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, gboolean all, ModestDimmingRule *rule);
  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_folder_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 (ModestWindow *win, gpointer user_data)
 171 {
 172         ModestDimmingRule *rule = NULL;
 173         GtkWidget *folder_view = NULL;
 174         GtkWidget *header_view = NULL;
 175         gboolean dimmed = FALSE;
 176
 177         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 178         rule = MODEST_DIMMING_RULE (user_data);
 179
 180         if (MODEST_IS_MAIN_WINDOW (win)) {
 181                 /* Get the folder view */
 182                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 183                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 184
 185                 /* Get header view */
 186                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 187                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 188
 189                 if (header_view && gtk_widget_is_focus (header_view))
 190                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 191
 192                 if (folder_view && gtk_widget_is_focus (folder_view))
 193                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 194
 195                 if (header_view && folder_view &&
 196                     !gtk_widget_is_focus (header_view) &&
 197                     !gtk_widget_is_focus (folder_view)) {
 198                         dimmed = TRUE;
 199                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 200                 }
 201         } else {
 202                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 203         }
 204
 205         return dimmed;
 206 }
 207
 208
 209
 210 gboolean
 211 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 212 {
 213         ModestDimmingRule *rule = NULL;
 214         TnyFolderType types[6];
 215         gboolean dimmed = FALSE;
 216
 217         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 218         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 219         rule = MODEST_DIMMING_RULE (user_data);
 220
 221         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 222         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 223         types[2] = TNY_FOLDER_TYPE_SENT;
 224         types[3] = TNY_FOLDER_TYPE_INBOX;
 225         types[4] = TNY_FOLDER_TYPE_ROOT;
 226         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 227
 228
 229         /* Check dimmed rule */
 230         if (!dimmed) {
 231                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 232                 if (dimmed)
 233                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 234         }
 235         if (!dimmed) {
 236                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 237                 if (dimmed)
 238                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 239         }
 240         if (!dimmed) {
 241                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 242                 if (dimmed)
 243                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 244         }
 245         if (!dimmed) {
 246                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 247                 if (dimmed)
 248                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 249         }
 250
 251         return dimmed;
 252 }
 253
 254 gboolean
 255 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 256 {
 257         ModestDimmingRule *rule = NULL;
 258         gboolean dimmed = FALSE;
 259
 260         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 261         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 262         rule = MODEST_DIMMING_RULE (user_data);
 263
 264         /* Check dimmed rule */
 265         if (!dimmed) {
 266                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 267                 if (dimmed)
 268                         modest_dimming_rule_set_notification (rule, "");
 269         }
 270
 271         return dimmed;
 272
 273 }
 274
 275 gboolean
 276 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 277 {
 278         ModestDimmingRule *rule = NULL;
 279         TnyFolderType types[3];
 280         gboolean dimmed = FALSE;
 281
 282         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 283         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 284         rule = MODEST_DIMMING_RULE (user_data);
 285
 286         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 287         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 288         types[2] = TNY_FOLDER_TYPE_SENT;
 289
 290         /* Check dimmed rule */
 291         if (!dimmed) {
 292                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 293                 if (dimmed)
 294                         modest_dimming_rule_set_notification (rule, "");
 295         }
 296         if (!dimmed) {
 297                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 298                 if (dimmed)
 299                         modest_dimming_rule_set_notification (rule, "");
 300         }
 301         if (!dimmed) {
 302                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 303                 if (dimmed)
 304                         modest_dimming_rule_set_notification (rule, "");
 305         }
 306
 307         return dimmed;
 308 }
 309
 310 gboolean
 311 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 312 {
 313         ModestDimmingRule *rule = NULL;
 314         gboolean dimmed = FALSE;
 315
 316         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 317         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 318         rule = MODEST_DIMMING_RULE (user_data);
 319
 320         /* Check dimmed rule */
 321         if (!dimmed) {
 322                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 323         }
 324         if (!dimmed) {
 325                 dimmed = _marked_as_deleted (win);
 326                 if (dimmed)
 327                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 328         }
 329         if (!dimmed) {
 330                 dimmed = _selected_msg_sent_in_progress (win);
 331                 if (dimmed)
 332                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 333         }
 334
 335         return dimmed;
 336 }
 337
 338 gboolean
 339 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 340 {
 341         ModestDimmingRule *rule = NULL;
 342         gboolean dimmed = FALSE;
 343         TnyFolderType types[3];
 344
 345         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 346         rule = MODEST_DIMMING_RULE (user_data);
 347
 348         /* main window dimming rules */
 349         if (MODEST_IS_MAIN_WINDOW(win)) {
 350
 351                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 352                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 353                 types[2] = TNY_FOLDER_TYPE_ROOT;
 354
 355                 /* Check dimmed rule */
 356                 if (!dimmed) {
 357                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 358                         if (dimmed)
 359                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 360                 }
 361                 if (!dimmed) {
 362                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 363                         if (dimmed)
 364                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 365                 }
 366                 if (!dimmed) {
 367                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 368                 }
 369         /* msg view window dimming rules */
 370         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 371
 372                 /* Check dimmed rule */
 373                 if (!dimmed) {
 374                         dimmed = _transfer_mode_enabled (win);
 375                         if (dimmed)
 376                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 377                 }
 378                 if (!dimmed) {
 379                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 380                         if (dimmed)
 381                                 modest_dimming_rule_set_notification (rule, "");
 382                 }
 383         }
 384
 385         return dimmed;
 386 }
 387
 388
 389 gboolean
 390 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 391 {
 392         ModestDimmingRule *rule = NULL;
 393         gboolean dimmed = FALSE;
 394
 395         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 396         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 397         rule = MODEST_DIMMING_RULE (user_data);
 398
 399         /* Check dimmed rule */
 400         if (!dimmed) {
 401                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 402         }
 403         if (!dimmed) {
 404                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 405                 if (dimmed)
 406                         modest_dimming_rule_set_notification (rule, "");
 407         }
 408
 409         return dimmed;
 410 }
 411
 412 gboolean
 413 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 414 {
 415         gboolean dimmed = FALSE;
 416
 417         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 418
 419         /* Check dimmed rule */
 420         if (!dimmed)
 421                 dimmed = TRUE;
 422
 423         return dimmed;
 424 }
 425
 426 gboolean
 427 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 428 {
 429         ModestDimmingRule *rule = NULL;
 430         guint n_messages = 0;
 431         gboolean dimmed = FALSE;
 432
 433         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 434         rule = MODEST_DIMMING_RULE (user_data);
 435
 436         /* Check dimmed rule */
 437         if (MODEST_IS_MAIN_WINDOW (win)) {
 438                 if (!dimmed) {
 439                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 440                         if (dimmed)
 441                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 442                 }
 443                 if (!dimmed) {
 444                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 445                 }
 446                 if (!dimmed) {
 447                         dimmed = _already_opened_msg (win, &n_messages);
 448                         if (dimmed) {
 449                                 gchar *num = g_strdup_printf ("%d", n_messages);
 450                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 451 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 452                                 modest_dimming_rule_set_notification (rule, message);
 453                                 g_free(message);
 454                                 g_free(num);
 455                         }
 456                 }
 457                 if (!dimmed) {
 458                         dimmed = _marked_as_deleted (win);
 459                         if (dimmed)
 460                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 461                 }
 462                 if (!dimmed) {
 463                         dimmed = _selected_msg_sent_in_progress (win);
 464                         if (dimmed)
 465                                 modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_delete]"));
 466                 }
 467         }
 468         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 469                 if (!dimmed) {
 470                         dimmed = _transfer_mode_enabled (win);
 471                         if (dimmed)
 472                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 473                 }
 474                 if (!dimmed) {
 475                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 476                         if (dimmed) {
 477                                 gchar *num = g_strdup("1");
 478                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 479 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 480                                 modest_dimming_rule_set_notification (rule, message);
 481                                 g_free(message);
 482                                 g_free(num);
 483                         }
 484                 }
 485         }
 486
 487         return dimmed;
 488 }
 489
 490 gboolean
 491 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 492 {
 493         ModestDimmingRule *rule = NULL;
 494         GtkWidget *header_view = NULL;
 495         gboolean dimmed = FALSE;
 496
 497         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 498         rule = MODEST_DIMMING_RULE (user_data);
 499
 500         /* main window dimming rules */
 501         if (MODEST_IS_MAIN_WINDOW(win)) {
 502
 503                 /* Check dimmed rule */
 504                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 505                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 506
 507                 /* If the header view has the focus: */
 508                 if (header_view && gtk_widget_is_focus (header_view)) {
 509                         /* Check dimmed rule */
 510                         if (!dimmed)
 511                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 512                 }
 513                 else {
 514                         /* If the folder view has the focus: */
 515                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 516                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 517                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 518                                 TnyFolderStore *folder_store
 519                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 520                                 if (folder_store) {
 521                                         /* Only enable for folders, not accounts,
 522                                          * though the UI spec is not clear about that.
 523                                          * If we enable this for accounts then we must
 524                                          * add code to handle them in modest_ui_actions_on_details(). */
 525                                         if (!TNY_IS_FOLDER(folder_store)) {
 526                                                 dimmed = TRUE;
 527                                                 modest_dimming_rule_set_notification (rule, "");
 528                                         }
 529
 530                                         g_object_unref (folder_store);
 531                                 }
 532                         }
 533
 534                 }
 535
 536         /* msg view window dimming rules */
 537         } else {
 538
 539                 /* Check dimmed rule */
 540                 if (!dimmed) {
 541                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 542                         if (dimmed)
 543                                 modest_dimming_rule_set_notification (rule, "");
 544                 }
 545         }
 546
 547         return dimmed;
 548 }
 549
 550
 551 gboolean
 552 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 553 {
 554         ModestDimmingRule *rule = NULL;
 555         TnyHeaderFlags flags;
 556         gboolean dimmed = FALSE;
 557
 558         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 559         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 560         rule = MODEST_DIMMING_RULE (user_data);
 561
 562         flags = TNY_HEADER_FLAG_SEEN;
 563
 564         /* Check dimmed rule */
 565         if (!dimmed) {
 566                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 567         }
 568         if (!dimmed) {
 569                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 570                 if (dimmed)
 571                         modest_dimming_rule_set_notification (rule, "");
 572         }
 573
 574         return dimmed;
 575 }
 576
 577 gboolean
 578 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 579 {
 580         ModestDimmingRule *rule = NULL;
 581         TnyHeaderFlags flags;
 582         gboolean dimmed = FALSE;
 583
 584         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 585         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 586         rule = MODEST_DIMMING_RULE (user_data);
 587
 588         flags = TNY_HEADER_FLAG_SEEN;
 589
 590         /* Check dimmed rule */
 591         if (!dimmed)
 592                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 593         if (!dimmed) {
 594                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 595                 if (dimmed)
 596                         modest_dimming_rule_set_notification (rule, "");
 597         }
 598
 599         return dimmed;
 600 }
 601
 602 gboolean
 603 modest_ui_dimming_rules_on_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_DIMMING_RULE (user_data), FALSE);
 609         rule = MODEST_DIMMING_RULE (user_data);
 610
 611         if (MODEST_IS_MAIN_WINDOW (win))
 612                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 613         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 614                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 615
 616         return dimmed;
 617 }
 618
 619
 620 gboolean
 621 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 622 {
 623         GtkWidget *folder_view = NULL;
 624         GtkWidget *header_view = NULL;
 625         ModestDimmingRule *rule = NULL;
 626         guint n_messages = 0;
 627         gboolean dimmed = FALSE;
 628
 629         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 630         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 631         rule = MODEST_DIMMING_RULE (user_data);
 632
 633         /* Get the folder view */
 634         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 635                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 636
 637         /* Get header view */
 638         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 639                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 640
 641         /* Check diming rules for folders and messages transfer  */
 642         if (!dimmed) {
 643                 dimmed = _already_opened_msg (win, &n_messages);
 644                 if (dimmed) {
 645                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 646                         modest_dimming_rule_set_notification (rule, message);
 647                         g_free(message);
 648                 }
 649         }
 650         if (!dimmed) {
 651                 if (!gtk_widget_is_focus (folder_view))
 652                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 653
 654         }
 655
 656         return dimmed;
 657 }
 658
 659 gboolean
 660 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 661 {
 662         ModestDimmingRule *rule = NULL;
 663         gboolean dimmed = FALSE;
 664
 665         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 666         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 667         rule = MODEST_DIMMING_RULE (user_data);
 668
 669         /* Check dimmed rule */
 670         if (!dimmed) {
 671                 dimmed = _transfer_mode_enabled (win);
 672                 if (dimmed)
 673                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 674         }
 675         if (!dimmed) {
 676                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 677                 if (dimmed)
 678                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 679         }
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 686 {
 687         ModestDimmingRule *rule = NULL;
 688         gboolean dimmed = FALSE;
 689
 690         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 691         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 692         rule = MODEST_DIMMING_RULE (user_data);
 693
 694         /* Check dimmed rule */
 695         if (!dimmed) {
 696                 dimmed = _transfer_mode_enabled (win);
 697                 if (dimmed)
 698                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 699         }
 700
 701         return dimmed;
 702 }
 703
 704 gboolean
 705 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 706 {
 707         ModestDimmingRule *rule = NULL;
 708         TnyFolderType types[3];
 709         gboolean dimmed = FALSE;
 710
 711         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 712         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 713         rule = MODEST_DIMMING_RULE (user_data);
 714
 715         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 716         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 717         types[2] = TNY_FOLDER_TYPE_SENT;
 718
 719         /* Check dimmed rule */
 720         if (!dimmed) {
 721                 dimmed = _clipboard_is_empty (win);
 722                 if (dimmed)
 723                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 724         }
 725         if (!dimmed) {
 726                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 727                 if (dimmed)
 728                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 729         }
 730         if (!dimmed) {
 731                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 732                 if (dimmed) {
 733                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 734                 }
 735         }
 736         if (!dimmed) {
 737                 dimmed = _selected_folder_is_same_as_source (win);
 738                 if (dimmed)
 739                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 740         }
 741
 742         return dimmed;
 743 }
 744
 745
 746 gboolean
 747 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 748 {
 749         ModestDimmingRule *rule = NULL;
 750         gboolean dimmed = FALSE;
 751
 752         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 753         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 754         rule = MODEST_DIMMING_RULE (user_data);
 755
 756         /* Check dimmed rule */
 757         if (!dimmed) {
 758                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 759                 if (dimmed)
 760                         modest_dimming_rule_set_notification (rule, "");
 761         }
 762
 763         return dimmed;
 764 }
 765
 766 gboolean
 767 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 768 {
 769         ModestDimmingRule *rule = NULL;
 770         gboolean dimmed = FALSE;
 771
 772         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 773         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 774         rule = MODEST_DIMMING_RULE (user_data);
 775
 776         /* Check dimmed rule */
 777         if (!dimmed)
 778                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 779
 780         if (!dimmed) {
 781                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 782                 if (dimmed) {
 783                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 784                 }
 785         }
 786
 787         return dimmed;
 788 }
 789
 790 gboolean
 791 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 792 {
 793         ModestDimmingRule *rule = NULL;
 794         gboolean dimmed = FALSE;
 795
 796         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 797         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 798         rule = MODEST_DIMMING_RULE (user_data);
 799
 800         /* Check dimmed rule */
 801         if (!dimmed)
 802                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 803
 804         if (!dimmed) {
 805                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 806                 if (dimmed) {
 807                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 808                 }
 809         }
 810
 811         return dimmed;
 812 }
 813
 814 gboolean
 815 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 816 {
 817         ModestDimmingRule *rule = NULL;
 818         gboolean dimmed = FALSE;
 819
 820         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 821         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 822         rule = MODEST_DIMMING_RULE (user_data);
 823
 824         /* Check in main window if there's only one message selected */
 825         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 826                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 827         }
 828
 829         /* Check in view window if there's any attachment selected */
 830         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 831                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 832                 if (dimmed)
 833                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 834         }
 835
 836         /* cannot purge in editable drafts nor pop folders */
 837         if (!dimmed) {
 838                 dimmed = _invalid_folder_for_purge (win, rule);
 839         }
 840
 841         /* Check if the selected message in main window has attachments */
 842         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 843                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 844                 if (dimmed)
 845                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 846         }
 847
 848         /* Check if all attachments are already purged */
 849         if (!dimmed) {
 850                 dimmed = _purged_attach_selected (win, TRUE, rule);
 851         }
 852
 853         /* Check if the message is already downloaded */
 854         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 855                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 856                 if (dimmed)
 857                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 858         }
 859
 860
 861         return dimmed;
 862 }
 863
 864 gboolean
 865 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 866 {
 867         ModestDimmingRule *rule = NULL;
 868         gboolean dimmed = FALSE;
 869
 870         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 871         rule = MODEST_DIMMING_RULE (user_data);
 872
 873         /* Check dimmed rule */
 874         if (!dimmed) {
 875                 dimmed = _clipboard_is_empty (win);
 876                 if (dimmed)
 877                         modest_dimming_rule_set_notification (rule, "");
 878         }
 879
 880         return dimmed;
 881 }
 882
 883 gboolean
 884 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 885 {
 886         ModestDimmingRule *rule = NULL;
 887         gboolean dimmed = FALSE;
 888
 889         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 890         rule = MODEST_DIMMING_RULE (user_data);
 891
 892         /* Check common dimming rules */
 893         if (!dimmed) {
 894                 dimmed = _invalid_clipboard_selected (win, rule);
 895         }
 896
 897         /* Check window specific dimming rules */
 898         if (MODEST_IS_MAIN_WINDOW (win)) {
 899                 if (!dimmed) {
 900                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 901                         if (dimmed)
 902                                 modest_dimming_rule_set_notification (rule, "");
 903                 }
 904                 if (!dimmed) {
 905                         dimmed = _selected_msg_sent_in_progress (win);
 906                         if (dimmed)
 907                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 908                 }
 909         }
 910
 911         return dimmed;
 912 }
 913
 914 gboolean
 915 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 916 {
 917         ModestDimmingRule *rule = NULL;
 918         gboolean dimmed = FALSE;
 919
 920         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 921         rule = MODEST_DIMMING_RULE (user_data);
 922
 923         /* Check common dimming rules */
 924         if (!dimmed) {
 925                 dimmed = _invalid_clipboard_selected (win, rule);
 926         }
 927
 928         /* Check window specific dimming rules */
 929         if (MODEST_IS_MAIN_WINDOW (win)) {
 930                 if (!dimmed) {
 931                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 932                         if (dimmed)
 933                                 modest_dimming_rule_set_notification (rule, "");
 934                 }
 935                 if (!dimmed) {
 936                         dimmed = _selected_msg_sent_in_progress (win);
 937                         if (dimmed)
 938                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 939                 }
 940         }
 941
 942         return dimmed;
 943 }
 944
 945 gboolean
 946 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 947 {
 948         ModestDimmingRule *rule = NULL;
 949         gboolean dimmed = FALSE;
 950
 951         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 952         rule = MODEST_DIMMING_RULE (user_data);
 953
 954         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 955
 956         /* Check dimmed rule */
 957         if (!dimmed) {
 958                 dimmed = _transfer_mode_enabled (win);
 959                 if (dimmed)
 960                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 961         }
 962         if (!dimmed) {
 963                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 964 /*              if (dimmed) */
 965 /*                      modest_dimming_rule_set_notification (rule, ""); */
 966         }
 967
 968         return dimmed;
 969 }
 970
 971 gboolean
 972 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 973 {
 974         ModestDimmingRule *rule = NULL;
 975         gboolean dimmed = FALSE;
 976
 977         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 978         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 979         rule = MODEST_DIMMING_RULE (user_data);
 980
 981         /* Check dimmed rule */
 982         if (!dimmed) {
 983                 dimmed = _transfer_mode_enabled (win);
 984                 if (dimmed)
 985                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 986         }
 987         if (!dimmed) {
 988                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 989 /*              if (dimmed) */
 990 /*                      modest_dimming_rule_set_notification (rule, ""); */
 991         }
 992
 993         return dimmed;
 994 }
 995
 996
 997 gboolean
 998 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 999 {
1000         const gboolean dimmed =
1001                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1002                         TRUE);
1003
1004         return dimmed;
1005 }
1006
1007 gboolean
1008 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1009 {
1010         ModestDimmingRule *rule = NULL;
1011         TnyFolderType types[1];
1012         guint n_messages = 0;
1013         gboolean dimmed = FALSE;
1014
1015         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1016         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1017         rule = MODEST_DIMMING_RULE (user_data);
1018
1019         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1020
1021         /* Check dimmed rules */
1022         if (!dimmed) {
1023                 dimmed = _already_opened_msg (win, &n_messages);
1024                 if (dimmed)
1025                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1026         }
1027         if (!dimmed) {
1028                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1029                 if (dimmed)
1030                         modest_dimming_rule_set_notification (rule, "");
1031         }
1032         if (!dimmed) {
1033                 dimmed = !_sending_in_progress (win);
1034                 if (dimmed)
1035                         modest_dimming_rule_set_notification (rule, "");
1036         }
1037
1038         return dimmed;
1039 }
1040
1041 gboolean
1042 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1043 {
1044         ModestDimmingRule *rule = NULL;
1045         gboolean dimmed = FALSE;
1046
1047         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1048         rule = MODEST_DIMMING_RULE (user_data);
1049
1050         /* Check dimmed rule */
1051         if (!dimmed) {
1052                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1053                                                           TRUE);
1054                 if (dimmed)
1055                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1056         }
1057
1058         return dimmed;
1059 }
1060
1061 gboolean
1062 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1063 {
1064         ModestDimmingRule *rule = NULL;
1065         gboolean dimmed = FALSE;
1066
1067         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1068         rule = MODEST_DIMMING_RULE (user_data);
1069
1070         /* Check dimmed rule */
1071         if (!dimmed) {
1072                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1073                 gchar *selection = NULL;
1074                 selection = gtk_clipboard_wait_for_text (clipboard);
1075
1076                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1077         }
1078
1079         return dimmed;
1080 }
1081
1082 /* *********************** static utility functions ******************** */
1083
1084 static gboolean
1085 _marked_as_deleted (ModestWindow *win)
1086 {
1087         gboolean result = FALSE;
1088         TnyHeaderFlags flags;
1089
1090         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1091
1092         flags = TNY_HEADER_FLAG_DELETED;
1093
1094         /* Check dimmed rule */
1095         result = _selected_msg_marked_as (win, flags, FALSE);
1096
1097         return result;
1098 }
1099
1100 static gboolean
1101 _selected_folder_not_writeable (ModestMainWindow *win)
1102 {
1103         GtkWidget *folder_view = NULL;
1104         TnyFolderStore *parent_folder = NULL;
1105         ModestTnyFolderRules rules;
1106         gboolean result = FALSE;
1107
1108         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1109
1110         /* Get folder view */
1111         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1112                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1113         /* If no folder view, always dimmed */
1114         if (!folder_view)
1115                 return TRUE;
1116
1117         /* Get selected folder as parent of new folder to create */
1118         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1119         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1120                 if (parent_folder)
1121                         g_object_unref (parent_folder);
1122                 return TRUE;
1123         }
1124
1125         /* Check dimmed rule */
1126         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1127         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1128
1129         /* free */
1130         g_object_unref (parent_folder);
1131
1132         return result;
1133 }
1134
1135 static gboolean
1136 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1137 {
1138         TnyFolderType types[2];
1139         gboolean result = FALSE;
1140
1141         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1142
1143         types[0] = TNY_FOLDER_TYPE_ROOT;
1144         types[1] = TNY_FOLDER_TYPE_INBOX;
1145
1146         /* Check folder type */
1147         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1148
1149         /* Check pop and MMC accounts */
1150         if (!result) {
1151                 result = _selected_folder_is_MMC_or_POP_root (win);
1152         }
1153
1154         return result;
1155 }
1156
1157
1158 static gboolean
1159 _selected_folder_is_root (ModestMainWindow *win)
1160 {
1161         TnyFolderType types[1];
1162         gboolean result = FALSE;
1163
1164         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1165
1166         types[0] = TNY_FOLDER_TYPE_ROOT;
1167
1168         /* Check folder type */
1169         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1170
1171         /* Check pop and MMC accounts */
1172         if (!result) {
1173                 result = _selected_folder_is_MMC_or_POP_root (win);
1174         }
1175
1176         return result;
1177 }
1178
1179 static gboolean
1180 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1181 {
1182         GtkWidget *folder_view = NULL;
1183         TnyFolderStore *parent_folder = NULL;
1184         gboolean result = FALSE;
1185
1186         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1187                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1188         /* Get selected folder as parent of new folder to create */
1189         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1190         if (!parent_folder)
1191                 return TRUE;
1192
1193         if (TNY_IS_ACCOUNT (parent_folder)) {
1194                 /* If it's the local account then do not dim */
1195                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1196                         result = FALSE;
1197                 } else {
1198                                 /* If it's the MMC root folder then dim it */
1199                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1200                                         result = TRUE;
1201                         } else {
1202                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1203                                 /* If it's POP then dim */
1204                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1205                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1206                         }
1207                 }
1208         }
1209         g_object_unref (parent_folder);
1210
1211         return result;
1212 }
1213
1214
1215 static gboolean
1216 _selected_folder_is_empty (ModestMainWindow *win)
1217 {
1218         GtkWidget *folder_view = NULL;
1219         TnyFolderStore *folder = NULL;
1220         gboolean result = FALSE;
1221
1222         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1223
1224         /* Get folder view */
1225         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1226                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1227         /* If no folder view, always dimmed */
1228         if (!folder_view)
1229                 return TRUE;
1230
1231         /* Get selected folder as parent of new folder to create */
1232         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1233         if (!(folder && TNY_IS_FOLDER(folder))) {
1234                 if (folder)
1235                         g_object_unref (folder);
1236                 return TRUE;
1237         }
1238
1239         /* Check folder type */
1240         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1241
1242         /* free */
1243         g_object_unref (folder);
1244
1245         return result;
1246 }
1247
1248 static gboolean
1249 _selected_folder_is_same_as_source (ModestWindow *win)
1250 {
1251         ModestEmailClipboard *clipboard = NULL;
1252         GtkWidget *folder_view = NULL;
1253         TnyFolderStore *folder = NULL;
1254         gboolean result = FALSE;
1255
1256         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1257
1258         /* Get folder view */
1259         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1260                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1261         if (!folder_view)
1262                 return FALSE;
1263
1264         /* Get selected folder as destination folder */
1265         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1266         if (!(folder && TNY_IS_FOLDER(folder))) {
1267                 result = FALSE;
1268                 goto frees;
1269         }
1270
1271         /* Check clipboard is cleared */
1272         clipboard = modest_runtime_get_email_clipboard ();
1273         if (modest_email_clipboard_cleared (clipboard)) {
1274                 result = FALSE;
1275                 goto frees;
1276         }
1277
1278         /* Check source folder */
1279         result = modest_email_clipboard_check_source_folder (clipboard,
1280                                                              (const TnyFolder *) folder);
1281
1282         /* Free */
1283  frees:
1284         g_object_unref (folder);
1285
1286         return result;
1287 }
1288
1289 static gboolean
1290 _selected_folder_is_any_of_type (ModestWindow *win,
1291                                  TnyFolderType types[],
1292                                  guint ntypes)
1293 {
1294         GtkWidget *folder_view = NULL;
1295         TnyFolderStore *folder = NULL;
1296         TnyFolderType folder_type;
1297         guint i=0;
1298         gboolean result = FALSE;
1299
1300         /*Get curent folder */
1301         if (MODEST_IS_MAIN_WINDOW(win)) {
1302
1303                 /* Get folder view */
1304                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1305                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1306                 /* If no folder view, always dimmed */
1307                 if (!folder_view)
1308                         return FALSE;
1309
1310                 /* Get selected folder as parent of new folder to create */
1311                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1312
1313                 if (!(folder && TNY_IS_FOLDER(folder))) {
1314                         if (folder)
1315                                 g_object_unref (folder);
1316                         return FALSE;
1317                 }
1318
1319                 /* Check folder type */
1320                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1321         }
1322         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1323                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1324                 for (i=0; i < ntypes; i++) {
1325                         result = result || folder_type == types[i];
1326                 }
1327         }
1328
1329
1330         /* free */
1331         g_object_unref (folder);
1332
1333         return result;
1334 }
1335
1336 static gboolean
1337 _folder_is_any_of_type (TnyFolder *folder,
1338                         TnyFolderType types[],
1339                         guint ntypes)
1340 {
1341         TnyFolderType folder_type;
1342         gboolean result = FALSE;
1343         guint i;
1344
1345         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1346
1347         /* Get folder type */
1348         if (modest_tny_folder_is_local_folder (folder))
1349                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1350         else
1351                 folder_type = modest_tny_folder_guess_folder_type (folder);
1352
1353         /* Check foler type */
1354         for (i=0; i < ntypes; i++) {
1355                 result = result || folder_type == types[i];
1356         }
1357
1358         return result;
1359 }
1360
1361 static gboolean
1362 _selected_folder_is_snd_level (ModestMainWindow *win)
1363 {
1364         GtkWidget *folder_view = NULL;
1365         GtkTreeSelection *sel = NULL;
1366         GtkTreeModel *model = NULL;
1367         GtkTreePath *path = NULL;
1368         GtkTreeIter iter;
1369         TnyFolderStore *folder = NULL;
1370         gboolean result = FALSE;
1371
1372         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1373
1374         /*Get curent folder */
1375         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1376                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1377         /* If no folder view, always dimmed */
1378         if (!folder_view)
1379                 goto frees;
1380
1381         /* Get selected folder as parent of new folder to create */
1382         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1383         if (!(folder && TNY_IS_FOLDER(folder))) {
1384                 goto frees;
1385         }
1386
1387         /* Check folder level */
1388         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1389         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1390                 goto frees;
1391         path = gtk_tree_model_get_path (model, &iter);
1392         result = gtk_tree_path_get_depth (path) > 2;
1393
1394  frees:
1395         if (folder != NULL)
1396                 g_object_unref (folder);
1397         if (path != NULL)
1398                 gtk_tree_path_free (path);
1399
1400         return result;
1401
1402 }
1403
1404 static gboolean
1405 _clipboard_is_empty (ModestWindow *win)
1406 {
1407         gboolean result = FALSE;
1408
1409         if (MODEST_IS_MAIN_WINDOW (win)) {
1410                 ModestEmailClipboard *clipboard = NULL;
1411                 clipboard = modest_runtime_get_email_clipboard ();
1412                 if (modest_email_clipboard_cleared (clipboard))
1413                  result = TRUE;
1414         }
1415
1416         return result;
1417 }
1418
1419 static gboolean
1420 _invalid_clipboard_selected (ModestWindow *win,
1421                        ModestDimmingRule *rule)
1422 {
1423         gboolean result = FALSE;
1424
1425         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1426                 GtkClipboard *clipboard = NULL;
1427                 gchar *selection = NULL;
1428                 GtkWidget *focused = NULL;
1429
1430                 /* Get clipboard selection*/
1431                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1432                 selection = gtk_clipboard_wait_for_text (clipboard);
1433
1434                 /* Get focuesed widget */
1435                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1436
1437                 /* Check dimming */
1438                 result = ((selection == NULL) ||
1439                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1440
1441                 if (result)
1442                         modest_dimming_rule_set_notification (rule, "");
1443         }
1444         else if (MODEST_IS_MAIN_WINDOW (win)) {
1445                 GtkWidget *header_view = NULL;
1446
1447                 /* Get header view to check selected messages */
1448                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1449                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1450
1451                 /* Check dimming */
1452                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1453                 if (result)
1454                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1455         }
1456
1457         return result;
1458 }
1459
1460
1461 static gboolean
1462 _invalid_attach_selected (ModestWindow *win,
1463                           gboolean unique,
1464                           gboolean for_view,
1465                           ModestDimmingRule *rule)
1466 {
1467         GList *attachments, *node;
1468         gint n_selected;
1469         TnyHeaderFlags flags;
1470         gboolean nested_attachments = FALSE;
1471         gboolean selected_messages = FALSE;
1472         gboolean result = FALSE;
1473
1474         if (MODEST_IS_MAIN_WINDOW (win)) {
1475                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1476                 if (!result)
1477                         result = _selected_msg_marked_as (win, flags, TRUE);
1478         }
1479         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1480
1481                 /* Get selected atachments */
1482                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1483                 n_selected = g_list_length (attachments);
1484
1485                 /* Check unique */
1486                 if (!result) {
1487                         if (unique)
1488                                 result = n_selected != 1;
1489                         else
1490
1491                                 result = n_selected < 1;
1492                 }
1493
1494                 /* Check attached type (view operation not required) */
1495                 if (!result && !for_view)  {
1496                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1497                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1498                                 TnyList *nested_list = tny_simple_list_new ();
1499                                 if (TNY_IS_MSG (mime_part)) {
1500                                         selected_messages = TRUE;
1501                                         result = TRUE;
1502                                 }
1503                                 tny_mime_part_get_parts (mime_part, nested_list);
1504                                 if (tny_list_get_length (nested_list) > 0) {
1505                                 nested_attachments = TRUE;
1506                                 result = TRUE;
1507                                 }
1508                                 g_object_unref (nested_list);
1509                         }
1510                 }
1511
1512                 /* Set notifications */
1513                 if (result && rule != NULL) {
1514                         if (selected_messages) {
1515                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1516                         } else if (nested_attachments) {
1517                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1518                         } else if (n_selected == 0) {
1519                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1520                         } else if (unique) {
1521                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1522                         }
1523                 }
1524
1525                 /* Free */
1526                 g_list_free (attachments);
1527         }
1528
1529         return result;
1530 }
1531
1532 static gboolean
1533 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1534 {
1535         GList *attachments = NULL, *node;
1536         gint purged = 0;
1537         gint n_attachments = 0;
1538         gboolean result = FALSE;
1539
1540         /* This should check if _all_ the attachments are already purged. If only some
1541          * of them are purged, then it does not cause dim as there's a confirmation dialog
1542          * for removing only local attachments */
1543
1544         /* Get selected atachments */
1545         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1546                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1547         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1548                 /* If we're in main window, we won't know if there are already purged attachments */
1549                 return FALSE;
1550         }
1551
1552         if (attachments == NULL)
1553                 return FALSE;
1554
1555         for (node = attachments; node != NULL; node = g_list_next (node)) {
1556                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1557                 if (tny_mime_part_is_purged (mime_part)) {
1558                         purged++;
1559                 }
1560                 n_attachments++;
1561         }
1562
1563         /* Free */
1564         g_list_free (attachments);
1565
1566         if (all)
1567                 result = (purged == n_attachments);
1568         else
1569                 result = (purged > 0);
1570
1571         if (result && (rule != NULL))
1572                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1573
1574         return result;
1575 }
1576
1577 static gboolean
1578 _invalid_msg_selected (ModestMainWindow *win,
1579                        gboolean unique,
1580                        ModestDimmingRule *rule)
1581 {
1582         GtkWidget *header_view = NULL;
1583         GtkWidget *folder_view = NULL;
1584         gboolean selected_headers = FALSE;
1585         gboolean result = FALSE;
1586
1587         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1588         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1589
1590         /* Get header view to check selected messages */
1591         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1592                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1593
1594         /* Get folder view to check focus */
1595         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1596                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1597
1598         /* Get selected headers */
1599         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1600
1601         /* Check dimmed rule (TODO: check focus on widgets */
1602         if (!result) {
1603                 result = ((!selected_headers) ||
1604                           (gtk_widget_is_focus (folder_view)));
1605                 if (result)
1606                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1607         }
1608         if (!result && unique) {
1609                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1610                 if (result)
1611                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1612         }
1613
1614         return result;
1615 }
1616
1617 static gboolean
1618 _already_opened_msg (ModestWindow *win,
1619                      guint *n_messages)
1620 {
1621         //ModestWindow *window = NULL;
1622         ModestWindowMgr *mgr = NULL;
1623         GtkWidget *header_view = NULL;
1624         TnyList *selected_headers = NULL;
1625         TnyIterator *iter = NULL;
1626         TnyHeader *header = NULL;
1627         gboolean found;
1628
1629         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1630
1631         /* Get header view to check selected messages */
1632         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1633                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1634
1635
1636         /* Check no selection */
1637         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1638             return FALSE;
1639
1640         /* Get selected headers */
1641         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1642         if (selected_headers == NULL)
1643                 return FALSE;
1644
1645         *n_messages = tny_list_get_length (selected_headers);
1646
1647         /* Check dimmed rule (TODO: check focus on widgets */
1648         mgr = modest_runtime_get_window_mgr ();
1649         iter = tny_list_create_iterator (selected_headers);
1650         found = FALSE;
1651         while (!tny_iterator_is_done (iter)) {
1652                 header = TNY_HEADER (tny_iterator_get_current (iter));
1653                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1654
1655                 g_object_unref (header);
1656                 tny_iterator_next (iter);
1657
1658                 if (found)
1659                         break;
1660         }
1661
1662         /* free */
1663         if (selected_headers != NULL)
1664                 g_object_unref (selected_headers);
1665         if (iter != NULL)
1666                 g_object_unref (iter);
1667
1668         return found;
1669 }
1670
1671 static gboolean
1672 _selected_msg_marked_as (ModestWindow *win,
1673                          TnyHeaderFlags mask,
1674                          gboolean opposite)
1675 {
1676         GtkWidget *header_view = NULL;
1677         TnyList *selected_headers = NULL;
1678         TnyIterator *iter = NULL;
1679         TnyHeader *header = NULL;
1680         TnyHeaderFlags flags;
1681         gboolean result = FALSE;
1682
1683         /* Get header view to check selected messages */
1684         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1685                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1686
1687         /* Check no selection */
1688         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1689             return TRUE;
1690
1691         /* Get selected headers */
1692         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1693         if (selected_headers == NULL)
1694                 return TRUE;
1695
1696         /* Call the function for each header */
1697         iter = tny_list_create_iterator (selected_headers);
1698         while (!tny_iterator_is_done (iter) && !result) {
1699                 header = TNY_HEADER (tny_iterator_get_current (iter));
1700
1701                 flags = tny_header_get_flags (header);
1702                 if (opposite)
1703                         result = (flags & mask) == 0;
1704                 else
1705                         result = (flags & mask) != 0;
1706
1707                 g_object_unref (header);
1708                 tny_iterator_next (iter);
1709         }
1710
1711         /* free */
1712         if (selected_headers != NULL)
1713                 g_object_unref (selected_headers);
1714         if (iter != NULL)
1715                 g_object_unref (iter);
1716
1717         return result;
1718 }
1719
1720 static gboolean
1721 _msg_download_in_progress (ModestMsgViewWindow *win)
1722 {
1723         gboolean result = FALSE;
1724
1725         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1726
1727         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1728
1729         return result;
1730 }
1731
1732 static gboolean
1733 _msg_download_completed (ModestMainWindow *win)
1734 {
1735         GtkWidget *header_view = NULL;
1736         TnyList *selected_headers = NULL;
1737         TnyIterator *iter = NULL;
1738         TnyHeader *header = NULL;
1739         TnyHeaderFlags flags;
1740         gboolean result = FALSE;
1741
1742         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1743
1744
1745         /* Get header view to check selected messages */
1746         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1747                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1748
1749         /* Check no selection */
1750         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1751             return TRUE;
1752
1753         /* Get selected headers */
1754         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1755         if (selected_headers == NULL)
1756                 return TRUE;
1757
1758         /* Check dimmed rule  */
1759         result = TRUE;
1760         iter = tny_list_create_iterator (selected_headers);
1761         while (!tny_iterator_is_done (iter) && result) {
1762                 header = TNY_HEADER (tny_iterator_get_current (iter));
1763
1764                 flags = tny_header_get_flags (header);
1765                 /* TODO: is this the right flag?, it seems that some
1766                    headers that have been previously downloaded do not
1767                    come with it */
1768                 result = (flags & TNY_HEADER_FLAG_CACHED);
1769
1770                 g_object_unref (header);
1771                 tny_iterator_next (iter);
1772         }
1773
1774         g_object_unref (iter);
1775
1776         return result;
1777 }
1778
1779 static gboolean
1780 _selected_msg_sent_in_progress (ModestWindow *win)
1781 {
1782         ModestTnySendQueue *send_queue = NULL;
1783         GtkWidget *header_view = NULL;
1784         ModestTnyAccountStore *acc_store = NULL;
1785         TnyAccount *account = NULL;
1786         TnyList *header_list = NULL;
1787         TnyIterator *iter = NULL;
1788         TnyHeader *header = NULL;
1789         const gchar *account_name = NULL;
1790         gboolean result = FALSE;
1791         gchar *id = NULL;
1792
1793         /* Get transport account */
1794         acc_store = modest_runtime_get_account_store();
1795         account_name = modest_window_get_active_account (win);
1796
1797         /* If no account defined, this action must be always dimmed  */
1798         if (account_name == NULL) return FALSE;
1799         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1800         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1801
1802         /* Get send queue for current ransport account */
1803         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1804         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1805
1806         if (MODEST_IS_MAIN_WINDOW(win)) {
1807
1808                 /* Get header view to check selected messages */
1809                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1810                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1811
1812                 /* Check no selection */
1813                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1814                     return FALSE;
1815
1816                 /* Get selected headers */
1817                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1818
1819                 /* Get message header */
1820                 if (!header_list) return FALSE;
1821                 iter = tny_list_create_iterator (header_list);
1822                 header = TNY_HEADER (tny_iterator_get_current (iter));
1823
1824                 /* Get message id */
1825                 id = g_strdup(tny_header_get_message_id (header));
1826
1827         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1828
1829                 /* Get message header */
1830                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1831
1832                 /* Get message id */
1833                 id = g_strdup(tny_header_get_message_id (header));
1834         }
1835
1836         /* Check if msg id is being processed inside send queue */
1837         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1838
1839         /* Free */
1840         g_free(id);
1841         g_object_unref (header);
1842         g_object_unref(header_list);
1843         g_object_unref(iter);
1844
1845         return result;
1846 }
1847
1848
1849 static gboolean
1850 _sending_in_progress (ModestWindow *win)
1851 {
1852         gboolean result = FALSE;
1853
1854         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1855
1856         /* Check if send operation is in progress */
1857         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1858
1859         return result;
1860 }
1861
1862 static gboolean
1863 _invalid_folder_for_purge (ModestWindow *win,
1864                            ModestDimmingRule *rule)
1865 {
1866         TnyMsg *msg = NULL;
1867         TnyFolder *folder = NULL;
1868         TnyAccount *account = NULL;
1869         gboolean result = FALSE;
1870
1871         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1872
1873                 /* Get folder and account of message */
1874                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1875                 g_return_val_if_fail(msg != NULL, TRUE);
1876                 folder = tny_msg_get_folder (msg);
1877                 if (folder == NULL) {
1878                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1879                         goto frees;
1880                 }
1881                 g_object_unref (msg);
1882         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1883                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1884                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1885                 if (!folder_view)
1886                         return FALSE;
1887                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1888                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1889                         return FALSE;
1890                 g_object_ref (folder);
1891
1892         } else {
1893                 g_return_val_if_reached (FALSE);
1894         }
1895         account = modest_tny_folder_get_account (folder);
1896         if (account == NULL) goto frees;
1897
1898         /* Check account */
1899         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1900                 TnyFolderType types[2];
1901                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1902                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1903
1904                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1905                         result = TRUE;
1906                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1907                 } else {
1908                         /* We're currently disabling purge in any local store */
1909                         result = TRUE;
1910                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1911                 }
1912         } else {
1913                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1914                 /* If it's POP then dim */
1915                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1916                     MODEST_PROTOCOL_STORE_POP) {
1917                         GList *attachments;
1918                         gint n_selected;
1919                         result = TRUE;
1920                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1921                         n_selected = g_list_length (attachments);
1922                         g_list_free (attachments);
1923
1924                         modest_dimming_rule_set_notification (rule,
1925                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1926                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1927                                                                         n_selected));
1928                 }
1929         }
1930
1931 frees:
1932         if (folder != NULL)
1933                 g_object_unref (folder);
1934         if (account != NULL)
1935                 g_object_unref (account);
1936
1937         return result;
1938 }
1939
1940 static gboolean
1941 _transfer_mode_enabled (ModestWindow *win)
1942 {
1943         gboolean result = FALSE;
1944
1945         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1946
1947         /* Check dimming */
1948         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1949
1950         return result;
1951 }