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_MAIN_WINDOW(win), FALSE);
 178         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 179         rule = MODEST_DIMMING_RULE (user_data);
 180
 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         return dimmed;
 196 }
 197
 198
 199
 200 gboolean
 201 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 202 {
 203         ModestDimmingRule *rule = NULL;
 204         TnyFolderType types[5];
 205         gboolean dimmed = FALSE;
 206
 207         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 208         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 209         rule = MODEST_DIMMING_RULE (user_data);
 210
 211         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 212         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 213         types[2] = TNY_FOLDER_TYPE_SENT;
 214         types[3] = TNY_FOLDER_TYPE_INBOX;
 215         types[4] = TNY_FOLDER_TYPE_ROOT;
 216
 217
 218         /* Check dimmed rule */
 219         if (!dimmed) {
 220                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 221                 if (dimmed)
 222                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 223         }
 224         if (!dimmed) {
 225                 dimmed = _selected_folder_is_any_of_type (win, types, 5);
 226                 if (dimmed)
 227                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 228         }
 229         if (!dimmed) {
 230                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 231                 if (dimmed)
 232                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 233         }
 234         if (!dimmed) {
 235                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 236                 if (dimmed)
 237                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 238         }
 239
 240         return dimmed;
 241 }
 242
 243 gboolean
 244 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 245 {
 246         ModestDimmingRule *rule = NULL;
 247         gboolean dimmed = FALSE;
 248
 249         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 250         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 251         rule = MODEST_DIMMING_RULE (user_data);
 252
 253         /* Check dimmed rule */
 254         if (!dimmed) {
 255                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 256                 if (dimmed)
 257                         modest_dimming_rule_set_notification (rule, "");
 258         }
 259
 260         return dimmed;
 261
 262 }
 263
 264 gboolean
 265 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 266 {
 267         ModestDimmingRule *rule = NULL;
 268         TnyFolderType types[3];
 269         gboolean dimmed = FALSE;
 270
 271         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 272         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 273         rule = MODEST_DIMMING_RULE (user_data);
 274
 275         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 276         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 277         types[2] = TNY_FOLDER_TYPE_SENT;
 278
 279         /* Check dimmed rule */
 280         if (!dimmed) {
 281                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 282                 if (dimmed)
 283                         modest_dimming_rule_set_notification (rule, "");
 284         }
 285         if (!dimmed) {
 286                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 287                 if (dimmed)
 288                         modest_dimming_rule_set_notification (rule, "");
 289         }
 290         if (!dimmed) {
 291                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 292                 if (dimmed)
 293                         modest_dimming_rule_set_notification (rule, "");
 294         }
 295
 296         return dimmed;
 297 }
 298
 299 gboolean
 300 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 301 {
 302         ModestDimmingRule *rule = NULL;
 303         gboolean dimmed = FALSE;
 304
 305         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 306         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 307         rule = MODEST_DIMMING_RULE (user_data);
 308
 309         /* Check dimmed rule */
 310         if (!dimmed) {
 311                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 312         }
 313         if (!dimmed) {
 314                 dimmed = _marked_as_deleted (win);
 315                 if (dimmed)
 316                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 317         }
 318         if (!dimmed) {
 319                 dimmed = _selected_msg_sent_in_progress (win);
 320                 if (dimmed)
 321                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 322         }
 323
 324         return dimmed;
 325 }
 326
 327 gboolean
 328 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 329 {
 330         ModestDimmingRule *rule = NULL;
 331         gboolean dimmed = FALSE;
 332         TnyFolderType types[3];
 333
 334         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 335         rule = MODEST_DIMMING_RULE (user_data);
 336
 337         /* main window dimming rules */
 338         if (MODEST_IS_MAIN_WINDOW(win)) {
 339
 340                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 341                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 342                 types[2] = TNY_FOLDER_TYPE_ROOT;
 343
 344                 /* Check dimmed rule */
 345                 if (!dimmed) {
 346                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 347                         if (dimmed)
 348                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 349                 }
 350                 if (!dimmed) {
 351                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 352                         if (dimmed)
 353                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 354                 }
 355                 if (!dimmed) {
 356                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 357                 }
 358         /* msg view window dimming rules */
 359         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 360
 361                 /* Check dimmed rule */
 362                 if (!dimmed) {
 363                         dimmed = _transfer_mode_enabled (win);
 364                         if (dimmed)
 365                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 366                 }
 367                 if (!dimmed) {
 368                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 369                         if (dimmed)
 370                                 modest_dimming_rule_set_notification (rule, "");
 371                 }
 372         }
 373
 374         return dimmed;
 375 }
 376
 377
 378 gboolean
 379 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 380 {
 381         ModestDimmingRule *rule = NULL;
 382         gboolean dimmed = FALSE;
 383
 384         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 385         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 386         rule = MODEST_DIMMING_RULE (user_data);
 387
 388         /* Check dimmed rule */
 389         if (!dimmed) {
 390                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 391         }
 392         if (!dimmed) {
 393                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 394                 if (dimmed)
 395                         modest_dimming_rule_set_notification (rule, "");
 396         }
 397
 398         return dimmed;
 399 }
 400
 401 gboolean
 402 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 403 {
 404         gboolean dimmed = FALSE;
 405
 406         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 407
 408         /* Check dimmed rule */
 409         if (!dimmed)
 410                 dimmed = TRUE;
 411
 412         return dimmed;
 413 }
 414
 415 gboolean
 416 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 417 {
 418         ModestDimmingRule *rule = NULL;
 419         guint n_messages = 0;
 420         gboolean dimmed = FALSE;
 421
 422         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 423         rule = MODEST_DIMMING_RULE (user_data);
 424
 425         /* Check dimmed rule */
 426         if (MODEST_IS_MAIN_WINDOW (win)) {
 427                 if (!dimmed) {
 428                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 429                         if (dimmed)
 430                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 431                 }
 432                 if (!dimmed) {
 433                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 434                 }
 435                 if (!dimmed) {
 436                         dimmed = _already_opened_msg (win, &n_messages);
 437                         if (dimmed) {
 438                                 gchar *num = g_strdup_printf ("%d", n_messages);
 439                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 440 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 441                                 modest_dimming_rule_set_notification (rule, message);
 442                                 g_free(message);
 443                                 g_free(num);
 444                         }
 445                 }
 446                 if (!dimmed) {
 447                         dimmed = _marked_as_deleted (win);
 448                         if (dimmed)
 449                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 450                 }
 451                 if (!dimmed) {
 452                         dimmed = _selected_msg_sent_in_progress (win);
 453                         if (dimmed)
 454                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 455                 }
 456         }
 457         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 458                 if (!dimmed) {
 459                         dimmed = _transfer_mode_enabled (win);
 460                         if (dimmed)
 461                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 462                 }
 463                 if (!dimmed) {
 464                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 465                         if (dimmed) {
 466                                 gchar *num = g_strdup("1");
 467                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 468 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 469                                 modest_dimming_rule_set_notification (rule, message);
 470                                 g_free(message);
 471                                 g_free(num);
 472                         }
 473                 }
 474         }
 475
 476         return dimmed;
 477 }
 478
 479 gboolean
 480 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 481 {
 482         ModestDimmingRule *rule = NULL;
 483         GtkWidget *header_view = NULL;
 484         gboolean dimmed = FALSE;
 485
 486         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 487         rule = MODEST_DIMMING_RULE (user_data);
 488
 489         /* main window dimming rules */
 490         if (MODEST_IS_MAIN_WINDOW(win)) {
 491
 492                 /* Check dimmed rule */
 493                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 494                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 495
 496                 /* If the header view has the focus: */
 497                 if (header_view && gtk_widget_is_focus (header_view)) {
 498                         /* Check dimmed rule */
 499                         if (!dimmed)
 500                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 501                 }
 502                 else {
 503                         /* If the folder view has the focus: */
 504                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 505                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 506                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 507                                 TnyFolderStore *folder_store
 508                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 509                                 if (folder_store) {
 510                                         /* Only enable for folders, not accounts,
 511                                          * though the UI spec is not clear about that.
 512                                          * If we enable this for accounts then we must
 513                                          * add code to handle them in modest_ui_actions_on_details(). */
 514                                         if (!TNY_IS_FOLDER(folder_store)) {
 515                                                 dimmed = TRUE;
 516                                                 modest_dimming_rule_set_notification (rule, "");
 517                                         }
 518
 519                                         g_object_unref (folder_store);
 520                                 }
 521                         }
 522
 523                 }
 524
 525         /* msg view window dimming rules */
 526         } else {
 527
 528                 /* Check dimmed rule */
 529                 if (!dimmed) {
 530                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 531                         if (dimmed)
 532                                 modest_dimming_rule_set_notification (rule, "");
 533                 }
 534         }
 535
 536         return dimmed;
 537 }
 538
 539
 540 gboolean
 541 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 542 {
 543         ModestDimmingRule *rule = NULL;
 544         TnyHeaderFlags flags;
 545         gboolean dimmed = FALSE;
 546
 547         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 548         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 549         rule = MODEST_DIMMING_RULE (user_data);
 550
 551         flags = TNY_HEADER_FLAG_SEEN;
 552
 553         /* Check dimmed rule */
 554         if (!dimmed) {
 555                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 556         }
 557         if (!dimmed) {
 558                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 559                 if (dimmed)
 560                         modest_dimming_rule_set_notification (rule, "");
 561         }
 562
 563         return dimmed;
 564 }
 565
 566 gboolean
 567 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 568 {
 569         ModestDimmingRule *rule = NULL;
 570         TnyHeaderFlags flags;
 571         gboolean dimmed = FALSE;
 572
 573         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 574         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 575         rule = MODEST_DIMMING_RULE (user_data);
 576
 577         flags = TNY_HEADER_FLAG_SEEN;
 578
 579         /* Check dimmed rule */
 580         if (!dimmed)
 581                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 582         if (!dimmed) {
 583                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 584                 if (dimmed)
 585                         modest_dimming_rule_set_notification (rule, "");
 586         }
 587
 588         return dimmed;
 589 }
 590
 591 gboolean
 592 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 593 {
 594         ModestDimmingRule *rule = NULL;
 595         gboolean dimmed = FALSE;
 596
 597         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 598         rule = MODEST_DIMMING_RULE (user_data);
 599
 600         if (MODEST_IS_MAIN_WINDOW (win))
 601                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 602         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 603                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 604
 605         return dimmed;
 606 }
 607
 608
 609 gboolean
 610 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 611 {
 612         GtkWidget *folder_view = NULL;
 613         GtkWidget *header_view = NULL;
 614         ModestDimmingRule *rule = NULL;
 615         guint n_messages = 0;
 616         gboolean dimmed = FALSE;
 617
 618         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 619         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 620         rule = MODEST_DIMMING_RULE (user_data);
 621
 622         /* Get the folder view */
 623         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 624                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 625
 626         /* Get header view */
 627         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 628                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 629
 630         /* Check diming rules for folders and messages transfer  */
 631         if (!dimmed) {
 632                 dimmed = _already_opened_msg (win, &n_messages);
 633                 if (dimmed) {
 634                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 635                         modest_dimming_rule_set_notification (rule, message);
 636                         g_free(message);
 637                 }
 638         }
 639         if (!dimmed) {
 640                 if (!gtk_widget_is_focus (folder_view))
 641                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 642
 643         }
 644
 645         return dimmed;
 646 }
 647
 648 gboolean
 649 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 650 {
 651         ModestDimmingRule *rule = NULL;
 652         gboolean dimmed = FALSE;
 653
 654         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 655         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 656         rule = MODEST_DIMMING_RULE (user_data);
 657
 658         /* Check dimmed rule */
 659         if (!dimmed) {
 660                 dimmed = _transfer_mode_enabled (win);
 661                 if (dimmed)
 662                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 663         }
 664         if (!dimmed) {
 665                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 666                 if (dimmed)
 667                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 668         }
 669
 670         return dimmed;
 671 }
 672
 673 gboolean
 674 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 675 {
 676         ModestDimmingRule *rule = NULL;
 677         gboolean dimmed = FALSE;
 678
 679         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 680         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 681         rule = MODEST_DIMMING_RULE (user_data);
 682
 683         /* Check dimmed rule */
 684         if (!dimmed) {
 685                 dimmed = _transfer_mode_enabled (win);
 686                 if (dimmed)
 687                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 688         }
 689
 690         return dimmed;
 691 }
 692
 693 gboolean
 694 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 695 {
 696         ModestDimmingRule *rule = NULL;
 697         TnyFolderType types[3];
 698         gboolean dimmed = FALSE;
 699
 700         g_return_val_if_fail (MODEST_IS_MAIN_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         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 705         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 706         types[2] = TNY_FOLDER_TYPE_SENT;
 707
 708         /* Check dimmed rule */
 709         if (!dimmed) {
 710                 dimmed = _clipboard_is_empty (win);
 711                 if (dimmed)
 712                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 713         }
 714         if (!dimmed) {
 715                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 716                 if (dimmed)
 717                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 718         }
 719         if (!dimmed) {
 720                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 721                 if (dimmed) {
 722                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 723                 }
 724         }
 725         if (!dimmed) {
 726                 dimmed = _selected_folder_is_same_as_source (win);
 727                 if (dimmed)
 728                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 729         }
 730
 731         return dimmed;
 732 }
 733
 734
 735 gboolean
 736 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 737 {
 738         ModestDimmingRule *rule = NULL;
 739         gboolean dimmed = FALSE;
 740
 741         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 742         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 743         rule = MODEST_DIMMING_RULE (user_data);
 744
 745         /* Check dimmed rule */
 746         if (!dimmed) {
 747                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 748                 if (dimmed)
 749                         modest_dimming_rule_set_notification (rule, "");
 750         }
 751
 752         return dimmed;
 753 }
 754
 755 gboolean
 756 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 757 {
 758         ModestDimmingRule *rule = NULL;
 759         gboolean dimmed = FALSE;
 760
 761         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 762         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 763         rule = MODEST_DIMMING_RULE (user_data);
 764
 765         /* Check dimmed rule */
 766         if (!dimmed)
 767                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 768
 769         if (!dimmed) {
 770                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 771                 if (dimmed) {
 772                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 773                 }
 774         }
 775
 776         return dimmed;
 777 }
 778
 779 gboolean
 780 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 781 {
 782         ModestDimmingRule *rule = NULL;
 783         gboolean dimmed = FALSE;
 784
 785         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 786         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 787         rule = MODEST_DIMMING_RULE (user_data);
 788
 789         /* Check dimmed rule */
 790         if (!dimmed)
 791                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 792
 793         if (!dimmed) {
 794                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 795                 if (dimmed) {
 796                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 797                 }
 798         }
 799
 800         return dimmed;
 801 }
 802
 803 gboolean
 804 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 805 {
 806         ModestDimmingRule *rule = NULL;
 807         gboolean dimmed = FALSE;
 808
 809         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 810         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 811         rule = MODEST_DIMMING_RULE (user_data);
 812
 813         /* Check in main window if there's only one message selected */
 814         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 815                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 816         }
 817
 818         /* Check in view window if there's any attachment selected */
 819         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 820                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 821                 if (dimmed)
 822                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 823         }
 824
 825         /* cannot purge in editable drafts nor pop folders */
 826         if (!dimmed) {
 827                 dimmed = _invalid_folder_for_purge (win, rule);
 828         }
 829
 830         /* Check if the selected message in main window has attachments */
 831         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 832                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 833                 if (dimmed)
 834                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 835         }
 836
 837         /* Check if all attachments are already purged */
 838         if (!dimmed) {
 839                 dimmed = _purged_attach_selected (win, TRUE, rule);
 840         }
 841
 842         /* Check if the message is already downloaded */
 843         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 844                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 845                 if (dimmed)
 846                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 847         }
 848
 849
 850         return dimmed;
 851 }
 852
 853 gboolean
 854 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 855 {
 856         ModestDimmingRule *rule = NULL;
 857         gboolean dimmed = FALSE;
 858
 859         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 860         rule = MODEST_DIMMING_RULE (user_data);
 861
 862         /* Check dimmed rule */
 863         if (!dimmed) {
 864                 dimmed = _clipboard_is_empty (win);
 865                 if (dimmed)
 866                         modest_dimming_rule_set_notification (rule, "");
 867         }
 868
 869         return dimmed;
 870 }
 871
 872 gboolean
 873 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 874 {
 875         ModestDimmingRule *rule = NULL;
 876         gboolean dimmed = FALSE;
 877
 878         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 879         rule = MODEST_DIMMING_RULE (user_data);
 880
 881         /* Check common dimming rules */
 882         if (!dimmed) {
 883                 dimmed = _invalid_clipboard_selected (win, rule);
 884         }
 885
 886         /* Check window specific dimming rules */
 887         if (MODEST_IS_MAIN_WINDOW (win)) {
 888                 if (!dimmed) {
 889                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 890                         if (dimmed)
 891                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 892                 }
 893                 if (!dimmed) {
 894                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 895                         if (dimmed)
 896                                 modest_dimming_rule_set_notification (rule, "");
 897                 }
 898                 if (!dimmed) {
 899                         dimmed = _selected_msg_sent_in_progress (win);
 900                         if (dimmed)
 901                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 902                 }
 903         }
 904
 905         return dimmed;
 906 }
 907
 908 gboolean
 909 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 910 {
 911         ModestDimmingRule *rule = NULL;
 912         gboolean dimmed = FALSE;
 913
 914         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 915         rule = MODEST_DIMMING_RULE (user_data);
 916
 917         /* Check common dimming rules */
 918         if (!dimmed) {
 919                 dimmed = _invalid_clipboard_selected (win, rule);
 920         }
 921
 922         /* Check window specific dimming rules */
 923         if (MODEST_IS_MAIN_WINDOW (win)) {
 924                 if (!dimmed) {
 925                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 926                         if (dimmed)
 927                                 modest_dimming_rule_set_notification (rule, "");
 928                 }
 929                 if (!dimmed) {
 930                         dimmed = _selected_msg_sent_in_progress (win);
 931                         if (dimmed)
 932                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 933                 }
 934         }
 935
 936         return dimmed;
 937 }
 938
 939 gboolean
 940 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 941 {
 942         ModestDimmingRule *rule = NULL;
 943         gboolean dimmed = FALSE;
 944
 945         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 946         rule = MODEST_DIMMING_RULE (user_data);
 947
 948         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 949
 950         /* Check dimmed rule */
 951         if (!dimmed) {
 952                 dimmed = _transfer_mode_enabled (win);
 953                 if (dimmed)
 954                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 955         }
 956         if (!dimmed) {
 957                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 958                 if (dimmed)
 959                         modest_dimming_rule_set_notification (rule, "");
 960         }
 961
 962         return dimmed;
 963 }
 964
 965 gboolean
 966 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 967 {
 968         ModestDimmingRule *rule = NULL;
 969         gboolean dimmed = FALSE;
 970
 971         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 972         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 973         rule = MODEST_DIMMING_RULE (user_data);
 974
 975         /* Check dimmed rule */
 976         if (!dimmed) {
 977                 dimmed = _transfer_mode_enabled (win);
 978                 if (dimmed)
 979                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 980         }
 981         if (!dimmed) {
 982                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 983                 if (dimmed)
 984                         modest_dimming_rule_set_notification (rule, "");
 985         }
 986
 987         return dimmed;
 988 }
 989
 990
 991 gboolean
 992 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 993 {
 994         const gboolean dimmed =
 995                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 996                         TRUE);
 997
 998         return dimmed;
 999 }
1000
1001 gboolean
1002 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1003 {
1004         ModestDimmingRule *rule = NULL;
1005         TnyFolderType types[1];
1006         guint n_messages = 0;
1007         gboolean dimmed = FALSE;
1008
1009         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1010         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1011         rule = MODEST_DIMMING_RULE (user_data);
1012
1013         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1014
1015         /* Check dimmed rules */
1016         if (!dimmed) {
1017                 dimmed = _already_opened_msg (win, &n_messages);
1018                 if (dimmed)
1019                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1020         }
1021         if (!dimmed) {
1022                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1023                 if (dimmed)
1024                         modest_dimming_rule_set_notification (rule, "");
1025         }
1026         if (!dimmed) {
1027                 dimmed = !_sending_in_progress (win);
1028                 if (dimmed)
1029                         modest_dimming_rule_set_notification (rule, "");
1030         }
1031
1032         return dimmed;
1033 }
1034
1035 gboolean
1036 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1037 {
1038         ModestDimmingRule *rule = NULL;
1039         gboolean dimmed = FALSE;
1040
1041         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1042         rule = MODEST_DIMMING_RULE (user_data);
1043
1044         /* Check dimmed rule */
1045         if (!dimmed) {
1046                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1047                                                           TRUE);
1048                 if (dimmed)
1049                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1050         }
1051
1052         return dimmed;
1053 }
1054
1055 gboolean
1056 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1057 {
1058         ModestDimmingRule *rule = NULL;
1059         gboolean dimmed = FALSE;
1060
1061         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1062         rule = MODEST_DIMMING_RULE (user_data);
1063
1064         /* Check dimmed rule */
1065         if (!dimmed) {
1066                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1067                 gchar *selection = NULL;
1068                 selection = gtk_clipboard_wait_for_text (clipboard);
1069
1070                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
1071         }
1072
1073         return dimmed;
1074 }
1075
1076 /* *********************** static utility functions ******************** */
1077
1078 static gboolean
1079 _marked_as_deleted (ModestWindow *win)
1080 {
1081         gboolean result = FALSE;
1082         TnyHeaderFlags flags;
1083
1084         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1085
1086         flags = TNY_HEADER_FLAG_DELETED;
1087
1088         /* Check dimmed rule */
1089         result = _selected_msg_marked_as (win, flags, FALSE);
1090
1091         return result;
1092 }
1093
1094 static gboolean
1095 _selected_folder_not_writeable (ModestMainWindow *win)
1096 {
1097         GtkWidget *folder_view = NULL;
1098         TnyFolderStore *parent_folder = NULL;
1099         ModestTnyFolderRules rules;
1100         gboolean result = FALSE;
1101
1102         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1103
1104         /* Get folder view */
1105         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1106                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1107         /* If no folder view, always dimmed */
1108         if (!folder_view)
1109                 return TRUE;
1110
1111         /* Get selected folder as parent of new folder to create */
1112         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1113         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1114                 if (parent_folder)
1115                         g_object_unref (parent_folder);
1116                 return TRUE;
1117         }
1118
1119         /* Check dimmed rule */
1120         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1121         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1122
1123         /* free */
1124         g_object_unref (parent_folder);
1125
1126         return result;
1127 }
1128
1129 static gboolean
1130 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1131 {
1132         TnyFolderType types[2];
1133         gboolean result = FALSE;
1134
1135         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1136
1137         types[0] = TNY_FOLDER_TYPE_ROOT;
1138         types[1] = TNY_FOLDER_TYPE_INBOX;
1139
1140         /* Check folder type */
1141         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1142
1143         /* Check pop and MMC accounts */
1144         if (!result) {
1145                 result = _selected_folder_is_MMC_or_POP_root (win);
1146         }
1147
1148         return result;
1149 }
1150
1151
1152 static gboolean
1153 _selected_folder_is_root (ModestMainWindow *win)
1154 {
1155         TnyFolderType types[1];
1156         gboolean result = FALSE;
1157
1158         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1159
1160         types[0] = TNY_FOLDER_TYPE_ROOT;
1161
1162         /* Check folder type */
1163         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1164
1165         /* Check pop and MMC accounts */
1166         if (!result) {
1167                 result = _selected_folder_is_MMC_or_POP_root (win);
1168         }
1169
1170         return result;
1171 }
1172
1173 static gboolean
1174 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1175 {
1176         GtkWidget *folder_view = NULL;
1177         TnyFolderStore *parent_folder = NULL;
1178         gboolean result = FALSE;
1179
1180         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1181                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1182         /* Get selected folder as parent of new folder to create */
1183         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1184         if (!parent_folder)
1185                 return TRUE;
1186
1187         if (TNY_IS_ACCOUNT (parent_folder)) {
1188                 /* If it's the local account then do not dim */
1189                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1190                         result = FALSE;
1191                 } else {
1192                                 /* If it's the MMC root folder then dim it */
1193                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1194                                         result = TRUE;
1195                         } else {
1196                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1197                                 /* If it's POP then dim */
1198                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1199                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1200                         }
1201                 }
1202         }
1203         g_object_unref (parent_folder);
1204
1205         return result;
1206 }
1207
1208
1209
1210
1211 static gboolean
1212 _selected_folder_is_empty (ModestMainWindow *win)
1213 {
1214         GtkWidget *folder_view = NULL;
1215         TnyFolderStore *folder = NULL;
1216         gboolean result = FALSE;
1217
1218         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1219
1220         /* Get folder view */
1221         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1222                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1223         /* If no folder view, always dimmed */
1224         if (!folder_view)
1225                 return TRUE;
1226
1227         /* Get selected folder as parent of new folder to create */
1228         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1229         if (!(folder && TNY_IS_FOLDER(folder))) {
1230                 if (folder)
1231                         g_object_unref (folder);
1232                 return TRUE;
1233         }
1234
1235         /* Check folder type */
1236         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1237
1238         /* free */
1239         g_object_unref (folder);
1240
1241         return result;
1242 }
1243
1244 static gboolean
1245 _selected_folder_is_same_as_source (ModestWindow *win)
1246 {
1247         ModestEmailClipboard *clipboard = NULL;
1248         GtkWidget *folder_view = NULL;
1249         TnyFolderStore *folder = NULL;
1250         gboolean result = FALSE;
1251
1252         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1253
1254         /* Get folder view */
1255         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1256                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1257         if (!folder_view)
1258                 return FALSE;
1259
1260         /* Get selected folder as destination folder */
1261         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1262         if (!(folder && TNY_IS_FOLDER(folder))) {
1263                 result = FALSE;
1264                 goto frees;
1265         }
1266
1267         /* Check clipboard is cleared */
1268         clipboard = modest_runtime_get_email_clipboard ();
1269         if (modest_email_clipboard_cleared (clipboard)) {
1270                 result = FALSE;
1271                 goto frees;
1272         }
1273
1274         /* Check source folder */
1275         result = modest_email_clipboard_check_source_folder (clipboard,
1276                                                              (const TnyFolder *) folder);
1277
1278         /* Free */
1279  frees:
1280         g_object_unref (folder);
1281
1282         return result;
1283 }
1284
1285 static gboolean
1286 _selected_folder_is_any_of_type (ModestWindow *win,
1287                                  TnyFolderType types[],
1288                                  guint ntypes)
1289 {
1290         GtkWidget *folder_view = NULL;
1291         TnyFolderStore *folder = NULL;
1292         TnyFolderType folder_type;
1293         guint i=0;
1294         gboolean result = FALSE;
1295
1296         /*Get curent folder */
1297         if (MODEST_IS_MAIN_WINDOW(win)) {
1298
1299                 /* Get folder view */
1300                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1301                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1302                 /* If no folder view, always dimmed */
1303                 if (!folder_view)
1304                         return TRUE;
1305
1306                 /* Get selected folder as parent of new folder to create */
1307                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1308
1309                 if (!(folder && TNY_IS_FOLDER(folder))) {
1310                         if (folder)
1311                                 g_object_unref (folder);
1312                         return TRUE;
1313                 }
1314
1315                 /* Check folder type */
1316                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1317         }
1318         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1319                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1320                 for (i=0; i < ntypes; i++) {
1321                         result = result || folder_type == types[i];
1322                 }
1323         }
1324
1325
1326         /* free */
1327         g_object_unref (folder);
1328
1329         return result;
1330 }
1331
1332 static gboolean
1333 _folder_is_any_of_type (TnyFolder *folder,
1334                         TnyFolderType types[],
1335                         guint ntypes)
1336 {
1337         TnyFolderType folder_type;
1338         gboolean result = FALSE;
1339         guint i;
1340
1341         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1342
1343         /* Get folder type */
1344         if (modest_tny_folder_is_local_folder (folder))
1345                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1346         else
1347                 folder_type = modest_tny_folder_guess_folder_type (folder);
1348
1349         /* Check foler type */
1350         for (i=0; i < ntypes; i++) {
1351                 result = result || folder_type == types[i];
1352         }
1353
1354         return result;
1355 }
1356
1357 static gboolean
1358 _selected_folder_is_snd_level (ModestMainWindow *win)
1359 {
1360         GtkWidget *folder_view = NULL;
1361         GtkTreeSelection *sel = NULL;
1362         GtkTreeModel *model = NULL;
1363         GtkTreePath *path = NULL;
1364         GtkTreeIter iter;
1365         TnyFolderStore *folder = NULL;
1366         gboolean result = FALSE;
1367
1368         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1369
1370         /*Get curent folder */
1371         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1372                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1373         /* If no folder view, always dimmed */
1374         if (!folder_view)
1375                 goto frees;
1376
1377         /* Get selected folder as parent of new folder to create */
1378         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1379         if (!(folder && TNY_IS_FOLDER(folder))) {
1380                 goto frees;
1381         }
1382
1383         /* Check folder level */
1384         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1385         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1386                 goto frees;
1387         path = gtk_tree_model_get_path (model, &iter);
1388         result = gtk_tree_path_get_depth (path) > 2;
1389
1390  frees:
1391         if (folder != NULL)
1392                 g_object_unref (folder);
1393         if (path != NULL)
1394                 gtk_tree_path_free (path);
1395
1396         return result;
1397
1398 }
1399
1400 static gboolean
1401 _clipboard_is_empty (ModestWindow *win)
1402 {
1403         gboolean result = FALSE;
1404
1405         if (MODEST_IS_MAIN_WINDOW (win)) {
1406                 ModestEmailClipboard *clipboard = NULL;
1407                 clipboard = modest_runtime_get_email_clipboard ();
1408                 if (modest_email_clipboard_cleared (clipboard))
1409                  result = TRUE;
1410         }
1411
1412         return result;
1413 }
1414
1415 static gboolean
1416 _invalid_clipboard_selected (ModestWindow *win,
1417                        ModestDimmingRule *rule)
1418 {
1419         gboolean result = FALSE;
1420
1421         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1422                 GtkClipboard *clipboard = NULL;
1423                 gchar *selection = NULL;
1424                 GtkWidget *focused = NULL;
1425
1426                 /* Get clipboard selection*/
1427                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1428                 selection = gtk_clipboard_wait_for_text (clipboard);
1429
1430                 /* Get focuesed widget */
1431                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1432
1433                 /* Check dimming */
1434                 result = ((selection == NULL) ||
1435                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1436
1437                 if (result)
1438                         modest_dimming_rule_set_notification (rule, _(""));
1439         }
1440         else if (MODEST_IS_MAIN_WINDOW (win)) {
1441                 GtkWidget *header_view = NULL;
1442
1443                 /* Get header view to check selected messages */
1444                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1445                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1446
1447                 /* Check dimming */
1448                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1449                 if (result)
1450                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1451         }
1452
1453         return result;
1454 }
1455
1456
1457 static gboolean
1458 _invalid_attach_selected (ModestWindow *win,
1459                           gboolean unique,
1460                           gboolean for_view,
1461                           ModestDimmingRule *rule)
1462 {
1463         GList *attachments, *node;
1464         gint n_selected;
1465         TnyHeaderFlags flags;
1466         gboolean nested_attachments = FALSE;
1467         gboolean selected_messages = FALSE;
1468         gboolean result = FALSE;
1469
1470         if (MODEST_IS_MAIN_WINDOW (win)) {
1471                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1472                 if (!result)
1473                         result = _selected_msg_marked_as (win, flags, TRUE);
1474         }
1475         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1476
1477                 /* Get selected atachments */
1478                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1479                 n_selected = g_list_length (attachments);
1480
1481                 /* Check unique */
1482                 if (!result) {
1483                         if (unique)
1484                                 result = n_selected != 1;
1485                         else
1486
1487                                 result = n_selected < 1;
1488                 }
1489
1490                 /* Check attached type (view operation not required) */
1491                 if (!result && !for_view)  {
1492                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1493                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1494                                 TnyList *nested_list = tny_simple_list_new ();
1495                                 if (TNY_IS_MSG (mime_part)) {
1496                                         selected_messages = TRUE;
1497                                         result = TRUE;
1498                                 }
1499                                 tny_mime_part_get_parts (mime_part, nested_list);
1500                                 if (tny_list_get_length (nested_list) > 0) {
1501                                 nested_attachments = TRUE;
1502                                 result = TRUE;
1503                                 }
1504                                 g_object_unref (nested_list);
1505                         }
1506                 }
1507
1508                 /* Set notifications */
1509                 if (result && rule != NULL) {
1510                         if (selected_messages) {
1511                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1512                         } else if (nested_attachments) {
1513                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1514                         } else if (n_selected == 0) {
1515                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1516                         } else if (unique) {
1517                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1518                         }
1519                 }
1520
1521                 /* Free */
1522                 g_list_free (attachments);
1523         }
1524
1525         return result;
1526 }
1527
1528 static gboolean
1529 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1530 {
1531         GList *attachments = NULL, *node;
1532         gint purged = 0;
1533         gint n_attachments = 0;
1534         gboolean result = FALSE;
1535
1536         /* This should check if _all_ the attachments are already purged. If only some
1537          * of them are purged, then it does not cause dim as there's a confirmation dialog
1538          * for removing only local attachments */
1539
1540         /* Get selected atachments */
1541         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1542                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1543         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1544                 /* If we're in main window, we won't know if there are already purged attachments */
1545                 return FALSE;
1546         }
1547
1548         if (attachments == NULL)
1549                 return FALSE;
1550
1551         for (node = attachments; node != NULL; node = g_list_next (node)) {
1552                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1553                 if (tny_mime_part_is_purged (mime_part)) {
1554                         purged++;
1555                 }
1556                 n_attachments++;
1557         }
1558
1559         /* Free */
1560         g_list_free (attachments);
1561
1562         if (all)
1563                 result = (purged == n_attachments);
1564         else
1565                 result = (purged > 0);
1566
1567         if (result && (rule != NULL))
1568                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1569
1570         return result;
1571 }
1572
1573 static gboolean
1574 _invalid_msg_selected (ModestMainWindow *win,
1575                        gboolean unique,
1576                        ModestDimmingRule *rule)
1577 {
1578         GtkWidget *header_view = NULL;
1579         GtkWidget *folder_view = NULL;
1580         gboolean selected_headers = FALSE;
1581         gboolean result = FALSE;
1582
1583         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1584         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1585
1586         /* Get header view to check selected messages */
1587         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1588                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1589
1590         /* Get folder view to check focus */
1591         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1592                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1593
1594         /* Get selected headers */
1595         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1596
1597         /* Check dimmed rule (TODO: check focus on widgets */
1598         if (!result) {
1599                 result = ((!selected_headers) ||
1600                           (gtk_widget_is_focus (folder_view)));
1601                 if (result)
1602                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1603         }
1604         if (!result && unique) {
1605                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1606                 if (result)
1607                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1608         }
1609
1610         return result;
1611 }
1612
1613 static gboolean
1614 _already_opened_msg (ModestWindow *win,
1615                      guint *n_messages)
1616 {
1617         //ModestWindow *window = NULL;
1618         ModestWindowMgr *mgr = NULL;
1619         GtkWidget *header_view = NULL;
1620         TnyList *selected_headers = NULL;
1621         TnyIterator *iter = NULL;
1622         TnyHeader *header = NULL;
1623         gboolean found;
1624
1625         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1626
1627         /* Get header view to check selected messages */
1628         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1629                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1630
1631
1632         /* Check no selection */
1633         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1634             return FALSE;
1635
1636         /* Get selected headers */
1637         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1638         if (selected_headers == NULL)
1639                 return FALSE;
1640
1641         *n_messages = tny_list_get_length (selected_headers);
1642
1643         /* Check dimmed rule (TODO: check focus on widgets */
1644         mgr = modest_runtime_get_window_mgr ();
1645         iter = tny_list_create_iterator (selected_headers);
1646         found = FALSE;
1647         while (!tny_iterator_is_done (iter)) {
1648                 header = TNY_HEADER (tny_iterator_get_current (iter));
1649                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1650
1651                 g_object_unref (header);
1652                 tny_iterator_next (iter);
1653
1654                 if (found)
1655                         break;
1656         }
1657
1658         /* free */
1659         if (selected_headers != NULL)
1660                 g_object_unref (selected_headers);
1661         if (iter != NULL)
1662                 g_object_unref (iter);
1663
1664         return found;
1665 }
1666
1667 static gboolean
1668 _selected_msg_marked_as (ModestWindow *win,
1669                          TnyHeaderFlags mask,
1670                          gboolean opposite)
1671 {
1672         GtkWidget *header_view = NULL;
1673         TnyList *selected_headers = NULL;
1674         TnyIterator *iter = NULL;
1675         TnyHeader *header = NULL;
1676         TnyHeaderFlags flags;
1677         gboolean result = FALSE;
1678
1679         /* Get header view to check selected messages */
1680         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1681                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1682
1683         /* Check no selection */
1684         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1685             return TRUE;
1686
1687         /* Get selected headers */
1688         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1689         if (selected_headers == NULL)
1690                 return TRUE;
1691
1692         /* Call the function for each header */
1693         iter = tny_list_create_iterator (selected_headers);
1694         while (!tny_iterator_is_done (iter) && !result) {
1695                 header = TNY_HEADER (tny_iterator_get_current (iter));
1696
1697                 flags = tny_header_get_flags (header);
1698                 if (opposite)
1699                         result = (flags & mask) == 0;
1700                 else
1701                         result = (flags & mask) != 0;
1702
1703                 g_object_unref (header);
1704                 tny_iterator_next (iter);
1705         }
1706
1707         /* free */
1708         if (selected_headers != NULL)
1709                 g_object_unref (selected_headers);
1710         if (iter != NULL)
1711                 g_object_unref (iter);
1712
1713         return result;
1714 }
1715
1716 static gboolean
1717 _msg_download_in_progress (ModestMsgViewWindow *win)
1718 {
1719         gboolean result = FALSE;
1720
1721         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1722
1723         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1724
1725         return result;
1726 }
1727
1728 static gboolean
1729 _msg_download_completed (ModestMainWindow *win)
1730 {
1731         GtkWidget *header_view = NULL;
1732         TnyList *selected_headers = NULL;
1733         TnyIterator *iter = NULL;
1734         TnyHeader *header = NULL;
1735         TnyHeaderFlags flags;
1736         gboolean result = FALSE;
1737
1738         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1739
1740
1741         /* Get header view to check selected messages */
1742         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1743                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1744
1745         /* Check no selection */
1746         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1747             return TRUE;
1748
1749         /* Get selected headers */
1750         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1751         if (selected_headers == NULL)
1752                 return TRUE;
1753
1754         /* Check dimmed rule  */
1755         result = TRUE;
1756         iter = tny_list_create_iterator (selected_headers);
1757         while (!tny_iterator_is_done (iter) && result) {
1758                 header = TNY_HEADER (tny_iterator_get_current (iter));
1759
1760                 flags = tny_header_get_flags (header);
1761                 /* TODO: is this the right flag?, it seems that some
1762                    headers that have been previously downloaded do not
1763                    come with it */
1764                 result = (flags & TNY_HEADER_FLAG_CACHED);
1765
1766                 g_object_unref (header);
1767                 tny_iterator_next (iter);
1768         }
1769
1770         g_object_unref (iter);
1771
1772         return result;
1773 }
1774
1775 static gboolean
1776 _selected_msg_sent_in_progress (ModestWindow *win)
1777 {
1778         ModestTnySendQueue *send_queue = NULL;
1779         GtkWidget *header_view = NULL;
1780         ModestTnyAccountStore *acc_store = NULL;
1781         TnyAccount *account = NULL;
1782         TnyList *header_list = NULL;
1783         TnyIterator *iter = NULL;
1784         TnyHeader *header = NULL;
1785         const gchar *account_name = NULL;
1786         gboolean result = FALSE;
1787         gchar *id = NULL;
1788
1789         /* Get transport account */
1790         acc_store = modest_runtime_get_account_store();
1791         account_name = modest_window_get_active_account (win);
1792
1793         /* If no account defined, this action must be always dimmed  */
1794         if (account_name == NULL) return FALSE;
1795         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1796         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1797
1798         /* Get send queue for current ransport account */
1799         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1800         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1801
1802         if (MODEST_IS_MAIN_WINDOW(win)) {
1803
1804                 /* Get header view to check selected messages */
1805                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1806                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1807
1808                 /* Check no selection */
1809                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1810                     return FALSE;
1811
1812                 /* Get selected headers */
1813                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1814
1815                 /* Get message header */
1816                 if (!header_list) return FALSE;
1817                 iter = tny_list_create_iterator (header_list);
1818                 header = TNY_HEADER (tny_iterator_get_current (iter));
1819
1820                 /* Get message id */
1821                 id = g_strdup(tny_header_get_message_id (header));
1822
1823         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1824
1825                 /* Get message header */
1826                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1827
1828                 /* Get message id */
1829                 id = g_strdup(tny_header_get_message_id (header));
1830         }
1831
1832         /* Check if msg id is being processed inside send queue */
1833         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1834
1835         /* Free */
1836         g_free(id);
1837         g_object_unref (header);
1838         g_object_unref(header_list);
1839         g_object_unref(iter);
1840
1841         return result;
1842 }
1843
1844
1845 static gboolean
1846 _sending_in_progress (ModestWindow *win)
1847 {
1848         gboolean result = FALSE;
1849
1850         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1851
1852         /* Check if send operation is in progress */
1853         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1854
1855         return result;
1856 }
1857
1858 static gboolean
1859 _invalid_folder_for_purge (ModestWindow *win,
1860                            ModestDimmingRule *rule)
1861 {
1862         TnyMsg *msg = NULL;
1863         TnyFolder *folder = NULL;
1864         TnyAccount *account = NULL;
1865         gboolean result = FALSE;
1866
1867         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1868
1869                 /* Get folder and account of message */
1870                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1871                 g_return_val_if_fail(msg != NULL, TRUE);
1872                 folder = tny_msg_get_folder (msg);
1873                 if (folder == NULL) {
1874                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1875                         goto frees;
1876                 }
1877                 g_object_unref (msg);
1878         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1879                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1880                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1881                 if (!folder_view)
1882                         return FALSE;
1883                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1884                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1885                         return FALSE;
1886                 g_object_ref (folder);
1887
1888         } else {
1889                 g_return_val_if_reached (FALSE);
1890         }
1891         account = modest_tny_folder_get_account (folder);
1892         if (account == NULL) goto frees;
1893
1894         /* Check account */
1895         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1896                 TnyFolderType types[2];
1897                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1898                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1899
1900                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1901                         result = TRUE;
1902                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1903                 } else {
1904                         /* We're currently disabling purge in any local store */
1905                         result = TRUE;
1906                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1907                 }
1908         } else {
1909                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1910                 /* If it's POP then dim */
1911                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1912                     MODEST_PROTOCOL_STORE_POP) {
1913                         GList *attachments;
1914                         gint n_selected;
1915                         result = TRUE;
1916                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1917                         n_selected = g_list_length (attachments);
1918                         g_list_free (attachments);
1919
1920                         modest_dimming_rule_set_notification (rule,
1921                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1922                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1923                                                                         n_selected));
1924                 }
1925         }
1926
1927 frees:
1928         if (folder != NULL)
1929                 g_object_unref (folder);
1930         if (account != NULL)
1931                 g_object_unref (account);
1932
1933         return result;
1934 }
1935
1936 static gboolean
1937 _transfer_mode_enabled (ModestWindow *win)
1938 {
1939         gboolean result = FALSE;
1940
1941         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1942
1943         /* Check dimming */
1944         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1945
1946         return result;
1947 }