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

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-text-utils.h"
  39 #include <widgets/modest-attachments-view.h>
  40 #include <modest-runtime.h>
  41 #include <tny-simple-list.h>
  42
  43
  44 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  45 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  46 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  47 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  48 static gboolean _clipboard_is_empty (ModestWindow *win);
  49 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  50 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  51 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  52 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  53 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  55 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  60 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  61 static gboolean _msg_download_completed (ModestMainWindow *win);
  62 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  63 static gboolean _sending_in_progress (ModestWindow *win);
  64 static gboolean _marked_as_deleted (ModestWindow *win);
  65 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  66 static gboolean _transfer_mode_enabled (ModestWindow *win);
  67
  68
  69 gboolean
  70 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  71 {
  72         ModestDimmingRule *rule = NULL;
  73         gboolean dimmed = FALSE;
  74
  75         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  76         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  77         rule = MODEST_DIMMING_RULE (user_data);
  78
  79         /* Check dimmed rule */
  80         if (!dimmed) {
  81                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  82                 if (dimmed)
  83                         modest_dimming_rule_set_notification (rule, "");
  84         }
  85
  86         return dimmed;
  87 }
  88
  89 gboolean
  90 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  91 {
  92         ModestDimmingRule *rule = NULL;
  93         gboolean dimmed = FALSE;
  94
  95         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  96         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  97         rule = MODEST_DIMMING_RULE (user_data);
  98
  99         /* Check common new folder menu item dimming rules */
 100         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 101
 102         /* Check CSM specific dimming rules */
 103         if (!dimmed) {
 104                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 105                 if (dimmed)
 106                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 107         }
 108
 109         return dimmed;
 110 }
 111
 112 gboolean
 113 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 114 {
 115         ModestDimmingRule *rule = NULL;
 116         GtkWidget *folder_view = NULL;
 117         TnyFolderStore *parent_folder = NULL;
 118         gboolean dimmed = FALSE;
 119
 120         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 121         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 122         rule = MODEST_DIMMING_RULE (user_data);
 123
 124         /* Get selected folder as parent of new folder to create */
 125         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 126                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 127         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 128         if (!parent_folder)
 129                 return TRUE;
 130
 131         if (TNY_IS_ACCOUNT (parent_folder)) {
 132                 /* If it's the local account then do not dim */
 133                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 134                         dimmed = FALSE;
 135                 } else {
 136                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 137                         /* If it's POP then dim */
 138                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 139                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 140                         if (dimmed)
 141                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 142                 }
 143         } else {
 144                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 145
 146                 TnyFolderType types[3];
 147
 148                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 149                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 150                 types[2] = TNY_FOLDER_TYPE_SENT;
 151
 152                 /* Apply folder rules */
 153                 if (!dimmed) {
 154                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 155                         if (dimmed)
 156                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 157                 }
 158                 if (!dimmed) {
 159                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 160                         if (dimmed)
 161                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 162                 }
 163         }
 164         g_object_unref (parent_folder);
 165
 166         return dimmed;
 167 }
 168
 169 gboolean
 170 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 171 {
 172         ModestDimmingRule *rule = NULL;
 173         GtkWidget *folder_view = NULL;
 174         GtkWidget *header_view = NULL;
 175         gboolean dimmed = FALSE;
 176
 177         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 178         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 179         rule = MODEST_DIMMING_RULE (user_data);
 180
 181         /* Get the folder view */
 182         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 183                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 184
 185         /* Get header view */
 186         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 187                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 188
 189         if (header_view && gtk_widget_is_focus (header_view))
 190                 dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 191
 192         if (folder_view && gtk_widget_is_focus (folder_view))
 193                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 194
 195         return dimmed;
 196 }
 197
 198
 199
 200 gboolean
 201 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 202 {
 203         ModestDimmingRule *rule = NULL;
 204         TnyFolderType types[5];
 205         gboolean dimmed = FALSE;
 206
 207         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 208         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 209         rule = MODEST_DIMMING_RULE (user_data);
 210
 211         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 212         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 213         types[2] = TNY_FOLDER_TYPE_SENT;
 214         types[3] = TNY_FOLDER_TYPE_INBOX;
 215         types[4] = TNY_FOLDER_TYPE_ROOT;
 216
 217
 218         /* Check dimmed rule */
 219         if (!dimmed) {
 220                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 221                 if (dimmed)
 222                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 223         }
 224         if (!dimmed) {
 225                 dimmed = _selected_folder_is_any_of_type (win, types, 5);
 226                 if (dimmed)
 227                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 228         }
 229         if (!dimmed) {
 230                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 231                 if (dimmed)
 232                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 233         }
 234         if (!dimmed) {
 235                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 236                 if (dimmed)
 237                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 238         }
 239
 240         return dimmed;
 241 }
 242
 243 gboolean
 244 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 245 {
 246         ModestDimmingRule *rule = NULL;
 247         gboolean dimmed = FALSE;
 248
 249         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 250         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 251         rule = MODEST_DIMMING_RULE (user_data);
 252
 253         /* Check dimmed rule */
 254         if (!dimmed) {
 255                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 256                 if (dimmed)
 257                         modest_dimming_rule_set_notification (rule, "");
 258         }
 259
 260         return dimmed;
 261
 262 }
 263
 264 gboolean
 265 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 266 {
 267         ModestDimmingRule *rule = NULL;
 268         TnyFolderType types[3];
 269         gboolean dimmed = FALSE;
 270
 271         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 272         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 273         rule = MODEST_DIMMING_RULE (user_data);
 274
 275         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 276         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 277         types[2] = TNY_FOLDER_TYPE_SENT;
 278
 279         /* Check dimmed rule */
 280         if (!dimmed) {
 281                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 282                 if (dimmed)
 283                         modest_dimming_rule_set_notification (rule, "");
 284         }
 285         if (!dimmed) {
 286                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 287                 if (dimmed)
 288                         modest_dimming_rule_set_notification (rule, "");
 289         }
 290         if (!dimmed) {
 291                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 292                 if (dimmed)
 293                         modest_dimming_rule_set_notification (rule, "");
 294         }
 295
 296         return dimmed;
 297 }
 298
 299 gboolean
 300 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 301 {
 302         ModestDimmingRule *rule = NULL;
 303         gboolean dimmed = FALSE;
 304
 305         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 306         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 307         rule = MODEST_DIMMING_RULE (user_data);
 308
 309         /* Check dimmed rule */
 310         if (!dimmed) {
 311                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 312         }
 313         if (!dimmed) {
 314                 dimmed = _marked_as_deleted (win);
 315                 if (dimmed)
 316                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 317         }
 318         if (!dimmed) {
 319                 dimmed = _selected_msg_sent_in_progress (win);
 320                 if (dimmed)
 321                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 322         }
 323
 324         return dimmed;
 325 }
 326
 327 gboolean
 328 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 329 {
 330         ModestDimmingRule *rule = NULL;
 331         gboolean dimmed = FALSE;
 332         TnyFolderType types[3];
 333
 334         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 335         rule = MODEST_DIMMING_RULE (user_data);
 336
 337         /* main window dimming rules */
 338         if (MODEST_IS_MAIN_WINDOW(win)) {
 339
 340                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 341                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 342                 types[2] = TNY_FOLDER_TYPE_ROOT;
 343
 344                 /* Check dimmed rule */
 345                 if (!dimmed) {
 346                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 347                         if (dimmed)
 348                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 349                 }
 350                 if (!dimmed) {
 351                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 352                         if (dimmed)
 353                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 354                 }
 355                 if (!dimmed) {
 356                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 357                 }
 358         /* msg view window dimming rules */
 359         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 360
 361                 /* Check dimmed rule */
 362                 if (!dimmed) {
 363                         dimmed = _transfer_mode_enabled (win);
 364                         if (dimmed)
 365                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 366                 }
 367                 if (!dimmed) {
 368                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 369                         if (dimmed)
 370                                 modest_dimming_rule_set_notification (rule, "");
 371                 }
 372         }
 373
 374         return dimmed;
 375 }
 376
 377
 378 gboolean
 379 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 380 {
 381         ModestDimmingRule *rule = NULL;
 382         gboolean dimmed = FALSE;
 383
 384         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 385         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 386         rule = MODEST_DIMMING_RULE (user_data);
 387
 388         /* Check dimmed rule */
 389         if (!dimmed) {
 390                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 391         }
 392         if (!dimmed) {
 393                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 394                 if (dimmed)
 395                         modest_dimming_rule_set_notification (rule, "");
 396         }
 397
 398         return dimmed;
 399 }
 400
 401 gboolean
 402 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 403 {
 404         gboolean dimmed = FALSE;
 405
 406         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 407
 408         /* Check dimmed rule */
 409         if (!dimmed)
 410                 dimmed = TRUE;
 411
 412         return dimmed;
 413 }
 414
 415 gboolean
 416 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 417 {
 418         ModestDimmingRule *rule = NULL;
 419         guint n_messages = 0;
 420         gboolean dimmed = FALSE;
 421
 422         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 423         rule = MODEST_DIMMING_RULE (user_data);
 424
 425         /* Check dimmed rule */
 426         if (MODEST_IS_MAIN_WINDOW (win)) {
 427                 if (!dimmed) {
 428                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 429                         if (dimmed)
 430                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 431                 }
 432                 if (!dimmed) {
 433                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 434                 }
 435                 if (!dimmed) {
 436                         dimmed = _already_opened_msg (win, &n_messages);
 437                         if (dimmed) {
 438                                 gchar *num = g_strdup_printf ("%d", n_messages);
 439                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 440 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 441                                 modest_dimming_rule_set_notification (rule, message);
 442                                 g_free(message);
 443                                 g_free(num);
 444                         }
 445                 }
 446                 if (!dimmed) {
 447                         dimmed = _marked_as_deleted (win);
 448                         if (dimmed)
 449                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 450                 }
 451                 if (!dimmed) {
 452                         dimmed = _selected_msg_sent_in_progress (win);
 453                         if (dimmed)
 454                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 455                 }
 456         }
 457         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 458                 if (!dimmed) {
 459                         dimmed = _transfer_mode_enabled (win);
 460                         if (dimmed)
 461                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 462                 }
 463                 if (!dimmed) {
 464                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 465                         if (dimmed) {
 466                                 gchar *num = g_strdup("1");
 467                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 468 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 469                                 modest_dimming_rule_set_notification (rule, message);
 470                                 g_free(message);
 471                                 g_free(num);
 472                         }
 473                 }
 474         }
 475
 476         return dimmed;
 477 }
 478
 479 gboolean
 480 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 481 {
 482         ModestDimmingRule *rule = NULL;
 483         GtkWidget *header_view = NULL;
 484         gboolean dimmed = FALSE;
 485
 486         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 487         rule = MODEST_DIMMING_RULE (user_data);
 488
 489         /* main window dimming rules */
 490         if (MODEST_IS_MAIN_WINDOW(win)) {
 491
 492                 /* Check dimmed rule */
 493                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 494                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 495
 496                 /* If the header view has the focus: */
 497                 if (header_view && gtk_widget_is_focus (header_view)) {
 498                         /* Check dimmed rule */
 499                         if (!dimmed)
 500                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 501                 }
 502                 else {
 503                         /* If the folder view has the focus: */
 504                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 505                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 506                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 507                                 TnyFolderStore *folder_store
 508                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 509                                 if (folder_store) {
 510                                         /* Only enable for folders, not accounts,
 511                                          * though the UI spec is not clear about that.
 512                                          * If we enable this for accounts then we must
 513                                          * add code to handle them in modest_ui_actions_on_details(). */
 514                                         if (!TNY_IS_FOLDER(folder_store)) {
 515                                                 dimmed = TRUE;
 516                                                 modest_dimming_rule_set_notification (rule, "");
 517                                         }
 518
 519                                         g_object_unref (folder_store);
 520                                 }
 521                         }
 522
 523                 }
 524
 525         /* msg view window dimming rules */
 526         } else {
 527
 528                 /* Check dimmed rule */
 529                 if (!dimmed) {
 530                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 531                         if (dimmed)
 532                                 modest_dimming_rule_set_notification (rule, "");
 533                 }
 534         }
 535
 536         return dimmed;
 537 }
 538
 539
 540 gboolean
 541 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 542 {
 543         ModestDimmingRule *rule = NULL;
 544         TnyHeaderFlags flags;
 545         gboolean dimmed = FALSE;
 546
 547         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 548         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 549         rule = MODEST_DIMMING_RULE (user_data);
 550
 551         flags = TNY_HEADER_FLAG_SEEN;
 552
 553         /* Check dimmed rule */
 554         if (!dimmed) {
 555                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 556         }
 557         if (!dimmed) {
 558                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 559                 if (dimmed)
 560                         modest_dimming_rule_set_notification (rule, "");
 561         }
 562
 563         return dimmed;
 564 }
 565
 566 gboolean
 567 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 568 {
 569         ModestDimmingRule *rule = NULL;
 570         TnyHeaderFlags flags;
 571         gboolean dimmed = FALSE;
 572
 573         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 574         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 575         rule = MODEST_DIMMING_RULE (user_data);
 576
 577         flags = TNY_HEADER_FLAG_SEEN;
 578
 579         /* Check dimmed rule */
 580         if (!dimmed)
 581                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 582         if (!dimmed) {
 583                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 584                 if (dimmed)
 585                         modest_dimming_rule_set_notification (rule, "");
 586         }
 587
 588         return dimmed;
 589 }
 590
 591 gboolean
 592 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 593 {
 594         ModestDimmingRule *rule = NULL;
 595         gboolean dimmed = FALSE;
 596
 597         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 598         rule = MODEST_DIMMING_RULE (user_data);
 599
 600         if (MODEST_IS_MAIN_WINDOW (win))
 601                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 602         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 603                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 604
 605         return dimmed;
 606 }
 607
 608
 609 gboolean
 610 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 611 {
 612         GtkWidget *folder_view = NULL;
 613         GtkWidget *header_view = NULL;
 614         ModestDimmingRule *rule = NULL;
 615         gboolean dimmed = FALSE;
 616
 617         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 618         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 619         rule = MODEST_DIMMING_RULE (user_data);
 620
 621         /* Get the folder view */
 622         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 623                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 624
 625         /* Get header view */
 626         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 627                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 628
 629         /* Check diming rules for folders and messages transfer  */
 630         if (!dimmed) {
 631                 if (!gtk_widget_is_focus (folder_view))
 632                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 633
 634         }
 635
 636         return dimmed;
 637 }
 638
 639 gboolean
 640 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 641 {
 642         ModestDimmingRule *rule = NULL;
 643         gboolean dimmed = FALSE;
 644
 645         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 646         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 647         rule = MODEST_DIMMING_RULE (user_data);
 648
 649         /* Check dimmed rule */
 650         if (!dimmed) {
 651                 dimmed = _transfer_mode_enabled (win);
 652                 if (dimmed)
 653                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 654         }
 655         if (!dimmed) {
 656                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 657                 if (dimmed)
 658                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 659         }
 660
 661         return dimmed;
 662 }
 663
 664 gboolean
 665 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 666 {
 667         ModestDimmingRule *rule = NULL;
 668         gboolean dimmed = FALSE;
 669
 670         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 671         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 672         rule = MODEST_DIMMING_RULE (user_data);
 673
 674         /* Check dimmed rule */
 675         if (!dimmed) {
 676                 dimmed = _transfer_mode_enabled (win);
 677                 if (dimmed)
 678                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 679         }
 680
 681         return dimmed;
 682 }
 683
 684 gboolean
 685 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 686 {
 687         ModestDimmingRule *rule = NULL;
 688         TnyFolderType types[3];
 689         gboolean dimmed = FALSE;
 690
 691         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 692         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 693         rule = MODEST_DIMMING_RULE (user_data);
 694
 695         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 696         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 697         types[2] = TNY_FOLDER_TYPE_SENT;
 698
 699         /* Check dimmed rule */
 700         if (!dimmed) {
 701                 dimmed = _clipboard_is_empty (win);
 702                 if (dimmed)
 703                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 704         }
 705         if (!dimmed) {
 706                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 707                 if (dimmed)
 708                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 709         }
 710         if (!dimmed) {
 711                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 712                 if (dimmed) {
 713                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 714                 }
 715         }
 716         if (!dimmed) {
 717                 dimmed = _selected_folder_is_same_as_source (win);
 718                 if (dimmed)
 719                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 720         }
 721
 722         return dimmed;
 723 }
 724
 725
 726 gboolean
 727 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 728 {
 729         ModestDimmingRule *rule = NULL;
 730         gboolean dimmed = FALSE;
 731
 732         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 733         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 734         rule = MODEST_DIMMING_RULE (user_data);
 735
 736         /* Check dimmed rule */
 737         if (!dimmed) {
 738                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 739                 if (dimmed)
 740                         modest_dimming_rule_set_notification (rule, "");
 741         }
 742
 743         return dimmed;
 744 }
 745
 746 gboolean
 747 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 748 {
 749         ModestDimmingRule *rule = NULL;
 750         gboolean dimmed = FALSE;
 751
 752         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 753         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 754         rule = MODEST_DIMMING_RULE (user_data);
 755
 756         /* Check dimmed rule */
 757         if (!dimmed)
 758                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 759
 760         if (!dimmed) {
 761                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 762                 if (dimmed) {
 763                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 764                 }
 765         }
 766
 767         return dimmed;
 768 }
 769
 770 gboolean
 771 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 772 {
 773         ModestDimmingRule *rule = NULL;
 774         gboolean dimmed = FALSE;
 775
 776         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 777         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 778         rule = MODEST_DIMMING_RULE (user_data);
 779
 780         /* Check dimmed rule */
 781         if (!dimmed)
 782                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 783
 784         if (!dimmed) {
 785                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 786                 if (dimmed) {
 787                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 788                 }
 789         }
 790
 791         return dimmed;
 792 }
 793
 794 gboolean
 795 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 796 {
 797         ModestDimmingRule *rule = NULL;
 798         gboolean dimmed = FALSE;
 799
 800         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 801         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 802         rule = MODEST_DIMMING_RULE (user_data);
 803
 804         /* Check in main window if there's only one message selected */
 805         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 806                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 807         }
 808
 809         /* Check in view window if there's any attachment selected */
 810         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 811                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 812                 if (dimmed)
 813                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 814         }
 815
 816         /* cannot purge in editable drafts nor pop folders */
 817         if (!dimmed) {
 818                 dimmed = _invalid_folder_for_purge (win, rule);
 819         }
 820
 821         /* Check if the selected message in main window has attachments */
 822         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 823                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 824                 if (dimmed)
 825                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 826         }
 827
 828         /* Check if all attachments are already purged */
 829         if (!dimmed) {
 830                 dimmed = _purged_attach_selected (win, TRUE, rule);
 831         }
 832
 833         /* Check if the message is already downloaded */
 834         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 835                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 836                 if (dimmed)
 837                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 838         }
 839
 840
 841         return dimmed;
 842 }
 843
 844 gboolean
 845 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 846 {
 847         ModestDimmingRule *rule = NULL;
 848         gboolean dimmed = FALSE;
 849
 850         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 851         rule = MODEST_DIMMING_RULE (user_data);
 852
 853         /* Check dimmed rule */
 854         if (!dimmed) {
 855                 dimmed = _clipboard_is_empty (win);
 856                 if (dimmed)
 857                         modest_dimming_rule_set_notification (rule, "");
 858         }
 859
 860         return dimmed;
 861 }
 862
 863 gboolean
 864 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 865 {
 866         ModestDimmingRule *rule = NULL;
 867         gboolean dimmed = FALSE;
 868
 869         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 870         rule = MODEST_DIMMING_RULE (user_data);
 871
 872         /* Check common dimming rules */
 873         if (!dimmed) {
 874                 dimmed = _invalid_clipboard_selected (win, rule);
 875         }
 876
 877         /* Check window specific dimming rules */
 878         if (MODEST_IS_MAIN_WINDOW (win)) {
 879                 if (!dimmed) {
 880                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 881                         if (dimmed)
 882                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 883                 }
 884                 if (!dimmed) {
 885                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 886                         if (dimmed)
 887                                 modest_dimming_rule_set_notification (rule, "");
 888                 }
 889                 if (!dimmed) {
 890                         dimmed = _selected_msg_sent_in_progress (win);
 891                         if (dimmed)
 892                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 893                 }
 894         }
 895
 896         return dimmed;
 897 }
 898
 899 gboolean
 900 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 901 {
 902         ModestDimmingRule *rule = NULL;
 903         gboolean dimmed = FALSE;
 904
 905         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 906         rule = MODEST_DIMMING_RULE (user_data);
 907
 908         /* Check common dimming rules */
 909         if (!dimmed) {
 910                 dimmed = _invalid_clipboard_selected (win, rule);
 911         }
 912
 913         /* Check window specific dimming rules */
 914         if (MODEST_IS_MAIN_WINDOW (win)) {
 915                 if (!dimmed) {
 916                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 917                         if (dimmed)
 918                                 modest_dimming_rule_set_notification (rule, "");
 919                 }
 920                 if (!dimmed) {
 921                         dimmed = _selected_msg_sent_in_progress (win);
 922                         if (dimmed)
 923                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 924                 }
 925         }
 926
 927         return dimmed;
 928 }
 929
 930 gboolean
 931 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 932 {
 933         ModestDimmingRule *rule = NULL;
 934         gboolean dimmed = FALSE;
 935
 936         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 937         rule = MODEST_DIMMING_RULE (user_data);
 938
 939         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 940
 941         /* Check dimmed rule */
 942         if (!dimmed) {
 943                 dimmed = _transfer_mode_enabled (win);
 944                 if (dimmed)
 945                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 946         }
 947         if (!dimmed) {
 948                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 949                 if (dimmed)
 950                         modest_dimming_rule_set_notification (rule, "");
 951         }
 952
 953         return dimmed;
 954 }
 955
 956 gboolean
 957 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 958 {
 959         ModestDimmingRule *rule = NULL;
 960         gboolean dimmed = FALSE;
 961
 962         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 963         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 964         rule = MODEST_DIMMING_RULE (user_data);
 965
 966         /* Check dimmed rule */
 967         if (!dimmed) {
 968                 dimmed = _transfer_mode_enabled (win);
 969                 if (dimmed)
 970                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 971         }
 972         if (!dimmed) {
 973                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 974                 if (dimmed)
 975                         modest_dimming_rule_set_notification (rule, "");
 976         }
 977
 978         return dimmed;
 979 }
 980
 981
 982 gboolean
 983 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 984 {
 985         const gboolean dimmed =
 986                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 987                         TRUE);
 988
 989         return dimmed;
 990 }
 991
 992 gboolean
 993 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
 994 {
 995         ModestDimmingRule *rule = NULL;
 996         TnyFolderType types[1];
 997         guint n_messages = 0;
 998         gboolean dimmed = FALSE;
 999
1000         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1001         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1002         rule = MODEST_DIMMING_RULE (user_data);
1003
1004         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1005
1006         /* Check dimmed rules */
1007         if (!dimmed) {
1008                 dimmed = _already_opened_msg (win, &n_messages);
1009                 if (dimmed)
1010                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1011         }
1012         if (!dimmed) {
1013                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1014                 if (dimmed)
1015                         modest_dimming_rule_set_notification (rule, "");
1016         }
1017         if (!dimmed) {
1018                 dimmed = !_sending_in_progress (win);
1019                 if (dimmed)
1020                         modest_dimming_rule_set_notification (rule, "");
1021         }
1022
1023         return dimmed;
1024 }
1025
1026 gboolean
1027 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1028 {
1029         ModestDimmingRule *rule = NULL;
1030         gboolean dimmed = FALSE;
1031
1032         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1033         rule = MODEST_DIMMING_RULE (user_data);
1034
1035         /* Check dimmed rule */
1036         if (!dimmed) {
1037                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1038                                                           TRUE);
1039                 if (dimmed)
1040                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1041         }
1042
1043         return dimmed;
1044 }
1045
1046 gboolean
1047 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1048 {
1049         ModestDimmingRule *rule = NULL;
1050         gboolean dimmed = FALSE;
1051
1052         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1053         rule = MODEST_DIMMING_RULE (user_data);
1054
1055         /* Check dimmed rule */
1056         if (!dimmed) {
1057                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1058                 gchar *selection = NULL;
1059                 selection = gtk_clipboard_wait_for_text (clipboard);
1060
1061                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
1062         }
1063
1064         return dimmed;
1065 }
1066
1067 /* *********************** static utility functions ******************** */
1068
1069 static gboolean
1070 _marked_as_deleted (ModestWindow *win)
1071 {
1072         gboolean result = FALSE;
1073         TnyHeaderFlags flags;
1074
1075         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1076
1077         flags = TNY_HEADER_FLAG_DELETED;
1078
1079         /* Check dimmed rule */
1080         result = _selected_msg_marked_as (win, flags, FALSE);
1081
1082         return result;
1083 }
1084
1085 static gboolean
1086 _selected_folder_not_writeable (ModestMainWindow *win)
1087 {
1088         GtkWidget *folder_view = NULL;
1089         TnyFolderStore *parent_folder = NULL;
1090         ModestTnyFolderRules rules;
1091         gboolean result = FALSE;
1092
1093         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1094
1095         /* Get folder view */
1096         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1097                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1098         /* If no folder view, always dimmed */
1099         if (!folder_view)
1100                 return TRUE;
1101
1102         /* Get selected folder as parent of new folder to create */
1103         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1104         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1105                 if (parent_folder)
1106                         g_object_unref (parent_folder);
1107                 return TRUE;
1108         }
1109
1110         /* Check dimmed rule */
1111         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1112         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1113
1114         /* free */
1115         g_object_unref (parent_folder);
1116
1117         return result;
1118 }
1119
1120 static gboolean
1121 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1122 {
1123         TnyFolderType types[2];
1124         gboolean result = FALSE;
1125
1126         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1127
1128         types[0] = TNY_FOLDER_TYPE_ROOT;
1129         types[1] = TNY_FOLDER_TYPE_INBOX;
1130
1131         /* Check folder type */
1132         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1133
1134         /* Check pop and MMC accounts */
1135         if (!result) {
1136                 result = _selected_folder_is_MMC_or_POP_root (win);
1137         }
1138
1139         return result;
1140 }
1141
1142
1143 static gboolean
1144 _selected_folder_is_root (ModestMainWindow *win)
1145 {
1146         TnyFolderType types[1];
1147         gboolean result = FALSE;
1148
1149         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1150
1151         types[0] = TNY_FOLDER_TYPE_ROOT;
1152
1153         /* Check folder type */
1154         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1155
1156         /* Check pop and MMC accounts */
1157         if (!result) {
1158                 result = _selected_folder_is_MMC_or_POP_root (win);
1159         }
1160
1161         return result;
1162 }
1163
1164 static gboolean
1165 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1166 {
1167         GtkWidget *folder_view = NULL;
1168         TnyFolderStore *parent_folder = NULL;
1169         gboolean result = FALSE;
1170
1171         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1172                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1173         /* Get selected folder as parent of new folder to create */
1174         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1175         if (!parent_folder)
1176                 return TRUE;
1177
1178         if (TNY_IS_ACCOUNT (parent_folder)) {
1179                 /* If it's the local account then do not dim */
1180                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1181                         result = FALSE;
1182                 } else {
1183                                 /* If it's the MMC root folder then dim it */
1184                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1185                                         result = TRUE;
1186                         } else {
1187                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1188                                 /* If it's POP then dim */
1189                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1190                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1191                         }
1192                 }
1193         }
1194         g_object_unref (parent_folder);
1195
1196         return result;
1197 }
1198
1199
1200
1201
1202 static gboolean
1203 _selected_folder_is_empty (ModestMainWindow *win)
1204 {
1205         GtkWidget *folder_view = NULL;
1206         TnyFolderStore *folder = NULL;
1207         gboolean result = FALSE;
1208
1209         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1210
1211         /* Get folder view */
1212         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1213                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1214         /* If no folder view, always dimmed */
1215         if (!folder_view)
1216                 return TRUE;
1217
1218         /* Get selected folder as parent of new folder to create */
1219         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1220         if (!(folder && TNY_IS_FOLDER(folder))) {
1221                 if (folder)
1222                         g_object_unref (folder);
1223                 return TRUE;
1224         }
1225
1226         /* Check folder type */
1227         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1228
1229         /* free */
1230         g_object_unref (folder);
1231
1232         return result;
1233 }
1234
1235 static gboolean
1236 _selected_folder_is_same_as_source (ModestWindow *win)
1237 {
1238         ModestEmailClipboard *clipboard = NULL;
1239         GtkWidget *folder_view = NULL;
1240         TnyFolderStore *folder = NULL;
1241         gboolean result = FALSE;
1242
1243         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1244
1245         /* Get folder view */
1246         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1247                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1248         if (!folder_view)
1249                 return FALSE;
1250
1251         /* Get selected folder as destination folder */
1252         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1253         if (!(folder && TNY_IS_FOLDER(folder))) {
1254                 result = FALSE;
1255                 goto frees;
1256         }
1257
1258         /* Check clipboard is cleared */
1259         clipboard = modest_runtime_get_email_clipboard ();
1260         if (modest_email_clipboard_cleared (clipboard)) {
1261                 result = FALSE;
1262                 goto frees;
1263         }
1264
1265         /* Check source folder */
1266         result = modest_email_clipboard_check_source_folder (clipboard,
1267                                                              (const TnyFolder *) folder);
1268
1269         /* Free */
1270  frees:
1271         g_object_unref (folder);
1272
1273         return result;
1274 }
1275
1276 static gboolean
1277 _selected_folder_is_any_of_type (ModestWindow *win,
1278                                  TnyFolderType types[],
1279                                  guint ntypes)
1280 {
1281         GtkWidget *folder_view = NULL;
1282         TnyFolderStore *folder = NULL;
1283         TnyFolderType folder_type;
1284         guint i=0;
1285         gboolean result = FALSE;
1286
1287         /*Get curent folder */
1288         if (MODEST_IS_MAIN_WINDOW(win)) {
1289
1290                 /* Get folder view */
1291                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1292                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1293                 /* If no folder view, always dimmed */
1294                 if (!folder_view)
1295                         return TRUE;
1296
1297                 /* Get selected folder as parent of new folder to create */
1298                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1299
1300                 if (!(folder && TNY_IS_FOLDER(folder))) {
1301                         if (folder)
1302                                 g_object_unref (folder);
1303                         return TRUE;
1304                 }
1305
1306                 /* Check folder type */
1307                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1308         }
1309         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1310                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1311                 for (i=0; i < ntypes; i++) {
1312                         result = result || folder_type == types[i];
1313                 }
1314         }
1315
1316
1317         /* free */
1318         g_object_unref (folder);
1319
1320         return result;
1321 }
1322
1323 static gboolean
1324 _folder_is_any_of_type (TnyFolder *folder,
1325                         TnyFolderType types[],
1326                         guint ntypes)
1327 {
1328         TnyFolderType folder_type;
1329         gboolean result = FALSE;
1330         guint i;
1331
1332         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1333
1334         /* Get folder type */
1335         if (modest_tny_folder_is_local_folder (folder))
1336                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1337         else
1338                 folder_type = modest_tny_folder_guess_folder_type (folder);
1339
1340         /* Check foler type */
1341         for (i=0; i < ntypes; i++) {
1342                 result = result || folder_type == types[i];
1343         }
1344
1345         return result;
1346 }
1347
1348 static gboolean
1349 _selected_folder_is_snd_level (ModestMainWindow *win)
1350 {
1351         GtkWidget *folder_view = NULL;
1352         GtkTreeSelection *sel = NULL;
1353         GtkTreeModel *model = NULL;
1354         GtkTreePath *path = NULL;
1355         GtkTreeIter iter;
1356         TnyFolderStore *folder = NULL;
1357         gboolean result = FALSE;
1358
1359         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1360
1361         /*Get curent folder */
1362         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1363                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1364         /* If no folder view, always dimmed */
1365         if (!folder_view)
1366                 goto frees;
1367
1368         /* Get selected folder as parent of new folder to create */
1369         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1370         if (!(folder && TNY_IS_FOLDER(folder))) {
1371                 goto frees;
1372         }
1373
1374         /* Check folder level */
1375         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1376         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1377                 goto frees;
1378         path = gtk_tree_model_get_path (model, &iter);
1379         result = gtk_tree_path_get_depth (path) > 2;
1380
1381  frees:
1382         if (folder != NULL)
1383                 g_object_unref (folder);
1384         if (path != NULL)
1385                 gtk_tree_path_free (path);
1386
1387         return result;
1388
1389 }
1390
1391 static gboolean
1392 _clipboard_is_empty (ModestWindow *win)
1393 {
1394         gboolean result = FALSE;
1395
1396         if (MODEST_IS_MAIN_WINDOW (win)) {
1397                 ModestEmailClipboard *clipboard = NULL;
1398                 clipboard = modest_runtime_get_email_clipboard ();
1399                 if (modest_email_clipboard_cleared (clipboard))
1400                  result = TRUE;
1401         }
1402
1403         return result;
1404 }
1405
1406 static gboolean
1407 _invalid_clipboard_selected (ModestWindow *win,
1408                        ModestDimmingRule *rule)
1409 {
1410         gboolean result = FALSE;
1411
1412         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1413                 GtkClipboard *clipboard = NULL;
1414                 gchar *selection = NULL;
1415                 GtkWidget *focused = NULL;
1416
1417                 /* Get clipboard selection*/
1418                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1419                 selection = gtk_clipboard_wait_for_text (clipboard);
1420
1421                 /* Get focuesed widget */
1422                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1423
1424                 /* Check dimming */
1425                 result = ((selection == NULL) ||
1426                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1427
1428                 if (result)
1429                         modest_dimming_rule_set_notification (rule, _(""));
1430         }
1431         else if (MODEST_IS_MAIN_WINDOW (win)) {
1432                 GtkWidget *header_view = NULL;
1433
1434                 /* Get header view to check selected messages */
1435                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1436                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1437
1438                 /* Check dimming */
1439                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1440                 if (result)
1441                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1442         }
1443
1444         return result;
1445 }
1446
1447
1448 static gboolean
1449 _invalid_attach_selected (ModestWindow *win,
1450                           gboolean unique,
1451                           gboolean for_view,
1452                           ModestDimmingRule *rule)
1453 {
1454         GList *attachments, *node;
1455         gint n_selected;
1456         TnyHeaderFlags flags;
1457         gboolean nested_attachments = FALSE;
1458         gboolean selected_messages = FALSE;
1459         gboolean result = FALSE;
1460
1461         if (MODEST_IS_MAIN_WINDOW (win)) {
1462                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1463                 if (!result)
1464                         result = _selected_msg_marked_as (win, flags, TRUE);
1465         }
1466         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1467
1468                 /* Get selected atachments */
1469                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1470                 n_selected = g_list_length (attachments);
1471
1472                 /* Check unique */
1473                 if (!result) {
1474                         if (unique)
1475                                 result = n_selected != 1;
1476                         else
1477
1478                                 result = n_selected < 1;
1479                 }
1480
1481                 /* Check attached type (view operation not required) */
1482                 if (!result && !for_view)  {
1483                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1484                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1485                                 TnyList *nested_list = tny_simple_list_new ();
1486                                 if (TNY_IS_MSG (mime_part)) {
1487                                         selected_messages = TRUE;
1488                                         result = TRUE;
1489                                 }
1490                                 tny_mime_part_get_parts (mime_part, nested_list);
1491                                 if (tny_list_get_length (nested_list) > 0) {
1492                                 nested_attachments = TRUE;
1493                                 result = TRUE;
1494                                 }
1495                                 g_object_unref (nested_list);
1496                         }
1497                 }
1498
1499                 /* Set notifications */
1500                 if (result && rule != NULL) {
1501                         if (selected_messages) {
1502                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1503                         } else if (nested_attachments) {
1504                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1505                         } else if (n_selected == 0) {
1506                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1507                         } else if (unique) {
1508                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1509                         }
1510                 }
1511
1512                 /* Free */
1513                 g_list_free (attachments);
1514         }
1515
1516         return result;
1517 }
1518
1519 static gboolean
1520 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1521 {
1522         GList *attachments = NULL, *node;
1523         gint purged = 0;
1524         gint n_attachments = 0;
1525         gboolean result = FALSE;
1526
1527         /* This should check if _all_ the attachments are already purged. If only some
1528          * of them are purged, then it does not cause dim as there's a confirmation dialog
1529          * for removing only local attachments */
1530
1531         /* Get selected atachments */
1532         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1533                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1534         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1535                 /* If we're in main window, we won't know if there are already purged attachments */
1536                 return FALSE;
1537         }
1538
1539         if (attachments == NULL)
1540                 return FALSE;
1541
1542         for (node = attachments; node != NULL; node = g_list_next (node)) {
1543                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1544                 if (tny_mime_part_is_purged (mime_part)) {
1545                         purged++;
1546                 }
1547                 n_attachments++;
1548         }
1549
1550         /* Free */
1551         g_list_free (attachments);
1552
1553         if (all)
1554                 result = (purged == n_attachments);
1555         else
1556                 result = (purged > 0);
1557
1558         if (result && (rule != NULL))
1559                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1560
1561         return result;
1562 }
1563
1564 static gboolean
1565 _invalid_msg_selected (ModestMainWindow *win,
1566                        gboolean unique,
1567                        ModestDimmingRule *rule)
1568 {
1569         GtkWidget *header_view = NULL;
1570         GtkWidget *folder_view = NULL;
1571         gboolean selected_headers = FALSE;
1572         gboolean result = FALSE;
1573
1574         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1575         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1576
1577         /* Get header view to check selected messages */
1578         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1579                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1580
1581         /* Get folder view to check focus */
1582         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1583                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1584
1585         /* Get selected headers */
1586         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1587
1588         /* Check dimmed rule (TODO: check focus on widgets */
1589         if (!result) {
1590                 result = ((!selected_headers) ||
1591                           (gtk_widget_is_focus (folder_view)));
1592                 if (result)
1593                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1594         }
1595         if (!result && unique) {
1596                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1597                 if (result)
1598                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1599         }
1600
1601         return result;
1602 }
1603
1604 static gboolean
1605 _already_opened_msg (ModestWindow *win,
1606                      guint *n_messages)
1607 {
1608         //ModestWindow *window = NULL;
1609         ModestWindowMgr *mgr = NULL;
1610         GtkWidget *header_view = NULL;
1611         TnyList *selected_headers = NULL;
1612         TnyIterator *iter = NULL;
1613         TnyHeader *header = NULL;
1614         gboolean found;
1615
1616         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1617
1618         /* Get header view to check selected messages */
1619         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1620                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1621
1622
1623         /* Check no selection */
1624         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1625             return FALSE;
1626
1627         /* Get selected headers */
1628         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1629         if (selected_headers == NULL)
1630                 return FALSE;
1631
1632         *n_messages = tny_list_get_length (selected_headers);
1633
1634         /* Check dimmed rule (TODO: check focus on widgets */
1635         mgr = modest_runtime_get_window_mgr ();
1636         iter = tny_list_create_iterator (selected_headers);
1637         found = FALSE;
1638         while (!tny_iterator_is_done (iter)) {
1639                 header = TNY_HEADER (tny_iterator_get_current (iter));
1640                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1641
1642                 g_object_unref (header);
1643                 tny_iterator_next (iter);
1644
1645                 if (found)
1646                         break;
1647         }
1648
1649         /* free */
1650         if (selected_headers != NULL)
1651                 g_object_unref (selected_headers);
1652         if (iter != NULL)
1653                 g_object_unref (iter);
1654
1655         return found;
1656 }
1657
1658 static gboolean
1659 _selected_msg_marked_as (ModestWindow *win,
1660                          TnyHeaderFlags mask,
1661                          gboolean opposite)
1662 {
1663         GtkWidget *header_view = NULL;
1664         TnyList *selected_headers = NULL;
1665         TnyIterator *iter = NULL;
1666         TnyHeader *header = NULL;
1667         TnyHeaderFlags flags;
1668         gboolean result = FALSE;
1669
1670         /* Get header view to check selected messages */
1671         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1672                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1673
1674         /* Check no selection */
1675         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1676             return TRUE;
1677
1678         /* Get selected headers */
1679         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1680         if (selected_headers == NULL)
1681                 return TRUE;
1682
1683         /* Call the function for each header */
1684         iter = tny_list_create_iterator (selected_headers);
1685         while (!tny_iterator_is_done (iter) && !result) {
1686                 header = TNY_HEADER (tny_iterator_get_current (iter));
1687
1688                 flags = tny_header_get_flags (header);
1689                 if (opposite)
1690                         result = (flags & mask) == 0;
1691                 else
1692                         result = (flags & mask) != 0;
1693
1694                 g_object_unref (header);
1695                 tny_iterator_next (iter);
1696         }
1697
1698         /* free */
1699         if (selected_headers != NULL)
1700                 g_object_unref (selected_headers);
1701         if (iter != NULL)
1702                 g_object_unref (iter);
1703
1704         return result;
1705 }
1706
1707 static gboolean
1708 _msg_download_in_progress (ModestMsgViewWindow *win)
1709 {
1710         gboolean result = FALSE;
1711
1712         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1713
1714         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1715
1716         return result;
1717 }
1718
1719 static gboolean
1720 _msg_download_completed (ModestMainWindow *win)
1721 {
1722         GtkWidget *header_view = NULL;
1723         TnyList *selected_headers = NULL;
1724         TnyIterator *iter = NULL;
1725         TnyHeader *header = NULL;
1726         TnyHeaderFlags flags;
1727         gboolean result = FALSE;
1728
1729         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1730
1731
1732         /* Get header view to check selected messages */
1733         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1734                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1735
1736         /* Check no selection */
1737         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1738             return TRUE;
1739
1740         /* Get selected headers */
1741         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1742         if (selected_headers == NULL)
1743                 return TRUE;
1744
1745         /* Check dimmed rule  */
1746         result = TRUE;
1747         iter = tny_list_create_iterator (selected_headers);
1748         while (!tny_iterator_is_done (iter) && result) {
1749                 header = TNY_HEADER (tny_iterator_get_current (iter));
1750
1751                 flags = tny_header_get_flags (header);
1752                 /* TODO: is this the right flag?, it seems that some
1753                    headers that have been previously downloaded do not
1754                    come with it */
1755                 result = (flags & TNY_HEADER_FLAG_CACHED);
1756
1757                 g_object_unref (header);
1758                 tny_iterator_next (iter);
1759         }
1760
1761         g_object_unref (iter);
1762
1763         return result;
1764 }
1765
1766 static gboolean
1767 _selected_msg_sent_in_progress (ModestWindow *win)
1768 {
1769         ModestTnySendQueue *send_queue = NULL;
1770         GtkWidget *header_view = NULL;
1771         ModestTnyAccountStore *acc_store = NULL;
1772         TnyAccount *account = NULL;
1773         TnyList *header_list = NULL;
1774         TnyIterator *iter = NULL;
1775         TnyHeader *header = NULL;
1776         const gchar *account_name = NULL;
1777         gboolean result = FALSE;
1778         gchar *id = NULL;
1779
1780         /* Get transport account */
1781         acc_store = modest_runtime_get_account_store();
1782         account_name = modest_window_get_active_account (win);
1783
1784         /* If no account defined, this action must be always dimmed  */
1785         if (account_name == NULL) return FALSE;
1786         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1787         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1788
1789         /* Get send queue for current ransport account */
1790         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1791         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1792
1793         if (MODEST_IS_MAIN_WINDOW(win)) {
1794
1795                 /* Get header view to check selected messages */
1796                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1797                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1798
1799                 /* Check no selection */
1800                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1801                     return FALSE;
1802
1803                 /* Get selected headers */
1804                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1805
1806                 /* Get message header */
1807                 if (!header_list) return FALSE;
1808                 iter = tny_list_create_iterator (header_list);
1809                 header = TNY_HEADER (tny_iterator_get_current (iter));
1810
1811                 /* Get message id */
1812                 id = g_strdup(tny_header_get_message_id (header));
1813
1814         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1815
1816                 /* Get message header */
1817                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1818
1819                 /* Get message id */
1820                 id = g_strdup(tny_header_get_message_id (header));
1821         }
1822
1823         /* Check if msg id is being processed inside send queue */
1824         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1825
1826         /* Free */
1827         g_free(id);
1828         g_object_unref (header);
1829         g_object_unref(header_list);
1830         g_object_unref(iter);
1831
1832         return result;
1833 }
1834
1835
1836 static gboolean
1837 _sending_in_progress (ModestWindow *win)
1838 {
1839         gboolean result = FALSE;
1840
1841         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1842
1843         /* Check if send operation is in progress */
1844         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1845
1846         return result;
1847 }
1848
1849 static gboolean
1850 _invalid_folder_for_purge (ModestWindow *win,
1851                            ModestDimmingRule *rule)
1852 {
1853         TnyMsg *msg = NULL;
1854         TnyFolder *folder = NULL;
1855         TnyAccount *account = NULL;
1856         gboolean result = FALSE;
1857
1858         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1859
1860                 /* Get folder and account of message */
1861                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1862                 g_return_val_if_fail(msg != NULL, TRUE);
1863                 folder = tny_msg_get_folder (msg);
1864                 if (folder == NULL) {
1865                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1866                         goto frees;
1867                 }
1868                 g_object_unref (msg);
1869         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1870                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1871                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1872                 if (!folder_view)
1873                         return FALSE;
1874                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1875                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1876                         return FALSE;
1877                 g_object_ref (folder);
1878
1879         } else {
1880                 g_return_val_if_reached (FALSE);
1881         }
1882         account = modest_tny_folder_get_account (folder);
1883         if (account == NULL) goto frees;
1884
1885         /* Check account */
1886         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1887                 TnyFolderType types[2];
1888                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1889                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1890
1891                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1892                         result = TRUE;
1893                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1894                 } else {
1895                         /* We're currently disabling purge in any local store */
1896                         result = TRUE;
1897                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1898                 }
1899         } else {
1900                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1901                 /* If it's POP then dim */
1902                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1903                     MODEST_PROTOCOL_STORE_POP) {
1904                         GList *attachments;
1905                         gint n_selected;
1906                         result = TRUE;
1907                         attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1908                         n_selected = g_list_length (attachments);
1909                         g_list_free (attachments);
1910
1911                         modest_dimming_rule_set_notification (rule,
1912                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1913                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1914                                                                         n_selected));
1915                 }
1916         }
1917
1918 frees:
1919         if (folder != NULL)
1920                 g_object_unref (folder);
1921         if (account != NULL)
1922                 g_object_unref (account);
1923
1924         return result;
1925 }
1926
1927 static gboolean
1928 _transfer_mode_enabled (ModestWindow *win)
1929 {
1930         gboolean result = FALSE;
1931
1932         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1933
1934         /* Check dimming */
1935         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1936
1937         return result;
1938 }