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-dimming-rule.h"
  38 #include "modest-debug.h"
  39 #include "modest-tny-folder.h"
  40 #include "modest-tny-account.h"
  41 #include "modest-tny-msg.h"
  42 #include "modest-tny-mime-part.h"
  43 #include "modest-text-utils.h"
  44 #include "widgets/modest-folder-view.h"
  45 #include "modest-address-book.h"
  46 #include <widgets/modest-attachments-view.h>
  47 #include <modest-runtime.h>
  48 #include <tny-simple-list.h>
  49 #include <widgets/modest-recpt-editor.h>
  50 #include <gtkhtml/gtkhtml.h>
  51 #include <modest-runtime.h>
  52 #ifdef MODEST_TOOLKIT_HILDON2
  53 #include <modest-header-window.h>
  54 #include <modest-folder-window.h>
  55 #endif
  56
  57
  58 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  59 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  60 static gboolean _invalid_attach_selected (ModestWindow *win,
  61                                           gboolean unique, gboolean for_view, gboolean for_remove,
  62                                           ModestDimmingRule *rule);
  63 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  64 static gboolean _clipboard_is_empty (ModestWindow *win);
  65 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  66 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  67 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  68 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  69 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  70 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  71 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  72 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  73 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  74 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  75 static gboolean _folder_view_has_focus (ModestWindow *win);
  76 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  77 static gboolean _msg_download_in_progress (ModestWindow *win);
  78 static gboolean _msg_download_completed (ModestMainWindow *win);
  79 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  80 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  81 static gboolean _transfer_mode_enabled (ModestWindow *win);
  82 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  83 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  84 static gboolean _send_receive_in_progress (ModestWindow *win);
  85 static gboolean _msgs_send_in_progress (void);
  86
  87 static DimmedState *
  88 _define_main_window_dimming_state (ModestMainWindow *window)
  89 {
  90         DimmedState *state = NULL;
  91         GtkWidget *focused_widget = NULL;
  92         GtkWidget *header_view = NULL;
  93         GtkTreeModel *model = NULL;
  94         TnyList *selected_headers = NULL;
  95         TnyIterator *iter = NULL;
  96         TnyHeader *header = NULL;
  97         ModestCacheMgr *cache_mgr = NULL;
  98         GHashTable *send_queue_cache = NULL;
  99         ModestTnySendQueue *send_queue = NULL;
 100         GSList *send_queues = NULL, *node = NULL;
 101         ModestWindowMgr *mgr = NULL;
 102         gboolean found = FALSE;
 103         gchar *msg_uid = NULL;
 104         TnyHeaderFlags flags;
 105         gboolean all_deleted = TRUE;
 106         gboolean all_seen = TRUE;
 107         gboolean all_cached = TRUE;
 108         gboolean all_has_attach = TRUE;
 109         TnyFolder *folder = NULL;
 110
 111         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 112
 113         /* Init state */
 114         state = g_slice_new0 (DimmedState);
 115         state->n_selected = 0;
 116         state->already_opened_msg = 0;
 117         state->any_marked_as_deleted = FALSE;
 118         state->all_marked_as_deleted = FALSE;
 119         state->any_marked_as_seen = FALSE;
 120         state->all_marked_as_seen = FALSE;
 121         state->any_marked_as_cached = FALSE;
 122         state->all_marked_as_cached = FALSE;
 123         state->any_has_attachments = FALSE;
 124         state->all_has_attachments = FALSE;
 125         state->sent_in_progress = FALSE;
 126         state->all_selected = FALSE;
 127
 128         /* Get focused widget */
 129         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 130         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 131                 state->n_selected++;
 132                 return state;
 133         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 134                 header_view = focused_widget;
 135         } else {
 136                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 137         }
 138
 139         /* Get header view and selected headers */
 140         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 141         if (!selected_headers)
 142                 return state;
 143
 144         /* Examine selected headers */
 145         iter = tny_list_create_iterator (selected_headers);
 146         while (!tny_iterator_is_done (iter)) {
 147                 header = TNY_HEADER (tny_iterator_get_current (iter));
 148                 flags = tny_header_get_flags (header);
 149
 150                 /* No selected */
 151                 state->n_selected++;
 152
 153                 /* Already opened */
 154                 mgr = modest_runtime_get_window_mgr ();
 155                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 156                         state->already_opened_msg++;
 157
 158
 159                 /* Mark as deleted */
 160                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 161                 state->all_marked_as_deleted = all_deleted;
 162                 if (!state->any_marked_as_deleted)
 163                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 164
 165                 /* Mark as seen */
 166                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 167                 state->all_marked_as_seen = all_seen;
 168                 if (!state->any_marked_as_seen)
 169                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 170
 171                 /* Mark as cached */
 172                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 173                 state->all_marked_as_cached = all_cached;
 174                 if (!state->any_marked_as_cached)
 175                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 176
 177                 /* Mark has_attachments */
 178                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 179                 state->all_has_attachments = all_has_attach;
 180                 if (!state->any_has_attachments)
 181                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 182
 183                 /* sent in progress */
 184                 folder = tny_header_get_folder (header);
 185                 if (folder) {
 186                         if (modest_tny_folder_guess_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 187                                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 188                                 if (!state->sent_in_progress) {
 189                                         cache_mgr = modest_runtime_get_cache_mgr ();
 190                                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 191                                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 192
 193                                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 194
 195                                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 196                                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 197
 198                                                 /* Check if msg uid is being processed inside send queue */
 199                                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 200                                         }
 201                                         state->sent_in_progress = found;
 202                                 }
 203                         }
 204                         g_object_unref (folder);
 205                 }
 206                 tny_iterator_next (iter);
 207                 g_object_unref (header);
 208         }
 209
 210         /* check if all the headers are selected or not */
 211         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 212         if (model != NULL){
 213                 gint count;
 214                 count = gtk_tree_model_iter_n_children(model, NULL);
 215                 if(state->n_selected == count)
 216                         state->all_selected = TRUE;
 217         }
 218
 219         /* Free */
 220         g_free(msg_uid);
 221         g_object_unref(selected_headers);
 222         g_object_unref(iter);
 223         g_slist_free (send_queues);
 224
 225         return state;
 226 }
 227
 228 static DimmedState *
 229 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 230 {
 231         DimmedState *state = NULL;
 232         TnyHeader *header = NULL;
 233         ModestCacheMgr *cache_mgr = NULL;
 234         GHashTable *send_queue_cache = NULL;
 235         ModestTnySendQueue *send_queue = NULL;
 236         GSList *send_queues = NULL, *node = NULL;
 237         gboolean found = FALSE;
 238         gchar *msg_uid = NULL;
 239         TnyHeaderFlags flags;
 240         gboolean all_deleted = TRUE;
 241         gboolean all_seen = TRUE;
 242         gboolean all_cached = TRUE;
 243         gboolean all_has_attach = TRUE;
 244
 245         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 246
 247         /* Init state */
 248         state = g_slice_new0 (DimmedState);
 249         state->n_selected = 0;
 250         state->already_opened_msg = 0;
 251         state->any_marked_as_deleted = FALSE;
 252         state->all_marked_as_deleted = FALSE;
 253         state->any_marked_as_seen = FALSE;
 254         state->all_marked_as_seen = FALSE;
 255         state->any_marked_as_cached = FALSE;
 256         state->all_marked_as_cached = FALSE;
 257         state->any_has_attachments = FALSE;
 258         state->all_has_attachments = FALSE;
 259         state->sent_in_progress = FALSE;
 260
 261         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 262         if (header == NULL)
 263                 return state;
 264         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 265         flags = tny_header_get_flags (header);
 266
 267         /* Selected */
 268         state->n_selected++;
 269
 270         /* Mark as deleted */
 271         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 272         state->all_marked_as_deleted = all_deleted;
 273         if (!state->any_marked_as_deleted)
 274                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 275
 276         /* Mark as seen */
 277         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 278         state->all_marked_as_seen = all_seen;
 279         if (!state->any_marked_as_seen)
 280                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 281
 282         /* Mark as cached */
 283         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 284         state->all_marked_as_cached = all_cached;
 285         if (!state->any_marked_as_cached)
 286                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 287
 288         /* Mark has_attachments */
 289         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 290         state->all_has_attachments = all_has_attach;
 291         if (!state->any_has_attachments)
 292                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 293
 294         /* sent in progress */
 295         msg_uid = modest_tny_send_queue_get_msg_id (header);
 296         if (!state->sent_in_progress) {
 297                 cache_mgr = modest_runtime_get_cache_mgr ();
 298                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 299                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 300
 301                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 302
 303                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 304                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 305
 306                         /* Check if msg uid is being processed inside send queue */
 307                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 308                 }
 309                 state->sent_in_progress = found;
 310         }
 311
 312         /* Free */
 313         g_free(msg_uid);
 314         g_object_unref (header);
 315         g_slist_free (send_queues);
 316
 317         return state;
 318 }
 319
 320
 321 DimmedState *
 322 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 323 {
 324         DimmedState *state = NULL;
 325
 326         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 327
 328         if (MODEST_IS_MAIN_WINDOW (window))
 329                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 330         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 331                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 332         }
 333
 334         return state;
 335 }
 336
 337 gboolean
 338 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 339 {
 340         ModestDimmingRule *rule = NULL;
 341         gboolean dimmed = FALSE;
 342
 343         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 344         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 345         rule = MODEST_DIMMING_RULE (user_data);
 346
 347         /* Check dimmed rule */
 348         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 349 #ifndef MODEST_TOOLKIT_HILDON2
 350                 dimmed = _msg_download_in_progress (win);
 351                 if (dimmed)
 352                         modest_dimming_rule_set_notification (rule, "");
 353 #endif
 354         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 355                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 356                                                           TRUE);
 357                 if (dimmed)
 358                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 359         }
 360
 361         return dimmed;
 362 }
 363
 364 gboolean
 365 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 366 {
 367         ModestDimmingRule *rule = NULL;
 368         GtkWidget *folder_view = NULL;
 369         TnyFolderStore *parent_folder = NULL;
 370         gboolean dimmed = FALSE;
 371
 372         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 373         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 374         rule = MODEST_DIMMING_RULE (user_data);
 375
 376         dimmed = _transfer_mode_enabled (win);
 377         if (dimmed) {
 378                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 379                 return dimmed;
 380         }
 381
 382         /* Get selected folder as parent of new folder to create */
 383         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 384                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 385         if (!folder_view) /* folder view may not have been created yet */
 386                 return TRUE;
 387
 388         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 389         if (!parent_folder)
 390                 return TRUE;
 391
 392         if (TNY_IS_ACCOUNT (parent_folder)) {
 393                 /* If it's the local account then do not dim */
 394                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 395                         dimmed = FALSE;
 396                 } else {
 397                         ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (parent_folder));
 398                         if (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID) {
 399                                 ModestProtocolRegistry *protocol_registry;
 400
 401                                 protocol_registry = modest_runtime_get_protocol_registry ();
 402                                 /* If account does not support folders (pop) then dim */
 403                                 dimmed = (!modest_protocol_registry_protocol_type_has_tag (protocol_registry, protocol_type,
 404                                                                                            MODEST_PROTOCOL_REGISTRY_STORE_HAS_FOLDERS));
 405                                 if (dimmed)
 406                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 407                         }
 408                 }
 409         } else {
 410                 TnyFolderType types[3];
 411
 412                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 413                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 414                 types[2] = TNY_FOLDER_TYPE_SENT;
 415
 416                 /* Apply folder rules */
 417                 if (!dimmed) {
 418                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 419                         if (dimmed)
 420                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 421                 }
 422                 if (!dimmed) {
 423                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 424                         if (dimmed)
 425                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 426                 }
 427         }
 428
 429         /* if not the folder is selected then dim */
 430         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 431                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 432         if (folder_view && !gtk_widget_is_focus (folder_view))
 433                 dimmed = TRUE;
 434
 435         g_object_unref (parent_folder);
 436
 437         return dimmed;
 438 }
 439
 440 gboolean
 441 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 442 {
 443         ModestDimmingRule *rule = NULL;
 444         GtkWidget *folder_view = NULL;
 445         GtkWidget *header_view = NULL;
 446         gboolean dimmed = FALSE;
 447
 448         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 449         rule = MODEST_DIMMING_RULE (user_data);
 450
 451         if (MODEST_IS_MAIN_WINDOW (win)) {
 452                 /* Get the folder view */
 453                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 454                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 455
 456                 /* Get header view */
 457                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 458                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 459
 460                 if (header_view && gtk_widget_is_focus (header_view))
 461                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 462
 463                 if (folder_view && gtk_widget_is_focus (folder_view))
 464                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 465
 466                 if (header_view && folder_view &&
 467                     !gtk_widget_is_focus (header_view) &&
 468                     !gtk_widget_is_focus (folder_view)) {
 469                         dimmed = TRUE;
 470                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 471                 }
 472
 473 #ifdef MODEST_TOOLKIT_HILDON2
 474         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
 475                 dimmed = modest_ui_dimming_rules_on_folder_window_delete (win, user_data);
 476         } else if (MODEST_IS_HEADER_WINDOW (win)) {
 477
 478                 if (!dimmed)
 479                         dimmed = _transfer_mode_enabled (win);
 480
 481                 if (dimmed)
 482                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 483
 484                 if (!dimmed) {
 485                         GtkWidget *header_view;
 486                         TnyFolder *folder;
 487
 488                         header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
 489                         folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
 490                         if (folder) {
 491                                 dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
 492                                 g_object_unref (folder);
 493                         }
 494                 }
 495
 496 #endif
 497         } else {
 498                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 499         }
 500
 501         return dimmed;
 502 }
 503
 504
 505
 506 gboolean
 507 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 508 {
 509         ModestDimmingRule *rule = NULL;
 510         TnyFolderType types[6];
 511         gboolean dimmed = FALSE;
 512
 513         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 514         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 515         rule = MODEST_DIMMING_RULE (user_data);
 516
 517         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 518         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 519         types[2] = TNY_FOLDER_TYPE_SENT;
 520         types[3] = TNY_FOLDER_TYPE_INBOX;
 521         types[4] = TNY_FOLDER_TYPE_ROOT;
 522         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 523
 524
 525         /* Check dimmed rule */
 526         dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 527         if (dimmed)
 528                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 529         if (!dimmed) {
 530                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 531                 if (dimmed)
 532                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 533         }
 534         if (!dimmed) {
 535                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 536                 if (dimmed)
 537                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 538         }
 539         if (!dimmed) {
 540                 dimmed = _transfer_mode_enabled (win);
 541                 if (dimmed)
 542                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 543         }
 544
 545         return dimmed;
 546 }
 547
 548 gboolean
 549 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 550 {
 551         ModestDimmingRule *rule = NULL;
 552         gboolean dimmed = FALSE;
 553
 554 #ifdef MODEST_TOOLKIT_HILDON2
 555         if (MODEST_IS_HEADER_WINDOW (win)) {
 556                 return FALSE;
 557         }
 558 #endif
 559
 560         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 561         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 562         rule = MODEST_DIMMING_RULE (user_data);
 563
 564         /* Check dimmed rule */
 565         dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 566
 567         if (!dimmed)
 568                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 569
 570         return dimmed;
 571
 572 }
 573
 574 gboolean
 575 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 576 {
 577         ModestDimmingRule *rule = NULL;
 578         TnyFolderType types[4];
 579         gboolean dimmed = FALSE;
 580
 581         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 582         rule = MODEST_DIMMING_RULE (user_data);
 583
 584         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 585         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 586         types[2] = TNY_FOLDER_TYPE_SENT;
 587         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 588
 589         /* Check dimmed rule */
 590         if (MODEST_IS_MAIN_WINDOW (win)) {
 591                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 592                 if (dimmed)
 593                         modest_dimming_rule_set_notification (rule, "");
 594                 if (!dimmed) {
 595                         dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 596                         if (dimmed)
 597                                 modest_dimming_rule_set_notification (rule, "");
 598                 }
 599         }
 600
 601 #ifdef MODEST_TOOLKIT_HILDON2
 602         if (MODEST_IS_FOLDER_WINDOW (win)) {
 603                 ModestFolderView *folder_view;
 604                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
 605                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
 606                                                                        MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE);
 607         }
 608 #endif
 609
 610         if (!dimmed) {
 611                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 612                 if (dimmed)
 613                         modest_dimming_rule_set_notification (rule, "");
 614         }
 615         if (!dimmed) {
 616                 dimmed = _transfer_mode_enabled (win);
 617                 if (dimmed)
 618                         modest_dimming_rule_set_notification (rule, "");
 619         }
 620
 621         return dimmed;
 622 }
 623
 624 gboolean
 625 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 626 {
 627         ModestDimmingRule *rule = NULL;
 628         gboolean dimmed = FALSE;
 629         const DimmedState *state = NULL;
 630
 631         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 632         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 633         rule = MODEST_DIMMING_RULE (user_data);
 634         state = modest_window_get_dimming_state (win);
 635
 636         /* Check dimmed rule */
 637         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 638         if (!dimmed) {
 639                 dimmed = state->any_marked_as_deleted;
 640                 if (dimmed) {
 641                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 642                         modest_dimming_rule_set_notification (rule, msg);
 643                         g_free (msg);
 644                 }
 645         }
 646         if (!dimmed) {
 647                 dimmed = _selected_msg_sent_in_progress (win);
 648                 if (dimmed)
 649                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 650         }
 651
 652         return dimmed;
 653 }
 654
 655 gboolean
 656 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 657 {
 658         ModestDimmingRule *rule = NULL;
 659         gboolean dimmed = FALSE;
 660         TnyFolderType types[3];
 661
 662         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 663         rule = MODEST_DIMMING_RULE (user_data);
 664
 665         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 666         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 667         types[2] = TNY_FOLDER_TYPE_ROOT;
 668
 669         /* Check dimmed rule */
 670         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 671         if (dimmed)
 672                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 673
 674         /* main window dimming rules */
 675         if (MODEST_IS_MAIN_WINDOW(win)) {
 676
 677                 if (!dimmed) {
 678                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 679                         if (dimmed)
 680                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 681                 }
 682                 if (!dimmed) {
 683                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 684                 }
 685         /* msg view window dimming rules */
 686         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 687
 688                 /* This could happen if we load the msg view window with a
 689                    preview before loading the full message */
 690                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 691                 if (!msg) {
 692                         dimmed = TRUE;
 693                 } else {
 694                         g_object_unref (msg);
 695                 }
 696
 697                 if (!dimmed) {
 698                         dimmed = _transfer_mode_enabled (win);
 699                         if (dimmed)
 700                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 701                 }
 702                 if (!dimmed) {
 703                         dimmed = _msg_download_in_progress (win);
 704                         if (dimmed)
 705                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 706                 }
 707         }
 708
 709         return dimmed;
 710 }
 711
 712
 713 gboolean
 714 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 715 {
 716         ModestDimmingRule *rule = NULL;
 717         gboolean dimmed = FALSE;
 718
 719         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 720         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 721         rule = MODEST_DIMMING_RULE (user_data);
 722
 723         /* Check dimmed rule */
 724         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 725         if (!dimmed) {
 726                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 727                 if (dimmed)
 728                         modest_dimming_rule_set_notification (rule, "");
 729         }
 730
 731         return dimmed;
 732 }
 733
 734 gboolean
 735 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 736 {
 737         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 738
 739         return TRUE;
 740 }
 741
 742 static gboolean
 743 _message_already_sent (ModestMsgViewWindow *view_window)
 744 {
 745         TnyHeader *header;
 746         TnyFolder *folder;
 747         gboolean already_sent = FALSE;
 748
 749         header = modest_msg_view_window_get_header (view_window);
 750         if (header) {
 751                 folder = tny_header_get_folder (header);
 752                 if (folder) {
 753                         if (modest_tny_folder_guess_folder_type (folder) ==
 754                             TNY_FOLDER_TYPE_OUTBOX) {
 755                                 ModestTnySendQueueStatus status =
 756                                         modest_tny_all_send_queues_get_msg_status (header);
 757                                 if (status == MODEST_TNY_SEND_QUEUE_UNKNOWN ||
 758                                     status == MODEST_TNY_SEND_QUEUE_SENDING)
 759                                         already_sent = TRUE;
 760                         }
 761                         g_object_unref (folder);
 762                 }
 763                 g_object_unref (header);
 764         }
 765         return already_sent;
 766 }
 767
 768
 769 gboolean
 770 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 771 {
 772         ModestDimmingRule *rule = NULL;
 773         const DimmedState *state = NULL;
 774         gboolean dimmed = FALSE;
 775
 776         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 777         rule = MODEST_DIMMING_RULE (user_data);
 778         state = modest_window_get_dimming_state (win);
 779
 780         /* If we're in transfer mode then do not allow to delete messages */
 781         dimmed = _transfer_mode_enabled (win);
 782         if (dimmed) {
 783                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 784                 return dimmed;
 785         }
 786
 787         /* Check dimmed rule */
 788         if (MODEST_IS_MAIN_WINDOW (win)) {
 789                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 790                 if (dimmed)
 791                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 792                 if (!dimmed) {
 793                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 794                 }
 795                 if (!dimmed) {
 796                         dimmed = state->sent_in_progress;
 797                         if (dimmed)
 798                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 799                 }
 800                 if (!dimmed) {
 801                         dimmed = state->any_marked_as_deleted;
 802                         if (dimmed) {
 803                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 804                                 modest_dimming_rule_set_notification (rule, msg);
 805                                 g_free (msg);
 806                         }
 807                 }
 808                 if (!dimmed) {
 809                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 810                         if (dimmed) {
 811                                 gchar *message = NULL;
 812
 813                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"),
 814                                                           state->already_opened_msg);
 815                                 modest_dimming_rule_set_notification (rule, message);
 816                                 g_free(message);
 817                         }
 818
 819                 }
 820         }
 821         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 822                 /* This could happen if we load the msg view window with a
 823                    preview before loading the full message */
 824                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
 825                 if (!msg) {
 826                         dimmed = TRUE;
 827                 } else {
 828                         g_object_unref (msg);
 829                 }
 830
 831                 if (!dimmed) {
 832                         dimmed = state->any_marked_as_deleted;
 833                         if (dimmed) {
 834                                 gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
 835                                 modest_dimming_rule_set_notification (rule, msg);
 836                                 g_free (msg);
 837                         }
 838                 }
 839                 if (!dimmed) {
 840                         dimmed = state->sent_in_progress;
 841                         if (dimmed)
 842                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 843                 }
 844
 845                 /* This could happen if we're viewing a message of the
 846                    outbox that has been already sent */
 847                 if (!dimmed)
 848                         dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
 849
 850                 /* The delete button should be dimmed when viewing an attachment,
 851                  * but should be enabled when viewing a message from the list,
 852                  * or when viewing a search result.
 853                  */
 854                 if (!dimmed) {
 855                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 856                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 857                                 if (dimmed) {
 858                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 859                                 }
 860                         }
 861                 }
 862         }
 863
 864         return dimmed;
 865 }
 866
 867 gboolean
 868 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 869 {
 870         ModestDimmingRule *rule = NULL;
 871         GtkWidget *header_view = NULL;
 872         gboolean dimmed = FALSE;
 873
 874         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 875         rule = MODEST_DIMMING_RULE (user_data);
 876
 877         /* main window dimming rules */
 878         if (MODEST_IS_MAIN_WINDOW(win)) {
 879
 880                 /* Check dimmed rule */
 881                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 882                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 883
 884                 /* If the header view has the focus: */
 885                 if (header_view && gtk_widget_is_focus (header_view)) {
 886                         /* Check dimmed rule */
 887                         if (!dimmed)
 888                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 889                 }
 890                 else {
 891                         /* If the folder view has the focus: */
 892                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 893                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 894                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 895                                 TnyFolderStore *folder_store
 896                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 897                                 if (folder_store) {
 898                                         /* Only enable for folders, not accounts,
 899                                          * though the UI spec is not clear about that.
 900                                          * If we enable this for accounts then we must
 901                                          * add code to handle them in modest_ui_actions_on_details(). */
 902                                         if (!TNY_IS_FOLDER(folder_store)) {
 903                                                 dimmed = TRUE;
 904                                                 modest_dimming_rule_set_notification (rule, "");
 905                                         }
 906
 907                                         g_object_unref (folder_store);
 908                                 } else {
 909                                         dimmed = TRUE;
 910                                         modest_dimming_rule_set_notification (rule, "");
 911                                 }
 912                                 if (!dimmed) {
 913                                         dimmed = _msg_download_in_progress (win);
 914                                         if (dimmed)
 915                                                 modest_dimming_rule_set_notification (rule, "");
 916                                 }
 917
 918                         } else {
 919                                 return TRUE;
 920                         }
 921                 }
 922
 923         /* msg view window dimming rules */
 924         } else {
 925                 /* Check dimmed rule */
 926                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 927                         dimmed = _msg_download_in_progress (win);
 928                 if (dimmed)
 929                         modest_dimming_rule_set_notification (rule, "");
 930                 if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 931                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 932                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 933                         }
 934                         if (dimmed)
 935                                 modest_dimming_rule_set_notification (rule, "");
 936                 }
 937         }
 938
 939         return dimmed;
 940 }
 941
 942
 943 gboolean
 944 modest_ui_dimming_rules_on_mark_as_read_msg_in_view (ModestWindow *win, gpointer user_data)
 945 {
 946         ModestDimmingRule *rule = NULL;
 947         TnyHeader *header;
 948         TnyHeaderFlags flags;
 949         gboolean dimmed = FALSE;
 950
 951
 952         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 953         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 954         rule = MODEST_DIMMING_RULE (user_data);
 955
 956         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 957         if (!header) {
 958                 dimmed = TRUE;
 959         }
 960
 961         /* If the viewer is showing a message sent as attachment */
 962         if (!dimmed)
 963                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 964
 965         if (!dimmed) {
 966                 flags = tny_header_get_flags (header);
 967                 if (flags & TNY_HEADER_FLAG_SEEN)
 968                         dimmed = TRUE;
 969         }
 970
 971         if (header)
 972                 g_object_unref (header);
 973         return dimmed;
 974 }
 975
 976
 977 gboolean
 978 modest_ui_dimming_rules_on_mark_as_unread_msg_in_view (ModestWindow *win, gpointer user_data)
 979 {
 980         ModestDimmingRule *rule = NULL;
 981         TnyHeader *header;
 982         TnyHeaderFlags flags;
 983         gboolean dimmed = FALSE;
 984
 985
 986         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 987         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 988         rule = MODEST_DIMMING_RULE (user_data);
 989
 990         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
 991         if (!header) {
 992                 dimmed = TRUE;
 993         }
 994
 995         /* If the viewer is showing a message sent as attachment */
 996         if (!dimmed)
 997                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 998
 999         if (!dimmed) {
1000                 flags = tny_header_get_flags (header);
1001                 if (!(flags & TNY_HEADER_FLAG_SEEN))
1002                         dimmed = TRUE;
1003         }
1004
1005         if (header)
1006                 g_object_unref (header);
1007         return dimmed;
1008 }
1009
1010 gboolean
1011 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
1012 {
1013         ModestDimmingRule *rule = NULL;
1014         TnyHeaderFlags flags;
1015         const DimmedState *state = NULL;
1016         gboolean dimmed = FALSE;
1017
1018         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1019         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1020         rule = MODEST_DIMMING_RULE (user_data);
1021         state = modest_window_get_dimming_state (win);
1022
1023         flags = TNY_HEADER_FLAG_SEEN;
1024
1025         /* Check dimmed rule */
1026         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1027         if (!dimmed) {
1028                 dimmed = state->all_marked_as_seen;
1029                 if (dimmed)
1030                         modest_dimming_rule_set_notification (rule, "");
1031         }
1032
1033         return dimmed;
1034 }
1035
1036 gboolean
1037 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
1038 {
1039         ModestDimmingRule *rule = NULL;
1040         TnyHeaderFlags flags;
1041         const DimmedState *state = NULL;
1042         gboolean dimmed = FALSE;
1043
1044         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1045         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1046         rule = MODEST_DIMMING_RULE (user_data);
1047         state = modest_window_get_dimming_state (win);
1048
1049         flags = TNY_HEADER_FLAG_SEEN;
1050
1051         /* Check dimmed rule */
1052         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1053         if (!dimmed) {
1054                 dimmed = !state->any_marked_as_seen;
1055                 if (dimmed)
1056                         modest_dimming_rule_set_notification (rule, "");
1057         }
1058
1059         return dimmed;
1060 }
1061
1062 gboolean
1063 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
1064 {
1065         ModestDimmingRule *rule = NULL;
1066         gboolean dimmed = FALSE;
1067
1068         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1069         rule = MODEST_DIMMING_RULE (user_data);
1070
1071         if (MODEST_IS_MAIN_WINDOW (win))
1072                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
1073 #ifdef MODEST_TOOLKIT_HILDON2
1074         else if (MODEST_IS_HEADER_WINDOW (win))
1075                 dimmed = modest_ui_dimming_rules_on_header_window_move_to (win, user_data);
1076         else if (MODEST_IS_FOLDER_WINDOW (win))
1077                 dimmed = modest_ui_dimming_rules_on_folder_window_move_to (win, user_data);
1078 #endif
1079         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
1080                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
1081
1082         return dimmed;
1083 }
1084
1085
1086 gboolean
1087 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
1088 {
1089         GtkWidget *folder_view = NULL;
1090         ModestDimmingRule *rule = NULL;
1091         const DimmedState *state = NULL;
1092         gboolean dimmed = FALSE;
1093
1094         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1095         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1096         rule = MODEST_DIMMING_RULE (user_data);
1097         state = modest_window_get_dimming_state (win);
1098
1099         /* Get the folder view */
1100         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1101                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1102
1103
1104         /* Check diming rules for folders transfer  */
1105         if (folder_view && gtk_widget_is_focus (folder_view)) {
1106                 TnyFolderType types[5];
1107
1108                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1109                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1110                 types[2] = TNY_FOLDER_TYPE_SENT;
1111                 types[3] = TNY_FOLDER_TYPE_ROOT;
1112                 types[4] = TNY_FOLDER_TYPE_INBOX;
1113
1114                 /* Apply folder rules */
1115                 dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
1116                 if (dimmed)
1117                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1118                 if (!dimmed) {
1119                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
1120                         if (dimmed)
1121                                 modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1122                 }
1123         }
1124
1125         /* Check diming rules for messages transfer  */
1126         if (!dimmed) {
1127                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1128                 if (dimmed) {
1129                         gchar *message = g_strdup_printf(_("emev_nc_unabletomove_items"),
1130                                                          state->already_opened_msg);
1131                         modest_dimming_rule_set_notification (rule, message);
1132                         g_free(message);
1133                 }
1134         }
1135         if (!dimmed) {
1136                 if (!(folder_view && gtk_widget_is_focus (folder_view)))
1137                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
1138
1139         }
1140         if (!dimmed) {
1141                 dimmed = _selected_msg_sent_in_progress (win);
1142                 if (dimmed)
1143                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
1144         }
1145
1146         return dimmed;
1147 }
1148
1149 gboolean
1150 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
1151 {
1152         ModestDimmingRule *rule = NULL;
1153         gboolean dimmed = FALSE;
1154
1155         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1156         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1157         rule = MODEST_DIMMING_RULE (user_data);
1158
1159         /* This could happen if we load the msg view window with a
1160            preview before loading the full message */
1161         TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1162         if (!msg) {
1163                 return TRUE;
1164         } else {
1165                 g_object_unref (msg);
1166         }
1167
1168         /* Check dimmed rule */
1169
1170         dimmed = _transfer_mode_enabled (win);
1171         if (dimmed)
1172                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1173         if (!dimmed) {
1174                 dimmed = modest_window_get_dimming_state (win)->any_marked_as_deleted;
1175                 if (dimmed) {
1176                         gchar *msg = modest_ui_actions_get_msg_already_deleted_error_msg (win);
1177                         modest_dimming_rule_set_notification (rule, msg);
1178                         g_free (msg);
1179                 }
1180         }
1181
1182         if (!dimmed) {
1183                 dimmed = _selected_msg_sent_in_progress (win);
1184                 if (dimmed)
1185                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1186         }
1187
1188         /* This could happen if we're viewing a message of the outbox
1189            that has been already sent */
1190         if (!dimmed)
1191                 dimmed = _message_already_sent (MODEST_MSG_VIEW_WINDOW(win));
1192
1193         if (!dimmed) {
1194                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1195                         /* The move_to button should be dimmed when viewing an attachment,
1196                          * but should be enabled when viewing a message from the list,
1197                          * or when viewing a search result.
1198                          */
1199                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1200                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1201                         }
1202                 }
1203
1204                 if (dimmed)
1205                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1206         }
1207
1208         return dimmed;
1209 }
1210
1211 #ifdef MODEST_TOOLKIT_HILDON2
1212 gboolean
1213 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
1214 {
1215         ModestDimmingRule *rule = NULL;
1216         gboolean dimmed = FALSE;
1217
1218         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
1219         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1220         rule = MODEST_DIMMING_RULE (user_data);
1221
1222         /* Check dimmed rule */
1223         dimmed = _transfer_mode_enabled (win);
1224         if (dimmed)
1225                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1226
1227         if (!dimmed) {
1228                 GtkWidget *header_view;
1229                 TnyFolder *folder;
1230
1231                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
1232                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
1233                 if (folder) {
1234                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
1235                         g_object_unref (folder);
1236                 }
1237         }
1238
1239         return dimmed;
1240 }
1241
1242 gboolean
1243 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
1244 {
1245         ModestDimmingRule *rule = NULL;
1246         gboolean dimmed = FALSE;
1247
1248         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1249         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1250         rule = MODEST_DIMMING_RULE (user_data);
1251
1252         /* Check dimmed rule */
1253         dimmed = _transfer_mode_enabled (win);
1254         if (dimmed)
1255                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1256
1257 #ifdef MODEST_TOOLKIT_HILDON2
1258         if (MODEST_IS_FOLDER_WINDOW (win)) {
1259                 ModestFolderView *folder_view;
1260                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1261                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1262                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
1263         }
1264 #endif
1265
1266         return dimmed;
1267 }
1268
1269 gboolean
1270 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
1271 {
1272         ModestDimmingRule *rule = NULL;
1273         gboolean dimmed = FALSE;
1274
1275         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
1276         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1277         rule = MODEST_DIMMING_RULE (user_data);
1278
1279         /* Check dimmed rule */
1280         dimmed = _transfer_mode_enabled (win);
1281         if (dimmed)
1282                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1283
1284 #ifdef MODEST_TOOLKIT_HILDON2
1285         if (MODEST_IS_FOLDER_WINDOW (win)) {
1286                 ModestFolderView *folder_view;
1287                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
1288                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
1289                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
1290         }
1291 #endif
1292
1293         return dimmed;
1294 }
1295 #endif
1296
1297 gboolean
1298 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1299 {
1300         ModestDimmingRule *rule = NULL;
1301         gboolean dimmed = FALSE;
1302
1303         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1304         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1305         rule = MODEST_DIMMING_RULE (user_data);
1306
1307         /* This could happen if we load the msg view window with a
1308            preview before loading the full message */
1309         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1310                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1311                 if (!msg) {
1312                         return TRUE;
1313                 } else {
1314                         g_object_unref (msg);
1315                 }
1316         }
1317
1318         /* Check dimmed rule */
1319         dimmed = _transfer_mode_enabled (win);
1320         if (dimmed)
1321                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1322
1323         return dimmed;
1324 }
1325
1326 gboolean
1327 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1328 {
1329         ModestDimmingRule *rule = NULL;
1330         TnyFolderType types[3];
1331         gboolean dimmed = FALSE;
1332
1333         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1334         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1335         rule = MODEST_DIMMING_RULE (user_data);
1336
1337         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1338         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1339         types[2] = TNY_FOLDER_TYPE_SENT;
1340
1341         /* Check dimmed rule */
1342         dimmed = _clipboard_is_empty (win);
1343         if (dimmed)
1344                 modest_dimming_rule_set_notification (rule,
1345                                                       _CS("ecoc_ib_edwin_nothing_to_paste"));
1346         if (!dimmed) {
1347                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1348                 if (dimmed)
1349                         modest_dimming_rule_set_notification (rule,
1350                                                               _CS("ckct_ib_unable_to_paste_here"));
1351         }
1352         if (!dimmed) {
1353                 dimmed = !_folder_view_has_focus (win);
1354                 if (dimmed)
1355                         modest_dimming_rule_set_notification (rule,
1356                                         _CS("ckct_ib_unable_to_paste_here"));
1357         }
1358         if (!dimmed) {
1359                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1360                 if (dimmed)
1361                         modest_dimming_rule_set_notification (rule,
1362                                                               _CS("ckct_ib_unable_to_paste_here"));
1363         }
1364         if (!dimmed) {
1365                 dimmed = _selected_folder_is_same_as_source (win);
1366                 if (dimmed)
1367                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1368         }
1369         if (!dimmed) {
1370                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1371                 if (dimmed)
1372                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1373         }
1374
1375         return dimmed;
1376 }
1377
1378
1379 gboolean
1380 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1381 {
1382         ModestDimmingRule *rule = NULL;
1383         gboolean dimmed = FALSE;
1384         GtkWidget *focused = NULL;
1385
1386         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1387         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1388         rule = MODEST_DIMMING_RULE (user_data);
1389
1390         focused = gtk_window_get_focus (GTK_WINDOW (win));
1391
1392         /* Main window dimming rules */
1393         if (MODEST_IS_MAIN_WINDOW (win))
1394                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1395
1396         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1397                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1398
1399         if (!dimmed && GTK_IS_ENTRY (focused)) {
1400                 const gchar *current_text;
1401                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1402                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1403         }
1404
1405         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1406                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1407                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1408         }
1409
1410         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1411                 dimmed = FALSE;
1412         return dimmed;
1413 }
1414
1415 gboolean
1416 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1417 {
1418         ModestDimmingRule *rule = NULL;
1419         gboolean dimmed = FALSE;
1420
1421         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1422         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1423         rule = MODEST_DIMMING_RULE (user_data);
1424
1425         /* Check dimmed rule */
1426         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1427
1428         if (!dimmed) {
1429                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1430                 if (dimmed) {
1431                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1432                 }
1433         }
1434
1435         return dimmed;
1436 }
1437
1438 gboolean
1439 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1440 {
1441         ModestDimmingRule *rule = NULL;
1442         gboolean dimmed = FALSE;
1443
1444         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1445         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1446         rule = MODEST_DIMMING_RULE (user_data);
1447
1448         /* Check dimmed rule */
1449         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1450
1451         if (!dimmed) {
1452                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1453                 if (dimmed) {
1454                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1455                 }
1456         }
1457
1458         return dimmed;
1459 }
1460
1461 gboolean
1462 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1463 {
1464         ModestDimmingRule *rule = NULL;
1465         const DimmedState *state = NULL;
1466         gboolean dimmed = FALSE;
1467
1468         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1469         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1470         rule = MODEST_DIMMING_RULE (user_data);
1471         state = modest_window_get_dimming_state (win);
1472
1473         /* Check in main window if there's only one message selected */
1474         if (MODEST_IS_MAIN_WINDOW (win)) {
1475                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1476         }
1477
1478         /* Check in view window if there's any attachment selected */
1479         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1480                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1481                 if (dimmed)
1482                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1483         }
1484
1485 #ifndef MODEST_TOOLKIT_HILDON2
1486         /* Messages as attachments could not be removed */
1487         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1488                 TnyList *attachments;
1489                 TnyIterator *iter;
1490                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW (win));
1491                 if (attachments) {
1492                         iter = tny_list_create_iterator (attachments);
1493                         while (!tny_iterator_is_done (iter) && !dimmed) {
1494                                 TnyMimePart *mime_part = (TnyMimePart *)
1495                                         tny_iterator_get_current (iter);
1496                                 if (modest_tny_mime_part_is_msg (mime_part))
1497                                         dimmed = TRUE;
1498                                 g_object_unref (mime_part);
1499                                 tny_iterator_next (iter);
1500                         }
1501                         g_object_unref (iter);
1502                         g_object_unref (attachments);
1503                 }
1504         }
1505 #endif
1506
1507         if (!dimmed) {
1508
1509                 dimmed = _selected_msg_sent_in_progress (win);
1510                 if (dimmed) {
1511                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1512                 }
1513         }
1514
1515         /* cannot purge in editable drafts nor pop folders */
1516         if (!dimmed) {
1517                 dimmed = _invalid_folder_for_purge (win, rule);
1518                 if (dimmed)
1519                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1520         }
1521
1522         /* Check if the selected message in main window has attachments */
1523         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1524                 dimmed = !(state->any_has_attachments);
1525                 if (dimmed)
1526                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1527         }
1528
1529         /* Check if all attachments are already purged */
1530         if (!dimmed) {
1531                 dimmed = _purged_attach_selected (win, TRUE, rule);
1532         }
1533
1534         /* Check if the message is already downloaded */
1535         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1536                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1537                 if (dimmed)
1538                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1539         }
1540
1541         return dimmed;
1542 }
1543
1544 gboolean
1545 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1546 {
1547         ModestDimmingRule *rule = NULL;
1548         gboolean dimmed = FALSE;
1549
1550         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1551         rule = MODEST_DIMMING_RULE (user_data);
1552
1553         /* Check dimmed rule */
1554         if (MODEST_IS_MAIN_WINDOW (win)) {
1555                 dimmed = _clipboard_is_empty (win);
1556                 if (dimmed)
1557                         modest_dimming_rule_set_notification (rule, "");
1558         }
1559
1560         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1561                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1562         }
1563
1564         return dimmed;
1565 }
1566
1567 gboolean
1568 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1569 {
1570         ModestDimmingRule *rule = NULL;
1571         gboolean dimmed = FALSE;
1572
1573         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1574         rule = MODEST_DIMMING_RULE (user_data);
1575
1576         /* Check dimmed rule */
1577         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1578                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1579         }
1580
1581         return dimmed;
1582 }
1583
1584 gboolean
1585 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1586 {
1587         ModestDimmingRule *rule = NULL;
1588         const DimmedState *state = NULL;
1589         gboolean dimmed = FALSE;
1590
1591         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1592         rule = MODEST_DIMMING_RULE (user_data);
1593         state = modest_window_get_dimming_state (win);
1594
1595         /* Check common dimming rules */
1596         dimmed = _invalid_clipboard_selected (win, rule);
1597
1598         /* Check window specific dimming rules */
1599         if (MODEST_IS_MAIN_WINDOW (win)) {
1600                 /* Get focused widget */
1601                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1602
1603                 if (MODEST_IS_HEADER_VIEW (focused)) {
1604                         if (!dimmed) {
1605                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1606                                 if (dimmed)
1607                                         modest_dimming_rule_set_notification (rule, "");
1608                         }
1609                         if (!dimmed) {
1610                                 dimmed = _selected_msg_sent_in_progress (win);
1611                                 if (dimmed)
1612                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1613                         }
1614                         if (!dimmed) {
1615                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1616                                 if(dimmed)
1617                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1618                         }
1619                 }
1620                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1621                         TnyFolderType types[3];
1622
1623                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1624                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1625                         types[2] = TNY_FOLDER_TYPE_SENT;
1626
1627                         /* Apply folder rules */
1628                         if (!dimmed) {
1629                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1630                                 if (dimmed)
1631                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1632                         }
1633                         if (!dimmed) {
1634                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1635                                 if (dimmed)
1636                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1637                         }
1638                         if (!dimmed) {
1639                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1640                                 if (dimmed)
1641                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1642                         }
1643                 }
1644         }
1645
1646         return dimmed;
1647 }
1648
1649 gboolean
1650 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1651 {
1652         ModestDimmingRule *rule = NULL;
1653         const DimmedState *state = NULL;
1654         gboolean dimmed = FALSE;
1655
1656         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1657         rule = MODEST_DIMMING_RULE (user_data);
1658         state = modest_window_get_dimming_state (win);
1659
1660         /* Check common dimming rules */
1661         dimmed = _invalid_clipboard_selected (win, rule);
1662
1663         /* Check window specific dimming rules */
1664         if (MODEST_IS_MAIN_WINDOW (win)) {
1665                 /* Get focused widget */
1666                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1667
1668                 if (MODEST_IS_HEADER_VIEW (focused)) {
1669                         if (!dimmed) {
1670                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1671                                 if (dimmed)
1672                                         modest_dimming_rule_set_notification (rule, "");
1673                         }
1674                         if (!dimmed) {
1675                                 dimmed = _selected_msg_sent_in_progress (win);
1676                                 if (dimmed)
1677                                         modest_dimming_rule_set_notification (rule, _(""));
1678                         }
1679                         if (!dimmed) {
1680                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1681                                 if(dimmed)
1682                                         modest_dimming_rule_set_notification (rule, _(""));
1683                         }
1684                 }
1685                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1686                         TnyFolderType types[3];
1687
1688                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1689                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1690                         types[2] = TNY_FOLDER_TYPE_SENT;
1691
1692                         if (!dimmed) {
1693                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1694                                 if (dimmed)
1695                                         modest_dimming_rule_set_notification (rule, _(""));
1696                         }
1697                         if (!dimmed) {
1698                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1699                                 if (dimmed)
1700                                         modest_dimming_rule_set_notification (rule, _(""));
1701                         }
1702                 }
1703         }
1704
1705         return dimmed;
1706 }
1707
1708 gboolean
1709 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1710 {
1711         ModestDimmingRule *rule = NULL;
1712         const DimmedState *state = NULL;
1713         gboolean dimmed = FALSE;
1714
1715         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1716         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1717         rule = MODEST_DIMMING_RULE (user_data);
1718         state = modest_window_get_dimming_state (win);
1719
1720
1721         /* Check common dimming rules */
1722         ModestMsgEditFormat format;
1723         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1724
1725         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1726         if (dimmed)
1727                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1728
1729         if (!dimmed) {
1730                 GtkWidget *body;
1731                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1732                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1733
1734                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1735                 if (dimmed)
1736                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1737         }
1738
1739
1740         return dimmed;
1741 }
1742
1743 gboolean
1744 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1745 {
1746         ModestDimmingRule *rule = NULL;
1747         const DimmedState *state = NULL;
1748         gboolean dimmed = FALSE;
1749
1750         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1751         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1752         rule = MODEST_DIMMING_RULE (user_data);
1753         state = modest_window_get_dimming_state (win);
1754
1755         GtkWidget *body;
1756         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1757                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1758
1759         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1760         if (dimmed)
1761                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1762
1763         return dimmed;
1764 }
1765
1766 gboolean
1767 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1768 {
1769         ModestDimmingRule *rule = NULL;
1770         const DimmedState *state = NULL;
1771         gboolean dimmed = FALSE;
1772         GtkWidget *focused = NULL;
1773
1774         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1775         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1776         rule = MODEST_DIMMING_RULE (user_data);
1777         state = modest_window_get_dimming_state (win);
1778
1779         focused = gtk_window_get_focus (GTK_WINDOW (win));
1780
1781         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1782
1783         if (!dimmed) {
1784                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1785         }
1786
1787         if (!dimmed) {
1788                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1789                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1790
1791                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1792                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1793         }
1794
1795         return dimmed;
1796 }
1797
1798 gboolean
1799 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1800 {
1801         ModestDimmingRule *rule = NULL;
1802         const DimmedState *state = NULL;
1803         gboolean dimmed = FALSE;
1804         TnyList *selected_attachments = NULL;
1805         gint n_att_selected = 0;
1806         GtkWidget *attachments_view;
1807
1808         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1809         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1810         rule = MODEST_DIMMING_RULE (user_data);
1811         state = modest_window_get_dimming_state (win);
1812
1813         attachments_view = modest_msg_edit_window_get_child_widget (
1814                                                                     MODEST_MSG_EDIT_WINDOW (win),
1815                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1816
1817 #ifdef MODEST_TOOLKIT_HILDON2
1818         selected_attachments = modest_attachments_view_get_attachments (
1819                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1820 #else
1821         selected_attachments = modest_attachments_view_get_selection (
1822                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1823 #endif
1824         n_att_selected = tny_list_get_length (selected_attachments);
1825         g_object_unref (selected_attachments);
1826
1827         dimmed = (n_att_selected < 1);
1828
1829         return dimmed;
1830 }
1831
1832 gboolean
1833 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1834 {
1835         ModestDimmingRule *rule = NULL;
1836         const DimmedState *state = NULL;
1837         gboolean dimmed = FALSE;
1838         GtkWidget *subject_field, *body_field;
1839         const gchar *subject = NULL;
1840
1841         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1842         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1843         rule = MODEST_DIMMING_RULE (user_data);
1844         state = modest_window_get_dimming_state (win);
1845
1846         body_field = modest_msg_edit_window_get_child_widget (
1847                                                               MODEST_MSG_EDIT_WINDOW (win),
1848                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1849         subject_field = modest_msg_edit_window_get_child_widget (
1850                                                                  MODEST_MSG_EDIT_WINDOW (win),
1851                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1852         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1853
1854         dimmed = (subject == NULL || subject[0] == '\0');
1855         if (dimmed)
1856                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1857
1858         if (!dimmed) {
1859                 GtkWidget *to_field, *cc_field, *bcc_field;
1860                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1861                 cc_field = modest_msg_edit_window_get_child_widget (
1862                         MODEST_MSG_EDIT_WINDOW (win),
1863                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1864                 to_field = modest_msg_edit_window_get_child_widget (
1865                         MODEST_MSG_EDIT_WINDOW (win),
1866                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1867                 bcc_field = modest_msg_edit_window_get_child_widget (
1868                         MODEST_MSG_EDIT_WINDOW (win),
1869                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1870                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1871                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1872                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1873
1874                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1875                            gtk_text_buffer_get_char_count (cc_buffer) +
1876                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1877                 if (dimmed)
1878                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1879         }
1880
1881         return dimmed;
1882 }
1883
1884 gboolean
1885 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1886 {
1887         ModestDimmingRule *rule = NULL;
1888         gboolean dimmed = FALSE;
1889
1890         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1891         rule = MODEST_DIMMING_RULE (user_data);
1892
1893         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1894
1895         /* Check dimmed rule */
1896         dimmed = _transfer_mode_enabled (win);
1897         if (dimmed)
1898                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1899
1900         if (!dimmed) {
1901                 dimmed = modest_msg_view_window_first_message_selected (
1902                                 MODEST_MSG_VIEW_WINDOW(win));
1903                 modest_dimming_rule_set_notification (rule, NULL);
1904         }
1905
1906         return dimmed;
1907 }
1908
1909 gboolean
1910 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1911 {
1912         ModestDimmingRule *rule = NULL;
1913         gboolean dimmed = FALSE;
1914
1915         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1916         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1917         rule = MODEST_DIMMING_RULE (user_data);
1918
1919         /* Check dimmed rule */
1920         dimmed = _transfer_mode_enabled (win);
1921         if (dimmed)
1922                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1923
1924         if (!dimmed) {
1925                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1926                 modest_dimming_rule_set_notification (rule, NULL);
1927         }
1928
1929         return dimmed;
1930 }
1931
1932
1933 gboolean
1934 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1935 {
1936         return !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1937                                                 TRUE);
1938 }
1939
1940 gboolean
1941 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1942 {
1943         ModestDimmingRule *rule = NULL;
1944         TnyFolderType types[1];
1945         const DimmedState *state = NULL;
1946         gboolean dimmed = FALSE;
1947
1948         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1949         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1950         rule = MODEST_DIMMING_RULE (user_data);
1951         state = modest_window_get_dimming_state (win);
1952
1953         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1954
1955         /* Check dimmed rules */
1956         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1957         if (dimmed)
1958                 modest_dimming_rule_set_notification (rule, "");
1959         if (!dimmed) {
1960                 dimmed = !state->sent_in_progress;
1961                 if (dimmed)
1962                         modest_dimming_rule_set_notification (rule, "");
1963         }
1964
1965         return dimmed;
1966 }
1967
1968 gboolean
1969 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1970 {
1971         /* We dim if no msg send is in progress (and then cancelling send all has no
1972          * effect */
1973         return !_msgs_send_in_progress ();
1974 }
1975
1976 gboolean
1977 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1978 {
1979         ModestDimmingRule *rule = NULL;
1980         gboolean dimmed = FALSE;
1981         ModestAccountMgr *mgr;
1982         const gchar* account_name;
1983
1984         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1985         rule = MODEST_DIMMING_RULE (user_data);
1986         mgr = modest_runtime_get_account_mgr();
1987
1988         /* Check dimmed rule */
1989         account_name = modest_window_get_active_account (win);
1990
1991         if (account_name)
1992                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1993         else
1994                 dimmed = TRUE;
1995
1996         if (dimmed)
1997                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1998
1999         return dimmed;
2000 }
2001
2002 gboolean
2003 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
2004 {
2005         ModestDimmingRule *rule = NULL;
2006         gboolean dimmed = FALSE;
2007
2008         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2009         rule = MODEST_DIMMING_RULE (user_data);
2010
2011         /* Check dimmed rule */
2012         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
2013         if (g_slist_length (account_names) < 1)
2014                 dimmed = TRUE;
2015         if (dimmed)
2016                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
2017
2018         modest_account_mgr_free_account_names (account_names);
2019
2020         if (!dimmed) {
2021                 dimmed = _send_receive_in_progress (win);
2022         }
2023
2024         return dimmed;
2025 }
2026
2027 #ifdef MODEST_TOOLKIT_HILDON2
2028 gboolean
2029 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
2030 {
2031         TnyMsg *msg;
2032         GSList *recipients, *node;
2033         gboolean has_recipients_to_add;
2034
2035         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2036         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
2037
2038         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2039
2040         /* Message is loaded asynchronously, so this could happen */
2041         if (!msg) {
2042 #ifdef MODEST_TOOLKIT_HILDON2
2043                 TnyHeader *header;
2044
2045                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
2046                 if (!header)
2047                         return TRUE;
2048
2049                 recipients = modest_tny_msg_header_get_all_recipients_list (header);
2050                 g_object_unref (header);
2051 #else
2052                 return TRUE;
2053 #endif
2054         } else {
2055                 recipients = modest_tny_msg_get_all_recipients_list (msg);
2056                 g_object_unref (msg);
2057         }
2058
2059         has_recipients_to_add = FALSE;
2060         for (node = recipients; node != NULL; node = g_slist_next (node)) {
2061                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
2062                         has_recipients_to_add = TRUE;
2063                         break;
2064                 }
2065         }
2066
2067         g_slist_foreach (recipients, (GFunc) g_free, NULL);
2068         g_slist_free (recipients);
2069
2070         return !has_recipients_to_add;
2071 }
2072 #else
2073 gboolean
2074 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
2075 {
2076         ModestDimmingRule *rule = NULL;
2077         gboolean dimmed = FALSE;
2078         GtkWidget *focused = NULL;
2079
2080         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2081         rule = MODEST_DIMMING_RULE (user_data);
2082         focused = gtk_window_get_focus (GTK_WINDOW (win));
2083
2084         dimmed = !focused;
2085
2086         if (!dimmed) {
2087                 gchar *selection = NULL;
2088                 if (GTK_IS_TEXT_VIEW (focused)) {
2089                         GtkTextIter start, end;
2090                         GtkTextBuffer *buffer = NULL;
2091                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2092                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
2093                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2094                         }
2095                 } else if (GTK_IS_LABEL (focused)) {
2096                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
2097                 } else {
2098                         gboolean do_check = TRUE;
2099                         GtkClipboard *clipboard;
2100                         if (GTK_IS_HTML (focused)) {
2101                                 const gchar *sel;
2102                                 int len = -1;
2103                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2104                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
2105                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2106                                 do_check = FALSE;
2107                         }
2108                         if (do_check) {
2109                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2110                                 selection = gtk_clipboard_wait_for_text (clipboard);
2111                         } else {
2112                                 selection = NULL;
2113                         }
2114                 }
2115                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
2116         }
2117
2118         return dimmed;
2119 }
2120 #endif
2121
2122 /* *********************** static utility functions ******************** */
2123
2124
2125 static gboolean
2126 _selected_folder_not_writeable (ModestMainWindow *win,
2127                                 gboolean for_paste)
2128 {
2129         GtkWidget *folder_view = NULL;
2130         TnyFolderStore *parent_folder = NULL;
2131         ModestEmailClipboard *clipboard = NULL;
2132         ModestTnyFolderRules rules;
2133         gboolean is_local_acc = FALSE;
2134         gboolean xfer_folders = FALSE;
2135         gboolean result = FALSE;
2136
2137         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2138
2139         /* Get folder view */
2140         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2141                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2142         /* If no folder view, always dimmed */
2143         if (!folder_view)
2144                 return TRUE;
2145
2146         /* Get selected folder as parent of new folder to create */
2147         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2148         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2149                 /* If it's the local account and its transfering folders, then do not dim */
2150                 if (TNY_IS_ACCOUNT (parent_folder)) {
2151                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2152                         if (for_paste) {
2153                                 clipboard = modest_runtime_get_email_clipboard ();
2154                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2155                         }
2156                 }
2157
2158                 if (for_paste)
2159                         result = !(is_local_acc && xfer_folders);
2160                 else
2161                         result = !is_local_acc;
2162                 goto frees;
2163         }
2164
2165         /* Check dimmed rule */
2166         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2167         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2168
2169         /* free */
2170  frees:
2171         if (parent_folder != NULL)
2172                 g_object_unref (parent_folder);
2173
2174         return result;
2175 }
2176
2177 static gboolean
2178 _selected_folder_not_deletable (ModestMainWindow *win)
2179 {
2180         GtkWidget *folder_view = NULL;
2181         TnyFolderStore *parent_folder = NULL;
2182         ModestTnyFolderRules rules;
2183         gboolean result = FALSE;
2184
2185         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2186
2187         /* Get folder view */
2188         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2189                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2190         /* If no folder view, always dimmed */
2191         if (!folder_view)
2192                 return TRUE;
2193
2194         /* Get selected folder as parent of new folder to create */
2195         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2196         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2197                 result = TRUE;
2198                 goto frees;
2199         }
2200
2201         /* Check dimmed rule */
2202         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2203         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2204
2205         /* free */
2206  frees:
2207         if (parent_folder != NULL)
2208                 g_object_unref (parent_folder);
2209
2210         return result;
2211 }
2212
2213 static gboolean
2214 _selected_folder_not_moveable (ModestMainWindow *win)
2215 {
2216         GtkWidget *folder_view = NULL;
2217         TnyFolderStore *parent_folder = NULL;
2218         ModestTnyFolderRules rules;
2219         gboolean result = FALSE;
2220
2221         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2222
2223         /* Get folder view */
2224         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2225                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2226         /* If no folder view, always dimmed */
2227         if (!folder_view)
2228                 return TRUE;
2229
2230         /* Get selected folder as parent of new folder to create */
2231         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2232         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2233                 result = TRUE;
2234                 goto frees;
2235         }
2236
2237         /* Check dimmed rule */
2238         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2239         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2240
2241         /* free */
2242  frees:
2243         if (parent_folder != NULL)
2244                 g_object_unref (parent_folder);
2245
2246         return result;
2247 }
2248
2249 static gboolean
2250 _selected_folder_not_renameable (ModestMainWindow *win)
2251 {
2252         GtkWidget *folder_view = NULL;
2253         TnyFolderStore *parent_folder = NULL;
2254         ModestTnyFolderRules rules;
2255         gboolean result = FALSE;
2256
2257         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2258
2259         /* Get folder view */
2260         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2261                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2262         /* If no folder view, always dimmed */
2263         if (!folder_view)
2264                 return TRUE;
2265
2266         /* Get selected folder as parent of new folder to create */
2267         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2268         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2269                 result = TRUE;
2270                 goto frees;
2271         }
2272
2273         /* Check dimmed rule */
2274         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2275         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2276
2277         /* free */
2278  frees:
2279         if (parent_folder != NULL)
2280                 g_object_unref (parent_folder);
2281
2282         return result;
2283 }
2284
2285 static gboolean
2286 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2287 {
2288         TnyFolderType types[2];
2289         gboolean result = FALSE;
2290
2291         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2292
2293         types[0] = TNY_FOLDER_TYPE_ROOT;
2294         types[1] = TNY_FOLDER_TYPE_INBOX;
2295
2296         /* Check folder type */
2297         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2298
2299         /* Check pop and MMC accounts */
2300         if (!result) {
2301                 result = _selected_folder_is_root (win);
2302         }
2303
2304         return result;
2305 }
2306
2307
2308 static gboolean
2309 _selected_folder_is_root (ModestMainWindow *win)
2310 {
2311         TnyFolderType types[1];
2312         gboolean result = FALSE;
2313
2314         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2315
2316         /* All accounts are root items: */
2317         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2318                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2319         if (folder_view) {
2320                 gboolean is_account = FALSE;
2321                 TnyFolderStore *folder_store =
2322                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2323                 if (folder_store) {
2324                         is_account = TNY_IS_ACCOUNT (folder_store);
2325
2326                         g_object_unref (folder_store);
2327                         folder_store = NULL;
2328                 }
2329
2330                 if (is_account)
2331                         return TRUE;
2332         }
2333
2334         /* Try something more precise: */
2335         types[0] = TNY_FOLDER_TYPE_ROOT;
2336
2337         /* Check folder type */
2338         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2339
2340         return result;
2341 }
2342
2343 static gboolean
2344 _header_view_is_all_selected (ModestMainWindow *win)
2345 {
2346         const DimmedState *state = NULL;
2347
2348         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2349
2350         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2351
2352         return state->all_selected;
2353 }
2354
2355 static gboolean
2356 _selected_folder_is_empty (ModestMainWindow *win)
2357 {
2358         GtkWidget *folder_view = NULL, *header_view = NULL;
2359         TnyFolderStore *folder = NULL;
2360         gboolean result = FALSE;
2361
2362         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2363
2364         /* Get folder view */
2365         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2366                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2367
2368         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2369                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2370
2371         /* If no folder view, always dimmed */
2372         if (!folder_view || !header_view)
2373                 return TRUE;
2374
2375         /* Get selected folder as parent of new folder to create */
2376         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2377         if (!(folder && TNY_IS_FOLDER(folder))) {
2378                 if (folder)
2379                         g_object_unref (folder);
2380                 return TRUE;
2381         }
2382
2383         /* Check folder type */
2384         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2385             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2386                 result = TRUE;
2387
2388         /* free */
2389         g_object_unref (folder);
2390
2391         return result;
2392 }
2393
2394 static gboolean
2395 _folder_view_has_focus (ModestWindow *win)
2396 {
2397         GtkWidget *folder_view = NULL;
2398
2399         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2400
2401         /* Get folder view */
2402         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2403                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2404         if (!folder_view)
2405                 return FALSE;
2406
2407         if (gtk_widget_is_focus(folder_view))
2408                 return TRUE;
2409
2410         return FALSE;
2411 }
2412
2413 static gboolean
2414 _selected_folder_is_same_as_source (ModestWindow *win)
2415 {
2416         ModestEmailClipboard *clipboard = NULL;
2417         GtkWidget *folder_view = NULL;
2418         TnyFolderStore *folder = NULL;
2419         gboolean result = FALSE;
2420
2421         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2422
2423         /* Get folder view */
2424         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2425                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2426         if (!folder_view)
2427                 return FALSE;
2428
2429         /* Get selected folder as destination folder */
2430         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2431         if (!(folder && TNY_IS_FOLDER(folder))) {
2432                 result = FALSE;
2433                 goto frees;
2434         }
2435
2436         /* Check clipboard is cleared */
2437         clipboard = modest_runtime_get_email_clipboard ();
2438         if (modest_email_clipboard_cleared (clipboard)) {
2439                 result = FALSE;
2440                 goto frees;
2441         }
2442
2443         /* Check source folder */
2444         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2445
2446         /* Free */
2447  frees:
2448         g_object_unref (folder);
2449
2450         return result;
2451 }
2452
2453 static gboolean
2454 _selected_folder_is_any_of_type (ModestWindow *win,
2455                                  TnyFolderType types[],
2456                                  guint ntypes)
2457 {
2458         GtkWidget *folder_view = NULL;
2459         TnyFolderStore *folder = NULL;
2460         TnyFolderType folder_type;
2461         guint i=0;
2462         gboolean result = FALSE;
2463
2464         /*Get current folder */
2465         if (MODEST_IS_MAIN_WINDOW(win)) {
2466
2467                 /* Get folder view */
2468                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2469                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2470                 /* If no folder view, always dimmed */
2471                 if (!folder_view)
2472                         return FALSE;
2473
2474                 /* Get selected folder as parent of new folder to create */
2475                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2476
2477                 if (!(folder && TNY_IS_FOLDER(folder))) {
2478                         if (folder)
2479                                 g_object_unref (folder);
2480                         return FALSE;
2481                 }
2482
2483                 /* Check folder type */
2484                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2485         }
2486         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2487                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2488                 for (i=0; i < ntypes; i++) {
2489                         result = result || folder_type == types[i];
2490                 }
2491         }
2492
2493
2494         /* free */
2495         if (folder)
2496                 g_object_unref (folder);
2497
2498         return result;
2499 }
2500
2501 static gboolean
2502 _folder_is_any_of_type (TnyFolder *folder,
2503                         TnyFolderType types[],
2504                         guint ntypes)
2505 {
2506         TnyFolderType folder_type;
2507         gboolean result = FALSE;
2508         guint i;
2509
2510         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2511
2512         /* Get folder type */
2513         folder_type = modest_tny_folder_guess_folder_type (folder);
2514         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2515                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2516
2517         /* Check foler type */
2518         for (i=0; i < ntypes; i++) {
2519                 result = result || folder_type == types[i];
2520         }
2521
2522         return result;
2523 }
2524
2525 static gboolean
2526 _clipboard_is_empty (ModestWindow *win)
2527 {
2528         gboolean result = FALSE;
2529
2530         if (MODEST_IS_MAIN_WINDOW (win)) {
2531                 ModestEmailClipboard *clipboard = NULL;
2532                 clipboard = modest_runtime_get_email_clipboard ();
2533                 if (modest_email_clipboard_cleared (clipboard))
2534                  result = TRUE;
2535         }
2536
2537         return result;
2538 }
2539
2540 static gboolean
2541 _invalid_clipboard_selected (ModestWindow *win,
2542                              ModestDimmingRule *rule)
2543 {
2544         const DimmedState *state = NULL;
2545         gboolean result = FALSE;
2546         GtkWidget *focused = NULL;
2547
2548         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2549         state = modest_window_get_dimming_state (win);
2550         /* Get focuesed widget */
2551         focused = gtk_window_get_focus (GTK_WINDOW (win));
2552
2553         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2554                 gboolean has_selection = FALSE;
2555                 if (GTK_IS_TEXT_VIEW (focused)) {
2556                         GtkTextBuffer *buffer = NULL;
2557                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2558                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2559                 } else if (GTK_IS_EDITABLE (focused)) {
2560                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2561                 }
2562                 result = !has_selection;
2563         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2564                 if (focused) {
2565                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2566                         if (GTK_IS_LABEL (focused) &&
2567                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2568                                 result = TRUE;
2569                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2570                                 GtkTextBuffer *buffer;
2571                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2572                                 result = !gtk_text_buffer_get_has_selection (buffer);
2573                         } else if (GTK_IS_HTML (focused)) {
2574                                 const gchar *sel;
2575                                 int len = -1;
2576                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2577                                 result = ((sel == NULL) || (sel[0] == '\0'));
2578                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2579                                 result = TRUE;
2580                         } else {
2581                                 GtkClipboard *clipboard;
2582                                 gchar *selection;
2583
2584                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2585                                 /* Get clipboard selection*/
2586                                 selection = gtk_clipboard_wait_for_text (clipboard);
2587                                 /* Check dimming */
2588                                 result = (selection == NULL);
2589                                 g_free (selection);
2590                         }
2591                 } else {
2592                         result = TRUE;
2593                 }
2594
2595                 if (result)
2596                         modest_dimming_rule_set_notification (rule, "");
2597
2598         }
2599         else if (MODEST_IS_MAIN_WINDOW (win)) {
2600                 /* Check dimming */
2601                 result = state->n_selected == 0;
2602                 if (result)
2603                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2604         }
2605
2606         return result;
2607 }
2608
2609
2610 static gboolean
2611 _invalid_attach_selected (ModestWindow *win,
2612                           gboolean unique,
2613                           gboolean for_view,
2614                           gboolean for_remove,
2615                           ModestDimmingRule *rule)
2616 {
2617         TnyList *attachments;
2618         gint n_selected;
2619         TnyHeaderFlags flags;
2620         gboolean nested_attachments = FALSE;
2621         gboolean selected_messages = FALSE;
2622         const DimmedState *state = NULL;
2623         gboolean result = FALSE;
2624
2625         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2626         state = modest_window_get_dimming_state (win);
2627
2628         if (MODEST_IS_MAIN_WINDOW (win)) {
2629                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2630                 if (!result)
2631                         result = !state->any_has_attachments;
2632         }
2633         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2634
2635                 /* Get selected atachments */
2636                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2637                 n_selected = tny_list_get_length (attachments);
2638
2639                 /* Check unique */
2640                 if (!result) {
2641                         if (unique)
2642                                 result = n_selected != 1;
2643                         else
2644
2645                                 result = n_selected < 1;
2646                 }
2647
2648                 /* Check attached type (view operation not required) */
2649                 if (!result && !for_view)  {
2650                         TnyIterator *iter;
2651                         iter = tny_list_create_iterator (attachments);
2652                         while (!tny_iterator_is_done (iter) && !result) {
2653 #ifdef MODEST_TOOLKIT_HILDON2
2654                                 gboolean not_selectable = FALSE;
2655 #endif
2656                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2657                                 TnyList *nested_list = tny_simple_list_new ();
2658                                 tny_mime_part_get_parts (mime_part, nested_list);
2659
2660                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
2661                                         TnyMsg *window_msg;
2662                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2663                                         if ((TnyMimePart *) window_msg != mime_part) {
2664                                                 selected_messages = TRUE;
2665 #ifdef MODEST_TOOLKIT_HILDON2
2666                                                 not_selectable = TRUE;
2667 #else
2668                                                 result = TRUE;
2669 #endif
2670                                         }
2671                                         g_object_unref (window_msg);
2672                                 }
2673                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2674                                         nested_attachments = TRUE;
2675 #ifdef MODEST_TOOLKIT_HILDON2
2676                                         not_selectable = TRUE;
2677 #else
2678                                         result = TRUE;
2679 #endif
2680                                 }
2681 #ifdef MODEST_TOOLKIT_HILDON2
2682                                 if (not_selectable)
2683                                         n_selected --;
2684 #endif
2685                                 g_object_unref (nested_list);
2686                                 g_object_unref (mime_part);
2687                                 tny_iterator_next (iter);
2688                         }
2689                         g_object_unref (iter);
2690                 }
2691
2692                 /* No valid attachment available */
2693                 if (n_selected == 0)
2694                         result = TRUE;
2695
2696                 /* Set notifications */
2697                 if (result && rule != NULL) {
2698                         if (selected_messages) {
2699                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2700                         } else if (nested_attachments) {
2701                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2702                         } else if (n_selected == 0) {
2703                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2704                         } else if (unique) {
2705                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2706                         }
2707                 }
2708
2709                 /* Free */
2710                 g_object_unref (attachments);
2711         }
2712
2713         return result;
2714 }
2715
2716 static gboolean
2717 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2718 {
2719         TnyList *attachments = NULL;
2720         TnyIterator *iter;
2721         gint purged = 0;
2722         gint n_attachments = 0;
2723         gboolean result = FALSE;
2724
2725         /* This should check if _all_ the attachments are already purged. If only some
2726          * of them are purged, then it does not cause dim as there's a confirmation dialog
2727          * for removing only local attachments */
2728
2729         /* Get selected atachments */
2730         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2731                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2732         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2733                 /* If we're in main window, we won't know if there are already purged attachments */
2734                 return FALSE;
2735         }
2736
2737         if (attachments == NULL)
2738                 return FALSE;
2739
2740         if (tny_list_get_length (attachments) == 0) {
2741                 g_object_unref (attachments);
2742                 return FALSE;
2743         }
2744
2745         iter = tny_list_create_iterator (attachments);
2746         while (!tny_iterator_is_done (iter)) {
2747                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2748                 if (tny_mime_part_is_purged (mime_part)) {
2749                         purged++;
2750                 }
2751                 n_attachments++;
2752                 g_object_unref (mime_part);
2753                 tny_iterator_next (iter);
2754         }
2755         g_object_unref (iter);
2756
2757         /* Free */
2758         g_object_unref (attachments);
2759
2760         if (all)
2761                 result = (purged == n_attachments);
2762         else
2763                 result = (purged > 0);
2764
2765         /* This string no longer exists, refer to NB#75415 for more info
2766         if (result && (rule != NULL))
2767                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2768         */
2769
2770         return result;
2771 }
2772
2773 static gboolean
2774 _invalid_msg_selected (ModestMainWindow *win,
2775                        gboolean unique,
2776                        ModestDimmingRule *rule)
2777 {
2778         GtkWidget *folder_view = NULL;
2779         const DimmedState *state = NULL;
2780         gboolean result = FALSE;
2781
2782         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2783         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2784         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2785
2786         /* Get folder view to check focus */
2787         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2788                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2789
2790         /* Check dimmed rule (TODO: check focus on widgets */
2791         if (!result) {
2792                 result = ((state->n_selected == 0 ) ||
2793                           (gtk_widget_is_focus (folder_view)));
2794                 if (result)
2795                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2796         }
2797         if (!result && unique) {
2798                 result = state->n_selected > 1;
2799                 if (result)
2800                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2801         }
2802
2803         return result;
2804 }
2805
2806
2807 static gboolean
2808 _msg_download_in_progress (ModestWindow *win)
2809 {
2810         gboolean result = FALSE;
2811
2812         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2813
2814         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2815                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2816         }
2817         else if (MODEST_IS_MAIN_WINDOW (win)) {
2818                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2819         }
2820
2821         return result;
2822 }
2823
2824 static gboolean
2825 _msg_download_completed (ModestMainWindow *win)
2826 {
2827         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2828         return state->any_marked_as_cached;
2829 }
2830
2831 static void
2832 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2833 {
2834         GSList **send_queues = (GSList **) userdata;
2835         *send_queues = g_slist_prepend (*send_queues, value);
2836 }
2837
2838 static gboolean
2839 _selected_msg_sent_in_progress (ModestWindow *win)
2840 {
2841         const DimmedState *state = modest_window_get_dimming_state (win);
2842         return state->sent_in_progress;
2843 }
2844
2845
2846 static gboolean
2847 _invalid_folder_for_purge (ModestWindow *win,
2848                            ModestDimmingRule *rule)
2849 {
2850         TnyFolder *folder = NULL;
2851         TnyAccount *account = NULL;
2852         gboolean result = FALSE;
2853
2854         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2855
2856                 /* Get folder and account of message */
2857                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2858                 g_return_val_if_fail(msg != NULL, TRUE);
2859                 folder = tny_msg_get_folder (msg);
2860                 g_object_unref (msg);
2861                 if (folder == NULL) {
2862                         result = TRUE;
2863                         goto frees;
2864                 }
2865         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2866                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2867                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2868                 if (!folder_view)
2869                         return FALSE;
2870                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2871                 /* Could be a folder store */
2872                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2873                         goto frees;
2874         } else {
2875                 g_return_val_if_reached (FALSE);
2876         }
2877         account = modest_tny_folder_get_account (folder);
2878         if (account == NULL) goto frees;
2879
2880         /* Check account */
2881         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2882                 TnyFolderType types[2];
2883                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2884                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2885
2886                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2887                         result = TRUE;
2888                 }
2889         } else {
2890                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2891                 /* If it's a remote folder then dim */
2892                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2893                                                                     protocol_type,
2894                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2895                         result = TRUE;
2896                 }
2897         }
2898
2899 frees:
2900         if (folder != NULL)
2901                 g_object_unref (folder);
2902         if (account != NULL)
2903                 g_object_unref (account);
2904
2905         return result;
2906 }
2907
2908 static gboolean
2909 _transfer_mode_enabled (ModestWindow *win)
2910 {
2911         gboolean result = FALSE;
2912
2913         /* Check dimming */
2914         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2915                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2916         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2917                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2918 #ifdef MODEST_TOOLKIT_HILDON2
2919         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
2920                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
2921         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2922                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2923 #endif
2924         } else {
2925                 g_warning("_transfer_mode_enabled called with wrong window type");
2926         }
2927
2928         return result;
2929 }
2930
2931 static gboolean
2932 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2933 {
2934         GtkWidget *folder_view = NULL;
2935         TnyFolderStore *folder = NULL;
2936         ModestEmailClipboard *clipboard = NULL;
2937         const gchar *folder_name = NULL;
2938         gboolean result = FALSE;
2939
2940         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2941
2942         /*Get current parent folder */
2943         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2944                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2945         /* If no folder view, always dimmed */
2946         if (!folder_view) return FALSE;
2947
2948         /* Get selected folder as parent of new folder to create */
2949         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2950         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2951
2952         /* get modest clipboard and source folder */
2953         clipboard = modest_runtime_get_email_clipboard ();
2954         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2955         if (folder_name == NULL) goto frees;
2956
2957         /* Check source subfolders names */
2958         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2959                                                             TRUE);
2960
2961         /* Free */
2962  frees:
2963         if (folder != NULL)
2964                 g_object_unref (folder);
2965
2966
2967         return result;
2968 }
2969
2970 gboolean
2971 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2972                                            gpointer user_data)
2973 {
2974         ModestDimmingRule *rule = NULL;
2975
2976         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2977         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2978         rule = MODEST_DIMMING_RULE (user_data);
2979
2980         /* Check dimmed rule */
2981         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2982 }
2983
2984 gboolean
2985 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2986                                          gpointer user_data)
2987 {
2988         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2989
2990         ModestMsgEditFormat format =
2991           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2992
2993         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2994 }
2995
2996 static gboolean
2997 _send_receive_in_progress (ModestWindow *win)
2998 {
2999         ModestMailOperationQueue *queue;
3000         GSList *op_list, *node;
3001         gboolean found_send_receive;
3002
3003         queue = modest_runtime_get_mail_operation_queue ();
3004         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
3005
3006         found_send_receive = FALSE;
3007         for (node = op_list; node != NULL; node = g_slist_next (node)) {
3008                 ModestMailOperation *op;
3009
3010                 op = (ModestMailOperation *) node->data;
3011                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
3012                         found_send_receive = TRUE;
3013                         break;
3014                 }
3015         }
3016
3017         if (op_list) {
3018                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
3019                 g_slist_free (op_list);
3020         }
3021
3022         return found_send_receive;
3023 }
3024
3025 static gboolean
3026 _msgs_send_in_progress (void)
3027 {
3028         ModestCacheMgr *cache_mgr;
3029         GHashTable *send_queue_cache;
3030         ModestTnySendQueue *send_queue;
3031         GSList *send_queues = NULL, *node = NULL;
3032         gboolean found = FALSE;
3033
3034         cache_mgr = modest_runtime_get_cache_mgr ();
3035         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
3036                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
3037
3038         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
3039
3040         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
3041                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
3042
3043                 /* Check if msg uid is being processed inside send queue */
3044                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
3045                         found = TRUE;
3046                         break;
3047                 }
3048         }
3049
3050         g_slist_free (send_queues);
3051
3052         return found;
3053 }