 210         state->already_opened_msg = FALSE;
 211         state->any_marked_as_deleted = FALSE;
 212         state->all_marked_as_deleted = FALSE;
 213         state->any_marked_as_seen = FALSE;
 214         state->all_marked_as_seen = FALSE;
 215         state->any_marked_as_cached = FALSE;
 216         state->all_marked_as_cached = FALSE;
 217         state->any_has_attachments = FALSE;
 218         state->all_has_attachments = FALSE;
 219         state->sent_in_progress = FALSE;
 220
 221         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 222         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 223         flags = tny_header_get_flags (header);
 224
 225         /* Selected */
 226         state->n_selected++;
 227
 228         /* Mark as deleted */
 229         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 230         state->all_marked_as_deleted = all_deleted;
 231         if (!state->any_marked_as_deleted)
 232                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 233
 234         /* Mark as seen */
 235         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 236         state->all_marked_as_seen = all_seen;
 237         if (!state->any_marked_as_seen)
 238                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 239
 240         /* Mark as cached */
 241         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 242         state->all_marked_as_cached = all_cached;
 243         if (!state->any_marked_as_cached)
 244                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 245
 246         /* Mark has_attachments */
 247         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 248         state->all_has_attachments = all_has_attach;
 249         if (!state->any_has_attachments)
 250                 state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 251
 252         /* sent in progress */
 253         msg_uid = modest_tny_send_queue_get_msg_id (header);
 254         if (!state->sent_in_progress) {
 255                 cache_mgr = modest_runtime_get_cache_mgr ();
 256                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 257                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 258
 259                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 260
 261                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 262                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 263
 264                         /* Check if msg uid is being processed inside send queue */
 265                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 266                 }
 267                 state->sent_in_progress = found;
 268         }
 269
 270         /* Free */
 271         g_free(msg_uid);
 272         g_object_unref (header);
 273         g_slist_free (send_queues);
 274
 275         return state;
 276 }
 277
 278
 279 DimmedState *
 280 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 281 {
 282         DimmedState *state = NULL;
 283
 284         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 285
 286         if (MODEST_IS_MAIN_WINDOW (window))
 287                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 288         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 289                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 290         }
 291
 292         return state;
 293 }
 294
 295
 296 gboolean
 297 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 298 {
 299         ModestDimmingRule *rule = NULL;
 300         gboolean dimmed = FALSE;
 301
 302         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 303         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 304         rule = MODEST_DIMMING_RULE (user_data);
 305
 306         /* Check dimmed rule */
 307         if (!dimmed) {
 308                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 309                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 310                 if (dimmed)
 311                         modest_dimming_rule_set_notification (rule, "");
 312         }
 313
 314         return dimmed;
 315 }
 316
 317 gboolean
 318 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
 319 {
 320         ModestDimmingRule *rule = NULL;
 321         gboolean dimmed = FALSE;
 322
 323         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 324         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 325         rule = MODEST_DIMMING_RULE (user_data);
 326
 327         /* Check common new folder menu item dimming rules */
 328         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 329
 330         /* Check CSM specific dimming rules */
 331         if (!dimmed) {
 332                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 333                 if (dimmed)
 334                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 335         }
 336
 337         return dimmed;
 338 }
 339
 340 gboolean
 341 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 342 {
 343         ModestDimmingRule *rule = NULL;
 344         GtkWidget *folder_view = NULL;
 345         TnyFolderStore *parent_folder = NULL;
 346         gboolean dimmed = FALSE;
 347
 348         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 349         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 350         rule = MODEST_DIMMING_RULE (user_data);
 351
 352         /* Get selected folder as parent of new folder to create */
 353         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 354                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 355         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 356         if (!parent_folder)
 357                 return TRUE;
 358
 359         if (TNY_IS_ACCOUNT (parent_folder)) {
 360                 /* If it's the local account then do not dim */
 361                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 362                         dimmed = FALSE;
 363                 } else {
 364                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 365                         /* If it's POP then dim */
 366                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 367                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 368                         if (dimmed)
 369                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 370                 }
 371         } else {
 372                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 373
 374                 TnyFolderType types[3];
 375
 376                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 377                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 378                 types[2] = TNY_FOLDER_TYPE_SENT;
 379
 380                 /* Apply folder rules */
 381                 if (!dimmed) {
 382                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 383                         if (dimmed)
 384                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 385                 }
 386                 if (!dimmed) {
 387                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 388                         if (dimmed)
 389                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 390                 }
 391         }
 392         g_object_unref (parent_folder);
 393
 394         return dimmed;
 395 }
 396
 397 gboolean
 398 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 399 {
 400         ModestDimmingRule *rule = NULL;
 401         GtkWidget *folder_view = NULL;
 402         GtkWidget *header_view = NULL;
 403         gboolean dimmed = FALSE;
 404
 405         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 406         rule = MODEST_DIMMING_RULE (user_data);
 407
 408         if (MODEST_IS_MAIN_WINDOW (win)) {
 409                 /* Get the folder view */
 410                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 411                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 412
 413                 /* Get header view */
 414                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 415                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 416
 417                 if (header_view && gtk_widget_is_focus (header_view))
 418                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 419
 420                 if (folder_view && gtk_widget_is_focus (folder_view))
 421                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 422
 423                 if (header_view && folder_view &&
 424                     !gtk_widget_is_focus (header_view) &&
 425                     !gtk_widget_is_focus (folder_view)) {
 426                         dimmed = TRUE;
 427                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 428                 }
 429         } else {
 430                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 431         }
 432
 433         return dimmed;
 434 }
 435
 436
 437
 438 gboolean
 439 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 440 {
 441         ModestDimmingRule *rule = NULL;
 442         TnyFolderType types[6];
 443         gboolean dimmed = FALSE;
 444
 445         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 446         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 447         rule = MODEST_DIMMING_RULE (user_data);
 448
 449         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 450         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 451         types[2] = TNY_FOLDER_TYPE_SENT;
 452         types[3] = TNY_FOLDER_TYPE_INBOX;
 453         types[4] = TNY_FOLDER_TYPE_ROOT;
 454         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 455
 456
 457         /* Check dimmed rule */
 458         if (!dimmed) {
 459                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 460                 if (dimmed)
 461                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 462         }
 463         if (!dimmed) {
 464                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 465                 if (dimmed)
 466                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 467         }
 468         if (!dimmed) {
 469                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 470                 if (dimmed)
 471                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 472         }
 473         if (!dimmed) {
 474                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 475                 if (dimmed)
 476                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 477         }
 478
 479         return dimmed;
 480 }
 481
 482 gboolean
 483 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 484 {
 485         ModestDimmingRule *rule = NULL;
 486         gboolean dimmed = FALSE;
 487
 488         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 489         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 490         rule = MODEST_DIMMING_RULE (user_data);
 491
 492         /* Check dimmed rule */
 493         if (!dimmed) {
 494                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 495                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 496         }
 497
 498         if (!dimmed) {
 499                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 500                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 501         }
 502
 503         return dimmed;
 504
 505 }
 506
 507 gboolean
 508 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 509 {
 510         ModestDimmingRule *rule = NULL;
 511         TnyFolderType types[4];
 512         gboolean dimmed = FALSE;
 513
 514         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 515         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 516         rule = MODEST_DIMMING_RULE (user_data);
 517
 518         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 519         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 520         types[2] = TNY_FOLDER_TYPE_SENT;
 521         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 522
 523         /* Check dimmed rule */
 524         if (!dimmed) {
 525                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 526                 if (dimmed)
 527                         modest_dimming_rule_set_notification (rule, "");
 528         }
 529         if (!dimmed) {
 530                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 531                 if (dimmed)
 532                         modest_dimming_rule_set_notification (rule, "");
 533         }
 534         if (!dimmed) {
 535                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 536                 if (dimmed)
 537                         modest_dimming_rule_set_notification (rule, "");
 538         }
 539
 540         return dimmed;
 541 }
 542
 543 gboolean
 544 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 545 {
 546         ModestDimmingRule *rule = NULL;
 547         gboolean dimmed = FALSE;
 548         const DimmedState *state = NULL;
 549
 550         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 551         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 552         rule = MODEST_DIMMING_RULE (user_data);
 553         state = modest_window_get_dimming_state (win);
 554
 555         /* Check dimmed rule */
 556         if (!dimmed) {
 557                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 558         }
 559         if (!dimmed) {
 560                 dimmed = state->any_marked_as_deleted;
 561                 if (dimmed)
 562                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 563         }
 564         if (!dimmed) {
 565                 dimmed = _selected_msg_sent_in_progress (win);
 566                 if (dimmed)
 567                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 568         }
 569
 570         return dimmed;
 571 }
 572
 573 gboolean
 574 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 575 {
 576         ModestDimmingRule *rule = NULL;
 577         gboolean dimmed = FALSE;
 578         TnyFolderType types[3];
 579
 580         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 581         rule = MODEST_DIMMING_RULE (user_data);
 582
 583         /* main window dimming rules */
 584         if (MODEST_IS_MAIN_WINDOW(win)) {
 585
 586                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 587                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 588                 types[2] = TNY_FOLDER_TYPE_ROOT;
 589
 590                 /* Check dimmed rule */
 591                 if (!dimmed) {
 592                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 593                         if (dimmed)
 594                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 595                 }
 596                 if (!dimmed) {
 597                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 598                         if (dimmed)
 599                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 600                 }
 601                 if (!dimmed) {
 602                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 603                 }
 604         /* msg view window dimming rules */
 605         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 606
 607                 /* Check dimmed rule */
 608                 if (!dimmed) {
 609                         dimmed = _transfer_mode_enabled (win);
 610                         if (dimmed)
 611                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 612                 }
 613                 if (!dimmed) {
 614                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 615                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 616                         if (dimmed)
 617                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 618                 }
 619         }
 620
 621         return dimmed;
 622 }
 623
 624
 625 gboolean
 626 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 627 {
 628         ModestDimmingRule *rule = NULL;
 629         gboolean dimmed = FALSE;
 630
 631         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 632         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 633         rule = MODEST_DIMMING_RULE (user_data);
 634
 635         /* Check dimmed rule */
 636         if (!dimmed) {
 637                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 638         }
 639         if (!dimmed) {
 640                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 641                 if (dimmed)
 642                         modest_dimming_rule_set_notification (rule, "");
 643         }
 644
 645         return dimmed;
 646 }
 647
 648 gboolean
 649 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 650 {
 651         gboolean dimmed = FALSE;
 652
 653         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 654
 655         /* Check dimmed rule */
 656         if (!dimmed)
 657                 dimmed = TRUE;
 658
 659         return dimmed;
 660 }
 661
 662 gboolean
 663 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 664 {
 665         ModestDimmingRule *rule = NULL;
 666         guint n_messages = 0;
 667         const DimmedState *state = NULL;
 668         gboolean dimmed = FALSE;
 669
 670         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 671         rule = MODEST_DIMMING_RULE (user_data);
 672         state = modest_window_get_dimming_state (win);
 673
 674         /* Check dimmed rule */
 675         if (MODEST_IS_MAIN_WINDOW (win)) {
 676                 if (!dimmed) {
 677                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 678                         if (dimmed)
 679                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 680                 }
 681                 if (!dimmed) {
 682                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 683                 }
 684                 if (!dimmed) {
 685                         dimmed = state->already_opened_msg;
 686                         n_messages = state->n_selected;
 687                         if (dimmed) {
 688                                 gchar *num = g_strdup_printf ("%d", n_messages);
 689                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 690                                 modest_dimming_rule_set_notification (rule, message);
 691                                 g_free(message);
 692                                 g_free(num);
 693                         }
 694
 695                 }
 696                 if (!dimmed) {
 697                         dimmed = state->any_marked_as_deleted;
 698                         if (dimmed) {
 699                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 700                         }
 701                 }
 702                 if (!dimmed) {
 703                         dimmed = state->sent_in_progress;
 704                         if (dimmed)
 705                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 706                 }
 707         }
 708         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 709                 if (!dimmed) {
 710                         dimmed = _transfer_mode_enabled (win);
 711                         if (dimmed)
 712                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 713                 }
 714                 if (!dimmed) {
 715                         dimmed = state->any_marked_as_deleted;
 716                         if (dimmed)
 717                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 718                 }
 719
 720                 /* Commented out, because deletion should be possible even when
 721                  * the message window has no header view model, which will be the
 722                  * case when it is not the selected message in the header view.
 723                  */
 724
 725                 if (!dimmed) {
 726                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 727                         if (dimmed) {
 728                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 729                         }
 730                 }
 731         }
 732
 733         return dimmed;
 734 }
 735
 736 gboolean
 737 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 738 {
 739         ModestDimmingRule *rule = NULL;
 740         GtkWidget *header_view = NULL;
 741         gboolean dimmed = FALSE;
 742
 743         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 744         rule = MODEST_DIMMING_RULE (user_data);
 745
 746         /* main window dimming rules */
 747         if (MODEST_IS_MAIN_WINDOW(win)) {
 748
 749                 /* Check dimmed rule */
 750                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 751                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 752
 753                 /* If the header view has the focus: */
 754                 if (header_view && gtk_widget_is_focus (header_view)) {
 755                         /* Check dimmed rule */
 756                         if (!dimmed)
 757                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 758                 }
 759                 else {
 760                         /* If the folder view has the focus: */
 761                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 762                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 763                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 764                                 TnyFolderStore *folder_store
 765                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 766                                 if (folder_store) {
 767                                         /* Only enable for folders, not accounts,
 768                                          * though the UI spec is not clear about that.
 769                                          * If we enable this for accounts then we must
 770                                          * add code to handle them in modest_ui_actions_on_details(). */
 771                                         if (!TNY_IS_FOLDER(folder_store)) {
 772                                                 dimmed = TRUE;
 773                                                 modest_dimming_rule_set_notification (rule, "");
 774                                         }
 775
 776                                         g_object_unref (folder_store);
 777                                 }
 778                         }
 779
 780                 }
 781
 782         /* msg view window dimming rules */
 783         } else {
 784
 785                 /* Check dimmed rule */
 786                 if (!dimmed) {
 787                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 788                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 789                         if (dimmed)
 790                                 modest_dimming_rule_set_notification (rule, "");
 791                 }
 792         }
 793
 794         return dimmed;
 795 }
 796
 797
 798 gboolean
 799 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 800 {
 801         ModestDimmingRule *rule = NULL;
 802         TnyHeaderFlags flags;
 803         const DimmedState *state = NULL;
 804         gboolean dimmed = FALSE;
 805
 806         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 807         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 808         rule = MODEST_DIMMING_RULE (user_data);
 809         state = modest_window_get_dimming_state (win);
 810
 811         flags = TNY_HEADER_FLAG_SEEN;
 812
 813         /* Check dimmed rule */
 814         if (!dimmed) {
 815                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 816         }
 817         if (!dimmed) {
 818                 dimmed = state->all_marked_as_seen;
 819                 if (dimmed)
 820                         modest_dimming_rule_set_notification (rule, "");
 821         }
 822
 823         return dimmed;
 824 }
 825
 826 gboolean
 827 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 828 {
 829         ModestDimmingRule *rule = NULL;
 830         TnyHeaderFlags flags;
 831         const DimmedState *state = NULL;
 832         gboolean dimmed = FALSE;
 833
 834         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 835         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 836         rule = MODEST_DIMMING_RULE (user_data);
 837         state = modest_window_get_dimming_state (win);
 838
 839         flags = TNY_HEADER_FLAG_SEEN;
 840
 841         /* Check dimmed rule */
 842         if (!dimmed)
 843                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 844         if (!dimmed) {
 845                 dimmed = !state->any_marked_as_seen;
 846                 if (dimmed)
 847                         modest_dimming_rule_set_notification (rule, "");
 848         }
 849
 850         return dimmed;
 851 }
 852
 853 gboolean
 854 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 855 {
 856         ModestDimmingRule *rule = NULL;
 857         gboolean dimmed = FALSE;
 858
 859         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 860         rule = MODEST_DIMMING_RULE (user_data);
 861
 862         if (MODEST_IS_MAIN_WINDOW (win))
 863                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 864         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 865                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 866
 867         return dimmed;
 868 }
 869
 870
 871 gboolean
 872 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 873 {
 874         GtkWidget *folder_view = NULL;
 875         ModestDimmingRule *rule = NULL;
 876         guint n_messages = 0;
 877         const DimmedState *state = NULL;
 878         gboolean dimmed = FALSE;
 879
 880         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 881         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 882         rule = MODEST_DIMMING_RULE (user_data);
 883         state = modest_window_get_dimming_state (win);
 884
 885         /* Get the folder view */
 886         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 887                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 888
 889
 890         /* Check diming rules for folders transfer  */
 891         if (gtk_widget_is_focus (folder_view)) {
 892                 TnyFolderType types[5];
 893
 894                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 895                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 896                 types[2] = TNY_FOLDER_TYPE_SENT;
 897                 types[3] = TNY_FOLDER_TYPE_ROOT;
 898                 types[4] = TNY_FOLDER_TYPE_INBOX;
 899
 900                 /* Apply folder rules */
 901                 if (!dimmed) {
 902                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 903                         if (dimmed)
 904                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 905                 }
 906                 if (!dimmed) {
 907                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 908                         if (dimmed)
 909                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 910                 }
 911         }
 912
 913         /* Check diming rules for messages transfer  */
 914         if (!dimmed) {
 915                 dimmed = state->already_opened_msg;
 916                 n_messages = state->n_selected;
 917                 if (dimmed) {
 918                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 919                         modest_dimming_rule_set_notification (rule, message);
 920                         g_free(message);
 921                 }
 922         }
 923         if (!dimmed) {
 924                 if (!gtk_widget_is_focus (folder_view))
 925                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 926
 927         }
 928
 929         return dimmed;
 930 }
 931
 932 gboolean
 933 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 934 {
 935         ModestDimmingRule *rule = NULL;
 936         gboolean dimmed = FALSE;
 937
 938         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 939         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 940         rule = MODEST_DIMMING_RULE (user_data);
 941
 942         /* Check dimmed rule */
 943         if (!dimmed) {
 944                 dimmed = _transfer_mode_enabled (win);
 945                 if (dimmed)
 946                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 947         }
 948         if (!dimmed) {
 949                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 950                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 951                 if (dimmed)
 952                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 953         }
 954
 955         return dimmed;
 956 }
 957
 958 gboolean
 959 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 960 {
 961         ModestDimmingRule *rule = NULL;
 962         gboolean dimmed = FALSE;
 963
 964         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 965         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 966         rule = MODEST_DIMMING_RULE (user_data);
 967
 968         /* Check dimmed rule */
 969         if (!dimmed) {
 970                 dimmed = _transfer_mode_enabled (win);
 971                 if (dimmed)
 972                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 973         }
 974
 975         return dimmed;
 976 }
 977
 978 gboolean
 979 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 980 {
 981         ModestDimmingRule *rule = NULL;
 982         TnyFolderType types[3];
 983         gboolean dimmed = FALSE;
 984
 985         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 986         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 987         rule = MODEST_DIMMING_RULE (user_data);
 988
 989         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 990         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 991         types[2] = TNY_FOLDER_TYPE_SENT;
 992
 993         /* Check dimmed rule */
 994         if (!dimmed) {
 995                 dimmed = _clipboard_is_empty (win);
 996                 if (dimmed)
 997                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 998         }
 999         if (!dimmed) {
1000                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1001                 if (dimmed)
1002                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
1003         }
1004         if (!dimmed) {
1005                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
1006                 if (dimmed) {
1007                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
1008                 }
1009         }
1010         if (!dimmed) {
1011                 dimmed = _selected_folder_is_same_as_source (win);
1012                 if (dimmed)
1013                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
1014         }
1015
1016         return dimmed;
1017 }
1018
1019
1020 gboolean
1021 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1022 {
1023         ModestDimmingRule *rule = NULL;
1024         gboolean dimmed = FALSE;
1025
1026         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1027         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1028         rule = MODEST_DIMMING_RULE (user_data);
1029
1030         /* Check dimmed rule */
1031         if (!dimmed) {
1032                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1033                 if (dimmed)
1034                         modest_dimming_rule_set_notification (rule, "");
1035         }
1036
1037         return dimmed;
1038 }
1039
1040 gboolean
1041 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1042 {
1043         ModestDimmingRule *rule = NULL;
1044         gboolean dimmed = FALSE;
1045
1046         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1047         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1048         rule = MODEST_DIMMING_RULE (user_data);
1049
1050         /* Check dimmed rule */
1051         if (!dimmed)
1052                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1053
1054         if (!dimmed) {
1055                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1056                 if (dimmed) {
1057                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1058                 }
1059         }
1060
1061         return dimmed;
1062 }
1063
1064 gboolean
1065 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1066 {
1067         ModestDimmingRule *rule = NULL;
1068         gboolean dimmed = FALSE;
1069
1070         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1071         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1072         rule = MODEST_DIMMING_RULE (user_data);
1073
1074         /* Check dimmed rule */
1075         if (!dimmed)
1076                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1077
1078         if (!dimmed) {
1079                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1080                 if (dimmed) {
1081                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1082                 }
1083         }
1084
1085         return dimmed;
1086 }
1087
1088 gboolean
1089 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1090 {
1091         ModestDimmingRule *rule = NULL;
1092         const DimmedState *state = NULL;
1093         gboolean dimmed = FALSE;
1094
1095         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1096         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1097         rule = MODEST_DIMMING_RULE (user_data);
1098         state = modest_window_get_dimming_state (win);
1099
1100         /* Check in main window if there's only one message selected */
1101         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1102                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1103         }
1104
1105         /* Check in view window if there's any attachment selected */
1106         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1107                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1108                 if (dimmed)
1109                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1110         }
1111
1112         /* cannot purge in editable drafts nor pop folders */
1113         if (!dimmed) {
1114                 dimmed = _invalid_folder_for_purge (win, rule);
1115         }
1116
1117         /* Check if the selected message in main window has attachments */
1118         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1119                 dimmed = state->any_has_attachments;
1120                 if (dimmed)
1121                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1122         }
1123
1124         /* Check if all attachments are already purged */
1125         if (!dimmed) {
1126                 dimmed = _purged_attach_selected (win, TRUE, rule);
1127         }
1128
1129         /* Check if the message is already downloaded */
1130         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1131                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1132                 if (dimmed)
1133                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1134         }
1135
1136
1137         return dimmed;
1138 }
1139
1140 gboolean
1141 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1142 {
1143         ModestDimmingRule *rule = NULL;
1144         gboolean dimmed = FALSE;
1145
1146         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1147         rule = MODEST_DIMMING_RULE (user_data);
1148
1149         /* Check dimmed rule */
1150         if (!dimmed) {
1151                 dimmed = _clipboard_is_empty (win);
1152                 if (dimmed)
1153                         modest_dimming_rule_set_notification (rule, "");
1154         }
1155
1156         return dimmed;
1157 }
1158
1159 gboolean
1160 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1161 {
1162         ModestDimmingRule *rule = NULL;
1163         gboolean dimmed = FALSE;
1164
1165         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1166         rule = MODEST_DIMMING_RULE (user_data);
1167
1168         /* Check common dimming rules */
1169         if (!dimmed) {
1170                 dimmed = _invalid_clipboard_selected (win, rule);
1171         }
1172
1173         /* Check window specific dimming rules */
1174         if (MODEST_IS_MAIN_WINDOW (win)) {
1175                 if (!dimmed) {
1176                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1177                         if (dimmed)
1178                                 modest_dimming_rule_set_notification (rule, "");
1179                 }
1180                 if (!dimmed) {
1181                         dimmed = _selected_msg_sent_in_progress (win);
1182                         if (dimmed)
1183                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1184                 }
1185         }
1186
1187         return dimmed;
1188 }
1189
1190 gboolean
1191 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1192 {
1193         ModestDimmingRule *rule = NULL;
1194         gboolean dimmed = FALSE;
1195
1196         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1197         rule = MODEST_DIMMING_RULE (user_data);
1198
1199         /* Check common dimming rules */
1200         if (!dimmed) {
1201                 dimmed = _invalid_clipboard_selected (win, rule);
1202         }
1203
1204         /* Check window specific dimming rules */
1205         if (MODEST_IS_MAIN_WINDOW (win)) {
1206                 if (!dimmed) {
1207                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1208                         if (dimmed)
1209                                 modest_dimming_rule_set_notification (rule, "");
1210                 }
1211                 if (!dimmed) {
1212                         dimmed = _selected_msg_sent_in_progress (win);
1213                         if (dimmed)
1214                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1215                 }
1216         }
1217
1218         return dimmed;
1219 }
1220
1221 gboolean
1222 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1223 {
1224         ModestDimmingRule *rule = NULL;
1225         gboolean dimmed = FALSE;
1226
1227         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1228         rule = MODEST_DIMMING_RULE (user_data);
1229
1230         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1231
1232         /* Check dimmed rule */
1233         if (!dimmed) {
1234                 dimmed = _transfer_mode_enabled (win);
1235                 if (dimmed)
1236                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1237         }
1238         if (!dimmed) {
1239                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
1240                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
1241                 modest_dimming_rule_set_notification (rule, NULL);
1242         }
1243
1244         return dimmed;
1245 }
1246
1247 gboolean
1248 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1249 {
1250         ModestDimmingRule *rule = NULL;
1251         gboolean dimmed = FALSE;
1252
1253         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1254         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1255         rule = MODEST_DIMMING_RULE (user_data);
1256
1257         /* Check dimmed rule */
1258         if (!dimmed) {
1259                 dimmed = _transfer_mode_enabled (win);
1260                 if (dimmed)
1261                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1262         }
1263         if (!dimmed) {
1264                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
1265                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1266                 modest_dimming_rule_set_notification (rule, NULL);
1267         }
1268
1269         return dimmed;
1270 }
1271
1272
1273 gboolean
1274 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1275 {
1276         const gboolean dimmed =
1277                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1278                         TRUE);
1279
1280         return dimmed;
1281 }
1282
1283 gboolean
1284 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1285 {
1286         ModestDimmingRule *rule = NULL;
1287         TnyFolderType types[1];
1288         guint n_messages = 0;
1289         const DimmedState *state = NULL;
1290         gboolean dimmed = FALSE;
1291
1292         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1293         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1294         rule = MODEST_DIMMING_RULE (user_data);
1295         state = modest_window_get_dimming_state (win);
1296
1297         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1298
1299         /* Check dimmed rules */
1300         if (!dimmed) {
1301                 dimmed = state->already_opened_msg;
1302                 n_messages = state->n_selected;
1303                 if (dimmed)
1304                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1305         }
1306         if (!dimmed) {
1307                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1308                 if (dimmed)
1309                         modest_dimming_rule_set_notification (rule, "");
1310         }
1311         if (!dimmed) {
1312                 dimmed = !_sending_in_progress (win);
1313                 if (dimmed)
1314                         modest_dimming_rule_set_notification (rule, "");
1315         }
1316
1317         return dimmed;
1318 }
1319
1320 gboolean
1321 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1322 {
1323         ModestDimmingRule *rule = NULL;
1324         gboolean dimmed = FALSE;
1325
1326         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1327         rule = MODEST_DIMMING_RULE (user_data);
1328
1329         /* Check dimmed rule */
1330         if (!dimmed) {
1331                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1332                                                           TRUE);
1333                 if (dimmed)
1334                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1335         }
1336
1337         return dimmed;
1338 }
1339
1340 gboolean
1341 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1342 {
1343         ModestDimmingRule *rule = NULL;
1344         gboolean dimmed = FALSE;
1345
1346         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1347         rule = MODEST_DIMMING_RULE (user_data);
1348
1349         /* Check dimmed rule */
1350         if (!dimmed) {
1351                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1352                 gchar *selection = NULL;
1353                 selection = gtk_clipboard_wait_for_text (clipboard);
1354
1355                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1356         }
1357
1358         return dimmed;
1359 }
1360
1361 /* *********************** static utility functions ******************** */
1362
1363
1364 static gboolean
1365 _selected_folder_not_writeable (ModestMainWindow *win)
1366 {
1367         GtkWidget *folder_view = NULL;
1368         TnyFolderStore *parent_folder = NULL;
1369         ModestTnyFolderRules rules;
1370         gboolean result = FALSE;
1371
1372         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1373
1374         /* Get folder view */
1375         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1376                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1377         /* If no folder view, always dimmed */
1378         if (!folder_view)
1379                 return TRUE;
1380
1381         /* Get selected folder as parent of new folder to create */
1382         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1383         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1384                 if (parent_folder)
1385                         g_object_unref (parent_folder);
1386                 return TRUE;
1387         }
1388
1389         /* Check dimmed rule */
1390         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1391         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1392
1393         /* free */
1394         g_object_unref (parent_folder);
1395
1396         return result;
1397 }
1398
1399 static gboolean
1400 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1401 {
1402         TnyFolderType types[2];
1403         gboolean result = FALSE;
1404
1405         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1406
1407         types[0] = TNY_FOLDER_TYPE_ROOT;
1408         types[1] = TNY_FOLDER_TYPE_INBOX;
1409
1410         /* Check folder type */
1411         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1412
1413         /* Check pop and MMC accounts */
1414         if (!result) {
1415                 result = _selected_folder_is_MMC_or_POP_root (win);
1416         }
1417
1418         return result;
1419 }
1420
1421
1422 static gboolean
1423 _selected_folder_is_root (ModestMainWindow *win)
1424 {
1425         TnyFolderType types[1];
1426         gboolean result = FALSE;
1427
1428         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1429
1430         /* All accounts are root items: */
1431         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1432                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1433         if (folder_view) {
1434                 gboolean is_account = FALSE;
1435                 TnyFolderStore *folder_store =
1436                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1437                 if (folder_store) {
1438                         is_account = TNY_IS_ACCOUNT (folder_store);
1439                         g_object_unref (folder_store);
1440                         folder_store = NULL;
1441                 }
1442
1443                 if (is_account)
1444                         return TRUE;
1445         }
1446
1447         /* Try something more precise: */
1448         types[0] = TNY_FOLDER_TYPE_ROOT;
1449
1450         /* Check folder type */
1451         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1452
1453         /* Check pop and MMC accounts */
1454         if (!result) {
1455                 result = _selected_folder_is_MMC_or_POP_root (win);
1456         }
1457
1458         return result;
1459 }
1460
1461 static gboolean
1462 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1463 {
1464         GtkWidget *folder_view = NULL;
1465         TnyFolderStore *parent_folder = NULL;
1466         gboolean result = FALSE;
1467
1468         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1469                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1470         /* Get selected folder as parent of new folder to create */
1471         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1472         if (!parent_folder)
1473                 return TRUE;
1474
1475         if (TNY_IS_ACCOUNT (parent_folder)) {
1476                 /* If it's the local account then do not dim */
1477                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1478                         result = FALSE;
1479                 } else {
1480                                 /* If it's the MMC root folder then dim it */
1481                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1482                                         result = TRUE;
1483                         } else {
1484                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1485                                 /* If it's POP then dim */
1486                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1487                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1488                         }
1489                 }
1490         }
1491         g_object_unref (parent_folder);
1492
1493         return result;
1494 }
1495
1496
1497 static gboolean
1498 _selected_folder_is_empty (ModestMainWindow *win)
1499 {
1500         GtkWidget *folder_view = NULL;
1501         TnyFolderStore *folder = NULL;
1502         gboolean result = FALSE;
1503
1504         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1505
1506         /* Get folder view */
1507         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1508                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1509         /* If no folder view, always dimmed */
1510         if (!folder_view)
1511                 return TRUE;
1512
1513         /* Get selected folder as parent of new folder to create */
1514         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1515         if (!(folder && TNY_IS_FOLDER(folder))) {
1516                 if (folder)
1517                         g_object_unref (folder);
1518                 return TRUE;
1519         }
1520
1521         /* Check folder type */
1522         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1523
1524         /* free */
1525         g_object_unref (folder);
1526
1527         return result;
1528 }
1529
1530 static gboolean
1531 _selected_folder_is_same_as_source (ModestWindow *win)
1532 {
1533         ModestEmailClipboard *clipboard = NULL;
1534         GtkWidget *folder_view = NULL;
1535         TnyFolderStore *folder = NULL;
1536         gboolean result = FALSE;
1537
1538         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1539
1540         /* Get folder view */
1541         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1542                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1543         if (!folder_view)
1544                 return FALSE;
1545
1546         /* Get selected folder as destination folder */
1547         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1548         if (!(folder && TNY_IS_FOLDER(folder))) {
1549                 result = FALSE;
1550                 goto frees;
1551         }
1552
1553         /* Check clipboard is cleared */
1554         clipboard = modest_runtime_get_email_clipboard ();
1555         if (modest_email_clipboard_cleared (clipboard)) {
1556                 result = FALSE;
1557                 goto frees;
1558         }
1559
1560         /* Check source folder */
1561         result = modest_email_clipboard_check_source_folder (clipboard,
1562                                                              (const TnyFolder *) folder);
1563
1564         /* Free */
1565  frees:
1566         g_object_unref (folder);
1567
1568         return result;
1569 }
1570
1571 static gboolean
1572 _selected_folder_is_any_of_type (ModestWindow *win,
1573                                  TnyFolderType types[],
1574                                  guint ntypes)
1575 {
1576         GtkWidget *folder_view = NULL;
1577         TnyFolderStore *folder = NULL;
1578         TnyFolderType folder_type;
1579         guint i=0;
1580         gboolean result = FALSE;
1581
1582         /*Get current folder */
1583         if (MODEST_IS_MAIN_WINDOW(win)) {
1584
1585                 /* Get folder view */
1586                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1587                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1588                 /* If no folder view, always dimmed */
1589                 if (!folder_view)
1590                         return FALSE;
1591
1592                 /* Get selected folder as parent of new folder to create */
1593                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1594
1595                 if (!(folder && TNY_IS_FOLDER(folder))) {
1596                         if (folder)
1597                                 g_object_unref (folder);
1598                         return FALSE;
1599                 }
1600
1601                 /* Check folder type */
1602                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1603         }
1604         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1605                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1606                 for (i=0; i < ntypes; i++) {
1607                         result = result || folder_type == types[i];
1608                 }
1609         }
1610
1611
1612         /* free */
1613         g_object_unref (folder);
1614
1615         return result;
1616 }
1617
1618 static gboolean
1619 _folder_is_any_of_type (TnyFolder *folder,
1620                         TnyFolderType types[],
1621                         guint ntypes)
1622 {
1623         TnyFolderType folder_type;
1624         gboolean result = FALSE;
1625         guint i;
1626
1627         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1628
1629         /* Get folder type */
1630         folder_type = modest_tny_folder_guess_folder_type (folder);
1631
1632         /* Check foler type */
1633         for (i=0; i < ntypes; i++) {
1634                 result = result || folder_type == types[i];
1635         }
1636
1637         return result;
1638 }
1639
1640 static gboolean
1641 _selected_folder_is_snd_level (ModestMainWindow *win)
1642 {
1643         GtkWidget *folder_view = NULL;
1644         GtkTreeSelection *sel = NULL;
1645         GtkTreeModel *model = NULL;
1646         GtkTreePath *path = NULL;
1647         GtkTreeIter iter;
1648         TnyFolderStore *folder = NULL;
1649         gboolean result = FALSE;
1650
1651         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1652
1653         /*Get curent folder */
1654         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1655                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1656         /* If no folder view, always dimmed */
1657         if (!folder_view)
1658                 goto frees;
1659
1660         /* Get selected folder as parent of new folder to create */
1661         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1662         if (!(folder && TNY_IS_FOLDER(folder))) {
1663                 goto frees;
1664         }
1665
1666         /* Check folder level */
1667         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1668         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1669                 goto frees;
1670         path = gtk_tree_model_get_path (model, &iter);
1671         result = gtk_tree_path_get_depth (path) > 2;
1672
1673  frees:
1674         if (folder != NULL)
1675                 g_object_unref (folder);
1676         if (path != NULL)
1677                 gtk_tree_path_free (path);
1678
1679         return result;
1680
1681 }
1682
1683 static gboolean
1684 _clipboard_is_empty (ModestWindow *win)
1685 {
1686         gboolean result = FALSE;
1687
1688         if (MODEST_IS_MAIN_WINDOW (win)) {
1689                 ModestEmailClipboard *clipboard = NULL;
1690                 clipboard = modest_runtime_get_email_clipboard ();
1691                 if (modest_email_clipboard_cleared (clipboard))
1692                  result = TRUE;
1693         }
1694
1695         return result;
1696 }
1697
1698 static gboolean
1699 _invalid_clipboard_selected (ModestWindow *win,
1700                        ModestDimmingRule *rule)
1701 {
1702         const DimmedState *state = NULL;
1703         gboolean result = FALSE;
1704
1705         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1706         state = modest_window_get_dimming_state (win);
1707
1708         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1709                 GtkClipboard *clipboard = NULL;
1710                 gchar *selection = NULL;
1711                 GtkWidget *focused = NULL;
1712
1713                 /* Get clipboard selection*/
1714                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1715                 selection = gtk_clipboard_wait_for_text (clipboard);
1716
1717                 /* Get focuesed widget */
1718                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1719
1720                 /* Check dimming */
1721                 result = ((selection == NULL) ||
1722                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1723
1724                 if (result)
1725                         modest_dimming_rule_set_notification (rule, "");
1726
1727                 if (selection != NULL)
1728                         g_free(selection);
1729         }
1730         else if (MODEST_IS_MAIN_WINDOW (win)) {
1731                 /* Check dimming */
1732                 result = state->n_selected == 0;
1733                 if (result)
1734                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1735         }
1736
1737         return result;
1738 }
1739
1740
1741 static gboolean
1742 _invalid_attach_selected (ModestWindow *win,
1743                           gboolean unique,
1744                           gboolean for_view,
1745                           gboolean for_remove,
1746                           ModestDimmingRule *rule)
1747 {
1748         GList *attachments, *node;
1749         gint n_selected;
1750         TnyHeaderFlags flags;
1751         gboolean nested_attachments = FALSE;
1752         gboolean selected_messages = FALSE;
1753         const DimmedState *state = NULL;
1754         gboolean result = FALSE;
1755
1756         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1757         state = modest_window_get_dimming_state (win);
1758
1759         if (MODEST_IS_MAIN_WINDOW (win)) {
1760                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1761                 if (!result)
1762                         result = !state->any_has_attachments;
1763         }
1764         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1765
1766                 /* Get selected atachments */
1767                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1768                 n_selected = g_list_length (attachments);
1769
1770                 /* Check unique */
1771                 if (!result) {
1772                         if (unique)
1773                                 result = n_selected != 1;
1774                         else
1775
1776                                 result = n_selected < 1;
1777                 }
1778
1779                 /* Check attached type (view operation not required) */
1780                 if (!result && !for_view)  {
1781                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1782                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1783                                 TnyList *nested_list = tny_simple_list_new ();
1784                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
1785                                         selected_messages = TRUE;
1786                                         result = TRUE;
1787                                 }
1788                                 tny_mime_part_get_parts (mime_part, nested_list);
1789                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1790                                         nested_attachments = TRUE;
1791                                         result = TRUE;
1792                                 }
1793                                 g_object_unref (nested_list);
1794                         }
1795                 }
1796
1797                 /* Set notifications */
1798                 if (result && rule != NULL) {
1799                         if (selected_messages) {
1800                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1801                         } else if (nested_attachments) {
1802                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1803                         } else if (n_selected == 0) {
1804                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1805                         } else if (unique) {
1806                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1807                         }
1808                 }
1809
1810                 /* Free */
1811                 g_list_free (attachments);
1812         }
1813
1814         return result;
1815 }
1816
1817 static gboolean
1818 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1819 {
1820         GList *attachments = NULL, *node;
1821         gint purged = 0;
1822         gint n_attachments = 0;
1823         gboolean result = FALSE;
1824
1825         /* This should check if _all_ the attachments are already purged. If only some
1826          * of them are purged, then it does not cause dim as there's a confirmation dialog
1827          * for removing only local attachments */
1828
1829         /* Get selected atachments */
1830         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1831                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1832         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1833                 /* If we're in main window, we won't know if there are already purged attachments */
1834                 return FALSE;
1835         }
1836
1837         if (attachments == NULL)
1838                 return FALSE;
1839
1840         for (node = attachments; node != NULL; node = g_list_next (node)) {
1841                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1842                 if (tny_mime_part_is_purged (mime_part)) {
1843                         purged++;
1844                 }
1845                 n_attachments++;
1846         }
1847
1848         /* Free */
1849         g_list_free (attachments);
1850
1851         if (all)
1852                 result = (purged == n_attachments);
1853         else
1854                 result = (purged > 0);
1855
1856         if (result && (rule != NULL))
1857                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1858
1859         return result;
1860 }
1861
1862 static gboolean
1863 _invalid_msg_selected (ModestMainWindow *win,
1864                        gboolean unique,
1865                        ModestDimmingRule *rule)
1866 {
1867         GtkWidget *folder_view = NULL;
1868         const DimmedState *state = NULL;
1869         gboolean result = FALSE;
1870
1871         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1872         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1873         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
1874
1875         /* Get folder view to check focus */
1876         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1877                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1878
1879         /* Check dimmed rule (TODO: check focus on widgets */
1880         if (!result) {
1881                 result = ((state->n_selected == 0 ) ||
1882                           (gtk_widget_is_focus (folder_view)));
1883                 if (result)
1884                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1885         }
1886         if (!result && unique) {
1887                 result = state->n_selected > 1;
1888                 if (result)
1889                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1890         }
1891
1892         return result;
1893 }
1894
1895
1896 static gboolean
1897 _msg_download_in_progress (ModestMsgViewWindow *win)
1898 {
1899         gboolean result = FALSE;
1900
1901         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1902
1903         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1904
1905         return result;
1906 }
1907
1908 static gboolean
1909 _msg_download_completed (ModestMainWindow *win)
1910 {
1911         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
1912         return state->any_marked_as_cached;
1913 }
1914
1915 static void
1916 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1917 {
1918         GSList **send_queues = (GSList **) userdata;
1919         *send_queues = g_slist_prepend (*send_queues, value);
1920 }
1921
1922 static gboolean
1923 _selected_msg_sent_in_progress (ModestWindow *win)
1924 {
1925         const DimmedState *state = modest_window_get_dimming_state (win);
1926         return state->sent_in_progress;
1927 }
1928
1929
1930 static gboolean
1931 _sending_in_progress (ModestWindow *win)
1932 {
1933         gboolean result = FALSE;
1934
1935         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1936
1937         /* Check if send operation is in progress */
1938         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1939
1940         return result;
1941 }
1942
1943 static gboolean
1944 _invalid_folder_for_purge (ModestWindow *win,
1945                            ModestDimmingRule *rule)
1946 {
1947         TnyMsg *msg = NULL;
1948         TnyFolder *folder = NULL;
1949         TnyAccount *account = NULL;
1950         gboolean result = FALSE;
1951
1952         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1953
1954                 /* Get folder and account of message */
1955                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1956                 g_return_val_if_fail(msg != NULL, TRUE);
1957                 folder = tny_msg_get_folder (msg);
1958                 if (folder == NULL) {
1959                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1960                         goto frees;
1961                 }
1962                 g_object_unref (msg);
1963         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1964                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1965                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1966                 if (!folder_view)
1967                         return FALSE;
1968                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1969                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1970                         goto frees;
1971         } else {
1972                 g_return_val_if_reached (FALSE);
1973         }
1974         account = modest_tny_folder_get_account (folder);
1975         if (account == NULL) goto frees;
1976
1977         /* Check account */
1978         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1979                 TnyFolderType types[2];
1980                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1981                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1982
1983                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1984                         result = TRUE;
1985                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1986                 } else {
1987                         /* We're currently disabling purge in any local store */
1988                         result = TRUE;
1989                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1990                 }
1991         } else {
1992                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1993                 /* If it's POP then dim */
1994                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1995                     MODEST_PROTOCOL_STORE_POP) {
1996                         GList *attachments = NULL;
1997                         gint n_selected = 0;
1998                         result = TRUE;
1999
2000                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2001                          * murrayc */
2002                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2003                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2004                                 n_selected = g_list_length (attachments);
2005                                 g_list_free (attachments);
2006                         }
2007
2008                         modest_dimming_rule_set_notification (rule,
2009                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2010                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2011                                                                         n_selected));
2012                 }
2013         }
2014
2015 frees:
2016         if (folder != NULL)
2017                 g_object_unref (folder);
2018         if (account != NULL)
2019                 g_object_unref (account);
2020
2021         return result;
2022 }
2023
2024 static gboolean
2025 _transfer_mode_enabled (ModestWindow *win)
2026 {
2027         gboolean result = FALSE;
2028
2029         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
2030
2031         /* Check dimming */
2032         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2033
2034         return result;
2035 }
2036