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, _("ckct_ib_unable_to_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_is_empty (MODEST_MAIN_WINDOW(win));
 893                         if (dimmed)
 894                                 modest_dimming_rule_set_notification (rule, "");
 895                 }
 896                 if (!dimmed) {
 897                         dimmed = _selected_msg_sent_in_progress (win);
 898                         if (dimmed)
 899                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 900                 }
 901         }
 902
 903         return dimmed;
 904 }
 905
 906 gboolean
 907 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 908 {
 909         ModestDimmingRule *rule = NULL;
 910         gboolean dimmed = FALSE;
 911
 912         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 913         rule = MODEST_DIMMING_RULE (user_data);
 914
 915         /* Check common dimming rules */
 916         if (!dimmed) {
 917                 dimmed = _invalid_clipboard_selected (win, rule);
 918         }
 919
 920         /* Check window specific dimming rules */
 921         if (MODEST_IS_MAIN_WINDOW (win)) {
 922                 if (!dimmed) {
 923                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 924                         if (dimmed)
 925                                 modest_dimming_rule_set_notification (rule, "");
 926                 }
 927                 if (!dimmed) {
 928                         dimmed = _selected_msg_sent_in_progress (win);
 929                         if (dimmed)
 930                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 931                 }
 932         }
 933
 934         return dimmed;
 935 }
 936
 937 gboolean
 938 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 939 {
 940         ModestDimmingRule *rule = NULL;
 941         gboolean dimmed = FALSE;
 942
 943         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 944         rule = MODEST_DIMMING_RULE (user_data);
 945
 946         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 947
 948         /* Check dimmed rule */
 949         if (!dimmed) {
 950                 dimmed = _transfer_mode_enabled (win);
 951                 if (dimmed)
 952                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 953         }
 954         if (!dimmed) {
 955                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 956 /*              if (dimmed) */
 957 /*                      modest_dimming_rule_set_notification (rule, ""); */
 958         }
 959
 960         return dimmed;
 961 }
 962
 963 gboolean
 964 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 965 {
 966         ModestDimmingRule *rule = NULL;
 967         gboolean dimmed = FALSE;
 968
 969         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 970         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 971         rule = MODEST_DIMMING_RULE (user_data);
 972
 973         /* Check dimmed rule */
 974         if (!dimmed) {
 975                 dimmed = _transfer_mode_enabled (win);
 976                 if (dimmed)
 977                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 978         }
 979         if (!dimmed) {
 980                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 981 /*              if (dimmed) */
 982 /*                      modest_dimming_rule_set_notification (rule, ""); */
 983         }
 984
 985         return dimmed;
 986 }
 987
 988
 989 gboolean
 990 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 991 {
 992         const gboolean dimmed =
 993                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 994                         TRUE);
 995
 996         return dimmed;
 997 }
 998
 999 gboolean
1000 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1001 {
1002         ModestDimmingRule *rule = NULL;
1003         TnyFolderType types[1];
1004         guint n_messages = 0;
1005         gboolean dimmed = FALSE;
1006
1007         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1008         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1009         rule = MODEST_DIMMING_RULE (user_data);
1010
1011         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1012
1013         /* Check dimmed rules */
1014         if (!dimmed) {
1015                 dimmed = _already_opened_msg (win, &n_messages);
1016                 if (dimmed)
1017                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1018         }
1019         if (!dimmed) {
1020                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1021                 if (dimmed)
1022                         modest_dimming_rule_set_notification (rule, "");
1023         }
1024         if (!dimmed) {
1025                 dimmed = !_sending_in_progress (win);
1026                 if (dimmed)
1027                         modest_dimming_rule_set_notification (rule, "");
1028         }
1029
1030         return dimmed;
1031 }
1032
1033 gboolean
1034 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1035 {
1036         ModestDimmingRule *rule = NULL;
1037         gboolean dimmed = FALSE;
1038
1039         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1040         rule = MODEST_DIMMING_RULE (user_data);
1041
1042         /* Check dimmed rule */
1043         if (!dimmed) {
1044                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1045                                                           TRUE);
1046                 if (dimmed)
1047                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1048         }
1049
1050         return dimmed;
1051 }
1052
1053 gboolean
1054 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1055 {
1056         ModestDimmingRule *rule = NULL;
1057         gboolean dimmed = FALSE;
1058
1059         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1060         rule = MODEST_DIMMING_RULE (user_data);
1061
1062         /* Check dimmed rule */
1063         if (!dimmed) {
1064                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1065                 gchar *selection = NULL;
1066                 selection = gtk_clipboard_wait_for_text (clipboard);
1067
1068                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1069         }
1070
1071         return dimmed;
1072 }
1073
1074 /* *********************** static utility functions ******************** */
1075
1076 static gboolean
1077 _marked_as_deleted (ModestWindow *win)
1078 {
1079         gboolean result = FALSE;
1080         TnyHeaderFlags flags;
1081
1082         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1083
1084         flags = TNY_HEADER_FLAG_DELETED;
1085
1086         /* Check dimmed rule */
1087         result = _selected_msg_marked_as (win, flags, FALSE);
1088
1089         return result;
1090 }
1091
1092 static gboolean
1093 _selected_folder_not_writeable (ModestMainWindow *win)
1094 {
1095         GtkWidget *folder_view = NULL;
1096         TnyFolderStore *parent_folder = NULL;
1097         ModestTnyFolderRules rules;
1098         gboolean result = FALSE;
1099
1100         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1101
1102         /* Get folder view */
1103         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1104                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1105         /* If no folder view, always dimmed */
1106         if (!folder_view)
1107                 return TRUE;
1108
1109         /* Get selected folder as parent of new folder to create */
1110         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1111         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1112                 if (parent_folder)
1113                         g_object_unref (parent_folder);
1114                 return TRUE;
1115         }
1116
1117         /* Check dimmed rule */
1118         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1119         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1120
1121         /* free */
1122         g_object_unref (parent_folder);
1123
1124         return result;
1125 }
1126
1127 static gboolean
1128 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1129 {
1130         TnyFolderType types[2];
1131         gboolean result = FALSE;
1132
1133         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1134
1135         types[0] = TNY_FOLDER_TYPE_ROOT;
1136         types[1] = TNY_FOLDER_TYPE_INBOX;
1137
1138         /* Check folder type */
1139         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1140
1141         /* Check pop and MMC accounts */
1142         if (!result) {
1143                 result = _selected_folder_is_MMC_or_POP_root (win);
1144         }
1145
1146         return result;
1147 }
1148
1149
1150 static gboolean
1151 _selected_folder_is_root (ModestMainWindow *win)
1152 {
1153         TnyFolderType types[1];
1154         gboolean result = FALSE;
1155
1156         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1157
1158         types[0] = TNY_FOLDER_TYPE_ROOT;
1159
1160         /* Check folder type */
1161         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1162
1163         /* Check pop and MMC accounts */
1164         if (!result) {
1165                 result = _selected_folder_is_MMC_or_POP_root (win);
1166         }
1167
1168         return result;
1169 }
1170
1171 static gboolean
1172 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1173 {
1174         GtkWidget *folder_view = NULL;
1175         TnyFolderStore *parent_folder = NULL;
1176         gboolean result = FALSE;
1177
1178         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1179                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1180         /* Get selected folder as parent of new folder to create */
1181         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1182         if (!parent_folder)
1183                 return TRUE;
1184
1185         if (TNY_IS_ACCOUNT (parent_folder)) {
1186                 /* If it's the local account then do not dim */
1187                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1188                         result = FALSE;
1189                 } else {
1190                                 /* If it's the MMC root folder then dim it */
1191                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1192                                         result = TRUE;
1193                         } else {
1194                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1195                                 /* If it's POP then dim */
1196                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1197                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1198                         }
1199                 }
1200         }
1201         g_object_unref (parent_folder);
1202
1203         return result;
1204 }
1205
1206
1207
1208
1209 static gboolean
1210 _selected_folder_is_empty (ModestMainWindow *win)
1211 {
1212         GtkWidget *folder_view = NULL;
1213         TnyFolderStore *folder = NULL;
1214         gboolean result = FALSE;
1215
1216         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1217
1218         /* Get folder view */
1219         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1220                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1221         /* If no folder view, always dimmed */
1222         if (!folder_view)
1223                 return TRUE;
1224
1225         /* Get selected folder as parent of new folder to create */
1226         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1227         if (!(folder && TNY_IS_FOLDER(folder))) {
1228                 if (folder)
1229                         g_object_unref (folder);
1230                 return TRUE;
1231         }
1232
1233         /* Check folder type */
1234         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1235
1236         /* free */
1237         g_object_unref (folder);
1238
1239         return result;
1240 }
1241
1242 static gboolean
1243 _selected_folder_is_same_as_source (ModestWindow *win)
1244 {
1245         ModestEmailClipboard *clipboard = NULL;
1246         GtkWidget *folder_view = NULL;
1247         TnyFolderStore *folder = NULL;
1248         gboolean result = FALSE;
1249
1250         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1251
1252         /* Get folder view */
1253         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1254                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1255         if (!folder_view)
1256                 return FALSE;
1257
1258         /* Get selected folder as destination folder */
1259         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1260         if (!(folder && TNY_IS_FOLDER(folder))) {
1261                 result = FALSE;
1262                 goto frees;
1263         }
1264
1265         /* Check clipboard is cleared */
1266         clipboard = modest_runtime_get_email_clipboard ();
1267         if (modest_email_clipboard_cleared (clipboard)) {
1268                 result = FALSE;
1269                 goto frees;
1270         }
1271
1272         /* Check source folder */
1273         result = modest_email_clipboard_check_source_folder (clipboard,
1274                                                              (const TnyFolder *) folder);
1275
1276         /* Free */
1277  frees:
1278         g_object_unref (folder);
1279
1280         return result;
1281 }
1282
1283 static gboolean
1284 _selected_folder_is_any_of_type (ModestWindow *win,
1285                                  TnyFolderType types[],
1286                                  guint ntypes)
1287 {
1288         GtkWidget *folder_view = NULL;
1289         TnyFolderStore *folder = NULL;
1290         TnyFolderType folder_type;
1291         guint i=0;
1292         gboolean result = FALSE;
1293
1294         /*Get curent folder */
1295         if (MODEST_IS_MAIN_WINDOW(win)) {
1296
1297                 /* Get folder view */
1298                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1299                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1300                 /* If no folder view, always dimmed */
1301                 if (!folder_view)
1302                         return FALSE;
1303
1304                 /* Get selected folder as parent of new folder to create */
1305                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1306
1307                 if (!(folder && TNY_IS_FOLDER(folder))) {
1308                         if (folder)
1309                                 g_object_unref (folder);
1310                         return FALSE;
1311                 }
1312
1313                 /* Check folder type */
1314                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1315         }
1316         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1317                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1318                 for (i=0; i < ntypes; i++) {
1319                         result = result || folder_type == types[i];
1320                 }
1321         }
1322
1323
1324         /* free */
1325         g_object_unref (folder);
1326
1327         return result;
1328 }
1329
1330 static gboolean
1331 _folder_is_any_of_type (TnyFolder *folder,
1332                         TnyFolderType types[],
1333                         guint ntypes)
1334 {
1335         TnyFolderType folder_type;
1336         gboolean result = FALSE;
1337         guint i;
1338
1339         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1340
1341         /* Get folder type */
1342         if (modest_tny_folder_is_local_folder (folder))
1343                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1344         else
1345                 folder_type = modest_tny_folder_guess_folder_type (folder);
1346
1347         /* Check foler type */
1348         for (i=0; i < ntypes; i++) {
1349                 result = result || folder_type == types[i];
1350         }
1351
1352         return result;
1353 }
1354
1355 static gboolean
1356 _selected_folder_is_snd_level (ModestMainWindow *win)
1357 {
1358         GtkWidget *folder_view = NULL;
1359         GtkTreeSelection *sel = NULL;
1360         GtkTreeModel *model = NULL;
1361         GtkTreePath *path = NULL;
1362         GtkTreeIter iter;
1363         TnyFolderStore *folder = NULL;
1364         gboolean result = FALSE;
1365
1366         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1367
1368         /*Get curent folder */
1369         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1370                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1371         /* If no folder view, always dimmed */
1372         if (!folder_view)
1373                 goto frees;
1374
1375         /* Get selected folder as parent of new folder to create */
1376         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1377         if (!(folder && TNY_IS_FOLDER(folder))) {
1378                 goto frees;
1379         }
1380
1381         /* Check folder level */
1382         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1383         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1384                 goto frees;
1385         path = gtk_tree_model_get_path (model, &iter);
1386         result = gtk_tree_path_get_depth (path) > 2;
1387
1388  frees:
1389         if (folder != NULL)
1390                 g_object_unref (folder);
1391         if (path != NULL)
1392                 gtk_tree_path_free (path);
1393
1394         return result;
1395
1396 }
1397
1398 static gboolean
1399 _clipboard_is_empty (ModestWindow *win)
1400 {
1401         gboolean result = FALSE;
1402
1403         if (MODEST_IS_MAIN_WINDOW (win)) {
1404                 ModestEmailClipboard *clipboard = NULL;
1405                 clipboard = modest_runtime_get_email_clipboard ();
1406                 if (modest_email_clipboard_cleared (clipboard))
1407                  result = TRUE;
1408         }
1409
1410         return result;
1411 }
1412
1413 static gboolean
1414 _invalid_clipboard_selected (ModestWindow *win,
1415                        ModestDimmingRule *rule)
1416 {
1417         gboolean result = FALSE;
1418
1419         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1420                 GtkClipboard *clipboard = NULL;
1421                 gchar *selection = NULL;
1422                 GtkWidget *focused = NULL;
1423
1424                 /* Get clipboard selection*/
1425                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1426                 selection = gtk_clipboard_wait_for_text (clipboard);
1427
1428                 /* Get focuesed widget */
1429                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1430
1431                 /* Check dimming */
1432                 result = ((selection == NULL) ||
1433                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1434
1435                 if (result)
1436                         modest_dimming_rule_set_notification (rule, "");
1437         }
1438         else if (MODEST_IS_MAIN_WINDOW (win)) {
1439                 GtkWidget *header_view = NULL;
1440
1441                 /* Get header view to check selected messages */
1442                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1443                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1444
1445                 /* Check dimming */
1446                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1447                 if (result)
1448                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1449         }
1450
1451         return result;
1452 }
1453
1454
1455 static gboolean
1456 _invalid_attach_selected (ModestWindow *win,
1457                           gboolean unique,
1458                           gboolean for_view,
1459                           ModestDimmingRule *rule)
1460 {
1461         GList *attachments, *node;
1462         gint n_selected;
1463         TnyHeaderFlags flags;
1464         gboolean nested_attachments = FALSE;
1465         gboolean selected_messages = FALSE;
1466         gboolean result = FALSE;
1467
1468         if (MODEST_IS_MAIN_WINDOW (win)) {
1469                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1470                 if (!result)
1471                         result = _selected_msg_marked_as (win, flags, TRUE);
1472         }
1473         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1474
1475                 /* Get selected atachments */
1476                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1477                 n_selected = g_list_length (attachments);
1478
1479                 /* Check unique */
1480                 if (!result) {
1481                         if (unique)
1482                                 result = n_selected != 1;
1483                         else
1484
1485                                 result = n_selected < 1;
1486                 }
1487
1488                 /* Check attached type (view operation not required) */
1489                 if (!result && !for_view)  {
1490                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1491                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1492                                 TnyList *nested_list = tny_simple_list_new ();
1493                                 if (TNY_IS_MSG (mime_part)) {
1494                                         selected_messages = TRUE;
1495                                         result = TRUE;
1496                                 }
1497                                 tny_mime_part_get_parts (mime_part, nested_list);
1498                                 if (tny_list_get_length (nested_list) > 0) {
1499                                 nested_attachments = TRUE;
1500                                 result = TRUE;
1501                                 }
1502                                 g_object_unref (nested_list);
1503                         }
1504                 }
1505
1506                 /* Set notifications */
1507                 if (result && rule != NULL) {
1508                         if (selected_messages) {
1509                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1510                         } else if (nested_attachments) {
1511                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1512                         } else if (n_selected == 0) {
1513                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1514                         } else if (unique) {
1515                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1516                         }
1517                 }
1518
1519                 /* Free */
1520                 g_list_free (attachments);
1521         }
1522
1523         return result;
1524 }
1525
1526 static gboolean
1527 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1528 {
1529         GList *attachments = NULL, *node;
1530         gint purged = 0;
1531         gint n_attachments = 0;
1532         gboolean result = FALSE;
1533
1534         /* This should check if _all_ the attachments are already purged. If only some
1535          * of them are purged, then it does not cause dim as there's a confirmation dialog
1536          * for removing only local attachments */
1537
1538         /* Get selected atachments */
1539         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1540                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1541         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1542                 /* If we're in main window, we won't know if there are already purged attachments */
1543                 return FALSE;
1544         }
1545
1546         if (attachments == NULL)
1547                 return FALSE;
1548
1549         for (node = attachments; node != NULL; node = g_list_next (node)) {
1550                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1551                 if (tny_mime_part_is_purged (mime_part)) {
1552                         purged++;
1553                 }
1554                 n_attachments++;
1555         }
1556
1557         /* Free */
1558         g_list_free (attachments);
1559
1560         if (all)
1561                 result = (purged == n_attachments);
1562         else
1563                 result = (purged > 0);
1564
1565         if (result && (rule != NULL))
1566                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1567
1568         return result;
1569 }
1570
1571 static gboolean
1572 _invalid_msg_selected (ModestMainWindow *win,
1573                        gboolean unique,
1574                        ModestDimmingRule *rule)
1575 {
1576         GtkWidget *header_view = NULL;
1577         GtkWidget *folder_view = NULL;
1578         gboolean selected_headers = FALSE;
1579         gboolean result = FALSE;
1580
1581         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1582         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1583
1584         /* Get header view to check selected messages */
1585         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1586                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1587
1588         /* Get folder view to check focus */
1589         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1590                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1591
1592         /* Get selected headers */
1593         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1594
1595         /* Check dimmed rule (TODO: check focus on widgets */
1596         if (!result) {
1597                 result = ((!selected_headers) ||
1598                           (gtk_widget_is_focus (folder_view)));
1599                 if (result)
1600                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1601         }
1602         if (!result && unique) {
1603                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1604                 if (result)
1605                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1606         }
1607
1608         return result;
1609 }
1610
1611 static gboolean
1612 _already_opened_msg (ModestWindow *win,
1613                      guint *n_messages)
1614 {
1615         //ModestWindow *window = NULL;
1616         ModestWindowMgr *mgr = NULL;
1617         GtkWidget *header_view = NULL;
1618         TnyList *selected_headers = NULL;
1619         TnyIterator *iter = NULL;
1620         TnyHeader *header = NULL;
1621         gboolean found;
1622
1623         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1624
1625         /* Get header view to check selected messages */
1626         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1627                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1628
1629
1630         /* Check no selection */
1631         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1632             return FALSE;
1633
1634         /* Get selected headers */
1635         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1636         if (selected_headers == NULL)
1637                 return FALSE;
1638
1639         *n_messages = tny_list_get_length (selected_headers);
1640
1641         /* Check dimmed rule (TODO: check focus on widgets */
1642         mgr = modest_runtime_get_window_mgr ();
1643         iter = tny_list_create_iterator (selected_headers);
1644         found = FALSE;
1645         while (!tny_iterator_is_done (iter)) {
1646                 header = TNY_HEADER (tny_iterator_get_current (iter));
1647                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1648
1649                 g_object_unref (header);
1650                 tny_iterator_next (iter);
1651
1652                 if (found)
1653                         break;
1654         }
1655
1656         /* free */
1657         if (selected_headers != NULL)
1658                 g_object_unref (selected_headers);
1659         if (iter != NULL)
1660                 g_object_unref (iter);
1661
1662         return found;
1663 }
1664
1665 static gboolean
1666 _selected_msg_marked_as (ModestWindow *win,
1667                          TnyHeaderFlags mask,
1668                          gboolean opposite)
1669 {
1670         GtkWidget *header_view = NULL;
1671         TnyList *selected_headers = NULL;
1672         TnyIterator *iter = NULL;
1673         TnyHeader *header = NULL;
1674         TnyHeaderFlags flags;
1675         gboolean result = FALSE;
1676
1677         /* Get header view to check selected messages */
1678         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1679                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1680
1681         /* Check no selection */
1682         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1683             return TRUE;
1684
1685         /* Get selected headers */
1686         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1687         if (selected_headers == NULL)
1688                 return TRUE;
1689
1690         /* Call the function for each header */
1691         iter = tny_list_create_iterator (selected_headers);
1692         while (!tny_iterator_is_done (iter) && !result) {
1693                 header = TNY_HEADER (tny_iterator_get_current (iter));
1694
1695                 flags = tny_header_get_flags (header);
1696                 if (opposite)
1697                         result = (flags & mask) == 0;
1698                 else
1699                         result = (flags & mask) != 0;
1700
1701                 g_object_unref (header);
1702                 tny_iterator_next (iter);
1703         }
1704
1705         /* free */
1706         if (selected_headers != NULL)
1707                 g_object_unref (selected_headers);
1708         if (iter != NULL)
1709                 g_object_unref (iter);
1710
1711         return result;
1712 }
1713
1714 static gboolean
1715 _msg_download_in_progress (ModestMsgViewWindow *win)
1716 {
1717         gboolean result = FALSE;
1718
1719         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1720
1721         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1722
1723         return result;
1724 }
1725
1726 static gboolean
1727 _msg_download_completed (ModestMainWindow *win)
1728 {
1729         GtkWidget *header_view = NULL;
1730         TnyList *selected_headers = NULL;
1731         TnyIterator *iter = NULL;
1732         TnyHeader *header = NULL;
1733         TnyHeaderFlags flags;
1734         gboolean result = FALSE;
1735
1736         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1737
1738
1739         /* Get header view to check selected messages */
1740         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1741                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1742
1743         /* Check no selection */
1744         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1745             return TRUE;
1746
1747         /* Get selected headers */
1748         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1749         if (selected_headers == NULL)
1750                 return TRUE;
1751
1752         /* Check dimmed rule  */
1753         result = TRUE;
1754         iter = tny_list_create_iterator (selected_headers);
1755         while (!tny_iterator_is_done (iter) && result) {
1756                 header = TNY_HEADER (tny_iterator_get_current (iter));
1757
1758                 flags = tny_header_get_flags (header);
1759                 /* TODO: is this the right flag?, it seems that some
1760                    headers that have been previously downloaded do not
1761                    come with it */
1762                 result = (flags & TNY_HEADER_FLAG_CACHED);
1763
1764                 g_object_unref (header);
1765                 tny_iterator_next (iter);
1766         }
1767
1768         g_object_unref (iter);
1769
1770         return result;
1771 }
1772
1773 static gboolean
1774 _selected_msg_sent_in_progress (ModestWindow *win)
1775 {
1776         ModestTnySendQueue *send_queue = NULL;
1777         GtkWidget *header_view = NULL;
1778         ModestTnyAccountStore *acc_store = NULL;
1779         TnyAccount *account = NULL;
1780         TnyList *header_list = NULL;
1781         TnyIterator *iter = NULL;
1782         TnyHeader *header = NULL;
1783         const gchar *account_name = NULL;
1784         gboolean result = FALSE;
1785         gchar *id = NULL;
1786
1787         /* Get transport account */
1788         acc_store = modest_runtime_get_account_store();
1789         account_name = modest_window_get_active_account (win);
1790
1791         /* If no account defined, this action must be always dimmed  */
1792         if (account_name == NULL) return FALSE;
1793         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1794         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1795
1796         /* Get send queue for current ransport account */
1797         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1798         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1799
1800         if (MODEST_IS_MAIN_WINDOW(win)) {
1801
1802                 /* Get header view to check selected messages */
1803                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1804                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1805
1806                 /* Check no selection */
1807                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1808                     return FALSE;
1809
1810                 /* Get selected headers */
1811                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1812
1813                 /* Get message header */
1814                 if (!header_list) return FALSE;
1815                 iter = tny_list_create_iterator (header_list);
1816                 header = TNY_HEADER (tny_iterator_get_current (iter));
1817
1818                 /* Get message id */
1819                 id = g_strdup(tny_header_get_message_id (header));
1820
1821         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1822
1823                 /* Get message header */
1824                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1825
1826                 /* Get message id */
1827                 id = g_strdup(tny_header_get_message_id (header));
1828         }
1829
1830         /* Check if msg id is being processed inside send queue */
1831         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1832
1833         /* Free */
1834         g_free(id);
1835         g_object_unref (header);
1836         g_object_unref(header_list);
1837         g_object_unref(iter);
1838
1839         return result;
1840 }
1841
1842
1843 static gboolean
1844 _sending_in_progress (ModestWindow *win)
1845 {
1846         gboolean result = FALSE;
1847
1848         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1849
1850         /* Check if send operation is in progress */
1851         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1852
1853         return result;
1854 }
1855
1856 static gboolean
1857 _invalid_folder_for_purge (ModestWindow *win,
1858                            ModestDimmingRule *rule)
1859 {
1860         TnyMsg *msg = NULL;
1861         TnyFolder *folder = NULL;
1862         TnyAccount *account = NULL;
1863         gboolean result = FALSE;
1864
1865         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1866
1867                 /* Get folder and account of message */
1868                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1869                 g_return_val_if_fail(msg != NULL, TRUE);
1870                 folder = tny_msg_get_folder (msg);
1871                 if (folder == NULL) {
1872                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1873                         goto frees;
1874                 }
1875                 g_object_unref (msg);
1876         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1877                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1878                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1879                 if (!folder_view)
1880                         return FALSE;
1881                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1882                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1883                         return FALSE;
1884                 g_object_ref (folder);
1885
1886         } else {
1887                 g_return_val_if_reached (FALSE);
1888         }
1889         account = modest_tny_folder_get_account (folder);
1890         if (account == NULL) goto frees;
1891
1892         /* Check account */
1893         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1894                 TnyFolderType types[2];
1895                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1896                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1897
1898                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1899                         result = TRUE;
1900                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1901                 } else {
1902                         /* We're currently disabling purge in any local store */
1903                         result = TRUE;
1904                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1905                 }
1906         } else {
1907                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1908                 /* If it's POP then dim */
1909                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1910                     MODEST_PROTOCOL_STORE_POP) {
1911                         GList *attachments;
1912                         gint n_selected;
1913                         result = TRUE;
1914                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1915                         n_selected = g_list_length (attachments);
1916                         g_list_free (attachments);
1917
1918                         modest_dimming_rule_set_notification (rule,
1919                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1920                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1921                                                                         n_selected));
1922                 }
1923         }
1924
1925 frees:
1926         if (folder != NULL)
1927                 g_object_unref (folder);
1928         if (account != NULL)
1929                 g_object_unref (account);
1930
1931         return result;
1932 }
1933
1934 static gboolean
1935 _transfer_mode_enabled (ModestWindow *win)
1936 {
1937         gboolean result = FALSE;
1938
1939         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1940
1941         /* Check dimming */
1942         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1943
1944         return result;
1945 }