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         gboolean dimmed = FALSE;
 616
 617         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 618         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 619         rule = MODEST_DIMMING_RULE (user_data);
 620
 621         /* Get the folder view */
 622         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 623                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 624
 625         /* Get header view */
 626         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 627                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 628
 629         /* Check diming rules for folders and messages transfer  */
 630         if (!dimmed) {
 631                 if (!gtk_widget_is_focus (folder_view))
 632                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 633
 634         }
 635
 636         return dimmed;
 637 }
 638
 639 gboolean
 640 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 641 {
 642         ModestDimmingRule *rule = NULL;
 643         gboolean dimmed = FALSE;
 644
 645         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 646         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 647         rule = MODEST_DIMMING_RULE (user_data);
 648
 649         /* Check dimmed rule */
 650         if (!dimmed) {
 651                 dimmed = _transfer_mode_enabled (win);
 652                 if (dimmed)
 653                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 654         }
 655         if (!dimmed) {
 656                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 657                 if (dimmed)
 658                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 659         }
 660
 661         return dimmed;
 662 }
 663
 664 gboolean
 665 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 666 {
 667         ModestDimmingRule *rule = NULL;
 668         gboolean dimmed = FALSE;
 669
 670         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 671         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 672         rule = MODEST_DIMMING_RULE (user_data);
 673
 674         /* Check dimmed rule */
 675         if (!dimmed) {
 676                 dimmed = _transfer_mode_enabled (win);
 677                 if (dimmed)
 678                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 679         }
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 686 {
 687         ModestDimmingRule *rule = NULL;
 688         TnyFolderType types[3];
 689         gboolean dimmed = FALSE;
 690
 691         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 692         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 693         rule = MODEST_DIMMING_RULE (user_data);
 694
 695         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 696         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 697         types[2] = TNY_FOLDER_TYPE_SENT;
 698
 699         /* Check dimmed rule */
 700         if (!dimmed) {
 701                 dimmed = _clipboard_is_empty (win);
 702                 if (dimmed)
 703                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 704         }
 705         if (!dimmed) {
 706                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 707                 if (dimmed)
 708                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 709         }
 710         if (!dimmed) {
 711                 dimmed = _selected_folder_is_same_as_source (win);
 712                 if (dimmed)
 713                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 714         }
 715
 716         return dimmed;
 717 }
 718
 719
 720 gboolean
 721 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 722 {
 723         ModestDimmingRule *rule = NULL;
 724         gboolean dimmed = FALSE;
 725
 726         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 727         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 728         rule = MODEST_DIMMING_RULE (user_data);
 729
 730         /* Check dimmed rule */
 731         if (!dimmed) {
 732                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 733                 if (dimmed)
 734                         modest_dimming_rule_set_notification (rule, "");
 735         }
 736
 737         return dimmed;
 738 }
 739
 740 gboolean
 741 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 742 {
 743         ModestDimmingRule *rule = NULL;
 744         gboolean dimmed = FALSE;
 745
 746         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 747         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 748         rule = MODEST_DIMMING_RULE (user_data);
 749
 750         /* Check dimmed rule */
 751         if (!dimmed)
 752                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 753
 754         if (!dimmed) {
 755                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 756                 if (dimmed) {
 757                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 758                 }
 759         }
 760
 761         return dimmed;
 762 }
 763
 764 gboolean
 765 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 766 {
 767         ModestDimmingRule *rule = NULL;
 768         gboolean dimmed = FALSE;
 769
 770         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 771         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 772         rule = MODEST_DIMMING_RULE (user_data);
 773
 774         /* Check dimmed rule */
 775         if (!dimmed)
 776                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 777
 778         if (!dimmed) {
 779                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 780                 if (dimmed) {
 781                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 782                 }
 783         }
 784
 785         return dimmed;
 786 }
 787
 788 gboolean
 789 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 790 {
 791         ModestDimmingRule *rule = NULL;
 792         gboolean dimmed = FALSE;
 793
 794         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 795         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 796         rule = MODEST_DIMMING_RULE (user_data);
 797
 798         /* Check in main window if there's only one message selected */
 799         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 800                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 801         }
 802
 803         /* Check in view window if there's any attachment selected */
 804         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 805                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 806                 if (dimmed)
 807                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 808         }
 809
 810         /* cannot purge in editable drafts nor pop folders */
 811         if (!dimmed) {
 812                 dimmed = _invalid_folder_for_purge (win, rule);
 813         }
 814
 815         /* Check if the selected message in main window has attachments */
 816         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 817                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 818                 if (dimmed)
 819                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 820         }
 821
 822         /* Check if all attachments are already purged */
 823         if (!dimmed) {
 824                 dimmed = _purged_attach_selected (win, TRUE, rule);
 825         }
 826
 827         /* Check if the message is already downloaded */
 828         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 829                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 830                 if (dimmed)
 831                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 832         }
 833
 834
 835         return dimmed;
 836 }
 837
 838 gboolean
 839 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 840 {
 841         ModestDimmingRule *rule = NULL;
 842         gboolean dimmed = FALSE;
 843
 844         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 845         rule = MODEST_DIMMING_RULE (user_data);
 846
 847         /* Check dimmed rule */
 848         if (!dimmed) {
 849                 dimmed = _clipboard_is_empty (win);
 850                 if (dimmed)
 851                         modest_dimming_rule_set_notification (rule, "");
 852         }
 853
 854         return dimmed;
 855 }
 856
 857 gboolean
 858 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 859 {
 860         ModestDimmingRule *rule = NULL;
 861         gboolean dimmed = FALSE;
 862
 863         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 864         rule = MODEST_DIMMING_RULE (user_data);
 865
 866         /* Check common dimming rules */
 867         if (!dimmed) {
 868                 dimmed = _invalid_clipboard_selected (win, rule);
 869         }
 870
 871         /* Check window specific dimming rules */
 872         if (MODEST_IS_MAIN_WINDOW (win)) {
 873                 if (!dimmed) {
 874                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 875                         if (dimmed)
 876                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 877                 }
 878                 if (!dimmed) {
 879                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 880                         if (dimmed)
 881                                 modest_dimming_rule_set_notification (rule, "");
 882                 }
 883                 if (!dimmed) {
 884                         dimmed = _selected_msg_sent_in_progress (win);
 885                         if (dimmed)
 886                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 887                 }
 888         }
 889
 890         return dimmed;
 891 }
 892
 893 gboolean
 894 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 895 {
 896         ModestDimmingRule *rule = NULL;
 897         gboolean dimmed = FALSE;
 898
 899         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 900         rule = MODEST_DIMMING_RULE (user_data);
 901
 902         /* Check common dimming rules */
 903         if (!dimmed) {
 904                 dimmed = _invalid_clipboard_selected (win, rule);
 905         }
 906
 907         /* Check window specific dimming rules */
 908         if (MODEST_IS_MAIN_WINDOW (win)) {
 909                 if (!dimmed) {
 910                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 911                         if (dimmed)
 912                                 modest_dimming_rule_set_notification (rule, "");
 913                 }
 914                 if (!dimmed) {
 915                         dimmed = _selected_msg_sent_in_progress (win);
 916                         if (dimmed)
 917                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 918                 }
 919         }
 920
 921         return dimmed;
 922 }
 923
 924 gboolean
 925 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 926 {
 927         ModestDimmingRule *rule = NULL;
 928         gboolean dimmed = FALSE;
 929
 930         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 931         rule = MODEST_DIMMING_RULE (user_data);
 932
 933         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 934
 935         /* Check dimmed rule */
 936         if (!dimmed) {
 937                 dimmed = _transfer_mode_enabled (win);
 938                 if (dimmed)
 939                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 940         }
 941         if (!dimmed) {
 942                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 943                 if (dimmed)
 944                         modest_dimming_rule_set_notification (rule, "");
 945         }
 946
 947         return dimmed;
 948 }
 949
 950 gboolean
 951 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 952 {
 953         ModestDimmingRule *rule = NULL;
 954         gboolean dimmed = FALSE;
 955
 956         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 957         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 958         rule = MODEST_DIMMING_RULE (user_data);
 959
 960         /* Check dimmed rule */
 961         if (!dimmed) {
 962                 dimmed = _transfer_mode_enabled (win);
 963                 if (dimmed)
 964                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 965         }
 966         if (!dimmed) {
 967                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 968                 if (dimmed)
 969                         modest_dimming_rule_set_notification (rule, "");
 970         }
 971
 972         return dimmed;
 973 }
 974
 975
 976 gboolean
 977 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 978 {
 979         const gboolean dimmed =
 980                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 981                         TRUE);
 982
 983         return dimmed;
 984 }
 985
 986 gboolean
 987 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
 988 {
 989         ModestDimmingRule *rule = NULL;
 990         TnyFolderType types[1];
 991         guint n_messages = 0;
 992         gboolean dimmed = FALSE;
 993
 994         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 995         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 996         rule = MODEST_DIMMING_RULE (user_data);
 997
 998         types[0] = TNY_FOLDER_TYPE_OUTBOX;
 999
1000         /* Check dimmed rules */
1001         if (!dimmed) {
1002                 dimmed = _already_opened_msg (win, &n_messages);
1003                 if (dimmed)
1004                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1005         }
1006         if (!dimmed) {
1007                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1008                 if (dimmed)
1009                         modest_dimming_rule_set_notification (rule, "");
1010         }
1011         if (!dimmed) {
1012                 dimmed = !_sending_in_progress (win);
1013                 if (dimmed)
1014                         modest_dimming_rule_set_notification (rule, "");
1015         }
1016
1017         return dimmed;
1018 }
1019
1020 gboolean
1021 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1022 {
1023         ModestDimmingRule *rule = NULL;
1024         gboolean dimmed = FALSE;
1025
1026         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1027         rule = MODEST_DIMMING_RULE (user_data);
1028
1029         /* Check dimmed rule */
1030         if (!dimmed) {
1031                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1032                                                           TRUE);
1033                 if (dimmed)
1034                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1035         }
1036
1037         return dimmed;
1038 }
1039
1040 gboolean
1041 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1042 {
1043         ModestDimmingRule *rule = NULL;
1044         gboolean dimmed = FALSE;
1045
1046         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1047         rule = MODEST_DIMMING_RULE (user_data);
1048
1049         /* Check dimmed rule */
1050         if (!dimmed) {
1051                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1052                 gchar *selection = NULL;
1053                 selection = gtk_clipboard_wait_for_text (clipboard);
1054
1055                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
1056         }
1057
1058         return dimmed;
1059 }
1060
1061 /* *********************** static utility functions ******************** */
1062
1063 static gboolean
1064 _marked_as_deleted (ModestWindow *win)
1065 {
1066         gboolean result = FALSE;
1067         TnyHeaderFlags flags;
1068
1069         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1070
1071         flags = TNY_HEADER_FLAG_DELETED;
1072
1073         /* Check dimmed rule */
1074         result = _selected_msg_marked_as (win, flags, FALSE);
1075
1076         return result;
1077 }
1078
1079 static gboolean
1080 _selected_folder_not_writeable (ModestMainWindow *win)
1081 {
1082         GtkWidget *folder_view = NULL;
1083         TnyFolderStore *parent_folder = NULL;
1084         ModestTnyFolderRules rules;
1085         gboolean result = FALSE;
1086
1087         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1088
1089         /* Get folder view */
1090         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1091                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1092         /* If no folder view, always dimmed */
1093         if (!folder_view)
1094                 return TRUE;
1095
1096         /* Get selected folder as parent of new folder to create */
1097         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1098         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1099                 if (parent_folder)
1100                         g_object_unref (parent_folder);
1101                 return TRUE;
1102         }
1103
1104         /* Check dimmed rule */
1105         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1106         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1107
1108         /* free */
1109         g_object_unref (parent_folder);
1110
1111         return result;
1112 }
1113
1114 static gboolean
1115 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1116 {
1117         TnyFolderType types[2];
1118         gboolean result = FALSE;
1119
1120         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1121
1122         types[0] = TNY_FOLDER_TYPE_ROOT;
1123         types[1] = TNY_FOLDER_TYPE_INBOX;
1124
1125         /* Check folder type */
1126         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1127
1128         /* Check pop and MMC accounts */
1129         if (!result) {
1130                 result = _selected_folder_is_MMC_or_POP_root (win);
1131         }
1132
1133         return result;
1134 }
1135
1136
1137 static gboolean
1138 _selected_folder_is_root (ModestMainWindow *win)
1139 {
1140         TnyFolderType types[1];
1141         gboolean result = FALSE;
1142
1143         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1144
1145         types[0] = TNY_FOLDER_TYPE_ROOT;
1146
1147         /* Check folder type */
1148         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1149
1150         /* Check pop and MMC accounts */
1151         if (!result) {
1152                 result = _selected_folder_is_MMC_or_POP_root (win);
1153         }
1154
1155         return result;
1156 }
1157
1158 static gboolean
1159 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1160 {
1161         GtkWidget *folder_view = NULL;
1162         TnyFolderStore *parent_folder = NULL;
1163         gboolean result = FALSE;
1164
1165         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1166                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1167         /* Get selected folder as parent of new folder to create */
1168         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1169         if (!parent_folder)
1170                 return TRUE;
1171
1172         if (TNY_IS_ACCOUNT (parent_folder)) {
1173                 /* If it's the local account then do not dim */
1174                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1175                         result = FALSE;
1176                 } else {
1177                                 /* If it's the MMC root folder then dim it */
1178                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1179                                         result = TRUE;
1180                         } else {
1181                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1182                                 /* If it's POP then dim */
1183                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1184                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1185                         }
1186                 }
1187         }
1188         g_object_unref (parent_folder);
1189
1190         return result;
1191 }
1192
1193
1194
1195
1196 static gboolean
1197 _selected_folder_is_empty (ModestMainWindow *win)
1198 {
1199         GtkWidget *folder_view = NULL;
1200         TnyFolderStore *folder = NULL;
1201         gboolean result = FALSE;
1202
1203         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1204
1205         /* Get folder view */
1206         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1207                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1208         /* If no folder view, always dimmed */
1209         if (!folder_view)
1210                 return TRUE;
1211
1212         /* Get selected folder as parent of new folder to create */
1213         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1214         if (!(folder && TNY_IS_FOLDER(folder))) {
1215                 if (folder)
1216                         g_object_unref (folder);
1217                 return TRUE;
1218         }
1219
1220         /* Check folder type */
1221         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1222
1223         /* free */
1224         g_object_unref (folder);
1225
1226         return result;
1227 }
1228
1229 static gboolean
1230 _selected_folder_is_same_as_source (ModestWindow *win)
1231 {
1232         ModestEmailClipboard *clipboard = NULL;
1233         GtkWidget *folder_view = NULL;
1234         TnyFolderStore *folder = NULL;
1235         gboolean result = FALSE;
1236
1237         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1238
1239         /* Get folder view */
1240         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1241                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1242         if (!folder_view)
1243                 return FALSE;
1244
1245         /* Get selected folder as destination folder */
1246         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1247         if (!(folder && TNY_IS_FOLDER(folder))) {
1248                 result = FALSE;
1249                 goto frees;
1250         }
1251
1252         /* Check clipboard is cleared */
1253         clipboard = modest_runtime_get_email_clipboard ();
1254         if (modest_email_clipboard_cleared (clipboard)) {
1255                 result = FALSE;
1256                 goto frees;
1257         }
1258
1259         /* Check source folder */
1260         result = modest_email_clipboard_check_source_folder (clipboard,
1261                                                              (const TnyFolder *) folder);
1262
1263         /* Free */
1264  frees:
1265         g_object_unref (folder);
1266
1267         return result;
1268 }
1269
1270 static gboolean
1271 _selected_folder_is_any_of_type (ModestWindow *win,
1272                                  TnyFolderType types[],
1273                                  guint ntypes)
1274 {
1275         GtkWidget *folder_view = NULL;
1276         TnyFolderStore *folder = NULL;
1277         TnyFolderType folder_type;
1278         guint i=0;
1279         gboolean result = FALSE;
1280
1281         /*Get curent folder */
1282         if (MODEST_IS_MAIN_WINDOW(win)) {
1283
1284                 /* Get folder view */
1285                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1286                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1287                 /* If no folder view, always dimmed */
1288                 if (!folder_view)
1289                         return TRUE;
1290
1291                 /* Get selected folder as parent of new folder to create */
1292                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1293
1294                 if (!(folder && TNY_IS_FOLDER(folder))) {
1295                         if (folder)
1296                                 g_object_unref (folder);
1297                         return TRUE;
1298                 }
1299
1300                 /* Check folder type */
1301                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1302         }
1303         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1304                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1305                 for (i=0; i < ntypes; i++) {
1306                         result = result || folder_type == types[i];
1307                 }
1308         }
1309
1310
1311         /* free */
1312         g_object_unref (folder);
1313
1314         return result;
1315 }
1316
1317 static gboolean
1318 _folder_is_any_of_type (TnyFolder *folder,
1319                         TnyFolderType types[],
1320                         guint ntypes)
1321 {
1322         TnyFolderType folder_type;
1323         gboolean result = FALSE;
1324         guint i;
1325
1326         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1327
1328         /* Get folder type */
1329         if (modest_tny_folder_is_local_folder (folder))
1330                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1331         else
1332                 folder_type = modest_tny_folder_guess_folder_type (folder);
1333
1334         /* Check foler type */
1335         for (i=0; i < ntypes; i++) {
1336                 result = result || folder_type == types[i];
1337         }
1338
1339         return result;
1340 }
1341
1342 static gboolean
1343 _selected_folder_is_snd_level (ModestMainWindow *win)
1344 {
1345         GtkWidget *folder_view = NULL;
1346         GtkTreeSelection *sel = NULL;
1347         GtkTreeModel *model = NULL;
1348         GtkTreePath *path = NULL;
1349         GtkTreeIter iter;
1350         TnyFolderStore *folder = NULL;
1351         gboolean result = FALSE;
1352
1353         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1354
1355         /*Get curent folder */
1356         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1357                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1358         /* If no folder view, always dimmed */
1359         if (!folder_view)
1360                 goto frees;
1361
1362         /* Get selected folder as parent of new folder to create */
1363         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1364         if (!(folder && TNY_IS_FOLDER(folder))) {
1365                 goto frees;
1366         }
1367
1368         /* Check folder level */
1369         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1370         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1371                 goto frees;
1372         path = gtk_tree_model_get_path (model, &iter);
1373         result = gtk_tree_path_get_depth (path) > 2;
1374
1375  frees:
1376         if (folder != NULL)
1377                 g_object_unref (folder);
1378         if (path != NULL)
1379                 gtk_tree_path_free (path);
1380
1381         return result;
1382
1383 }
1384
1385 static gboolean
1386 _clipboard_is_empty (ModestWindow *win)
1387 {
1388         gboolean result = FALSE;
1389
1390         if (MODEST_IS_MAIN_WINDOW (win)) {
1391                 ModestEmailClipboard *clipboard = NULL;
1392                 clipboard = modest_runtime_get_email_clipboard ();
1393                 if (modest_email_clipboard_cleared (clipboard))
1394                  result = TRUE;
1395         }
1396
1397         return result;
1398 }
1399
1400 static gboolean
1401 _invalid_clipboard_selected (ModestWindow *win,
1402                        ModestDimmingRule *rule)
1403 {
1404         gboolean result = FALSE;
1405
1406         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1407                 GtkClipboard *clipboard = NULL;
1408                 gchar *selection = NULL;
1409                 GtkWidget *focused = NULL;
1410
1411                 /* Get clipboard selection*/
1412                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1413                 selection = gtk_clipboard_wait_for_text (clipboard);
1414
1415                 /* Get focuesed widget */
1416                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1417
1418                 /* Check dimming */
1419                 result = ((selection == NULL) ||
1420                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1421
1422                 if (result)
1423                         modest_dimming_rule_set_notification (rule, _(""));
1424         }
1425         else if (MODEST_IS_MAIN_WINDOW (win)) {
1426                 GtkWidget *header_view = NULL;
1427
1428                 /* Get header view to check selected messages */
1429                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1430                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1431
1432                 /* Check dimming */
1433                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1434                 if (result)
1435                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1436         }
1437
1438         return result;
1439 }
1440
1441
1442 static gboolean
1443 _invalid_attach_selected (ModestWindow *win,
1444                           gboolean unique,
1445                           gboolean for_view,
1446                           ModestDimmingRule *rule)
1447 {
1448         GList *attachments, *node;
1449         gint n_selected;
1450         TnyHeaderFlags flags;
1451         gboolean nested_attachments = FALSE;
1452         gboolean selected_messages = FALSE;
1453         gboolean result = FALSE;
1454
1455         if (MODEST_IS_MAIN_WINDOW (win)) {
1456                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1457                 if (!result)
1458                         result = _selected_msg_marked_as (win, flags, TRUE);
1459         }
1460         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1461
1462                 /* Get selected atachments */
1463                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1464                 n_selected = g_list_length (attachments);
1465
1466                 /* Check unique */
1467                 if (!result) {
1468                         if (unique)
1469                                 result = n_selected != 1;
1470                         else
1471
1472                                 result = n_selected < 1;
1473                 }
1474
1475                 /* Check attached type (view operation not required) */
1476                 if (!result && !for_view)  {
1477                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1478                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1479                                 TnyList *nested_list = tny_simple_list_new ();
1480                                 if (TNY_IS_MSG (mime_part)) {
1481                                         selected_messages = TRUE;
1482                                         result = TRUE;
1483                                 }
1484                                 tny_mime_part_get_parts (mime_part, nested_list);
1485                                 if (tny_list_get_length (nested_list) > 0) {
1486                                 nested_attachments = TRUE;
1487                                 result = TRUE;
1488                                 }
1489                                 g_object_unref (nested_list);
1490                         }
1491                 }
1492
1493                 /* Set notifications */
1494                 if (result && rule != NULL) {
1495                         if (selected_messages) {
1496                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1497                         } else if (nested_attachments) {
1498                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1499                         } else if (n_selected == 0) {
1500                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1501                         } else if (unique) {
1502                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1503                         }
1504                 }
1505
1506                 /* Free */
1507                 g_list_free (attachments);
1508         }
1509
1510         return result;
1511 }
1512
1513 static gboolean
1514 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1515 {
1516         GList *attachments = NULL, *node;
1517         gint purged = 0;
1518         gint n_attachments = 0;
1519         gboolean result = FALSE;
1520
1521         /* This should check if _all_ the attachments are already purged. If only some
1522          * of them are purged, then it does not cause dim as there's a confirmation dialog
1523          * for removing only local attachments */
1524
1525         /* Get selected atachments */
1526         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1527                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1528         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1529                 /* If we're in main window, we won't know if there are already purged attachments */
1530                 return FALSE;
1531         }
1532
1533         if (attachments == NULL)
1534                 return FALSE;
1535
1536         for (node = attachments; node != NULL; node = g_list_next (node)) {
1537                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1538                 if (tny_mime_part_is_purged (mime_part)) {
1539                         purged++;
1540                 }
1541                 n_attachments++;
1542         }
1543
1544         /* Free */
1545         g_list_free (attachments);
1546
1547         if (all)
1548                 result = (purged == n_attachments);
1549         else
1550                 result = (purged > 0);
1551
1552         if (result && (rule != NULL))
1553                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1554
1555         return result;
1556 }
1557
1558 static gboolean
1559 _invalid_msg_selected (ModestMainWindow *win,
1560                        gboolean unique,
1561                        ModestDimmingRule *rule)
1562 {
1563         GtkWidget *header_view = NULL;
1564         GtkWidget *folder_view = NULL;
1565         gboolean selected_headers = FALSE;
1566         gboolean result = FALSE;
1567
1568         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1569         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1570
1571         /* Get header view to check selected messages */
1572         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1573                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1574
1575         /* Get folder view to check focus */
1576         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1577                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1578
1579         /* Get selected headers */
1580         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1581
1582         /* Check dimmed rule (TODO: check focus on widgets */
1583         if (!result) {
1584                 result = ((!selected_headers) ||
1585                           (gtk_widget_is_focus (folder_view)));
1586                 if (result)
1587                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1588         }
1589         if (!result && unique) {
1590                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1591                 if (result)
1592                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1593         }
1594
1595         return result;
1596 }
1597
1598 static gboolean
1599 _already_opened_msg (ModestWindow *win,
1600                      guint *n_messages)
1601 {
1602         //ModestWindow *window = NULL;
1603         ModestWindowMgr *mgr = NULL;
1604         GtkWidget *header_view = NULL;
1605         TnyList *selected_headers = NULL;
1606         TnyIterator *iter = NULL;
1607         TnyHeader *header = NULL;
1608         gboolean found;
1609
1610         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1611
1612         /* Get header view to check selected messages */
1613         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1614                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1615
1616
1617         /* Check no selection */
1618         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1619             return FALSE;
1620
1621         /* Get selected headers */
1622         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1623         if (selected_headers == NULL)
1624                 return FALSE;
1625
1626         *n_messages = tny_list_get_length (selected_headers);
1627
1628         /* Check dimmed rule (TODO: check focus on widgets */
1629         mgr = modest_runtime_get_window_mgr ();
1630         iter = tny_list_create_iterator (selected_headers);
1631         found = FALSE;
1632         while (!tny_iterator_is_done (iter)) {
1633                 header = TNY_HEADER (tny_iterator_get_current (iter));
1634                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1635
1636                 g_object_unref (header);
1637                 tny_iterator_next (iter);
1638
1639                 if (found)
1640                         break;
1641         }
1642
1643         /* free */
1644         if (selected_headers != NULL)
1645                 g_object_unref (selected_headers);
1646         if (iter != NULL)
1647                 g_object_unref (iter);
1648
1649         return found;
1650 }
1651
1652 static gboolean
1653 _selected_msg_marked_as (ModestWindow *win,
1654                          TnyHeaderFlags mask,
1655                          gboolean opposite)
1656 {
1657         GtkWidget *header_view = NULL;
1658         TnyList *selected_headers = NULL;
1659         TnyIterator *iter = NULL;
1660         TnyHeader *header = NULL;
1661         TnyHeaderFlags flags;
1662         gboolean result = FALSE;
1663
1664         /* Get header view to check selected messages */
1665         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1666                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1667
1668         /* Check no selection */
1669         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1670             return TRUE;
1671
1672         /* Get selected headers */
1673         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1674         if (selected_headers == NULL)
1675                 return TRUE;
1676
1677         /* Call the function for each header */
1678         iter = tny_list_create_iterator (selected_headers);
1679         while (!tny_iterator_is_done (iter) && !result) {
1680                 header = TNY_HEADER (tny_iterator_get_current (iter));
1681
1682                 flags = tny_header_get_flags (header);
1683                 if (opposite)
1684                         result = (flags & mask) == 0;
1685                 else
1686                         result = (flags & mask) != 0;
1687
1688                 g_object_unref (header);
1689                 tny_iterator_next (iter);
1690         }
1691
1692         /* free */
1693         if (selected_headers != NULL)
1694                 g_object_unref (selected_headers);
1695         if (iter != NULL)
1696                 g_object_unref (iter);
1697
1698         return result;
1699 }
1700
1701 static gboolean
1702 _msg_download_in_progress (ModestMsgViewWindow *win)
1703 {
1704         gboolean result = FALSE;
1705
1706         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1707
1708         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1709
1710         return result;
1711 }
1712
1713 static gboolean
1714 _msg_download_completed (ModestMainWindow *win)
1715 {
1716         GtkWidget *header_view = NULL;
1717         TnyList *selected_headers = NULL;
1718         TnyIterator *iter = NULL;
1719         TnyHeader *header = NULL;
1720         TnyHeaderFlags flags;
1721         gboolean result = FALSE;
1722
1723         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1724
1725
1726         /* Get header view to check selected messages */
1727         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1728                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1729
1730         /* Check no selection */
1731         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1732             return TRUE;
1733
1734         /* Get selected headers */
1735         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1736         if (selected_headers == NULL)
1737                 return TRUE;
1738
1739         /* Check dimmed rule  */
1740         result = TRUE;
1741         iter = tny_list_create_iterator (selected_headers);
1742         while (!tny_iterator_is_done (iter) && result) {
1743                 header = TNY_HEADER (tny_iterator_get_current (iter));
1744
1745                 flags = tny_header_get_flags (header);
1746                 /* TODO: is this the right flag?, it seems that some
1747                    headers that have been previously downloaded do not
1748                    come with it */
1749                 result = (flags & TNY_HEADER_FLAG_CACHED);
1750
1751                 g_object_unref (header);
1752                 tny_iterator_next (iter);
1753         }
1754
1755         g_object_unref (iter);
1756
1757         return result;
1758 }
1759
1760 static gboolean
1761 _selected_msg_sent_in_progress (ModestWindow *win)
1762 {
1763         ModestTnySendQueue *send_queue = NULL;
1764         GtkWidget *header_view = NULL;
1765         ModestTnyAccountStore *acc_store = NULL;
1766         TnyAccount *account = NULL;
1767         TnyList *header_list = NULL;
1768         TnyIterator *iter = NULL;
1769         TnyHeader *header = NULL;
1770         const gchar *account_name = NULL;
1771         gboolean result = FALSE;
1772         gchar *id = NULL;
1773
1774         /* Get transport account */
1775         acc_store = modest_runtime_get_account_store();
1776         account_name = modest_window_get_active_account (win);
1777
1778         /* If no account defined, this action must be always dimmed  */
1779         if (account_name == NULL) return FALSE;
1780         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1781         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1782
1783         /* Get send queue for current ransport account */
1784         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1785         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1786
1787         if (MODEST_IS_MAIN_WINDOW(win)) {
1788
1789                 /* Get header view to check selected messages */
1790                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1791                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1792
1793                 /* Check no selection */
1794                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1795                     return FALSE;
1796
1797                 /* Get selected headers */
1798                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1799
1800                 /* Get message header */
1801                 if (!header_list) return FALSE;
1802                 iter = tny_list_create_iterator (header_list);
1803                 header = TNY_HEADER (tny_iterator_get_current (iter));
1804
1805                 /* Get message id */
1806                 id = g_strdup(tny_header_get_message_id (header));
1807
1808         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1809
1810                 /* Get message header */
1811                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1812
1813                 /* Get message id */
1814                 id = g_strdup(tny_header_get_message_id (header));
1815         }
1816
1817         /* Check if msg id is being processed inside send queue */
1818         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1819
1820         /* Free */
1821         g_free(id);
1822         g_object_unref (header);
1823         g_object_unref(header_list);
1824         g_object_unref(iter);
1825
1826         return result;
1827 }
1828
1829
1830 static gboolean
1831 _sending_in_progress (ModestWindow *win)
1832 {
1833         gboolean result = FALSE;
1834
1835         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1836
1837         /* Check if send operation is in progress */
1838         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1839
1840         return result;
1841 }
1842
1843 static gboolean
1844 _invalid_folder_for_purge (ModestWindow *win,
1845                            ModestDimmingRule *rule)
1846 {
1847         TnyMsg *msg = NULL;
1848         TnyFolder *folder = NULL;
1849         TnyAccount *account = NULL;
1850         gboolean result = FALSE;
1851
1852         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1853
1854                 /* Get folder and account of message */
1855                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1856                 g_return_val_if_fail(msg != NULL, TRUE);
1857                 folder = tny_msg_get_folder (msg);
1858                 if (folder == NULL) {
1859                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1860                         goto frees;
1861                 }
1862                 g_object_unref (msg);
1863         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1864                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1865                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1866                 if (!folder_view)
1867                         return FALSE;
1868                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1869                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1870                         return FALSE;
1871                 g_object_ref (folder);
1872
1873         } else {
1874                 g_return_val_if_reached (FALSE);
1875         }
1876         account = modest_tny_folder_get_account (folder);
1877         if (account == NULL) goto frees;
1878
1879         /* Check account */
1880         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1881                 TnyFolderType types[2];
1882                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1883                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1884
1885                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1886                         result = TRUE;
1887                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1888                 } else {
1889                         /* We're currently disabling purge in any local store */
1890                         result = TRUE;
1891                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1892                 }
1893         } else {
1894                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1895                 /* If it's POP then dim */
1896                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1897                     MODEST_PROTOCOL_STORE_POP) {
1898                         GList *attachments;
1899                         gint n_selected;
1900                         result = TRUE;
1901                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1902                         n_selected = g_list_length (attachments);
1903                         g_list_free (attachments);
1904
1905                         modest_dimming_rule_set_notification (rule,
1906                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1907                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1908                                                                         n_selected));
1909                 }
1910         }
1911
1912 frees:
1913         if (folder != NULL)
1914                 g_object_unref (folder);
1915         if (account != NULL)
1916                 g_object_unref (account);
1917
1918         return result;
1919 }
1920
1921 static gboolean
1922 _transfer_mode_enabled (ModestWindow *win)
1923 {
1924         gboolean result = FALSE;
1925
1926         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1927
1928         /* Check dimming */
1929         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1930
1931         return result;
1932 }