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-text-utils.h"
  39 #include <widgets/modest-attachments-view.h>
  40 #include <modest-runtime.h>
  41 #include <tny-simple-list.h>
  42
  43
  44 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  45 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  46 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  47 static gboolean _purged_attach_selected (ModestWindow *win);
  48 static gboolean _clipboard_is_empty (ModestWindow *win);
  49 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  50 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  51 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  52 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  53 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  55 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  60 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  61 static gboolean _msg_download_completed (ModestMainWindow *win);
  62 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  63 static gboolean _sending_in_progress (ModestWindow *win);
  64 static gboolean _marked_as_deleted (ModestWindow *win);
  65 static gboolean _invalid_attachment_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  66 static gboolean _transfer_mode_enabled (ModestWindow *win);
  67
  68
  69 gboolean
  70 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  71 {
  72         ModestDimmingRule *rule = NULL;
  73         gboolean dimmed = FALSE;
  74
  75         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  76         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  77         rule = MODEST_DIMMING_RULE (user_data);
  78
  79         /* Check dimmed rule */
  80         if (!dimmed) {
  81                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  82                 if (dimmed)
  83                         modest_dimming_rule_set_notification (rule, "");
  84         }
  85
  86         return dimmed;
  87 }
  88
  89 gboolean
  90 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  91 {
  92         ModestDimmingRule *rule = NULL;
  93         gboolean dimmed = FALSE;
  94
  95         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  96         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  97         rule = MODEST_DIMMING_RULE (user_data);
  98
  99         /* Check common new folder menu item dimming rules */
 100         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 101
 102         /* Check CSM specific dimming rules */
 103         if (!dimmed) {
 104                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 105                 if (dimmed)
 106                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 107         }
 108
 109         return dimmed;
 110 }
 111
 112 gboolean
 113 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 114 {
 115         ModestDimmingRule *rule = NULL;
 116         GtkWidget *folder_view = NULL;
 117         TnyFolderStore *parent_folder = NULL;
 118         gboolean dimmed = FALSE;
 119
 120         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 121         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 122         rule = MODEST_DIMMING_RULE (user_data);
 123
 124         /* Get selected folder as parent of new folder to create */
 125         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 126                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 127         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 128         if (!parent_folder)
 129                 return TRUE;
 130
 131         if (TNY_IS_ACCOUNT (parent_folder)) {
 132                 /* If it's the local account then do not dim */
 133                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 134                         dimmed = FALSE;
 135                 } else {
 136                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 137                         /* If it's POP then dim */
 138                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 139                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 140                         if (dimmed)
 141                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 142                 }
 143         } else {
 144                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 145
 146                 TnyFolderType types[3];
 147
 148                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 149                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 150                 types[2] = TNY_FOLDER_TYPE_SENT;
 151
 152                 /* Apply folder rules */
 153                 if (!dimmed) {
 154                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 155                         if (dimmed)
 156                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 157                 }
 158                 if (!dimmed) {
 159                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 160                         if (dimmed)
 161                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 162                 }
 163         }
 164         g_object_unref (parent_folder);
 165
 166         return dimmed;
 167 }
 168
 169 gboolean
 170 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 171 {
 172         ModestDimmingRule *rule = NULL;
 173         TnyFolderType types[5];
 174         gboolean dimmed = FALSE;
 175
 176         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 177         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 178         rule = MODEST_DIMMING_RULE (user_data);
 179
 180         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 181         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 182         types[2] = TNY_FOLDER_TYPE_SENT;
 183         types[3] = TNY_FOLDER_TYPE_INBOX;
 184         types[4] = TNY_FOLDER_TYPE_ROOT;
 185
 186
 187         /* Check dimmed rule */
 188         if (!dimmed) {
 189                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 190                 if (dimmed)
 191                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 192         }
 193         if (!dimmed) {
 194                 dimmed = _selected_folder_is_any_of_type (win, types, 5);
 195                 if (dimmed)
 196                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 197         }
 198         if (!dimmed) {
 199                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 200                 if (dimmed)
 201                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 202         }
 203         if (!dimmed) {
 204                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 205                 if (dimmed)
 206                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 207         }
 208
 209         return dimmed;
 210 }
 211
 212 gboolean
 213 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 214 {
 215         ModestDimmingRule *rule = NULL;
 216         gboolean dimmed = FALSE;
 217
 218         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 219         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 220         rule = MODEST_DIMMING_RULE (user_data);
 221
 222         /* Check dimmed rule */
 223         if (!dimmed) {
 224                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 225                 if (dimmed)
 226                         modest_dimming_rule_set_notification (rule, "");
 227         }
 228
 229         return dimmed;
 230
 231 }
 232
 233 gboolean
 234 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 235 {
 236         ModestDimmingRule *rule = NULL;
 237         TnyFolderType types[3];
 238         gboolean dimmed = FALSE;
 239
 240         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 241         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 242         rule = MODEST_DIMMING_RULE (user_data);
 243
 244         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 245         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 246         types[2] = TNY_FOLDER_TYPE_SENT;
 247
 248         /* Check dimmed rule */
 249         if (!dimmed) {
 250                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 251                 if (dimmed)
 252                         modest_dimming_rule_set_notification (rule, "");
 253         }
 254         if (!dimmed) {
 255                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 256                 if (dimmed)
 257                         modest_dimming_rule_set_notification (rule, "");
 258         }
 259         if (!dimmed) {
 260                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 261                 if (dimmed)
 262                         modest_dimming_rule_set_notification (rule, "");
 263         }
 264
 265         return dimmed;
 266 }
 267
 268 gboolean
 269 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 270 {
 271         ModestDimmingRule *rule = NULL;
 272         gboolean dimmed = FALSE;
 273
 274         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 275         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 276         rule = MODEST_DIMMING_RULE (user_data);
 277
 278         /* Check dimmed rule */
 279         if (!dimmed) {
 280                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 281         }
 282         if (!dimmed) {
 283                 dimmed = _marked_as_deleted (win);
 284                 if (dimmed)
 285                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 286         }
 287         if (!dimmed) {
 288                 dimmed = _selected_msg_sent_in_progress (win);
 289                 if (dimmed)
 290                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 291         }
 292
 293         return dimmed;
 294 }
 295
 296 gboolean
 297 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 298 {
 299         ModestDimmingRule *rule = NULL;
 300         gboolean dimmed = FALSE;
 301         TnyFolderType types[3];
 302
 303         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 304         rule = MODEST_DIMMING_RULE (user_data);
 305
 306         /* main window dimming rules */
 307         if (MODEST_IS_MAIN_WINDOW(win)) {
 308
 309                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 310                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 311                 types[2] = TNY_FOLDER_TYPE_ROOT;
 312
 313                 /* Check dimmed rule */
 314                 if (!dimmed) {
 315                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 316                         if (dimmed)
 317                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 318                 }
 319                 if (!dimmed) {
 320                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 321                         if (dimmed)
 322                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 323                 }
 324                 if (!dimmed) {
 325                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 326                 }
 327         /* msg view window dimming rules */
 328         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 329
 330                 /* Check dimmed rule */
 331                 if (!dimmed) {
 332                         dimmed = _transfer_mode_enabled (win);
 333                         if (dimmed)
 334                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 335                 }
 336                 if (!dimmed) {
 337                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 338                         if (dimmed)
 339                                 modest_dimming_rule_set_notification (rule, "");
 340                 }
 341         }
 342
 343         return dimmed;
 344 }
 345
 346
 347 gboolean
 348 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 349 {
 350         ModestDimmingRule *rule = NULL;
 351         gboolean dimmed = FALSE;
 352
 353         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 354         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 355         rule = MODEST_DIMMING_RULE (user_data);
 356
 357         /* Check dimmed rule */
 358         if (!dimmed) {
 359                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 360         }
 361         if (!dimmed) {
 362                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 363                 if (dimmed)
 364                         modest_dimming_rule_set_notification (rule, "");
 365         }
 366
 367         return dimmed;
 368 }
 369
 370 gboolean
 371 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 372 {
 373         gboolean dimmed = FALSE;
 374
 375         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 376
 377         /* Check dimmed rule */
 378         if (!dimmed)
 379                 dimmed = TRUE;
 380
 381         return dimmed;
 382 }
 383
 384 gboolean
 385 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 386 {
 387         ModestDimmingRule *rule = NULL;
 388         guint n_messages = 0;
 389         gboolean dimmed = FALSE;
 390
 391         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 392         rule = MODEST_DIMMING_RULE (user_data);
 393
 394         /* Check dimmed rule */
 395         if (MODEST_IS_MAIN_WINDOW (win)) {
 396                 if (!dimmed) {
 397                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 398                         if (dimmed)
 399                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 400                 }
 401                 if (!dimmed) {
 402                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 403                 }
 404                 if (!dimmed) {
 405                         dimmed = _already_opened_msg (win, &n_messages);
 406                         if (dimmed) {
 407                                 gchar *num = g_strdup_printf ("%d", n_messages);
 408                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 409 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 410                                 modest_dimming_rule_set_notification (rule, message);
 411                                 g_free(message);
 412                                 g_free(num);
 413                         }
 414                 }
 415                 if (!dimmed) {
 416                         dimmed = _marked_as_deleted (win);
 417                         if (dimmed)
 418                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 419                 }
 420                 if (!dimmed) {
 421                         dimmed = _selected_msg_sent_in_progress (win);
 422                         if (dimmed)
 423                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 424                 }
 425         }
 426         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 427                 if (!dimmed) {
 428                         dimmed = _transfer_mode_enabled (win);
 429                         if (dimmed)
 430                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 431                 }
 432                 if (!dimmed) {
 433                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 434                         if (dimmed) {
 435                                 gchar *num = g_strdup("1");
 436                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 437 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 438                                 modest_dimming_rule_set_notification (rule, message);
 439                                 g_free(message);
 440                                 g_free(num);
 441                         }
 442                 }
 443         }
 444
 445         return dimmed;
 446 }
 447
 448 gboolean
 449 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 450 {
 451         ModestDimmingRule *rule = NULL;
 452         GtkWidget *header_view = NULL;
 453         gboolean dimmed = FALSE;
 454
 455         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 456         rule = MODEST_DIMMING_RULE (user_data);
 457
 458         /* main window dimming rules */
 459         if (MODEST_IS_MAIN_WINDOW(win)) {
 460
 461                 /* Check dimmed rule */
 462                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 463                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 464
 465                 /* If the header view has the focus: */
 466                 if (header_view && gtk_widget_is_focus (header_view)) {
 467                         /* Check dimmed rule */
 468                         if (!dimmed)
 469                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 470                 }
 471                 else {
 472                         /* If the folder view has the focus: */
 473                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 474                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 475                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 476                                 TnyFolderStore *folder_store
 477                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 478                                 if (folder_store) {
 479                                         /* Only enable for folders, not accounts,
 480                                          * though the UI spec is not clear about that.
 481                                          * If we enable this for accounts then we must
 482                                          * add code to handle them in modest_ui_actions_on_details(). */
 483                                         if (!TNY_IS_FOLDER(folder_store)) {
 484                                                 dimmed = TRUE;
 485                                                 modest_dimming_rule_set_notification (rule, "");
 486                                         }
 487
 488                                         g_object_unref (folder_store);
 489                                 }
 490                         }
 491
 492                 }
 493
 494         /* msg view window dimming rules */
 495         } else {
 496
 497                 /* Check dimmed rule */
 498                 if (!dimmed) {
 499                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 500                         if (dimmed)
 501                                 modest_dimming_rule_set_notification (rule, "");
 502                 }
 503         }
 504
 505         return dimmed;
 506 }
 507
 508
 509 gboolean
 510 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 511 {
 512         ModestDimmingRule *rule = NULL;
 513         TnyHeaderFlags flags;
 514         gboolean dimmed = FALSE;
 515
 516         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 517         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 518         rule = MODEST_DIMMING_RULE (user_data);
 519
 520         flags = TNY_HEADER_FLAG_SEEN;
 521
 522         /* Check dimmed rule */
 523         if (!dimmed) {
 524                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 525         }
 526         if (!dimmed) {
 527                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 528                 if (dimmed)
 529                         modest_dimming_rule_set_notification (rule, "");
 530         }
 531
 532         return dimmed;
 533 }
 534
 535 gboolean
 536 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 537 {
 538         ModestDimmingRule *rule = NULL;
 539         TnyHeaderFlags flags;
 540         gboolean dimmed = FALSE;
 541
 542         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 543         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 544         rule = MODEST_DIMMING_RULE (user_data);
 545
 546         flags = TNY_HEADER_FLAG_SEEN;
 547
 548         /* Check dimmed rule */
 549         if (!dimmed)
 550                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 551         if (!dimmed) {
 552                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 553                 if (dimmed)
 554                         modest_dimming_rule_set_notification (rule, "");
 555         }
 556
 557         return dimmed;
 558 }
 559
 560 gboolean
 561 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 562 {
 563         ModestDimmingRule *rule = NULL;
 564         gboolean dimmed = FALSE;
 565
 566         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 567         rule = MODEST_DIMMING_RULE (user_data);
 568
 569         if (MODEST_IS_MAIN_WINDOW (win))
 570                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 571         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 572                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 573
 574         return dimmed;
 575 }
 576
 577
 578 gboolean
 579 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 580 {
 581         GtkWidget *folder_view = NULL;
 582         GtkWidget *header_view = NULL;
 583         ModestDimmingRule *rule = NULL;
 584         gboolean dimmed = FALSE;
 585
 586         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 587         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 588         rule = MODEST_DIMMING_RULE (user_data);
 589
 590         /* Get the folder view */
 591         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 592                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 593
 594         /* Get header view */
 595         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 596                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 597
 598         /* Check diming rules for folders and messages transfer  */
 599         if (!dimmed) {
 600                 if (!gtk_widget_is_focus (folder_view))
 601                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 602
 603         }
 604
 605         return dimmed;
 606 }
 607
 608 gboolean
 609 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 610 {
 611         ModestDimmingRule *rule = NULL;
 612         gboolean dimmed = FALSE;
 613
 614         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 615         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 616         rule = MODEST_DIMMING_RULE (user_data);
 617
 618         /* Check dimmed rule */
 619         if (!dimmed) {
 620                 dimmed = _transfer_mode_enabled (win);
 621                 if (dimmed)
 622                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 623         }
 624         if (!dimmed) {
 625                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 626                 if (dimmed)
 627                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 628         }
 629
 630         return dimmed;
 631 }
 632
 633 gboolean
 634 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 635 {
 636         ModestDimmingRule *rule = NULL;
 637         gboolean dimmed = FALSE;
 638
 639         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 640         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 641         rule = MODEST_DIMMING_RULE (user_data);
 642
 643         /* Check dimmed rule */
 644         if (!dimmed) {
 645                 dimmed = _transfer_mode_enabled (win);
 646                 if (dimmed)
 647                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 648         }
 649
 650         return dimmed;
 651 }
 652
 653 gboolean
 654 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 655 {
 656         ModestDimmingRule *rule = NULL;
 657         TnyFolderType types[3];
 658         gboolean dimmed = FALSE;
 659
 660         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 661         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 662         rule = MODEST_DIMMING_RULE (user_data);
 663
 664         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 665         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 666         types[2] = TNY_FOLDER_TYPE_SENT;
 667
 668         /* Check dimmed rule */
 669         if (!dimmed) {
 670                 dimmed = _clipboard_is_empty (win);
 671                 if (dimmed)
 672                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 673         }
 674         if (!dimmed) {
 675                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 676                 if (dimmed)
 677                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 678         }
 679         if (!dimmed) {
 680                 dimmed = _selected_folder_is_same_as_source (win);
 681                 if (dimmed)
 682                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 683         }
 684
 685         return dimmed;
 686 }
 687
 688
 689 gboolean
 690 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 691 {
 692         ModestDimmingRule *rule = NULL;
 693         gboolean dimmed = FALSE;
 694
 695         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 696         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 697         rule = MODEST_DIMMING_RULE (user_data);
 698
 699         /* Check dimmed rule */
 700         if (!dimmed) {
 701                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 702                 if (dimmed)
 703                         modest_dimming_rule_set_notification (rule, "");
 704         }
 705
 706         return dimmed;
 707 }
 708
 709 gboolean
 710 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 711 {
 712         ModestDimmingRule *rule = NULL;
 713         gboolean dimmed = FALSE;
 714
 715         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 716         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 717         rule = MODEST_DIMMING_RULE (user_data);
 718
 719         /* Check dimmed rule */
 720         if (!dimmed)
 721                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 722
 723         return dimmed;
 724 }
 725
 726 gboolean
 727 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 728 {
 729         ModestDimmingRule *rule = NULL;
 730         gboolean dimmed = FALSE;
 731
 732         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 733         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 734         rule = MODEST_DIMMING_RULE (user_data);
 735
 736         /* Check dimmed rule */
 737         if (!dimmed)
 738                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 739
 740         return dimmed;
 741 }
 742
 743 gboolean
 744 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 745 {
 746         ModestDimmingRule *rule = NULL;
 747         gboolean dimmed = FALSE;
 748
 749         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 750         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 751         rule = MODEST_DIMMING_RULE (user_data);
 752
 753         /* Check dimmed rule */
 754         if (!dimmed) {
 755                 dimmed = _purged_attach_selected (win);
 756                 if (dimmed)
 757                         modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
 758         }
 759
 760         if (!dimmed) {
 761                 dimmed = _invalid_attachment_for_purge (win, rule);
 762         }
 763
 764
 765         return dimmed;
 766 }
 767
 768 gboolean
 769 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 770 {
 771         ModestDimmingRule *rule = NULL;
 772         gboolean dimmed = FALSE;
 773
 774         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 775         rule = MODEST_DIMMING_RULE (user_data);
 776
 777         /* Check dimmed rule */
 778         if (!dimmed) {
 779                 dimmed = _clipboard_is_empty (win);
 780                 if (dimmed)
 781                         modest_dimming_rule_set_notification (rule, "");
 782         }
 783
 784         return dimmed;
 785 }
 786
 787 gboolean
 788 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 789 {
 790         ModestDimmingRule *rule = NULL;
 791         gboolean dimmed = FALSE;
 792
 793         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 794         rule = MODEST_DIMMING_RULE (user_data);
 795
 796         /* Check common dimming rules */
 797         if (!dimmed) {
 798                 dimmed = _invalid_clipboard_selected (win, rule);
 799         }
 800
 801         /* Check window specific dimming rules */
 802         if (MODEST_IS_MAIN_WINDOW (win)) {
 803                 if (!dimmed) {
 804                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 805                         if (dimmed)
 806                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 807                 }
 808                 if (!dimmed) {
 809                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 810                         if (dimmed)
 811                                 modest_dimming_rule_set_notification (rule, "");
 812                 }
 813                 if (!dimmed) {
 814                         dimmed = _selected_msg_sent_in_progress (win);
 815                         if (dimmed)
 816                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 817                 }
 818         }
 819
 820         return dimmed;
 821 }
 822
 823 gboolean
 824 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 825 {
 826         ModestDimmingRule *rule = NULL;
 827         gboolean dimmed = FALSE;
 828
 829         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 830         rule = MODEST_DIMMING_RULE (user_data);
 831
 832         /* Check common dimming rules */
 833         if (!dimmed) {
 834                 dimmed = _invalid_clipboard_selected (win, rule);
 835         }
 836
 837         /* Check window specific dimming rules */
 838         if (MODEST_IS_MAIN_WINDOW (win)) {
 839                 if (!dimmed) {
 840                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 841                         if (dimmed)
 842                                 modest_dimming_rule_set_notification (rule, "");
 843                 }
 844                 if (!dimmed) {
 845                         dimmed = _selected_msg_sent_in_progress (win);
 846                         if (dimmed)
 847                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 848                 }
 849         }
 850
 851         return dimmed;
 852 }
 853
 854 gboolean
 855 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 856 {
 857         ModestDimmingRule *rule = NULL;
 858         gboolean dimmed = FALSE;
 859
 860         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 861         rule = MODEST_DIMMING_RULE (user_data);
 862
 863         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 864
 865         /* Check dimmed rule */
 866         if (!dimmed) {
 867                 dimmed = _transfer_mode_enabled (win);
 868                 if (dimmed)
 869                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 870         }
 871         if (!dimmed) {
 872                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 873                 if (dimmed)
 874                         modest_dimming_rule_set_notification (rule, "");
 875         }
 876
 877         return dimmed;
 878 }
 879
 880 gboolean
 881 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 882 {
 883         ModestDimmingRule *rule = NULL;
 884         gboolean dimmed = FALSE;
 885
 886         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 887         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 888         rule = MODEST_DIMMING_RULE (user_data);
 889
 890         /* Check dimmed rule */
 891         if (!dimmed) {
 892                 dimmed = _transfer_mode_enabled (win);
 893                 if (dimmed)
 894                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 895         }
 896         if (!dimmed) {
 897                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 898                 if (dimmed)
 899                         modest_dimming_rule_set_notification (rule, "");
 900         }
 901
 902         return dimmed;
 903 }
 904
 905
 906 gboolean
 907 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 908 {
 909         const gboolean dimmed =
 910                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 911                         TRUE);
 912
 913         return dimmed;
 914 }
 915
 916 gboolean
 917 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
 918 {
 919         gboolean dimmed = FALSE;
 920
 921         /* Check dimmed rule */
 922         if (!dimmed)
 923                 dimmed = !_sending_in_progress (win);
 924
 925         return dimmed;
 926 }
 927
 928 gboolean
 929 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
 930 {
 931         ModestDimmingRule *rule = NULL;
 932         gboolean dimmed = FALSE;
 933
 934         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 935         rule = MODEST_DIMMING_RULE (user_data);
 936
 937         /* Check dimmed rule */
 938         if (!dimmed) {
 939                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 940                                                           TRUE);
 941                 if (dimmed)
 942                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 943         }
 944
 945         return dimmed;
 946 }
 947
 948 gboolean
 949 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
 950 {
 951         ModestDimmingRule *rule = NULL;
 952         gboolean dimmed = FALSE;
 953
 954         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 955         rule = MODEST_DIMMING_RULE (user_data);
 956
 957         /* Check dimmed rule */
 958         if (!dimmed) {
 959                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
 960                 gchar *selection = NULL;
 961                 selection = gtk_clipboard_wait_for_text (clipboard);
 962
 963                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
 964         }
 965
 966         return dimmed;
 967 }
 968
 969 /* *********************** static utility functions ******************** */
 970
 971 static gboolean
 972 _marked_as_deleted (ModestWindow *win)
 973 {
 974         gboolean result = FALSE;
 975         TnyHeaderFlags flags;
 976
 977         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 978
 979         flags = TNY_HEADER_FLAG_DELETED;
 980
 981         /* Check dimmed rule */
 982         result = _selected_msg_marked_as (win, flags, FALSE);
 983
 984         return result;
 985 }
 986
 987 static gboolean
 988 _selected_folder_not_writeable (ModestMainWindow *win)
 989 {
 990         GtkWidget *folder_view = NULL;
 991         TnyFolderStore *parent_folder = NULL;
 992         ModestTnyFolderRules rules;
 993         gboolean result = FALSE;
 994
 995         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 996
 997         /* Get folder view */
 998         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 999                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1000         /* If no folder view, always dimmed */
1001         if (!folder_view)
1002                 return TRUE;
1003
1004         /* Get selected folder as parent of new folder to create */
1005         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1006         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1007                 if (parent_folder)
1008                         g_object_unref (parent_folder);
1009                 return TRUE;
1010         }
1011
1012         /* Check dimmed rule */
1013         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1014         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1015
1016         /* free */
1017         g_object_unref (parent_folder);
1018
1019         return result;
1020 }
1021
1022 static gboolean
1023 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1024 {
1025         TnyFolderType types[2];
1026         gboolean result = FALSE;
1027
1028         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1029
1030         types[0] = TNY_FOLDER_TYPE_ROOT;
1031         types[1] = TNY_FOLDER_TYPE_INBOX;
1032
1033         /* Check folder type */
1034         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1035
1036         /* Check pop and MMC accounts */
1037         if (!result) {
1038                 result = _selected_folder_is_MMC_or_POP_root (win);
1039         }
1040
1041         return result;
1042 }
1043
1044
1045 static gboolean
1046 _selected_folder_is_root (ModestMainWindow *win)
1047 {
1048         TnyFolderType types[1];
1049         gboolean result = FALSE;
1050
1051         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1052
1053         types[0] = TNY_FOLDER_TYPE_ROOT;
1054
1055         /* Check folder type */
1056         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1057
1058         /* Check pop and MMC accounts */
1059         if (!result) {
1060                 result = _selected_folder_is_MMC_or_POP_root (win);
1061         }
1062
1063         return result;
1064 }
1065
1066 static gboolean
1067 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1068 {
1069         GtkWidget *folder_view = NULL;
1070         TnyFolderStore *parent_folder = NULL;
1071         gboolean result = FALSE;
1072
1073         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1074                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1075         /* Get selected folder as parent of new folder to create */
1076         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1077         if (!parent_folder)
1078                 return TRUE;
1079
1080         if (TNY_IS_ACCOUNT (parent_folder)) {
1081                 /* If it's the local account then do not dim */
1082                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1083                         result = FALSE;
1084                 } else {
1085                                 /* If it's the MMC root folder then dim it */
1086                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1087                                         result = TRUE;
1088                         } else {
1089                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1090                                 /* If it's POP then dim */
1091                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1092                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1093                         }
1094                 }
1095         }
1096         g_object_unref (parent_folder);
1097
1098         return result;
1099 }
1100
1101
1102
1103
1104 static gboolean
1105 _selected_folder_is_empty (ModestMainWindow *win)
1106 {
1107         GtkWidget *folder_view = NULL;
1108         TnyFolderStore *folder = NULL;
1109         gboolean result = FALSE;
1110
1111         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1112
1113         /* Get folder view */
1114         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1115                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1116         /* If no folder view, always dimmed */
1117         if (!folder_view)
1118                 return TRUE;
1119
1120         /* Get selected folder as parent of new folder to create */
1121         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1122         if (!(folder && TNY_IS_FOLDER(folder))) {
1123                 if (folder)
1124                         g_object_unref (folder);
1125                 return TRUE;
1126         }
1127
1128         /* Check folder type */
1129         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1130
1131         /* free */
1132         g_object_unref (folder);
1133
1134         return result;
1135 }
1136
1137 static gboolean
1138 _selected_folder_is_same_as_source (ModestWindow *win)
1139 {
1140         ModestEmailClipboard *clipboard = NULL;
1141         GtkWidget *folder_view = NULL;
1142         TnyFolderStore *folder = NULL;
1143         gboolean result = FALSE;
1144
1145         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1146
1147         /* Get folder view */
1148         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1149                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1150         if (!folder_view)
1151                 return FALSE;
1152
1153         /* Get selected folder as destination folder */
1154         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1155         if (!(folder && TNY_IS_FOLDER(folder))) {
1156                 result = FALSE;
1157                 goto frees;
1158         }
1159
1160         /* Check clipboard is cleared */
1161         clipboard = modest_runtime_get_email_clipboard ();
1162         if (modest_email_clipboard_cleared (clipboard)) {
1163                 result = FALSE;
1164                 goto frees;
1165         }
1166
1167         /* Check source folder */
1168         result = modest_email_clipboard_check_source_folder (clipboard,
1169                                                              (const TnyFolder *) folder);
1170
1171         /* Free */
1172  frees:
1173         g_object_unref (folder);
1174
1175         return result;
1176 }
1177
1178 static gboolean
1179 _selected_folder_is_any_of_type (ModestWindow *win,
1180                                  TnyFolderType types[],
1181                                  guint ntypes)
1182 {
1183         GtkWidget *folder_view = NULL;
1184         TnyFolderStore *folder = NULL;
1185         TnyFolderType folder_type;
1186         guint i=0;
1187         gboolean result = FALSE;
1188
1189         /*Get curent folder */
1190         if (MODEST_IS_MAIN_WINDOW(win)) {
1191
1192                 /* Get folder view */
1193                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1194                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1195                 /* If no folder view, always dimmed */
1196                 if (!folder_view)
1197                         return TRUE;
1198
1199                 /* Get selected folder as parent of new folder to create */
1200                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1201
1202                 if (!(folder && TNY_IS_FOLDER(folder))) {
1203                         if (folder)
1204                                 g_object_unref (folder);
1205                         return TRUE;
1206                 }
1207
1208                 /* Check folder type */
1209                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1210         }
1211         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1212                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1213                 for (i=0; i < ntypes; i++) {
1214                         result = result || folder_type == types[i];
1215                 }
1216         }
1217
1218
1219         /* free */
1220         g_object_unref (folder);
1221
1222         return result;
1223 }
1224
1225 static gboolean
1226 _folder_is_any_of_type (TnyFolder *folder,
1227                         TnyFolderType types[],
1228                         guint ntypes)
1229 {
1230         TnyFolderType folder_type;
1231         gboolean result = FALSE;
1232         guint i;
1233
1234         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1235
1236         /* Get folder type */
1237         if (modest_tny_folder_is_local_folder (folder))
1238                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1239         else
1240                 folder_type = modest_tny_folder_guess_folder_type (folder);
1241
1242         /* Check foler type */
1243         for (i=0; i < ntypes; i++) {
1244                 result = result || folder_type == types[i];
1245         }
1246
1247         return result;
1248 }
1249
1250 static gboolean
1251 _selected_folder_is_snd_level (ModestMainWindow *win)
1252 {
1253         GtkWidget *folder_view = NULL;
1254         GtkTreeSelection *sel = NULL;
1255         GtkTreeModel *model = NULL;
1256         GtkTreePath *path = NULL;
1257         GtkTreeIter iter;
1258         TnyFolderStore *folder = NULL;
1259         gboolean result = FALSE;
1260
1261         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1262
1263         /*Get curent folder */
1264         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1265                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1266         /* If no folder view, always dimmed */
1267         if (!folder_view)
1268                 goto frees;
1269
1270         /* Get selected folder as parent of new folder to create */
1271         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1272         if (!(folder && TNY_IS_FOLDER(folder))) {
1273                 goto frees;
1274         }
1275
1276         /* Check folder level */
1277         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1278         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1279                 goto frees;
1280         path = gtk_tree_model_get_path (model, &iter);
1281         result = gtk_tree_path_get_depth (path) > 2;
1282
1283  frees:
1284         if (folder != NULL)
1285                 g_object_unref (folder);
1286         if (path != NULL)
1287                 gtk_tree_path_free (path);
1288
1289         return result;
1290
1291 }
1292
1293 static gboolean
1294 _clipboard_is_empty (ModestWindow *win)
1295 {
1296         gboolean result = FALSE;
1297
1298         if (MODEST_IS_MAIN_WINDOW (win)) {
1299                 ModestEmailClipboard *clipboard = NULL;
1300                 clipboard = modest_runtime_get_email_clipboard ();
1301                 if (modest_email_clipboard_cleared (clipboard))
1302                  result = TRUE;
1303         }
1304
1305         return result;
1306 }
1307
1308 static gboolean
1309 _invalid_clipboard_selected (ModestWindow *win,
1310                        ModestDimmingRule *rule)
1311 {
1312         gboolean result = FALSE;
1313
1314         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1315                 GtkClipboard *clipboard = NULL;
1316                 gchar *selection = NULL;
1317                 GtkWidget *focused = NULL;
1318
1319                 /* Get clipboard selection*/
1320                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1321                 selection = gtk_clipboard_wait_for_text (clipboard);
1322
1323                 /* Get focuesed widget */
1324                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1325
1326                 /* Check dimming */
1327                 result = ((selection == NULL) ||
1328                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1329
1330                 if (result)
1331                         modest_dimming_rule_set_notification (rule, _(""));
1332         }
1333         else if (MODEST_IS_MAIN_WINDOW (win)) {
1334                 GtkWidget *header_view = NULL;
1335
1336                 /* Get header view to check selected messages */
1337                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1338                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1339
1340                 /* Check dimming */
1341                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1342                 if (result)
1343                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1344         }
1345
1346         return result;
1347 }
1348
1349
1350 static gboolean
1351 _invalid_attach_selected (ModestWindow *win,
1352                           gboolean unique,
1353                           gboolean for_view,
1354                           ModestDimmingRule *rule)
1355 {
1356         GList *attachments, *node;
1357         gint n_selected;
1358         TnyHeaderFlags flags;
1359         gboolean nested_attachments = FALSE;
1360         gboolean selected_messages = FALSE;
1361         gboolean result = FALSE;
1362
1363         if (MODEST_IS_MAIN_WINDOW (win)) {
1364                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1365                 if (!result)
1366                         result = _selected_msg_marked_as (win, flags, TRUE);
1367         }
1368         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1369
1370                 /* Get selected atachments */
1371                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1372                 n_selected = g_list_length (attachments);
1373
1374                 /* Check unique */
1375                 if (!result) {
1376                         if (unique)
1377                                 result = n_selected != 1;
1378                         else
1379
1380                                 result = n_selected < 1;
1381                 }
1382
1383                 /* Check attached type (view operation not required) */
1384                 if (!result && !for_view)  {
1385                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1386                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1387                                 TnyList *nested_list = tny_simple_list_new ();
1388                                 if (TNY_IS_MSG (mime_part)) {
1389                                         selected_messages = TRUE;
1390                                         result = TRUE;
1391                                 }
1392                                 tny_mime_part_get_parts (mime_part, nested_list);
1393                                 if (tny_list_get_length (nested_list) > 0) {
1394                                 nested_attachments = TRUE;
1395                                 result = TRUE;
1396                                 }
1397                                 g_object_unref (nested_list);
1398                         }
1399                 }
1400
1401                 /* Set notifications */
1402                 if (result && rule != NULL) {
1403                         if (selected_messages) {
1404                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1405                         } else if (nested_attachments) {
1406                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1407                         } else if (n_selected == 0) {
1408                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1409                         } else if (unique) {
1410                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1411                         }
1412                 }
1413
1414                 /* Free */
1415                 g_list_free (attachments);
1416         }
1417
1418         return result;
1419 }
1420
1421 static gboolean
1422 _purged_attach_selected (ModestWindow *win)
1423 {
1424         GList *attachments, *node;
1425         gint n_selected;
1426         gboolean result = FALSE;
1427
1428         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1429
1430                 /* Get selected atachments */
1431                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1432                 n_selected = g_list_length (attachments);
1433
1434                 for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1435                         TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1436                         if (tny_mime_part_is_purged (mime_part)) {
1437                                 result = TRUE;
1438                                 break;
1439                         }
1440                 }
1441
1442                 /* Free */
1443                 g_list_free (attachments);
1444         }
1445
1446         return result;
1447 }
1448
1449 static gboolean
1450 _invalid_msg_selected (ModestMainWindow *win,
1451                        gboolean unique,
1452                        ModestDimmingRule *rule)
1453 {
1454         GtkWidget *header_view = NULL;
1455         GtkWidget *folder_view = NULL;
1456         gboolean selected_headers = FALSE;
1457         gboolean result = FALSE;
1458
1459         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1460         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1461
1462         /* Get header view to check selected messages */
1463         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1464                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1465
1466         /* Get folder view to check focus */
1467         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1468                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1469
1470         /* Get selected headers */
1471         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1472
1473         /* Check dimmed rule (TODO: check focus on widgets */
1474         if (!result) {
1475                 result = ((!selected_headers) ||
1476                           (gtk_widget_is_focus (folder_view)));
1477                 if (result)
1478                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1479         }
1480         if (!result && unique) {
1481                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1482                 if (result)
1483                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1484         }
1485
1486         return result;
1487 }
1488
1489 static gboolean
1490 _already_opened_msg (ModestWindow *win,
1491                      guint *n_messages)
1492 {
1493         ModestWindow *window = NULL;
1494         ModestWindowMgr *mgr = NULL;
1495         GtkWidget *header_view = NULL;
1496         TnyList *selected_headers = NULL;
1497         TnyIterator *iter = NULL;
1498         TnyHeader *header = NULL;
1499         gboolean result = TRUE;
1500
1501         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1502
1503         /* Get header view to check selected messages */
1504         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1505                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1506
1507
1508         /* Check no selection */
1509         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1510             return FALSE;
1511
1512         /* Get selected headers */
1513         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1514         if (selected_headers == NULL)
1515                 return FALSE;
1516
1517         *n_messages = tny_list_get_length (selected_headers);
1518
1519         /* Check dimmed rule (TODO: check focus on widgets */
1520         mgr = modest_runtime_get_window_mgr ();
1521         iter = tny_list_create_iterator (selected_headers);
1522         while (!tny_iterator_is_done (iter) && result) {
1523                 header = TNY_HEADER (tny_iterator_get_current (iter));
1524                 window = modest_window_mgr_find_window_by_header (mgr, header);
1525                 result = result && (window != NULL);
1526
1527                 g_object_unref (header);
1528                 tny_iterator_next (iter);
1529         }
1530
1531         /* free */
1532         if (selected_headers != NULL)
1533                 g_object_unref (selected_headers);
1534         if (iter != NULL)
1535                 g_object_unref (iter);
1536
1537         return result;
1538 }
1539
1540 static gboolean
1541 _selected_msg_marked_as (ModestWindow *win,
1542                          TnyHeaderFlags mask,
1543                          gboolean opposite)
1544 {
1545         GtkWidget *header_view = NULL;
1546         TnyList *selected_headers = NULL;
1547         TnyIterator *iter = NULL;
1548         TnyHeader *header = NULL;
1549         TnyHeaderFlags flags;
1550         gboolean result = FALSE;
1551
1552         /* Get header view to check selected messages */
1553         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1554                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1555
1556         /* Check no selection */
1557         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1558             return TRUE;
1559
1560         /* Get selected headers */
1561         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1562         if (selected_headers == NULL)
1563                 return TRUE;
1564
1565         /* Call the function for each header */
1566         iter = tny_list_create_iterator (selected_headers);
1567         while (!tny_iterator_is_done (iter) && !result) {
1568                 header = TNY_HEADER (tny_iterator_get_current (iter));
1569
1570                 flags = tny_header_get_flags (header);
1571                 if (opposite)
1572                         result = (flags & mask) == 0;
1573                 else
1574                         result = (flags & mask) != 0;
1575
1576                 g_object_unref (header);
1577                 tny_iterator_next (iter);
1578         }
1579
1580         /* free */
1581         if (selected_headers != NULL)
1582                 g_object_unref (selected_headers);
1583         if (iter != NULL)
1584                 g_object_unref (iter);
1585
1586         return result;
1587 }
1588
1589 static gboolean
1590 _msg_download_in_progress (ModestMsgViewWindow *win)
1591 {
1592         gboolean result = FALSE;
1593
1594         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1595
1596         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1597
1598         return result;
1599 }
1600
1601 static gboolean
1602 _msg_download_completed (ModestMainWindow *win)
1603 {
1604         GtkWidget *header_view = NULL;
1605         TnyList *selected_headers = NULL;
1606         TnyIterator *iter = NULL;
1607         TnyHeader *header = NULL;
1608         TnyHeaderFlags flags;
1609         gboolean result = FALSE;
1610
1611         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1612
1613
1614         /* Get header view to check selected messages */
1615         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1616                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1617
1618         /* Check no selection */
1619         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1620             return TRUE;
1621
1622         /* Get selected headers */
1623         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1624         if (selected_headers == NULL)
1625                 return TRUE;
1626
1627         /* Check dimmed rule  */
1628         result = TRUE;
1629         iter = tny_list_create_iterator (selected_headers);
1630         while (!tny_iterator_is_done (iter) && result) {
1631                 header = TNY_HEADER (tny_iterator_get_current (iter));
1632
1633                 flags = tny_header_get_flags (header);
1634                 /* TODO: is this the right flag?, it seems that some
1635                    headers that have been previously downloaded do not
1636                    come with it */
1637                 result = (flags & TNY_HEADER_FLAG_CACHED);
1638
1639                 g_object_unref (header);
1640                 tny_iterator_next (iter);
1641         }
1642
1643         g_object_unref (iter);
1644
1645         return result;
1646 }
1647
1648 static gboolean
1649 _selected_msg_sent_in_progress (ModestWindow *win)
1650 {
1651         ModestTnySendQueue *send_queue = NULL;
1652         GtkWidget *header_view = NULL;
1653         ModestTnyAccountStore *acc_store = NULL;
1654         TnyAccount *account = NULL;
1655         TnyList *header_list = NULL;
1656         TnyIterator *iter = NULL;
1657         TnyHeader *header = NULL;
1658         const gchar *account_name = NULL;
1659         gboolean result = FALSE;
1660         gchar *id = NULL;
1661
1662         /* Get transport account */
1663         acc_store = modest_runtime_get_account_store();
1664         account_name = modest_window_get_active_account (win);
1665
1666         /* If no account defined, this action must be always dimmed  */
1667         if (account_name == NULL) return FALSE;
1668         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1669         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1670
1671         /* Get send queue for current ransport account */
1672         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1673         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1674
1675         if (MODEST_IS_MAIN_WINDOW(win)) {
1676
1677                 /* Get header view to check selected messages */
1678                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1679                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1680
1681                 /* Check no selection */
1682                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1683                     return FALSE;
1684
1685                 /* Get selected headers */
1686                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1687
1688                 /* Get message header */
1689                 if (!header_list) return FALSE;
1690                 iter = tny_list_create_iterator (header_list);
1691                 header = TNY_HEADER (tny_iterator_get_current (iter));
1692
1693                 /* Get message id */
1694                 id = g_strdup(tny_header_get_message_id (header));
1695
1696         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1697
1698                 /* Get message header */
1699                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1700
1701                 /* Get message id */
1702                 id = g_strdup(tny_header_get_message_id (header));
1703         }
1704
1705         /* Check if msg id is being processed inside send queue */
1706         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1707
1708         /* Free */
1709         g_free(id);
1710         g_object_unref (header);
1711         g_object_unref(header_list);
1712         g_object_unref(iter);
1713
1714         return result;
1715 }
1716
1717
1718 static gboolean
1719 _sending_in_progress (ModestWindow *win)
1720 {
1721         ModestTnySendQueue *send_queue = NULL;
1722         ModestTnyAccountStore *acc_store = NULL;
1723         TnyAccount *account = NULL;
1724         const gchar *account_name = NULL;
1725         gboolean result = FALSE;
1726
1727         /* Get transport account */
1728         acc_store = modest_runtime_get_account_store();
1729         account_name = modest_window_get_active_account (win);
1730
1731         /* If no account defined, this action must be always dimmed  */
1732         if (account_name == NULL) return FALSE;
1733         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1734         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1735
1736         /* Get send queue for current ransport account */
1737         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1738         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1739
1740         /* Check if send queue is perfimring any send operation */
1741         result = modest_tny_send_queue_sending_in_progress (send_queue);
1742
1743         return result;
1744 }
1745
1746 static gboolean
1747 _invalid_attachment_for_purge (ModestWindow *win,
1748                                ModestDimmingRule *rule)
1749 {
1750         TnyMsg *msg = NULL;
1751         TnyFolder *folder = NULL;
1752         TnyAccount *account = NULL;
1753         gboolean result = FALSE;
1754
1755         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1756
1757                 /* Get folder and account of message */
1758                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1759                 g_return_val_if_fail(msg != NULL, TRUE);
1760                 folder = tny_msg_get_folder (msg);
1761                 if (folder == NULL) {
1762                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1763                         goto frees;
1764                 }
1765                 account = modest_tny_folder_get_account (folder);
1766                 if (account == NULL) goto frees;
1767
1768                 /* Check account */
1769                 if (!modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1770                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1771                         /* If it's POP then dim */
1772                         if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1773                             MODEST_PROTOCOL_STORE_POP) {
1774                                 GList *attachments;
1775                                 gint n_selected;
1776                                 result = TRUE;
1777                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1778                                 n_selected = g_list_length (attachments);
1779                                 g_list_free (attachments);
1780
1781                                 modest_dimming_rule_set_notification (rule,
1782                                                                       ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1783                                                                                 "mail_ib_unable_to_pure_attach_pop_mail_plural",
1784                                                                                 n_selected));
1785                         }
1786                 }
1787         }
1788
1789  frees:
1790         if (msg != NULL)
1791                 g_object_unref (msg);
1792         if (folder != NULL)
1793                 g_object_unref (folder);
1794         if (account != NULL)
1795                 g_object_unref (account);
1796
1797         return result;
1798 }
1799
1800 static gboolean
1801 _transfer_mode_enabled (ModestWindow *win)
1802 {
1803         gboolean result = FALSE;
1804
1805         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1806
1807         /* Check dimming */
1808         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1809
1810         return result;
1811 }