git.maemo.org Git - modest/blob - src/modest-ui-dimming-rules.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-text-utils.h"
  39 #include <widgets/modest-attachments-view.h>
  40 #include <modest-runtime.h>
  41 #include <tny-simple-list.h>
  42
  43
  44 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  45 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  46 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  47 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  48 static gboolean _clipboard_is_empty (ModestWindow *win);
  49 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  50 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  51 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  52 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  53 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  55 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  60 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  61 static gboolean _msg_download_completed (ModestMainWindow *win);
  62 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  63 static gboolean _sending_in_progress (ModestWindow *win);
  64 static gboolean _marked_as_deleted (ModestWindow *win);
  65 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  66 static gboolean _transfer_mode_enabled (ModestWindow *win);
  67
  68
  69 gboolean
  70 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  71 {
  72         ModestDimmingRule *rule = NULL;
  73         gboolean dimmed = FALSE;
  74
  75         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  76         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  77         rule = MODEST_DIMMING_RULE (user_data);
  78
  79         /* Check dimmed rule */
  80         if (!dimmed) {
  81                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  82                 if (dimmed)
  83                         modest_dimming_rule_set_notification (rule, "");
  84         }
  85
  86         return dimmed;
  87 }
  88
  89 gboolean
  90 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  91 {
  92         ModestDimmingRule *rule = NULL;
  93         gboolean dimmed = FALSE;
  94
  95         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  96         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  97         rule = MODEST_DIMMING_RULE (user_data);
  98
  99         /* Check common new folder menu item dimming rules */
 100         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 101
 102         /* Check CSM specific dimming rules */
 103         if (!dimmed) {
 104                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 105                 if (dimmed)
 106                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 107         }
 108
 109         return dimmed;
 110 }
 111
 112 gboolean
 113 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 114 {
 115         ModestDimmingRule *rule = NULL;
 116         GtkWidget *folder_view = NULL;
 117         TnyFolderStore *parent_folder = NULL;
 118         gboolean dimmed = FALSE;
 119
 120         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 121         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 122         rule = MODEST_DIMMING_RULE (user_data);
 123
 124         /* Get selected folder as parent of new folder to create */
 125         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 126                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 127         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 128         if (!parent_folder)
 129                 return TRUE;
 130
 131         if (TNY_IS_ACCOUNT (parent_folder)) {
 132                 /* If it's the local account then do not dim */
 133                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 134                         dimmed = FALSE;
 135                 } else {
 136                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 137                         /* If it's POP then dim */
 138                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 139                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 140                         if (dimmed)
 141                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 142                 }
 143         } else {
 144                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 145
 146                 TnyFolderType types[3];
 147
 148                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 149                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 150                 types[2] = TNY_FOLDER_TYPE_SENT;
 151
 152                 /* Apply folder rules */
 153                 if (!dimmed) {
 154                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 155                         if (dimmed)
 156                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 157                 }
 158                 if (!dimmed) {
 159                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 160                         if (dimmed)
 161                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 162                 }
 163         }
 164         g_object_unref (parent_folder);
 165
 166         return dimmed;
 167 }
 168
 169 gboolean
 170 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 171 {
 172         ModestDimmingRule *rule = NULL;
 173         GtkWidget *folder_view = NULL;
 174         GtkWidget *header_view = NULL;
 175         gboolean dimmed = FALSE;
 176
 177         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 178         rule = MODEST_DIMMING_RULE (user_data);
 179
 180         if (MODEST_IS_MAIN_WINDOW (win)) {
 181                 /* Get the folder view */
 182                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 183                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 184
 185                 /* Get header view */
 186                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 187                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 188
 189                 if (header_view && gtk_widget_is_focus (header_view))
 190                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 191
 192                 if (folder_view && gtk_widget_is_focus (folder_view))
 193                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 194         } else {
 195                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 196         }
 197
 198         return dimmed;
 199 }
 200
 201
 202
 203 gboolean
 204 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 205 {
 206         ModestDimmingRule *rule = NULL;
 207         TnyFolderType types[5];
 208         gboolean dimmed = FALSE;
 209
 210         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 211         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 212         rule = MODEST_DIMMING_RULE (user_data);
 213
 214         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 215         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 216         types[2] = TNY_FOLDER_TYPE_SENT;
 217         types[3] = TNY_FOLDER_TYPE_INBOX;
 218         types[4] = TNY_FOLDER_TYPE_ROOT;
 219
 220
 221         /* Check dimmed rule */
 222         if (!dimmed) {
 223                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 224                 if (dimmed)
 225                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 226         }
 227         if (!dimmed) {
 228                 dimmed = _selected_folder_is_any_of_type (win, types, 5);
 229                 if (dimmed)
 230                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 231         }
 232         if (!dimmed) {
 233                 dimmed = _selected_folder_is_root_or_inbox (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_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 239                 if (dimmed)
 240                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 241         }
 242
 243         return dimmed;
 244 }
 245
 246 gboolean
 247 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 248 {
 249         ModestDimmingRule *rule = NULL;
 250         gboolean dimmed = FALSE;
 251
 252         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 253         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 254         rule = MODEST_DIMMING_RULE (user_data);
 255
 256         /* Check dimmed rule */
 257         if (!dimmed) {
 258                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 259                 if (dimmed)
 260                         modest_dimming_rule_set_notification (rule, "");
 261         }
 262
 263         return dimmed;
 264
 265 }
 266
 267 gboolean
 268 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 269 {
 270         ModestDimmingRule *rule = NULL;
 271         TnyFolderType types[3];
 272         gboolean dimmed = FALSE;
 273
 274         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 275         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 276         rule = MODEST_DIMMING_RULE (user_data);
 277
 278         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 279         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 280         types[2] = TNY_FOLDER_TYPE_SENT;
 281
 282         /* Check dimmed rule */
 283         if (!dimmed) {
 284                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 285                 if (dimmed)
 286                         modest_dimming_rule_set_notification (rule, "");
 287         }
 288         if (!dimmed) {
 289                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 290                 if (dimmed)
 291                         modest_dimming_rule_set_notification (rule, "");
 292         }
 293         if (!dimmed) {
 294                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 295                 if (dimmed)
 296                         modest_dimming_rule_set_notification (rule, "");
 297         }
 298
 299         return dimmed;
 300 }
 301
 302 gboolean
 303 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 304 {
 305         ModestDimmingRule *rule = NULL;
 306         gboolean dimmed = FALSE;
 307
 308         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 309         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 310         rule = MODEST_DIMMING_RULE (user_data);
 311
 312         /* Check dimmed rule */
 313         if (!dimmed) {
 314                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 315         }
 316         if (!dimmed) {
 317                 dimmed = _marked_as_deleted (win);
 318                 if (dimmed)
 319                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 320         }
 321         if (!dimmed) {
 322                 dimmed = _selected_msg_sent_in_progress (win);
 323                 if (dimmed)
 324                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 325         }
 326
 327         return dimmed;
 328 }
 329
 330 gboolean
 331 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 332 {
 333         ModestDimmingRule *rule = NULL;
 334         gboolean dimmed = FALSE;
 335         TnyFolderType types[3];
 336
 337         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 338         rule = MODEST_DIMMING_RULE (user_data);
 339
 340         /* main window dimming rules */
 341         if (MODEST_IS_MAIN_WINDOW(win)) {
 342
 343                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 344                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 345                 types[2] = TNY_FOLDER_TYPE_ROOT;
 346
 347                 /* Check dimmed rule */
 348                 if (!dimmed) {
 349                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 350                         if (dimmed)
 351                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 352                 }
 353                 if (!dimmed) {
 354                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 355                         if (dimmed)
 356                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 357                 }
 358                 if (!dimmed) {
 359                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 360                 }
 361         /* msg view window dimming rules */
 362         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 363
 364                 /* Check dimmed rule */
 365                 if (!dimmed) {
 366                         dimmed = _transfer_mode_enabled (win);
 367                         if (dimmed)
 368                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 369                 }
 370                 if (!dimmed) {
 371                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 372                         if (dimmed)
 373                                 modest_dimming_rule_set_notification (rule, "");
 374                 }
 375         }
 376
 377         return dimmed;
 378 }
 379
 380
 381 gboolean
 382 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 383 {
 384         ModestDimmingRule *rule = NULL;
 385         gboolean dimmed = FALSE;
 386
 387         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 388         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 389         rule = MODEST_DIMMING_RULE (user_data);
 390
 391         /* Check dimmed rule */
 392         if (!dimmed) {
 393                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 394         }
 395         if (!dimmed) {
 396                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 397                 if (dimmed)
 398                         modest_dimming_rule_set_notification (rule, "");
 399         }
 400
 401         return dimmed;
 402 }
 403
 404 gboolean
 405 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 406 {
 407         gboolean dimmed = FALSE;
 408
 409         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 410
 411         /* Check dimmed rule */
 412         if (!dimmed)
 413                 dimmed = TRUE;
 414
 415         return dimmed;
 416 }
 417
 418 gboolean
 419 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 420 {
 421         ModestDimmingRule *rule = NULL;
 422         guint n_messages = 0;
 423         gboolean dimmed = FALSE;
 424
 425         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 426         rule = MODEST_DIMMING_RULE (user_data);
 427
 428         /* Check dimmed rule */
 429         if (MODEST_IS_MAIN_WINDOW (win)) {
 430                 if (!dimmed) {
 431                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 432                         if (dimmed)
 433                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 434                 }
 435                 if (!dimmed) {
 436                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 437                 }
 438                 if (!dimmed) {
 439                         dimmed = _already_opened_msg (win, &n_messages);
 440                         if (dimmed) {
 441                                 gchar *num = g_strdup_printf ("%d", n_messages);
 442                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 443 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 444                                 modest_dimming_rule_set_notification (rule, message);
 445                                 g_free(message);
 446                                 g_free(num);
 447                         }
 448                 }
 449                 if (!dimmed) {
 450                         dimmed = _marked_as_deleted (win);
 451                         if (dimmed)
 452                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 453                 }
 454                 if (!dimmed) {
 455                         dimmed = _selected_msg_sent_in_progress (win);
 456                         if (dimmed)
 457                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 458                 }
 459         }
 460         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 461                 if (!dimmed) {
 462                         dimmed = _transfer_mode_enabled (win);
 463                         if (dimmed)
 464                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 465                 }
 466                 if (!dimmed) {
 467                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 468                         if (dimmed) {
 469                                 gchar *num = g_strdup("1");
 470                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 471 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 472                                 modest_dimming_rule_set_notification (rule, message);
 473                                 g_free(message);
 474                                 g_free(num);
 475                         }
 476                 }
 477         }
 478
 479         return dimmed;
 480 }
 481
 482 gboolean
 483 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 484 {
 485         ModestDimmingRule *rule = NULL;
 486         GtkWidget *header_view = NULL;
 487         gboolean dimmed = FALSE;
 488
 489         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 490         rule = MODEST_DIMMING_RULE (user_data);
 491
 492         /* main window dimming rules */
 493         if (MODEST_IS_MAIN_WINDOW(win)) {
 494
 495                 /* Check dimmed rule */
 496                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 497                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 498
 499                 /* If the header view has the focus: */
 500                 if (header_view && gtk_widget_is_focus (header_view)) {
 501                         /* Check dimmed rule */
 502                         if (!dimmed)
 503                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 504                 }
 505                 else {
 506                         /* If the folder view has the focus: */
 507                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 508                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 509                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 510                                 TnyFolderStore *folder_store
 511                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 512                                 if (folder_store) {
 513                                         /* Only enable for folders, not accounts,
 514                                          * though the UI spec is not clear about that.
 515                                          * If we enable this for accounts then we must
 516                                          * add code to handle them in modest_ui_actions_on_details(). */
 517                                         if (!TNY_IS_FOLDER(folder_store)) {
 518                                                 dimmed = TRUE;
 519                                                 modest_dimming_rule_set_notification (rule, "");
 520                                         }
 521
 522                                         g_object_unref (folder_store);
 523                                 }
 524                         }
 525
 526                 }
 527
 528         /* msg view window dimming rules */
 529         } else {
 530
 531                 /* Check dimmed rule */
 532                 if (!dimmed) {
 533                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 534                         if (dimmed)
 535                                 modest_dimming_rule_set_notification (rule, "");
 536                 }
 537         }
 538
 539         return dimmed;
 540 }
 541
 542
 543 gboolean
 544 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 545 {
 546         ModestDimmingRule *rule = NULL;
 547         TnyHeaderFlags flags;
 548         gboolean dimmed = FALSE;
 549
 550         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 551         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 552         rule = MODEST_DIMMING_RULE (user_data);
 553
 554         flags = TNY_HEADER_FLAG_SEEN;
 555
 556         /* Check dimmed rule */
 557         if (!dimmed) {
 558                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 559         }
 560         if (!dimmed) {
 561                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 562                 if (dimmed)
 563                         modest_dimming_rule_set_notification (rule, "");
 564         }
 565
 566         return dimmed;
 567 }
 568
 569 gboolean
 570 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 571 {
 572         ModestDimmingRule *rule = NULL;
 573         TnyHeaderFlags flags;
 574         gboolean dimmed = FALSE;
 575
 576         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 577         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 578         rule = MODEST_DIMMING_RULE (user_data);
 579
 580         flags = TNY_HEADER_FLAG_SEEN;
 581
 582         /* Check dimmed rule */
 583         if (!dimmed)
 584                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 585         if (!dimmed) {
 586                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 587                 if (dimmed)
 588                         modest_dimming_rule_set_notification (rule, "");
 589         }
 590
 591         return dimmed;
 592 }
 593
 594 gboolean
 595 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 596 {
 597         ModestDimmingRule *rule = NULL;
 598         gboolean dimmed = FALSE;
 599
 600         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 601         rule = MODEST_DIMMING_RULE (user_data);
 602
 603         if (MODEST_IS_MAIN_WINDOW (win))
 604                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 605         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 606                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 607
 608         return dimmed;
 609 }
 610
 611
 612 gboolean
 613 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 614 {
 615         GtkWidget *folder_view = NULL;
 616         GtkWidget *header_view = NULL;
 617         ModestDimmingRule *rule = NULL;
 618         guint n_messages = 0;
 619         gboolean dimmed = FALSE;
 620
 621         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 622         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 623         rule = MODEST_DIMMING_RULE (user_data);
 624
 625         /* Get the folder view */
 626         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 627                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 628
 629         /* Get header view */
 630         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 631                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 632
 633         /* Check diming rules for folders and messages transfer  */
 634         if (!dimmed) {
 635                 dimmed = _already_opened_msg (win, &n_messages);
 636                 if (dimmed) {
 637                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 638                         modest_dimming_rule_set_notification (rule, message);
 639                         g_free(message);
 640                 }
 641         }
 642         if (!dimmed) {
 643                 if (!gtk_widget_is_focus (folder_view))
 644                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 645
 646         }
 647
 648         return dimmed;
 649 }
 650
 651 gboolean
 652 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 653 {
 654         ModestDimmingRule *rule = NULL;
 655         gboolean dimmed = FALSE;
 656
 657         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 658         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 659         rule = MODEST_DIMMING_RULE (user_data);
 660
 661         /* Check dimmed rule */
 662         if (!dimmed) {
 663                 dimmed = _transfer_mode_enabled (win);
 664                 if (dimmed)
 665                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 666         }
 667         if (!dimmed) {
 668                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 669                 if (dimmed)
 670                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 671         }
 672
 673         return dimmed;
 674 }
 675
 676 gboolean
 677 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 678 {
 679         ModestDimmingRule *rule = NULL;
 680         gboolean dimmed = FALSE;
 681
 682         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 683         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 684         rule = MODEST_DIMMING_RULE (user_data);
 685
 686         /* Check dimmed rule */
 687         if (!dimmed) {
 688                 dimmed = _transfer_mode_enabled (win);
 689                 if (dimmed)
 690                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 691         }
 692
 693         return dimmed;
 694 }
 695
 696 gboolean
 697 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 698 {
 699         ModestDimmingRule *rule = NULL;
 700         TnyFolderType types[3];
 701         gboolean dimmed = FALSE;
 702
 703         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 704         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 705         rule = MODEST_DIMMING_RULE (user_data);
 706
 707         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 708         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 709         types[2] = TNY_FOLDER_TYPE_SENT;
 710
 711         /* Check dimmed rule */
 712         if (!dimmed) {
 713                 dimmed = _clipboard_is_empty (win);
 714                 if (dimmed)
 715                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 716         }
 717         if (!dimmed) {
 718                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 719                 if (dimmed)
 720                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 721         }
 722         if (!dimmed) {
 723                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 724                 if (dimmed) {
 725                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 726                 }
 727         }
 728         if (!dimmed) {
 729                 dimmed = _selected_folder_is_same_as_source (win);
 730                 if (dimmed)
 731                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 732         }
 733
 734         return dimmed;
 735 }
 736
 737
 738 gboolean
 739 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 740 {
 741         ModestDimmingRule *rule = NULL;
 742         gboolean dimmed = FALSE;
 743
 744         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 745         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 746         rule = MODEST_DIMMING_RULE (user_data);
 747
 748         /* Check dimmed rule */
 749         if (!dimmed) {
 750                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 751                 if (dimmed)
 752                         modest_dimming_rule_set_notification (rule, "");
 753         }
 754
 755         return dimmed;
 756 }
 757
 758 gboolean
 759 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 760 {
 761         ModestDimmingRule *rule = NULL;
 762         gboolean dimmed = FALSE;
 763
 764         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 765         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 766         rule = MODEST_DIMMING_RULE (user_data);
 767
 768         /* Check dimmed rule */
 769         if (!dimmed)
 770                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 771
 772         if (!dimmed) {
 773                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 774                 if (dimmed) {
 775                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 776                 }
 777         }
 778
 779         return dimmed;
 780 }
 781
 782 gboolean
 783 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 784 {
 785         ModestDimmingRule *rule = NULL;
 786         gboolean dimmed = FALSE;
 787
 788         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 789         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 790         rule = MODEST_DIMMING_RULE (user_data);
 791
 792         /* Check dimmed rule */
 793         if (!dimmed)
 794                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 795
 796         if (!dimmed) {
 797                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 798                 if (dimmed) {
 799                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 800                 }
 801         }
 802
 803         return dimmed;
 804 }
 805
 806 gboolean
 807 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 808 {
 809         ModestDimmingRule *rule = NULL;
 810         gboolean dimmed = FALSE;
 811
 812         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 813         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 814         rule = MODEST_DIMMING_RULE (user_data);
 815
 816         /* Check in main window if there's only one message selected */
 817         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 818                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 819         }
 820
 821         /* Check in view window if there's any attachment selected */
 822         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 823                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 824                 if (dimmed)
 825                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 826         }
 827
 828         /* cannot purge in editable drafts nor pop folders */
 829         if (!dimmed) {
 830                 dimmed = _invalid_folder_for_purge (win, rule);
 831         }
 832
 833         /* Check if the selected message in main window has attachments */
 834         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 835                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 836                 if (dimmed)
 837                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 838         }
 839
 840         /* Check if all attachments are already purged */
 841         if (!dimmed) {
 842                 dimmed = _purged_attach_selected (win, TRUE, rule);
 843         }
 844
 845         /* Check if the message is already downloaded */
 846         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 847                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 848                 if (dimmed)
 849                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 850         }
 851
 852
 853         return dimmed;
 854 }
 855
 856 gboolean
 857 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 858 {
 859         ModestDimmingRule *rule = NULL;
 860         gboolean dimmed = FALSE;
 861
 862         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 863         rule = MODEST_DIMMING_RULE (user_data);
 864
 865         /* Check dimmed rule */
 866         if (!dimmed) {
 867                 dimmed = _clipboard_is_empty (win);
 868                 if (dimmed)
 869                         modest_dimming_rule_set_notification (rule, "");
 870         }
 871
 872         return dimmed;
 873 }
 874
 875 gboolean
 876 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 877 {
 878         ModestDimmingRule *rule = NULL;
 879         gboolean dimmed = FALSE;
 880
 881         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 882         rule = MODEST_DIMMING_RULE (user_data);
 883
 884         /* Check common dimming rules */
 885         if (!dimmed) {
 886                 dimmed = _invalid_clipboard_selected (win, rule);
 887         }
 888
 889         /* Check window specific dimming rules */
 890         if (MODEST_IS_MAIN_WINDOW (win)) {
 891                 if (!dimmed) {
 892                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 893                         if (dimmed)
 894                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 895                 }
 896                 if (!dimmed) {
 897                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 898                         if (dimmed)
 899                                 modest_dimming_rule_set_notification (rule, "");
 900                 }
 901                 if (!dimmed) {
 902                         dimmed = _selected_msg_sent_in_progress (win);
 903                         if (dimmed)
 904                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 905                 }
 906         }
 907
 908         return dimmed;
 909 }
 910
 911 gboolean
 912 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 913 {
 914         ModestDimmingRule *rule = NULL;
 915         gboolean dimmed = FALSE;
 916
 917         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 918         rule = MODEST_DIMMING_RULE (user_data);
 919
 920         /* Check common dimming rules */
 921         if (!dimmed) {
 922                 dimmed = _invalid_clipboard_selected (win, rule);
 923         }
 924
 925         /* Check window specific dimming rules */
 926         if (MODEST_IS_MAIN_WINDOW (win)) {
 927                 if (!dimmed) {
 928                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 929                         if (dimmed)
 930                                 modest_dimming_rule_set_notification (rule, "");
 931                 }
 932                 if (!dimmed) {
 933                         dimmed = _selected_msg_sent_in_progress (win);
 934                         if (dimmed)
 935                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 936                 }
 937         }
 938
 939         return dimmed;
 940 }
 941
 942 gboolean
 943 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 944 {
 945         ModestDimmingRule *rule = NULL;
 946         gboolean dimmed = FALSE;
 947
 948         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 949         rule = MODEST_DIMMING_RULE (user_data);
 950
 951         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 952
 953         /* Check dimmed rule */
 954         if (!dimmed) {
 955                 dimmed = _transfer_mode_enabled (win);
 956                 if (dimmed)
 957                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 958         }
 959         if (!dimmed) {
 960                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 961                 if (dimmed)
 962                         modest_dimming_rule_set_notification (rule, "");
 963         }
 964
 965         return dimmed;
 966 }
 967
 968 gboolean
 969 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 970 {
 971         ModestDimmingRule *rule = NULL;
 972         gboolean dimmed = FALSE;
 973
 974         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 975         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 976         rule = MODEST_DIMMING_RULE (user_data);
 977
 978         /* Check dimmed rule */
 979         if (!dimmed) {
 980                 dimmed = _transfer_mode_enabled (win);
 981                 if (dimmed)
 982                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 983         }
 984         if (!dimmed) {
 985                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 986                 if (dimmed)
 987                         modest_dimming_rule_set_notification (rule, "");
 988         }
 989
 990         return dimmed;
 991 }
 992
 993
 994 gboolean
 995 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 996 {
 997         const gboolean dimmed =
 998                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 999                         TRUE);
1000
1001         return dimmed;
1002 }
1003
1004 gboolean
1005 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1006 {
1007         ModestDimmingRule *rule = NULL;
1008         TnyFolderType types[1];
1009         guint n_messages = 0;
1010         gboolean dimmed = FALSE;
1011
1012         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1013         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1014         rule = MODEST_DIMMING_RULE (user_data);
1015
1016         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1017
1018         /* Check dimmed rules */
1019         if (!dimmed) {
1020                 dimmed = _already_opened_msg (win, &n_messages);
1021                 if (dimmed)
1022                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1023         }
1024         if (!dimmed) {
1025                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1026                 if (dimmed)
1027                         modest_dimming_rule_set_notification (rule, "");
1028         }
1029         if (!dimmed) {
1030                 dimmed = !_sending_in_progress (win);
1031                 if (dimmed)
1032                         modest_dimming_rule_set_notification (rule, "");
1033         }
1034
1035         return dimmed;
1036 }
1037
1038 gboolean
1039 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1040 {
1041         ModestDimmingRule *rule = NULL;
1042         gboolean dimmed = FALSE;
1043
1044         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1045         rule = MODEST_DIMMING_RULE (user_data);
1046
1047         /* Check dimmed rule */
1048         if (!dimmed) {
1049                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1050                                                           TRUE);
1051                 if (dimmed)
1052                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1053         }
1054
1055         return dimmed;
1056 }
1057
1058 gboolean
1059 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1060 {
1061         ModestDimmingRule *rule = NULL;
1062         gboolean dimmed = FALSE;
1063
1064         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1065         rule = MODEST_DIMMING_RULE (user_data);
1066
1067         /* Check dimmed rule */
1068         if (!dimmed) {
1069                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1070                 gchar *selection = NULL;
1071                 selection = gtk_clipboard_wait_for_text (clipboard);
1072
1073                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
1074         }
1075
1076         return dimmed;
1077 }
1078
1079 /* *********************** static utility functions ******************** */
1080
1081 static gboolean
1082 _marked_as_deleted (ModestWindow *win)
1083 {
1084         gboolean result = FALSE;
1085         TnyHeaderFlags flags;
1086
1087         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1088
1089         flags = TNY_HEADER_FLAG_DELETED;
1090
1091         /* Check dimmed rule */
1092         result = _selected_msg_marked_as (win, flags, FALSE);
1093
1094         return result;
1095 }
1096
1097 static gboolean
1098 _selected_folder_not_writeable (ModestMainWindow *win)
1099 {
1100         GtkWidget *folder_view = NULL;
1101         TnyFolderStore *parent_folder = NULL;
1102         ModestTnyFolderRules rules;
1103         gboolean result = FALSE;
1104
1105         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1106
1107         /* Get folder view */
1108         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1109                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1110         /* If no folder view, always dimmed */
1111         if (!folder_view)
1112                 return TRUE;
1113
1114         /* Get selected folder as parent of new folder to create */
1115         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1116         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1117                 if (parent_folder)
1118                         g_object_unref (parent_folder);
1119                 return TRUE;
1120         }
1121
1122         /* Check dimmed rule */
1123         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1124         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1125
1126         /* free */
1127         g_object_unref (parent_folder);
1128
1129         return result;
1130 }
1131
1132 static gboolean
1133 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1134 {
1135         TnyFolderType types[2];
1136         gboolean result = FALSE;
1137
1138         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1139
1140         types[0] = TNY_FOLDER_TYPE_ROOT;
1141         types[1] = TNY_FOLDER_TYPE_INBOX;
1142
1143         /* Check folder type */
1144         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1145
1146         /* Check pop and MMC accounts */
1147         if (!result) {
1148                 result = _selected_folder_is_MMC_or_POP_root (win);
1149         }
1150
1151         return result;
1152 }
1153
1154
1155 static gboolean
1156 _selected_folder_is_root (ModestMainWindow *win)
1157 {
1158         TnyFolderType types[1];
1159         gboolean result = FALSE;
1160
1161         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1162
1163         types[0] = TNY_FOLDER_TYPE_ROOT;
1164
1165         /* Check folder type */
1166         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1167
1168         /* Check pop and MMC accounts */
1169         if (!result) {
1170                 result = _selected_folder_is_MMC_or_POP_root (win);
1171         }
1172
1173         return result;
1174 }
1175
1176 static gboolean
1177 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1178 {
1179         GtkWidget *folder_view = NULL;
1180         TnyFolderStore *parent_folder = NULL;
1181         gboolean result = FALSE;
1182
1183         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1184                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1185         /* Get selected folder as parent of new folder to create */
1186         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1187         if (!parent_folder)
1188                 return TRUE;
1189
1190         if (TNY_IS_ACCOUNT (parent_folder)) {
1191                 /* If it's the local account then do not dim */
1192                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1193                         result = FALSE;
1194                 } else {
1195                                 /* If it's the MMC root folder then dim it */
1196                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1197                                         result = TRUE;
1198                         } else {
1199                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1200                                 /* If it's POP then dim */
1201                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1202                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1203                         }
1204                 }
1205         }
1206         g_object_unref (parent_folder);
1207
1208         return result;
1209 }
1210
1211
1212
1213
1214 static gboolean
1215 _selected_folder_is_empty (ModestMainWindow *win)
1216 {
1217         GtkWidget *folder_view = NULL;
1218         TnyFolderStore *folder = NULL;
1219         gboolean result = FALSE;
1220
1221         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1222
1223         /* Get folder view */
1224         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1225                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1226         /* If no folder view, always dimmed */
1227         if (!folder_view)
1228                 return TRUE;
1229
1230         /* Get selected folder as parent of new folder to create */
1231         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1232         if (!(folder && TNY_IS_FOLDER(folder))) {
1233                 if (folder)
1234                         g_object_unref (folder);
1235                 return TRUE;
1236         }
1237
1238         /* Check folder type */
1239         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1240
1241         /* free */
1242         g_object_unref (folder);
1243
1244         return result;
1245 }
1246
1247 static gboolean
1248 _selected_folder_is_same_as_source (ModestWindow *win)
1249 {
1250         ModestEmailClipboard *clipboard = NULL;
1251         GtkWidget *folder_view = NULL;
1252         TnyFolderStore *folder = NULL;
1253         gboolean result = FALSE;
1254
1255         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1256
1257         /* Get folder view */
1258         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1259                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1260         if (!folder_view)
1261                 return FALSE;
1262
1263         /* Get selected folder as destination folder */
1264         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1265         if (!(folder && TNY_IS_FOLDER(folder))) {
1266                 result = FALSE;
1267                 goto frees;
1268         }
1269
1270         /* Check clipboard is cleared */
1271         clipboard = modest_runtime_get_email_clipboard ();
1272         if (modest_email_clipboard_cleared (clipboard)) {
1273                 result = FALSE;
1274                 goto frees;
1275         }
1276
1277         /* Check source folder */
1278         result = modest_email_clipboard_check_source_folder (clipboard,
1279                                                              (const TnyFolder *) folder);
1280
1281         /* Free */
1282  frees:
1283         g_object_unref (folder);
1284
1285         return result;
1286 }
1287
1288 static gboolean
1289 _selected_folder_is_any_of_type (ModestWindow *win,
1290                                  TnyFolderType types[],
1291                                  guint ntypes)
1292 {
1293         GtkWidget *folder_view = NULL;
1294         TnyFolderStore *folder = NULL;
1295         TnyFolderType folder_type;
1296         guint i=0;
1297         gboolean result = FALSE;
1298
1299         /*Get curent folder */
1300         if (MODEST_IS_MAIN_WINDOW(win)) {
1301
1302                 /* Get folder view */
1303                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1304                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1305                 /* If no folder view, always dimmed */
1306                 if (!folder_view)
1307                         return TRUE;
1308
1309                 /* Get selected folder as parent of new folder to create */
1310                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1311
1312                 if (!(folder && TNY_IS_FOLDER(folder))) {
1313                         if (folder)
1314                                 g_object_unref (folder);
1315                         return TRUE;
1316                 }
1317
1318                 /* Check folder type */
1319                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1320         }
1321         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1322                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1323                 for (i=0; i < ntypes; i++) {
1324                         result = result || folder_type == types[i];
1325                 }
1326         }
1327
1328
1329         /* free */
1330         g_object_unref (folder);
1331
1332         return result;
1333 }
1334
1335 static gboolean
1336 _folder_is_any_of_type (TnyFolder *folder,
1337                         TnyFolderType types[],
1338                         guint ntypes)
1339 {
1340         TnyFolderType folder_type;
1341         gboolean result = FALSE;
1342         guint i;
1343
1344         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1345
1346         /* Get folder type */
1347         if (modest_tny_folder_is_local_folder (folder))
1348                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1349         else
1350                 folder_type = modest_tny_folder_guess_folder_type (folder);
1351
1352         /* Check foler type */
1353         for (i=0; i < ntypes; i++) {
1354                 result = result || folder_type == types[i];
1355         }
1356
1357         return result;
1358 }
1359
1360 static gboolean
1361 _selected_folder_is_snd_level (ModestMainWindow *win)
1362 {
1363         GtkWidget *folder_view = NULL;
1364         GtkTreeSelection *sel = NULL;
1365         GtkTreeModel *model = NULL;
1366         GtkTreePath *path = NULL;
1367         GtkTreeIter iter;
1368         TnyFolderStore *folder = NULL;
1369         gboolean result = FALSE;
1370
1371         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1372
1373         /*Get curent folder */
1374         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1375                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1376         /* If no folder view, always dimmed */
1377         if (!folder_view)
1378                 goto frees;
1379
1380         /* Get selected folder as parent of new folder to create */
1381         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1382         if (!(folder && TNY_IS_FOLDER(folder))) {
1383                 goto frees;
1384         }
1385
1386         /* Check folder level */
1387         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1388         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1389                 goto frees;
1390         path = gtk_tree_model_get_path (model, &iter);
1391         result = gtk_tree_path_get_depth (path) > 2;
1392
1393  frees:
1394         if (folder != NULL)
1395                 g_object_unref (folder);
1396         if (path != NULL)
1397                 gtk_tree_path_free (path);
1398
1399         return result;
1400
1401 }
1402
1403 static gboolean
1404 _clipboard_is_empty (ModestWindow *win)
1405 {
1406         gboolean result = FALSE;
1407
1408         if (MODEST_IS_MAIN_WINDOW (win)) {
1409                 ModestEmailClipboard *clipboard = NULL;
1410                 clipboard = modest_runtime_get_email_clipboard ();
1411                 if (modest_email_clipboard_cleared (clipboard))
1412                  result = TRUE;
1413         }
1414
1415         return result;
1416 }
1417
1418 static gboolean
1419 _invalid_clipboard_selected (ModestWindow *win,
1420                        ModestDimmingRule *rule)
1421 {
1422         gboolean result = FALSE;
1423
1424         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1425                 GtkClipboard *clipboard = NULL;
1426                 gchar *selection = NULL;
1427                 GtkWidget *focused = NULL;
1428
1429                 /* Get clipboard selection*/
1430                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1431                 selection = gtk_clipboard_wait_for_text (clipboard);
1432
1433                 /* Get focuesed widget */
1434                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1435
1436                 /* Check dimming */
1437                 result = ((selection == NULL) ||
1438                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1439
1440                 if (result)
1441                         modest_dimming_rule_set_notification (rule, _(""));
1442         }
1443         else if (MODEST_IS_MAIN_WINDOW (win)) {
1444                 GtkWidget *header_view = NULL;
1445
1446                 /* Get header view to check selected messages */
1447                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1448                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1449
1450                 /* Check dimming */
1451                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1452                 if (result)
1453                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1454         }
1455
1456         return result;
1457 }
1458
1459
1460 static gboolean
1461 _invalid_attach_selected (ModestWindow *win,
1462                           gboolean unique,
1463                           gboolean for_view,
1464                           ModestDimmingRule *rule)
1465 {
1466         GList *attachments, *node;
1467         gint n_selected;
1468         TnyHeaderFlags flags;
1469         gboolean nested_attachments = FALSE;
1470         gboolean selected_messages = FALSE;
1471         gboolean result = FALSE;
1472
1473         if (MODEST_IS_MAIN_WINDOW (win)) {
1474                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1475                 if (!result)
1476                         result = _selected_msg_marked_as (win, flags, TRUE);
1477         }
1478         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1479
1480                 /* Get selected atachments */
1481                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1482                 n_selected = g_list_length (attachments);
1483
1484                 /* Check unique */
1485                 if (!result) {
1486                         if (unique)
1487                                 result = n_selected != 1;
1488                         else
1489
1490                                 result = n_selected < 1;
1491                 }
1492
1493                 /* Check attached type (view operation not required) */
1494                 if (!result && !for_view)  {
1495                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1496                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1497                                 TnyList *nested_list = tny_simple_list_new ();
1498                                 if (TNY_IS_MSG (mime_part)) {
1499                                         selected_messages = TRUE;
1500                                         result = TRUE;
1501                                 }
1502                                 tny_mime_part_get_parts (mime_part, nested_list);
1503                                 if (tny_list_get_length (nested_list) > 0) {
1504                                 nested_attachments = TRUE;
1505                                 result = TRUE;
1506                                 }
1507                                 g_object_unref (nested_list);
1508                         }
1509                 }
1510
1511                 /* Set notifications */
1512                 if (result && rule != NULL) {
1513                         if (selected_messages) {
1514                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1515                         } else if (nested_attachments) {
1516                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1517                         } else if (n_selected == 0) {
1518                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1519                         } else if (unique) {
1520                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1521                         }
1522                 }
1523
1524                 /* Free */
1525                 g_list_free (attachments);
1526         }
1527
1528         return result;
1529 }
1530
1531 static gboolean
1532 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1533 {
1534         GList *attachments = NULL, *node;
1535         gint purged = 0;
1536         gint n_attachments = 0;
1537         gboolean result = FALSE;
1538
1539         /* This should check if _all_ the attachments are already purged. If only some
1540          * of them are purged, then it does not cause dim as there's a confirmation dialog
1541          * for removing only local attachments */
1542
1543         /* Get selected atachments */
1544         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1545                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1546         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1547                 /* If we're in main window, we won't know if there are already purged attachments */
1548                 return FALSE;
1549         }
1550
1551         if (attachments == NULL)
1552                 return FALSE;
1553
1554         for (node = attachments; node != NULL; node = g_list_next (node)) {
1555                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1556                 if (tny_mime_part_is_purged (mime_part)) {
1557                         purged++;
1558                 }
1559                 n_attachments++;
1560         }
1561
1562         /* Free */
1563         g_list_free (attachments);
1564
1565         if (all)
1566                 result = (purged == n_attachments);
1567         else
1568                 result = (purged > 0);
1569
1570         if (result && (rule != NULL))
1571                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1572
1573         return result;
1574 }
1575
1576 static gboolean
1577 _invalid_msg_selected (ModestMainWindow *win,
1578                        gboolean unique,
1579                        ModestDimmingRule *rule)
1580 {
1581         GtkWidget *header_view = NULL;
1582         GtkWidget *folder_view = NULL;
1583         gboolean selected_headers = FALSE;
1584         gboolean result = FALSE;
1585
1586         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1587         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1588
1589         /* Get header view to check selected messages */
1590         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1591                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1592
1593         /* Get folder view to check focus */
1594         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1595                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1596
1597         /* Get selected headers */
1598         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1599
1600         /* Check dimmed rule (TODO: check focus on widgets */
1601         if (!result) {
1602                 result = ((!selected_headers) ||
1603                           (gtk_widget_is_focus (folder_view)));
1604                 if (result)
1605                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1606         }
1607         if (!result && unique) {
1608                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1609                 if (result)
1610                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1611         }
1612
1613         return result;
1614 }
1615
1616 static gboolean
1617 _already_opened_msg (ModestWindow *win,
1618                      guint *n_messages)
1619 {
1620         //ModestWindow *window = NULL;
1621         ModestWindowMgr *mgr = NULL;
1622         GtkWidget *header_view = NULL;
1623         TnyList *selected_headers = NULL;
1624         TnyIterator *iter = NULL;
1625         TnyHeader *header = NULL;
1626         gboolean found;
1627
1628         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1629
1630         /* Get header view to check selected messages */
1631         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1632                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1633
1634
1635         /* Check no selection */
1636         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1637             return FALSE;
1638
1639         /* Get selected headers */
1640         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1641         if (selected_headers == NULL)
1642                 return FALSE;
1643
1644         *n_messages = tny_list_get_length (selected_headers);
1645
1646         /* Check dimmed rule (TODO: check focus on widgets */
1647         mgr = modest_runtime_get_window_mgr ();
1648         iter = tny_list_create_iterator (selected_headers);
1649         found = FALSE;
1650         while (!tny_iterator_is_done (iter)) {
1651                 header = TNY_HEADER (tny_iterator_get_current (iter));
1652                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1653
1654                 g_object_unref (header);
1655                 tny_iterator_next (iter);
1656
1657                 if (found)
1658                         break;
1659         }
1660
1661         /* free */
1662         if (selected_headers != NULL)
1663                 g_object_unref (selected_headers);
1664         if (iter != NULL)
1665                 g_object_unref (iter);
1666
1667         return found;
1668 }
1669
1670 static gboolean
1671 _selected_msg_marked_as (ModestWindow *win,
1672                          TnyHeaderFlags mask,
1673                          gboolean opposite)
1674 {
1675         GtkWidget *header_view = NULL;
1676         TnyList *selected_headers = NULL;
1677         TnyIterator *iter = NULL;
1678         TnyHeader *header = NULL;
1679         TnyHeaderFlags flags;
1680         gboolean result = FALSE;
1681
1682         /* Get header view to check selected messages */
1683         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1684                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1685
1686         /* Check no selection */
1687         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1688             return TRUE;
1689
1690         /* Get selected headers */
1691         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1692         if (selected_headers == NULL)
1693                 return TRUE;
1694
1695         /* Call the function for each header */
1696         iter = tny_list_create_iterator (selected_headers);
1697         while (!tny_iterator_is_done (iter) && !result) {
1698                 header = TNY_HEADER (tny_iterator_get_current (iter));
1699
1700                 flags = tny_header_get_flags (header);
1701                 if (opposite)
1702                         result = (flags & mask) == 0;
1703                 else
1704                         result = (flags & mask) != 0;
1705
1706                 g_object_unref (header);
1707                 tny_iterator_next (iter);
1708         }
1709
1710         /* free */
1711         if (selected_headers != NULL)
1712                 g_object_unref (selected_headers);
1713         if (iter != NULL)
1714                 g_object_unref (iter);
1715
1716         return result;
1717 }
1718
1719 static gboolean
1720 _msg_download_in_progress (ModestMsgViewWindow *win)
1721 {
1722         gboolean result = FALSE;
1723
1724         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1725
1726         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1727
1728         return result;
1729 }
1730
1731 static gboolean
1732 _msg_download_completed (ModestMainWindow *win)
1733 {
1734         GtkWidget *header_view = NULL;
1735         TnyList *selected_headers = NULL;
1736         TnyIterator *iter = NULL;
1737         TnyHeader *header = NULL;
1738         TnyHeaderFlags flags;
1739         gboolean result = FALSE;
1740
1741         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1742
1743
1744         /* Get header view to check selected messages */
1745         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1746                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1747
1748         /* Check no selection */
1749         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1750             return TRUE;
1751
1752         /* Get selected headers */
1753         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1754         if (selected_headers == NULL)
1755                 return TRUE;
1756
1757         /* Check dimmed rule  */
1758         result = TRUE;
1759         iter = tny_list_create_iterator (selected_headers);
1760         while (!tny_iterator_is_done (iter) && result) {
1761                 header = TNY_HEADER (tny_iterator_get_current (iter));
1762
1763                 flags = tny_header_get_flags (header);
1764                 /* TODO: is this the right flag?, it seems that some
1765                    headers that have been previously downloaded do not
1766                    come with it */
1767                 result = (flags & TNY_HEADER_FLAG_CACHED);
1768
1769                 g_object_unref (header);
1770                 tny_iterator_next (iter);
1771         }
1772
1773         g_object_unref (iter);
1774
1775         return result;
1776 }
1777
1778 static gboolean
1779 _selected_msg_sent_in_progress (ModestWindow *win)
1780 {
1781         ModestTnySendQueue *send_queue = NULL;
1782         GtkWidget *header_view = NULL;
1783         ModestTnyAccountStore *acc_store = NULL;
1784         TnyAccount *account = NULL;
1785         TnyList *header_list = NULL;
1786         TnyIterator *iter = NULL;
1787         TnyHeader *header = NULL;
1788         const gchar *account_name = NULL;
1789         gboolean result = FALSE;
1790         gchar *id = NULL;
1791
1792         /* Get transport account */
1793         acc_store = modest_runtime_get_account_store();
1794         account_name = modest_window_get_active_account (win);
1795
1796         /* If no account defined, this action must be always dimmed  */
1797         if (account_name == NULL) return FALSE;
1798         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1799         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1800
1801         /* Get send queue for current ransport account */
1802         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1803         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1804
1805         if (MODEST_IS_MAIN_WINDOW(win)) {
1806
1807                 /* Get header view to check selected messages */
1808                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1809                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1810
1811                 /* Check no selection */
1812                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1813                     return FALSE;
1814
1815                 /* Get selected headers */
1816                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1817
1818                 /* Get message header */
1819                 if (!header_list) return FALSE;
1820                 iter = tny_list_create_iterator (header_list);
1821                 header = TNY_HEADER (tny_iterator_get_current (iter));
1822
1823                 /* Get message id */
1824                 id = g_strdup(tny_header_get_message_id (header));
1825
1826         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1827
1828                 /* Get message header */
1829                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1830
1831                 /* Get message id */
1832                 id = g_strdup(tny_header_get_message_id (header));
1833         }
1834
1835         /* Check if msg id is being processed inside send queue */
1836         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1837
1838         /* Free */
1839         g_free(id);
1840         g_object_unref (header);
1841         g_object_unref(header_list);
1842         g_object_unref(iter);
1843
1844         return result;
1845 }
1846
1847
1848 static gboolean
1849 _sending_in_progress (ModestWindow *win)
1850 {
1851         gboolean result = FALSE;
1852
1853         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1854
1855         /* Check if send operation is in progress */
1856         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1857
1858         return result;
1859 }
1860
1861 static gboolean
1862 _invalid_folder_for_purge (ModestWindow *win,
1863                            ModestDimmingRule *rule)
1864 {
1865         TnyMsg *msg = NULL;
1866         TnyFolder *folder = NULL;
1867         TnyAccount *account = NULL;
1868         gboolean result = FALSE;
1869
1870         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1871
1872                 /* Get folder and account of message */
1873                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1874                 g_return_val_if_fail(msg != NULL, TRUE);
1875                 folder = tny_msg_get_folder (msg);
1876                 if (folder == NULL) {
1877                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1878                         goto frees;
1879                 }
1880                 g_object_unref (msg);
1881         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1882                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1883                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1884                 if (!folder_view)
1885                         return FALSE;
1886                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1887                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1888                         return FALSE;
1889                 g_object_ref (folder);
1890
1891         } else {
1892                 g_return_val_if_reached (FALSE);
1893         }
1894         account = modest_tny_folder_get_account (folder);
1895         if (account == NULL) goto frees;
1896
1897         /* Check account */
1898         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1899                 TnyFolderType types[2];
1900                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1901                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1902
1903                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1904                         result = TRUE;
1905                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1906                 } else {
1907                         /* We're currently disabling purge in any local store */
1908                         result = TRUE;
1909                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1910                 }
1911         } else {
1912                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1913                 /* If it's POP then dim */
1914                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1915                     MODEST_PROTOCOL_STORE_POP) {
1916                         GList *attachments;
1917                         gint n_selected;
1918                         result = TRUE;
1919                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1920                         n_selected = g_list_length (attachments);
1921                         g_list_free (attachments);
1922
1923                         modest_dimming_rule_set_notification (rule,
1924                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1925                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1926                                                                         n_selected));
1927                 }
1928         }
1929
1930 frees:
1931         if (folder != NULL)
1932                 g_object_unref (folder);
1933         if (account != NULL)
1934                 g_object_unref (account);
1935
1936         return result;
1937 }
1938
1939 static gboolean
1940 _transfer_mode_enabled (ModestWindow *win)
1941 {
1942         gboolean result = FALSE;
1943
1944         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1945
1946         /* Check dimming */
1947         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1948
1949         return result;
1950 }