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

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43 #include <widgets/modest-recpt-editor.h>
  44 #include <gtkhtml/gtkhtml.h>
  45
  46
  47 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  48 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  49 static gboolean _invalid_attach_selected (ModestWindow *win,
  50                                           gboolean unique, gboolean for_view, gboolean for_remove,
  51                                           ModestDimmingRule *rule);
  52 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  53 static gboolean _clipboard_is_empty (ModestWindow *win);
  54 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  55 static gboolean _selected_folder_not_writeable (ModestMainWindow *win, gboolean for_paste);
  56 static gboolean _selected_folder_not_moveable (ModestMainWindow *win);
  57 static gboolean _selected_folder_not_renameable (ModestMainWindow *win);
  58 static gboolean _selected_folder_not_deletable (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  60 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  61 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  62 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  63 static gboolean _header_view_is_all_selected (ModestMainWindow *win);
  64 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  65 static gboolean _folder_view_has_focus (ModestWindow *win);
  66 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  67 static gboolean _msg_download_in_progress (ModestWindow *win);
  68 static gboolean _msg_download_completed (ModestMainWindow *win);
  69 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  70 static gboolean _sending_in_progress (ModestWindow *win);
  71 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  72 static gboolean _transfer_mode_enabled (ModestWindow *win);
  73 static gboolean _selected_folder_has_subfolder_with_same_name (ModestWindow *win);
  74 static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
  75
  76
  77 static DimmedState *
  78 _define_main_window_dimming_state (ModestMainWindow *window)
  79 {
  80         DimmedState *state = NULL;
  81         GtkWidget *focused_widget = NULL;
  82         GtkWidget *header_view = NULL;
  83         GtkTreeModel *model = NULL;
  84         TnyList *selected_headers = NULL;
  85         TnyIterator *iter = NULL;
  86         TnyHeader *header = NULL;
  87         ModestCacheMgr *cache_mgr = NULL;
  88         GHashTable *send_queue_cache = NULL;
  89         ModestTnySendQueue *send_queue = NULL;
  90         GSList *send_queues = NULL, *node = NULL;
  91         ModestWindowMgr *mgr = NULL;
  92         gboolean found = FALSE;
  93         gchar *msg_uid = NULL;
  94         TnyHeaderFlags flags;
  95         gboolean all_deleted = TRUE;
  96         gboolean all_seen = TRUE;
  97         gboolean all_cached = TRUE;
  98         gboolean all_has_attach = TRUE;
  99
 100         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(window), NULL);
 101
 102         /* Init state */
 103         state = g_slice_new0 (DimmedState);
 104         state->n_selected = 0;
 105         state->already_opened_msg = 0;
 106         state->any_marked_as_deleted = FALSE;
 107         state->all_marked_as_deleted = FALSE;
 108         state->any_marked_as_seen = FALSE;
 109         state->all_marked_as_seen = FALSE;
 110         state->any_marked_as_cached = FALSE;
 111         state->all_marked_as_cached = FALSE;
 112         state->any_has_attachments = FALSE;
 113         state->all_has_attachments = FALSE;
 114         state->sent_in_progress = FALSE;
 115         state->all_selected = FALSE;
 116
 117         /* Get focused widget */
 118         focused_widget = gtk_window_get_focus (GTK_WINDOW (window));
 119         if (MODEST_IS_FOLDER_VIEW (focused_widget)) {
 120                 state->n_selected++;
 121                 return state;
 122         } else if (MODEST_IS_HEADER_VIEW (focused_widget)) {
 123                 header_view = focused_widget;
 124         } else {
 125                 header_view = modest_main_window_get_child_widget (window, MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 126         }
 127
 128         /* Get header view and selected headers */
 129         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
 130         if (!selected_headers)
 131                 return state;
 132
 133         /* Examine selected headers */
 134         iter = tny_list_create_iterator (selected_headers);
 135         while (!tny_iterator_is_done (iter)) {
 136                 header = TNY_HEADER (tny_iterator_get_current (iter));
 137                 flags = tny_header_get_flags (header);
 138
 139                 /* No selected */
 140                 state->n_selected++;
 141
 142                 /* Already opened */
 143                 mgr = modest_runtime_get_window_mgr ();
 144                 if (modest_window_mgr_find_registered_header (mgr, header, NULL))
 145                         state->already_opened_msg++;
 146
 147
 148                 /* Mark as deleted */
 149                 all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 150                 state->all_marked_as_deleted = all_deleted;
 151                 if (!state->any_marked_as_deleted)
 152                         state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 153
 154                 /* Mark as seen */
 155                 all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 156                 state->all_marked_as_seen = all_seen;
 157                 if (!state->any_marked_as_seen)
 158                         state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 159
 160                 /* Mark as cached */
 161                 all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 162                 state->all_marked_as_cached = all_cached;
 163                 if (!state->any_marked_as_cached)
 164                         state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 165
 166                 /* Mark has_attachments */
 167                 all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 168                 state->all_has_attachments = all_has_attach;
 169                 if (!state->any_has_attachments)
 170                         state->any_has_attachments = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 171
 172                 /* sent in progress */
 173                 msg_uid = modest_tny_send_queue_get_msg_id (header);
 174                 if (!state->sent_in_progress) {
 175                         cache_mgr = modest_runtime_get_cache_mgr ();
 176                         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 177                                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 178
 179                         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 180
 181                         for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 182                                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 183
 184                                 /* Check if msg uid is being processed inside send queue */
 185                                 found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 186                         }
 187                         state->sent_in_progress = found;
 188                 }
 189
 190                 tny_iterator_next (iter);
 191                 g_object_unref (header);
 192         }
 193
 194         /* check if all the headers are selected or not */
 195         model = gtk_tree_view_get_model(GTK_TREE_VIEW(header_view));
 196         if (model != NULL){
 197                 gint count;
 198                 count = gtk_tree_model_iter_n_children(model, NULL);
 199                 if(state->n_selected == count)
 200                         state->all_selected = TRUE;
 201         }
 202
 203         /* Free */
 204         g_free(msg_uid);
 205         g_object_unref(selected_headers);
 206         g_object_unref(iter);
 207         g_slist_free (send_queues);
 208
 209         return state;
 210 }
 211
 212 static DimmedState *
 213 _define_msg_view_window_dimming_state (ModestMsgViewWindow *window)
 214 {
 215         DimmedState *state = NULL;
 216         TnyHeader *header = NULL;
 217         ModestCacheMgr *cache_mgr = NULL;
 218         GHashTable *send_queue_cache = NULL;
 219         ModestTnySendQueue *send_queue = NULL;
 220         GSList *send_queues = NULL, *node = NULL;
 221         gboolean found = FALSE;
 222         gchar *msg_uid = NULL;
 223         TnyHeaderFlags flags;
 224         gboolean all_deleted = TRUE;
 225         gboolean all_seen = TRUE;
 226         gboolean all_cached = TRUE;
 227         gboolean all_has_attach = TRUE;
 228
 229         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(window), NULL);
 230
 231         /* Init state */
 232         state = g_slice_new0 (DimmedState);
 233         state->n_selected = 0;
 234         state->already_opened_msg = 0;
 235         state->any_marked_as_deleted = FALSE;
 236         state->all_marked_as_deleted = FALSE;
 237         state->any_marked_as_seen = FALSE;
 238         state->all_marked_as_seen = FALSE;
 239         state->any_marked_as_cached = FALSE;
 240         state->all_marked_as_cached = FALSE;
 241         state->any_has_attachments = FALSE;
 242         state->all_has_attachments = FALSE;
 243         state->sent_in_progress = FALSE;
 244
 245         header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(window));
 246         if (header == NULL)
 247                 return state;
 248         g_return_val_if_fail (TNY_IS_HEADER(header), state);
 249         flags = tny_header_get_flags (header);
 250
 251         /* Selected */
 252         state->n_selected++;
 253
 254         /* Mark as deleted */
 255         all_deleted = all_deleted && (flags & TNY_HEADER_FLAG_DELETED);
 256         state->all_marked_as_deleted = all_deleted;
 257         if (!state->any_marked_as_deleted)
 258                 state->any_marked_as_deleted = flags & TNY_HEADER_FLAG_DELETED;
 259
 260         /* Mark as seen */
 261         all_seen = all_seen && (flags & TNY_HEADER_FLAG_SEEN);
 262         state->all_marked_as_seen = all_seen;
 263         if (!state->any_marked_as_seen)
 264                 state->any_marked_as_seen = flags & TNY_HEADER_FLAG_SEEN;
 265
 266         /* Mark as cached */
 267         all_cached = all_cached && (flags & TNY_HEADER_FLAG_CACHED);
 268         state->all_marked_as_cached = all_cached;
 269         if (!state->any_marked_as_cached)
 270                 state->any_marked_as_cached = flags & TNY_HEADER_FLAG_CACHED;
 271
 272         /* Mark has_attachments */
 273         all_has_attach = all_has_attach && (flags & TNY_HEADER_FLAG_ATTACHMENTS);
 274         state->all_has_attachments = all_has_attach;
 275         if (!state->any_has_attachments)
 276                 state->any_has_attachments = (flags & TNY_HEADER_FLAG_ATTACHMENTS)?1:0;
 277
 278         /* sent in progress */
 279         msg_uid = modest_tny_send_queue_get_msg_id (header);
 280         if (!state->sent_in_progress) {
 281                 cache_mgr = modest_runtime_get_cache_mgr ();
 282                 send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
 283                                                                MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
 284
 285                 g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
 286
 287                 for (node = send_queues; node != NULL && !found; node = g_slist_next (node)) {
 288                         send_queue = MODEST_TNY_SEND_QUEUE (node->data);
 289
 290                         /* Check if msg uid is being processed inside send queue */
 291                         found = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
 292                 }
 293                 state->sent_in_progress = found;
 294         }
 295
 296         /* Free */
 297         g_free(msg_uid);
 298         g_object_unref (header);
 299         g_slist_free (send_queues);
 300
 301         return state;
 302 }
 303
 304
 305 DimmedState *
 306 modest_ui_dimming_rules_define_dimming_state (ModestWindow *window)
 307 {
 308         DimmedState *state = NULL;
 309
 310         g_return_val_if_fail (MODEST_IS_WINDOW(window), NULL);
 311
 312         if (MODEST_IS_MAIN_WINDOW (window))
 313                 state = _define_main_window_dimming_state (MODEST_MAIN_WINDOW(window));
 314         else if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
 315                 state = _define_msg_view_window_dimming_state (MODEST_MSG_VIEW_WINDOW(window));
 316         }
 317
 318         return state;
 319 }
 320
 321
 322 gboolean
 323 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 324 {
 325         ModestDimmingRule *rule = NULL;
 326         gboolean dimmed = FALSE;
 327
 328         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 329         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 330         rule = MODEST_DIMMING_RULE (user_data);
 331
 332         /* Check dimmed rule */
 333         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 334                 if (!dimmed) {
 335                         dimmed = _msg_download_in_progress (win);
 336                         if (dimmed)
 337                                 modest_dimming_rule_set_notification (rule, "");
 338                 }
 339         } else if (MODEST_IS_MAIN_WINDOW(win)) {
 340                 if (!dimmed) {
 341                         dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 342                                                                   TRUE);
 343                         if (dimmed)
 344                                 modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 345                 }
 346         }
 347
 348         return dimmed;
 349 }
 350
 351 gboolean
 352 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 353 {
 354         ModestDimmingRule *rule = NULL;
 355         GtkWidget *folder_view = NULL;
 356         TnyFolderStore *parent_folder = NULL;
 357         gboolean dimmed = FALSE;
 358
 359         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 360         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 361         rule = MODEST_DIMMING_RULE (user_data);
 362
 363         if (!dimmed) {
 364                 dimmed = _transfer_mode_enabled (win);
 365                 if (dimmed) {
 366                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 367                         return dimmed;
 368                 }
 369         }
 370
 371         /* Get selected folder as parent of new folder to create */
 372         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 373                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 374         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 375         if (!parent_folder)
 376                 return TRUE;
 377
 378         if (TNY_IS_ACCOUNT (parent_folder)) {
 379                 /* If it's the local account then do not dim */
 380                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 381                         dimmed = FALSE;
 382                 } else {
 383                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 384                         if (proto_str != NULL) {
 385                                 /* If it's POP then dim */
 386                                 dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 387                                           MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 388                                 if (dimmed)
 389                                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 390                         }
 391                 }
 392         } else {
 393                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 394
 395                 TnyFolderType types[3];
 396
 397                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 398                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 399                 types[2] = TNY_FOLDER_TYPE_SENT;
 400
 401                 /* Apply folder rules */
 402                 if (!dimmed) {
 403                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), FALSE);
 404                         if (dimmed)
 405                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 406                 }
 407                 if (!dimmed) {
 408                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 409                         if (dimmed)
 410                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 411                 }
 412         }
 413
 414         /* if not the folder is selected then dim */
 415         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 416                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 417         if (folder_view && !gtk_widget_is_focus (folder_view))
 418                 dimmed = TRUE;
 419
 420         g_object_unref (parent_folder);
 421
 422         return dimmed;
 423 }
 424
 425 gboolean
 426 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 427 {
 428         ModestDimmingRule *rule = NULL;
 429         GtkWidget *folder_view = NULL;
 430         GtkWidget *header_view = NULL;
 431         gboolean dimmed = FALSE;
 432
 433         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 434         rule = MODEST_DIMMING_RULE (user_data);
 435
 436         if (MODEST_IS_MAIN_WINDOW (win)) {
 437                 /* Get the folder view */
 438                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 439                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 440
 441                 /* Get header view */
 442                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 443                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 444
 445                 if (header_view && gtk_widget_is_focus (header_view))
 446                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 447
 448                 if (folder_view && gtk_widget_is_focus (folder_view))
 449                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 450
 451                 if (header_view && folder_view &&
 452                     !gtk_widget_is_focus (header_view) &&
 453                     !gtk_widget_is_focus (folder_view)) {
 454                         dimmed = TRUE;
 455                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 456                 }
 457         } else {
 458                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 459         }
 460
 461         return dimmed;
 462 }
 463
 464
 465
 466 gboolean
 467 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 468 {
 469         ModestDimmingRule *rule = NULL;
 470         TnyFolderType types[6];
 471         gboolean dimmed = FALSE;
 472
 473         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 474         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 475         rule = MODEST_DIMMING_RULE (user_data);
 476
 477         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 478         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 479         types[2] = TNY_FOLDER_TYPE_SENT;
 480         types[3] = TNY_FOLDER_TYPE_INBOX;
 481         types[4] = TNY_FOLDER_TYPE_ROOT;
 482         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 483
 484
 485         /* Check dimmed rule */
 486         if (!dimmed) {
 487                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
 488                 if (dimmed)
 489                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 490         }
 491         if (!dimmed) {
 492                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 493                 if (dimmed)
 494                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 495         }
 496         if (!dimmed) {
 497                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 498                 if (dimmed)
 499                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 500         }
 501         if (!dimmed) {
 502                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 503                 if (dimmed)
 504                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 505         }
 506         if (!dimmed) {
 507                 dimmed = _transfer_mode_enabled (win);
 508                 if (dimmed)
 509                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 510         }
 511
 512         return dimmed;
 513 }
 514
 515 gboolean
 516 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 517 {
 518         ModestDimmingRule *rule = NULL;
 519         gboolean dimmed = FALSE;
 520
 521         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 522         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 523         rule = MODEST_DIMMING_RULE (user_data);
 524
 525         /* Check dimmed rule */
 526         if (!dimmed) {
 527                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 528                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 529         }
 530
 531         if (!dimmed) {
 532                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 533                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 534         }
 535
 536         return dimmed;
 537
 538 }
 539
 540 gboolean
 541 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 542 {
 543         ModestDimmingRule *rule = NULL;
 544         TnyFolderType types[4];
 545         gboolean dimmed = FALSE;
 546
 547         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 548         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 549         rule = MODEST_DIMMING_RULE (user_data);
 550
 551         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 552         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 553         types[2] = TNY_FOLDER_TYPE_SENT;
 554         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 555
 556         /* Check dimmed rule */
 557         if (!dimmed) {
 558                 dimmed = _selected_folder_not_renameable (MODEST_MAIN_WINDOW(win));
 559                 if (dimmed)
 560                         modest_dimming_rule_set_notification (rule, "");
 561         }
 562         if (!dimmed) {
 563                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 564                 if (dimmed)
 565                         modest_dimming_rule_set_notification (rule, "");
 566         }
 567         if (!dimmed) {
 568                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 569                 if (dimmed)
 570                         modest_dimming_rule_set_notification (rule, "");
 571         }
 572         if (!dimmed) {
 573                 dimmed = _transfer_mode_enabled (win);
 574                 if (dimmed)
 575                         modest_dimming_rule_set_notification (rule, "");
 576         }
 577
 578         return dimmed;
 579 }
 580
 581 gboolean
 582 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 583 {
 584         ModestDimmingRule *rule = NULL;
 585         gboolean dimmed = FALSE;
 586         const DimmedState *state = NULL;
 587
 588         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 589         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 590         rule = MODEST_DIMMING_RULE (user_data);
 591         state = modest_window_get_dimming_state (win);
 592
 593         /* Check dimmed rule */
 594         if (!dimmed) {
 595                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 596         }
 597         if (!dimmed) {
 598                 dimmed = state->any_marked_as_deleted;
 599                 if (dimmed)
 600                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 601         }
 602         if (!dimmed) {
 603                 dimmed = _selected_msg_sent_in_progress (win);
 604                 if (dimmed)
 605                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 606         }
 607
 608         return dimmed;
 609 }
 610
 611 gboolean
 612 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 613 {
 614         ModestDimmingRule *rule = NULL;
 615         gboolean dimmed = FALSE;
 616         TnyFolderType types[3];
 617
 618         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 619         rule = MODEST_DIMMING_RULE (user_data);
 620
 621         /* main window dimming rules */
 622         if (MODEST_IS_MAIN_WINDOW(win)) {
 623
 624                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 625                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 626                 types[2] = TNY_FOLDER_TYPE_ROOT;
 627
 628                 /* Check dimmed rule */
 629                 if (!dimmed) {
 630                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 631                         if (dimmed)
 632                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 633                 }
 634                 if (!dimmed) {
 635                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 636                         if (dimmed)
 637                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 638                 }
 639                 if (!dimmed) {
 640                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 641                 }
 642         /* msg view window dimming rules */
 643         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 644
 645                 /* Check dimmed rule */
 646                 if (!dimmed) {
 647                         dimmed = _transfer_mode_enabled (win);
 648                         if (dimmed)
 649                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 650                 }
 651                 if (!dimmed) {
 652                         dimmed = _msg_download_in_progress (win);
 653                         if (dimmed)
 654                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 655                 }
 656         }
 657
 658         return dimmed;
 659 }
 660
 661
 662 gboolean
 663 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 664 {
 665         ModestDimmingRule *rule = NULL;
 666         gboolean dimmed = FALSE;
 667
 668         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 669         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 670         rule = MODEST_DIMMING_RULE (user_data);
 671
 672         /* Check dimmed rule */
 673         if (!dimmed) {
 674                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 675         }
 676         if (!dimmed) {
 677                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 678                 if (dimmed)
 679                         modest_dimming_rule_set_notification (rule, "");
 680         }
 681
 682         return dimmed;
 683 }
 684
 685 gboolean
 686 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 687 {
 688         gboolean dimmed = FALSE;
 689
 690         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 691
 692         /* Check dimmed rule */
 693         if (!dimmed)
 694                 dimmed = TRUE;
 695
 696         return dimmed;
 697 }
 698
 699 gboolean
 700 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 701 {
 702         ModestDimmingRule *rule = NULL;
 703         const DimmedState *state = NULL;
 704         gboolean dimmed = FALSE;
 705
 706         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 707         rule = MODEST_DIMMING_RULE (user_data);
 708         state = modest_window_get_dimming_state (win);
 709
 710         /* Check dimmed rule */
 711         if (MODEST_IS_MAIN_WINDOW (win)) {
 712                 if (!dimmed) {
 713                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 714                         if (dimmed)
 715                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 716                 }
 717                 if (!dimmed) {
 718                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 719                 }
 720                 if (!dimmed) {
 721                         dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 722                         if (dimmed) {
 723                                 gchar *num = NULL, *message = NULL;
 724
 725                                 num = g_strdup_printf ("%d", state->already_opened_msg);
 726                                 message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 727                                 modest_dimming_rule_set_notification (rule, message);
 728                                 g_free(num);
 729                                 g_free(message);
 730                         }
 731
 732                 }
 733                 if (!dimmed) {
 734                         dimmed = state->any_marked_as_deleted;
 735                         if (dimmed) {
 736                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 737                         }
 738                 }
 739                 if (!dimmed) {
 740                         dimmed = state->sent_in_progress;
 741                         if (dimmed)
 742                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 743                 }
 744         }
 745         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 746                 if (!dimmed) {
 747                         dimmed = _transfer_mode_enabled (win);
 748                         if (dimmed)
 749                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 750                 }
 751                 if (!dimmed) {
 752                         dimmed = state->any_marked_as_deleted;
 753                         if (dimmed)
 754                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 755                 }
 756                 if (!dimmed) {
 757                         dimmed = state->sent_in_progress;
 758                         if (dimmed)
 759                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 760                 }
 761
 762                 /* The delete button should be dimmed when viewing an attachment,
 763                  * but should be enabled when viewing a message from the list,
 764                  * or when viewing a search result.
 765                  */
 766                 if (!dimmed) {
 767                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 768                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 769                                 if (dimmed) {
 770                                         modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 771                                 }
 772                         }
 773                 }
 774         }
 775
 776         return dimmed;
 777 }
 778
 779 gboolean
 780 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 781 {
 782         ModestDimmingRule *rule = NULL;
 783         GtkWidget *header_view = NULL;
 784         gboolean dimmed = FALSE;
 785
 786         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 787         rule = MODEST_DIMMING_RULE (user_data);
 788
 789         /* main window dimming rules */
 790         if (MODEST_IS_MAIN_WINDOW(win)) {
 791
 792                 /* Check dimmed rule */
 793                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 794                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
 795
 796                 /* If the header view has the focus: */
 797                 if (header_view && gtk_widget_is_focus (header_view)) {
 798                         /* Check dimmed rule */
 799                         if (!dimmed)
 800                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 801                 }
 802                 else {
 803                         /* If the folder view has the focus: */
 804                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 805                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 806                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 807                                 TnyFolderStore *folder_store
 808                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 809                                 if (folder_store) {
 810                                         /* Only enable for folders, not accounts,
 811                                          * though the UI spec is not clear about that.
 812                                          * If we enable this for accounts then we must
 813                                          * add code to handle them in modest_ui_actions_on_details(). */
 814                                         if (!TNY_IS_FOLDER(folder_store)) {
 815                                                 dimmed = TRUE;
 816                                                 modest_dimming_rule_set_notification (rule, "");
 817                                         }
 818
 819                                         g_object_unref (folder_store);
 820                                 } else {
 821                                         dimmed = TRUE;
 822                                         modest_dimming_rule_set_notification (rule, "");
 823                                 }
 824                                 if (!dimmed) {
 825                                         dimmed = _msg_download_in_progress (win);
 826                                         if (dimmed)
 827                                                 modest_dimming_rule_set_notification (rule, "");
 828                                 }
 829
 830                         }
 831
 832                 }
 833
 834         /* msg view window dimming rules */
 835         } else {
 836
 837                 /* Check dimmed rule */
 838                 if (!dimmed) {
 839                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 840                                 dimmed = _msg_download_in_progress (win);
 841                         if (dimmed)
 842                                 modest_dimming_rule_set_notification (rule, "");
 843                 }
 844                 if (!dimmed) {
 845                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
 846                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 847                         }
 848                         if (dimmed)
 849                                 modest_dimming_rule_set_notification (rule, "");
 850                 }
 851         }
 852
 853         return dimmed;
 854 }
 855
 856
 857 gboolean
 858 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 859 {
 860         ModestDimmingRule *rule = NULL;
 861         TnyHeaderFlags flags;
 862         const DimmedState *state = NULL;
 863         gboolean dimmed = FALSE;
 864
 865         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 866         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 867         rule = MODEST_DIMMING_RULE (user_data);
 868         state = modest_window_get_dimming_state (win);
 869
 870         flags = TNY_HEADER_FLAG_SEEN;
 871
 872         /* Check dimmed rule */
 873         if (!dimmed) {
 874                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 875         }
 876         if (!dimmed) {
 877                 dimmed = state->all_marked_as_seen;
 878                 if (dimmed)
 879                         modest_dimming_rule_set_notification (rule, "");
 880         }
 881
 882         return dimmed;
 883 }
 884
 885 gboolean
 886 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 887 {
 888         ModestDimmingRule *rule = NULL;
 889         TnyHeaderFlags flags;
 890         const DimmedState *state = NULL;
 891         gboolean dimmed = FALSE;
 892
 893         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 894         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 895         rule = MODEST_DIMMING_RULE (user_data);
 896         state = modest_window_get_dimming_state (win);
 897
 898         flags = TNY_HEADER_FLAG_SEEN;
 899
 900         /* Check dimmed rule */
 901         if (!dimmed)
 902                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 903         if (!dimmed) {
 904                 dimmed = !state->any_marked_as_seen;
 905                 if (dimmed)
 906                         modest_dimming_rule_set_notification (rule, "");
 907         }
 908
 909         return dimmed;
 910 }
 911
 912 gboolean
 913 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 914 {
 915         ModestDimmingRule *rule = NULL;
 916         gboolean dimmed = FALSE;
 917
 918         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 919         rule = MODEST_DIMMING_RULE (user_data);
 920
 921         if (MODEST_IS_MAIN_WINDOW (win))
 922                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 923         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 924                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 925
 926         return dimmed;
 927 }
 928
 929
 930 gboolean
 931 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 932 {
 933         GtkWidget *folder_view = NULL;
 934         ModestDimmingRule *rule = NULL;
 935         const DimmedState *state = NULL;
 936         gboolean dimmed = FALSE;
 937
 938         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 939         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 940         rule = MODEST_DIMMING_RULE (user_data);
 941         state = modest_window_get_dimming_state (win);
 942
 943         /* Get the folder view */
 944         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 945                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 946
 947
 948         /* Check diming rules for folders transfer  */
 949         if (gtk_widget_is_focus (folder_view)) {
 950                 TnyFolderType types[5];
 951
 952                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 953                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 954                 types[2] = TNY_FOLDER_TYPE_SENT;
 955                 types[3] = TNY_FOLDER_TYPE_ROOT;
 956                 types[4] = TNY_FOLDER_TYPE_INBOX;
 957
 958                 /* Apply folder rules */
 959                 if (!dimmed) {
 960                         dimmed = _selected_folder_not_moveable (MODEST_MAIN_WINDOW(win));
 961                         if (dimmed)
 962                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
 963                 }
 964                 if (!dimmed) {
 965                         dimmed = _selected_folder_is_any_of_type (win, types, 5);
 966                         if (dimmed)
 967                                 modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
 968                 }
 969         }
 970
 971         /* Check diming rules for messages transfer  */
 972         if (!dimmed) {
 973                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
 974                 if (dimmed) {
 975                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"),
 976                                                          state->already_opened_msg);
 977                         modest_dimming_rule_set_notification (rule, message);
 978                         g_free(message);
 979                 }
 980         }
 981         if (!dimmed) {
 982                 if (!gtk_widget_is_focus (folder_view))
 983                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 984
 985         }
 986         if (!dimmed) {
 987                 dimmed = _selected_msg_sent_in_progress (win);
 988                 if (dimmed)
 989                         modest_dimming_rule_set_notification (rule, _("sfil_ib_unable_to_move_selected_items"));
 990         }
 991
 992         return dimmed;
 993 }
 994
 995 gboolean
 996 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 997 {
 998         ModestDimmingRule *rule = NULL;
 999         gboolean dimmed = FALSE;
1000
1001         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1002         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1003         rule = MODEST_DIMMING_RULE (user_data);
1004
1005         /* Check dimmed rule */
1006         if (!dimmed) {
1007                 dimmed = _transfer_mode_enabled (win);
1008                 if (dimmed)
1009                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1010         }
1011
1012         if (!dimmed) {
1013                 dimmed = _selected_msg_sent_in_progress (win);
1014                 if (dimmed)
1015                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1016         }
1017         if (!dimmed) {
1018                 if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1019                         /* The move_to button should be dimmed when viewing an attachment,
1020                          * but should be enabled when viewing a message from the list,
1021                          * or when viewing a search result.
1022                          */
1023                         if (!modest_msg_view_window_is_search_result (MODEST_MSG_VIEW_WINDOW(win))) {
1024                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
1025                         }
1026                 }
1027
1028                 if (dimmed)
1029                         modest_dimming_rule_set_notification (rule, _("emev_nc_unabletomove_item"));
1030         }
1031
1032         return dimmed;
1033 }
1034
1035 gboolean
1036 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
1037 {
1038         ModestDimmingRule *rule = NULL;
1039         gboolean dimmed = FALSE;
1040
1041         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1042         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1043         rule = MODEST_DIMMING_RULE (user_data);
1044
1045         /* Check dimmed rule */
1046         if (!dimmed) {
1047                 dimmed = _transfer_mode_enabled (win);
1048                 if (dimmed)
1049                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1050         }
1051
1052         return dimmed;
1053 }
1054
1055 gboolean
1056 modest_ui_dimming_rules_on_paste (ModestWindow *win, gpointer user_data)
1057 {
1058         ModestDimmingRule *rule = NULL;
1059         TnyFolderType types[3];
1060         gboolean dimmed = FALSE;
1061
1062         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1063         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1064         rule = MODEST_DIMMING_RULE (user_data);
1065
1066         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1067         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1068         types[2] = TNY_FOLDER_TYPE_SENT;
1069
1070         /* Check dimmed rule */
1071         if (!dimmed) {
1072                 dimmed = _clipboard_is_empty (win);
1073                 if (dimmed)
1074                         modest_dimming_rule_set_notification (rule,
1075                                                               dgettext("hildon-common-strings",
1076                                                                        "ecoc_ib_edwin_nothing_to_paste"));
1077         }
1078         if (!dimmed) {
1079                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1080                 if (dimmed)
1081                         modest_dimming_rule_set_notification (rule,
1082                                                               dgettext("hildon-common-strings",
1083                                                                        "ckct_ib_unable_to_paste_here"));
1084         }
1085         if (!dimmed) {
1086                 dimmed = !_folder_view_has_focus (win);
1087                 if (dimmed)
1088                         modest_dimming_rule_set_notification (rule,
1089                                         dgettext("hildon-common-strings",
1090                                         "ckct_ib_unable_to_paste_here"));
1091         }
1092         if (!dimmed) {
1093                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win), TRUE);
1094                 if (dimmed)
1095                         modest_dimming_rule_set_notification (rule,
1096                                                               dgettext("hildon-common-strings",
1097                                                                        "ckct_ib_unable_to_paste_here"));
1098         }
1099         if (!dimmed) {
1100                 dimmed = _selected_folder_is_same_as_source (win);
1101                 if (dimmed)
1102                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1103         }
1104         if (!dimmed) {
1105                 dimmed = _selected_folder_has_subfolder_with_same_name (win);
1106                 if (dimmed)
1107                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_copy_target_error"));
1108         }
1109
1110         return dimmed;
1111 }
1112
1113
1114 gboolean
1115 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
1116 {
1117         ModestDimmingRule *rule = NULL;
1118         gboolean dimmed = FALSE;
1119         GtkWidget *focused = NULL;
1120
1121         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1122         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1123         rule = MODEST_DIMMING_RULE (user_data);
1124
1125         focused = gtk_window_get_focus (GTK_WINDOW (win));
1126
1127         /* Main window dimming rules */
1128         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1129                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1130
1131         if (!dimmed && MODEST_IS_MAIN_WINDOW (win))
1132                 dimmed = _header_view_is_all_selected (MODEST_MAIN_WINDOW(win));
1133
1134         if (!dimmed && GTK_IS_ENTRY (focused)) {
1135                 const gchar *current_text;
1136                 current_text = gtk_entry_get_text (GTK_ENTRY (focused));
1137                 dimmed = ((current_text == NULL) || (current_text[0] == '\0'));
1138         }
1139
1140         if (!dimmed && GTK_IS_TEXT_VIEW (focused)) {
1141                 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1142                 dimmed = (gtk_text_buffer_get_char_count (buffer) < 1);
1143         }
1144
1145         if (dimmed && MODEST_IS_ATTACHMENTS_VIEW (focused))
1146                 dimmed = FALSE;
1147         return dimmed;
1148 }
1149
1150 gboolean
1151 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
1152 {
1153         ModestDimmingRule *rule = NULL;
1154         gboolean dimmed = FALSE;
1155
1156         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1157         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1158         rule = MODEST_DIMMING_RULE (user_data);
1159
1160         /* Check dimmed rule */
1161         if (!dimmed)
1162                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
1163
1164         if (!dimmed) {
1165                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1166                 if (dimmed) {
1167                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1168                 }
1169         }
1170
1171         return dimmed;
1172 }
1173
1174 gboolean
1175 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
1176 {
1177         ModestDimmingRule *rule = NULL;
1178         gboolean dimmed = FALSE;
1179
1180         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1181         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1182         rule = MODEST_DIMMING_RULE (user_data);
1183
1184         /* Check dimmed rule */
1185         if (!dimmed)
1186                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
1187
1188         if (!dimmed) {
1189                 dimmed = _purged_attach_selected (win, FALSE, NULL);
1190                 if (dimmed) {
1191                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1192                 }
1193         }
1194
1195         return dimmed;
1196 }
1197
1198 gboolean
1199 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
1200 {
1201         ModestDimmingRule *rule = NULL;
1202         const DimmedState *state = NULL;
1203         gboolean dimmed = FALSE;
1204
1205         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
1206         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1207         rule = MODEST_DIMMING_RULE (user_data);
1208         state = modest_window_get_dimming_state (win);
1209
1210         /* Check in main window if there's only one message selected */
1211         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1212                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
1213         }
1214
1215         /* Check in view window if there's any attachment selected */
1216         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
1217                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
1218                 if (dimmed)
1219                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1220         }
1221
1222         if (!dimmed) {
1223
1224                 dimmed = _selected_msg_sent_in_progress (win);
1225                 if (dimmed) {
1226                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1227                 }
1228         }
1229
1230         /* cannot purge in editable drafts nor pop folders */
1231         if (!dimmed) {
1232                 dimmed = _invalid_folder_for_purge (win, rule);
1233         }
1234
1235         /* Check if the selected message in main window has attachments */
1236         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1237                 dimmed = !(state->any_has_attachments);
1238                 if (dimmed)
1239                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1240         }
1241
1242         /* Check if all attachments are already purged */
1243         if (!dimmed) {
1244                 dimmed = _purged_attach_selected (win, TRUE, rule);
1245         }
1246
1247         /* Check if the message is already downloaded */
1248         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1249                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
1250                 if (dimmed)
1251                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
1252         }
1253
1254
1255         return dimmed;
1256 }
1257
1258 gboolean
1259 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
1260 {
1261         ModestDimmingRule *rule = NULL;
1262         gboolean dimmed = FALSE;
1263
1264         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1265         rule = MODEST_DIMMING_RULE (user_data);
1266
1267         /* Check dimmed rule */
1268         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
1269                 dimmed = _clipboard_is_empty (win);
1270                 if (dimmed)
1271                         modest_dimming_rule_set_notification (rule, "");
1272         }
1273
1274         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1275                 dimmed = !modest_msg_edit_window_can_undo (MODEST_MSG_EDIT_WINDOW (win));
1276         }
1277
1278         return dimmed;
1279 }
1280
1281 gboolean
1282 modest_ui_dimming_rules_on_redo (ModestWindow *win, gpointer user_data)
1283 {
1284         ModestDimmingRule *rule = NULL;
1285         gboolean dimmed = FALSE;
1286
1287         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1288         rule = MODEST_DIMMING_RULE (user_data);
1289
1290         /* Check dimmed rule */
1291         if (!dimmed && MODEST_IS_MSG_EDIT_WINDOW (win)) {
1292                 dimmed = !modest_msg_edit_window_can_redo (MODEST_MSG_EDIT_WINDOW (win));
1293         }
1294
1295         return dimmed;
1296 }
1297
1298 gboolean
1299 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
1300 {
1301         ModestDimmingRule *rule = NULL;
1302         const DimmedState *state = NULL;
1303         gboolean dimmed = FALSE;
1304
1305         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1306         rule = MODEST_DIMMING_RULE (user_data);
1307         state = modest_window_get_dimming_state (win);
1308
1309         /* Check common dimming rules */
1310         if (!dimmed) {
1311                 dimmed = _invalid_clipboard_selected (win, rule);
1312         }
1313
1314         /* Check window specific dimming rules */
1315         if (MODEST_IS_MAIN_WINDOW (win)) {
1316                 /* Get focused widget */
1317                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1318
1319                 if (MODEST_IS_HEADER_VIEW (focused)) {
1320                         if (!dimmed) {
1321                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1322                                 if (dimmed)
1323                                         modest_dimming_rule_set_notification (rule, "");
1324                         }
1325                         if (!dimmed) {
1326                                 dimmed = _selected_msg_sent_in_progress (win);
1327                                 if (dimmed)
1328                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1329                         }
1330                         if (!dimmed) {
1331                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1332                                 if(dimmed)
1333                                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
1334                         }
1335                 }
1336                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1337                         TnyFolderType types[3];
1338
1339                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1340                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1341                         types[2] = TNY_FOLDER_TYPE_SENT;
1342
1343                         /* Apply folder rules */
1344                         if (!dimmed) {
1345                                 dimmed = _selected_folder_not_deletable (MODEST_MAIN_WINDOW(win));
1346                                 if (dimmed)
1347                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
1348                         }
1349                         if (!dimmed) {
1350                                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
1351                                 if (dimmed)
1352                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1353                         }
1354                         if (!dimmed) {
1355                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1356                                 if (dimmed)
1357                                         modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
1358                         }
1359                 }
1360         }
1361
1362         return dimmed;
1363 }
1364
1365 gboolean
1366 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
1367 {
1368         ModestDimmingRule *rule = NULL;
1369         const DimmedState *state = NULL;
1370         gboolean dimmed = FALSE;
1371
1372         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1373         rule = MODEST_DIMMING_RULE (user_data);
1374         state = modest_window_get_dimming_state (win);
1375
1376         /* Check common dimming rules */
1377         if (!dimmed) {
1378                 dimmed = _invalid_clipboard_selected (win, rule);
1379         }
1380
1381         /* Check window specific dimming rules */
1382         if (MODEST_IS_MAIN_WINDOW (win)) {
1383                 /* Get focused widget */
1384                 GtkWidget *focused = gtk_window_get_focus (GTK_WINDOW (win));
1385
1386                 if (MODEST_IS_HEADER_VIEW (focused)) {
1387                         if (!dimmed) {
1388                                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
1389                                 if (dimmed)
1390                                         modest_dimming_rule_set_notification (rule, "");
1391                         }
1392                         if (!dimmed) {
1393                                 dimmed = _selected_msg_sent_in_progress (win);
1394                                 if (dimmed)
1395                                         modest_dimming_rule_set_notification (rule, _(""));
1396                         }
1397                         if (!dimmed) {
1398                                 dimmed = (state->already_opened_msg > 0) ? TRUE : FALSE;
1399                                 if(dimmed)
1400                                         modest_dimming_rule_set_notification (rule, _(""));
1401                         }
1402                 }
1403                 else if (MODEST_IS_FOLDER_VIEW (focused)) {
1404                         TnyFolderType types[3];
1405
1406                         types[0] = TNY_FOLDER_TYPE_DRAFTS;
1407                         types[1] = TNY_FOLDER_TYPE_OUTBOX;
1408                         types[2] = TNY_FOLDER_TYPE_SENT;
1409
1410                         if (!dimmed) {
1411                                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
1412                                 if (dimmed)
1413                                         modest_dimming_rule_set_notification (rule, _(""));
1414                         }
1415                         if (!dimmed) {
1416                                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
1417                                 if (dimmed)
1418                                         modest_dimming_rule_set_notification (rule, _(""));
1419                         }
1420                 }
1421         }
1422
1423         return dimmed;
1424 }
1425
1426 gboolean
1427 modest_ui_dimming_rules_on_set_style (ModestWindow *win, gpointer user_data)
1428 {
1429         ModestDimmingRule *rule = NULL;
1430         const DimmedState *state = NULL;
1431         gboolean dimmed = FALSE;
1432
1433         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1434         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1435         rule = MODEST_DIMMING_RULE (user_data);
1436         state = modest_window_get_dimming_state (win);
1437
1438
1439         /* Check common dimming rules */
1440         if (!dimmed) {
1441                 ModestMsgEditFormat format;
1442                 format = modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
1443
1444                 dimmed = (format != MODEST_MSG_EDIT_FORMAT_HTML);
1445                 if (dimmed)
1446                         modest_dimming_rule_set_notification (rule, _("mcen_ib_item_unavailable_plaintext"));
1447         }
1448
1449         if (!dimmed) {
1450                 GtkWidget *body;
1451                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1452                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1453
1454                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1455                 if (dimmed)
1456                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1457         }
1458
1459
1460         return dimmed;
1461 }
1462
1463 gboolean
1464 modest_ui_dimming_rules_on_zoom (ModestWindow *win, gpointer user_data)
1465 {
1466         ModestDimmingRule *rule = NULL;
1467         const DimmedState *state = NULL;
1468         gboolean dimmed = FALSE;
1469
1470         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1471         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1472         rule = MODEST_DIMMING_RULE (user_data);
1473         state = modest_window_get_dimming_state (win);
1474
1475         if (!dimmed) {
1476                 GtkWidget *body;
1477                 body = modest_msg_edit_window_get_child_widget (MODEST_MSG_EDIT_WINDOW (win),
1478                                                                 MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1479
1480                 dimmed = ((body == NULL)||(!gtk_widget_is_focus (body)));
1481                 if (dimmed)
1482                         modest_dimming_rule_set_notification (rule, _("mcen_ib_move_cursor_to_message"));
1483         }
1484
1485
1486         return dimmed;
1487 }
1488
1489 gboolean
1490 modest_ui_dimming_rules_on_editor_paste (ModestWindow *win, gpointer user_data)
1491 {
1492         ModestDimmingRule *rule = NULL;
1493         const DimmedState *state = NULL;
1494         gboolean dimmed = FALSE;
1495         GtkWidget *focused = NULL;
1496
1497         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1498         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1499         rule = MODEST_DIMMING_RULE (user_data);
1500         state = modest_window_get_dimming_state (win);
1501
1502         focused = gtk_window_get_focus (GTK_WINDOW (win));
1503
1504         if (!dimmed) {
1505                 dimmed = MODEST_IS_ATTACHMENTS_VIEW (focused);
1506         }
1507
1508         if (!dimmed) {
1509                 dimmed = GTK_IS_TOGGLE_BUTTON (focused);
1510         }
1511
1512         if (!dimmed) {
1513                 ModestEmailClipboard *e_clipboard = modest_runtime_get_email_clipboard ();
1514                 dimmed = modest_email_clipboard_cleared (e_clipboard) &&
1515                         (modest_msg_edit_window_get_clipboard_text(MODEST_MSG_EDIT_WINDOW (win)) == NULL) &&
1516                         !gtk_clipboard_wait_is_text_available(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
1517         }
1518
1519         return dimmed;
1520 }
1521
1522 gboolean
1523 modest_ui_dimming_rules_on_editor_remove_attachment (ModestWindow *win, gpointer user_data)
1524 {
1525         ModestDimmingRule *rule = NULL;
1526         const DimmedState *state = NULL;
1527         gboolean dimmed = FALSE;
1528
1529         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1530         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1531         rule = MODEST_DIMMING_RULE (user_data);
1532         state = modest_window_get_dimming_state (win);
1533
1534         if (!dimmed) {
1535                 GList *selected_attachments = NULL;
1536                 gint n_att_selected = 0;
1537                 GtkWidget *attachments_view;
1538                 attachments_view = modest_msg_edit_window_get_child_widget (
1539                         MODEST_MSG_EDIT_WINDOW (win),
1540                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_ATTACHMENTS);
1541
1542                 selected_attachments = modest_attachments_view_get_selection (
1543                         MODEST_ATTACHMENTS_VIEW (attachments_view));
1544                 n_att_selected = g_list_length (selected_attachments);
1545                 g_list_free (selected_attachments);
1546
1547                 dimmed = (n_att_selected != 1);
1548         }
1549
1550         return dimmed;
1551 }
1552
1553 gboolean
1554 modest_ui_dimming_rules_on_send (ModestWindow *win, gpointer user_data)
1555 {
1556         ModestDimmingRule *rule = NULL;
1557         const DimmedState *state = NULL;
1558         gboolean dimmed = FALSE;
1559
1560         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1561         g_return_val_if_fail (MODEST_IS_MSG_EDIT_WINDOW (win), TRUE);
1562         rule = MODEST_DIMMING_RULE (user_data);
1563         state = modest_window_get_dimming_state (win);
1564
1565         if (!dimmed) {
1566                 GtkWidget *subject_field, *body_field;
1567                 GtkTextBuffer *body_buffer;
1568                 const gchar *subject = NULL;
1569                 body_field = modest_msg_edit_window_get_child_widget (
1570                         MODEST_MSG_EDIT_WINDOW (win),
1571                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BODY);
1572                 subject_field = modest_msg_edit_window_get_child_widget (
1573                         MODEST_MSG_EDIT_WINDOW (win),
1574                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_SUBJECT);
1575                 body_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (body_field));
1576                 subject = gtk_entry_get_text (GTK_ENTRY (subject_field));
1577
1578                 dimmed = ((subject == NULL || subject[0] == '\0')
1579                           || (gtk_text_buffer_get_char_count(body_buffer) == 0));
1580                 if (dimmed)
1581                         modest_dimming_rule_set_notification (rule, _("mcen_ib_subject_or_body_not_modified"));
1582         }
1583
1584         if (!dimmed) {
1585                 GtkWidget *to_field, *cc_field, *bcc_field;
1586                 GtkTextBuffer * to_buffer, *cc_buffer, *bcc_buffer;
1587                 cc_field = modest_msg_edit_window_get_child_widget (
1588                         MODEST_MSG_EDIT_WINDOW (win),
1589                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_CC);
1590                 to_field = modest_msg_edit_window_get_child_widget (
1591                         MODEST_MSG_EDIT_WINDOW (win),
1592                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_TO);
1593                 bcc_field = modest_msg_edit_window_get_child_widget (
1594                         MODEST_MSG_EDIT_WINDOW (win),
1595                         MODEST_MSG_EDIT_WINDOW_WIDGET_TYPE_BCC);
1596                 to_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (to_field));
1597                 cc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (cc_field));
1598                 bcc_buffer = modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (bcc_field));
1599
1600                 dimmed = ((gtk_text_buffer_get_char_count (to_buffer) +
1601                            gtk_text_buffer_get_char_count (cc_buffer) +
1602                            gtk_text_buffer_get_char_count (bcc_buffer)) == 0);
1603                 if (dimmed)
1604                         modest_dimming_rule_set_notification (rule, _("mcen_ib_add_recipients_first"));
1605         }
1606
1607         return dimmed;
1608 }
1609
1610 gboolean
1611 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
1612 {
1613         ModestDimmingRule *rule = NULL;
1614         gboolean dimmed = FALSE;
1615
1616         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1617         rule = MODEST_DIMMING_RULE (user_data);
1618
1619         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1620
1621         /* Check dimmed rule */
1622         if (!dimmed) {
1623                 dimmed = _transfer_mode_enabled (win);
1624                 if (dimmed)
1625                         modest_dimming_rule_set_notification (
1626                                         rule, _("mail_ib_notavailable_downloading"));
1627         }
1628         if (!dimmed) {
1629                 dimmed = modest_msg_view_window_first_message_selected (
1630                                 MODEST_MSG_VIEW_WINDOW(win));
1631                 modest_dimming_rule_set_notification (rule, NULL);
1632         }
1633
1634         return dimmed;
1635 }
1636
1637 gboolean
1638 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
1639 {
1640         ModestDimmingRule *rule = NULL;
1641         gboolean dimmed = FALSE;
1642
1643         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1644         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1645         rule = MODEST_DIMMING_RULE (user_data);
1646
1647         /* Check dimmed rule */
1648         if (!dimmed) {
1649                 dimmed = _transfer_mode_enabled (win);
1650                 if (dimmed)
1651                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1652         }
1653         if (!dimmed) {
1654                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1655                 modest_dimming_rule_set_notification (rule, NULL);
1656         }
1657
1658         return dimmed;
1659 }
1660
1661
1662 gboolean
1663 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1664 {
1665         const gboolean dimmed =
1666                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1667                         TRUE);
1668
1669         return dimmed;
1670 }
1671
1672 gboolean
1673 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1674 {
1675         ModestDimmingRule *rule = NULL;
1676         TnyFolderType types[1];
1677         const DimmedState *state = NULL;
1678         gboolean dimmed = FALSE;
1679
1680         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1681         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1682         rule = MODEST_DIMMING_RULE (user_data);
1683         state = modest_window_get_dimming_state (win);
1684
1685         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1686
1687         /* Check dimmed rules */
1688         if (!dimmed) {
1689                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1690                 if (dimmed)
1691                         modest_dimming_rule_set_notification (rule, "");
1692         }
1693         if (!dimmed) {
1694                 dimmed = !_sending_in_progress (win);
1695                 if (dimmed)
1696                         modest_dimming_rule_set_notification (rule, "");
1697         }
1698
1699         return dimmed;
1700 }
1701
1702 gboolean
1703 modest_ui_dimming_rules_on_csm_cancel_sending (ModestWindow *win, gpointer user_data)
1704 {
1705         ModestDimmingRule *rule = NULL;
1706         TnyFolderType types[1];
1707         const DimmedState *state = NULL;
1708         gboolean dimmed = FALSE;
1709
1710         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1711         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1712         rule = MODEST_DIMMING_RULE (user_data);
1713         state = modest_window_get_dimming_state (win);
1714
1715         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1716
1717         /* Check dimmed rules */
1718         if (!dimmed) {
1719                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1720                 if (dimmed)
1721                         modest_dimming_rule_set_notification (rule, "");
1722         }
1723         if (!dimmed) {
1724                 dimmed = !_sending_in_progress (win);
1725                 if (dimmed)
1726                         modest_dimming_rule_set_notification (rule, "");
1727         }
1728
1729         return dimmed;
1730 }
1731
1732 gboolean
1733 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1734 {
1735         ModestDimmingRule *rule = NULL;
1736         gboolean dimmed = FALSE;
1737
1738         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1739         rule = MODEST_DIMMING_RULE (user_data);
1740
1741         /* Check dimmed rule */
1742         if (!dimmed) {
1743                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1744                                                           TRUE);
1745                 if (dimmed)
1746                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1747         }
1748
1749         return dimmed;
1750 }
1751
1752 gboolean
1753 modest_ui_dimming_rules_on_send_receive_all (ModestWindow *win, gpointer user_data)
1754 {
1755         ModestDimmingRule *rule = NULL;
1756         gboolean dimmed = FALSE;
1757
1758         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1759         rule = MODEST_DIMMING_RULE (user_data);
1760
1761         /* Check dimmed rule */
1762         if (!dimmed) {
1763                 GSList *account_names = modest_account_mgr_account_names (modest_runtime_get_account_mgr (), TRUE);
1764                 if (g_slist_length (account_names) <= 1)
1765                         dimmed = TRUE;
1766                 if (dimmed)
1767                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1768
1769                 modest_account_mgr_free_account_names (account_names);
1770         }
1771
1772         return dimmed;
1773 }
1774
1775 gboolean
1776 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1777 {
1778         ModestDimmingRule *rule = NULL;
1779         gboolean dimmed = FALSE;
1780         GtkWidget *focused = NULL;
1781
1782         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1783         rule = MODEST_DIMMING_RULE (user_data);
1784         focused = gtk_window_get_focus (GTK_WINDOW (win));
1785
1786         dimmed = !focused;
1787
1788         if (!dimmed) {
1789                 gchar *selection = NULL;
1790                 if (GTK_IS_TEXT_VIEW (focused)) {
1791                         GtkTextIter start, end;
1792                         GtkTextBuffer *buffer = NULL;
1793                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
1794                         if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) {
1795                                 selection = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1796                         }
1797                 } else if (GTK_IS_LABEL (focused)) {
1798                         gint start, end;
1799                         if (gtk_label_get_selection_bounds (GTK_LABEL (focused), &start, &end)) {
1800                                 const gchar *start_offset;
1801                                 start_offset = gtk_label_get_text (GTK_LABEL (focused));
1802                                 start_offset = g_utf8_offset_to_pointer (start_offset, start);
1803                                 selection = g_new0 (gchar, end - start + 1);
1804                                 g_utf8_strncpy (selection, start_offset, end - start);
1805                         }
1806                 } else {
1807                         gboolean do_check = TRUE;
1808                         GtkClipboard *clipboard;
1809                         if (GTK_IS_HTML (focused)) {
1810                                 const gchar *sel;
1811                                 guint len = -1;
1812                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
1813                                 do_check = !((sel == NULL) || (sel[0] == '\0'));
1814                         }
1815                         if (do_check) {
1816                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1817                                 selection = gtk_clipboard_wait_for_text (clipboard);
1818                         } else {
1819                                 selection = NULL;
1820                         }
1821                 }
1822                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1823         }
1824
1825         return dimmed;
1826 }
1827
1828 /* *********************** static utility functions ******************** */
1829
1830
1831 static gboolean
1832 _selected_folder_not_writeable (ModestMainWindow *win,
1833                                 gboolean for_paste)
1834 {
1835         GtkWidget *folder_view = NULL;
1836         TnyFolderStore *parent_folder = NULL;
1837         ModestEmailClipboard *clipboard = NULL;
1838         ModestTnyFolderRules rules;
1839         gboolean is_local_acc = FALSE;
1840         gboolean xfer_folders = FALSE;
1841         gboolean result = FALSE;
1842
1843         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1844
1845         /* Get folder view */
1846         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1847                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1848         /* If no folder view, always dimmed */
1849         if (!folder_view)
1850                 return TRUE;
1851
1852         /* Get selected folder as parent of new folder to create */
1853         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1854         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1855                 /* If it's the local account and its transfering folders, then do not dim */
1856                 if (TNY_IS_ACCOUNT (parent_folder)) {
1857                         is_local_acc = modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder));
1858                         if (for_paste) {
1859                                 clipboard = modest_runtime_get_email_clipboard ();
1860                                 xfer_folders = modest_email_clipboard_folder_copied (clipboard);
1861                         }
1862                 }
1863
1864                 if (for_paste)
1865                         result = !(is_local_acc && xfer_folders);
1866                 else
1867                         result = !is_local_acc;
1868                 goto frees;
1869         }
1870
1871         /* Check dimmed rule */
1872         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1873         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1874
1875         /* free */
1876  frees:
1877         if (parent_folder != NULL)
1878                 g_object_unref (parent_folder);
1879
1880         return result;
1881 }
1882
1883 static gboolean
1884 _selected_folder_not_deletable (ModestMainWindow *win)
1885 {
1886         GtkWidget *folder_view = NULL;
1887         TnyFolderStore *parent_folder = NULL;
1888         ModestTnyFolderRules rules;
1889         gboolean result = FALSE;
1890
1891         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1892
1893         /* Get folder view */
1894         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1895                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1896         /* If no folder view, always dimmed */
1897         if (!folder_view)
1898                 return TRUE;
1899
1900         /* Get selected folder as parent of new folder to create */
1901         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1902         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1903                 result = TRUE;
1904                 goto frees;
1905         }
1906
1907         /* Check dimmed rule */
1908         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1909         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE;
1910
1911         /* free */
1912  frees:
1913         if (parent_folder != NULL)
1914                 g_object_unref (parent_folder);
1915
1916         return result;
1917 }
1918
1919 static gboolean
1920 _selected_folder_not_moveable (ModestMainWindow *win)
1921 {
1922         GtkWidget *folder_view = NULL;
1923         TnyFolderStore *parent_folder = NULL;
1924         ModestTnyFolderRules rules;
1925         gboolean result = FALSE;
1926
1927         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1928
1929         /* Get folder view */
1930         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1931                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1932         /* If no folder view, always dimmed */
1933         if (!folder_view)
1934                 return TRUE;
1935
1936         /* Get selected folder as parent of new folder to create */
1937         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1938         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1939                 result = TRUE;
1940                 goto frees;
1941         }
1942
1943         /* Check dimmed rule */
1944         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1945         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1946
1947         /* free */
1948  frees:
1949         if (parent_folder != NULL)
1950                 g_object_unref (parent_folder);
1951
1952         return result;
1953 }
1954
1955 static gboolean
1956 _selected_folder_not_renameable (ModestMainWindow *win)
1957 {
1958         GtkWidget *folder_view = NULL;
1959         TnyFolderStore *parent_folder = NULL;
1960         ModestTnyFolderRules rules;
1961         gboolean result = FALSE;
1962
1963         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1964
1965         /* Get folder view */
1966         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1967                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1968         /* If no folder view, always dimmed */
1969         if (!folder_view)
1970                 return TRUE;
1971
1972         /* Get selected folder as parent of new folder to create */
1973         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1974         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1975                 result = TRUE;
1976                 goto frees;
1977         }
1978
1979         /* Check dimmed rule */
1980         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1981         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE;
1982
1983         /* free */
1984  frees:
1985         if (parent_folder != NULL)
1986                 g_object_unref (parent_folder);
1987
1988         return result;
1989 }
1990
1991 static gboolean
1992 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1993 {
1994         TnyFolderType types[2];
1995         gboolean result = FALSE;
1996
1997         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1998
1999         types[0] = TNY_FOLDER_TYPE_ROOT;
2000         types[1] = TNY_FOLDER_TYPE_INBOX;
2001
2002         /* Check folder type */
2003         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
2004
2005         /* Check pop and MMC accounts */
2006         if (!result) {
2007                 result = _selected_folder_is_MMC_or_POP_root (win);
2008         }
2009
2010         return result;
2011 }
2012
2013
2014 static gboolean
2015 _selected_folder_is_root (ModestMainWindow *win)
2016 {
2017         TnyFolderType types[1];
2018         gboolean result = FALSE;
2019
2020         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2021
2022         /* All accounts are root items: */
2023         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2024                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2025         if (folder_view) {
2026                 gboolean is_account = FALSE;
2027                 TnyFolderStore *folder_store =
2028                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2029                 if (folder_store) {
2030                         is_account = TNY_IS_ACCOUNT (folder_store);
2031                         g_object_unref (folder_store);
2032                         folder_store = NULL;
2033                 }
2034
2035                 if (is_account)
2036                         return TRUE;
2037         }
2038
2039         /* Try something more precise: */
2040         types[0] = TNY_FOLDER_TYPE_ROOT;
2041
2042         /* Check folder type */
2043         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
2044
2045         /* Check pop and MMC accounts */
2046         if (!result) {
2047                 result = _selected_folder_is_MMC_or_POP_root (win);
2048         }
2049
2050         return result;
2051 }
2052
2053 static gboolean
2054 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
2055 {
2056         GtkWidget *folder_view = NULL;
2057         TnyFolderStore *parent_folder = NULL;
2058         gboolean result = FALSE;
2059
2060         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2061                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2062         if (!folder_view)
2063                 return FALSE;
2064
2065         /* Get selected folder as parent of new folder to create */
2066         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2067         if (!parent_folder)
2068                 return TRUE;
2069
2070         if (TNY_IS_ACCOUNT (parent_folder)) {
2071                 /* If it's the local account then do not dim */
2072                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
2073                         result = FALSE;
2074                 } else {
2075                                 /* If it's the MMC root folder then dim it */
2076                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
2077                                         result = TRUE;
2078                         } else {
2079                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
2080                                 /* If it's POP then dim */
2081                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2082                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
2083                         }
2084                 }
2085         }
2086         g_object_unref (parent_folder);
2087
2088         return result;
2089 }
2090
2091 static gboolean
2092 _header_view_is_all_selected (ModestMainWindow *win)
2093 {
2094         const DimmedState *state = NULL;
2095
2096         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2097
2098         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2099
2100         return state->all_selected;
2101 }
2102
2103 static gboolean
2104 _selected_folder_is_empty (ModestMainWindow *win)
2105 {
2106         GtkWidget *folder_view = NULL;
2107         TnyFolderStore *folder = NULL;
2108         gboolean result = FALSE;
2109
2110         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2111
2112         /* Get folder view */
2113         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2114                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2115         /* If no folder view, always dimmed */
2116         if (!folder_view)
2117                 return TRUE;
2118
2119         /* Get selected folder as parent of new folder to create */
2120         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2121         if (!(folder && TNY_IS_FOLDER(folder))) {
2122                 if (folder)
2123                         g_object_unref (folder);
2124                 return TRUE;
2125         }
2126
2127         /* Check folder type */
2128         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
2129
2130         /* free */
2131         g_object_unref (folder);
2132
2133         return result;
2134 }
2135
2136 static gboolean
2137 _folder_view_has_focus (ModestWindow *win)
2138 {
2139         GtkWidget *folder_view = NULL;
2140
2141         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2142
2143         /* Get folder view */
2144         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2145                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2146         if (!folder_view)
2147                 return FALSE;
2148
2149         if (gtk_widget_is_focus(folder_view))
2150                 return TRUE;
2151
2152         return FALSE;
2153 }
2154
2155 static gboolean
2156 _selected_folder_is_same_as_source (ModestWindow *win)
2157 {
2158         ModestEmailClipboard *clipboard = NULL;
2159         GtkWidget *folder_view = NULL;
2160         TnyFolderStore *folder = NULL;
2161         gboolean result = FALSE;
2162
2163         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2164
2165         /* Get folder view */
2166         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2167                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2168         if (!folder_view)
2169                 return FALSE;
2170
2171         /* Get selected folder as destination folder */
2172         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2173         if (!(folder && TNY_IS_FOLDER(folder))) {
2174                 result = FALSE;
2175                 goto frees;
2176         }
2177
2178         /* Check clipboard is cleared */
2179         clipboard = modest_runtime_get_email_clipboard ();
2180         if (modest_email_clipboard_cleared (clipboard)) {
2181                 result = FALSE;
2182                 goto frees;
2183         }
2184
2185         /* Check source folder */
2186         result = modest_email_clipboard_check_source_folder (clipboard, TNY_FOLDER (folder));
2187
2188         /* Free */
2189  frees:
2190         g_object_unref (folder);
2191
2192         return result;
2193 }
2194
2195 static gboolean
2196 _selected_folder_is_any_of_type (ModestWindow *win,
2197                                  TnyFolderType types[],
2198                                  guint ntypes)
2199 {
2200         GtkWidget *folder_view = NULL;
2201         TnyFolderStore *folder = NULL;
2202         TnyFolderType folder_type;
2203         guint i=0;
2204         gboolean result = FALSE;
2205
2206         /*Get current folder */
2207         if (MODEST_IS_MAIN_WINDOW(win)) {
2208
2209                 /* Get folder view */
2210                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2211                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2212                 /* If no folder view, always dimmed */
2213                 if (!folder_view)
2214                         return FALSE;
2215
2216                 /* Get selected folder as parent of new folder to create */
2217                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2218
2219                 if (!(folder && TNY_IS_FOLDER(folder))) {
2220                         if (folder)
2221                                 g_object_unref (folder);
2222                         return FALSE;
2223                 }
2224
2225                 /* Check folder type */
2226                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
2227         }
2228         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2229                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
2230                 for (i=0; i < ntypes; i++) {
2231                         result = result || folder_type == types[i];
2232                 }
2233         }
2234
2235
2236         /* free */
2237         g_object_unref (folder);
2238
2239         return result;
2240 }
2241
2242 static gboolean
2243 _folder_is_any_of_type (TnyFolder *folder,
2244                         TnyFolderType types[],
2245                         guint ntypes)
2246 {
2247         TnyFolderType folder_type;
2248         gboolean result = FALSE;
2249         guint i;
2250
2251         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
2252
2253         /* Get folder type */
2254         folder_type = modest_tny_folder_guess_folder_type (folder);
2255         if (folder_type == TNY_FOLDER_TYPE_INVALID)
2256                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
2257
2258         /* Check foler type */
2259         for (i=0; i < ntypes; i++) {
2260                 result = result || folder_type == types[i];
2261         }
2262
2263         return result;
2264 }
2265
2266 static gboolean
2267 _clipboard_is_empty (ModestWindow *win)
2268 {
2269         gboolean result = FALSE;
2270
2271         if (MODEST_IS_MAIN_WINDOW (win)) {
2272                 ModestEmailClipboard *clipboard = NULL;
2273                 clipboard = modest_runtime_get_email_clipboard ();
2274                 if (modest_email_clipboard_cleared (clipboard))
2275                  result = TRUE;
2276         }
2277
2278         return result;
2279 }
2280
2281 static gboolean
2282 _invalid_clipboard_selected (ModestWindow *win,
2283                              ModestDimmingRule *rule)
2284 {
2285         const DimmedState *state = NULL;
2286         gboolean result = FALSE;
2287         GtkWidget *focused = NULL;
2288
2289         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2290         state = modest_window_get_dimming_state (win);
2291         /* Get focuesed widget */
2292         focused = gtk_window_get_focus (GTK_WINDOW (win));
2293
2294         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
2295                 gboolean has_selection = FALSE;
2296                 if (GTK_IS_TEXT_VIEW (focused)) {
2297                         GtkTextBuffer *buffer = NULL;
2298                         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2299                         has_selection = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
2300                 } else if (GTK_IS_EDITABLE (focused)) {
2301                         has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (focused), NULL, NULL);
2302                 }
2303                 result = !has_selection;
2304         } else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2305                 if (focused) {
2306                         g_message ("FOCUSED %s", g_type_name (G_TYPE_FROM_INSTANCE (focused)));
2307                         if (GTK_IS_LABEL (focused) &&
2308                             !gtk_label_get_selection_bounds (GTK_LABEL (focused), NULL, NULL)) {
2309                                 result = TRUE;
2310                         } else if (GTK_IS_TEXT_VIEW (focused)) {
2311                                 GtkTextBuffer *buffer;
2312                                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (focused));
2313                                 result = !gtk_text_buffer_get_has_selection (buffer);
2314                         } else if (GTK_IS_HTML (focused)) {
2315                                 const gchar *sel;
2316                                 guint len = -1;
2317                                 sel = gtk_html_get_selection_html (GTK_HTML (focused), &len);
2318                                 result = ((sel == NULL) || (sel[0] == '\0'));
2319                         } else if (!MODEST_IS_ATTACHMENTS_VIEW (focused)) {
2320                                 GtkClipboard *clipboard;
2321                                 gchar *selection;
2322
2323                                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
2324                                 /* Get clipboard selection*/
2325                                 selection = gtk_clipboard_wait_for_text (clipboard);
2326                                 /* Check dimming */
2327                                 result = (selection == NULL);
2328                                 g_free (selection);
2329                         }
2330                 } else {
2331                         result = TRUE;
2332                 }
2333
2334                 if (result)
2335                         modest_dimming_rule_set_notification (rule, "");
2336
2337         }
2338         else if (MODEST_IS_MAIN_WINDOW (win)) {
2339                 /* Check dimming */
2340                 result = state->n_selected == 0;
2341                 if (result)
2342                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2343         }
2344
2345         return result;
2346 }
2347
2348
2349 static gboolean
2350 _invalid_attach_selected (ModestWindow *win,
2351                           gboolean unique,
2352                           gboolean for_view,
2353                           gboolean for_remove,
2354                           ModestDimmingRule *rule)
2355 {
2356         GList *attachments, *node;
2357         gint n_selected;
2358         TnyHeaderFlags flags;
2359         gboolean nested_attachments = FALSE;
2360         gboolean selected_messages = FALSE;
2361         const DimmedState *state = NULL;
2362         gboolean result = FALSE;
2363
2364         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
2365         state = modest_window_get_dimming_state (win);
2366
2367         if (MODEST_IS_MAIN_WINDOW (win)) {
2368                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
2369                 if (!result)
2370                         result = !state->any_has_attachments;
2371         }
2372         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2373
2374                 /* Get selected atachments */
2375                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2376                 n_selected = g_list_length (attachments);
2377
2378                 /* Check unique */
2379                 if (!result) {
2380                         if (unique)
2381                                 result = n_selected != 1;
2382                         else
2383
2384                                 result = n_selected < 1;
2385                 }
2386
2387                 /* Check attached type (view operation not required) */
2388                 if (!result && !for_view)  {
2389                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
2390                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2391                                 TnyList *nested_list = tny_simple_list_new ();
2392                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
2393                                         selected_messages = TRUE;
2394                                         result = TRUE;
2395                                 }
2396                                 tny_mime_part_get_parts (mime_part, nested_list);
2397                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
2398                                         nested_attachments = TRUE;
2399                                         result = TRUE;
2400                                 }
2401                                 g_object_unref (nested_list);
2402                         }
2403                 }
2404
2405                 /* Set notifications */
2406                 if (result && rule != NULL) {
2407                         if (selected_messages) {
2408                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
2409                         } else if (nested_attachments) {
2410                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
2411                         } else if (n_selected == 0) {
2412                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
2413                         } else if (unique) {
2414                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
2415                         }
2416                 }
2417
2418                 /* Free */
2419                 g_list_free (attachments);
2420         }
2421
2422         return result;
2423 }
2424
2425 static gboolean
2426 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
2427 {
2428         GList *attachments = NULL, *node;
2429         gint purged = 0;
2430         gint n_attachments = 0;
2431         gboolean result = FALSE;
2432
2433         /* This should check if _all_ the attachments are already purged. If only some
2434          * of them are purged, then it does not cause dim as there's a confirmation dialog
2435          * for removing only local attachments */
2436
2437         /* Get selected atachments */
2438         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2439                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2440         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2441                 /* If we're in main window, we won't know if there are already purged attachments */
2442                 return FALSE;
2443         }
2444
2445         if (attachments == NULL)
2446                 return FALSE;
2447
2448         for (node = attachments; node != NULL; node = g_list_next (node)) {
2449                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
2450                 if (tny_mime_part_is_purged (mime_part)) {
2451                         purged++;
2452                 }
2453                 n_attachments++;
2454         }
2455
2456         /* Free */
2457         g_list_free (attachments);
2458
2459         if (all)
2460                 result = (purged == n_attachments);
2461         else
2462                 result = (purged > 0);
2463
2464         /* This string no longer exists, refer to NB#75415 for more info
2465         if (result && (rule != NULL))
2466                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
2467         */
2468
2469         return result;
2470 }
2471
2472 static gboolean
2473 _invalid_msg_selected (ModestMainWindow *win,
2474                        gboolean unique,
2475                        ModestDimmingRule *rule)
2476 {
2477         GtkWidget *folder_view = NULL;
2478         const DimmedState *state = NULL;
2479         gboolean result = FALSE;
2480
2481         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
2482         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
2483         state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2484
2485         /* Get folder view to check focus */
2486         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2487                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2488
2489         /* Check dimmed rule (TODO: check focus on widgets */
2490         if (!result) {
2491                 result = ((state->n_selected == 0 ) ||
2492                           (gtk_widget_is_focus (folder_view)));
2493                 if (result)
2494                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
2495         }
2496         if (!result && unique) {
2497                 result = state->n_selected > 1;
2498                 if (result)
2499                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
2500         }
2501
2502         return result;
2503 }
2504
2505
2506 static gboolean
2507 _msg_download_in_progress (ModestWindow *win)
2508 {
2509         gboolean result = FALSE;
2510
2511         g_return_val_if_fail (MODEST_IS_WINDOW (win), FALSE);
2512
2513         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2514                 result = modest_msg_view_window_toolbar_on_transfer_mode (MODEST_MSG_VIEW_WINDOW(win));
2515         }
2516         else if (MODEST_IS_MAIN_WINDOW (win)) {
2517                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW(win));
2518         }
2519
2520         return result;
2521 }
2522
2523 static gboolean
2524 _msg_download_completed (ModestMainWindow *win)
2525 {
2526         const DimmedState *state = modest_window_get_dimming_state (MODEST_WINDOW(win));
2527         return state->any_marked_as_cached;
2528 }
2529
2530 static void
2531 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
2532 {
2533         GSList **send_queues = (GSList **) userdata;
2534         *send_queues = g_slist_prepend (*send_queues, value);
2535 }
2536
2537 static gboolean
2538 _selected_msg_sent_in_progress (ModestWindow *win)
2539 {
2540         const DimmedState *state = modest_window_get_dimming_state (win);
2541         return state->sent_in_progress;
2542 }
2543
2544
2545 static gboolean
2546 _sending_in_progress (ModestWindow *win)
2547 {
2548         GHashTable *send_queue_cache = NULL;
2549         ModestCacheMgr *cache_mgr = NULL;
2550         ModestTnySendQueue *send_queue = NULL;
2551         GSList *send_queues = NULL, *node = NULL;
2552         gboolean result = FALSE;
2553
2554         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
2555
2556         /* Get send queue */
2557         cache_mgr = modest_runtime_get_cache_mgr ();
2558         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
2559                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
2560
2561         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
2562
2563         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
2564                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
2565
2566                 /* Check if send operation is in progress */
2567                 result = modest_tny_send_queue_sending_in_progress (send_queue);
2568         }
2569
2570         return result;
2571 }
2572
2573 static gboolean
2574 _invalid_folder_for_purge (ModestWindow *win,
2575                            ModestDimmingRule *rule)
2576 {
2577         TnyFolder *folder = NULL;
2578         TnyAccount *account = NULL;
2579         gboolean result = FALSE;
2580
2581         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2582
2583                 /* Get folder and account of message */
2584                 TnyMsg *msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
2585                 g_return_val_if_fail(msg != NULL, TRUE);
2586                 folder = tny_msg_get_folder (msg);
2587                 g_object_unref (msg);
2588                 if (folder == NULL) {
2589                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2590                         goto frees;
2591                 }
2592         } else if (MODEST_IS_MAIN_WINDOW (win)) {
2593                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
2594                                                                               MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2595                 if (!folder_view)
2596                         return FALSE;
2597                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
2598                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
2599                         goto frees;
2600         } else {
2601                 g_return_val_if_reached (FALSE);
2602         }
2603         account = modest_tny_folder_get_account (folder);
2604         if (account == NULL) goto frees;
2605
2606         /* Check account */
2607         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
2608                 TnyFolderType types[2];
2609                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
2610                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
2611
2612                 if (_selected_folder_is_any_of_type (win, types, 2)) {
2613                         result = TRUE;
2614                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2615                 } else {
2616                         result = FALSE;
2617                 }
2618         } else {
2619                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2620                 /* If it's POP then dim */
2621                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2622                     MODEST_PROTOCOL_STORE_POP) {
2623                         GList *attachments = NULL;
2624                         gint n_selected = 0;
2625                         result = TRUE;
2626
2627                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2628                          * murrayc */
2629                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2630                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2631                                 n_selected = g_list_length (attachments);
2632                                 g_list_free (attachments);
2633                         }
2634
2635                         modest_dimming_rule_set_notification (rule,
2636                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2637                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2638                                                                         n_selected));
2639                 }
2640         }
2641
2642 frees:
2643         if (folder != NULL)
2644                 g_object_unref (folder);
2645         if (account != NULL)
2646                 g_object_unref (account);
2647
2648         return result;
2649 }
2650
2651 static gboolean
2652 _transfer_mode_enabled (ModestWindow *win)
2653 {
2654         gboolean result = FALSE;
2655
2656         /* Check dimming */
2657         if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
2658                 result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2659         } else if (MODEST_IS_MAIN_WINDOW(win)) {
2660                 result = modest_main_window_transfer_mode_enabled (MODEST_MAIN_WINDOW (win));
2661         } else {
2662                 g_warning("_transfer_mode_enabled called with wrong window type");
2663         }
2664
2665         return result;
2666 }
2667
2668 static gboolean
2669 _selected_folder_has_subfolder_with_same_name (ModestWindow *win)
2670 {
2671         GtkWidget *folder_view = NULL;
2672         TnyFolderStore *folder = NULL;
2673         ModestEmailClipboard *clipboard = NULL;
2674         const gchar *folder_name = NULL;
2675         gboolean result = FALSE;
2676
2677         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
2678
2679         /*Get current parent folder */
2680         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
2681                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
2682         /* If no folder view, always dimmed */
2683         if (!folder_view) return FALSE;
2684
2685         /* Get selected folder as parent of new folder to create */
2686         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
2687         if (!(folder && TNY_IS_FOLDER(folder))) goto frees;
2688
2689         /* get modest clipboard and source folder */
2690         clipboard = modest_runtime_get_email_clipboard ();
2691         folder_name = modest_email_clipboard_get_folder_name (clipboard);
2692         if (folder_name == NULL) goto frees;
2693
2694         /* Check source subfolders names */
2695         result = modest_tny_folder_has_subfolder_with_name (folder, folder_name,
2696                                                             TRUE);
2697
2698         /* Free */
2699  frees:
2700         if (folder != NULL)
2701                 g_object_unref (folder);
2702
2703
2704         return result;
2705 }
2706
2707 gboolean
2708 modest_ui_dimming_rules_on_save_to_drafts (ModestWindow *win,
2709                                            gpointer user_data)
2710 {
2711         ModestDimmingRule *rule = NULL;
2712         gboolean dimmed = FALSE;
2713
2714         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2715         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
2716         rule = MODEST_DIMMING_RULE (user_data);
2717
2718         /* Check dimmed rule */
2719         if (!dimmed) {
2720                 dimmed = !modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (win));
2721         }
2722
2723         return dimmed;
2724 }
2725
2726 gboolean
2727 modest_ui_dimming_rules_on_insert_image (ModestWindow *win,
2728                                          gpointer user_data)
2729 {
2730         g_return_val_if_fail (MODEST_MSG_EDIT_WINDOW (win), FALSE);
2731
2732         ModestMsgEditFormat format =
2733           modest_msg_edit_window_get_format (MODEST_MSG_EDIT_WINDOW (win));
2734
2735         return (format != MODEST_MSG_EDIT_FORMAT_HTML);
2736 }