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 #endif
1213
1214 gboolean
1215 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1216 {
1217         ModestDimmingRule *rule = NULL;
1218         gboolean dimmed = FALSE;
1219
1220         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1221         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1222         rule = MODEST_DIMMING_RULE (user_data);
1223
1224         /* This could happen if we load the msg view window with a
1225            preview before loading the full message */
1226         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1227                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1228                 if (!msg) {
1229                         return TRUE;
1230                 } else {
1231                         g_object_unref (msg);
1232                 }
1233         }
1234
1235         /* Check dimmed rule */
1236         dimmed = _transfer_mode_enabled (win);
1237         if (dimmed)
1238                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1239
1240         return dimmed;
1241 }
1242
1243 gboolean
1244 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1245 {
1246         ModestDimmingRule *rule = NULL;
1247         TnyFolderType types[3];
1248         gboolean dimmed = FALSE;
1249
1250         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1251         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1252         rule = MODEST_DIMMING_RULE (user_data);
1253
1254         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1255         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1256         types[2] = TNY_FOLDER_TYPE_SENT;
1257
1258         /* Check dimmed rule */
1259         dimmed = _clipboard_is_empty (win);
1260         if (dimmed)
1261                 modest_dimming_rule_set_notification (rule,
1262                                                       _CS("ecoc_ib_edwin_nothing_to_paste"));
1263         if (!dimmed) {
1264                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1265                 if (dimmed)
1266                         modest_dimming_rule_set_notification (rule,
1267                                                               _CS("ckct_ib_unable_to_paste_here"));
1268         }
1269         if (!dimmed) {
1270                 dimmed = !_folder_view_has_focus (win);
1271                 if (dimmed)
1272                         modest_dimming_rule_set_notification (rule,
1273                                         _CS("ckct_ib_unable_to_paste_here"));
1274         }
1275         if (!dimmed) {
1276                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1277                 if (dimmed)
1278                         modest_dimming_rule_set_notification (rule,
1279                                                               _CS("ckct_ib_unable_to_paste_here"));
1280         }
1281         if (!dimmed) {
1282                 dimmed = _selected_folder_is_same_as_source (win);
1283                 if (dimmed)
1284                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1285         }
1286         if (!dimmed) {
1287                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1288                 if (dimmed)
1289                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1290         }
1291
1292         return dimmed;
1293 }
1294
1295
1296 gboolean
1297 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1298 {
1299         ModestDimmingRule *rule = NULL;
1300         gboolean dimmed = FALSE;
1301         GtkWidget *focused = NULL;
1302
1303         g_return_val_if_fail (MODEST_IS_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         focused = gtk_window_get_focus (GTK_WINDOW (win));
1308
1309         /* Main window dimming rules */
1310         if (MODEST_IS_MAIN_WINDOW (win))
1311                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1312
1313         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1314                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1315
1316         if (!dimmed && GTK_IS_ENTRY (focused)) {
1317                 const gchar *current_text;
1318                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1319                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1320         }
1321
1322         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1323                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1324                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1325         }
1326
1327         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1328                 dimmed = FALSE;
1329         return dimmed;
1330 }
1331
1332 gboolean
1333 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1334 {
1335         ModestDimmingRule *rule = NULL;
1336         gboolean dimmed = FALSE;
1337
1338         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1339         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1340         rule = MODEST_DIMMING_RULE (user_data);
1341
1342         /* Check dimmed rule */
1343         dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1344
1345         if (!dimmed) {
1346                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1347                 if (dimmed) {
1348                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1349                 }
1350         }
1351
1352         return dimmed;
1353 }
1354
1355 gboolean
1356 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1357 {
1358         ModestDimmingRule *rule = NULL;
1359         gboolean dimmed = FALSE;
1360
1361         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1362         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1363         rule = MODEST_DIMMING_RULE (user_data);
1364
1365         /* Check dimmed rule */
1366         dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1367
1368         if (!dimmed) {
1369                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1370                 if (dimmed) {
1371                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1372                 }
1373         }
1374
1375         return dimmed;
1376 }
1377
1378 gboolean
1379 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1380 {
1381         ModestDimmingRule *rule = NULL;
1382         const DimmedState *state = NULL;
1383         gboolean dimmed = FALSE;
1384
1385         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1386         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1387         rule = MODEST_DIMMING_RULE (user_data);
1388         state = modest_window_get_dimming_state (win);
1389
1390         /* Check in main window if there's only one message selected */
1391         if (MODEST_IS_MAIN_WINDOW (win)) {
1392                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1393         }
1394
1395         /* Check in view window if there's any attachment selected */
1396         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1397                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1398                 if (dimmed)
1399                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1400
1401                 if (!dimmed) {
1402                         TnyList *attachments;
1403                         TnyIterator *iter;
1404                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW (win));
1405                         if (attachments) {
1406                                 iter = tny_list_create_iterator (attachments);
1407                                 while (!tny_iterator_is_done (iter) && !dimmed) {
1408                                         TnyMimePart *mime_part = (TnyMimePart *)
1409                                                 tny_iterator_get_current (iter);
1410                                         if (modest_tny_mime_part_is_msg (mime_part))
1411                                                 dimmed = TRUE;
1412                                         g_object_unref (mime_part);
1413                                         tny_iterator_next (iter);
1414                                 }
1415                                 g_object_unref (iter);
1416                                 g_object_unref (attachments);
1417                         }
1418                 }
1419         }
1420
1421         if (!dimmed) {
1422
1423                 dimmed = _selected_msg_sent_in_progress (win);
1424                 if (dimmed) {
1425                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1426                 }
1427         }
1428
1429         /* cannot purge in editable drafts nor pop folders */
1430         if (!dimmed) {
1431                 dimmed = _invalid_folder_for_purge (win, rule);
1432                 if (dimmed)
1433                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1434         }
1435
1436         /* Check if the selected message in main window has attachments */
1437         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1438                 dimmed = !(state->any_has_attachments);
1439                 if (dimmed)
1440                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1441         }
1442
1443         /* Check if all attachments are already purged */
1444         if (!dimmed) {
1445                 dimmed = _purged_attach_selected (win, TRUE, rule);
1446         }
1447
1448         /* Check if the message is already downloaded */
1449         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1450                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1451                 if (dimmed)
1452                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1453         }
1454
1455         return dimmed;
1456 }
1457
1458 gboolean
1459 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1460 {
1461         ModestDimmingRule *rule = NULL;
1462         gboolean dimmed = FALSE;
1463
1464         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1465         rule = MODEST_DIMMING_RULE (user_data);
1466
1467         /* Check dimmed rule */
1468         if (MODEST_IS_MAIN_WINDOW (win)) {
1469                 dimmed = _clipboard_is_empty (win);
1470                 if (dimmed)
1471                         modest_dimming_rule_set_notification (rule, "");
1472         }
1473
1474         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1475                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1476         }
1477
1478         return dimmed;
1479 }
1480
1481 gboolean
1482 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1483 {
1484         ModestDimmingRule *rule = NULL;
1485         gboolean dimmed = FALSE;
1486
1487         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1488         rule = MODEST_DIMMING_RULE (user_data);
1489
1490         /* Check dimmed rule */
1491         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
1492                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1493         }
1494
1495         return dimmed;
1496 }
1497
1498 gboolean
1499 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1500 {
1501         ModestDimmingRule *rule = NULL;
1502         const DimmedState *state = NULL;
1503         gboolean dimmed = FALSE;
1504
1505         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1506         rule = MODEST_DIMMING_RULE (user_data);
1507         state = modest_window_get_dimming_state (win);
1508
1509         /* Check common dimming rules */
1510         dimmed = _invalid_clipboard_selected (win, rule);
1511
1512         /* Check window specific dimming rules */
1513         if (MODEST_IS_MAIN_WINDOW (win)) {
1514                 /* Get focused widget */
1515                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1516
1517                 if (MODEST_IS_HEADER_VIEW (focused)) {
1518                         if (!dimmed) {
1519                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1520                                 if (dimmed)
1521                                         modest_dimming_rule_set_notification (rule, "");
1522                         }
1523                         if (!dimmed) {
1524                                 dimmed = _selected_msg_sent_in_progress (win);
1525                                 if (dimmed)
1526                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1527                         }
1528                         if (!dimmed) {
1529                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1530                                 if(dimmed)
1531                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1532                         }
1533                 }
1534                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1535                         TnyFolderType types[3];
1536
1537                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1538                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1539                         types[2] = TNY_FOLDER_TYPE_SENT;
1540
1541                         /* Apply folder rules */
1542                         if (!dimmed) {
1543                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1544                                 if (dimmed)
1545                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1546                         }
1547                         if (!dimmed) {
1548                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1549                                 if (dimmed)
1550                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1551                         }
1552                         if (!dimmed) {
1553                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1554                                 if (dimmed)
1555                                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_items"));
1556                         }
1557                 }
1558         }
1559
1560         return dimmed;
1561 }
1562
1563 gboolean
1564 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1565 {
1566         ModestDimmingRule *rule = NULL;
1567         const DimmedState *state = NULL;
1568         gboolean dimmed = FALSE;
1569
1570         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1571         rule = MODEST_DIMMING_RULE (user_data);
1572         state = modest_window_get_dimming_state (win);
1573
1574         /* Check common dimming rules */
1575         dimmed = _invalid_clipboard_selected (win, rule);
1576
1577         /* Check window specific dimming rules */
1578         if (MODEST_IS_MAIN_WINDOW (win)) {
1579                 /* Get focused widget */
1580                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1581
1582                 if (MODEST_IS_HEADER_VIEW (focused)) {
1583                         if (!dimmed) {
1584                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1585                                 if (dimmed)
1586                                         modest_dimming_rule_set_notification (rule, "");
1587                         }
1588                         if (!dimmed) {
1589                                 dimmed = _selected_msg_sent_in_progress (win);
1590                                 if (dimmed)
1591                                         modest_dimming_rule_set_notification (rule, _(""));
1592                         }
1593                         if (!dimmed) {
1594                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1595                                 if(dimmed)
1596                                         modest_dimming_rule_set_notification (rule, _(""));
1597                         }
1598                 }
1599                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1600                         TnyFolderType types[3];
1601
1602                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1603                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1604                         types[2] = TNY_FOLDER_TYPE_SENT;
1605
1606                         if (!dimmed) {
1607                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1608                                 if (dimmed)
1609                                         modest_dimming_rule_set_notification (rule, _(""));
1610                         }
1611                         if (!dimmed) {
1612                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1613                                 if (dimmed)
1614                                         modest_dimming_rule_set_notification (rule, _(""));
1615                         }
1616                 }
1617         }
1618
1619         return dimmed;
1620 }
1621
1622 gboolean
1623 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1624 {
1625         ModestDimmingRule *rule = NULL;
1626         const DimmedState *state = NULL;
1627         gboolean dimmed = FALSE;
1628
1629         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1630         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1631         rule = MODEST_DIMMING_RULE (user_data);
1632         state = modest_window_get_dimming_state (win);
1633
1634
1635         /* Check common dimming rules */
1636         ModestMsgEditFormat format;
1637         format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1638
1639         dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1640         if (dimmed)
1641                 modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1642
1643         if (!dimmed) {
1644                 GtkWidget *body;
1645                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1646                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1647
1648                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1649                 if (dimmed)
1650                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1651         }
1652
1653
1654         return dimmed;
1655 }
1656
1657 gboolean
1658 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1659 {
1660         ModestDimmingRule *rule = NULL;
1661         const DimmedState *state = NULL;
1662         gboolean dimmed = FALSE;
1663
1664         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1665         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1666         rule = MODEST_DIMMING_RULE (user_data);
1667         state = modest_window_get_dimming_state (win);
1668
1669         GtkWidget *body;
1670         body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1671                                                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1672
1673         dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1674         if (dimmed)
1675                 modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1676
1677         return dimmed;
1678 }
1679
1680 gboolean
1681 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1682 {
1683         ModestDimmingRule *rule = NULL;
1684         const DimmedState *state = NULL;
1685         gboolean dimmed = FALSE;
1686         GtkWidget *focused = NULL;
1687
1688         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1689         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1690         rule = MODEST_DIMMING_RULE (user_data);
1691         state = modest_window_get_dimming_state (win);
1692
1693         focused = gtk_window_get_focus (GTK_WINDOW (win));
1694
1695         dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1696
1697         if (!dimmed) {
1698                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1699         }
1700
1701         if (!dimmed) {
1702                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1703                 const gchar *clipboard_text = modest_msg_edit_window_get_clipboard_text (MODEST_MSG_EDIT_WINDOW (win));
1704
1705                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1706                   ((clipboard_text == NULL) || (clipboard_text[0] == '\0'));
1707         }
1708
1709         return dimmed;
1710 }
1711
1712 gboolean
1713 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1714 {
1715         ModestDimmingRule *rule = NULL;
1716         const DimmedState *state = NULL;
1717         gboolean dimmed = FALSE;
1718         TnyList *selected_attachments = NULL;
1719         gint n_att_selected = 0;
1720         GtkWidget *attachments_view;
1721
1722         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1723         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1724         rule = MODEST_DIMMING_RULE (user_data);
1725         state = modest_window_get_dimming_state (win);
1726
1727         attachments_view = modest_msg_edit_window_get_child_widget (
1728                                                                     MODEST_MSG_EDIT_WINDOW (win),
1729                                                                     MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1730
1731 #ifdef MODEST_TOOLKIT_HILDON2
1732         selected_attachments = modest_attachments_view_get_attachments (
1733                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1734 #else
1735         selected_attachments = modest_attachments_view_get_selection (
1736                                                                       MODEST_ATTACHMENTS_VIEW (attachments_view));
1737 #endif
1738         n_att_selected = tny_list_get_length (selected_attachments);
1739         g_object_unref (selected_attachments);
1740
1741         dimmed = (n_att_selected < 1);
1742
1743         return dimmed;
1744 }
1745
1746 gboolean
1747 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1748 {
1749         ModestDimmingRule *rule = NULL;
1750         const DimmedState *state = NULL;
1751         gboolean dimmed = FALSE;
1752         GtkWidget *subject_field, *body_field;
1753         const gchar *subject = NULL;
1754
1755         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1756         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1757         rule = MODEST_DIMMING_RULE (user_data);
1758         state = modest_window_get_dimming_state (win);
1759
1760         body_field = modest_msg_edit_window_get_child_widget (
1761                                                               MODEST_MSG_EDIT_WINDOW (win),
1762                                                               MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1763         subject_field = modest_msg_edit_window_get_child_widget (
1764                                                                  MODEST_MSG_EDIT_WINDOW (win),
1765                                                                  MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1766         subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1767
1768         dimmed = (subject == NULL || subject[0] == '\0');
1769         if (dimmed)
1770                 modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_not_modified"));
1771
1772         if (!dimmed) {
1773                 GtkWidget *to_field, *cc_field, *bcc_field;
1774                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1775                 cc_field = modest_msg_edit_window_get_child_widget (
1776                         MODEST_MSG_EDIT_WINDOW (win),
1777                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1778                 to_field = modest_msg_edit_window_get_child_widget (
1779                         MODEST_MSG_EDIT_WINDOW (win),
1780                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1781                 bcc_field = modest_msg_edit_window_get_child_widget (
1782                         MODEST_MSG_EDIT_WINDOW (win),
1783                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1784                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1785                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1786                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1787
1788                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1789                            gtk_text_buffer_get_char_count (cc_buffer) +
1790                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1791                 if (dimmed)
1792                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1793         }
1794
1795         return dimmed;
1796 }
1797
1798 gboolean
1799 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1800 {
1801         ModestDimmingRule *rule = NULL;
1802         gboolean dimmed = FALSE;
1803
1804         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1805         rule = MODEST_DIMMING_RULE (user_data);
1806
1807         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1808
1809         /* Check dimmed rule */
1810         dimmed = _transfer_mode_enabled (win);
1811         if (dimmed)
1812                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1813
1814         if (!dimmed) {
1815                 dimmed = modest_msg_view_window_first_message_selected (
1816                                 MODEST_MSG_VIEW_WINDOW(win));
1817                 modest_dimming_rule_set_notification (rule, NULL);
1818         }
1819
1820         return dimmed;
1821 }
1822
1823 gboolean
1824 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1825 {
1826         ModestDimmingRule *rule = NULL;
1827         gboolean dimmed = FALSE;
1828
1829         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1830         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1831         rule = MODEST_DIMMING_RULE (user_data);
1832
1833         /* Check dimmed rule */
1834         dimmed = _transfer_mode_enabled (win);
1835         if (dimmed)
1836                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1837
1838         if (!dimmed) {
1839                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1840                 modest_dimming_rule_set_notification (rule, NULL);
1841         }
1842
1843         return dimmed;
1844 }
1845
1846
1847 gboolean
1848 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1849 {
1850         return !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1851                                                 TRUE);
1852 }
1853
1854 gboolean
1855 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1856 {
1857         ModestDimmingRule *rule = NULL;
1858         TnyFolderType types[1];
1859         const DimmedState *state = NULL;
1860         gboolean dimmed = FALSE;
1861
1862         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1863         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1864         rule = MODEST_DIMMING_RULE (user_data);
1865         state = modest_window_get_dimming_state (win);
1866
1867         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1868
1869         /* Check dimmed rules */
1870         dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1871         if (dimmed)
1872                 modest_dimming_rule_set_notification (rule, "");
1873         if (!dimmed) {
1874                 dimmed = !state->sent_in_progress;
1875                 if (dimmed)
1876                         modest_dimming_rule_set_notification (rule, "");
1877         }
1878
1879         return dimmed;
1880 }
1881
1882 gboolean
1883 modest_ui_dimming_rules_on_cancel_sending_all (ModestWindow *win, gpointer user_data)
1884 {
1885         /* We dim if no msg send is in progress (and then cancelling send all has no
1886          * effect */
1887         return !_msgs_send_in_progress ();
1888 }
1889
1890 gboolean
1891 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1892 {
1893         ModestDimmingRule *rule = NULL;
1894         gboolean dimmed = FALSE;
1895         ModestAccountMgr *mgr;
1896         const gchar* account_name;
1897
1898         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1899         rule = MODEST_DIMMING_RULE (user_data);
1900         mgr = modest_runtime_get_account_mgr();
1901
1902         /* Check dimmed rule */
1903         account_name = modest_window_get_active_account (win);
1904
1905         if (account_name)
1906                 dimmed = modest_account_mgr_account_is_busy (mgr, account_name);
1907         else
1908                 dimmed = TRUE;
1909
1910         if (dimmed)
1911                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1912
1913         return dimmed;
1914 }
1915
1916 gboolean
1917 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1918 {
1919         ModestDimmingRule *rule = NULL;
1920         gboolean dimmed = FALSE;
1921
1922         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1923         rule = MODEST_DIMMING_RULE (user_data);
1924
1925         /* Check dimmed rule */
1926         GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1927         if (g_slist_length (account_names) < 1)
1928                 dimmed = TRUE;
1929         if (dimmed)
1930                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1931
1932         modest_account_mgr_free_account_names (account_names);
1933
1934         if (!dimmed) {
1935                 dimmed = _send_receive_in_progress (win);
1936         }
1937
1938         return dimmed;
1939 }
1940
1941 #ifdef MODEST_TOOLKIT_HILDON2
1942 gboolean
1943 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1944 {
1945         TnyMsg *msg;
1946         GSList *recipients, *node;
1947         gboolean has_recipients_to_add;
1948
1949         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1950         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1951
1952         msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1953
1954         /* Message is loaded asynchronously, so this could happen */
1955         if (!msg) {
1956 #ifdef MODEST_TOOLKIT_HILDON2
1957                 TnyHeader *header;
1958
1959                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
1960                 if (!header)
1961                         return TRUE;
1962
1963                 recipients = modest_tny_msg_header_get_all_recipients_list (header);
1964                 g_object_unref (header);
1965 #else
1966                 return TRUE;
1967 #endif
1968         } else {
1969                 recipients = modest_tny_msg_get_all_recipients_list (msg);
1970                 g_object_unref (msg);
1971         }
1972
1973         has_recipients_to_add = FALSE;
1974         for (node = recipients; node != NULL; node = g_slist_next (node)) {
1975                 if (!modest_address_book_has_address ((const gchar *) node->data)) {
1976                         has_recipients_to_add = TRUE;
1977                         break;
1978                 }
1979         }
1980
1981         g_slist_foreach (recipients, (GFunc) g_free, NULL);
1982         g_slist_free (recipients);
1983
1984         return !has_recipients_to_add;
1985 }
1986 #else
1987 gboolean
1988 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1989 {
1990         ModestDimmingRule *rule = NULL;
1991         gboolean dimmed = FALSE;
1992         GtkWidget *focused = NULL;
1993
1994         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1995         rule = MODEST_DIMMING_RULE (user_data);
1996         focused = gtk_window_get_focus (GTK_WINDOW (win));
1997
1998         dimmed = !focused;
1999
2000         if (!dimmed) {
2001                 gchar *selection = NULL;
2002                 if (GTK_IS_TEXT_VIEW (focused)) {
2003                         GtkTextIter start, end;
2004                         GtkTextBuffer *buffer = NULL;
2005                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2006                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
2007                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2008                         }
2009                 } else if (GTK_IS_LABEL (focused)) {
2010                         selection = modest_text_utils_label_get_selection (GTK_LABEL (focused));
2011                 } else {
2012                         gboolean do_check = TRUE;
2013                         GtkClipboard *clipboard;
2014                         if (GTK_IS_HTML (focused)) {
2015                                 const gchar *sel;
2016                                 int len = -1;
2017                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2018                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
2019                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2020                                 do_check = FALSE;
2021                         }
2022                         if (do_check) {
2023                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2024                                 selection = gtk_clipboard_wait_for_text (clipboard);
2025                         } else {
2026                                 selection = NULL;
2027                         }
2028                 }
2029                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
2030         }
2031
2032         return dimmed;
2033 }
2034 #endif
2035
2036 /* *********************** static utility functions ******************** */
2037
2038
2039 static gboolean
2040 _selected_folder_not_writeable (ModestMainWindow *win,
2041                                 gboolean for_paste)
2042 {
2043         GtkWidget *folder_view = NULL;
2044         TnyFolderStore *parent_folder = NULL;
2045         ModestEmailClipboard *clipboard = NULL;
2046         ModestTnyFolderRules rules;
2047         gboolean is_local_acc = FALSE;
2048         gboolean xfer_folders = FALSE;
2049         gboolean result = FALSE;
2050
2051         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2052
2053         /* Get folder view */
2054         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2055                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2056         /* If no folder view, always dimmed */
2057         if (!folder_view)
2058                 return TRUE;
2059
2060         /* Get selected folder as parent of new folder to create */
2061         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2062         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2063                 /* If it's the local account and its transfering folders, then do not dim */
2064                 if (TNY_IS_ACCOUNT (parent_folder)) {
2065                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
2066                         if (for_paste) {
2067                                 clipboard = modest_runtime_get_email_clipboard ();
2068                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
2069                         }
2070                 }
2071
2072                 if (for_paste)
2073                         result = !(is_local_acc && xfer_folders);
2074                 else
2075                         result = !is_local_acc;
2076                 goto frees;
2077         }
2078
2079         /* Check dimmed rule */
2080         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2081         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2082
2083         /* free */
2084  frees:
2085         if (parent_folder != NULL)
2086                 g_object_unref (parent_folder);
2087
2088         return result;
2089 }
2090
2091 static gboolean
2092 _selected_folder_not_deletable (ModestMainWindow *win)
2093 {
2094         GtkWidget *folder_view = NULL;
2095         TnyFolderStore *parent_folder = NULL;
2096         ModestTnyFolderRules rules;
2097         gboolean result = FALSE;
2098
2099         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2100
2101         /* Get folder view */
2102         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2103                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2104         /* If no folder view, always dimmed */
2105         if (!folder_view)
2106                 return TRUE;
2107
2108         /* Get selected folder as parent of new folder to create */
2109         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2110         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2111                 result = TRUE;
2112                 goto frees;
2113         }
2114
2115         /* Check dimmed rule */
2116         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2117         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
2118
2119         /* free */
2120  frees:
2121         if (parent_folder != NULL)
2122                 g_object_unref (parent_folder);
2123
2124         return result;
2125 }
2126
2127 static gboolean
2128 _selected_folder_not_moveable (ModestMainWindow *win)
2129 {
2130         GtkWidget *folder_view = NULL;
2131         TnyFolderStore *parent_folder = NULL;
2132         ModestTnyFolderRules rules;
2133         gboolean result = FALSE;
2134
2135         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2136
2137         /* Get folder view */
2138         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2139                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2140         /* If no folder view, always dimmed */
2141         if (!folder_view)
2142                 return TRUE;
2143
2144         /* Get selected folder as parent of new folder to create */
2145         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2146         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2147                 result = TRUE;
2148                 goto frees;
2149         }
2150
2151         /* Check dimmed rule */
2152         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2153         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2154
2155         /* free */
2156  frees:
2157         if (parent_folder != NULL)
2158                 g_object_unref (parent_folder);
2159
2160         return result;
2161 }
2162
2163 static gboolean
2164 _selected_folder_not_renameable (ModestMainWindow *win)
2165 {
2166         GtkWidget *folder_view = NULL;
2167         TnyFolderStore *parent_folder = NULL;
2168         ModestTnyFolderRules rules;
2169         gboolean result = FALSE;
2170
2171         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2172
2173         /* Get folder view */
2174         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2175                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2176         /* If no folder view, always dimmed */
2177         if (!folder_view)
2178                 return TRUE;
2179
2180         /* Get selected folder as parent of new folder to create */
2181         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2182         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
2183                 result = TRUE;
2184                 goto frees;
2185         }
2186
2187         /* Check dimmed rule */
2188         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
2189         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
2190
2191         /* free */
2192  frees:
2193         if (parent_folder != NULL)
2194                 g_object_unref (parent_folder);
2195
2196         return result;
2197 }
2198
2199 static gboolean
2200 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
2201 {
2202         TnyFolderType types[2];
2203         gboolean result = FALSE;
2204
2205         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2206
2207         types[0] = TNY_FOLDER_TYPE_ROOT;
2208         types[1] = TNY_FOLDER_TYPE_INBOX;
2209
2210         /* Check folder type */
2211         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2212
2213         /* Check pop and MMC accounts */
2214         if (!result) {
2215                 result = _selected_folder_is_root (win);
2216         }
2217
2218         return result;
2219 }
2220
2221
2222 static gboolean
2223 _selected_folder_is_root (ModestMainWindow *win)
2224 {
2225         TnyFolderType types[1];
2226         gboolean result = FALSE;
2227
2228         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2229
2230         /* All accounts are root items: */
2231         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2232                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2233         if (folder_view) {
2234                 gboolean is_account = FALSE;
2235                 TnyFolderStore *folder_store =
2236                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2237                 if (folder_store) {
2238                         is_account = TNY_IS_ACCOUNT (folder_store);
2239
2240                         g_object_unref (folder_store);
2241                         folder_store = NULL;
2242                 }
2243
2244                 if (is_account)
2245                         return TRUE;
2246         }
2247
2248         /* Try something more precise: */
2249         types[0] = TNY_FOLDER_TYPE_ROOT;
2250
2251         /* Check folder type */
2252         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2253
2254         return result;
2255 }
2256
2257 static gboolean
2258 _header_view_is_all_selected (ModestMainWindow *win)
2259 {
2260         const DimmedState *state = NULL;
2261
2262         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2263
2264         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2265
2266         return state->all_selected;
2267 }
2268
2269 static gboolean
2270 _selected_folder_is_empty (ModestMainWindow *win)
2271 {
2272         GtkWidget *folder_view = NULL, *header_view = NULL;
2273         TnyFolderStore *folder = NULL;
2274         gboolean result = FALSE;
2275
2276         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2277
2278         /* Get folder view */
2279         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2280                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2281
2282         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2283                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
2284
2285         /* If no folder view, always dimmed */
2286         if (!folder_view || !header_view)
2287                 return TRUE;
2288
2289         /* Get selected folder as parent of new folder to create */
2290         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2291         if (!(folder && TNY_IS_FOLDER(folder))) {
2292                 if (folder)
2293                         g_object_unref (folder);
2294                 return TRUE;
2295         }
2296
2297         /* Check folder type */
2298         if (modest_header_view_is_empty (MODEST_HEADER_VIEW (header_view)) ||
2299             tny_folder_get_all_count (TNY_FOLDER (folder)) == 0)
2300                 result = TRUE;
2301
2302         /* free */
2303         g_object_unref (folder);
2304
2305         return result;
2306 }
2307
2308 static gboolean
2309 _folder_view_has_focus (ModestWindow *win)
2310 {
2311         GtkWidget *folder_view = NULL;
2312
2313         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2314
2315         /* Get folder view */
2316         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2317                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2318         if (!folder_view)
2319                 return FALSE;
2320
2321         if (gtk_widget_is_focus(folder_view))
2322                 return TRUE;
2323
2324         return FALSE;
2325 }
2326
2327 static gboolean
2328 _selected_folder_is_same_as_source (ModestWindow *win)
2329 {
2330         ModestEmailClipboard *clipboard = NULL;
2331         GtkWidget *folder_view = NULL;
2332         TnyFolderStore *folder = NULL;
2333         gboolean result = FALSE;
2334
2335         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2336
2337         /* Get folder view */
2338         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2339                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2340         if (!folder_view)
2341                 return FALSE;
2342
2343         /* Get selected folder as destination folder */
2344         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2345         if (!(folder && TNY_IS_FOLDER(folder))) {
2346                 result = FALSE;
2347                 goto frees;
2348         }
2349
2350         /* Check clipboard is cleared */
2351         clipboard = modest_runtime_get_email_clipboard ();
2352         if (modest_email_clipboard_cleared (clipboard)) {
2353                 result = FALSE;
2354                 goto frees;
2355         }
2356
2357         /* Check source folder */
2358         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2359
2360         /* Free */
2361  frees:
2362         g_object_unref (folder);
2363
2364         return result;
2365 }
2366
2367 static gboolean
2368 _selected_folder_is_any_of_type (ModestWindow *win,
2369                                  TnyFolderType types[],
2370                                  guint ntypes)
2371 {
2372         GtkWidget *folder_view = NULL;
2373         TnyFolderStore *folder = NULL;
2374         TnyFolderType folder_type;
2375         guint i=0;
2376         gboolean result = FALSE;
2377
2378         /*Get current folder */
2379         if (MODEST_IS_MAIN_WINDOW(win)) {
2380
2381                 /* Get folder view */
2382                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2383                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2384                 /* If no folder view, always dimmed */
2385                 if (!folder_view)
2386                         return FALSE;
2387
2388                 /* Get selected folder as parent of new folder to create */
2389                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2390
2391                 if (!(folder && TNY_IS_FOLDER(folder))) {
2392                         if (folder)
2393                                 g_object_unref (folder);
2394                         return FALSE;
2395                 }
2396
2397                 /* Check folder type */
2398                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2399         }
2400         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2401                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2402                 for (i=0; i < ntypes; i++) {
2403                         result = result || folder_type == types[i];
2404                 }
2405         }
2406
2407
2408         /* free */
2409         if (folder)
2410                 g_object_unref (folder);
2411
2412         return result;
2413 }
2414
2415 static gboolean
2416 _folder_is_any_of_type (TnyFolder *folder,
2417                         TnyFolderType types[],
2418                         guint ntypes)
2419 {
2420         TnyFolderType folder_type;
2421         gboolean result = FALSE;
2422         guint i;
2423
2424         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2425
2426         /* Get folder type */
2427         folder_type = modest_tny_folder_guess_folder_type (folder);
2428         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2429                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2430
2431         /* Check foler type */
2432         for (i=0; i < ntypes; i++) {
2433                 result = result || folder_type == types[i];
2434         }
2435
2436         return result;
2437 }
2438
2439 static gboolean
2440 _clipboard_is_empty (ModestWindow *win)
2441 {
2442         gboolean result = FALSE;
2443
2444         if (MODEST_IS_MAIN_WINDOW (win)) {
2445                 ModestEmailClipboard *clipboard = NULL;
2446                 clipboard = modest_runtime_get_email_clipboard ();
2447                 if (modest_email_clipboard_cleared (clipboard))
2448                  result = TRUE;
2449         }
2450
2451         return result;
2452 }
2453
2454 static gboolean
2455 _invalid_clipboard_selected (ModestWindow *win,
2456                              ModestDimmingRule *rule)
2457 {
2458         const DimmedState *state = NULL;
2459         gboolean result = FALSE;
2460         GtkWidget *focused = NULL;
2461
2462         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2463         state = modest_window_get_dimming_state (win);
2464         /* Get focuesed widget */
2465         focused = gtk_window_get_focus (GTK_WINDOW (win));
2466
2467         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2468                 gboolean has_selection = FALSE;
2469                 if (GTK_IS_TEXT_VIEW (focused)) {
2470                         GtkTextBuffer *buffer = NULL;
2471                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2472                         has_selection = modest_text_utils_buffer_selection_is_valid (buffer);
2473                 } else if (GTK_IS_EDITABLE (focused)) {
2474                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2475                 }
2476                 result = !has_selection;
2477         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2478                 if (focused) {
2479                         MODEST_DEBUG_BLOCK (g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused))););
2480                         if (GTK_IS_LABEL (focused) &&
2481                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2482                                 result = TRUE;
2483                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2484                                 GtkTextBuffer *buffer;
2485                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2486                                 result = !gtk_text_buffer_get_has_selection (buffer);
2487                         } else if (GTK_IS_HTML (focused)) {
2488                                 const gchar *sel;
2489                                 int len = -1;
2490                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2491                                 result = ((sel == NULL) || (sel[0] == '\0'));
2492                         } else if (MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2493                                 result = TRUE;
2494                         } else {
2495                                 GtkClipboard *clipboard;
2496                                 gchar *selection;
2497
2498                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2499                                 /* Get clipboard selection*/
2500                                 selection = gtk_clipboard_wait_for_text (clipboard);
2501                                 /* Check dimming */
2502                                 result = (selection == NULL);
2503                                 g_free (selection);
2504                         }
2505                 } else {
2506                         result = TRUE;
2507                 }
2508
2509                 if (result)
2510                         modest_dimming_rule_set_notification (rule, "");
2511
2512         }
2513         else if (MODEST_IS_MAIN_WINDOW (win)) {
2514                 /* Check dimming */
2515                 result = state->n_selected == 0;
2516                 if (result)
2517                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2518         }
2519
2520         return result;
2521 }
2522
2523
2524 static gboolean
2525 _invalid_attach_selected (ModestWindow *win,
2526                           gboolean unique,
2527                           gboolean for_view,
2528                           gboolean for_remove,
2529                           ModestDimmingRule *rule)
2530 {
2531         TnyList *attachments;
2532         gint n_selected;
2533         TnyHeaderFlags flags;
2534         gboolean nested_attachments = FALSE;
2535         gboolean selected_messages = FALSE;
2536         const DimmedState *state = NULL;
2537         gboolean result = FALSE;
2538
2539         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2540         state = modest_window_get_dimming_state (win);
2541
2542         if (MODEST_IS_MAIN_WINDOW (win)) {
2543                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2544                 if (!result)
2545                         result = !state->any_has_attachments;
2546         }
2547         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2548
2549                 /* Get selected atachments */
2550                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2551                 n_selected = tny_list_get_length (attachments);
2552
2553                 /* Check unique */
2554                 if (!result) {
2555                         if (unique)
2556                                 result = n_selected != 1;
2557                         else
2558
2559                                 result = n_selected < 1;
2560                 }
2561
2562                 /* Check attached type (view operation not required) */
2563                 if (!result && !for_view)  {
2564                         TnyIterator *iter;
2565                         iter = tny_list_create_iterator (attachments);
2566                         while (!tny_iterator_is_done (iter) && !result) {
2567 #ifdef MODEST_TOOLKIT_HILDON2
2568                                 gboolean not_selectable = FALSE;
2569 #endif
2570                                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2571                                 TnyList *nested_list = tny_simple_list_new ();
2572                                 tny_mime_part_get_parts (mime_part, nested_list);
2573
2574                                 if (!for_remove && modest_tny_mime_part_is_msg (mime_part)) {
2575                                         TnyMsg *window_msg;
2576                                         window_msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2577                                         if ((TnyMimePart *) window_msg != mime_part) {
2578                                                 selected_messages = TRUE;
2579 #ifdef MODEST_TOOLKIT_HILDON2
2580                                                 not_selectable = TRUE;
2581 #else
2582                                                 result = TRUE;
2583 #endif
2584                                         }
2585                                         g_object_unref (window_msg);
2586                                 }
2587                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2588                                         nested_attachments = TRUE;
2589 #ifdef MODEST_TOOLKIT_HILDON2
2590                                         not_selectable = TRUE;
2591 #else
2592                                         result = TRUE;
2593 #endif
2594                                 }
2595 #ifdef MODEST_TOOLKIT_HILDON2
2596                                 if (not_selectable)
2597                                         n_selected --;
2598 #endif
2599                                 g_object_unref (nested_list);
2600                                 g_object_unref (mime_part);
2601                                 tny_iterator_next (iter);
2602                         }
2603                         g_object_unref (iter);
2604                 }
2605
2606                 /* No valid attachment available */
2607                 if (n_selected == 0)
2608                         result = TRUE;
2609
2610                 /* Set notifications */
2611                 if (result && rule != NULL) {
2612                         if (selected_messages) {
2613                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2614                         } else if (nested_attachments) {
2615                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2616                         } else if (n_selected == 0) {
2617                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2618                         } else if (unique) {
2619                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2620                         }
2621                 }
2622
2623                 /* Free */
2624                 g_object_unref (attachments);
2625         }
2626
2627         return result;
2628 }
2629
2630 static gboolean
2631 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2632 {
2633         TnyList *attachments = NULL;
2634         TnyIterator *iter;
2635         gint purged = 0;
2636         gint n_attachments = 0;
2637         gboolean result = FALSE;
2638
2639         /* This should check if _all_ the attachments are already purged. If only some
2640          * of them are purged, then it does not cause dim as there's a confirmation dialog
2641          * for removing only local attachments */
2642
2643         /* Get selected atachments */
2644         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2645                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2646         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2647                 /* If we're in main window, we won't know if there are already purged attachments */
2648                 return FALSE;
2649         }
2650
2651         if (attachments == NULL)
2652                 return FALSE;
2653
2654         if (tny_list_get_length (attachments) == 0) {
2655                 g_object_unref (attachments);
2656                 return FALSE;
2657         }
2658
2659         iter = tny_list_create_iterator (attachments);
2660         while (!tny_iterator_is_done (iter)) {
2661                 TnyMimePart *mime_part = TNY_MIME_PART (tny_iterator_get_current (iter));
2662                 if (tny_mime_part_is_purged (mime_part)) {
2663                         purged++;
2664                 }
2665                 n_attachments++;
2666                 g_object_unref (mime_part);
2667                 tny_iterator_next (iter);
2668         }
2669         g_object_unref (iter);
2670
2671         /* Free */
2672         g_object_unref (attachments);
2673
2674         if (all)
2675                 result = (purged == n_attachments);
2676         else
2677                 result = (purged > 0);
2678
2679         /* This string no longer exists, refer to NB#75415 for more info
2680         if (result && (rule != NULL))
2681                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2682         */
2683
2684         return result;
2685 }
2686
2687 static gboolean
2688 _invalid_msg_selected (ModestMainWindow *win,
2689                        gboolean unique,
2690                        ModestDimmingRule *rule)
2691 {
2692         GtkWidget *folder_view = NULL;
2693         const DimmedState *state = NULL;
2694         gboolean result = FALSE;
2695
2696         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2697         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2698         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2699
2700         /* Get folder view to check focus */
2701         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2702                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2703
2704         /* Check dimmed rule (TODO: check focus on widgets */
2705         if (!result) {
2706                 result = ((state->n_selected == 0 ) ||
2707                           (gtk_widget_is_focus (folder_view)));
2708                 if (result)
2709                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2710         }
2711         if (!result && unique) {
2712                 result = state->n_selected > 1;
2713                 if (result)
2714                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2715         }
2716
2717         return result;
2718 }
2719
2720
2721 static gboolean
2722 _msg_download_in_progress (ModestWindow *win)
2723 {
2724         gboolean result = FALSE;
2725
2726         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2727
2728         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2729                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2730         }
2731         else if (MODEST_IS_MAIN_WINDOW (win)) {
2732                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2733         }
2734
2735         return result;
2736 }
2737
2738 static gboolean
2739 _msg_download_completed (ModestMainWindow *win)
2740 {
2741         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2742         return state->any_marked_as_cached;
2743 }
2744
2745 static void
2746 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2747 {
2748         GSList **send_queues = (GSList **) userdata;
2749         *send_queues = g_slist_prepend (*send_queues, value);
2750 }
2751
2752 static gboolean
2753 _selected_msg_sent_in_progress (ModestWindow *win)
2754 {
2755         const DimmedState *state = modest_window_get_dimming_state (win);
2756         return state->sent_in_progress;
2757 }
2758
2759
2760 static gboolean
2761 _invalid_folder_for_purge (ModestWindow *win,
2762                            ModestDimmingRule *rule)
2763 {
2764         TnyFolder *folder = NULL;
2765         TnyAccount *account = NULL;
2766         gboolean result = FALSE;
2767
2768         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2769
2770                 /* Get folder and account of message */
2771                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2772                 g_return_val_if_fail(msg != NULL, TRUE);
2773                 folder = tny_msg_get_folder (msg);
2774                 g_object_unref (msg);
2775                 if (folder == NULL) {
2776                         result = TRUE;
2777                         goto frees;
2778                 }
2779         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2780                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2781                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2782                 if (!folder_view)
2783                         return FALSE;
2784                 folder = (TnyFolder *) modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
2785                 /* Could be a folder store */
2786                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2787                         goto frees;
2788         } else {
2789                 g_return_val_if_reached (FALSE);
2790         }
2791         account = modest_tny_folder_get_account (folder);
2792         if (account == NULL) goto frees;
2793
2794         /* Check account */
2795         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2796                 TnyFolderType types[2];
2797                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2798                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2799
2800                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2801                         result = TRUE;
2802                 }
2803         } else {
2804                 ModestProtocolType protocol_type = modest_tny_account_get_protocol_type (TNY_ACCOUNT (account));
2805                 /* If it's a remote folder then dim */
2806                 if (modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
2807                                                                     protocol_type,
2808                                                                     MODEST_PROTOCOL_REGISTRY_REMOTE_STORE_PROTOCOLS)) {
2809                         result = TRUE;
2810                 }
2811         }
2812
2813 frees:
2814         if (folder != NULL)
2815                 g_object_unref (folder);
2816         if (account != NULL)
2817                 g_object_unref (account);
2818
2819         return result;
2820 }
2821
2822 static gboolean
2823 _transfer_mode_enabled (ModestWindow *win)
2824 {
2825         gboolean result = FALSE;
2826
2827         /* Check dimming */
2828         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2829                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2830         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2831                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2832 #ifdef MODEST_TOOLKIT_HILDON2
2833         } else if (MODEST_IS_FOLDER_WINDOW (win)) {
2834                 result = modest_folder_window_transfer_mode_enabled (MODEST_FOLDER_WINDOW (win));
2835         } else if (MODEST_IS_HEADER_WINDOW (win)) {
2836                 result = modest_header_window_transfer_mode_enabled (MODEST_HEADER_WINDOW (win));
2837 #endif
2838         } else {
2839                 g_warning("_transfer_mode_enabled called with wrong window type");
2840         }
2841
2842         return result;
2843 }
2844
2845 static gboolean
2846 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2847 {
2848         GtkWidget *folder_view = NULL;
2849         TnyFolderStore *folder = NULL;
2850         ModestEmailClipboard *clipboard = NULL;
2851         const gchar *folder_name = NULL;
2852         gboolean result = FALSE;
2853
2854         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2855
2856         /*Get current parent folder */
2857         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2858                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2859         /* If no folder view, always dimmed */
2860         if (!folder_view) return FALSE;
2861
2862         /* Get selected folder as parent of new folder to create */
2863         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2864         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2865
2866         /* get modest clipboard and source folder */
2867         clipboard = modest_runtime_get_email_clipboard ();
2868         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2869         if (folder_name == NULL) goto frees;
2870
2871         /* Check source subfolders names */
2872         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2873                                                             TRUE);
2874
2875         /* Free */
2876  frees:
2877         if (folder != NULL)
2878                 g_object_unref (folder);
2879
2880
2881         return result;
2882 }
2883
2884 gboolean
2885 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2886                                            gpointer user_data)
2887 {
2888         ModestDimmingRule *rule = NULL;
2889
2890         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2891         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2892         rule = MODEST_DIMMING_RULE (user_data);
2893
2894         /* Check dimmed rule */
2895         return !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2896 }
2897
2898 gboolean
2899 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2900                                          gpointer user_data)
2901 {
2902         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2903
2904         ModestMsgEditFormat format =
2905           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2906
2907         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2908 }
2909
2910 static gboolean
2911 _send_receive_in_progress (ModestWindow *win)
2912 {
2913         ModestMailOperationQueue *queue;
2914         GSList *op_list, *node;
2915         gboolean found_send_receive;
2916
2917         queue = modest_runtime_get_mail_operation_queue ();
2918         op_list = modest_mail_operation_queue_get_by_source (queue, G_OBJECT (win));
2919
2920         found_send_receive = FALSE;
2921         for (node = op_list; node != NULL; node = g_slist_next (node)) {
2922                 ModestMailOperation *op;
2923
2924                 op = (ModestMailOperation *) node->data;
2925                 if (modest_mail_operation_get_type_operation (op) == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
2926                         found_send_receive = TRUE;
2927                         break;
2928                 }
2929         }
2930
2931         if (op_list) {
2932                 g_slist_foreach (op_list, (GFunc) g_object_unref, NULL);
2933                 g_slist_free (op_list);
2934         }
2935
2936         return found_send_receive;
2937 }
2938
2939 static gboolean
2940 _msgs_send_in_progress (void)
2941 {
2942         ModestCacheMgr *cache_mgr;
2943         GHashTable *send_queue_cache;
2944         ModestTnySendQueue *send_queue;
2945         GSList *send_queues = NULL, *node = NULL;
2946         gboolean found = FALSE;
2947
2948         cache_mgr = modest_runtime_get_cache_mgr ();
2949         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2950                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2951
2952         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2953
2954         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
2955                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2956
2957                 /* Check if msg uid is being processed inside send queue */
2958                 if (modest_tny_send_queue_sending_in_progress (send_queue)) {
2959                         found = TRUE;
2960                         break;
2961                 }
2962         }
2963
2964         g_slist_free (send_queues);
2965
2966         return found;
2967 }
2968
2969 /*****************************************************************************/
2970 /********************** HILDON2 only dimming rules ***************************/
2971 /*****************************************************************************/
2972
2973 #ifdef MODEST_TOOLKIT_HILDON2
2974 gboolean
2975 modest_ui_dimming_rules_on_header_window_move_to (ModestWindow *win, gpointer user_data)
2976 {
2977         ModestDimmingRule *rule = NULL;
2978         gboolean dimmed = FALSE;
2979
2980         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(win), FALSE);
2981         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2982         rule = MODEST_DIMMING_RULE (user_data);
2983
2984         /* Check dimmed rule */
2985         dimmed = _transfer_mode_enabled (win);
2986         if (dimmed)
2987                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
2988
2989         if (!dimmed) {
2990                 GtkWidget *header_view;
2991                 TnyFolder *folder;
2992
2993                 header_view = GTK_WIDGET (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (win)));
2994                 folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
2995                 if (folder) {
2996                         dimmed = (tny_folder_get_all_count (TNY_FOLDER (folder)) == 0);
2997                         g_object_unref (folder);
2998                 }
2999         }
3000
3001         return dimmed;
3002 }
3003
3004 gboolean
3005 modest_ui_dimming_rules_on_folder_window_move_to (ModestWindow *win, gpointer user_data)
3006 {
3007         ModestDimmingRule *rule = NULL;
3008         gboolean dimmed = FALSE;
3009
3010         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
3011         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3012         rule = MODEST_DIMMING_RULE (user_data);
3013
3014         /* Check dimmed rule */
3015         dimmed = _transfer_mode_enabled (win);
3016         if (dimmed)
3017                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
3018
3019         if (MODEST_IS_FOLDER_WINDOW (win)) {
3020                 ModestFolderView *folder_view;
3021                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
3022                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
3023                                                                        MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE);
3024         }
3025
3026         return dimmed;
3027 }
3028
3029 gboolean
3030 modest_ui_dimming_rules_on_folder_window_delete (ModestWindow *win, gpointer user_data)
3031 {
3032         ModestDimmingRule *rule = NULL;
3033         gboolean dimmed = FALSE;
3034
3035         g_return_val_if_fail (MODEST_IS_FOLDER_WINDOW(win), FALSE);
3036         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
3037         rule = MODEST_DIMMING_RULE (user_data);
3038
3039         /* Check dimmed rule */
3040         dimmed = _transfer_mode_enabled (win);
3041         if (dimmed)
3042                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
3043
3044         if (MODEST_IS_FOLDER_WINDOW (win)) {
3045                 ModestFolderView *folder_view;
3046                 folder_view = modest_folder_window_get_folder_view (MODEST_FOLDER_WINDOW (win));
3047                 dimmed = !modest_folder_view_any_folder_fulfils_rules (folder_view,
3048                                                                        MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE);
3049         }
3050
3051         return dimmed;
3052 }
3053
3054 gboolean
3055 modest_ui_dimming_rules_on_edit_accounts (ModestWindow *win, gpointer user_data)
3056 {
3057         return !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
3058 }
3059 #endif