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