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                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
  82                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  83                 if (dimmed)
  84                         modest_dimming_rule_set_notification (rule, "");
  85         }
  86
  87         return dimmed;
  88 }
  89
  90 gboolean
  91 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  92 {
  93         ModestDimmingRule *rule = NULL;
  94         gboolean dimmed = FALSE;
  95
  96         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  97         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  98         rule = MODEST_DIMMING_RULE (user_data);
  99
 100         /* Check common new folder menu item dimming rules */
 101         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 102
 103         /* Check CSM specific dimming rules */
 104         if (!dimmed) {
 105                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 106                 if (dimmed)
 107                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 108         }
 109
 110         return dimmed;
 111 }
 112
 113 gboolean
 114 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 115 {
 116         ModestDimmingRule *rule = NULL;
 117         GtkWidget *folder_view = NULL;
 118         TnyFolderStore *parent_folder = NULL;
 119         gboolean dimmed = FALSE;
 120
 121         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 122         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 123         rule = MODEST_DIMMING_RULE (user_data);
 124
 125         /* Get selected folder as parent of new folder to create */
 126         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 127                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 128         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 129         if (!parent_folder)
 130                 return TRUE;
 131
 132         if (TNY_IS_ACCOUNT (parent_folder)) {
 133                 /* If it's the local account then do not dim */
 134                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 135                         dimmed = FALSE;
 136                 } else {
 137                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 138                         /* If it's POP then dim */
 139                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 140                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 141                         if (dimmed)
 142                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 143                 }
 144         } else {
 145                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 146
 147                 TnyFolderType types[3];
 148
 149                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 150                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 151                 types[2] = TNY_FOLDER_TYPE_SENT;
 152
 153                 /* Apply folder rules */
 154                 if (!dimmed) {
 155                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 156                         if (dimmed)
 157                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 158                 }
 159                 if (!dimmed) {
 160                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 161                         if (dimmed)
 162                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 163                 }
 164         }
 165         g_object_unref (parent_folder);
 166
 167         return dimmed;
 168 }
 169
 170 gboolean
 171 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 172 {
 173         ModestDimmingRule *rule = NULL;
 174         GtkWidget *folder_view = NULL;
 175         GtkWidget *header_view = NULL;
 176         gboolean dimmed = FALSE;
 177
 178         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 179         rule = MODEST_DIMMING_RULE (user_data);
 180
 181         if (MODEST_IS_MAIN_WINDOW (win)) {
 182                 /* Get the folder view */
 183                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 184                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 185
 186                 /* Get header view */
 187                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 188                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 189
 190                 if (header_view && gtk_widget_is_focus (header_view))
 191                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 192
 193                 if (folder_view && gtk_widget_is_focus (folder_view))
 194                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 195
 196                 if (header_view && folder_view &&
 197                     !gtk_widget_is_focus (header_view) &&
 198                     !gtk_widget_is_focus (folder_view)) {
 199                         dimmed = TRUE;
 200                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 201                 }
 202         } else {
 203                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 204         }
 205
 206         return dimmed;
 207 }
 208
 209
 210
 211 gboolean
 212 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 213 {
 214         ModestDimmingRule *rule = NULL;
 215         TnyFolderType types[6];
 216         gboolean dimmed = FALSE;
 217
 218         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 219         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 220         rule = MODEST_DIMMING_RULE (user_data);
 221
 222         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 223         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 224         types[2] = TNY_FOLDER_TYPE_SENT;
 225         types[3] = TNY_FOLDER_TYPE_INBOX;
 226         types[4] = TNY_FOLDER_TYPE_ROOT;
 227         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 228
 229
 230         /* Check dimmed rule */
 231         if (!dimmed) {
 232                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 233                 if (dimmed)
 234                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 235         }
 236         if (!dimmed) {
 237                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 238                 if (dimmed)
 239                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 240         }
 241         if (!dimmed) {
 242                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 243                 if (dimmed)
 244                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 245         }
 246         if (!dimmed) {
 247                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 248                 if (dimmed)
 249                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 250         }
 251
 252         return dimmed;
 253 }
 254
 255 gboolean
 256 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 257 {
 258         ModestDimmingRule *rule = NULL;
 259         gboolean dimmed = FALSE;
 260
 261         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 262         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 263         rule = MODEST_DIMMING_RULE (user_data);
 264
 265         /* Check dimmed rule */
 266         if (!dimmed) {
 267                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 268                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 269         }
 270
 271         if (!dimmed) {
 272                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 273                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 274         }
 275
 276         return dimmed;
 277
 278 }
 279
 280 gboolean
 281 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 282 {
 283         ModestDimmingRule *rule = NULL;
 284         TnyFolderType types[3];
 285         gboolean dimmed = FALSE;
 286
 287         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 288         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 289         rule = MODEST_DIMMING_RULE (user_data);
 290
 291         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 292         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 293         types[2] = TNY_FOLDER_TYPE_SENT;
 294
 295         /* Check dimmed rule */
 296         if (!dimmed) {
 297                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 298                 if (dimmed)
 299                         modest_dimming_rule_set_notification (rule, "");
 300         }
 301         if (!dimmed) {
 302                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 303                 if (dimmed)
 304                         modest_dimming_rule_set_notification (rule, "");
 305         }
 306         if (!dimmed) {
 307                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 308                 if (dimmed)
 309                         modest_dimming_rule_set_notification (rule, "");
 310         }
 311
 312         return dimmed;
 313 }
 314
 315 gboolean
 316 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 317 {
 318         ModestDimmingRule *rule = NULL;
 319         gboolean dimmed = FALSE;
 320
 321         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 322         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 323         rule = MODEST_DIMMING_RULE (user_data);
 324
 325         /* Check dimmed rule */
 326         if (!dimmed) {
 327                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 328         }
 329         if (!dimmed) {
 330                 dimmed = _marked_as_deleted (win);
 331                 if (dimmed)
 332                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 333         }
 334         if (!dimmed) {
 335                 dimmed = _selected_msg_sent_in_progress (win);
 336                 if (dimmed)
 337                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 338         }
 339
 340         return dimmed;
 341 }
 342
 343 gboolean
 344 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 345 {
 346         ModestDimmingRule *rule = NULL;
 347         gboolean dimmed = FALSE;
 348         TnyFolderType types[3];
 349
 350         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 351         rule = MODEST_DIMMING_RULE (user_data);
 352
 353         /* main window dimming rules */
 354         if (MODEST_IS_MAIN_WINDOW(win)) {
 355
 356                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 357                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 358                 types[2] = TNY_FOLDER_TYPE_ROOT;
 359
 360                 /* Check dimmed rule */
 361                 if (!dimmed) {
 362                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 363                         if (dimmed)
 364                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 365                 }
 366                 if (!dimmed) {
 367                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 368                         if (dimmed)
 369                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 370                 }
 371                 if (!dimmed) {
 372                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 373                 }
 374         /* msg view window dimming rules */
 375         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 376
 377                 /* Check dimmed rule */
 378                 if (!dimmed) {
 379                         dimmed = _transfer_mode_enabled (win);
 380                         if (dimmed)
 381                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 382                 }
 383                 if (!dimmed) {
 384                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 385                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 386                         if (dimmed)
 387                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 388                 }
 389         }
 390
 391         return dimmed;
 392 }
 393
 394
 395 gboolean
 396 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 397 {
 398         ModestDimmingRule *rule = NULL;
 399         gboolean dimmed = FALSE;
 400
 401         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 402         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 403         rule = MODEST_DIMMING_RULE (user_data);
 404
 405         /* Check dimmed rule */
 406         if (!dimmed) {
 407                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 408         }
 409         if (!dimmed) {
 410                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 411                 if (dimmed)
 412                         modest_dimming_rule_set_notification (rule, "");
 413         }
 414
 415         return dimmed;
 416 }
 417
 418 gboolean
 419 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 420 {
 421         gboolean dimmed = FALSE;
 422
 423         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 424
 425         /* Check dimmed rule */
 426         if (!dimmed)
 427                 dimmed = TRUE;
 428
 429         return dimmed;
 430 }
 431
 432 gboolean
 433 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 434 {
 435         ModestDimmingRule *rule = NULL;
 436         guint n_messages = 0;
 437         gboolean dimmed = FALSE;
 438
 439         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 440         rule = MODEST_DIMMING_RULE (user_data);
 441
 442         /* Check dimmed rule */
 443         if (MODEST_IS_MAIN_WINDOW (win)) {
 444                 if (!dimmed) {
 445                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 446                         if (dimmed)
 447                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 448                 }
 449                 if (!dimmed) {
 450                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 451                 }
 452                 if (!dimmed) {
 453                         dimmed = _already_opened_msg (win, &n_messages);
 454                         if (dimmed) {
 455                                 gchar *num = g_strdup_printf ("%d", n_messages);
 456                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 457 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 458                                 modest_dimming_rule_set_notification (rule, message);
 459                                 g_free(message);
 460                                 g_free(num);
 461                         }
 462                 }
 463                 if (!dimmed) {
 464                         dimmed = _marked_as_deleted (win);
 465                         if (dimmed)
 466                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 467                 }
 468                 if (!dimmed) {
 469                         dimmed = _selected_msg_sent_in_progress (win);
 470                         if (dimmed)
 471                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 472                 }
 473         }
 474         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 475                 if (!dimmed) {
 476                         dimmed = _transfer_mode_enabled (win);
 477                         if (dimmed)
 478                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 479                 }
 480                 if (!dimmed) {
 481                         dimmed = _marked_as_deleted (win);
 482                         if (dimmed)
 483                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 484                 }
 485                 if (!dimmed) {
 486                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 487                         if (dimmed) {
 488                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 489                         }
 490                 }
 491         }
 492
 493         return dimmed;
 494 }
 495
 496 gboolean
 497 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 498 {
 499         ModestDimmingRule *rule = NULL;
 500         GtkWidget *header_view = NULL;
 501         gboolean dimmed = FALSE;
 502
 503         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 504         rule = MODEST_DIMMING_RULE (user_data);
 505
 506         /* main window dimming rules */
 507         if (MODEST_IS_MAIN_WINDOW(win)) {
 508
 509                 /* Check dimmed rule */
 510                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 511                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 512
 513                 /* If the header view has the focus: */
 514                 if (header_view && gtk_widget_is_focus (header_view)) {
 515                         /* Check dimmed rule */
 516                         if (!dimmed)
 517                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 518                 }
 519                 else {
 520                         /* If the folder view has the focus: */
 521                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 522                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 523                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 524                                 TnyFolderStore *folder_store
 525                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 526                                 if (folder_store) {
 527                                         /* Only enable for folders, not accounts,
 528                                          * though the UI spec is not clear about that.
 529                                          * If we enable this for accounts then we must
 530                                          * add code to handle them in modest_ui_actions_on_details(). */
 531                                         if (!TNY_IS_FOLDER(folder_store)) {
 532                                                 dimmed = TRUE;
 533                                                 modest_dimming_rule_set_notification (rule, "");
 534                                         }
 535
 536                                         g_object_unref (folder_store);
 537                                 }
 538                         }
 539
 540                 }
 541
 542         /* msg view window dimming rules */
 543         } else {
 544
 545                 /* Check dimmed rule */
 546                 if (!dimmed) {
 547                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 548                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 549                         if (dimmed)
 550                                 modest_dimming_rule_set_notification (rule, "");
 551                 }
 552         }
 553
 554         return dimmed;
 555 }
 556
 557
 558 gboolean
 559 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 560 {
 561         ModestDimmingRule *rule = NULL;
 562         TnyHeaderFlags flags;
 563         gboolean dimmed = FALSE;
 564
 565         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 566         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 567         rule = MODEST_DIMMING_RULE (user_data);
 568
 569         flags = TNY_HEADER_FLAG_SEEN;
 570
 571         /* Check dimmed rule */
 572         if (!dimmed) {
 573                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 574         }
 575         if (!dimmed) {
 576                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 577                 if (dimmed)
 578                         modest_dimming_rule_set_notification (rule, "");
 579         }
 580
 581         return dimmed;
 582 }
 583
 584 gboolean
 585 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 586 {
 587         ModestDimmingRule *rule = NULL;
 588         TnyHeaderFlags flags;
 589         gboolean dimmed = FALSE;
 590
 591         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 592         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 593         rule = MODEST_DIMMING_RULE (user_data);
 594
 595         flags = TNY_HEADER_FLAG_SEEN;
 596
 597         /* Check dimmed rule */
 598         if (!dimmed)
 599                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 600         if (!dimmed) {
 601                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 602                 if (dimmed)
 603                         modest_dimming_rule_set_notification (rule, "");
 604         }
 605
 606         return dimmed;
 607 }
 608
 609 gboolean
 610 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 611 {
 612         ModestDimmingRule *rule = NULL;
 613         gboolean dimmed = FALSE;
 614
 615         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 616         rule = MODEST_DIMMING_RULE (user_data);
 617
 618         if (MODEST_IS_MAIN_WINDOW (win))
 619                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 620         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 621                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 622
 623         return dimmed;
 624 }
 625
 626
 627 gboolean
 628 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 629 {
 630         GtkWidget *folder_view = NULL;
 631         GtkWidget *header_view = NULL;
 632         ModestDimmingRule *rule = NULL;
 633         guint n_messages = 0;
 634         gboolean dimmed = FALSE;
 635
 636         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 637         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 638         rule = MODEST_DIMMING_RULE (user_data);
 639
 640         /* Get the folder view */
 641         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 642                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 643
 644         /* Get header view */
 645         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 646                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 647
 648         /* Check diming rules for folders and messages transfer  */
 649         if (!dimmed) {
 650                 dimmed = _already_opened_msg (win, &n_messages);
 651                 if (dimmed) {
 652                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 653                         modest_dimming_rule_set_notification (rule, message);
 654                         g_free(message);
 655                 }
 656         }
 657         if (!dimmed) {
 658                 if (!gtk_widget_is_focus (folder_view))
 659                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 660
 661         }
 662
 663         return dimmed;
 664 }
 665
 666 gboolean
 667 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 668 {
 669         ModestDimmingRule *rule = NULL;
 670         gboolean dimmed = FALSE;
 671
 672         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 673         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 674         rule = MODEST_DIMMING_RULE (user_data);
 675
 676         /* Check dimmed rule */
 677         if (!dimmed) {
 678                 dimmed = _transfer_mode_enabled (win);
 679                 if (dimmed)
 680                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 681         }
 682         if (!dimmed) {
 683                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 684                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 685                 if (dimmed)
 686                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 687         }
 688
 689         return dimmed;
 690 }
 691
 692 gboolean
 693 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 694 {
 695         ModestDimmingRule *rule = NULL;
 696         gboolean dimmed = FALSE;
 697
 698         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 699         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 700         rule = MODEST_DIMMING_RULE (user_data);
 701
 702         /* Check dimmed rule */
 703         if (!dimmed) {
 704                 dimmed = _transfer_mode_enabled (win);
 705                 if (dimmed)
 706                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 707         }
 708
 709         return dimmed;
 710 }
 711
 712 gboolean
 713 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 714 {
 715         ModestDimmingRule *rule = NULL;
 716         TnyFolderType types[3];
 717         gboolean dimmed = FALSE;
 718
 719         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 720         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 721         rule = MODEST_DIMMING_RULE (user_data);
 722
 723         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 724         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 725         types[2] = TNY_FOLDER_TYPE_SENT;
 726
 727         /* Check dimmed rule */
 728         if (!dimmed) {
 729                 dimmed = _clipboard_is_empty (win);
 730                 if (dimmed)
 731                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 732         }
 733         if (!dimmed) {
 734                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 735                 if (dimmed)
 736                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 737         }
 738         if (!dimmed) {
 739                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 740                 if (dimmed) {
 741                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 742                 }
 743         }
 744         if (!dimmed) {
 745                 dimmed = _selected_folder_is_same_as_source (win);
 746                 if (dimmed)
 747                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 748         }
 749
 750         return dimmed;
 751 }
 752
 753
 754 gboolean
 755 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 756 {
 757         ModestDimmingRule *rule = NULL;
 758         gboolean dimmed = FALSE;
 759
 760         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 761         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 762         rule = MODEST_DIMMING_RULE (user_data);
 763
 764         /* Check dimmed rule */
 765         if (!dimmed) {
 766                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 767                 if (dimmed)
 768                         modest_dimming_rule_set_notification (rule, "");
 769         }
 770
 771         return dimmed;
 772 }
 773
 774 gboolean
 775 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 776 {
 777         ModestDimmingRule *rule = NULL;
 778         gboolean dimmed = FALSE;
 779
 780         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 781         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 782         rule = MODEST_DIMMING_RULE (user_data);
 783
 784         /* Check dimmed rule */
 785         if (!dimmed)
 786                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 787
 788         if (!dimmed) {
 789                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 790                 if (dimmed) {
 791                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 792                 }
 793         }
 794
 795         return dimmed;
 796 }
 797
 798 gboolean
 799 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 800 {
 801         ModestDimmingRule *rule = NULL;
 802         gboolean dimmed = FALSE;
 803
 804         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 805         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 806         rule = MODEST_DIMMING_RULE (user_data);
 807
 808         /* Check dimmed rule */
 809         if (!dimmed)
 810                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 811
 812         if (!dimmed) {
 813                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 814                 if (dimmed) {
 815                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 816                 }
 817         }
 818
 819         return dimmed;
 820 }
 821
 822 gboolean
 823 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 824 {
 825         ModestDimmingRule *rule = NULL;
 826         gboolean dimmed = FALSE;
 827
 828         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 829         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 830         rule = MODEST_DIMMING_RULE (user_data);
 831
 832         /* Check in main window if there's only one message selected */
 833         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 834                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 835         }
 836
 837         /* Check in view window if there's any attachment selected */
 838         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 839                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 840                 if (dimmed)
 841                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 842         }
 843
 844         /* cannot purge in editable drafts nor pop folders */
 845         if (!dimmed) {
 846                 dimmed = _invalid_folder_for_purge (win, rule);
 847         }
 848
 849         /* Check if the selected message in main window has attachments */
 850         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 851                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 852                 if (dimmed)
 853                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 854         }
 855
 856         /* Check if all attachments are already purged */
 857         if (!dimmed) {
 858                 dimmed = _purged_attach_selected (win, TRUE, rule);
 859         }
 860
 861         /* Check if the message is already downloaded */
 862         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 863                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 864                 if (dimmed)
 865                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 866         }
 867
 868
 869         return dimmed;
 870 }
 871
 872 gboolean
 873 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 874 {
 875         ModestDimmingRule *rule = NULL;
 876         gboolean dimmed = FALSE;
 877
 878         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 879         rule = MODEST_DIMMING_RULE (user_data);
 880
 881         /* Check dimmed rule */
 882         if (!dimmed) {
 883                 dimmed = _clipboard_is_empty (win);
 884                 if (dimmed)
 885                         modest_dimming_rule_set_notification (rule, "");
 886         }
 887
 888         return dimmed;
 889 }
 890
 891 gboolean
 892 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 893 {
 894         ModestDimmingRule *rule = NULL;
 895         gboolean dimmed = FALSE;
 896
 897         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 898         rule = MODEST_DIMMING_RULE (user_data);
 899
 900         /* Check common dimming rules */
 901         if (!dimmed) {
 902                 dimmed = _invalid_clipboard_selected (win, rule);
 903         }
 904
 905         /* Check window specific dimming rules */
 906         if (MODEST_IS_MAIN_WINDOW (win)) {
 907                 if (!dimmed) {
 908                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 909                         if (dimmed)
 910                                 modest_dimming_rule_set_notification (rule, "");
 911                 }
 912                 if (!dimmed) {
 913                         dimmed = _selected_msg_sent_in_progress (win);
 914                         if (dimmed)
 915                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 916                 }
 917         }
 918
 919         return dimmed;
 920 }
 921
 922 gboolean
 923 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 924 {
 925         ModestDimmingRule *rule = NULL;
 926         gboolean dimmed = FALSE;
 927
 928         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 929         rule = MODEST_DIMMING_RULE (user_data);
 930
 931         /* Check common dimming rules */
 932         if (!dimmed) {
 933                 dimmed = _invalid_clipboard_selected (win, rule);
 934         }
 935
 936         /* Check window specific dimming rules */
 937         if (MODEST_IS_MAIN_WINDOW (win)) {
 938                 if (!dimmed) {
 939                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 940                         if (dimmed)
 941                                 modest_dimming_rule_set_notification (rule, "");
 942                 }
 943                 if (!dimmed) {
 944                         dimmed = _selected_msg_sent_in_progress (win);
 945                         if (dimmed)
 946                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 947                 }
 948         }
 949
 950         return dimmed;
 951 }
 952
 953 gboolean
 954 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 955 {
 956         ModestDimmingRule *rule = NULL;
 957         gboolean dimmed = FALSE;
 958
 959         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 960         rule = MODEST_DIMMING_RULE (user_data);
 961
 962         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 963
 964         /* Check dimmed rule */
 965         if (!dimmed) {
 966                 dimmed = _transfer_mode_enabled (win);
 967                 if (dimmed)
 968                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 969         }
 970         if (!dimmed) {
 971                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 972                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 973                 modest_dimming_rule_set_notification (rule, NULL);
 974         }
 975
 976         return dimmed;
 977 }
 978
 979 gboolean
 980 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 981 {
 982         ModestDimmingRule *rule = NULL;
 983         gboolean dimmed = FALSE;
 984
 985         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 986         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 987         rule = MODEST_DIMMING_RULE (user_data);
 988
 989         /* Check dimmed rule */
 990         if (!dimmed) {
 991                 dimmed = _transfer_mode_enabled (win);
 992                 if (dimmed)
 993                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 994         }
 995         if (!dimmed) {
 996                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 997                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
 998                 modest_dimming_rule_set_notification (rule, NULL);
 999         }
1000
1001         return dimmed;
1002 }
1003
1004
1005 gboolean
1006 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1007 {
1008         const gboolean dimmed =
1009                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1010                         TRUE);
1011
1012         return dimmed;
1013 }
1014
1015 gboolean
1016 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1017 {
1018         ModestDimmingRule *rule = NULL;
1019         TnyFolderType types[1];
1020         guint n_messages = 0;
1021         gboolean dimmed = FALSE;
1022
1023         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1024         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1025         rule = MODEST_DIMMING_RULE (user_data);
1026
1027         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1028
1029         /* Check dimmed rules */
1030         if (!dimmed) {
1031                 dimmed = _already_opened_msg (win, &n_messages);
1032                 if (dimmed)
1033                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1034         }
1035         if (!dimmed) {
1036                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1037                 if (dimmed)
1038                         modest_dimming_rule_set_notification (rule, "");
1039         }
1040         if (!dimmed) {
1041                 dimmed = !_sending_in_progress (win);
1042                 if (dimmed)
1043                         modest_dimming_rule_set_notification (rule, "");
1044         }
1045
1046         return dimmed;
1047 }
1048
1049 gboolean
1050 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1051 {
1052         ModestDimmingRule *rule = NULL;
1053         gboolean dimmed = FALSE;
1054
1055         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1056         rule = MODEST_DIMMING_RULE (user_data);
1057
1058         /* Check dimmed rule */
1059         if (!dimmed) {
1060                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1061                                                           TRUE);
1062                 if (dimmed)
1063                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1064         }
1065
1066         return dimmed;
1067 }
1068
1069 gboolean
1070 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1071 {
1072         ModestDimmingRule *rule = NULL;
1073         gboolean dimmed = FALSE;
1074
1075         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1076         rule = MODEST_DIMMING_RULE (user_data);
1077
1078         /* Check dimmed rule */
1079         if (!dimmed) {
1080                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1081                 gchar *selection = NULL;
1082                 selection = gtk_clipboard_wait_for_text (clipboard);
1083
1084                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1085         }
1086
1087         return dimmed;
1088 }
1089
1090 /* *********************** static utility functions ******************** */
1091
1092 static gboolean
1093 _marked_as_deleted (ModestWindow *win)
1094 {
1095         gboolean result = FALSE;
1096         TnyHeaderFlags flags;
1097
1098         flags = TNY_HEADER_FLAG_DELETED;
1099
1100         /* Check dimmed rule */
1101         result = _selected_msg_marked_as (win, flags, FALSE);
1102
1103         return result;
1104 }
1105
1106 static gboolean
1107 _selected_folder_not_writeable (ModestMainWindow *win)
1108 {
1109         GtkWidget *folder_view = NULL;
1110         TnyFolderStore *parent_folder = NULL;
1111         ModestTnyFolderRules rules;
1112         gboolean result = FALSE;
1113
1114         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1115
1116         /* Get folder view */
1117         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1118                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1119         /* If no folder view, always dimmed */
1120         if (!folder_view)
1121                 return TRUE;
1122
1123         /* Get selected folder as parent of new folder to create */
1124         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1125         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1126                 if (parent_folder)
1127                         g_object_unref (parent_folder);
1128                 return TRUE;
1129         }
1130
1131         /* Check dimmed rule */
1132         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1133         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1134
1135         /* free */
1136         g_object_unref (parent_folder);
1137
1138         return result;
1139 }
1140
1141 static gboolean
1142 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1143 {
1144         TnyFolderType types[2];
1145         gboolean result = FALSE;
1146
1147         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1148
1149         types[0] = TNY_FOLDER_TYPE_ROOT;
1150         types[1] = TNY_FOLDER_TYPE_INBOX;
1151
1152         /* Check folder type */
1153         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1154
1155         /* Check pop and MMC accounts */
1156         if (!result) {
1157                 result = _selected_folder_is_MMC_or_POP_root (win);
1158         }
1159
1160         return result;
1161 }
1162
1163
1164 static gboolean
1165 _selected_folder_is_root (ModestMainWindow *win)
1166 {
1167         TnyFolderType types[1];
1168         gboolean result = FALSE;
1169
1170         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1171
1172         /* All accounts are root items: */
1173         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1174                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1175         if (folder_view) {
1176                 gboolean is_account = FALSE;
1177                 TnyFolderStore *folder_store =
1178                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1179                 if (folder_store) {
1180                         is_account = TNY_IS_ACCOUNT (folder_store);
1181                         g_object_unref (folder_store);
1182                         folder_store = NULL;
1183                 }
1184
1185                 if (is_account)
1186                         return TRUE;
1187         }
1188
1189         /* Try something more precise: */
1190         types[0] = TNY_FOLDER_TYPE_ROOT;
1191
1192         /* Check folder type */
1193         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1194
1195         /* Check pop and MMC accounts */
1196         if (!result) {
1197                 result = _selected_folder_is_MMC_or_POP_root (win);
1198         }
1199
1200         return result;
1201 }
1202
1203 static gboolean
1204 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1205 {
1206         GtkWidget *folder_view = NULL;
1207         TnyFolderStore *parent_folder = NULL;
1208         gboolean result = FALSE;
1209
1210         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1211                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1212         /* Get selected folder as parent of new folder to create */
1213         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1214         if (!parent_folder)
1215                 return TRUE;
1216
1217         if (TNY_IS_ACCOUNT (parent_folder)) {
1218                 /* If it's the local account then do not dim */
1219                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1220                         result = FALSE;
1221                 } else {
1222                                 /* If it's the MMC root folder then dim it */
1223                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1224                                         result = TRUE;
1225                         } else {
1226                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1227                                 /* If it's POP then dim */
1228                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1229                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1230                         }
1231                 }
1232         }
1233         g_object_unref (parent_folder);
1234
1235         return result;
1236 }
1237
1238
1239 static gboolean
1240 _selected_folder_is_empty (ModestMainWindow *win)
1241 {
1242         GtkWidget *folder_view = NULL;
1243         TnyFolderStore *folder = NULL;
1244         gboolean result = FALSE;
1245
1246         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1247
1248         /* Get folder view */
1249         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1250                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1251         /* If no folder view, always dimmed */
1252         if (!folder_view)
1253                 return TRUE;
1254
1255         /* Get selected folder as parent of new folder to create */
1256         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1257         if (!(folder && TNY_IS_FOLDER(folder))) {
1258                 if (folder)
1259                         g_object_unref (folder);
1260                 return TRUE;
1261         }
1262
1263         /* Check folder type */
1264         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1265
1266         /* free */
1267         g_object_unref (folder);
1268
1269         return result;
1270 }
1271
1272 static gboolean
1273 _selected_folder_is_same_as_source (ModestWindow *win)
1274 {
1275         ModestEmailClipboard *clipboard = NULL;
1276         GtkWidget *folder_view = NULL;
1277         TnyFolderStore *folder = NULL;
1278         gboolean result = FALSE;
1279
1280         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1281
1282         /* Get folder view */
1283         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1284                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1285         if (!folder_view)
1286                 return FALSE;
1287
1288         /* Get selected folder as destination folder */
1289         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1290         if (!(folder && TNY_IS_FOLDER(folder))) {
1291                 result = FALSE;
1292                 goto frees;
1293         }
1294
1295         /* Check clipboard is cleared */
1296         clipboard = modest_runtime_get_email_clipboard ();
1297         if (modest_email_clipboard_cleared (clipboard)) {
1298                 result = FALSE;
1299                 goto frees;
1300         }
1301
1302         /* Check source folder */
1303         result = modest_email_clipboard_check_source_folder (clipboard,
1304                                                              (const TnyFolder *) folder);
1305
1306         /* Free */
1307  frees:
1308         g_object_unref (folder);
1309
1310         return result;
1311 }
1312
1313 static gboolean
1314 _selected_folder_is_any_of_type (ModestWindow *win,
1315                                  TnyFolderType types[],
1316                                  guint ntypes)
1317 {
1318         GtkWidget *folder_view = NULL;
1319         TnyFolderStore *folder = NULL;
1320         TnyFolderType folder_type;
1321         guint i=0;
1322         gboolean result = FALSE;
1323
1324         /*Get current folder */
1325         if (MODEST_IS_MAIN_WINDOW(win)) {
1326
1327                 /* Get folder view */
1328                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1329                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1330                 /* If no folder view, always dimmed */
1331                 if (!folder_view)
1332                         return FALSE;
1333
1334                 /* Get selected folder as parent of new folder to create */
1335                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1336
1337                 if (!(folder && TNY_IS_FOLDER(folder))) {
1338                         if (folder)
1339                                 g_object_unref (folder);
1340                         return FALSE;
1341                 }
1342
1343                 /* Check folder type */
1344                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1345         }
1346         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1347                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1348                 for (i=0; i < ntypes; i++) {
1349                         result = result || folder_type == types[i];
1350                 }
1351         }
1352
1353
1354         /* free */
1355         g_object_unref (folder);
1356
1357         return result;
1358 }
1359
1360 static gboolean
1361 _folder_is_any_of_type (TnyFolder *folder,
1362                         TnyFolderType types[],
1363                         guint ntypes)
1364 {
1365         TnyFolderType folder_type;
1366         gboolean result = FALSE;
1367         guint i;
1368
1369         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1370
1371         /* Get folder type */
1372         folder_type = modest_tny_folder_guess_folder_type (folder);
1373
1374         /* Check foler type */
1375         for (i=0; i < ntypes; i++) {
1376                 result = result || folder_type == types[i];
1377         }
1378
1379         return result;
1380 }
1381
1382 static gboolean
1383 _selected_folder_is_snd_level (ModestMainWindow *win)
1384 {
1385         GtkWidget *folder_view = NULL;
1386         GtkTreeSelection *sel = NULL;
1387         GtkTreeModel *model = NULL;
1388         GtkTreePath *path = NULL;
1389         GtkTreeIter iter;
1390         TnyFolderStore *folder = NULL;
1391         gboolean result = FALSE;
1392
1393         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1394
1395         /*Get curent folder */
1396         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1397                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1398         /* If no folder view, always dimmed */
1399         if (!folder_view)
1400                 goto frees;
1401
1402         /* Get selected folder as parent of new folder to create */
1403         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1404         if (!(folder && TNY_IS_FOLDER(folder))) {
1405                 goto frees;
1406         }
1407
1408         /* Check folder level */
1409         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1410         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1411                 goto frees;
1412         path = gtk_tree_model_get_path (model, &iter);
1413         result = gtk_tree_path_get_depth (path) > 2;
1414
1415  frees:
1416         if (folder != NULL)
1417                 g_object_unref (folder);
1418         if (path != NULL)
1419                 gtk_tree_path_free (path);
1420
1421         return result;
1422
1423 }
1424
1425 static gboolean
1426 _clipboard_is_empty (ModestWindow *win)
1427 {
1428         gboolean result = FALSE;
1429
1430         if (MODEST_IS_MAIN_WINDOW (win)) {
1431                 ModestEmailClipboard *clipboard = NULL;
1432                 clipboard = modest_runtime_get_email_clipboard ();
1433                 if (modest_email_clipboard_cleared (clipboard))
1434                  result = TRUE;
1435         }
1436
1437         return result;
1438 }
1439
1440 static gboolean
1441 _invalid_clipboard_selected (ModestWindow *win,
1442                        ModestDimmingRule *rule)
1443 {
1444         gboolean result = FALSE;
1445
1446         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1447                 GtkClipboard *clipboard = NULL;
1448                 gchar *selection = NULL;
1449                 GtkWidget *focused = NULL;
1450
1451                 /* Get clipboard selection*/
1452                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1453                 selection = gtk_clipboard_wait_for_text (clipboard);
1454
1455                 /* Get focuesed widget */
1456                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1457
1458                 /* Check dimming */
1459                 result = ((selection == NULL) ||
1460                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1461
1462                 if (result)
1463                         modest_dimming_rule_set_notification (rule, "");
1464         }
1465         else if (MODEST_IS_MAIN_WINDOW (win)) {
1466                 GtkWidget *header_view = NULL;
1467
1468                 /* Get header view to check selected messages */
1469                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1470                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1471
1472                 /* Check dimming */
1473                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1474                 if (result)
1475                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1476         }
1477
1478         return result;
1479 }
1480
1481
1482 static gboolean
1483 _invalid_attach_selected (ModestWindow *win,
1484                           gboolean unique,
1485                           gboolean for_view,
1486                           ModestDimmingRule *rule)
1487 {
1488         GList *attachments, *node;
1489         gint n_selected;
1490         TnyHeaderFlags flags;
1491         gboolean nested_attachments = FALSE;
1492         gboolean selected_messages = FALSE;
1493         gboolean result = FALSE;
1494
1495         if (MODEST_IS_MAIN_WINDOW (win)) {
1496                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1497                 if (!result)
1498                         result = _selected_msg_marked_as (win, flags, TRUE);
1499         }
1500         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1501
1502                 /* Get selected atachments */
1503                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1504                 n_selected = g_list_length (attachments);
1505
1506                 /* Check unique */
1507                 if (!result) {
1508                         if (unique)
1509                                 result = n_selected != 1;
1510                         else
1511
1512                                 result = n_selected < 1;
1513                 }
1514
1515                 /* Check attached type (view operation not required) */
1516                 if (!result && !for_view)  {
1517                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1518                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1519                                 TnyList *nested_list = tny_simple_list_new ();
1520                                 if (TNY_IS_MSG (mime_part)) {
1521                                         selected_messages = TRUE;
1522                                         result = TRUE;
1523                                 }
1524                                 tny_mime_part_get_parts (mime_part, nested_list);
1525                                 if (tny_list_get_length (nested_list) > 0) {
1526                                 nested_attachments = TRUE;
1527                                 result = TRUE;
1528                                 }
1529                                 g_object_unref (nested_list);
1530                         }
1531                 }
1532
1533                 /* Set notifications */
1534                 if (result && rule != NULL) {
1535                         if (selected_messages) {
1536                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1537                         } else if (nested_attachments) {
1538                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1539                         } else if (n_selected == 0) {
1540                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1541                         } else if (unique) {
1542                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1543                         }
1544                 }
1545
1546                 /* Free */
1547                 g_list_free (attachments);
1548         }
1549
1550         return result;
1551 }
1552
1553 static gboolean
1554 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1555 {
1556         GList *attachments = NULL, *node;
1557         gint purged = 0;
1558         gint n_attachments = 0;
1559         gboolean result = FALSE;
1560
1561         /* This should check if _all_ the attachments are already purged. If only some
1562          * of them are purged, then it does not cause dim as there's a confirmation dialog
1563          * for removing only local attachments */
1564
1565         /* Get selected atachments */
1566         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1567                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1568         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1569                 /* If we're in main window, we won't know if there are already purged attachments */
1570                 return FALSE;
1571         }
1572
1573         if (attachments == NULL)
1574                 return FALSE;
1575
1576         for (node = attachments; node != NULL; node = g_list_next (node)) {
1577                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1578                 if (tny_mime_part_is_purged (mime_part)) {
1579                         purged++;
1580                 }
1581                 n_attachments++;
1582         }
1583
1584         /* Free */
1585         g_list_free (attachments);
1586
1587         if (all)
1588                 result = (purged == n_attachments);
1589         else
1590                 result = (purged > 0);
1591
1592         if (result && (rule != NULL))
1593                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1594
1595         return result;
1596 }
1597
1598 static gboolean
1599 _invalid_msg_selected (ModestMainWindow *win,
1600                        gboolean unique,
1601                        ModestDimmingRule *rule)
1602 {
1603         GtkWidget *header_view = NULL;
1604         GtkWidget *folder_view = NULL;
1605         gboolean selected_headers = FALSE;
1606         gboolean result = FALSE;
1607
1608         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1609         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1610
1611         /* Get header view to check selected messages */
1612         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1613                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1614
1615         /* Get folder view to check focus */
1616         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1617                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1618
1619         /* Get selected headers */
1620         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1621
1622         /* Check dimmed rule (TODO: check focus on widgets */
1623         if (!result) {
1624                 result = ((!selected_headers) ||
1625                           (gtk_widget_is_focus (folder_view)));
1626                 if (result)
1627                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1628         }
1629         if (!result && unique) {
1630                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1631                 if (result)
1632                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1633         }
1634
1635         return result;
1636 }
1637
1638 static gboolean
1639 _already_opened_msg (ModestWindow *win,
1640                      guint *n_messages)
1641 {
1642         //ModestWindow *window = NULL;
1643         ModestWindowMgr *mgr = NULL;
1644         GtkWidget *header_view = NULL;
1645         TnyList *selected_headers = NULL;
1646         TnyIterator *iter = NULL;
1647         TnyHeader *header = NULL;
1648         gboolean found;
1649
1650         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1651
1652         /* Get header view to check selected messages */
1653         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1654                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1655
1656
1657         /* Check no selection */
1658         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1659             return FALSE;
1660
1661         /* Get selected headers */
1662         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1663         if (selected_headers == NULL)
1664                 return FALSE;
1665
1666         *n_messages = tny_list_get_length (selected_headers);
1667
1668         /* Check dimmed rule (TODO: check focus on widgets */
1669         mgr = modest_runtime_get_window_mgr ();
1670         iter = tny_list_create_iterator (selected_headers);
1671         found = FALSE;
1672         while (!tny_iterator_is_done (iter)) {
1673                 header = TNY_HEADER (tny_iterator_get_current (iter));
1674                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1675
1676                 g_object_unref (header);
1677                 tny_iterator_next (iter);
1678
1679                 if (found)
1680                         break;
1681         }
1682
1683         /* free */
1684         if (selected_headers != NULL)
1685                 g_object_unref (selected_headers);
1686         if (iter != NULL)
1687                 g_object_unref (iter);
1688
1689         return found;
1690 }
1691
1692 static gboolean
1693 _selected_msg_marked_as (ModestWindow *win,
1694                          TnyHeaderFlags mask,
1695                          gboolean opposite)
1696 {
1697         ModestWindow *main_window = NULL;
1698         GtkWidget *header_view = NULL;
1699         TnyList *selected_headers = NULL;
1700         TnyIterator *iter = NULL;
1701         TnyHeader *header = NULL;
1702         TnyHeaderFlags flags;
1703         gboolean result = FALSE;
1704
1705         if (MODEST_IS_MAIN_WINDOW (win))
1706                 main_window = win;
1707         else {
1708                 main_window =
1709                         modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
1710         }
1711
1712
1713         /* Get header view to check selected messages */
1714         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_window),
1715                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1716
1717         /* Check no selection */
1718         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1719             return TRUE;
1720
1721         /* Get selected headers */
1722         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1723         if (selected_headers == NULL)
1724                 return TRUE;
1725
1726         /* Call the function for each header */
1727         iter = tny_list_create_iterator (selected_headers);
1728         while (!tny_iterator_is_done (iter) && !result) {
1729                 header = TNY_HEADER (tny_iterator_get_current (iter));
1730
1731                 flags = tny_header_get_flags (header);
1732                 if (opposite)
1733                         result = (flags & mask) == 0;
1734                 else
1735                         result = (flags & mask) != 0;
1736
1737                 g_object_unref (header);
1738                 tny_iterator_next (iter);
1739         }
1740
1741         /* free */
1742         if (selected_headers != NULL)
1743                 g_object_unref (selected_headers);
1744         if (iter != NULL)
1745                 g_object_unref (iter);
1746
1747         return result;
1748 }
1749
1750 static gboolean
1751 _msg_download_in_progress (ModestMsgViewWindow *win)
1752 {
1753         gboolean result = FALSE;
1754
1755         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1756
1757         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1758
1759         return result;
1760 }
1761
1762 static gboolean
1763 _msg_download_completed (ModestMainWindow *win)
1764 {
1765         GtkWidget *header_view = NULL;
1766         TnyList *selected_headers = NULL;
1767         TnyIterator *iter = NULL;
1768         TnyHeader *header = NULL;
1769         TnyHeaderFlags flags;
1770         gboolean result = FALSE;
1771
1772         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1773
1774
1775         /* Get header view to check selected messages */
1776         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1777                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1778
1779         /* Check no selection */
1780         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1781             return TRUE;
1782
1783         /* Get selected headers */
1784         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1785         if (selected_headers == NULL)
1786                 return TRUE;
1787
1788         /* Check dimmed rule  */
1789         result = TRUE;
1790         iter = tny_list_create_iterator (selected_headers);
1791         while (!tny_iterator_is_done (iter) && result) {
1792                 header = TNY_HEADER (tny_iterator_get_current (iter));
1793
1794                 flags = tny_header_get_flags (header);
1795                 /* TODO: is this the right flag?, it seems that some
1796                    headers that have been previously downloaded do not
1797                    come with it */
1798                 result = (flags & TNY_HEADER_FLAG_CACHED);
1799
1800                 g_object_unref (header);
1801                 tny_iterator_next (iter);
1802         }
1803
1804         g_object_unref (iter);
1805
1806         return result;
1807 }
1808
1809 static gboolean
1810 _selected_msg_sent_in_progress (ModestWindow *win)
1811 {
1812         ModestTnySendQueue *send_queue = NULL;
1813         GtkWidget *header_view = NULL;
1814         ModestTnyAccountStore *acc_store = NULL;
1815         TnyAccount *account = NULL;
1816         TnyList *header_list = NULL;
1817         TnyIterator *iter = NULL;
1818         TnyHeader *header = NULL;
1819         const gchar *account_name = NULL;
1820         gboolean result = FALSE;
1821         gchar *id = NULL;
1822
1823         /* Get transport account */
1824         acc_store = modest_runtime_get_account_store();
1825         account_name = modest_window_get_active_account (win);
1826
1827         /* If no account defined, this action must be always dimmed  */
1828         if (account_name == NULL) return FALSE;
1829         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1830         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1831
1832         /* Get send queue for current ransport account */
1833         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1834         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1835
1836         if (MODEST_IS_MAIN_WINDOW(win)) {
1837
1838                 /* Get header view to check selected messages */
1839                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1840                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1841
1842                 /* Check no selection */
1843                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1844                     return FALSE;
1845
1846                 /* Get selected headers */
1847                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1848
1849                 /* Get message header */
1850                 if (!header_list) return FALSE;
1851                 iter = tny_list_create_iterator (header_list);
1852                 header = TNY_HEADER (tny_iterator_get_current (iter));
1853
1854                 /* Get message id */
1855                 id = g_strdup(tny_header_get_message_id (header));
1856
1857         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1858
1859                 /* Get message header */
1860                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1861
1862                 /* Get message id */
1863                 id = g_strdup(tny_header_get_message_id (header));
1864         }
1865
1866         /* Check if msg id is being processed inside send queue */
1867         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1868
1869         /* Free */
1870         g_free(id);
1871         g_object_unref (header);
1872         g_object_unref(header_list);
1873         g_object_unref(iter);
1874
1875         return result;
1876 }
1877
1878
1879 static gboolean
1880 _sending_in_progress (ModestWindow *win)
1881 {
1882         gboolean result = FALSE;
1883
1884         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1885
1886         /* Check if send operation is in progress */
1887         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1888
1889         return result;
1890 }
1891
1892 static gboolean
1893 _invalid_folder_for_purge (ModestWindow *win,
1894                            ModestDimmingRule *rule)
1895 {
1896         TnyMsg *msg = NULL;
1897         TnyFolder *folder = NULL;
1898         TnyAccount *account = NULL;
1899         gboolean result = FALSE;
1900
1901         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1902
1903                 /* Get folder and account of message */
1904                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1905                 g_return_val_if_fail(msg != NULL, TRUE);
1906                 folder = tny_msg_get_folder (msg);
1907                 if (folder == NULL) {
1908                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1909                         goto frees;
1910                 }
1911                 g_object_unref (msg);
1912         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1913                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1914                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1915                 if (!folder_view)
1916                         return FALSE;
1917                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1918                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1919                         goto frees;
1920         } else {
1921                 g_return_val_if_reached (FALSE);
1922         }
1923         account = modest_tny_folder_get_account (folder);
1924         if (account == NULL) goto frees;
1925
1926         /* Check account */
1927         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1928                 TnyFolderType types[2];
1929                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1930                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1931
1932                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1933                         result = TRUE;
1934                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1935                 } else {
1936                         /* We're currently disabling purge in any local store */
1937                         result = TRUE;
1938                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1939                 }
1940         } else {
1941                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1942                 /* If it's POP then dim */
1943                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1944                     MODEST_PROTOCOL_STORE_POP) {
1945                         GList *attachments = NULL;
1946                         gint n_selected = 0;
1947                         result = TRUE;
1948
1949                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
1950                          * murrayc */
1951                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1952                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1953                                 n_selected = g_list_length (attachments);
1954                                 g_list_free (attachments);
1955                         }
1956
1957                         modest_dimming_rule_set_notification (rule,
1958                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1959                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1960                                                                         n_selected));
1961                 }
1962         }
1963
1964 frees:
1965         if (folder != NULL)
1966                 g_object_unref (folder);
1967         if (account != NULL)
1968                 g_object_unref (account);
1969
1970         return result;
1971 }
1972
1973 static gboolean
1974 _transfer_mode_enabled (ModestWindow *win)
1975 {
1976         gboolean result = FALSE;
1977
1978         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1979
1980         /* Check dimming */
1981         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1982
1983         return result;
1984 }