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