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

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43
  44
  45 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  46 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  47 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  48 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  49 static gboolean _clipboard_is_empty (ModestWindow *win);
  50 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  51 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  52 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  53 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  55 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  56 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  61 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  62 static gboolean _msg_download_completed (ModestMainWindow *win);
  63 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  64 static gboolean _sending_in_progress (ModestWindow *win);
  65 static gboolean _marked_as_deleted (ModestWindow *win);
  66 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  67 static gboolean _transfer_mode_enabled (ModestWindow *win);
  68
  69
  70 gboolean
  71 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  72 {
  73         ModestDimmingRule *rule = NULL;
  74         gboolean dimmed = FALSE;
  75
  76         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  77         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  78         rule = MODEST_DIMMING_RULE (user_data);
  79
  80         /* Check dimmed rule */
  81         if (!dimmed) {
  82                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
  83                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  84                 if (dimmed)
  85                         modest_dimming_rule_set_notification (rule, "");
  86         }
  87
  88         return dimmed;
  89 }
  90
  91 gboolean
  92 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  93 {
  94         ModestDimmingRule *rule = NULL;
  95         gboolean dimmed = FALSE;
  96
  97         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  98         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  99         rule = MODEST_DIMMING_RULE (user_data);
 100
 101         /* Check common new folder menu item dimming rules */
 102         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 103
 104         /* Check CSM specific dimming rules */
 105         if (!dimmed) {
 106                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 107                 if (dimmed)
 108                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 109         }
 110
 111         return dimmed;
 112 }
 113
 114 gboolean
 115 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 116 {
 117         ModestDimmingRule *rule = NULL;
 118         GtkWidget *folder_view = NULL;
 119         TnyFolderStore *parent_folder = NULL;
 120         gboolean dimmed = FALSE;
 121
 122         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 123         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 124         rule = MODEST_DIMMING_RULE (user_data);
 125
 126         /* Get selected folder as parent of new folder to create */
 127         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 128                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 129         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 130         if (!parent_folder)
 131                 return TRUE;
 132
 133         if (TNY_IS_ACCOUNT (parent_folder)) {
 134                 /* If it's the local account then do not dim */
 135                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 136                         dimmed = FALSE;
 137                 } else {
 138                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 139                         /* If it's POP then dim */
 140                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 141                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 142                         if (dimmed)
 143                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 144                 }
 145         } else {
 146                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 147
 148                 TnyFolderType types[3];
 149
 150                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 151                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 152                 types[2] = TNY_FOLDER_TYPE_SENT;
 153
 154                 /* Apply folder rules */
 155                 if (!dimmed) {
 156                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 157                         if (dimmed)
 158                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 159                 }
 160                 if (!dimmed) {
 161                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 162                         if (dimmed)
 163                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 164                 }
 165         }
 166         g_object_unref (parent_folder);
 167
 168         return dimmed;
 169 }
 170
 171 gboolean
 172 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 173 {
 174         ModestDimmingRule *rule = NULL;
 175         GtkWidget *folder_view = NULL;
 176         GtkWidget *header_view = NULL;
 177         gboolean dimmed = FALSE;
 178
 179         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 180         rule = MODEST_DIMMING_RULE (user_data);
 181
 182         if (MODEST_IS_MAIN_WINDOW (win)) {
 183                 /* Get the folder view */
 184                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 185                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 186
 187                 /* Get header view */
 188                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 189                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 190
 191                 if (header_view && gtk_widget_is_focus (header_view))
 192                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 193
 194                 if (folder_view && gtk_widget_is_focus (folder_view))
 195                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 196
 197                 if (header_view && folder_view &&
 198                     !gtk_widget_is_focus (header_view) &&
 199                     !gtk_widget_is_focus (folder_view)) {
 200                         dimmed = TRUE;
 201                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 202                 }
 203         } else {
 204                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 205         }
 206
 207         return dimmed;
 208 }
 209
 210
 211
 212 gboolean
 213 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 214 {
 215         ModestDimmingRule *rule = NULL;
 216         TnyFolderType types[6];
 217         gboolean dimmed = FALSE;
 218
 219         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 220         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 221         rule = MODEST_DIMMING_RULE (user_data);
 222
 223         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 224         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 225         types[2] = TNY_FOLDER_TYPE_SENT;
 226         types[3] = TNY_FOLDER_TYPE_INBOX;
 227         types[4] = TNY_FOLDER_TYPE_ROOT;
 228         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 229
 230
 231         /* Check dimmed rule */
 232         if (!dimmed) {
 233                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 234                 if (dimmed)
 235                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 236         }
 237         if (!dimmed) {
 238                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 239                 if (dimmed)
 240                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 241         }
 242         if (!dimmed) {
 243                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 244                 if (dimmed)
 245                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 246         }
 247         if (!dimmed) {
 248                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 249                 if (dimmed)
 250                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 251         }
 252
 253         return dimmed;
 254 }
 255
 256 gboolean
 257 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 258 {
 259         ModestDimmingRule *rule = NULL;
 260         gboolean dimmed = FALSE;
 261
 262         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 263         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 264         rule = MODEST_DIMMING_RULE (user_data);
 265
 266         /* Check dimmed rule */
 267         if (!dimmed) {
 268                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 269                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 270         }
 271
 272         if (!dimmed) {
 273                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 274                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 275         }
 276
 277         return dimmed;
 278
 279 }
 280
 281 gboolean
 282 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 283 {
 284         ModestDimmingRule *rule = NULL;
 285         TnyFolderType types[3];
 286         gboolean dimmed = FALSE;
 287
 288         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 289         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 290         rule = MODEST_DIMMING_RULE (user_data);
 291
 292         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 293         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 294         types[2] = TNY_FOLDER_TYPE_SENT;
 295
 296         /* Check dimmed rule */
 297         if (!dimmed) {
 298                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 299                 if (dimmed)
 300                         modest_dimming_rule_set_notification (rule, "");
 301         }
 302         if (!dimmed) {
 303                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 304                 if (dimmed)
 305                         modest_dimming_rule_set_notification (rule, "");
 306         }
 307         if (!dimmed) {
 308                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 309                 if (dimmed)
 310                         modest_dimming_rule_set_notification (rule, "");
 311         }
 312
 313         return dimmed;
 314 }
 315
 316 gboolean
 317 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 318 {
 319         ModestDimmingRule *rule = NULL;
 320         gboolean dimmed = FALSE;
 321
 322         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 323         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 324         rule = MODEST_DIMMING_RULE (user_data);
 325
 326         /* Check dimmed rule */
 327         if (!dimmed) {
 328                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 329         }
 330         if (!dimmed) {
 331                 dimmed = _marked_as_deleted (win);
 332                 if (dimmed)
 333                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 334         }
 335         if (!dimmed) {
 336                 dimmed = _selected_msg_sent_in_progress (win);
 337                 if (dimmed)
 338                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 339         }
 340
 341         return dimmed;
 342 }
 343
 344 gboolean
 345 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 346 {
 347         ModestDimmingRule *rule = NULL;
 348         gboolean dimmed = FALSE;
 349         TnyFolderType types[3];
 350
 351         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 352         rule = MODEST_DIMMING_RULE (user_data);
 353
 354         /* main window dimming rules */
 355         if (MODEST_IS_MAIN_WINDOW(win)) {
 356
 357                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 358                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 359                 types[2] = TNY_FOLDER_TYPE_ROOT;
 360
 361                 /* Check dimmed rule */
 362                 if (!dimmed) {
 363                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 364                         if (dimmed)
 365                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 366                 }
 367                 if (!dimmed) {
 368                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 369                         if (dimmed)
 370                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 371                 }
 372                 if (!dimmed) {
 373                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 374                 }
 375         /* msg view window dimming rules */
 376         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 377
 378                 /* Check dimmed rule */
 379                 if (!dimmed) {
 380                         dimmed = _transfer_mode_enabled (win);
 381                         if (dimmed)
 382                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 383                 }
 384                 if (!dimmed) {
 385                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 386                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 387                         if (dimmed)
 388                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 389                 }
 390         }
 391
 392         return dimmed;
 393 }
 394
 395
 396 gboolean
 397 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 398 {
 399         ModestDimmingRule *rule = NULL;
 400         gboolean dimmed = FALSE;
 401
 402         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 403         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 404         rule = MODEST_DIMMING_RULE (user_data);
 405
 406         /* Check dimmed rule */
 407         if (!dimmed) {
 408                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 409         }
 410         if (!dimmed) {
 411                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 412                 if (dimmed)
 413                         modest_dimming_rule_set_notification (rule, "");
 414         }
 415
 416         return dimmed;
 417 }
 418
 419 gboolean
 420 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 421 {
 422         gboolean dimmed = FALSE;
 423
 424         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 425
 426         /* Check dimmed rule */
 427         if (!dimmed)
 428                 dimmed = TRUE;
 429
 430         return dimmed;
 431 }
 432
 433 gboolean
 434 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 435 {
 436         ModestDimmingRule *rule = NULL;
 437         guint n_messages = 0;
 438         gboolean dimmed = FALSE;
 439
 440         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 441         rule = MODEST_DIMMING_RULE (user_data);
 442
 443         /* Check dimmed rule */
 444         if (MODEST_IS_MAIN_WINDOW (win)) {
 445                 if (!dimmed) {
 446                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 447                         if (dimmed)
 448                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 449                 }
 450                 if (!dimmed) {
 451                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 452                 }
 453                 if (!dimmed) {
 454                         dimmed = _already_opened_msg (win, &n_messages);
 455                         if (dimmed) {
 456                                 gchar *num = g_strdup_printf ("%d", n_messages);
 457                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 458 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 459                                 modest_dimming_rule_set_notification (rule, message);
 460                                 g_free(message);
 461                                 g_free(num);
 462                         }
 463                 }
 464                 if (!dimmed) {
 465                         dimmed = _marked_as_deleted (win);
 466                         if (dimmed)
 467                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 468                 }
 469                 if (!dimmed) {
 470                         dimmed = _selected_msg_sent_in_progress (win);
 471                         if (dimmed)
 472                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 473                 }
 474         }
 475         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 476                 if (!dimmed) {
 477                         dimmed = _transfer_mode_enabled (win);
 478                         if (dimmed)
 479                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 480                 }
 481                 if (!dimmed) {
 482                         dimmed = _marked_as_deleted (win);
 483                         if (dimmed)
 484                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 485                 }
 486                 if (!dimmed) {
 487                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 488                         if (dimmed) {
 489                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 490                         }
 491                 }
 492         }
 493
 494         return dimmed;
 495 }
 496
 497 gboolean
 498 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 499 {
 500         ModestDimmingRule *rule = NULL;
 501         GtkWidget *header_view = NULL;
 502         gboolean dimmed = FALSE;
 503
 504         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 505         rule = MODEST_DIMMING_RULE (user_data);
 506
 507         /* main window dimming rules */
 508         if (MODEST_IS_MAIN_WINDOW(win)) {
 509
 510                 /* Check dimmed rule */
 511                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 512                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 513
 514                 /* If the header view has the focus: */
 515                 if (header_view && gtk_widget_is_focus (header_view)) {
 516                         /* Check dimmed rule */
 517                         if (!dimmed)
 518                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 519                 }
 520                 else {
 521                         /* If the folder view has the focus: */
 522                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 523                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 524                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 525                                 TnyFolderStore *folder_store
 526                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 527                                 if (folder_store) {
 528                                         /* Only enable for folders, not accounts,
 529                                          * though the UI spec is not clear about that.
 530                                          * If we enable this for accounts then we must
 531                                          * add code to handle them in modest_ui_actions_on_details(). */
 532                                         if (!TNY_IS_FOLDER(folder_store)) {
 533                                                 dimmed = TRUE;
 534                                                 modest_dimming_rule_set_notification (rule, "");
 535                                         }
 536
 537                                         g_object_unref (folder_store);
 538                                 }
 539                         }
 540
 541                 }
 542
 543         /* msg view window dimming rules */
 544         } else {
 545
 546                 /* Check dimmed rule */
 547                 if (!dimmed) {
 548                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 549                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 550                         if (dimmed)
 551                                 modest_dimming_rule_set_notification (rule, "");
 552                 }
 553         }
 554
 555         return dimmed;
 556 }
 557
 558
 559 gboolean
 560 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 561 {
 562         ModestDimmingRule *rule = NULL;
 563         TnyHeaderFlags flags;
 564         gboolean dimmed = FALSE;
 565
 566         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 567         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 568         rule = MODEST_DIMMING_RULE (user_data);
 569
 570         flags = TNY_HEADER_FLAG_SEEN;
 571
 572         /* Check dimmed rule */
 573         if (!dimmed) {
 574                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 575         }
 576         if (!dimmed) {
 577                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 578                 if (dimmed)
 579                         modest_dimming_rule_set_notification (rule, "");
 580         }
 581
 582         return dimmed;
 583 }
 584
 585 gboolean
 586 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 587 {
 588         ModestDimmingRule *rule = NULL;
 589         TnyHeaderFlags flags;
 590         gboolean dimmed = FALSE;
 591
 592         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 593         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 594         rule = MODEST_DIMMING_RULE (user_data);
 595
 596         flags = TNY_HEADER_FLAG_SEEN;
 597
 598         /* Check dimmed rule */
 599         if (!dimmed)
 600                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 601         if (!dimmed) {
 602                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 603                 if (dimmed)
 604                         modest_dimming_rule_set_notification (rule, "");
 605         }
 606
 607         return dimmed;
 608 }
 609
 610 gboolean
 611 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 612 {
 613         ModestDimmingRule *rule = NULL;
 614         gboolean dimmed = FALSE;
 615
 616         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 617         rule = MODEST_DIMMING_RULE (user_data);
 618
 619         if (MODEST_IS_MAIN_WINDOW (win))
 620                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 621         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 622                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 623
 624         return dimmed;
 625 }
 626
 627
 628 gboolean
 629 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 630 {
 631         GtkWidget *folder_view = NULL;
 632         GtkWidget *header_view = NULL;
 633         ModestDimmingRule *rule = NULL;
 634         guint n_messages = 0;
 635         gboolean dimmed = FALSE;
 636
 637         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 638         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 639         rule = MODEST_DIMMING_RULE (user_data);
 640
 641         /* Get the folder view */
 642         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 643                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 644
 645         /* Get header view */
 646         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 647                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 648
 649         /* Check diming rules for folders and messages transfer  */
 650         if (!dimmed) {
 651                 dimmed = _already_opened_msg (win, &n_messages);
 652                 if (dimmed) {
 653                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 654                         modest_dimming_rule_set_notification (rule, message);
 655                         g_free(message);
 656                 }
 657         }
 658         if (!dimmed) {
 659                 if (!gtk_widget_is_focus (folder_view))
 660                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 661
 662         }
 663
 664         return dimmed;
 665 }
 666
 667 gboolean
 668 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 669 {
 670         ModestDimmingRule *rule = NULL;
 671         gboolean dimmed = FALSE;
 672
 673         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 674         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 675         rule = MODEST_DIMMING_RULE (user_data);
 676
 677         /* Check dimmed rule */
 678         if (!dimmed) {
 679                 dimmed = _transfer_mode_enabled (win);
 680                 if (dimmed)
 681                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 682         }
 683         if (!dimmed) {
 684                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 685                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 686                 if (dimmed)
 687                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 688         }
 689
 690         return dimmed;
 691 }
 692
 693 gboolean
 694 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 695 {
 696         ModestDimmingRule *rule = NULL;
 697         gboolean dimmed = FALSE;
 698
 699         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 700         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 701         rule = MODEST_DIMMING_RULE (user_data);
 702
 703         /* Check dimmed rule */
 704         if (!dimmed) {
 705                 dimmed = _transfer_mode_enabled (win);
 706                 if (dimmed)
 707                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 708         }
 709
 710         return dimmed;
 711 }
 712
 713 gboolean
 714 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 715 {
 716         ModestDimmingRule *rule = NULL;
 717         TnyFolderType types[3];
 718         gboolean dimmed = FALSE;
 719
 720         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 721         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 722         rule = MODEST_DIMMING_RULE (user_data);
 723
 724         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 725         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 726         types[2] = TNY_FOLDER_TYPE_SENT;
 727
 728         /* Check dimmed rule */
 729         if (!dimmed) {
 730                 dimmed = _clipboard_is_empty (win);
 731                 if (dimmed)
 732                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 733         }
 734         if (!dimmed) {
 735                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 736                 if (dimmed)
 737                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 738         }
 739         if (!dimmed) {
 740                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 741                 if (dimmed) {
 742                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 743                 }
 744         }
 745         if (!dimmed) {
 746                 dimmed = _selected_folder_is_same_as_source (win);
 747                 if (dimmed)
 748                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 749         }
 750
 751         return dimmed;
 752 }
 753
 754
 755 gboolean
 756 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 757 {
 758         ModestDimmingRule *rule = NULL;
 759         gboolean dimmed = FALSE;
 760
 761         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 762         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 763         rule = MODEST_DIMMING_RULE (user_data);
 764
 765         /* Check dimmed rule */
 766         if (!dimmed) {
 767                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 768                 if (dimmed)
 769                         modest_dimming_rule_set_notification (rule, "");
 770         }
 771
 772         return dimmed;
 773 }
 774
 775 gboolean
 776 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 777 {
 778         ModestDimmingRule *rule = NULL;
 779         gboolean dimmed = FALSE;
 780
 781         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 782         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 783         rule = MODEST_DIMMING_RULE (user_data);
 784
 785         /* Check dimmed rule */
 786         if (!dimmed)
 787                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 788
 789         if (!dimmed) {
 790                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 791                 if (dimmed) {
 792                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 793                 }
 794         }
 795
 796         return dimmed;
 797 }
 798
 799 gboolean
 800 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 801 {
 802         ModestDimmingRule *rule = NULL;
 803         gboolean dimmed = FALSE;
 804
 805         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 806         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 807         rule = MODEST_DIMMING_RULE (user_data);
 808
 809         /* Check dimmed rule */
 810         if (!dimmed)
 811                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 812
 813         if (!dimmed) {
 814                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 815                 if (dimmed) {
 816                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 817                 }
 818         }
 819
 820         return dimmed;
 821 }
 822
 823 gboolean
 824 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 825 {
 826         ModestDimmingRule *rule = NULL;
 827         gboolean dimmed = FALSE;
 828
 829         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 830         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 831         rule = MODEST_DIMMING_RULE (user_data);
 832
 833         /* Check in main window if there's only one message selected */
 834         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 835                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 836         }
 837
 838         /* Check in view window if there's any attachment selected */
 839         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 840                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 841                 if (dimmed)
 842                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 843         }
 844
 845         /* cannot purge in editable drafts nor pop folders */
 846         if (!dimmed) {
 847                 dimmed = _invalid_folder_for_purge (win, rule);
 848         }
 849
 850         /* Check if the selected message in main window has attachments */
 851         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 852                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 853                 if (dimmed)
 854                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 855         }
 856
 857         /* Check if all attachments are already purged */
 858         if (!dimmed) {
 859                 dimmed = _purged_attach_selected (win, TRUE, rule);
 860         }
 861
 862         /* Check if the message is already downloaded */
 863         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 864                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 865                 if (dimmed)
 866                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 867         }
 868
 869
 870         return dimmed;
 871 }
 872
 873 gboolean
 874 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 875 {
 876         ModestDimmingRule *rule = NULL;
 877         gboolean dimmed = FALSE;
 878
 879         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 880         rule = MODEST_DIMMING_RULE (user_data);
 881
 882         /* Check dimmed rule */
 883         if (!dimmed) {
 884                 dimmed = _clipboard_is_empty (win);
 885                 if (dimmed)
 886                         modest_dimming_rule_set_notification (rule, "");
 887         }
 888
 889         return dimmed;
 890 }
 891
 892 gboolean
 893 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 894 {
 895         ModestDimmingRule *rule = NULL;
 896         gboolean dimmed = FALSE;
 897
 898         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 899         rule = MODEST_DIMMING_RULE (user_data);
 900
 901         /* Check common dimming rules */
 902         if (!dimmed) {
 903                 dimmed = _invalid_clipboard_selected (win, rule);
 904         }
 905
 906         /* Check window specific dimming rules */
 907         if (MODEST_IS_MAIN_WINDOW (win)) {
 908                 if (!dimmed) {
 909                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 910                         if (dimmed)
 911                                 modest_dimming_rule_set_notification (rule, "");
 912                 }
 913                 if (!dimmed) {
 914                         dimmed = _selected_msg_sent_in_progress (win);
 915                         if (dimmed)
 916                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 917                 }
 918         }
 919
 920         return dimmed;
 921 }
 922
 923 gboolean
 924 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 925 {
 926         ModestDimmingRule *rule = NULL;
 927         gboolean dimmed = FALSE;
 928
 929         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 930         rule = MODEST_DIMMING_RULE (user_data);
 931
 932         /* Check common dimming rules */
 933         if (!dimmed) {
 934                 dimmed = _invalid_clipboard_selected (win, rule);
 935         }
 936
 937         /* Check window specific dimming rules */
 938         if (MODEST_IS_MAIN_WINDOW (win)) {
 939                 if (!dimmed) {
 940                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 941                         if (dimmed)
 942                                 modest_dimming_rule_set_notification (rule, "");
 943                 }
 944                 if (!dimmed) {
 945                         dimmed = _selected_msg_sent_in_progress (win);
 946                         if (dimmed)
 947                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 948                 }
 949         }
 950
 951         return dimmed;
 952 }
 953
 954 gboolean
 955 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 956 {
 957         ModestDimmingRule *rule = NULL;
 958         gboolean dimmed = FALSE;
 959
 960         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 961         rule = MODEST_DIMMING_RULE (user_data);
 962
 963         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 964
 965         /* Check dimmed rule */
 966         if (!dimmed) {
 967                 dimmed = _transfer_mode_enabled (win);
 968                 if (dimmed)
 969                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 970         }
 971         if (!dimmed) {
 972                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 973                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 974                 modest_dimming_rule_set_notification (rule, NULL);
 975         }
 976
 977         return dimmed;
 978 }
 979
 980 gboolean
 981 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 982 {
 983         ModestDimmingRule *rule = NULL;
 984         gboolean dimmed = FALSE;
 985
 986         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 987         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 988         rule = MODEST_DIMMING_RULE (user_data);
 989
 990         /* Check dimmed rule */
 991         if (!dimmed) {
 992                 dimmed = _transfer_mode_enabled (win);
 993                 if (dimmed)
 994                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 995         }
 996         if (!dimmed) {
 997                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 998                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
 999                 modest_dimming_rule_set_notification (rule, NULL);
1000         }
1001
1002         return dimmed;
1003 }
1004
1005
1006 gboolean
1007 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1008 {
1009         const gboolean dimmed =
1010                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1011                         TRUE);
1012
1013         return dimmed;
1014 }
1015
1016 gboolean
1017 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1018 {
1019         ModestDimmingRule *rule = NULL;
1020         TnyFolderType types[1];
1021         guint n_messages = 0;
1022         gboolean dimmed = FALSE;
1023
1024         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1025         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1026         rule = MODEST_DIMMING_RULE (user_data);
1027
1028         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1029
1030         /* Check dimmed rules */
1031         if (!dimmed) {
1032                 dimmed = _already_opened_msg (win, &n_messages);
1033                 if (dimmed)
1034                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1035         }
1036         if (!dimmed) {
1037                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1038                 if (dimmed)
1039                         modest_dimming_rule_set_notification (rule, "");
1040         }
1041         if (!dimmed) {
1042                 dimmed = !_sending_in_progress (win);
1043                 if (dimmed)
1044                         modest_dimming_rule_set_notification (rule, "");
1045         }
1046
1047         return dimmed;
1048 }
1049
1050 gboolean
1051 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1052 {
1053         ModestDimmingRule *rule = NULL;
1054         gboolean dimmed = FALSE;
1055
1056         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1057         rule = MODEST_DIMMING_RULE (user_data);
1058
1059         /* Check dimmed rule */
1060         if (!dimmed) {
1061                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1062                                                           TRUE);
1063                 if (dimmed)
1064                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1065         }
1066
1067         return dimmed;
1068 }
1069
1070 gboolean
1071 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1072 {
1073         ModestDimmingRule *rule = NULL;
1074         gboolean dimmed = FALSE;
1075
1076         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1077         rule = MODEST_DIMMING_RULE (user_data);
1078
1079         /* Check dimmed rule */
1080         if (!dimmed) {
1081                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1082                 gchar *selection = NULL;
1083                 selection = gtk_clipboard_wait_for_text (clipboard);
1084
1085                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1086         }
1087
1088         return dimmed;
1089 }
1090
1091 /* *********************** static utility functions ******************** */
1092
1093 static gboolean
1094 _marked_as_deleted (ModestWindow *win)
1095 {
1096         gboolean result = FALSE;
1097         TnyHeaderFlags flags;
1098
1099         flags = TNY_HEADER_FLAG_DELETED;
1100
1101         /* Check dimmed rule */
1102         result = _selected_msg_marked_as (win, flags, FALSE);
1103
1104         return result;
1105 }
1106
1107 static gboolean
1108 _selected_folder_not_writeable (ModestMainWindow *win)
1109 {
1110         GtkWidget *folder_view = NULL;
1111         TnyFolderStore *parent_folder = NULL;
1112         ModestTnyFolderRules rules;
1113         gboolean result = FALSE;
1114
1115         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1116
1117         /* Get folder view */
1118         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1119                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1120         /* If no folder view, always dimmed */
1121         if (!folder_view)
1122                 return TRUE;
1123
1124         /* Get selected folder as parent of new folder to create */
1125         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1126         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1127                 if (parent_folder)
1128                         g_object_unref (parent_folder);
1129                 return TRUE;
1130         }
1131
1132         /* Check dimmed rule */
1133         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1134         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1135
1136         /* free */
1137         g_object_unref (parent_folder);
1138
1139         return result;
1140 }
1141
1142 static gboolean
1143 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1144 {
1145         TnyFolderType types[2];
1146         gboolean result = FALSE;
1147
1148         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1149
1150         types[0] = TNY_FOLDER_TYPE_ROOT;
1151         types[1] = TNY_FOLDER_TYPE_INBOX;
1152
1153         /* Check folder type */
1154         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
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
1165 static gboolean
1166 _selected_folder_is_root (ModestMainWindow *win)
1167 {
1168         TnyFolderType types[1];
1169         gboolean result = FALSE;
1170
1171         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1172
1173         /* All accounts are root items: */
1174         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1175                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1176         if (folder_view) {
1177                 gboolean is_account = FALSE;
1178                 TnyFolderStore *folder_store =
1179                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1180                 if (folder_store) {
1181                         is_account = TNY_IS_ACCOUNT (folder_store);
1182                         g_object_unref (folder_store);
1183                         folder_store = NULL;
1184                 }
1185
1186                 if (is_account)
1187                         return TRUE;
1188         }
1189
1190         /* Try something more precise: */
1191         types[0] = TNY_FOLDER_TYPE_ROOT;
1192
1193         /* Check folder type */
1194         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1195
1196         /* Check pop and MMC accounts */
1197         if (!result) {
1198                 result = _selected_folder_is_MMC_or_POP_root (win);
1199         }
1200
1201         return result;
1202 }
1203
1204 static gboolean
1205 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1206 {
1207         GtkWidget *folder_view = NULL;
1208         TnyFolderStore *parent_folder = NULL;
1209         gboolean result = FALSE;
1210
1211         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1212                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1213         /* Get selected folder as parent of new folder to create */
1214         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1215         if (!parent_folder)
1216                 return TRUE;
1217
1218         if (TNY_IS_ACCOUNT (parent_folder)) {
1219                 /* If it's the local account then do not dim */
1220                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1221                         result = FALSE;
1222                 } else {
1223                                 /* If it's the MMC root folder then dim it */
1224                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1225                                         result = TRUE;
1226                         } else {
1227                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1228                                 /* If it's POP then dim */
1229                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1230                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1231                         }
1232                 }
1233         }
1234         g_object_unref (parent_folder);
1235
1236         return result;
1237 }
1238
1239
1240 static gboolean
1241 _selected_folder_is_empty (ModestMainWindow *win)
1242 {
1243         GtkWidget *folder_view = NULL;
1244         TnyFolderStore *folder = NULL;
1245         gboolean result = FALSE;
1246
1247         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1248
1249         /* Get folder view */
1250         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1251                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1252         /* If no folder view, always dimmed */
1253         if (!folder_view)
1254                 return TRUE;
1255
1256         /* Get selected folder as parent of new folder to create */
1257         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1258         if (!(folder && TNY_IS_FOLDER(folder))) {
1259                 if (folder)
1260                         g_object_unref (folder);
1261                 return TRUE;
1262         }
1263
1264         /* Check folder type */
1265         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1266
1267         /* free */
1268         g_object_unref (folder);
1269
1270         return result;
1271 }
1272
1273 static gboolean
1274 _selected_folder_is_same_as_source (ModestWindow *win)
1275 {
1276         ModestEmailClipboard *clipboard = NULL;
1277         GtkWidget *folder_view = NULL;
1278         TnyFolderStore *folder = NULL;
1279         gboolean result = FALSE;
1280
1281         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1282
1283         /* Get folder view */
1284         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1285                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1286         if (!folder_view)
1287                 return FALSE;
1288
1289         /* Get selected folder as destination folder */
1290         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1291         if (!(folder && TNY_IS_FOLDER(folder))) {
1292                 result = FALSE;
1293                 goto frees;
1294         }
1295
1296         /* Check clipboard is cleared */
1297         clipboard = modest_runtime_get_email_clipboard ();
1298         if (modest_email_clipboard_cleared (clipboard)) {
1299                 result = FALSE;
1300                 goto frees;
1301         }
1302
1303         /* Check source folder */
1304         result = modest_email_clipboard_check_source_folder (clipboard,
1305                                                              (const TnyFolder *) folder);
1306
1307         /* Free */
1308  frees:
1309         g_object_unref (folder);
1310
1311         return result;
1312 }
1313
1314 static gboolean
1315 _selected_folder_is_any_of_type (ModestWindow *win,
1316                                  TnyFolderType types[],
1317                                  guint ntypes)
1318 {
1319         GtkWidget *folder_view = NULL;
1320         TnyFolderStore *folder = NULL;
1321         TnyFolderType folder_type;
1322         guint i=0;
1323         gboolean result = FALSE;
1324
1325         /*Get current folder */
1326         if (MODEST_IS_MAIN_WINDOW(win)) {
1327
1328                 /* Get folder view */
1329                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1330                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1331                 /* If no folder view, always dimmed */
1332                 if (!folder_view)
1333                         return FALSE;
1334
1335                 /* Get selected folder as parent of new folder to create */
1336                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1337
1338                 if (!(folder && TNY_IS_FOLDER(folder))) {
1339                         if (folder)
1340                                 g_object_unref (folder);
1341                         return FALSE;
1342                 }
1343
1344                 /* Check folder type */
1345                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1346         }
1347         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1348                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1349                 for (i=0; i < ntypes; i++) {
1350                         result = result || folder_type == types[i];
1351                 }
1352         }
1353
1354
1355         /* free */
1356         g_object_unref (folder);
1357
1358         return result;
1359 }
1360
1361 static gboolean
1362 _folder_is_any_of_type (TnyFolder *folder,
1363                         TnyFolderType types[],
1364                         guint ntypes)
1365 {
1366         TnyFolderType folder_type;
1367         gboolean result = FALSE;
1368         guint i;
1369
1370         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1371
1372         /* Get folder type */
1373         folder_type = modest_tny_folder_guess_folder_type (folder);
1374
1375         /* Check foler type */
1376         for (i=0; i < ntypes; i++) {
1377                 result = result || folder_type == types[i];
1378         }
1379
1380         return result;
1381 }
1382
1383 static gboolean
1384 _selected_folder_is_snd_level (ModestMainWindow *win)
1385 {
1386         GtkWidget *folder_view = NULL;
1387         GtkTreeSelection *sel = NULL;
1388         GtkTreeModel *model = NULL;
1389         GtkTreePath *path = NULL;
1390         GtkTreeIter iter;
1391         TnyFolderStore *folder = NULL;
1392         gboolean result = FALSE;
1393
1394         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1395
1396         /*Get curent folder */
1397         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1398                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1399         /* If no folder view, always dimmed */
1400         if (!folder_view)
1401                 goto frees;
1402
1403         /* Get selected folder as parent of new folder to create */
1404         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1405         if (!(folder && TNY_IS_FOLDER(folder))) {
1406                 goto frees;
1407         }
1408
1409         /* Check folder level */
1410         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1411         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1412                 goto frees;
1413         path = gtk_tree_model_get_path (model, &iter);
1414         result = gtk_tree_path_get_depth (path) > 2;
1415
1416  frees:
1417         if (folder != NULL)
1418                 g_object_unref (folder);
1419         if (path != NULL)
1420                 gtk_tree_path_free (path);
1421
1422         return result;
1423
1424 }
1425
1426 static gboolean
1427 _clipboard_is_empty (ModestWindow *win)
1428 {
1429         gboolean result = FALSE;
1430
1431         if (MODEST_IS_MAIN_WINDOW (win)) {
1432                 ModestEmailClipboard *clipboard = NULL;
1433                 clipboard = modest_runtime_get_email_clipboard ();
1434                 if (modest_email_clipboard_cleared (clipboard))
1435                  result = TRUE;
1436         }
1437
1438         return result;
1439 }
1440
1441 static gboolean
1442 _invalid_clipboard_selected (ModestWindow *win,
1443                        ModestDimmingRule *rule)
1444 {
1445         gboolean result = FALSE;
1446
1447         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1448                 GtkClipboard *clipboard = NULL;
1449                 gchar *selection = NULL;
1450                 GtkWidget *focused = NULL;
1451
1452                 /* Get clipboard selection*/
1453                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1454                 selection = gtk_clipboard_wait_for_text (clipboard);
1455
1456                 /* Get focuesed widget */
1457                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1458
1459                 /* Check dimming */
1460                 result = ((selection == NULL) ||
1461                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1462
1463                 if (result)
1464                         modest_dimming_rule_set_notification (rule, "");
1465         }
1466         else if (MODEST_IS_MAIN_WINDOW (win)) {
1467                 GtkWidget *header_view = NULL;
1468
1469                 /* Get header view to check selected messages */
1470                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1471                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1472
1473                 /* Check dimming */
1474                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1475                 if (result)
1476                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1477         }
1478
1479         return result;
1480 }
1481
1482
1483 static gboolean
1484 _invalid_attach_selected (ModestWindow *win,
1485                           gboolean unique,
1486                           gboolean for_view,
1487                           ModestDimmingRule *rule)
1488 {
1489         GList *attachments, *node;
1490         gint n_selected;
1491         TnyHeaderFlags flags;
1492         gboolean nested_attachments = FALSE;
1493         gboolean selected_messages = FALSE;
1494         gboolean result = FALSE;
1495
1496         if (MODEST_IS_MAIN_WINDOW (win)) {
1497                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1498                 if (!result)
1499                         result = _selected_msg_marked_as (win, flags, TRUE);
1500         }
1501         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1502
1503                 /* Get selected atachments */
1504                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1505                 n_selected = g_list_length (attachments);
1506
1507                 /* Check unique */
1508                 if (!result) {
1509                         if (unique)
1510                                 result = n_selected != 1;
1511                         else
1512
1513                                 result = n_selected < 1;
1514                 }
1515
1516                 /* Check attached type (view operation not required) */
1517                 if (!result && !for_view)  {
1518                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1519                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1520                                 TnyList *nested_list = tny_simple_list_new ();
1521                                 if (TNY_IS_MSG (mime_part)) {
1522                                         selected_messages = TRUE;
1523                                         result = TRUE;
1524                                 }
1525                                 tny_mime_part_get_parts (mime_part, nested_list);
1526                                 if (tny_list_get_length (nested_list) > 0) {
1527                                 nested_attachments = TRUE;
1528                                 result = TRUE;
1529                                 }
1530                                 g_object_unref (nested_list);
1531                         }
1532                 }
1533
1534                 /* Set notifications */
1535                 if (result && rule != NULL) {
1536                         if (selected_messages) {
1537                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1538                         } else if (nested_attachments) {
1539                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1540                         } else if (n_selected == 0) {
1541                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1542                         } else if (unique) {
1543                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1544                         }
1545                 }
1546
1547                 /* Free */
1548                 g_list_free (attachments);
1549         }
1550
1551         return result;
1552 }
1553
1554 static gboolean
1555 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1556 {
1557         GList *attachments = NULL, *node;
1558         gint purged = 0;
1559         gint n_attachments = 0;
1560         gboolean result = FALSE;
1561
1562         /* This should check if _all_ the attachments are already purged. If only some
1563          * of them are purged, then it does not cause dim as there's a confirmation dialog
1564          * for removing only local attachments */
1565
1566         /* Get selected atachments */
1567         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1568                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1569         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1570                 /* If we're in main window, we won't know if there are already purged attachments */
1571                 return FALSE;
1572         }
1573
1574         if (attachments == NULL)
1575                 return FALSE;
1576
1577         for (node = attachments; node != NULL; node = g_list_next (node)) {
1578                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1579                 if (tny_mime_part_is_purged (mime_part)) {
1580                         purged++;
1581                 }
1582                 n_attachments++;
1583         }
1584
1585         /* Free */
1586         g_list_free (attachments);
1587
1588         if (all)
1589                 result = (purged == n_attachments);
1590         else
1591                 result = (purged > 0);
1592
1593         if (result && (rule != NULL))
1594                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1595
1596         return result;
1597 }
1598
1599 static gboolean
1600 _invalid_msg_selected (ModestMainWindow *win,
1601                        gboolean unique,
1602                        ModestDimmingRule *rule)
1603 {
1604         GtkWidget *header_view = NULL;
1605         GtkWidget *folder_view = NULL;
1606         gboolean selected_headers = FALSE;
1607         gboolean result = FALSE;
1608
1609         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1610         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1611
1612         /* Get header view to check selected messages */
1613         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1614                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1615
1616         /* Get folder view to check focus */
1617         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1618                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1619
1620         /* Get selected headers */
1621         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1622
1623         /* Check dimmed rule (TODO: check focus on widgets */
1624         if (!result) {
1625                 result = ((!selected_headers) ||
1626                           (gtk_widget_is_focus (folder_view)));
1627                 if (result)
1628                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1629         }
1630         if (!result && unique) {
1631                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1632                 if (result)
1633                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1634         }
1635
1636         return result;
1637 }
1638
1639 static gboolean
1640 _already_opened_msg (ModestWindow *win,
1641                      guint *n_messages)
1642 {
1643         //ModestWindow *window = NULL;
1644         ModestWindowMgr *mgr = NULL;
1645         GtkWidget *header_view = NULL;
1646         TnyList *selected_headers = NULL;
1647         TnyIterator *iter = NULL;
1648         TnyHeader *header = NULL;
1649         gboolean found;
1650
1651         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1652
1653         /* Get header view to check selected messages */
1654         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1655                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1656
1657
1658         /* Check no selection */
1659         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1660             return FALSE;
1661
1662         /* Get selected headers */
1663         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1664         if (selected_headers == NULL)
1665                 return FALSE;
1666
1667         *n_messages = tny_list_get_length (selected_headers);
1668
1669         /* Check dimmed rule (TODO: check focus on widgets */
1670         mgr = modest_runtime_get_window_mgr ();
1671         iter = tny_list_create_iterator (selected_headers);
1672         found = FALSE;
1673         while (!tny_iterator_is_done (iter)) {
1674                 header = TNY_HEADER (tny_iterator_get_current (iter));
1675                 if (header) {
1676                         found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1677
1678                         g_object_unref (header);
1679                 }
1680
1681                 tny_iterator_next (iter);
1682
1683                 if (found)
1684                         break;
1685         }
1686
1687         /* free */
1688         if (selected_headers != NULL)
1689                 g_object_unref (selected_headers);
1690         if (iter != NULL)
1691                 g_object_unref (iter);
1692
1693         return found;
1694 }
1695
1696 static gboolean
1697 _selected_msg_marked_as (ModestWindow *win,
1698                          TnyHeaderFlags mask,
1699                          gboolean opposite)
1700 {
1701         ModestWindow *main_window = NULL;
1702         GtkWidget *header_view = NULL;
1703         TnyList *selected_headers = NULL;
1704         TnyIterator *iter = NULL;
1705         TnyHeader *header = NULL;
1706         TnyHeaderFlags flags = 0;
1707         gboolean result = FALSE;
1708
1709         if (MODEST_IS_MAIN_WINDOW (win))
1710                 main_window = win;
1711         else
1712                 main_window =
1713                         modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
1714
1715         /* TODO: Javi, what about if the main window does not
1716            exist?. Adding some code to avoid CRITICALs */
1717         if (!main_window)
1718                 return FALSE;
1719
1720         /* Get header view to check selected messages */
1721         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_window),
1722                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1723
1724         /* Check no selection */
1725         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1726             return TRUE;
1727
1728         /* Get selected headers */
1729         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1730         if (selected_headers == NULL)
1731                 return TRUE;
1732
1733         /* Call the function for each header */
1734         iter = tny_list_create_iterator (selected_headers);
1735         while (!tny_iterator_is_done (iter) && !result) {
1736                 header = TNY_HEADER (tny_iterator_get_current (iter));
1737                 if (header) {
1738                         flags = tny_header_get_flags (header);
1739                         if (opposite)
1740                                 result = (flags & mask) == 0;
1741                         else
1742                                 result = (flags & mask) != 0;
1743
1744                         g_object_unref (header);
1745                 }
1746
1747                 tny_iterator_next (iter);
1748         }
1749
1750         /* free */
1751         if (selected_headers != NULL)
1752                 g_object_unref (selected_headers);
1753         if (iter != NULL)
1754                 g_object_unref (iter);
1755
1756         return result;
1757 }
1758
1759 static gboolean
1760 _msg_download_in_progress (ModestMsgViewWindow *win)
1761 {
1762         gboolean result = FALSE;
1763
1764         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1765
1766         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1767
1768         return result;
1769 }
1770
1771 static gboolean
1772 _msg_download_completed (ModestMainWindow *win)
1773 {
1774         GtkWidget *header_view = NULL;
1775         TnyList *selected_headers = NULL;
1776         TnyIterator *iter = NULL;
1777         TnyHeader *header = NULL;
1778         TnyHeaderFlags flags = 0;
1779         gboolean result = FALSE;
1780
1781         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1782
1783
1784         /* Get header view to check selected messages */
1785         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1786                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1787
1788         /* Check no selection */
1789         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1790             return TRUE;
1791
1792         /* Get selected headers */
1793         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1794         if (selected_headers == NULL)
1795                 return TRUE;
1796
1797         /* Check dimmed rule  */
1798         result = TRUE;
1799         iter = tny_list_create_iterator (selected_headers);
1800         while (!tny_iterator_is_done (iter) && result) {
1801                 header = TNY_HEADER (tny_iterator_get_current (iter));
1802                 if (header) {
1803                         flags = tny_header_get_flags (header);
1804                         /* TODO: is this the right flag?, it seems that some
1805                            headers that have been previously downloaded do not
1806                            come with it */
1807                         result = (flags & TNY_HEADER_FLAG_CACHED);
1808
1809                         g_object_unref (header);
1810                 }
1811
1812                 tny_iterator_next (iter);
1813         }
1814
1815         g_object_unref (iter);
1816
1817         return result;
1818 }
1819
1820 static gboolean
1821 _selected_msg_sent_in_progress (ModestWindow *win)
1822 {
1823         ModestTnySendQueue *send_queue = NULL;
1824         GtkWidget *header_view = NULL;
1825         ModestTnyAccountStore *acc_store = NULL;
1826         TnyAccount *account = NULL;
1827         TnyList *header_list = NULL;
1828         TnyIterator *iter = NULL;
1829         TnyHeader *header = NULL;
1830         const gchar *account_name = NULL;
1831         gboolean result = FALSE;
1832         gchar *id = NULL;
1833
1834         /* Get transport account */
1835         acc_store = modest_runtime_get_account_store();
1836         account_name = modest_window_get_active_account (win);
1837
1838         /* If no account defined, this action must be always dimmed  */
1839         if (account_name == NULL) return FALSE;
1840         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1841         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1842
1843         /* Get send queue for current ransport account */
1844         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1845         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1846
1847         if (MODEST_IS_MAIN_WINDOW(win)) {
1848
1849                 /* Get header view to check selected messages */
1850                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1851                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1852
1853                 /* Check no selection */
1854                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1855                     return FALSE;
1856
1857                 /* Get selected headers */
1858                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1859
1860                 /* Get message header */
1861                 if (!header_list) return FALSE;
1862                 iter = tny_list_create_iterator (header_list);
1863                 header = TNY_HEADER (tny_iterator_get_current (iter));
1864                 if (header) {
1865                         /* Get message id */
1866                         id = g_strdup(tny_header_get_message_id (header));
1867                         g_object_unref (header);
1868                 }
1869
1870         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1871
1872                 /* Get message header */
1873                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1874                 if (header) {
1875                         /* Get message id */
1876                         id = g_strdup(tny_header_get_message_id (header));
1877
1878                         g_object_unref (header);
1879                 }
1880         }
1881
1882         /* Check if msg id is being processed inside send queue */
1883         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1884
1885         /* Free */
1886         g_free(id);
1887         g_object_unref(header_list);
1888         g_object_unref(iter);
1889
1890         return result;
1891 }
1892
1893
1894 static gboolean
1895 _sending_in_progress (ModestWindow *win)
1896 {
1897         gboolean result = FALSE;
1898
1899         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1900
1901         /* Check if send operation is in progress */
1902         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1903
1904         return result;
1905 }
1906
1907 static gboolean
1908 _invalid_folder_for_purge (ModestWindow *win,
1909                            ModestDimmingRule *rule)
1910 {
1911         TnyMsg *msg = NULL;
1912         TnyFolder *folder = NULL;
1913         TnyAccount *account = NULL;
1914         gboolean result = FALSE;
1915
1916         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1917
1918                 /* Get folder and account of message */
1919                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1920                 g_return_val_if_fail(msg != NULL, TRUE);
1921                 folder = tny_msg_get_folder (msg);
1922                 if (folder == NULL) {
1923                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1924                         goto frees;
1925                 }
1926                 g_object_unref (msg);
1927         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1928                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1929                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1930                 if (!folder_view)
1931                         return FALSE;
1932                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1933                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1934                         goto frees;
1935         } else {
1936                 g_return_val_if_reached (FALSE);
1937         }
1938         account = modest_tny_folder_get_account (folder);
1939         if (account == NULL) goto frees;
1940
1941         /* Check account */
1942         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1943                 TnyFolderType types[2];
1944                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1945                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1946
1947                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1948                         result = TRUE;
1949                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1950                 } else {
1951                         /* We're currently disabling purge in any local store */
1952                         result = TRUE;
1953                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1954                 }
1955         } else {
1956                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1957                 /* If it's POP then dim */
1958                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1959                     MODEST_PROTOCOL_STORE_POP) {
1960                         GList *attachments = NULL;
1961                         gint n_selected = 0;
1962                         result = TRUE;
1963
1964                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
1965                          * murrayc */
1966                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1967                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1968                                 n_selected = g_list_length (attachments);
1969                                 g_list_free (attachments);
1970                         }
1971
1972                         modest_dimming_rule_set_notification (rule,
1973                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1974                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1975                                                                         n_selected));
1976                 }
1977         }
1978
1979 frees:
1980         if (folder != NULL)
1981                 g_object_unref (folder);
1982         if (account != NULL)
1983                 g_object_unref (account);
1984
1985         return result;
1986 }
1987
1988 static gboolean
1989 _transfer_mode_enabled (ModestWindow *win)
1990 {
1991         gboolean result = FALSE;
1992
1993         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1994
1995         /* Check dimming */
1996         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1997
1998         return result;
1999 }