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