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-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43
  44
  45 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  46 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  47 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  48 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  49 static gboolean _clipboard_is_empty (ModestWindow *win);
  50 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  51 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  52 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite, gboolean all);
  53 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  55 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  56 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  61 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  62 static gboolean _msg_download_completed (ModestMainWindow *win);
  63 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  64 static gboolean _sending_in_progress (ModestWindow *win);
  65 static gboolean _marked_as_deleted (ModestWindow *win);
  66 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  67 static gboolean _transfer_mode_enabled (ModestWindow *win);
  68
  69
  70 gboolean
  71 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  72 {
  73         ModestDimmingRule *rule = NULL;
  74         gboolean dimmed = FALSE;
  75
  76         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  77         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  78         rule = MODEST_DIMMING_RULE (user_data);
  79
  80         /* Check dimmed rule */
  81         if (!dimmed) {
  82                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
  83                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  84                 if (dimmed)
  85                         modest_dimming_rule_set_notification (rule, "");
  86         }
  87
  88         return dimmed;
  89 }
  90
  91 gboolean
  92 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  93 {
  94         ModestDimmingRule *rule = NULL;
  95         gboolean dimmed = FALSE;
  96
  97         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  98         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  99         rule = MODEST_DIMMING_RULE (user_data);
 100
 101         /* Check common new folder menu item dimming rules */
 102         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 103
 104         /* Check CSM specific dimming rules */
 105         if (!dimmed) {
 106                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 107                 if (dimmed)
 108                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 109         }
 110
 111         return dimmed;
 112 }
 113
 114 gboolean
 115 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 116 {
 117         ModestDimmingRule *rule = NULL;
 118         GtkWidget *folder_view = NULL;
 119         TnyFolderStore *parent_folder = NULL;
 120         gboolean dimmed = FALSE;
 121
 122         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 123         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 124         rule = MODEST_DIMMING_RULE (user_data);
 125
 126         /* Get selected folder as parent of new folder to create */
 127         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 128                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 129         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 130         if (!parent_folder)
 131                 return TRUE;
 132
 133         if (TNY_IS_ACCOUNT (parent_folder)) {
 134                 /* If it's the local account then do not dim */
 135                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 136                         dimmed = FALSE;
 137                 } else {
 138                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 139                         /* If it's POP then dim */
 140                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 141                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 142                         if (dimmed)
 143                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 144                 }
 145         } else {
 146                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 147
 148                 TnyFolderType types[3];
 149
 150                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 151                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 152                 types[2] = TNY_FOLDER_TYPE_SENT;
 153
 154                 /* Apply folder rules */
 155                 if (!dimmed) {
 156                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 157                         if (dimmed)
 158                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 159                 }
 160                 if (!dimmed) {
 161                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 162                         if (dimmed)
 163                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 164                 }
 165         }
 166         g_object_unref (parent_folder);
 167
 168         return dimmed;
 169 }
 170
 171 gboolean
 172 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 173 {
 174         ModestDimmingRule *rule = NULL;
 175         GtkWidget *folder_view = NULL;
 176         GtkWidget *header_view = NULL;
 177         gboolean dimmed = FALSE;
 178
 179         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 180         rule = MODEST_DIMMING_RULE (user_data);
 181
 182         if (MODEST_IS_MAIN_WINDOW (win)) {
 183                 /* Get the folder view */
 184                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 185                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 186
 187                 /* Get header view */
 188                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 189                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 190
 191                 if (header_view && gtk_widget_is_focus (header_view))
 192                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 193
 194                 if (folder_view && gtk_widget_is_focus (folder_view))
 195                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 196
 197                 if (header_view && folder_view &&
 198                     !gtk_widget_is_focus (header_view) &&
 199                     !gtk_widget_is_focus (folder_view)) {
 200                         dimmed = TRUE;
 201                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 202                 }
 203         } else {
 204                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 205         }
 206
 207         return dimmed;
 208 }
 209
 210
 211
 212 gboolean
 213 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 214 {
 215         ModestDimmingRule *rule = NULL;
 216         TnyFolderType types[6];
 217         gboolean dimmed = FALSE;
 218
 219         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 220         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 221         rule = MODEST_DIMMING_RULE (user_data);
 222
 223         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 224         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 225         types[2] = TNY_FOLDER_TYPE_SENT;
 226         types[3] = TNY_FOLDER_TYPE_INBOX;
 227         types[4] = TNY_FOLDER_TYPE_ROOT;
 228         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 229
 230
 231         /* Check dimmed rule */
 232         if (!dimmed) {
 233                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 234                 if (dimmed)
 235                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 236         }
 237         if (!dimmed) {
 238                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 239                 if (dimmed)
 240                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 241         }
 242         if (!dimmed) {
 243                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 244                 if (dimmed)
 245                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 246         }
 247         if (!dimmed) {
 248                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 249                 if (dimmed)
 250                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 251         }
 252
 253         return dimmed;
 254 }
 255
 256 gboolean
 257 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 258 {
 259         ModestDimmingRule *rule = NULL;
 260         gboolean dimmed = FALSE;
 261
 262         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 263         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 264         rule = MODEST_DIMMING_RULE (user_data);
 265
 266         /* Check dimmed rule */
 267         if (!dimmed) {
 268                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 269                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 270         }
 271
 272         if (!dimmed) {
 273                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 274                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 275         }
 276
 277         return dimmed;
 278
 279 }
 280
 281 gboolean
 282 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 283 {
 284         ModestDimmingRule *rule = NULL;
 285         TnyFolderType types[4];
 286         gboolean dimmed = FALSE;
 287
 288         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 289         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 290         rule = MODEST_DIMMING_RULE (user_data);
 291
 292         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 293         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 294         types[2] = TNY_FOLDER_TYPE_SENT;
 295         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 296
 297         /* Check dimmed rule */
 298         if (!dimmed) {
 299                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 300                 if (dimmed)
 301                         modest_dimming_rule_set_notification (rule, "");
 302         }
 303         if (!dimmed) {
 304                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 305                 if (dimmed)
 306                         modest_dimming_rule_set_notification (rule, "");
 307         }
 308         if (!dimmed) {
 309                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 310                 if (dimmed)
 311                         modest_dimming_rule_set_notification (rule, "");
 312         }
 313
 314         return dimmed;
 315 }
 316
 317 gboolean
 318 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 319 {
 320         ModestDimmingRule *rule = NULL;
 321         gboolean dimmed = FALSE;
 322
 323         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 324         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 325         rule = MODEST_DIMMING_RULE (user_data);
 326
 327         /* Check dimmed rule */
 328         if (!dimmed) {
 329                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 330         }
 331         if (!dimmed) {
 332                 dimmed = _marked_as_deleted (win);
 333                 if (dimmed)
 334                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 335         }
 336         if (!dimmed) {
 337                 dimmed = _selected_msg_sent_in_progress (win);
 338                 if (dimmed)
 339                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 340         }
 341
 342         return dimmed;
 343 }
 344
 345 gboolean
 346 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 347 {
 348         ModestDimmingRule *rule = NULL;
 349         gboolean dimmed = FALSE;
 350         TnyFolderType types[3];
 351
 352         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 353         rule = MODEST_DIMMING_RULE (user_data);
 354
 355         /* main window dimming rules */
 356         if (MODEST_IS_MAIN_WINDOW(win)) {
 357
 358                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 359                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 360                 types[2] = TNY_FOLDER_TYPE_ROOT;
 361
 362                 /* Check dimmed rule */
 363                 if (!dimmed) {
 364                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 365                         if (dimmed)
 366                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 367                 }
 368                 if (!dimmed) {
 369                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 370                         if (dimmed)
 371                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 372                 }
 373                 if (!dimmed) {
 374                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 375                 }
 376         /* msg view window dimming rules */
 377         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 378
 379                 /* Check dimmed rule */
 380                 if (!dimmed) {
 381                         dimmed = _transfer_mode_enabled (win);
 382                         if (dimmed)
 383                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 384                 }
 385                 if (!dimmed) {
 386                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 387                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 388                         if (dimmed)
 389                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 390                 }
 391         }
 392
 393         return dimmed;
 394 }
 395
 396
 397 gboolean
 398 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 399 {
 400         ModestDimmingRule *rule = NULL;
 401         gboolean dimmed = FALSE;
 402
 403         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 404         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 405         rule = MODEST_DIMMING_RULE (user_data);
 406
 407         /* Check dimmed rule */
 408         if (!dimmed) {
 409                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 410         }
 411         if (!dimmed) {
 412                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 413                 if (dimmed)
 414                         modest_dimming_rule_set_notification (rule, "");
 415         }
 416
 417         return dimmed;
 418 }
 419
 420 gboolean
 421 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 422 {
 423         gboolean dimmed = FALSE;
 424
 425         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 426
 427         /* Check dimmed rule */
 428         if (!dimmed)
 429                 dimmed = TRUE;
 430
 431         return dimmed;
 432 }
 433
 434 gboolean
 435 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 436 {
 437         ModestDimmingRule *rule = NULL;
 438         guint n_messages = 0;
 439         gboolean dimmed = FALSE;
 440
 441         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 442         rule = MODEST_DIMMING_RULE (user_data);
 443
 444         /* Check dimmed rule */
 445         if (MODEST_IS_MAIN_WINDOW (win)) {
 446                 if (!dimmed) {
 447                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 448                         if (dimmed)
 449                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 450                 }
 451                 if (!dimmed) {
 452                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 453                 }
 454                 if (!dimmed) {
 455                         dimmed = _already_opened_msg (win, &n_messages);
 456                         if (dimmed) {
 457                                 gchar *num = g_strdup_printf ("%d", n_messages);
 458                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 459 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 460                                 modest_dimming_rule_set_notification (rule, message);
 461                                 g_free(message);
 462                                 g_free(num);
 463                         }
 464                 }
 465                 if (!dimmed) {
 466                         dimmed = _marked_as_deleted (win);
 467                         if (dimmed)
 468                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 469                 }
 470                 if (!dimmed) {
 471                         dimmed = _selected_msg_sent_in_progress (win);
 472                         if (dimmed)
 473                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 474                 }
 475         }
 476         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 477                 if (!dimmed) {
 478                         dimmed = _transfer_mode_enabled (win);
 479                         if (dimmed)
 480                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 481                 }
 482                 if (!dimmed) {
 483                         dimmed = _marked_as_deleted (win);
 484                         if (dimmed)
 485                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 486                 }
 487                 if (!dimmed) {
 488                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 489                         if (dimmed) {
 490                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 491                         }
 492                 }
 493         }
 494
 495         return dimmed;
 496 }
 497
 498 gboolean
 499 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 500 {
 501         ModestDimmingRule *rule = NULL;
 502         GtkWidget *header_view = NULL;
 503         gboolean dimmed = FALSE;
 504
 505         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 506         rule = MODEST_DIMMING_RULE (user_data);
 507
 508         /* main window dimming rules */
 509         if (MODEST_IS_MAIN_WINDOW(win)) {
 510
 511                 /* Check dimmed rule */
 512                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 513                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 514
 515                 /* If the header view has the focus: */
 516                 if (header_view && gtk_widget_is_focus (header_view)) {
 517                         /* Check dimmed rule */
 518                         if (!dimmed)
 519                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 520                 }
 521                 else {
 522                         /* If the folder view has the focus: */
 523                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 524                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 525                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 526                                 TnyFolderStore *folder_store
 527                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 528                                 if (folder_store) {
 529                                         /* Only enable for folders, not accounts,
 530                                          * though the UI spec is not clear about that.
 531                                          * If we enable this for accounts then we must
 532                                          * add code to handle them in modest_ui_actions_on_details(). */
 533                                         if (!TNY_IS_FOLDER(folder_store)) {
 534                                                 dimmed = TRUE;
 535                                                 modest_dimming_rule_set_notification (rule, "");
 536                                         }
 537
 538                                         g_object_unref (folder_store);
 539                                 }
 540                         }
 541
 542                 }
 543
 544         /* msg view window dimming rules */
 545         } else {
 546
 547                 /* Check dimmed rule */
 548                 if (!dimmed) {
 549                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 550                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 551                         if (dimmed)
 552                                 modest_dimming_rule_set_notification (rule, "");
 553                 }
 554         }
 555
 556         return dimmed;
 557 }
 558
 559
 560 gboolean
 561 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 562 {
 563         ModestDimmingRule *rule = NULL;
 564         TnyHeaderFlags flags;
 565         gboolean dimmed = FALSE;
 566
 567         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 568         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 569         rule = MODEST_DIMMING_RULE (user_data);
 570
 571         flags = TNY_HEADER_FLAG_SEEN;
 572
 573         /* Check dimmed rule */
 574         if (!dimmed) {
 575                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 576         }
 577         if (!dimmed) {
 578                 dimmed = _selected_msg_marked_as (win, flags, FALSE, TRUE);
 579                 if (dimmed)
 580                         modest_dimming_rule_set_notification (rule, "");
 581         }
 582
 583         return dimmed;
 584 }
 585
 586 gboolean
 587 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 588 {
 589         ModestDimmingRule *rule = NULL;
 590         TnyHeaderFlags flags;
 591         gboolean dimmed = FALSE;
 592
 593         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 594         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 595         rule = MODEST_DIMMING_RULE (user_data);
 596
 597         flags = TNY_HEADER_FLAG_SEEN;
 598
 599         /* Check dimmed rule */
 600         if (!dimmed)
 601                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 602         if (!dimmed) {
 603                 dimmed = _selected_msg_marked_as (win, flags, TRUE, TRUE);
 604                 if (dimmed)
 605                         modest_dimming_rule_set_notification (rule, "");
 606         }
 607
 608         return dimmed;
 609 }
 610
 611 gboolean
 612 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 613 {
 614         ModestDimmingRule *rule = NULL;
 615         gboolean dimmed = FALSE;
 616
 617         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 618         rule = MODEST_DIMMING_RULE (user_data);
 619
 620         if (MODEST_IS_MAIN_WINDOW (win))
 621                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 622         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 623                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 624
 625         return dimmed;
 626 }
 627
 628
 629 gboolean
 630 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 631 {
 632         GtkWidget *folder_view = NULL;
 633         GtkWidget *header_view = NULL;
 634         ModestDimmingRule *rule = NULL;
 635         guint n_messages = 0;
 636         gboolean dimmed = FALSE;
 637
 638         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 639         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 640         rule = MODEST_DIMMING_RULE (user_data);
 641
 642         /* Get the folder view */
 643         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 644                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 645
 646         /* Get header view */
 647         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 648                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 649
 650         /* Check diming rules for folders and messages transfer  */
 651         if (!dimmed) {
 652                 dimmed = _already_opened_msg (win, &n_messages);
 653                 if (dimmed) {
 654                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 655                         modest_dimming_rule_set_notification (rule, message);
 656                         g_free(message);
 657                 }
 658         }
 659         if (!dimmed) {
 660                 if (!gtk_widget_is_focus (folder_view))
 661                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 662
 663         }
 664
 665         return dimmed;
 666 }
 667
 668 gboolean
 669 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 670 {
 671         ModestDimmingRule *rule = NULL;
 672         gboolean dimmed = FALSE;
 673
 674         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 675         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 676         rule = MODEST_DIMMING_RULE (user_data);
 677
 678         /* Check dimmed rule */
 679         if (!dimmed) {
 680                 dimmed = _transfer_mode_enabled (win);
 681                 if (dimmed)
 682                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 683         }
 684         if (!dimmed) {
 685                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 686                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 687                 if (dimmed)
 688                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 689         }
 690
 691         return dimmed;
 692 }
 693
 694 gboolean
 695 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 696 {
 697         ModestDimmingRule *rule = NULL;
 698         gboolean dimmed = FALSE;
 699
 700         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 701         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 702         rule = MODEST_DIMMING_RULE (user_data);
 703
 704         /* Check dimmed rule */
 705         if (!dimmed) {
 706                 dimmed = _transfer_mode_enabled (win);
 707                 if (dimmed)
 708                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 709         }
 710
 711         return dimmed;
 712 }
 713
 714 gboolean
 715 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 716 {
 717         ModestDimmingRule *rule = NULL;
 718         TnyFolderType types[3];
 719         gboolean dimmed = FALSE;
 720
 721         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 722         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 723         rule = MODEST_DIMMING_RULE (user_data);
 724
 725         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 726         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 727         types[2] = TNY_FOLDER_TYPE_SENT;
 728
 729         /* Check dimmed rule */
 730         if (!dimmed) {
 731                 dimmed = _clipboard_is_empty (win);
 732                 if (dimmed)
 733                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 734         }
 735         if (!dimmed) {
 736                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 737                 if (dimmed)
 738                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 739         }
 740         if (!dimmed) {
 741                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 742                 if (dimmed) {
 743                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 744                 }
 745         }
 746         if (!dimmed) {
 747                 dimmed = _selected_folder_is_same_as_source (win);
 748                 if (dimmed)
 749                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 750         }
 751
 752         return dimmed;
 753 }
 754
 755
 756 gboolean
 757 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 758 {
 759         ModestDimmingRule *rule = NULL;
 760         gboolean dimmed = FALSE;
 761
 762         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 763         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 764         rule = MODEST_DIMMING_RULE (user_data);
 765
 766         /* Check dimmed rule */
 767         if (!dimmed) {
 768                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 769                 if (dimmed)
 770                         modest_dimming_rule_set_notification (rule, "");
 771         }
 772
 773         return dimmed;
 774 }
 775
 776 gboolean
 777 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 778 {
 779         ModestDimmingRule *rule = NULL;
 780         gboolean dimmed = FALSE;
 781
 782         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 783         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 784         rule = MODEST_DIMMING_RULE (user_data);
 785
 786         /* Check dimmed rule */
 787         if (!dimmed)
 788                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 789
 790         if (!dimmed) {
 791                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 792                 if (dimmed) {
 793                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 794                 }
 795         }
 796
 797         return dimmed;
 798 }
 799
 800 gboolean
 801 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 802 {
 803         ModestDimmingRule *rule = NULL;
 804         gboolean dimmed = FALSE;
 805
 806         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 807         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 808         rule = MODEST_DIMMING_RULE (user_data);
 809
 810         /* Check dimmed rule */
 811         if (!dimmed)
 812                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 813
 814         if (!dimmed) {
 815                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 816                 if (dimmed) {
 817                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 818                 }
 819         }
 820
 821         return dimmed;
 822 }
 823
 824 gboolean
 825 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 826 {
 827         ModestDimmingRule *rule = NULL;
 828         gboolean dimmed = FALSE;
 829
 830         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 831         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 832         rule = MODEST_DIMMING_RULE (user_data);
 833
 834         /* Check in main window if there's only one message selected */
 835         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 836                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 837         }
 838
 839         /* Check in view window if there's any attachment selected */
 840         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 841                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 842                 if (dimmed)
 843                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 844         }
 845
 846         /* cannot purge in editable drafts nor pop folders */
 847         if (!dimmed) {
 848                 dimmed = _invalid_folder_for_purge (win, rule);
 849         }
 850
 851         /* Check if the selected message in main window has attachments */
 852         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 853                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE, FALSE);
 854                 if (dimmed)
 855                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 856         }
 857
 858         /* Check if all attachments are already purged */
 859         if (!dimmed) {
 860                 dimmed = _purged_attach_selected (win, TRUE, rule);
 861         }
 862
 863         /* Check if the message is already downloaded */
 864         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 865                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 866                 if (dimmed)
 867                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 868         }
 869
 870
 871         return dimmed;
 872 }
 873
 874 gboolean
 875 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 876 {
 877         ModestDimmingRule *rule = NULL;
 878         gboolean dimmed = FALSE;
 879
 880         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 881         rule = MODEST_DIMMING_RULE (user_data);
 882
 883         /* Check dimmed rule */
 884         if (!dimmed) {
 885                 dimmed = _clipboard_is_empty (win);
 886                 if (dimmed)
 887                         modest_dimming_rule_set_notification (rule, "");
 888         }
 889
 890         return dimmed;
 891 }
 892
 893 gboolean
 894 modest_ui_dimming_rules_on_cut (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_copy (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         /* Check common dimming rules */
 934         if (!dimmed) {
 935                 dimmed = _invalid_clipboard_selected (win, rule);
 936         }
 937
 938         /* Check window specific dimming rules */
 939         if (MODEST_IS_MAIN_WINDOW (win)) {
 940                 if (!dimmed) {
 941                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 942                         if (dimmed)
 943                                 modest_dimming_rule_set_notification (rule, "");
 944                 }
 945                 if (!dimmed) {
 946                         dimmed = _selected_msg_sent_in_progress (win);
 947                         if (dimmed)
 948                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 949                 }
 950         }
 951
 952         return dimmed;
 953 }
 954
 955 gboolean
 956 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 957 {
 958         ModestDimmingRule *rule = NULL;
 959         gboolean dimmed = FALSE;
 960
 961         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 962         rule = MODEST_DIMMING_RULE (user_data);
 963
 964         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 965
 966         /* Check dimmed rule */
 967         if (!dimmed) {
 968                 dimmed = _transfer_mode_enabled (win);
 969                 if (dimmed)
 970                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 971         }
 972         if (!dimmed) {
 973                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 974                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 975                 modest_dimming_rule_set_notification (rule, NULL);
 976         }
 977
 978         return dimmed;
 979 }
 980
 981 gboolean
 982 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 983 {
 984         ModestDimmingRule *rule = NULL;
 985         gboolean dimmed = FALSE;
 986
 987         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 988         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 989         rule = MODEST_DIMMING_RULE (user_data);
 990
 991         /* Check dimmed rule */
 992         if (!dimmed) {
 993                 dimmed = _transfer_mode_enabled (win);
 994                 if (dimmed)
 995                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 996         }
 997         if (!dimmed) {
 998                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 999                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1000                 modest_dimming_rule_set_notification (rule, NULL);
1001         }
1002
1003         return dimmed;
1004 }
1005
1006
1007 gboolean
1008 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1009 {
1010         const gboolean dimmed =
1011                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1012                         TRUE);
1013
1014         return dimmed;
1015 }
1016
1017 gboolean
1018 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1019 {
1020         ModestDimmingRule *rule = NULL;
1021         TnyFolderType types[1];
1022         guint n_messages = 0;
1023         gboolean dimmed = FALSE;
1024
1025         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1026         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1027         rule = MODEST_DIMMING_RULE (user_data);
1028
1029         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1030
1031         /* Check dimmed rules */
1032         if (!dimmed) {
1033                 dimmed = _already_opened_msg (win, &n_messages);
1034                 if (dimmed)
1035                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1036         }
1037         if (!dimmed) {
1038                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1039                 if (dimmed)
1040                         modest_dimming_rule_set_notification (rule, "");
1041         }
1042         if (!dimmed) {
1043                 dimmed = !_sending_in_progress (win);
1044                 if (dimmed)
1045                         modest_dimming_rule_set_notification (rule, "");
1046         }
1047
1048         return dimmed;
1049 }
1050
1051 gboolean
1052 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1053 {
1054         ModestDimmingRule *rule = NULL;
1055         gboolean dimmed = FALSE;
1056
1057         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1058         rule = MODEST_DIMMING_RULE (user_data);
1059
1060         /* Check dimmed rule */
1061         if (!dimmed) {
1062                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1063                                                           TRUE);
1064                 if (dimmed)
1065                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1066         }
1067
1068         return dimmed;
1069 }
1070
1071 gboolean
1072 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1073 {
1074         ModestDimmingRule *rule = NULL;
1075         gboolean dimmed = FALSE;
1076
1077         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1078         rule = MODEST_DIMMING_RULE (user_data);
1079
1080         /* Check dimmed rule */
1081         if (!dimmed) {
1082                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1083                 gchar *selection = NULL;
1084                 selection = gtk_clipboard_wait_for_text (clipboard);
1085
1086                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1087         }
1088
1089         return dimmed;
1090 }
1091
1092 /* *********************** static utility functions ******************** */
1093
1094 static gboolean
1095 _marked_as_deleted (ModestWindow *win)
1096 {
1097         gboolean result = FALSE;
1098         TnyHeaderFlags flags;
1099
1100         flags = TNY_HEADER_FLAG_DELETED;
1101
1102         /* Check dimmed rule */
1103         result = _selected_msg_marked_as (win, flags, FALSE, FALSE);
1104
1105         return result;
1106 }
1107
1108 static gboolean
1109 _selected_folder_not_writeable (ModestMainWindow *win)
1110 {
1111         GtkWidget *folder_view = NULL;
1112         TnyFolderStore *parent_folder = NULL;
1113         ModestTnyFolderRules rules;
1114         gboolean result = FALSE;
1115
1116         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1117
1118         /* Get folder view */
1119         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1120                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1121         /* If no folder view, always dimmed */
1122         if (!folder_view)
1123                 return TRUE;
1124
1125         /* Get selected folder as parent of new folder to create */
1126         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1127         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1128                 if (parent_folder)
1129                         g_object_unref (parent_folder);
1130                 return TRUE;
1131         }
1132
1133         /* Check dimmed rule */
1134         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1135         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1136
1137         /* free */
1138         g_object_unref (parent_folder);
1139
1140         return result;
1141 }
1142
1143 static gboolean
1144 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1145 {
1146         TnyFolderType types[2];
1147         gboolean result = FALSE;
1148
1149         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1150
1151         types[0] = TNY_FOLDER_TYPE_ROOT;
1152         types[1] = TNY_FOLDER_TYPE_INBOX;
1153
1154         /* Check folder type */
1155         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1156
1157         /* Check pop and MMC accounts */
1158         if (!result) {
1159                 result = _selected_folder_is_MMC_or_POP_root (win);
1160         }
1161
1162         return result;
1163 }
1164
1165
1166 static gboolean
1167 _selected_folder_is_root (ModestMainWindow *win)
1168 {
1169         TnyFolderType types[1];
1170         gboolean result = FALSE;
1171
1172         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1173
1174         /* All accounts are root items: */
1175         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1176                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1177         if (folder_view) {
1178                 gboolean is_account = FALSE;
1179                 TnyFolderStore *folder_store =
1180                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1181                 if (folder_store) {
1182                         is_account = TNY_IS_ACCOUNT (folder_store);
1183                         g_object_unref (folder_store);
1184                         folder_store = NULL;
1185                 }
1186
1187                 if (is_account)
1188                         return TRUE;
1189         }
1190
1191         /* Try something more precise: */
1192         types[0] = TNY_FOLDER_TYPE_ROOT;
1193
1194         /* Check folder type */
1195         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1196
1197         /* Check pop and MMC accounts */
1198         if (!result) {
1199                 result = _selected_folder_is_MMC_or_POP_root (win);
1200         }
1201
1202         return result;
1203 }
1204
1205 static gboolean
1206 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1207 {
1208         GtkWidget *folder_view = NULL;
1209         TnyFolderStore *parent_folder = NULL;
1210         gboolean result = FALSE;
1211
1212         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1213                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1214         /* Get selected folder as parent of new folder to create */
1215         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1216         if (!parent_folder)
1217                 return TRUE;
1218
1219         if (TNY_IS_ACCOUNT (parent_folder)) {
1220                 /* If it's the local account then do not dim */
1221                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1222                         result = FALSE;
1223                 } else {
1224                                 /* If it's the MMC root folder then dim it */
1225                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1226                                         result = TRUE;
1227                         } else {
1228                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1229                                 /* If it's POP then dim */
1230                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1231                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1232                         }
1233                 }
1234         }
1235         g_object_unref (parent_folder);
1236
1237         return result;
1238 }
1239
1240
1241 static gboolean
1242 _selected_folder_is_empty (ModestMainWindow *win)
1243 {
1244         GtkWidget *folder_view = NULL;
1245         TnyFolderStore *folder = NULL;
1246         gboolean result = FALSE;
1247
1248         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1249
1250         /* Get folder view */
1251         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1252                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1253         /* If no folder view, always dimmed */
1254         if (!folder_view)
1255                 return TRUE;
1256
1257         /* Get selected folder as parent of new folder to create */
1258         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1259         if (!(folder && TNY_IS_FOLDER(folder))) {
1260                 if (folder)
1261                         g_object_unref (folder);
1262                 return TRUE;
1263         }
1264
1265         /* Check folder type */
1266         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1267
1268         /* free */
1269         g_object_unref (folder);
1270
1271         return result;
1272 }
1273
1274 static gboolean
1275 _selected_folder_is_same_as_source (ModestWindow *win)
1276 {
1277         ModestEmailClipboard *clipboard = NULL;
1278         GtkWidget *folder_view = NULL;
1279         TnyFolderStore *folder = NULL;
1280         gboolean result = FALSE;
1281
1282         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
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 (!folder_view)
1288                 return FALSE;
1289
1290         /* Get selected folder as destination folder */
1291         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1292         if (!(folder && TNY_IS_FOLDER(folder))) {
1293                 result = FALSE;
1294                 goto frees;
1295         }
1296
1297         /* Check clipboard is cleared */
1298         clipboard = modest_runtime_get_email_clipboard ();
1299         if (modest_email_clipboard_cleared (clipboard)) {
1300                 result = FALSE;
1301                 goto frees;
1302         }
1303
1304         /* Check source folder */
1305         result = modest_email_clipboard_check_source_folder (clipboard,
1306                                                              (const TnyFolder *) folder);
1307
1308         /* Free */
1309  frees:
1310         g_object_unref (folder);
1311
1312         return result;
1313 }
1314
1315 static gboolean
1316 _selected_folder_is_any_of_type (ModestWindow *win,
1317                                  TnyFolderType types[],
1318                                  guint ntypes)
1319 {
1320         GtkWidget *folder_view = NULL;
1321         TnyFolderStore *folder = NULL;
1322         TnyFolderType folder_type;
1323         guint i=0;
1324         gboolean result = FALSE;
1325
1326         /*Get current folder */
1327         if (MODEST_IS_MAIN_WINDOW(win)) {
1328
1329                 /* Get folder view */
1330                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1331                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1332                 /* If no folder view, always dimmed */
1333                 if (!folder_view)
1334                         return FALSE;
1335
1336                 /* Get selected folder as parent of new folder to create */
1337                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1338
1339                 if (!(folder && TNY_IS_FOLDER(folder))) {
1340                         if (folder)
1341                                 g_object_unref (folder);
1342                         return FALSE;
1343                 }
1344
1345                 /* Check folder type */
1346                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1347         }
1348         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1349                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1350                 for (i=0; i < ntypes; i++) {
1351                         result = result || folder_type == types[i];
1352                 }
1353         }
1354
1355
1356         /* free */
1357         g_object_unref (folder);
1358
1359         return result;
1360 }
1361
1362 static gboolean
1363 _folder_is_any_of_type (TnyFolder *folder,
1364                         TnyFolderType types[],
1365                         guint ntypes)
1366 {
1367         TnyFolderType folder_type;
1368         gboolean result = FALSE;
1369         guint i;
1370
1371         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1372
1373         /* Get folder type */
1374         folder_type = modest_tny_folder_guess_folder_type (folder);
1375
1376         /* Check foler type */
1377         for (i=0; i < ntypes; i++) {
1378                 result = result || folder_type == types[i];
1379         }
1380
1381         return result;
1382 }
1383
1384 static gboolean
1385 _selected_folder_is_snd_level (ModestMainWindow *win)
1386 {
1387         GtkWidget *folder_view = NULL;
1388         GtkTreeSelection *sel = NULL;
1389         GtkTreeModel *model = NULL;
1390         GtkTreePath *path = NULL;
1391         GtkTreeIter iter;
1392         TnyFolderStore *folder = NULL;
1393         gboolean result = FALSE;
1394
1395         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1396
1397         /*Get curent folder */
1398         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1399                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1400         /* If no folder view, always dimmed */
1401         if (!folder_view)
1402                 goto frees;
1403
1404         /* Get selected folder as parent of new folder to create */
1405         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1406         if (!(folder && TNY_IS_FOLDER(folder))) {
1407                 goto frees;
1408         }
1409
1410         /* Check folder level */
1411         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1412         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1413                 goto frees;
1414         path = gtk_tree_model_get_path (model, &iter);
1415         result = gtk_tree_path_get_depth (path) > 2;
1416
1417  frees:
1418         if (folder != NULL)
1419                 g_object_unref (folder);
1420         if (path != NULL)
1421                 gtk_tree_path_free (path);
1422
1423         return result;
1424
1425 }
1426
1427 static gboolean
1428 _clipboard_is_empty (ModestWindow *win)
1429 {
1430         gboolean result = FALSE;
1431
1432         if (MODEST_IS_MAIN_WINDOW (win)) {
1433                 ModestEmailClipboard *clipboard = NULL;
1434                 clipboard = modest_runtime_get_email_clipboard ();
1435                 if (modest_email_clipboard_cleared (clipboard))
1436                  result = TRUE;
1437         }
1438
1439         return result;
1440 }
1441
1442 static gboolean
1443 _invalid_clipboard_selected (ModestWindow *win,
1444                        ModestDimmingRule *rule)
1445 {
1446         gboolean result = FALSE;
1447
1448         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1449                 GtkClipboard *clipboard = NULL;
1450                 gchar *selection = NULL;
1451                 GtkWidget *focused = NULL;
1452
1453                 /* Get clipboard selection*/
1454                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1455                 selection = gtk_clipboard_wait_for_text (clipboard);
1456
1457                 /* Get focuesed widget */
1458                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1459
1460                 /* Check dimming */
1461                 result = ((selection == NULL) ||
1462                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1463
1464                 if (result)
1465                         modest_dimming_rule_set_notification (rule, "");
1466         }
1467         else if (MODEST_IS_MAIN_WINDOW (win)) {
1468                 GtkWidget *header_view = NULL;
1469
1470                 /* Get header view to check selected messages */
1471                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1472                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1473
1474                 /* Check dimming */
1475                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1476                 if (result)
1477                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1478         }
1479
1480         return result;
1481 }
1482
1483
1484 static gboolean
1485 _invalid_attach_selected (ModestWindow *win,
1486                           gboolean unique,
1487                           gboolean for_view,
1488                           ModestDimmingRule *rule)
1489 {
1490         GList *attachments, *node;
1491         gint n_selected;
1492         TnyHeaderFlags flags;
1493         gboolean nested_attachments = FALSE;
1494         gboolean selected_messages = FALSE;
1495         gboolean result = FALSE;
1496
1497         if (MODEST_IS_MAIN_WINDOW (win)) {
1498                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1499                 if (!result)
1500                         result = _selected_msg_marked_as (win, flags, TRUE, FALSE);
1501         }
1502         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1503
1504                 /* Get selected atachments */
1505                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1506                 n_selected = g_list_length (attachments);
1507
1508                 /* Check unique */
1509                 if (!result) {
1510                         if (unique)
1511                                 result = n_selected != 1;
1512                         else
1513
1514                                 result = n_selected < 1;
1515                 }
1516
1517                 /* Check attached type (view operation not required) */
1518                 if (!result && !for_view)  {
1519                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1520                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1521                                 TnyList *nested_list = tny_simple_list_new ();
1522                                 if (TNY_IS_MSG (mime_part)) {
1523                                         selected_messages = TRUE;
1524                                         result = TRUE;
1525                                 }
1526                                 tny_mime_part_get_parts (mime_part, nested_list);
1527                                 if (tny_list_get_length (nested_list) > 0) {
1528                                 nested_attachments = TRUE;
1529                                 result = TRUE;
1530                                 }
1531                                 g_object_unref (nested_list);
1532                         }
1533                 }
1534
1535                 /* Set notifications */
1536                 if (result && rule != NULL) {
1537                         if (selected_messages) {
1538                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1539                         } else if (nested_attachments) {
1540                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1541                         } else if (n_selected == 0) {
1542                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1543                         } else if (unique) {
1544                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1545                         }
1546                 }
1547
1548                 /* Free */
1549                 g_list_free (attachments);
1550         }
1551
1552         return result;
1553 }
1554
1555 static gboolean
1556 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1557 {
1558         GList *attachments = NULL, *node;
1559         gint purged = 0;
1560         gint n_attachments = 0;
1561         gboolean result = FALSE;
1562
1563         /* This should check if _all_ the attachments are already purged. If only some
1564          * of them are purged, then it does not cause dim as there's a confirmation dialog
1565          * for removing only local attachments */
1566
1567         /* Get selected atachments */
1568         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1569                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1570         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1571                 /* If we're in main window, we won't know if there are already purged attachments */
1572                 return FALSE;
1573         }
1574
1575         if (attachments == NULL)
1576                 return FALSE;
1577
1578         for (node = attachments; node != NULL; node = g_list_next (node)) {
1579                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1580                 if (tny_mime_part_is_purged (mime_part)) {
1581                         purged++;
1582                 }
1583                 n_attachments++;
1584         }
1585
1586         /* Free */
1587         g_list_free (attachments);
1588
1589         if (all)
1590                 result = (purged == n_attachments);
1591         else
1592                 result = (purged > 0);
1593
1594         if (result && (rule != NULL))
1595                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1596
1597         return result;
1598 }
1599
1600 static gboolean
1601 _invalid_msg_selected (ModestMainWindow *win,
1602                        gboolean unique,
1603                        ModestDimmingRule *rule)
1604 {
1605         GtkWidget *header_view = NULL;
1606         GtkWidget *folder_view = NULL;
1607         gboolean selected_headers = FALSE;
1608         gboolean result = FALSE;
1609
1610         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1611         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1612
1613         /* Get header view to check selected messages */
1614         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1615                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1616
1617         /* Get folder view to check focus */
1618         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1619                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1620
1621         /* Get selected headers */
1622         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1623
1624         /* Check dimmed rule (TODO: check focus on widgets */
1625         if (!result) {
1626                 result = ((!selected_headers) ||
1627                           (gtk_widget_is_focus (folder_view)));
1628                 if (result)
1629                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1630         }
1631         if (!result && unique) {
1632                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1633                 if (result)
1634                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1635         }
1636
1637         return result;
1638 }
1639
1640 static gboolean
1641 _already_opened_msg (ModestWindow *win,
1642                      guint *n_messages)
1643 {
1644         //ModestWindow *window = NULL;
1645         ModestWindowMgr *mgr = NULL;
1646         GtkWidget *header_view = NULL;
1647         TnyList *selected_headers = NULL;
1648         TnyIterator *iter = NULL;
1649         TnyHeader *header = NULL;
1650         gboolean found;
1651
1652         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1653
1654         /* Get header view to check selected messages */
1655         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1656                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1657
1658
1659         /* Check no selection */
1660         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1661             return FALSE;
1662
1663         /* Get selected headers */
1664         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1665         if (selected_headers == NULL)
1666                 return FALSE;
1667
1668         *n_messages = tny_list_get_length (selected_headers);
1669
1670         /* Check dimmed rule (TODO: check focus on widgets */
1671         mgr = modest_runtime_get_window_mgr ();
1672         iter = tny_list_create_iterator (selected_headers);
1673         found = FALSE;
1674         while (!tny_iterator_is_done (iter)) {
1675                 header = TNY_HEADER (tny_iterator_get_current (iter));
1676                 if (header) {
1677                         found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1678
1679                         g_object_unref (header);
1680                 }
1681
1682                 tny_iterator_next (iter);
1683
1684                 if (found)
1685                         break;
1686         }
1687
1688         /* free */
1689         if (selected_headers != NULL)
1690                 g_object_unref (selected_headers);
1691         if (iter != NULL)
1692                 g_object_unref (iter);
1693
1694         return found;
1695 }
1696
1697 static gboolean
1698 _selected_msg_marked_as (ModestWindow *win,
1699                          TnyHeaderFlags mask,
1700                          gboolean opposite,
1701                          gboolean all)
1702 {
1703         ModestWindow *main_window = NULL;
1704         GtkWidget *header_view = NULL;
1705         TnyList *selected_headers = NULL;
1706         TnyIterator *iter = NULL;
1707         TnyHeader *header = NULL;
1708         TnyHeaderFlags flags = 0;
1709         gboolean result = TRUE;
1710
1711         if (MODEST_IS_MAIN_WINDOW (win))
1712                 main_window = win;
1713         else
1714                 main_window =
1715                         modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
1716
1717         /* TODO: Javi, what about if the main window does not
1718            exist?. Adding some code to avoid CRITICALs */
1719         if (!main_window)
1720                 return FALSE;
1721
1722         /* Get header view to check selected messages */
1723         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_window),
1724                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1725
1726         /* Check no selection */
1727         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1728             return TRUE;
1729
1730         /* Get selected headers */
1731         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1732         if (selected_headers == NULL)
1733                 return TRUE;
1734
1735         /* Call the function for each header */
1736         iter = tny_list_create_iterator (selected_headers);
1737         while (!tny_iterator_is_done (iter) && result) {
1738                 header = TNY_HEADER (tny_iterator_get_current (iter));
1739                 if (header) {
1740                         flags = tny_header_get_flags (header);
1741                         if (opposite)
1742                                 result = (flags & mask) == 0;
1743                         else
1744                                 result = (flags & mask) != 0;
1745
1746                         g_object_unref (header);
1747                 }
1748
1749                 tny_iterator_next (iter);
1750         }
1751
1752         if (all)
1753                 result = result && tny_iterator_is_done (iter);
1754
1755         /* free */
1756         if (selected_headers != NULL)
1757                 g_object_unref (selected_headers);
1758         if (iter != NULL)
1759                 g_object_unref (iter);
1760
1761         return result;
1762 }
1763
1764 static gboolean
1765 _msg_download_in_progress (ModestMsgViewWindow *win)
1766 {
1767         gboolean result = FALSE;
1768
1769         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1770
1771         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1772
1773         return result;
1774 }
1775
1776 static gboolean
1777 _msg_download_completed (ModestMainWindow *win)
1778 {
1779         GtkWidget *header_view = NULL;
1780         TnyList *selected_headers = NULL;
1781         TnyIterator *iter = NULL;
1782         TnyHeader *header = NULL;
1783         TnyHeaderFlags flags = 0;
1784         gboolean result = FALSE;
1785
1786         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1787
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 TRUE;
1796
1797         /* Get selected headers */
1798         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1799         if (selected_headers == NULL)
1800                 return TRUE;
1801
1802         /* Check dimmed rule  */
1803         result = TRUE;
1804         iter = tny_list_create_iterator (selected_headers);
1805         while (!tny_iterator_is_done (iter) && result) {
1806                 header = TNY_HEADER (tny_iterator_get_current (iter));
1807                 if (header) {
1808                         flags = tny_header_get_flags (header);
1809                         /* TODO: is this the right flag?, it seems that some
1810                            headers that have been previously downloaded do not
1811                            come with it */
1812                         result = (flags & TNY_HEADER_FLAG_CACHED);
1813
1814                         g_object_unref (header);
1815                 }
1816
1817                 tny_iterator_next (iter);
1818         }
1819
1820         g_object_unref (iter);
1821
1822         return result;
1823 }
1824
1825 static void
1826 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1827 {
1828         GSList **send_queues = (GSList **) userdata;
1829         *send_queues = g_slist_prepend (*send_queues, value);
1830 }
1831
1832 static gboolean
1833 _selected_msg_sent_in_progress (ModestWindow *win)
1834 {
1835         ModestCacheMgr *cache_mgr;
1836         GHashTable     *send_queue_cache;
1837         GSList *send_queues = NULL, *node;
1838         ModestTnySendQueue *send_queue = NULL;
1839         GtkWidget *header_view = NULL;
1840         TnyList *header_list = NULL;
1841         TnyIterator *iter = NULL;
1842         TnyHeader *header = NULL;
1843         gboolean result = FALSE;
1844         gchar *msg_uid = NULL;
1845
1846
1847         if (MODEST_IS_MAIN_WINDOW(win)) {
1848
1849                 /* Get header view to check selected messages */
1850                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1851                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1852
1853                 /* Check no selection */
1854                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1855                     return FALSE;
1856
1857                 /* Get selected headers */
1858                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1859
1860                 /* Get message header */
1861                 if (!header_list) return FALSE;
1862                 iter = tny_list_create_iterator (header_list);
1863                 header = TNY_HEADER (tny_iterator_get_current (iter));
1864                 if (header) {
1865                         /* Get message uid */
1866                         msg_uid = modest_tny_send_queue_get_msg_id (header);
1867                         g_object_unref (header);
1868                 }
1869
1870         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1871
1872                 /* Get message header */
1873                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1874                 if (header) {
1875                         /* Get message uid */
1876                         msg_uid = modest_tny_send_queue_get_msg_id (header);
1877                         g_object_unref (header);
1878                 }
1879         }
1880
1881         /* Search on send queues cache */
1882         cache_mgr = modest_runtime_get_cache_mgr ();
1883         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1884                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1885
1886         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1887
1888         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
1889                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1890
1891                 /* Check if msg uid is being processed inside send queue */
1892                 result = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
1893         }
1894
1895
1896         /* Free */
1897         g_free(msg_uid);
1898         g_object_unref(header_list);
1899         g_object_unref(iter);
1900         g_slist_free (send_queues);
1901
1902         return result;
1903 }
1904
1905
1906 static gboolean
1907 _sending_in_progress (ModestWindow *win)
1908 {
1909         gboolean result = FALSE;
1910
1911         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1912
1913         /* Check if send operation is in progress */
1914         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1915
1916         return result;
1917 }
1918
1919 static gboolean
1920 _invalid_folder_for_purge (ModestWindow *win,
1921                            ModestDimmingRule *rule)
1922 {
1923         TnyMsg *msg = NULL;
1924         TnyFolder *folder = NULL;
1925         TnyAccount *account = NULL;
1926         gboolean result = FALSE;
1927
1928         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1929
1930                 /* Get folder and account of message */
1931                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1932                 g_return_val_if_fail(msg != NULL, TRUE);
1933                 folder = tny_msg_get_folder (msg);
1934                 if (folder == NULL) {
1935                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1936                         goto frees;
1937                 }
1938                 g_object_unref (msg);
1939         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1940                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1941                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1942                 if (!folder_view)
1943                         return FALSE;
1944                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1945                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1946                         goto frees;
1947         } else {
1948                 g_return_val_if_reached (FALSE);
1949         }
1950         account = modest_tny_folder_get_account (folder);
1951         if (account == NULL) goto frees;
1952
1953         /* Check account */
1954         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1955                 TnyFolderType types[2];
1956                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1957                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1958
1959                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1960                         result = TRUE;
1961                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1962                 } else {
1963                         /* We're currently disabling purge in any local store */
1964                         result = TRUE;
1965                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1966                 }
1967         } else {
1968                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1969                 /* If it's POP then dim */
1970                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1971                     MODEST_PROTOCOL_STORE_POP) {
1972                         GList *attachments = NULL;
1973                         gint n_selected = 0;
1974                         result = TRUE;
1975
1976                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
1977                          * murrayc */
1978                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1979                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1980                                 n_selected = g_list_length (attachments);
1981                                 g_list_free (attachments);
1982                         }
1983
1984                         modest_dimming_rule_set_notification (rule,
1985                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1986                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1987                                                                         n_selected));
1988                 }
1989         }
1990
1991 frees:
1992         if (folder != NULL)
1993                 g_object_unref (folder);
1994         if (account != NULL)
1995                 g_object_unref (account);
1996
1997         return result;
1998 }
1999
2000 static gboolean
2001 _transfer_mode_enabled (ModestWindow *win)
2002 {
2003         gboolean result = FALSE;
2004
2005         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
2006
2007         /* Check dimming */
2008         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2009
2010         return result;
2011 }