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-ui-actions.h"
  37 #include "modest-account-mgr-helpers.h"
  38 #include "modest-dimming-rule.h"
  39 #include "modest-debug.h"
  40 #include "modest-tny-folder.h"
  41 #include "modest-tny-account.h"
  42 #include "modest-tny-msg.h"
  43 #include "modest-tny-mime-part.h"
  44 #include "modest-text-utils.h"
  45 #include "widgets/modest-folder-view.h"
  46 #include "modest-address-book.h"
  47 #include <widgets/modest-attachments-view.h>
  48 #include <modest-runtime.h>
  49 #include <tny-simple-list.h>
  50 #include <tny-merge-folder.h>
  51 #include <widgets/modest-recpt-editor.h>
  52 #include <gtkhtml/gtkhtml.h>
  53 #include <modest-runtime.h>
  54 #ifdef MODEST_TOOLKIT_HILDON2
  55 #include <modest-header-window.h>
  56 #include <modest-folder-window.h>
  57 #endif
  58
  59
  60 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  61 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  62 static gboolean _invalid_attach_selected (ModestWindow *win,
  63                                           gboolean unique, gboolean for_view, gboolean for_remove,
  64                                           ModestDimmingRule *rule);
  65 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  66 static gboolean _clipboard_is_empty (ModestWindow *win);
  67 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  68 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  69 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  70 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  71 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  72 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  73 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  74 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  75 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  76 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  77 static gboolean _folder_view_has_focus (ModestWindow *win);
  78 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  79 static gboolean _msg_download_in_progress (ModestWindow *win);
  80 static gboolean _msg_download_completed (ModestMainWindow *win);
  81 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  82 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  83 static gboolean _transfer_mode_enabled (ModestWindow *win);
  84 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  85 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  86 static gboolean _send_receive_in_progress (ModestWindow *win);
  87 static gboolean _msgs_send_in_progress (void);
  88 static gboolean _all_msgs_in_sending_status (ModestHeaderView *header_view) G_GNUC_UNUSED;
  89 static gboolean _forbid_outgoing_xfers (ModestWindow *window);
  90
  91 static DimmedState *
  92 _define_main_window_dimming_state (ModestMainWindow *window)
  93 {
  94         DimmedState *state = NULL;
  95         GtkWidget *focused_widget = NULL;
  96         GtkWidget *header_view = NULL;
  97         GtkTreeModel *model = NULL;
  98         TnyList *selected_headers = NULL;
  99         TnyIterator *iter = NULL;
 100         TnyHeader *header = NULL;
 101         ModestCacheMgr *cache_mgr = NULL;
 102         GHashTable *send_queue_cache = NULL;
 103         ModestTnySendQueue *send_queue = NULL;
 104         GSList *send_queues = NULL, *node = NULL;
 105         ModestWindowMgr *mgr = NULL;
 106         gboolean found = FALSE;
 107         gchar *msg_uid = NULL;
 108         TnyHeaderFlags flags;
 109         gboolean all_deleted = TRUE;
 110         gboolean all_seen = TRUE;
 111         gboolean all_cached = TRUE;
 112         gboolean all_has_attach = TRUE;
 113         TnyFolder *folder = NULL;
 114
 115         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 116
 117         /* Init state */
 118         state = g_slice_new0 (DimmedState);
 119         state->n_selected = 0;
 120         state->already_opened_msg = 0;
 121         state->any_marked_as_deleted = FALSE;
 122         state->all_marked_as_deleted = FALSE;
 123         state->any_marked_as_seen = FALSE;
 124         state->all_marked_as_seen = FALSE;
 125         state->any_marked_as_cached = FALSE;
 126         state->all_marked_as_cached = FALSE;
 127         state->any_has_attachments = FALSE;
 128         state->all_has_attachments = FALSE;
 129         state->sent_in_progress = FALSE;
 130         state->all_selected = FALSE;
 131
 132         /* Get focused widget */
 133         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 134         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 135                 state->n_selected++;
 136                 return state;
 137         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 138                 header_view = focused_widget;
 139         } else {
 140                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 141         }
 142
 143         /* Get header view and selected headers */
 144         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 145         if (!selected_headers)
 146                 return state;
 147
 148         /* Examine selected headers */
 149         iter = tny_list_create_iterator (selected_headers);
 150         while (!tny_iterator_is_done (iter)) {
 151                 header = TNY_HEADER (tny_iterator_get_current (iter));
 152                 flags = tny_header_get_flags (header);
 153
 154                 /* No selected */
 155                 state->n_selected++;
 156
 157                 /* Already opened */
 158                 mgr = modest_runtime_get_window_mgr ();
 159                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 160                         state->already_opened_msg++;
 161
 162
 163                 /* Mark as deleted */
 164                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 165                 state->all_marked_as_deleted = all_deleted;
 166                 if (!state->any_marked_as_deleted)
 167                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 168
 169                 /* Mark as seen */
 170                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 171                 state->all_marked_as_seen = all_seen;
 172                 if (!state->any_marked_as_seen)
 173                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 174
 175                 /* Mark as cached */
 176                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 177                 state->all_marked_as_cached = all_cached;
 178                 if (!state->any_marked_as_cached)
 179                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 180
 181                 /* Mark has_attachments */
 182                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 183                 state->all_has_attachments = all_has_attach;
 184                 if (!state->any_has_attachments)
 185                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 186
 187                 /* sent in progress */
 188                 folder = tny_header_get_folder (header);
 189                 if (folder) {
 190                         if (modest_tny_folder_guess_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 191                                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 192                                 if (!state->sent_in_progress) {
 193                                         cache_mgr = modest_runtime_get_cache_mgr ();
 194                                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 195                                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 196
 197                                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 198
 199                                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 200                                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 201
 202                                                 /* Check if msg uid is being processed inside send queue */
 203                                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 204                                         }
 205                                         state->sent_in_progress = found;
 206                                 }
 207                         }
 208                         g_object_unref (folder);
 209                 }
 210                 tny_iterator_next (iter);
 211                 g_object_unref (header);
 212         }
 213
 214         /* check if all the headers are selected or not */
 215         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 216         if (model != NULL){
 217                 gint count;
 218                 count = gtk_tree_model_iter_n_children(model, NULL);
 219                 if(state->n_selected == count)
 220                         state->all_selected = TRUE;
 221         }
 222
 223         /* Free */
 224         g_free(msg_uid);
 225         g_object_unref(selected_headers);
 226         g_object_unref(iter);
 227         g_slist_free (send_queues);
 228
 229         return state;
 230 }
 231
 232 static DimmedState *
 233 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 234 {
 235         DimmedState *state = NULL;
 236         TnyHeader *header = NULL;
 237         ModestCacheMgr *cache_mgr = NULL;
 238         GHashTable *send_queue_cache = NULL;
 239         ModestTnySendQueue *send_queue = NULL;
 240         GSList *send_queues = NULL, *node = NULL;
 241         gboolean found = FALSE;
 242         gchar *msg_uid = NULL;
 243         TnyHeaderFlags flags;
 244         gboolean all_deleted = TRUE;
 245         gboolean all_seen = TRUE;
 246         gboolean all_cached = TRUE;
 247         gboolean all_has_attach = TRUE;
 248
 249         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 250
 251         /* Init state */
 252         state = g_slice_new0 (DimmedState);
 253         state->n_selected = 0;
 254         state->already_opened_msg = 0;
 255         state->any_marked_as_deleted = FALSE;
 256         state->all_marked_as_deleted = FALSE;
 257         state->any_marked_as_seen = FALSE;
 258         state->all_marked_as_seen = FALSE;
 259         state->any_marked_as_cached = FALSE;
 260         state->all_marked_as_cached = FALSE;
 261         state->any_has_attachments = FALSE;
 262         state->all_has_attachments = FALSE;
 263         state->sent_in_progress = FALSE;
 264
 265         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 266         if (header == NULL)
 267                 return state;
 268         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 269         flags = tny_header_get_flags (header);
 270
 271         /* Selected */
 272         state->n_selected++;
 273
 274         /* Mark as deleted */
 275         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 276         state->all_marked_as_deleted = all_deleted;
 277         if (!state->any_marked_as_deleted)
 278                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 279
 280         /* Mark as seen */
 281         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 282         state->all_marked_as_seen = all_seen;
 283         if (!state->any_marked_as_seen)
 284                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 285
 286         /* Mark as cached */
 287         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 288         state->all_marked_as_cached = all_cached;
 289         if (!state->any_marked_as_cached)
 290                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 291
 292         /* Mark has_attachments */
 293         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 294         state->all_has_attachments = all_has_attach;
 295         if (!state->any_has_attachments)
 296                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 297
 298         /* sent in progress */
 299         msg_uid = modest_tny_send_queue_get_msg_id (header);
 300         if (!state->sent_in_progress) {
 301                 cache_mgr = modest_runtime_get_cache_mgr ();
 302                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 303                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 304
 305                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 306
 307                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 308                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 309
 310                         /* Check if msg uid is being processed inside send queue */
 311                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 312                 }
 313                 state->sent_in_progress = found;
 314         }
 315
 316         /* Free */
 317         g_free(msg_uid);
 318         g_object_unref (header);
 319         g_slist_free (send_queues);
 320
 321         return state;
 322 }
 323
 324
 325 DimmedState *
 326 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 327 {
 328         DimmedState *state = NULL;
 329
 330         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 331
 332         if (MODEST_IS_MAIN_WINDOW (window))
 333                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 334         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 335                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 336         }
 337
 338         return state;
 339 }
 340
 341 gboolean
 342 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 343 {
 344         ModestDimmingRule *rule = NULL;
 345         gboolean dimmed = FALSE;
 346
 347         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 348         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 349         rule = MODEST_DIMMING_RULE (user_data);
 350
 351         /* Check dimmed rule */
 352         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 353 #ifndef MODEST_TOOLKIT_HILDON2
 354                 dimmed = _msg_download_in_progress (win);
 355                 if (dimmed)
 356                         modest_dimming_rule_set_notification (rule, "");
 357 #endif
 358         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 359                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 360                                                           TRUE);
 361                 if (dimmed)
 362                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 363         }
 364
 365         return dimmed;
 366 }
 367
 368 gboolean
 369 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 370 {
 371         ModestDimmingRule *rule = NULL;
 372         GtkWidget *folder_view = NULL;
 373         TnyFolderStore *parent_folder = NULL;
 374         gboolean dimmed = FALSE;
 375
 376         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 377         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 378         rule = MODEST_DIMMING_RULE (user_data);
 379
 380         dimmed = _transfer_mode_enabled (win);
 381         if (dimmed) {
 382                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 383                 return dimmed;
 384         }
 385
 386         /* Get selected folder as parent of new folder to create */
 387         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 388                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 389         if (!folder_view) /* folder view may not have been created yet */
 390                 return TRUE;
 391
 392         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 393         if (!parent_folder)
 394                 return TRUE;
 395
 396         if (TNY_IS_ACCOUNT (parent_folder)) {
 397                 /* If it's the local account then do not dim */
 398                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 399                         dimmed = FALSE;
 400                 } else {
 401                         ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (parent_folder));
 402                         if (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID) {
 403                                 ModestProtocolRegistry *protocol_registry;
 404
 405                                 protocol_registry = modest_runtime_get_protocol_registry ();
 406                                 /* If account does not support folders (pop) then dim */
 407                                 dimmed = (!modest_protocol_registry_protocol_type_has_tag (protocol_registry, protocol_type,
 408                                                                                            MODEST_PROTOCOL_REGISTRY_STORE_HAS_FOLDERS));
 409                                 if (dimmed)
 410                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 411                         }
 412                 }
 413         } else {
 414                 TnyFolderType types[3];
 415
 416                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 417                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 418                 types[2] = TNY_FOLDER_TYPE_SENT;
 419
 420                 /* Apply folder rules */
 421                 if (!dimmed) {
 422                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 423                         if (dimmed)
 424                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 425                 }
 426                 if (!dimmed) {
 427                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 428                         if (dimmed)
 429                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 430                 }
 431         }
 432
 433         /* if not the folder is selected then dim */
 434         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 435                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 436         if (folder_view && !gtk_widget_is_focus (folder_view))
 437                 dimmed = TRUE;
 438
 439         g_object_unref (parent_folder);
 440
 441         return dimmed;
 442 }
 443
 444 gboolean
 445 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 446 {
 447         ModestDimmingRule *rule = NULL;
 448         GtkWidget *folder_view = NULL;
 449         GtkWidget *header_view = NULL;
 450         gboolean dimmed = FALSE;
 451
 452         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 453         rule = MODEST_DIMMING_RULE (user_data);
 454
 455         if (MODEST_IS_MAIN_WINDOW (win)) {
 456                 /* Get the folder view */
 457                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 458                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 459
 460                 /* Get header view */
 461                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 462                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 463
 464                 if (header_view && gtk_widget_is_focus (header_view))
 465                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 466
 467                 if (folder_view && gtk_widget_is_focus (folder_view))
 468                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 469
 470                 if (header_view && folder_view &&
 471                     !gtk_widget_is_focus (header_view) &&
 472                     !gtk_widget_is_focus (folder_view)) {
 473                         dimmed = TRUE;
 474                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 475                 }
 476
 477 #ifdef MODEST_TOOLKIT_HILDON2
 478         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
 479                 dimmed = modest_ui_dimming_rules_on_folder_window_delete (win, user_data);
 480         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 481
 482                 if (!dimmed)
 483                         dimmed = _transfer_mode_enabled (win);
 484
 485                 if (dimmed)
 486                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 487
 488                 if (!dimmed) {
 489                         GtkWidget *header_view;
 490                         TnyFolder *folder;
 491
 492                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 493                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 494                         if (folder) {
 495                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
 496                                         modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
 497
 498                                 if (!dimmed &&
 499                                     (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
 500                                         dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
 501                                 }
 502                                 g_object_unref (folder);
 503                         }
 504                 }
 505
 506 #endif
 507         } else {
 508                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 509         }
 510
 511         return dimmed;
 512 }
 513
 514
 515
 516 gboolean
 517 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 518 {
 519         ModestDimmingRule *rule = NULL;
 520         TnyFolderType types[6];
 521         gboolean dimmed = FALSE;
 522
 523         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 524         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 525         rule = MODEST_DIMMING_RULE (user_data);
 526
 527         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 528         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 529         types[2] = TNY_FOLDER_TYPE_SENT;
 530         types[3] = TNY_FOLDER_TYPE_INBOX;
 531         types[4] = TNY_FOLDER_TYPE_ROOT;
 532         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 533
 534
 535         /* Check dimmed rule */
 536         dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 537         if (dimmed)
 538                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 539         if (!dimmed) {
 540                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 541                 if (dimmed)
 542                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 543         }
 544         if (!dimmed) {
 545                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 546                 if (dimmed)
 547                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 548         }
 549         if (!dimmed) {
 550                 dimmed = _transfer_mode_enabled (win);
 551                 if (dimmed)
 552                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 553         }
 554
 555         return dimmed;
 556 }
 557
 558 gboolean
 559 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 560 {
 561         ModestDimmingRule *rule = NULL;
 562         gboolean dimmed = FALSE;
 563
 564 #ifdef MODEST_TOOLKIT_HILDON2
 565         if (MODEST_IS_HEADER_WINDOW (win)) {
 566                 return FALSE;
 567         }
 568 #endif
 569
 570         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 571         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 572         rule = MODEST_DIMMING_RULE (user_data);
 573
 574         /* Check dimmed rule */
 575         dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 576
 577         if (!dimmed)
 578                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 579
 580         return dimmed;
 581
 582 }
 583
 584 gboolean
 585 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 586 {
 587         ModestDimmingRule *rule = NULL;
 588         TnyFolderType types[4];
 589         gboolean dimmed = FALSE;
 590
 591         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 592         rule = MODEST_DIMMING_RULE (user_data);
 593
 594         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 595         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 596         types[2] = TNY_FOLDER_TYPE_SENT;
 597         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 598
 599         /* Check dimmed rule */
 600         if (MODEST_IS_MAIN_WINDOW (win)) {
 601                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 602                 if (dimmed)
 603                         modest_dimming_rule_set_notification (rule, "");
 604                 if (!dimmed) {
 605                         dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 606                         if (dimmed)
 607                                 modest_dimming_rule_set_notification (rule, "");
 608                 }
 609         }
 610
 611 #ifdef MODEST_TOOLKIT_HILDON2
 612         if (MODEST_IS_FOLDER_WINDOW (win)) {
 613                 ModestFolderView *folder_view;
 614                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
 615                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
 616                                                                        MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE);
 617         }
 618 #endif
 619
 620         if (!dimmed) {
 621                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 622                 if (dimmed)
 623                         modest_dimming_rule_set_notification (rule, "");
 624         }
 625
 626         return dimmed;
 627 }
 628
 629 gboolean
 630 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 631 {
 632         ModestDimmingRule *rule = NULL;
 633         gboolean dimmed = FALSE;
 634         const DimmedState *state = NULL;
 635
 636         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 637         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 638         rule = MODEST_DIMMING_RULE (user_data);
 639         state = modest_window_get_dimming_state (win);
 640
 641         /* Check dimmed rule */
 642         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 643         if (!dimmed) {
 644                 dimmed = state->any_marked_as_deleted;
 645                 if (dimmed) {
 646                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 647                         modest_dimming_rule_set_notification (rule, msg);
 648                         g_free (msg);
 649                 }
 650         }
 651         if (!dimmed) {
 652                 dimmed = _selected_msg_sent_in_progress (win);
 653                 if (dimmed)
 654                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 655         }
 656
 657         return dimmed;
 658 }
 659
 660 gboolean
 661 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 662 {
 663         ModestDimmingRule *rule = NULL;
 664         gboolean dimmed = FALSE;
 665         TnyFolderType types[3];
 666
 667         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 668         rule = MODEST_DIMMING_RULE (user_data);
 669
 670         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 671         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 672         types[2] = TNY_FOLDER_TYPE_ROOT;
 673
 674         /* Check dimmed rule */
 675         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 676         if (dimmed)
 677                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 678
 679         /* main window dimming rules */
 680         if (MODEST_IS_MAIN_WINDOW(win)) {
 681
 682                 if (!dimmed) {
 683                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 684                         if (dimmed)
 685                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 686                 }
 687                 if (!dimmed) {
 688                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 689                 }
 690         /* msg view window dimming rules */
 691         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 692
 693                 /* This could happen if we load the msg view window with a
 694                    preview before loading the full message */
 695                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 696                 if (!msg) {
 697                         dimmed = TRUE;
 698                 } else {
 699                         g_object_unref (msg);
 700                 }
 701
 702                 if (!dimmed) {
 703                         dimmed = _transfer_mode_enabled (win);
 704                         if (dimmed)
 705                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 706                 }
 707                 if (!dimmed) {
 708                         dimmed = _msg_download_in_progress (win);
 709                         if (dimmed)
 710                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 711                 }
 712         }
 713
 714         return dimmed;
 715 }
 716
 717
 718 gboolean
 719 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 720 {
 721         ModestDimmingRule *rule = NULL;
 722         gboolean dimmed = FALSE;
 723
 724         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 725         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 726         rule = MODEST_DIMMING_RULE (user_data);
 727
 728         /* Check dimmed rule */
 729         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 730         if (!dimmed) {
 731                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 732                 if (dimmed)
 733                         modest_dimming_rule_set_notification (rule, "");
 734         }
 735
 736         return dimmed;
 737 }
 738
 739 gboolean
 740 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 741 {
 742         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 743
 744         return TRUE;
 745 }
 746
 747 static gboolean
 748 _message_already_sent (ModestMsgViewWindow *view_window)
 749 {
 750         TnyHeader *header;
 751         TnyFolder *folder;
 752         gboolean already_sent = FALSE;
 753
 754         header = modest_msg_view_window_get_header (view_window);
 755         if (header) {
 756                 folder = tny_header_get_folder (header);
 757                 if (folder) {
 758                         if (modest_tny_folder_guess_folder_type (folder) ==
 759                             TNY_FOLDER_TYPE_OUTBOX) {
 760                                 ModestTnySendQueueStatus status =
 761                                         modest_tny_all_send_queues_get_msg_status (header);
 762                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 763                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 764                                         already_sent = TRUE;
 765                         }
 766                         g_object_unref (folder);
 767                 }
 768                 g_object_unref (header);
 769         }
 770         return already_sent;
 771 }
 772
 773
 774 gboolean
 775 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 776 {
 777         ModestDimmingRule *rule = NULL;
 778         const DimmedState *state = NULL;
 779         gboolean dimmed = FALSE;
 780
 781         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 782         rule = MODEST_DIMMING_RULE (user_data);
 783         state = modest_window_get_dimming_state (win);
 784
 785         /* If we're in transfer mode then do not allow to delete messages */
 786         dimmed = _transfer_mode_enabled (win);
 787         if (dimmed) {
 788                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 789                 return dimmed;
 790         }
 791
 792         /* Check dimmed rule */
 793         if (MODEST_IS_MAIN_WINDOW (win)) {
 794                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 795                 if (dimmed)
 796                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 797                 if (!dimmed) {
 798                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 799                 }
 800                 if (!dimmed) {
 801                         dimmed = state->sent_in_progress;
 802                         if (dimmed)
 803                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 804                 }
 805                 if (!dimmed) {
 806                         dimmed = state->any_marked_as_deleted;
 807                         if (dimmed) {
 808                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 809                                 modest_dimming_rule_set_notification (rule, msg);
 810                                 g_free (msg);
 811                         }
 812                 }
 813                 if (!dimmed) {
 814                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 815                         if (dimmed) {
 816                                 gchar *message = NULL;
 817
 818                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"),
 819                                                           state->already_opened_msg);
 820                                 modest_dimming_rule_set_notification (rule, message);
 821                                 g_free(message);
 822                         }
 823
 824                 }
 825         }
 826         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 827                 /* This could happen if we load the msg view window with a
 828                    preview before loading the full message */
 829                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 830                 if (!msg) {
 831                         dimmed = TRUE;
 832                 } else {
 833                         g_object_unref (msg);
 834                 }
 835
 836                 if (!dimmed) {
 837                         dimmed = state->any_marked_as_deleted;
 838                         if (dimmed) {
 839                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 840                                 modest_dimming_rule_set_notification (rule, msg);
 841                                 g_free (msg);
 842                         }
 843                 }
 844                 if (!dimmed) {
 845                         dimmed = state->sent_in_progress;
 846                         if (dimmed)
 847                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 848                 }
 849
 850                 /* This could happen if we're viewing a message of the
 851                    outbox that has been already sent */
 852                 if (!dimmed)
 853                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 854
 855                 /* The delete button should be dimmed when viewing an attachment,
 856                  * but should be enabled when viewing a message from the list,
 857                  * or when viewing a search result.
 858                  */
 859                 if (!dimmed) {
 860                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 861                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 862                                 if (dimmed) {
 863                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 864                                 }
 865                         }
 866                 }
 867         }
 868
 869         return dimmed;
 870 }
 871
 872 gboolean
 873 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 874 {
 875         ModestDimmingRule *rule = NULL;
 876         GtkWidget *header_view = NULL;
 877         gboolean dimmed = FALSE;
 878
 879         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 880         rule = MODEST_DIMMING_RULE (user_data);
 881
 882         /* main window dimming rules */
 883         if (MODEST_IS_MAIN_WINDOW(win)) {
 884
 885                 /* Check dimmed rule */
 886                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 887                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 888
 889                 /* If the header view has the focus: */
 890                 if (header_view && gtk_widget_is_focus (header_view)) {
 891                         /* Check dimmed rule */
 892                         if (!dimmed)
 893                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 894                 }
 895                 else {
 896                         /* If the folder view has the focus: */
 897                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 898                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 899                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 900                                 TnyFolderStore *folder_store
 901                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 902                                 if (folder_store) {
 903                                         /* Only enable for folders, not accounts,
 904                                          * though the UI spec is not clear about that.
 905                                          * If we enable this for accounts then we must
 906                                          * add code to handle them in modest_ui_actions_on_details(). */
 907                                         if (!TNY_IS_FOLDER(folder_store)) {
 908                                                 dimmed = TRUE;
 909                                                 modest_dimming_rule_set_notification (rule, "");
 910                                         }
 911
 912                                         g_object_unref (folder_store);
 913                                 } else {
 914                                         dimmed = TRUE;
 915                                         modest_dimming_rule_set_notification (rule, "");
 916                                 }
 917                                 if (!dimmed) {
 918                                         dimmed = _msg_download_in_progress (win);
 919                                         if (dimmed)
 920                                                 modest_dimming_rule_set_notification (rule, "");
 921                                 }
 922
 923                         } else {
 924                                 return TRUE;
 925                         }
 926                 }
 927
 928         /* msg view window dimming rules */
 929         } else {
 930                 /* Check dimmed rule */
 931                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 932                         dimmed = _msg_download_in_progress (win);
 933                 if (dimmed)
 934                         modest_dimming_rule_set_notification (rule, "");
 935         }
 936
 937         return dimmed;
 938 }
 939
 940 gboolean
 941 modest_ui_dimming_rules_on_fetch_images (ModestWindow *win, gpointer user_data)
 942 {
 943         gboolean dimmed = FALSE;
 944
 945         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 946
 947         dimmed = !modest_msg_view_window_has_blocked_external_images (MODEST_MSG_VIEW_WINDOW (win));
 948
 949         return dimmed;
 950 }
 951
 952
 953 gboolean
 954 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 955 {
 956         ModestDimmingRule *rule = NULL;
 957         TnyHeader *header;
 958         TnyHeaderFlags flags;
 959         gboolean dimmed = FALSE;
 960
 961
 962         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 963         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 964         rule = MODEST_DIMMING_RULE (user_data);
 965
 966         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 967         if (!header) {
 968                 dimmed = TRUE;
 969         }
 970
 971         /* If the viewer is showing a message sent as attachment */
 972         if (!dimmed)
 973                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 974
 975         if (!dimmed) {
 976                 flags = tny_header_get_flags (header);
 977                 if (flags & TNY_HEADER_FLAG_SEEN)
 978                         dimmed = TRUE;
 979         }
 980
 981         if (header)
 982                 g_object_unref (header);
 983         return dimmed;
 984 }
 985
 986
 987 gboolean
 988 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 989 {
 990         ModestDimmingRule *rule = NULL;
 991         TnyHeader *header;
 992         TnyHeaderFlags flags;
 993         gboolean dimmed = FALSE;
 994
 995
 996         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 997         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 998         rule = MODEST_DIMMING_RULE (user_data);
 999
1000         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1001         if (!header) {
1002                 dimmed = TRUE;
1003         }
1004
1005         /* If the viewer is showing a message sent as attachment */
1006         if (!dimmed)
1007                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1008
1009         if (!dimmed) {
1010                 flags = tny_header_get_flags (header);
1011                 if (!(flags & TNY_HEADER_FLAG_SEEN))
1012                         dimmed = TRUE;
1013         }
1014
1015         if (header)
1016                 g_object_unref (header);
1017         return dimmed;
1018 }
1019
1020 gboolean
1021 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
1022 {
1023         ModestDimmingRule *rule = NULL;
1024         TnyHeaderFlags flags;
1025         const DimmedState *state = NULL;
1026         gboolean dimmed = FALSE;
1027
1028         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1029         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1030         rule = MODEST_DIMMING_RULE (user_data);
1031         state = modest_window_get_dimming_state (win);
1032
1033         flags = TNY_HEADER_FLAG_SEEN;
1034
1035         /* Check dimmed rule */
1036         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1037         if (!dimmed) {
1038                 dimmed = state->all_marked_as_seen;
1039                 if (dimmed)
1040                         modest_dimming_rule_set_notification (rule, "");
1041         }
1042
1043         return dimmed;
1044 }
1045
1046 gboolean
1047 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
1048 {
1049         ModestDimmingRule *rule = NULL;
1050         TnyHeaderFlags flags;
1051         const DimmedState *state = NULL;
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         state = modest_window_get_dimming_state (win);
1058
1059         flags = TNY_HEADER_FLAG_SEEN;
1060
1061         /* Check dimmed rule */
1062         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1063         if (!dimmed) {
1064                 dimmed = !state->any_marked_as_seen;
1065                 if (dimmed)
1066                         modest_dimming_rule_set_notification (rule, "");
1067         }
1068
1069         return dimmed;
1070 }
1071
1072 gboolean
1073 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
1074 {
1075         ModestDimmingRule *rule = NULL;
1076         gboolean dimmed = FALSE;
1077
1078         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1079         rule = MODEST_DIMMING_RULE (user_data);
1080
1081         if (MODEST_IS_MAIN_WINDOW (win))
1082                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
1083 #ifdef MODEST_TOOLKIT_HILDON2
1084         else if (MODEST_IS_HEADER_WINDOW (win))
1085                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
1086         else if (MODEST_IS_FOLDER_WINDOW (win))
1087                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
1088 #endif
1089         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
1090                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
1091
1092         return dimmed;
1093 }
1094
1095
1096 gboolean
1097 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
1098 {
1099         GtkWidget *folder_view = NULL;
1100         ModestDimmingRule *rule = NULL;
1101         const DimmedState *state = NULL;
1102         gboolean dimmed = FALSE;
1103
1104         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1105         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1106         rule = MODEST_DIMMING_RULE (user_data);
1107         state = modest_window_get_dimming_state (win);
1108
1109         /* Get the folder view */
1110         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1111                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1112
1113         if (folder_view) {
1114                 TnyFolderStore *selected = modest_folder_view_get_selected ((ModestFolderView *)folder_view);
1115                 if (selected) {
1116                         TnyAccount *account = NULL;
1117
1118                         if (TNY_IS_ACCOUNT (selected)) {
1119                                 account = g_object_ref (selected);
1120                         } else if (!TNY_IS_MERGE_FOLDER (selected)){
1121                                 account = tny_folder_get_account (TNY_FOLDER (selected));
1122                         }
1123                         if (account) {
1124                                 ModestProtocolType protocol_type;
1125
1126                                 protocol_type = modest_tny_account_get_protocol_type (account);
1127                                 dimmed  = modest_protocol_registry_protocol_type_has_tag
1128                                         (modest_runtime_get_protocol_registry (),
1129                                          protocol_type,
1130                                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
1131
1132                                 g_object_unref (account);
1133                         }
1134                         g_object_unref (selected);
1135                 }
1136         }
1137
1138         /* Check diming rules for folders transfer  */
1139         if (!dimmed && folder_view && gtk_widget_is_focus (folder_view)) {
1140                 TnyFolderType types[5];
1141
1142                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1143                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1144                 types[2] = TNY_FOLDER_TYPE_SENT;
1145                 types[3] = TNY_FOLDER_TYPE_ROOT;
1146                 types[4] = TNY_FOLDER_TYPE_INBOX;
1147
1148                 /* Apply folder rules */
1149                 dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
1150                 if (dimmed)
1151                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1152                 if (!dimmed) {
1153                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
1154                         if (dimmed)
1155                                 modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1156                 }
1157         }
1158
1159         /* Check diming rules for messages transfer  */
1160         if (!dimmed) {
1161                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1162                 if (dimmed) {
1163                         gchar *message = g_strdup_printf(_("emev_nc_unabletomove_items"),
1164                                                          state->already_opened_msg);
1165                         modest_dimming_rule_set_notification (rule, message);
1166                         g_free(message);
1167                 }
1168         }
1169         if (!dimmed) {
1170                 if (!(folder_view && gtk_widget_is_focus (folder_view)))
1171                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1172
1173         }
1174         if (!dimmed) {
1175                 dimmed = _selected_msg_sent_in_progress (win);
1176                 if (dimmed)
1177                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
1178         }
1179
1180         return dimmed;
1181 }
1182
1183 static gboolean
1184 _forbid_outgoing_xfers (ModestWindow *window)
1185 {
1186         const gchar *account_name;
1187         TnyAccount *account;
1188         gboolean dimmed = FALSE;
1189
1190         account_name = modest_window_get_active_account (window);
1191         account = modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1192                                                                account_name,
1193                                                                TNY_ACCOUNT_TYPE_STORE);
1194
1195         if (account) {
1196                 ModestProtocolType protocol_type;
1197
1198                 protocol_type = modest_tny_account_get_protocol_type (account);
1199                 dimmed  = modest_protocol_registry_protocol_type_has_tag
1200                         (modest_runtime_get_protocol_registry (),
1201                          protocol_type,
1202                          MODEST_PROTOCOL_REGISTRY_STORE_FORBID_OUTGOING_XFERS);
1203
1204                 g_object_unref (account);
1205         }
1206         return dimmed;
1207 }
1208
1209 gboolean
1210 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
1211 {
1212         ModestDimmingRule *rule = NULL;
1213         gboolean dimmed = FALSE;
1214
1215         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1216         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1217         rule = MODEST_DIMMING_RULE (user_data);
1218
1219         /* This could happen if we load the msg view window with a
1220            preview before loading the full message */
1221         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1222         if (!msg) {
1223                 return TRUE;
1224         } else {
1225                 g_object_unref (msg);
1226         }
1227
1228         /* Check dimmed rule */
1229         dimmed = _transfer_mode_enabled (win);
1230         if (dimmed)
1231                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1232
1233         if (!dimmed)
1234                 dimmed = _forbid_outgoing_xfers (win);
1235
1236         if (!dimmed) {
1237                 dimmed = modest_window_get_dimming_state (win)->any_marked_as_deleted;
1238                 if (dimmed) {
1239                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
1240                         modest_dimming_rule_set_notification (rule, msg);
1241                         g_free (msg);
1242                 }
1243         }
1244
1245         if (!dimmed) {
1246                 dimmed = _selected_msg_sent_in_progress (win);
1247                 if (dimmed)
1248                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1249         }
1250
1251         /* This could happen if we're viewing a message of the outbox
1252            that has been already sent */
1253         if (!dimmed)
1254                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
1255
1256         if (!dimmed) {
1257                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1258                         /* The move_to button should be dimmed when viewing an attachment,
1259                          * but should be enabled when viewing a message from the list,
1260                          * or when viewing a search result.
1261                          */
1262                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1263                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1264                         }
1265                 }
1266                 if (dimmed)
1267                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1268         }
1269
1270         return dimmed;
1271 }
1272
1273 gboolean
1274 modest_ui_dimming_rules_on_find_in_msg (ModestWindow *win, gpointer user_data)
1275 {
1276         ModestDimmingRule *rule = NULL;
1277         gboolean dimmed = FALSE;
1278
1279         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1280         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1281         rule = MODEST_DIMMING_RULE (user_data);
1282
1283         /* This could happen if we load the msg view window with a
1284            preview before loading the full message */
1285         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1286                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1287                 if (!msg) {
1288                         return TRUE;
1289                 } else {
1290                         g_object_unref (msg);
1291                 }
1292         }
1293
1294         /* Check dimmed rule */
1295         dimmed = _transfer_mode_enabled (win);
1296         if (dimmed)
1297                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1298
1299         return dimmed;
1300 }
1301
1302 gboolean
1303 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1304 {
1305         ModestDimmingRule *rule = NULL;
1306         TnyFolderType types[3];
1307         gboolean dimmed = FALSE;
1308
1309         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1310         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1311         rule = MODEST_DIMMING_RULE (user_data);
1312
1313         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1314         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1315         types[2] = TNY_FOLDER_TYPE_SENT;
1316
1317         /* Check dimmed rule */
1318         dimmed = _clipboard_is_empty (win);
1319         if (dimmed)
1320                 modest_dimming_rule_set_notification (rule,
1321                                                       _CS("ecoc_ib_edwin_nothing_to_paste"));
1322         if (!dimmed) {
1323                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1324                 if (dimmed)
1325                         modest_dimming_rule_set_notification (rule,
1326                                                               _CS("ckct_ib_unable_to_paste_here"));
1327         }
1328         if (!dimmed) {
1329                 dimmed = !_folder_view_has_focus (win);
1330                 if (dimmed)
1331                         modest_dimming_rule_set_notification (rule,
1332                                         _CS("ckct_ib_unable_to_paste_here"));
1333         }
1334         if (!dimmed) {
1335                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1336                 if (dimmed)
1337                         modest_dimming_rule_set_notification (rule,
1338                                                               _CS("ckct_ib_unable_to_paste_here"));
1339         }
1340         if (!dimmed) {
1341                 dimmed = _selected_folder_is_same_as_source (win);
1342                 if (dimmed)
1343                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1344         }
1345         if (!dimmed) {
1346                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1347                 if (dimmed)
1348                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1349         }
1350
1351         return dimmed;
1352 }
1353
1354
1355 gboolean
1356 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1357 {
1358         ModestDimmingRule *rule = NULL;
1359         gboolean dimmed = FALSE;
1360         GtkWidget *focused = NULL;
1361
1362         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1363         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1364         rule = MODEST_DIMMING_RULE (user_data);
1365
1366         focused = gtk_window_get_focus (GTK_WINDOW (win));
1367
1368         /* Main window dimming rules */
1369         if (MODEST_IS_MAIN_WINDOW (win))
1370                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1371
1372         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1373                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1374
1375         if (!dimmed && GTK_IS_ENTRY (focused)) {
1376                 const gchar *current_text;
1377                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1378                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1379         }
1380
1381         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1382                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1383                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1384         }
1385
1386         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1387                 dimmed = FALSE;
1388         return dimmed;
1389 }
1390
1391 gboolean
1392 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1393 {
1394         ModestDimmingRule *rule = NULL;
1395         gboolean dimmed = FALSE;
1396
1397         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1398         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1399         rule = MODEST_DIMMING_RULE (user_data);
1400
1401         /* Check dimmed rule */
1402         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1403
1404         if (!dimmed) {
1405                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1406                 if (dimmed) {
1407                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1408                 }
1409         }
1410
1411         return dimmed;
1412 }
1413
1414 #ifdef MODEST_TOOLKIT_HILDON2
1415 static gboolean
1416 _not_valid_attachments (ModestWindow *win, gboolean save_not_remove)
1417 {
1418         gint n_attachments;
1419         TnyList *attachments;
1420         gboolean result = FALSE;
1421
1422         /* Get atachments */
1423         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1424         n_attachments = tny_list_get_length (attachments);
1425
1426         /* Check unique */
1427         if (!result) {
1428                 result = n_attachments < 1;
1429         }
1430
1431         /* Check attached type (view operation not required) */
1432         if (!result)  {
1433                 gint n_valid = 0;
1434
1435                 TnyIterator *iter;
1436                 iter = tny_list_create_iterator (attachments);
1437                 while (!tny_iterator_is_done (iter)) {
1438                         gboolean is_valid = TRUE;
1439                         TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
1440                         TnyList *nested_list = tny_simple_list_new ();
1441                         tny_mime_part_get_parts (mime_part, nested_list);
1442
1443                         if (tny_mime_part_is_purged (mime_part)) {
1444                                 is_valid = FALSE;
1445                         }
1446
1447                         if (is_valid && modest_tny_mime_part_is_msg (mime_part)) {
1448                                 TnyMsg *window_msg;
1449                                 window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1450                                 if (window_msg) {
1451                                         if (save_not_remove && (TnyMimePart *) window_msg != mime_part) {
1452                                                 is_valid = FALSE;
1453                                         }
1454                                         g_object_unref (window_msg);
1455                                 }
1456                                 if (is_valid && save_not_remove && tny_list_get_length (nested_list) > 0) {
1457                                         is_valid = FALSE;
1458                                 }
1459                         }
1460                         g_object_unref (nested_list);
1461                         g_object_unref (mime_part);
1462                         tny_iterator_next (iter);
1463
1464                         if (is_valid)
1465                                 n_valid++;
1466                 }
1467                 g_object_unref (iter);
1468                 result = (n_valid == 0);
1469         }
1470         g_object_unref (attachments);
1471         return result;
1472
1473 }
1474 #endif
1475
1476 gboolean
1477 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1478 {
1479         ModestDimmingRule *rule = NULL;
1480         gboolean dimmed = FALSE;
1481
1482         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1483         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1484         rule = MODEST_DIMMING_RULE (user_data);
1485
1486         /* Check dimmed rule */
1487
1488 #ifdef MODEST_TOOLKIT_HILDON2
1489         dimmed = _not_valid_attachments (win, TRUE);
1490 #else
1491         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1492
1493         if (!dimmed) {
1494                 dimmed = _purged_attach_selected (win, TRUE, NULL);
1495                 if (dimmed) {
1496                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1497                 }
1498         }
1499 #endif
1500         return dimmed;
1501 }
1502
1503 gboolean
1504 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1505 {
1506         ModestDimmingRule *rule = NULL;
1507         const DimmedState *state = NULL;
1508         gboolean dimmed = FALSE;
1509
1510         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1511         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1512         rule = MODEST_DIMMING_RULE (user_data);
1513         state = modest_window_get_dimming_state (win);
1514
1515         /* Check in main window if there's only one message selected */
1516         if (MODEST_IS_MAIN_WINDOW (win)) {
1517                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1518         }
1519
1520         /* Check in view window if there's any attachment selected */
1521         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1522                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1523                 if (dimmed)
1524                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1525         }
1526
1527         if (!dimmed) {
1528
1529                 dimmed = _selected_msg_sent_in_progress (win);
1530                 if (dimmed) {
1531                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1532                 }
1533         }
1534
1535         /* cannot purge in editable drafts nor pop folders */
1536         if (!dimmed) {
1537                 dimmed = _invalid_folder_for_purge (win, rule);
1538                 if (dimmed)
1539                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1540         }
1541
1542         /* Check if the selected message in main window has attachments */
1543         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1544                 dimmed = !(state->any_has_attachments);
1545                 if (dimmed)
1546                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1547         }
1548
1549         /* Check if all attachments are already purged */
1550         if (!dimmed) {
1551                 dimmed = _purged_attach_selected (win, TRUE, rule);
1552         }
1553
1554         /* Check if the message is already downloaded */
1555         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1556                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1557                 if (dimmed)
1558                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1559         }
1560
1561         return dimmed;
1562 }
1563
1564 gboolean
1565 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1566 {
1567         ModestDimmingRule *rule = NULL;
1568         gboolean dimmed = FALSE;
1569
1570         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1571         rule = MODEST_DIMMING_RULE (user_data);
1572
1573         /* Check dimmed rule */
1574         if (MODEST_IS_MAIN_WINDOW (win)) {
1575                 dimmed = _clipboard_is_empty (win);
1576                 if (dimmed)
1577                         modest_dimming_rule_set_notification (rule, "");
1578         }
1579
1580         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1581                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1582         }
1583
1584         return dimmed;
1585 }
1586
1587 gboolean
1588 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1589 {
1590         ModestDimmingRule *rule = NULL;
1591         gboolean dimmed = FALSE;
1592
1593         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1594         rule = MODEST_DIMMING_RULE (user_data);
1595
1596         /* Check dimmed rule */
1597         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1598                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1599         }
1600
1601         return dimmed;
1602 }
1603
1604 gboolean
1605 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1606 {
1607         ModestDimmingRule *rule = NULL;
1608         const DimmedState *state = NULL;
1609         gboolean dimmed = FALSE;
1610
1611         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1612         rule = MODEST_DIMMING_RULE (user_data);
1613         state = modest_window_get_dimming_state (win);
1614
1615         /* Check common dimming rules */
1616         dimmed = _invalid_clipboard_selected (win, rule);
1617
1618         /* Check window specific dimming rules */
1619         if (MODEST_IS_MAIN_WINDOW (win)) {
1620                 /* Get focused widget */
1621                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1622
1623                 if (MODEST_IS_HEADER_VIEW (focused)) {
1624                         if (!dimmed) {
1625                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1626                                 if (dimmed)
1627                                         modest_dimming_rule_set_notification (rule, "");
1628                         }
1629                         if (!dimmed) {
1630                                 dimmed = _selected_msg_sent_in_progress (win);
1631                                 if (dimmed)
1632                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1633                         }
1634                         if (!dimmed) {
1635                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1636                                 if(dimmed)
1637                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1638                         }
1639                 }
1640                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1641                         TnyFolderType types[3];
1642
1643                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1644                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1645                         types[2] = TNY_FOLDER_TYPE_SENT;
1646
1647                         /* Apply folder rules */
1648                         if (!dimmed) {
1649                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1650                                 if (dimmed)
1651                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1652                         }
1653                         if (!dimmed) {
1654                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1655                                 if (dimmed)
1656                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1657                         }
1658                         if (!dimmed) {
1659                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1660                                 if (dimmed)
1661                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1662                         }
1663                 }
1664         }
1665
1666         return dimmed;
1667 }
1668
1669 gboolean
1670 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1671 {
1672         ModestDimmingRule *rule = NULL;
1673         const DimmedState *state = NULL;
1674         gboolean dimmed = FALSE;
1675
1676         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1677         rule = MODEST_DIMMING_RULE (user_data);
1678         state = modest_window_get_dimming_state (win);
1679
1680         /* Check common dimming rules */
1681         dimmed = _invalid_clipboard_selected (win, rule);
1682
1683         /* Check window specific dimming rules */
1684         if (MODEST_IS_MAIN_WINDOW (win)) {
1685                 /* Get focused widget */
1686                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1687
1688                 if (MODEST_IS_HEADER_VIEW (focused)) {
1689                         if (!dimmed) {
1690                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1691                                 if (dimmed)
1692                                         modest_dimming_rule_set_notification (rule, "");
1693                         }
1694                         if (!dimmed) {
1695                                 dimmed = _selected_msg_sent_in_progress (win);
1696                                 if (dimmed)
1697                                         modest_dimming_rule_set_notification (rule, _(""));
1698                         }
1699                         if (!dimmed) {
1700                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1701                                 if(dimmed)
1702                                         modest_dimming_rule_set_notification (rule, _(""));
1703                         }
1704                 }
1705                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1706                         TnyFolderType types[3];
1707
1708                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1709                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1710                         types[2] = TNY_FOLDER_TYPE_SENT;
1711
1712                         if (!dimmed) {
1713                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1714                                 if (dimmed)
1715                                         modest_dimming_rule_set_notification (rule, _(""));
1716                         }
1717                         if (!dimmed) {
1718                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1719                                 if (dimmed)
1720                                         modest_dimming_rule_set_notification (rule, _(""));
1721                         }
1722                 }
1723         }
1724
1725         return dimmed;
1726 }
1727
1728 gboolean
1729 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1730 {
1731         ModestDimmingRule *rule = NULL;
1732         const DimmedState *state = NULL;
1733         gboolean dimmed = FALSE;
1734
1735         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1736         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1737         rule = MODEST_DIMMING_RULE (user_data);
1738         state = modest_window_get_dimming_state (win);
1739
1740
1741         /* Check common dimming rules */
1742         ModestMsgEditFormat format;
1743         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1744
1745         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1746         if (dimmed)
1747                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1748
1749         if (!dimmed) {
1750                 GtkWidget *body;
1751                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1752                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1753
1754                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1755                 if (dimmed)
1756                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1757         }
1758
1759
1760         return dimmed;
1761 }
1762
1763 gboolean
1764 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1765 {
1766         ModestDimmingRule *rule = NULL;
1767         const DimmedState *state = NULL;
1768         gboolean dimmed = FALSE;
1769
1770         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1771         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1772         rule = MODEST_DIMMING_RULE (user_data);
1773         state = modest_window_get_dimming_state (win);
1774
1775         GtkWidget *body;
1776         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1777                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1778
1779         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1780         if (dimmed)
1781                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1782
1783         return dimmed;
1784 }
1785
1786 gboolean
1787 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1788 {
1789         ModestDimmingRule *rule = NULL;
1790         const DimmedState *state = NULL;
1791         gboolean dimmed = FALSE;
1792         GtkWidget *focused = NULL;
1793
1794         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1795         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1796         rule = MODEST_DIMMING_RULE (user_data);
1797         state = modest_window_get_dimming_state (win);
1798
1799         focused = gtk_window_get_focus (GTK_WINDOW (win));
1800
1801         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1802
1803         if (!dimmed) {
1804                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1805         }
1806
1807         if (!dimmed) {
1808                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1809                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1810
1811                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1812                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1813         }
1814
1815         return dimmed;
1816 }
1817
1818 gboolean
1819 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1820 {
1821         ModestDimmingRule *rule = NULL;
1822         const DimmedState *state = NULL;
1823         gboolean dimmed = FALSE;
1824         TnyList *selected_attachments = NULL;
1825         gint n_att_selected = 0;
1826         GtkWidget *attachments_view;
1827
1828         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1829         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1830         rule = MODEST_DIMMING_RULE (user_data);
1831         state = modest_window_get_dimming_state (win);
1832
1833         attachments_view = modest_msg_edit_window_get_child_widget (
1834                                                                     MODEST_MSG_EDIT_WINDOW (win),
1835                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1836
1837 #ifdef MODEST_TOOLKIT_HILDON2
1838         selected_attachments = modest_attachments_view_get_attachments (
1839                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1840 #else
1841         selected_attachments = modest_attachments_view_get_selection (
1842                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1843 #endif
1844         n_att_selected = tny_list_get_length (selected_attachments);
1845         g_object_unref (selected_attachments);
1846
1847         dimmed = (n_att_selected < 1);
1848
1849         return dimmed;
1850 }
1851
1852 gboolean
1853 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1854 {
1855         ModestDimmingRule *rule = NULL;
1856         const DimmedState *state = NULL;
1857         gboolean dimmed = FALSE;
1858         GtkWidget *subject_field, *body_field;
1859         const gchar *subject = NULL;
1860
1861         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1862         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1863         rule = MODEST_DIMMING_RULE (user_data);
1864         state = modest_window_get_dimming_state (win);
1865
1866         body_field = modest_msg_edit_window_get_child_widget (
1867                                                               MODEST_MSG_EDIT_WINDOW (win),
1868                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1869         subject_field = modest_msg_edit_window_get_child_widget (
1870                                                                  MODEST_MSG_EDIT_WINDOW (win),
1871                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1872         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1873
1874         dimmed = (subject == NULL || subject[0] == '\0');
1875         if (dimmed)
1876                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1877
1878         if (!dimmed) {
1879                 GtkWidget *to_field, *cc_field, *bcc_field;
1880                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1881                 cc_field = modest_msg_edit_window_get_child_widget (
1882                         MODEST_MSG_EDIT_WINDOW (win),
1883                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1884                 to_field = modest_msg_edit_window_get_child_widget (
1885                         MODEST_MSG_EDIT_WINDOW (win),
1886                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1887                 bcc_field = modest_msg_edit_window_get_child_widget (
1888                         MODEST_MSG_EDIT_WINDOW (win),
1889                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1890                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1891                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1892                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1893
1894                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1895                            gtk_text_buffer_get_char_count (cc_buffer) +
1896                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1897                 if (dimmed)
1898                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1899         }
1900
1901         return dimmed;
1902 }
1903
1904 gboolean
1905 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1906 {
1907         ModestDimmingRule *rule = NULL;
1908         gboolean dimmed = FALSE;
1909
1910         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1911         rule = MODEST_DIMMING_RULE (user_data);
1912
1913         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1914
1915         /* Check dimmed rule */
1916         dimmed = _transfer_mode_enabled (win);
1917         if (dimmed)
1918                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1919
1920         if (!dimmed) {
1921                 dimmed = modest_msg_view_window_first_message_selected (
1922                                 MODEST_MSG_VIEW_WINDOW(win));
1923                 modest_dimming_rule_set_notification (rule, NULL);
1924         }
1925
1926         return dimmed;
1927 }
1928
1929 gboolean
1930 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1931 {
1932         ModestDimmingRule *rule = NULL;
1933         gboolean dimmed = FALSE;
1934
1935         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1936         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1937         rule = MODEST_DIMMING_RULE (user_data);
1938
1939         /* Check dimmed rule */
1940         dimmed = _transfer_mode_enabled (win);
1941         if (dimmed)
1942                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1943
1944         if (!dimmed) {
1945                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1946                 modest_dimming_rule_set_notification (rule, NULL);
1947         }
1948
1949         return dimmed;
1950 }
1951
1952
1953 gboolean
1954 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1955 {
1956         gboolean dimmed;
1957         ModestAccountMgr *mgr;
1958
1959         mgr = modest_runtime_get_account_mgr();
1960         dimmed = !modest_account_mgr_has_accounts(mgr, TRUE);
1961
1962         /* Dimm it if we only have metaaccounts */
1963         if (!dimmed) {
1964                 ModestProtocolRegistry *reg = modest_runtime_get_protocol_registry ();
1965                 GSList *account_names = modest_account_mgr_account_names (mgr, TRUE);
1966
1967                 if (account_names) {
1968                         ModestProtocolType store_protocol;
1969                         gboolean found = FALSE;
1970                         GSList *iter = account_names;
1971                         const gchar *tag = MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS;
1972
1973                         while (iter && !found) {
1974                                 gchar* account_name;
1975
1976                                 account_name = (gchar *) iter->data;
1977                                 store_protocol = modest_account_mgr_get_store_protocol (mgr, account_name);
1978
1979                                 if (!modest_protocol_registry_protocol_type_has_tag (reg, store_protocol, tag))
1980                                         found = TRUE;
1981                                 else
1982                                         iter = g_slist_next (iter);
1983                         }
1984                         modest_account_mgr_free_account_names (account_names);
1985                         dimmed = !found;
1986                 }
1987         }
1988
1989         return dimmed;
1990 }
1991
1992 gboolean
1993 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1994 {
1995         ModestDimmingRule *rule = NULL;
1996         TnyFolderType types[1];
1997         const DimmedState *state = NULL;
1998         gboolean dimmed = FALSE;
1999
2000         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2001         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2002         rule = MODEST_DIMMING_RULE (user_data);
2003         state = modest_window_get_dimming_state (win);
2004
2005         types[0] = TNY_FOLDER_TYPE_OUTBOX;
2006
2007         /* Check dimmed rules */
2008         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
2009         if (dimmed)
2010                 modest_dimming_rule_set_notification (rule, "");
2011         if (!dimmed) {
2012                 dimmed = !state->sent_in_progress;
2013                 if (dimmed)
2014                         modest_dimming_rule_set_notification (rule, "");
2015         }
2016
2017         return dimmed;
2018 }
2019
2020 gboolean
2021 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
2022 {
2023         /* We dim if no msg send is in progress (and then cancelling send all has no
2024          * effect */
2025         return !_msgs_send_in_progress ();
2026 }
2027
2028 gboolean
2029 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
2030 {
2031         ModestDimmingRule *rule = NULL;
2032         gboolean dimmed = FALSE;
2033         ModestAccountMgr *mgr;
2034         const gchar* account_name;
2035
2036         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2037         rule = MODEST_DIMMING_RULE (user_data);
2038         mgr = modest_runtime_get_account_mgr();
2039
2040         /* Check dimmed rule */
2041         account_name = modest_window_get_active_account (win);
2042
2043         if (account_name)
2044                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
2045         else
2046                 dimmed = TRUE;
2047
2048         if (dimmed)
2049                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
2050
2051         return dimmed;
2052 }
2053
2054 gboolean
2055 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
2056 {
2057         ModestDimmingRule *rule = NULL;
2058         gboolean dimmed = FALSE;
2059
2060         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2061         rule = MODEST_DIMMING_RULE (user_data);
2062
2063         /* Check dimmed rule */
2064         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
2065         if (g_slist_length (account_names) < 1)
2066                 dimmed = TRUE;
2067         if (dimmed)
2068                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
2069
2070         modest_account_mgr_free_account_names (account_names);
2071
2072         if (!dimmed) {
2073                 dimmed = _send_receive_in_progress (win);
2074         }
2075
2076         return dimmed;
2077 }
2078
2079 #ifdef MODEST_TOOLKIT_HILDON2
2080 gboolean
2081 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
2082 {
2083         TnyMsg *msg;
2084         GSList *recipients, *node;
2085         gboolean has_recipients_to_add;
2086
2087         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2088         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
2089
2090         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2091
2092         /* Message is loaded asynchronously, so this could happen */
2093         if (!msg) {
2094 #ifdef MODEST_TOOLKIT_HILDON2
2095                 TnyHeader *header;
2096
2097                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
2098                 if (!header)
2099                         return TRUE;
2100
2101                 recipients = modest_tny_msg_header_get_all_recipients_list (header);
2102                 g_object_unref (header);
2103 #else
2104                 return TRUE;
2105 #endif
2106         } else {
2107                 recipients = modest_tny_msg_get_all_recipients_list (msg);
2108                 g_object_unref (msg);
2109         }
2110
2111         has_recipients_to_add = FALSE;
2112         for (node = recipients; node != NULL; node = g_slist_next (node)) {
2113                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
2114                         has_recipients_to_add = TRUE;
2115                         break;
2116                 }
2117         }
2118
2119         g_slist_foreach (recipients, (GFunc) g_free, NULL);
2120         g_slist_free (recipients);
2121
2122         return !has_recipients_to_add;
2123 }
2124 #else
2125 gboolean
2126 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
2127 {
2128         ModestDimmingRule *rule = NULL;
2129         gboolean dimmed = FALSE;
2130         GtkWidget *focused = NULL;
2131
2132         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2133         rule = MODEST_DIMMING_RULE (user_data);
2134         focused = gtk_window_get_focus (GTK_WINDOW (win));
2135
2136         dimmed = !focused;
2137
2138         if (!dimmed) {
2139                 gchar *selection = NULL;
2140                 if (GTK_IS_TEXT_VIEW (focused)) {
2141                         GtkTextIter start, end;
2142                         GtkTextBuffer *buffer = NULL;
2143                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2144                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
2145                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2146                         }
2147                 } else if (GTK_IS_LABEL (focused)) {
2148                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
2149                 } else {
2150                         gboolean do_check = TRUE;
2151                         GtkClipboard *clipboard;
2152                         if (GTK_IS_HTML (focused)) {
2153                                 const gchar *sel;
2154                                 int len = -1;
2155                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2156                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
2157                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2158                                 do_check = FALSE;
2159                         }
2160                         if (do_check) {
2161                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2162                                 selection = gtk_clipboard_wait_for_text (clipboard);
2163                         } else {
2164                                 selection = NULL;
2165                         }
2166                 }
2167                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
2168         }
2169
2170         return dimmed;
2171 }
2172 #endif
2173
2174 /* *********************** static utility functions ******************** */
2175
2176
2177 static gboolean
2178 _selected_folder_not_writeable (ModestMainWindow *win,
2179                                 gboolean for_paste)
2180 {
2181         GtkWidget *folder_view = NULL;
2182         TnyFolderStore *parent_folder = NULL;
2183         ModestEmailClipboard *clipboard = NULL;
2184         ModestTnyFolderRules rules;
2185         gboolean is_local_acc = FALSE;
2186         gboolean xfer_folders = FALSE;
2187         gboolean result = FALSE;
2188
2189         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2190
2191         /* Get folder view */
2192         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2193                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2194         /* If no folder view, always dimmed */
2195         if (!folder_view)
2196                 return TRUE;
2197
2198         /* Get selected folder as parent of new folder to create */
2199         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2200         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2201                 /* If it's the local account and its transfering folders, then do not dim */
2202                 if (TNY_IS_ACCOUNT (parent_folder)) {
2203                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2204                         if (for_paste) {
2205                                 clipboard = modest_runtime_get_email_clipboard ();
2206                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2207                         }
2208                 }
2209
2210                 if (for_paste)
2211                         result = !(is_local_acc && xfer_folders);
2212                 else
2213                         result = !is_local_acc;
2214                 goto frees;
2215         }
2216
2217         /* Check dimmed rule */
2218         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2219         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2220
2221         /* free */
2222  frees:
2223         if (parent_folder != NULL)
2224                 g_object_unref (parent_folder);
2225
2226         return result;
2227 }
2228
2229 static gboolean
2230 _selected_folder_not_deletable (ModestMainWindow *win)
2231 {
2232         GtkWidget *folder_view = NULL;
2233         TnyFolderStore *parent_folder = NULL;
2234         ModestTnyFolderRules rules;
2235         gboolean result = FALSE;
2236
2237         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2238
2239         /* Get folder view */
2240         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2241                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2242         /* If no folder view, always dimmed */
2243         if (!folder_view)
2244                 return TRUE;
2245
2246         /* Get selected folder as parent of new folder to create */
2247         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2248         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2249                 result = TRUE;
2250                 goto frees;
2251         }
2252
2253         /* Check dimmed rule */
2254         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2255         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2256
2257         /* free */
2258  frees:
2259         if (parent_folder != NULL)
2260                 g_object_unref (parent_folder);
2261
2262         return result;
2263 }
2264
2265 static gboolean
2266 _selected_folder_not_moveable (ModestMainWindow *win)
2267 {
2268         GtkWidget *folder_view = NULL;
2269         TnyFolderStore *parent_folder = NULL;
2270         ModestTnyFolderRules rules;
2271         gboolean result = FALSE;
2272
2273         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2274
2275         /* Get folder view */
2276         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2277                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2278         /* If no folder view, always dimmed */
2279         if (!folder_view)
2280                 return TRUE;
2281
2282         /* Get selected folder as parent of new folder to create */
2283         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2284         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2285                 result = TRUE;
2286                 goto frees;
2287         }
2288
2289         /* Check dimmed rule */
2290         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2291         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2292
2293         /* free */
2294  frees:
2295         if (parent_folder != NULL)
2296                 g_object_unref (parent_folder);
2297
2298         return result;
2299 }
2300
2301 static gboolean
2302 _selected_folder_not_renameable (ModestMainWindow *win)
2303 {
2304         GtkWidget *folder_view = NULL;
2305         TnyFolderStore *parent_folder = NULL;
2306         ModestTnyFolderRules rules;
2307         gboolean result = FALSE;
2308
2309         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2310
2311         /* Get folder view */
2312         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2313                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2314         /* If no folder view, always dimmed */
2315         if (!folder_view)
2316                 return TRUE;
2317
2318         /* Get selected folder as parent of new folder to create */
2319         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2320         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2321                 result = TRUE;
2322                 goto frees;
2323         }
2324
2325         /* Check dimmed rule */
2326         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2327         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2328
2329         /* free */
2330  frees:
2331         if (parent_folder != NULL)
2332                 g_object_unref (parent_folder);
2333
2334         return result;
2335 }
2336
2337 static gboolean
2338 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2339 {
2340         TnyFolderType types[2];
2341         gboolean result = FALSE;
2342
2343         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2344
2345         types[0] = TNY_FOLDER_TYPE_ROOT;
2346         types[1] = TNY_FOLDER_TYPE_INBOX;
2347
2348         /* Check folder type */
2349         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2350
2351         /* Check pop and MMC accounts */
2352         if (!result) {
2353                 result = _selected_folder_is_root (win);
2354         }
2355
2356         return result;
2357 }
2358
2359
2360 static gboolean
2361 _selected_folder_is_root (ModestMainWindow *win)
2362 {
2363         TnyFolderType types[1];
2364         gboolean result = FALSE;
2365
2366         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2367
2368         /* All accounts are root items: */
2369         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2370                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2371         if (folder_view) {
2372                 gboolean is_account = FALSE;
2373                 TnyFolderStore *folder_store =
2374                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2375                 if (folder_store) {
2376                         is_account = TNY_IS_ACCOUNT (folder_store);
2377
2378                         g_object_unref (folder_store);
2379                         folder_store = NULL;
2380                 }
2381
2382                 if (is_account)
2383                         return TRUE;
2384         }
2385
2386         /* Try something more precise: */
2387         types[0] = TNY_FOLDER_TYPE_ROOT;
2388
2389         /* Check folder type */
2390         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2391
2392         return result;
2393 }
2394
2395 static gboolean
2396 _header_view_is_all_selected (ModestMainWindow *win)
2397 {
2398         const DimmedState *state = NULL;
2399
2400         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2401
2402         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2403
2404         return state->all_selected;
2405 }
2406
2407 static gboolean
2408 _selected_folder_is_empty (ModestMainWindow *win)
2409 {
2410         GtkWidget *folder_view = NULL, *header_view = NULL;
2411         TnyFolderStore *folder = NULL;
2412         gboolean result = FALSE;
2413
2414         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2415
2416         /* Get folder view */
2417         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2418                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2419
2420         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2421                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2422
2423         /* If no folder view, always dimmed */
2424         if (!folder_view || !header_view)
2425                 return TRUE;
2426
2427         /* Get selected folder as parent of new folder to create */
2428         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2429         if (!(folder && TNY_IS_FOLDER(folder))) {
2430                 if (folder)
2431                         g_object_unref (folder);
2432                 return TRUE;
2433         }
2434
2435         /* Check folder type */
2436         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2437             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2438                 result = TRUE;
2439
2440         /* free */
2441         g_object_unref (folder);
2442
2443         return result;
2444 }
2445
2446 static gboolean
2447 _folder_view_has_focus (ModestWindow *win)
2448 {
2449         GtkWidget *folder_view = NULL;
2450
2451         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2452
2453         /* Get folder view */
2454         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2455                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2456         if (!folder_view)
2457                 return FALSE;
2458
2459         if (gtk_widget_is_focus(folder_view))
2460                 return TRUE;
2461
2462         return FALSE;
2463 }
2464
2465 static gboolean
2466 _selected_folder_is_same_as_source (ModestWindow *win)
2467 {
2468         ModestEmailClipboard *clipboard = NULL;
2469         GtkWidget *folder_view = NULL;
2470         TnyFolderStore *folder = NULL;
2471         gboolean result = FALSE;
2472
2473         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2474
2475         /* Get folder view */
2476         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2477                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2478         if (!folder_view)
2479                 return FALSE;
2480
2481         /* Get selected folder as destination folder */
2482         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2483         if (!(folder && TNY_IS_FOLDER(folder))) {
2484                 result = FALSE;
2485                 goto frees;
2486         }
2487
2488         /* Check clipboard is cleared */
2489         clipboard = modest_runtime_get_email_clipboard ();
2490         if (modest_email_clipboard_cleared (clipboard)) {
2491                 result = FALSE;
2492                 goto frees;
2493         }
2494
2495         /* Check source folder */
2496         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2497
2498         /* Free */
2499  frees:
2500         g_object_unref (folder);
2501
2502         return result;
2503 }
2504
2505 static gboolean
2506 _selected_folder_is_any_of_type (ModestWindow *win,
2507                                  TnyFolderType types[],
2508                                  guint ntypes)
2509 {
2510         GtkWidget *folder_view = NULL;
2511         TnyFolderStore *folder = NULL;
2512         TnyFolderType folder_type;
2513         guint i=0;
2514         gboolean result = FALSE;
2515
2516         /*Get current folder */
2517         if (MODEST_IS_MAIN_WINDOW(win)) {
2518
2519                 /* Get folder view */
2520                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2521                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2522                 /* If no folder view, always dimmed */
2523                 if (!folder_view)
2524                         return FALSE;
2525
2526                 /* Get selected folder as parent of new folder to create */
2527                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2528
2529                 if (!(folder && TNY_IS_FOLDER(folder))) {
2530                         if (folder)
2531                                 g_object_unref (folder);
2532                         return FALSE;
2533                 }
2534
2535                 /* Check folder type */
2536                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2537         }
2538         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2539                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2540                 for (i=0; i < ntypes; i++) {
2541                         result = result || folder_type == types[i];
2542                 }
2543         }
2544
2545
2546         /* free */
2547         if (folder)
2548                 g_object_unref (folder);
2549
2550         return result;
2551 }
2552
2553 static gboolean
2554 _folder_is_any_of_type (TnyFolder *folder,
2555                         TnyFolderType types[],
2556                         guint ntypes)
2557 {
2558         TnyFolderType folder_type;
2559         gboolean result = FALSE;
2560         guint i;
2561
2562         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2563
2564         /* Get folder type */
2565         folder_type = modest_tny_folder_guess_folder_type (folder);
2566         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2567                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2568
2569         /* Check foler type */
2570         for (i=0; i < ntypes; i++) {
2571                 result = result || folder_type == types[i];
2572         }
2573
2574         return result;
2575 }
2576
2577 static gboolean
2578 _clipboard_is_empty (ModestWindow *win)
2579 {
2580         gboolean result = FALSE;
2581
2582         if (MODEST_IS_MAIN_WINDOW (win)) {
2583                 ModestEmailClipboard *clipboard = NULL;
2584                 clipboard = modest_runtime_get_email_clipboard ();
2585                 if (modest_email_clipboard_cleared (clipboard))
2586                  result = TRUE;
2587         }
2588
2589         return result;
2590 }
2591
2592 static gboolean
2593 _invalid_clipboard_selected (ModestWindow *win,
2594                              ModestDimmingRule *rule)
2595 {
2596         const DimmedState *state = NULL;
2597         gboolean result = FALSE;
2598         GtkWidget *focused = NULL;
2599
2600         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2601         state = modest_window_get_dimming_state (win);
2602         /* Get focuesed widget */
2603         focused = gtk_window_get_focus (GTK_WINDOW (win));
2604
2605         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2606                 gboolean has_selection = FALSE;
2607                 if (GTK_IS_TEXT_VIEW (focused)) {
2608                         GtkTextBuffer *buffer = NULL;
2609                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2610                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2611                 } else if (GTK_IS_EDITABLE (focused)) {
2612                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2613                 }
2614                 result = !has_selection;
2615         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2616                 if (focused) {
2617                         MODEST_DEBUG_BLOCK (g_debug ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2618                         if (GTK_IS_LABEL (focused) &&
2619                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2620                                 result = TRUE;
2621                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2622                                 GtkTextBuffer *buffer;
2623                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2624                                 result = !gtk_text_buffer_get_has_selection (buffer);
2625                         } else if (GTK_IS_HTML (focused)) {
2626                                 const gchar *sel;
2627                                 int len = -1;
2628                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2629                                 result = ((sel == NULL) || (sel[0] == '\0'));
2630                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2631                                 result = TRUE;
2632                         } else {
2633                                 GtkClipboard *clipboard;
2634                                 gchar *selection;
2635
2636                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2637                                 /* Get clipboard selection*/
2638                                 selection = gtk_clipboard_wait_for_text (clipboard);
2639                                 /* Check dimming */
2640                                 result = (selection == NULL);
2641                                 g_free (selection);
2642                         }
2643                 } else {
2644                         result = TRUE;
2645                 }
2646
2647                 if (result)
2648                         modest_dimming_rule_set_notification (rule, "");
2649
2650         }
2651         else if (MODEST_IS_MAIN_WINDOW (win)) {
2652                 /* Check dimming */
2653                 result = state->n_selected == 0;
2654                 if (result)
2655                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2656         }
2657
2658         return result;
2659 }
2660
2661
2662 static gboolean
2663 _invalid_attach_selected (ModestWindow *win,
2664                           gboolean unique,
2665                           gboolean for_view,
2666                           gboolean for_remove,
2667                           ModestDimmingRule *rule)
2668 {
2669         TnyList *attachments;
2670         gint n_selected;
2671         TnyHeaderFlags flags;
2672         gboolean nested_attachments = FALSE;
2673         gboolean selected_messages = FALSE;
2674         const DimmedState *state = NULL;
2675         gboolean result = FALSE;
2676
2677         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2678         state = modest_window_get_dimming_state (win);
2679
2680         if (MODEST_IS_MAIN_WINDOW (win)) {
2681                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2682                 if (!result)
2683                         result = !state->any_has_attachments;
2684         }
2685         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2686
2687                 /* Get selected atachments */
2688                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2689                 n_selected = tny_list_get_length (attachments);
2690
2691                 /* Check unique */
2692                 if (!result) {
2693                         if (unique)
2694                                 result = n_selected != 1;
2695                         else
2696
2697                                 result = n_selected < 1;
2698                 }
2699
2700                 /* Check attached type (view operation not required) */
2701                 if (!result && !for_view)  {
2702                         TnyIterator *iter;
2703                         iter = tny_list_create_iterator (attachments);
2704                         while (!tny_iterator_is_done (iter) && !result) {
2705 #ifdef MODEST_TOOLKIT_HILDON2
2706                                 gboolean not_selectable = FALSE;
2707 #endif
2708                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2709                                 TnyList *nested_list = tny_simple_list_new ();
2710                                 tny_mime_part_get_parts (mime_part, nested_list);
2711
2712                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
2713                                         TnyMsg *window_msg;
2714                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2715                                         if ((TnyMimePart *) window_msg != mime_part) {
2716                                                 selected_messages = TRUE;
2717 #ifdef MODEST_TOOLKIT_HILDON2
2718                                                 not_selectable = TRUE;
2719 #else
2720                                                 result = TRUE;
2721 #endif
2722                                         }
2723                                         g_object_unref (window_msg);
2724                                 }
2725                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2726                                         nested_attachments = TRUE;
2727 #ifdef MODEST_TOOLKIT_HILDON2
2728                                         not_selectable = TRUE;
2729 #else
2730                                         result = TRUE;
2731 #endif
2732                                 }
2733 #ifdef MODEST_TOOLKIT_HILDON2
2734                                 if (not_selectable)
2735                                         n_selected --;
2736 #endif
2737                                 g_object_unref (nested_list);
2738                                 g_object_unref (mime_part);
2739                                 tny_iterator_next (iter);
2740                         }
2741                         g_object_unref (iter);
2742                 }
2743
2744                 /* No valid attachment available */
2745                 if (n_selected == 0)
2746                         result = TRUE;
2747
2748                 /* Set notifications */
2749                 if (result && rule != NULL) {
2750                         if (selected_messages) {
2751                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2752                         } else if (nested_attachments) {
2753                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2754                         } else if (n_selected == 0) {
2755                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2756                         } else if (unique) {
2757                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2758                         }
2759                 }
2760
2761                 /* Free */
2762                 g_object_unref (attachments);
2763         }
2764
2765         return result;
2766 }
2767
2768 static gboolean
2769 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2770 {
2771         TnyList *attachments = NULL;
2772         TnyIterator *iter;
2773         gint purged = 0;
2774         gint n_attachments = 0;
2775         gboolean result = FALSE;
2776
2777         /* This should check if _all_ the attachments are already purged. If only some
2778          * of them are purged, then it does not cause dim as there's a confirmation dialog
2779          * for removing only local attachments */
2780
2781         /* Get selected atachments */
2782         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2783                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2784         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2785                 /* If we're in main window, we won't know if there are already purged attachments */
2786                 return FALSE;
2787         }
2788
2789         if (attachments == NULL)
2790                 return FALSE;
2791
2792         if (tny_list_get_length (attachments) == 0) {
2793                 g_object_unref (attachments);
2794                 return FALSE;
2795         }
2796
2797         iter = tny_list_create_iterator (attachments);
2798         while (!tny_iterator_is_done (iter)) {
2799                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2800                 if (tny_mime_part_is_purged (mime_part)) {
2801                         purged++;
2802                 }
2803                 n_attachments++;
2804                 g_object_unref (mime_part);
2805                 tny_iterator_next (iter);
2806         }
2807         g_object_unref (iter);
2808
2809         /* Free */
2810         g_object_unref (attachments);
2811
2812         if (all)
2813                 result = (purged == n_attachments);
2814         else
2815                 result = (purged > 0);
2816
2817         /* This string no longer exists, refer to NB#75415 for more info
2818         if (result && (rule != NULL))
2819                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2820         */
2821
2822         return result;
2823 }
2824
2825 static gboolean
2826 _invalid_msg_selected (ModestMainWindow *win,
2827                        gboolean unique,
2828                        ModestDimmingRule *rule)
2829 {
2830         GtkWidget *folder_view = NULL;
2831         const DimmedState *state = NULL;
2832         gboolean result = FALSE;
2833
2834         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2835         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2836         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2837
2838         /* Get folder view to check focus */
2839         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2840                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2841
2842         /* Check dimmed rule (TODO: check focus on widgets */
2843         if (!result) {
2844                 result = ((state->n_selected == 0 ) ||
2845                           (gtk_widget_is_focus (folder_view)));
2846                 if (result)
2847                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2848         }
2849         if (!result && unique) {
2850                 result = state->n_selected > 1;
2851                 if (result)
2852                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2853         }
2854
2855         return result;
2856 }
2857
2858
2859 static gboolean
2860 _msg_download_in_progress (ModestWindow *win)
2861 {
2862         gboolean result = FALSE;
2863
2864         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2865
2866         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2867                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2868         }
2869         else if (MODEST_IS_MAIN_WINDOW (win)) {
2870                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2871         }
2872
2873         return result;
2874 }
2875
2876 static gboolean
2877 _msg_download_completed (ModestMainWindow *win)
2878 {
2879         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2880         return state->any_marked_as_cached;
2881 }
2882
2883 static void
2884 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2885 {
2886         GSList **send_queues = (GSList **) userdata;
2887         *send_queues = g_slist_prepend (*send_queues, value);
2888 }
2889
2890 static gboolean
2891 _selected_msg_sent_in_progress (ModestWindow *win)
2892 {
2893         const DimmedState *state = modest_window_get_dimming_state (win);
2894         return state->sent_in_progress;
2895 }
2896
2897
2898 static gboolean
2899 _invalid_folder_for_purge (ModestWindow *win,
2900                            ModestDimmingRule *rule)
2901 {
2902         TnyFolder *folder = NULL;
2903         TnyAccount *account = NULL;
2904         gboolean result = FALSE;
2905
2906         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2907
2908                 /* Get folder and account of message */
2909                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2910                 g_return_val_if_fail(msg != NULL, TRUE);
2911                 folder = tny_msg_get_folder (msg);
2912                 g_object_unref (msg);
2913                 if (folder == NULL) {
2914                         result = TRUE;
2915                         goto frees;
2916                 }
2917         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2918                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2919                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2920                 if (!folder_view)
2921                         return FALSE;
2922                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2923                 /* Could be a folder store */
2924                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2925                         goto frees;
2926         } else {
2927                 g_return_val_if_reached (FALSE);
2928         }
2929         account = modest_tny_folder_get_account (folder);
2930         if (account == NULL) goto frees;
2931
2932         /* Check account */
2933         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2934                 TnyFolderType types[2];
2935                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2936                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2937
2938                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2939                         result = TRUE;
2940                 }
2941         } else {
2942                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2943                 /* If it's a remote folder then dim */
2944                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2945                                                                     protocol_type,
2946                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2947                         result = TRUE;
2948                 }
2949         }
2950
2951 frees:
2952         if (folder != NULL)
2953                 g_object_unref (folder);
2954         if (account != NULL)
2955                 g_object_unref (account);
2956
2957         return result;
2958 }
2959
2960 static gboolean
2961 _transfer_mode_enabled (ModestWindow *win)
2962 {
2963         gboolean result = FALSE;
2964
2965         /* Check dimming */
2966         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2967                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2968         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2969                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2970 #ifdef MODEST_TOOLKIT_HILDON2
2971         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
2972                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
2973         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2974                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2975 #endif
2976         } else {
2977                 g_warning("_transfer_mode_enabled called with wrong window type");
2978         }
2979
2980         return result;
2981 }
2982
2983 static gboolean
2984 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2985 {
2986         GtkWidget *folder_view = NULL;
2987         TnyFolderStore *folder = NULL;
2988         ModestEmailClipboard *clipboard = NULL;
2989         const gchar *folder_name = NULL;
2990         gboolean result = FALSE;
2991
2992         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2993
2994         /*Get current parent folder */
2995         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2996                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2997         /* If no folder view, always dimmed */
2998         if (!folder_view) return FALSE;
2999
3000         /* Get selected folder as parent of new folder to create */
3001         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
3002         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
3003
3004         /* get modest clipboard and source folder */
3005         clipboard = modest_runtime_get_email_clipboard ();
3006         folder_name = modest_email_clipboard_get_folder_name (clipboard);
3007         if (folder_name == NULL) goto frees;
3008
3009         /* Check source subfolders names */
3010         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
3011                                                             TRUE);
3012
3013         /* Free */
3014  frees:
3015         if (folder != NULL)
3016                 g_object_unref (folder);
3017
3018
3019         return result;
3020 }
3021
3022 static gboolean
3023 _all_msgs_in_sending_status (ModestHeaderView *header_view)
3024 {
3025         GtkTreeModel *model;
3026         GtkTreeIter iter;
3027         gboolean all_sending = TRUE;
3028
3029         model = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
3030         if (gtk_tree_model_get_iter_first (model, &iter)) {
3031                 do {
3032                         TnyHeader *header;
3033
3034                         gtk_tree_model_get (model, &iter,
3035                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
3036                                             &header,
3037                                             -1);
3038
3039                         if (header) {
3040                                 if (modest_tny_all_send_queues_get_msg_status (header) !=
3041                                     MODEST_TNY_SEND_QUEUE_SENDING)
3042                                         all_sending = FALSE;
3043                                 g_object_unref (header);
3044                         }
3045
3046                 } while (all_sending && gtk_tree_model_iter_next (model, &iter));
3047         }
3048         return all_sending;
3049 }
3050
3051 gboolean
3052 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
3053                                            gpointer user_data)
3054 {
3055         ModestDimmingRule *rule = NULL;
3056
3057         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
3058         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3059         rule = MODEST_DIMMING_RULE (user_data);
3060
3061         /* Check dimmed rule */
3062         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
3063 }
3064
3065 gboolean
3066 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
3067                                          gpointer user_data)
3068 {
3069         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
3070
3071         ModestMsgEditFormat format =
3072           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
3073
3074         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
3075 }
3076
3077 static gboolean
3078 _send_receive_in_progress (ModestWindow *win)
3079 {
3080         ModestMailOperationQueue *queue;
3081         GSList *op_list, *node;
3082         gboolean found_send_receive;
3083
3084         queue = modest_runtime_get_mail_operation_queue ();
3085         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
3086
3087         found_send_receive = FALSE;
3088         for (node = op_list; node != NULL; node = g_slist_next (node)) {
3089                 ModestMailOperation *op;
3090
3091                 op = (ModestMailOperation *) node->data;
3092                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
3093                         found_send_receive = TRUE;
3094                         break;
3095                 }
3096         }
3097
3098         if (op_list) {
3099                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
3100                 g_slist_free (op_list);
3101         }
3102
3103         return found_send_receive;
3104 }
3105
3106 static gboolean
3107 _msgs_send_in_progress (void)
3108 {
3109         ModestCacheMgr *cache_mgr;
3110         GHashTable *send_queue_cache;
3111         ModestTnySendQueue *send_queue;
3112         GSList *send_queues = NULL, *node = NULL;
3113         gboolean found = FALSE;
3114
3115         cache_mgr = modest_runtime_get_cache_mgr ();
3116         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
3117                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
3118
3119         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
3120
3121         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
3122                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
3123
3124                 /* Check if msg uid is being processed inside send queue */
3125                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
3126                         found = TRUE;
3127                         break;
3128                 }
3129         }
3130
3131         g_slist_free (send_queues);
3132
3133         return found;
3134 }
3135
3136 /*****************************************************************************/
3137 /********************** HILDON2 only dimming rules ***************************/
3138 /*****************************************************************************/
3139
3140 #ifdef MODEST_TOOLKIT_HILDON2
3141 gboolean
3142 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
3143 {
3144         ModestDimmingRule *rule = NULL;
3145         gboolean dimmed = FALSE;
3146
3147         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
3148         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3149         rule = MODEST_DIMMING_RULE (user_data);
3150
3151         /* Check dimmed rule */
3152         dimmed = _transfer_mode_enabled (win);
3153         if (dimmed)
3154                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
3155
3156         if (!dimmed)
3157                 dimmed = _forbid_outgoing_xfers (win);
3158
3159         if (!dimmed) {
3160                 GtkWidget *header_view;
3161                 TnyFolder *folder;
3162
3163                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
3164                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
3165                 if (folder) {
3166                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0) ||
3167                                 modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view));
3168
3169                         if (!dimmed &&
3170                             (tny_folder_get_folder_type (TNY_FOLDER (folder)) == TNY_FOLDER_TYPE_OUTBOX)) {
3171                                 dimmed = _all_msgs_in_sending_status (MODEST_HEADER_VIEW (header_view));;
3172                         }
3173                         g_object_unref (folder);
3174                 }
3175         }
3176
3177         return dimmed;
3178 }
3179
3180 gboolean
3181 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
3182 {
3183         ModestDimmingRule *rule = NULL;
3184         gboolean dimmed = FALSE;
3185
3186         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
3187         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3188         rule = MODEST_DIMMING_RULE (user_data);
3189
3190         /* Check dimmed rule */
3191         dimmed = _transfer_mode_enabled (win);
3192         if (dimmed)
3193                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
3194
3195         if (!dimmed)
3196                 dimmed = _forbid_outgoing_xfers (win);
3197
3198         if (MODEST_IS_FOLDER_WINDOW (win)) {
3199                 ModestFolderView *folder_view;
3200                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
3201                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
3202                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
3203         }
3204
3205         if (!dimmed) {
3206                 dimmed = _transfer_mode_enabled (win);
3207                 if (dimmed)
3208                         modest_dimming_rule_set_notification (rule, "");
3209         }
3210
3211         return dimmed;
3212 }
3213
3214 gboolean
3215 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
3216 {
3217         ModestDimmingRule *rule = NULL;
3218         gboolean dimmed = FALSE;
3219
3220         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
3221         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3222         rule = MODEST_DIMMING_RULE (user_data);
3223
3224         /* Check dimmed rule */
3225         dimmed = _transfer_mode_enabled (win);
3226         if (dimmed)
3227                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
3228
3229         if (MODEST_IS_FOLDER_WINDOW (win)) {
3230                 ModestFolderView *folder_view;
3231                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
3232                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
3233                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
3234         }
3235
3236         if (!dimmed) {
3237                 dimmed = _transfer_mode_enabled (win);
3238                 if (dimmed)
3239                         modest_dimming_rule_set_notification (rule, "");
3240         }
3241
3242         return dimmed;
3243 }
3244
3245 gboolean
3246 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
3247 {
3248         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
3249 }
3250 #endif