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