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