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-tny-account.h"
  39 #include "modest-text-utils.h"
  40 #include <widgets/modest-attachments-view.h>
  41 #include <modest-runtime.h>
  42 #include <tny-simple-list.h>
  43
  44
  45 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  46 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  47 static gboolean _invalid_attach_selected (ModestWindow *win,
  48                                           gboolean unique, gboolean for_view, gboolean for_remove,
  49                                           ModestDimmingRule *rule);
  50 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  51 static gboolean _clipboard_is_empty (ModestWindow *win);
  52 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  53 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  54 static gboolean _selected_msg_marked_as (ModestMainWindow *win, TnyHeaderFlags mask, gboolean opposite, gboolean all);
  55 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  58 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  60 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  61 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  62 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  63 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  64 static gboolean _msg_download_completed (ModestMainWindow *win);
  65 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  66 static gboolean _sending_in_progress (ModestWindow *win);
  67 static gboolean _message_is_marked_as_deleted (ModestMsgViewWindow *win);
  68 static gboolean _selected_message_is_marked_as_deleted (ModestMainWindow *win);
  69 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  70 static gboolean _transfer_mode_enabled (ModestWindow *win);
  71
  72
  73 gboolean
  74 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  75 {
  76         ModestDimmingRule *rule = NULL;
  77         gboolean dimmed = FALSE;
  78
  79         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  80         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  81         rule = MODEST_DIMMING_RULE (user_data);
  82
  83         /* Check dimmed rule */
  84         if (!dimmed) {
  85                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
  86                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  87                 if (dimmed)
  88                         modest_dimming_rule_set_notification (rule, "");
  89         }
  90
  91         return dimmed;
  92 }
  93
  94 gboolean
  95 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  96 {
  97         ModestDimmingRule *rule = NULL;
  98         gboolean dimmed = FALSE;
  99
 100         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 101         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 102         rule = MODEST_DIMMING_RULE (user_data);
 103
 104         /* Check common new folder menu item dimming rules */
 105         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 106
 107         /* Check CSM specific dimming rules */
 108         if (!dimmed) {
 109                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 110                 if (dimmed)
 111                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 112         }
 113
 114         return dimmed;
 115 }
 116
 117 gboolean
 118 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 119 {
 120         ModestDimmingRule *rule = NULL;
 121         GtkWidget *folder_view = NULL;
 122         TnyFolderStore *parent_folder = NULL;
 123         gboolean dimmed = FALSE;
 124
 125         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 126         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 127         rule = MODEST_DIMMING_RULE (user_data);
 128
 129         /* Get selected folder as parent of new folder to create */
 130         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 131                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 132         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 133         if (!parent_folder)
 134                 return TRUE;
 135
 136         if (TNY_IS_ACCOUNT (parent_folder)) {
 137                 /* If it's the local account then do not dim */
 138                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 139                         dimmed = FALSE;
 140                 } else {
 141                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 142                         /* If it's POP then dim */
 143                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 144                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 145                         if (dimmed)
 146                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 147                 }
 148         } else {
 149                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 150
 151                 TnyFolderType types[3];
 152
 153                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 154                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 155                 types[2] = TNY_FOLDER_TYPE_SENT;
 156
 157                 /* Apply folder rules */
 158                 if (!dimmed) {
 159                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 160                         if (dimmed)
 161                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 162                 }
 163                 if (!dimmed) {
 164                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 165                         if (dimmed)
 166                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 167                 }
 168         }
 169         g_object_unref (parent_folder);
 170
 171         return dimmed;
 172 }
 173
 174 gboolean
 175 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 176 {
 177         ModestDimmingRule *rule = NULL;
 178         GtkWidget *folder_view = NULL;
 179         GtkWidget *header_view = NULL;
 180         gboolean dimmed = FALSE;
 181
 182         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 183         rule = MODEST_DIMMING_RULE (user_data);
 184
 185         if (MODEST_IS_MAIN_WINDOW (win)) {
 186                 /* Get the folder view */
 187                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 188                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 189
 190                 /* Get header view */
 191                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 192                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 193
 194                 if (header_view && gtk_widget_is_focus (header_view))
 195                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 196
 197                 if (folder_view && gtk_widget_is_focus (folder_view))
 198                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 199
 200                 if (header_view && folder_view &&
 201                     !gtk_widget_is_focus (header_view) &&
 202                     !gtk_widget_is_focus (folder_view)) {
 203                         dimmed = TRUE;
 204                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 205                 }
 206         } else {
 207                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 208         }
 209
 210         return dimmed;
 211 }
 212
 213
 214
 215 gboolean
 216 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 217 {
 218         ModestDimmingRule *rule = NULL;
 219         TnyFolderType types[6];
 220         gboolean dimmed = FALSE;
 221
 222         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 223         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 224         rule = MODEST_DIMMING_RULE (user_data);
 225
 226         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 227         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 228         types[2] = TNY_FOLDER_TYPE_SENT;
 229         types[3] = TNY_FOLDER_TYPE_INBOX;
 230         types[4] = TNY_FOLDER_TYPE_ROOT;
 231         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 232
 233
 234         /* Check dimmed rule */
 235         if (!dimmed) {
 236                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 237                 if (dimmed)
 238                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 239         }
 240         if (!dimmed) {
 241                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 242                 if (dimmed)
 243                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 244         }
 245         if (!dimmed) {
 246                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 247                 if (dimmed)
 248                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 249         }
 250         if (!dimmed) {
 251                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 252                 if (dimmed)
 253                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 254         }
 255
 256         return dimmed;
 257 }
 258
 259 gboolean
 260 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 261 {
 262         ModestDimmingRule *rule = NULL;
 263         gboolean dimmed = FALSE;
 264
 265         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 266         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 267         rule = MODEST_DIMMING_RULE (user_data);
 268
 269         /* Check dimmed rule */
 270         if (!dimmed) {
 271                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 272                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 273         }
 274
 275         if (!dimmed) {
 276                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 277                 modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
 278         }
 279
 280         return dimmed;
 281
 282 }
 283
 284 gboolean
 285 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 286 {
 287         ModestDimmingRule *rule = NULL;
 288         TnyFolderType types[4];
 289         gboolean dimmed = FALSE;
 290
 291         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 292         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 293         rule = MODEST_DIMMING_RULE (user_data);
 294
 295         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 296         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 297         types[2] = TNY_FOLDER_TYPE_SENT;
 298         types[3] = TNY_FOLDER_TYPE_ARCHIVE;
 299
 300         /* Check dimmed rule */
 301         if (!dimmed) {
 302                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 303                 if (dimmed)
 304                         modest_dimming_rule_set_notification (rule, "");
 305         }
 306         if (!dimmed) {
 307                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 308                 if (dimmed)
 309                         modest_dimming_rule_set_notification (rule, "");
 310         }
 311         if (!dimmed) {
 312                 dimmed = _selected_folder_is_any_of_type (win, types, 4);
 313                 if (dimmed)
 314                         modest_dimming_rule_set_notification (rule, "");
 315         }
 316
 317         return dimmed;
 318 }
 319
 320 gboolean
 321 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 322 {
 323         ModestDimmingRule *rule = NULL;
 324         gboolean dimmed = FALSE;
 325
 326         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 327         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 328         rule = MODEST_DIMMING_RULE (user_data);
 329
 330         /* Check dimmed rule */
 331         if (!dimmed) {
 332                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 333         }
 334         if (!dimmed) {
 335                 dimmed = _selected_message_is_marked_as_deleted (MODEST_MAIN_WINDOW (win));
 336                 if (dimmed)
 337                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 338         }
 339         if (!dimmed) {
 340                 dimmed = _selected_msg_sent_in_progress (win);
 341                 if (dimmed)
 342                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 343         }
 344
 345         return dimmed;
 346 }
 347
 348 gboolean
 349 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 350 {
 351         ModestDimmingRule *rule = NULL;
 352         gboolean dimmed = FALSE;
 353         TnyFolderType types[3];
 354
 355         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 356         rule = MODEST_DIMMING_RULE (user_data);
 357
 358         /* main window dimming rules */
 359         if (MODEST_IS_MAIN_WINDOW(win)) {
 360
 361                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 362                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 363                 types[2] = TNY_FOLDER_TYPE_ROOT;
 364
 365                 /* Check dimmed rule */
 366                 if (!dimmed) {
 367                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 368                         if (dimmed)
 369                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 370                 }
 371                 if (!dimmed) {
 372                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 373                         if (dimmed)
 374                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 375                 }
 376                 if (!dimmed) {
 377                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 378                 }
 379         /* msg view window dimming rules */
 380         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 381
 382                 /* Check dimmed rule */
 383                 if (!dimmed) {
 384                         dimmed = _transfer_mode_enabled (win);
 385                         if (dimmed)
 386                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 387                 }
 388                 if (!dimmed) {
 389                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 390                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 391                         if (dimmed)
 392                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 393                 }
 394         }
 395
 396         return dimmed;
 397 }
 398
 399
 400 gboolean
 401 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 402 {
 403         ModestDimmingRule *rule = NULL;
 404         gboolean dimmed = FALSE;
 405
 406         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 407         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 408         rule = MODEST_DIMMING_RULE (user_data);
 409
 410         /* Check dimmed rule */
 411         if (!dimmed) {
 412                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 413         }
 414         if (!dimmed) {
 415                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 416                 if (dimmed)
 417                         modest_dimming_rule_set_notification (rule, "");
 418         }
 419
 420         return dimmed;
 421 }
 422
 423 gboolean
 424 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 425 {
 426         gboolean dimmed = FALSE;
 427
 428         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 429
 430         /* Check dimmed rule */
 431         if (!dimmed)
 432                 dimmed = TRUE;
 433
 434         return dimmed;
 435 }
 436
 437 gboolean
 438 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 439 {
 440         ModestDimmingRule *rule = NULL;
 441         guint n_messages = 0;
 442         gboolean dimmed = FALSE;
 443
 444         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 445         rule = MODEST_DIMMING_RULE (user_data);
 446
 447         /* Check dimmed rule */
 448         if (MODEST_IS_MAIN_WINDOW (win)) {
 449                 if (!dimmed) {
 450                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 451                         if (dimmed)
 452                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 453                 }
 454                 if (!dimmed) {
 455                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 456                 }
 457                 if (!dimmed) {
 458                         dimmed = _already_opened_msg (win, &n_messages);
 459                         if (dimmed) {
 460                                 gchar *num = g_strdup_printf ("%d", n_messages);
 461                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 462 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 463                                 modest_dimming_rule_set_notification (rule, message);
 464                                 g_free(message);
 465                                 g_free(num);
 466                         }
 467                 }
 468                 if (!dimmed) {
 469                         dimmed = _selected_message_is_marked_as_deleted (MODEST_MAIN_WINDOW (win));
 470                         if (dimmed) {
 471                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 472                         }
 473                 }
 474                 if (!dimmed) {
 475                         dimmed = _selected_msg_sent_in_progress (win);
 476                         if (dimmed)
 477                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 478                 }
 479         }
 480         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 481                 if (!dimmed) {
 482                         dimmed = _transfer_mode_enabled (win);
 483                         if (dimmed)
 484                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 485                 }
 486                 if (!dimmed) {
 487                         dimmed = _message_is_marked_as_deleted (MODEST_MSG_VIEW_WINDOW (win));
 488                         if (dimmed)
 489                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 490                 }
 491
 492                 /* Commented out, because deletion should be possible even when
 493                  * the message window has no header view model, which will be the
 494                  * case when it is not the selected message in the header view.
 495                  */
 496                 /*
 497                 if (!dimmed) {
 498                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 499                         if (dimmed) {
 500                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
 501                         }
 502                 }
 503                 */
 504         }
 505
 506         return dimmed;
 507 }
 508
 509 gboolean
 510 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 511 {
 512         ModestDimmingRule *rule = NULL;
 513         GtkWidget *header_view = NULL;
 514         gboolean dimmed = FALSE;
 515
 516         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 517         rule = MODEST_DIMMING_RULE (user_data);
 518
 519         /* main window dimming rules */
 520         if (MODEST_IS_MAIN_WINDOW(win)) {
 521
 522                 /* Check dimmed rule */
 523                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 524                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 525
 526                 /* If the header view has the focus: */
 527                 if (header_view && gtk_widget_is_focus (header_view)) {
 528                         /* Check dimmed rule */
 529                         if (!dimmed)
 530                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 531                 }
 532                 else {
 533                         /* If the folder view has the focus: */
 534                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 535                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 536                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 537                                 TnyFolderStore *folder_store
 538                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 539                                 if (folder_store) {
 540                                         /* Only enable for folders, not accounts,
 541                                          * though the UI spec is not clear about that.
 542                                          * If we enable this for accounts then we must
 543                                          * add code to handle them in modest_ui_actions_on_details(). */
 544                                         if (!TNY_IS_FOLDER(folder_store)) {
 545                                                 dimmed = TRUE;
 546                                                 modest_dimming_rule_set_notification (rule, "");
 547                                         }
 548
 549                                         g_object_unref (folder_store);
 550                                 }
 551                         }
 552
 553                 }
 554
 555         /* msg view window dimming rules */
 556         } else {
 557
 558                 /* Check dimmed rule */
 559                 if (!dimmed) {
 560                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 561                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 562                         if (dimmed)
 563                                 modest_dimming_rule_set_notification (rule, "");
 564                 }
 565         }
 566
 567         return dimmed;
 568 }
 569
 570
 571 gboolean
 572 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 573 {
 574         ModestDimmingRule *rule = NULL;
 575         TnyHeaderFlags flags;
 576         gboolean dimmed = FALSE;
 577
 578         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 579         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 580         rule = MODEST_DIMMING_RULE (user_data);
 581
 582         flags = TNY_HEADER_FLAG_SEEN;
 583
 584         /* Check dimmed rule */
 585         if (!dimmed) {
 586                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 587         }
 588         if (!dimmed) {
 589                 dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), flags, FALSE, TRUE);
 590                 if (dimmed)
 591                         modest_dimming_rule_set_notification (rule, "");
 592         }
 593
 594         return dimmed;
 595 }
 596
 597 gboolean
 598 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 599 {
 600         ModestDimmingRule *rule = NULL;
 601         TnyHeaderFlags flags;
 602         gboolean dimmed = FALSE;
 603
 604         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 605         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 606         rule = MODEST_DIMMING_RULE (user_data);
 607
 608         flags = TNY_HEADER_FLAG_SEEN;
 609
 610         /* Check dimmed rule */
 611         if (!dimmed)
 612                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 613         if (!dimmed) {
 614                 dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), flags, TRUE, TRUE);
 615                 if (dimmed)
 616                         modest_dimming_rule_set_notification (rule, "");
 617         }
 618
 619         return dimmed;
 620 }
 621
 622 gboolean
 623 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 624 {
 625         ModestDimmingRule *rule = NULL;
 626         gboolean dimmed = FALSE;
 627
 628         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 629         rule = MODEST_DIMMING_RULE (user_data);
 630
 631         if (MODEST_IS_MAIN_WINDOW (win))
 632                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 633         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 634                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 635
 636         return dimmed;
 637 }
 638
 639
 640 gboolean
 641 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 642 {
 643         GtkWidget *folder_view = NULL;
 644         GtkWidget *header_view = NULL;
 645         ModestDimmingRule *rule = NULL;
 646         guint n_messages = 0;
 647         gboolean dimmed = FALSE;
 648
 649         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 650         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 651         rule = MODEST_DIMMING_RULE (user_data);
 652
 653         /* Get the folder view */
 654         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 655                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 656
 657         /* Get header view */
 658         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 659                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 660
 661         /* Check diming rules for folders and messages transfer  */
 662         if (!dimmed) {
 663                 dimmed = _already_opened_msg (win, &n_messages);
 664                 if (dimmed) {
 665                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 666                         modest_dimming_rule_set_notification (rule, message);
 667                         g_free(message);
 668                 }
 669         }
 670         if (!dimmed) {
 671                 if (!gtk_widget_is_focus (folder_view))
 672                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 673
 674         }
 675
 676         return dimmed;
 677 }
 678
 679 gboolean
 680 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 681 {
 682         ModestDimmingRule *rule = NULL;
 683         gboolean dimmed = FALSE;
 684
 685         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 686         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 687         rule = MODEST_DIMMING_RULE (user_data);
 688
 689         /* Check dimmed rule */
 690         if (!dimmed) {
 691                 dimmed = _transfer_mode_enabled (win);
 692                 if (dimmed)
 693                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 694         }
 695         if (!dimmed) {
 696                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 697                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 698                 if (dimmed)
 699                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 700         }
 701
 702         return dimmed;
 703 }
 704
 705 gboolean
 706 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 707 {
 708         ModestDimmingRule *rule = NULL;
 709         gboolean dimmed = FALSE;
 710
 711         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 712         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 713         rule = MODEST_DIMMING_RULE (user_data);
 714
 715         /* Check dimmed rule */
 716         if (!dimmed) {
 717                 dimmed = _transfer_mode_enabled (win);
 718                 if (dimmed)
 719                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 720         }
 721
 722         return dimmed;
 723 }
 724
 725 gboolean
 726 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 727 {
 728         ModestDimmingRule *rule = NULL;
 729         TnyFolderType types[3];
 730         gboolean dimmed = FALSE;
 731
 732         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 733         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 734         rule = MODEST_DIMMING_RULE (user_data);
 735
 736         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 737         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 738         types[2] = TNY_FOLDER_TYPE_SENT;
 739
 740         /* Check dimmed rule */
 741         if (!dimmed) {
 742                 dimmed = _clipboard_is_empty (win);
 743                 if (dimmed)
 744                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 745         }
 746         if (!dimmed) {
 747                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 748                 if (dimmed)
 749                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 750         }
 751         if (!dimmed) {
 752                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 753                 if (dimmed) {
 754                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 755                 }
 756         }
 757         if (!dimmed) {
 758                 dimmed = _selected_folder_is_same_as_source (win);
 759                 if (dimmed)
 760                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 761         }
 762
 763         return dimmed;
 764 }
 765
 766
 767 gboolean
 768 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 769 {
 770         ModestDimmingRule *rule = NULL;
 771         gboolean dimmed = FALSE;
 772
 773         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 774         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 775         rule = MODEST_DIMMING_RULE (user_data);
 776
 777         /* Check dimmed rule */
 778         if (!dimmed) {
 779                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 780                 if (dimmed)
 781                         modest_dimming_rule_set_notification (rule, "");
 782         }
 783
 784         return dimmed;
 785 }
 786
 787 gboolean
 788 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 789 {
 790         ModestDimmingRule *rule = NULL;
 791         gboolean dimmed = FALSE;
 792
 793         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 794         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 795         rule = MODEST_DIMMING_RULE (user_data);
 796
 797         /* Check dimmed rule */
 798         if (!dimmed)
 799                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);
 800
 801         if (!dimmed) {
 802                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 803                 if (dimmed) {
 804                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 805                 }
 806         }
 807
 808         return dimmed;
 809 }
 810
 811 gboolean
 812 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 813 {
 814         ModestDimmingRule *rule = NULL;
 815         gboolean dimmed = FALSE;
 816
 817         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 818         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 819         rule = MODEST_DIMMING_RULE (user_data);
 820
 821         /* Check dimmed rule */
 822         if (!dimmed)
 823                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
 824
 825         if (!dimmed) {
 826                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 827                 if (dimmed) {
 828                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 829                 }
 830         }
 831
 832         return dimmed;
 833 }
 834
 835 gboolean
 836 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 837 {
 838         ModestDimmingRule *rule = NULL;
 839         gboolean dimmed = FALSE;
 840
 841         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 842         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 843         rule = MODEST_DIMMING_RULE (user_data);
 844
 845         /* Check in main window if there's only one message selected */
 846         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 847                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 848         }
 849
 850         /* Check in view window if there's any attachment selected */
 851         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 852                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
 853                 if (dimmed)
 854                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 855         }
 856
 857         /* cannot purge in editable drafts nor pop folders */
 858         if (!dimmed) {
 859                 dimmed = _invalid_folder_for_purge (win, rule);
 860         }
 861
 862         /* Check if the selected message in main window has attachments */
 863         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 864                 dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), TNY_HEADER_FLAG_ATTACHMENTS, TRUE, FALSE);
 865                 if (dimmed)
 866                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 867         }
 868
 869         /* Check if all attachments are already purged */
 870         if (!dimmed) {
 871                 dimmed = _purged_attach_selected (win, TRUE, rule);
 872         }
 873
 874         /* Check if the message is already downloaded */
 875         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 876                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 877                 if (dimmed)
 878                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 879         }
 880
 881
 882         return dimmed;
 883 }
 884
 885 gboolean
 886 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 887 {
 888         ModestDimmingRule *rule = NULL;
 889         gboolean dimmed = FALSE;
 890
 891         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 892         rule = MODEST_DIMMING_RULE (user_data);
 893
 894         /* Check dimmed rule */
 895         if (!dimmed) {
 896                 dimmed = _clipboard_is_empty (win);
 897                 if (dimmed)
 898                         modest_dimming_rule_set_notification (rule, "");
 899         }
 900
 901         return dimmed;
 902 }
 903
 904 gboolean
 905 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 906 {
 907         ModestDimmingRule *rule = NULL;
 908         gboolean dimmed = FALSE;
 909
 910         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 911         rule = MODEST_DIMMING_RULE (user_data);
 912
 913         /* Check common dimming rules */
 914         if (!dimmed) {
 915                 dimmed = _invalid_clipboard_selected (win, rule);
 916         }
 917
 918         /* Check window specific dimming rules */
 919         if (MODEST_IS_MAIN_WINDOW (win)) {
 920                 if (!dimmed) {
 921                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 922                         if (dimmed)
 923                                 modest_dimming_rule_set_notification (rule, "");
 924                 }
 925                 if (!dimmed) {
 926                         dimmed = _selected_msg_sent_in_progress (win);
 927                         if (dimmed)
 928                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 929                 }
 930         }
 931
 932         return dimmed;
 933 }
 934
 935 gboolean
 936 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 937 {
 938         ModestDimmingRule *rule = NULL;
 939         gboolean dimmed = FALSE;
 940
 941         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 942         rule = MODEST_DIMMING_RULE (user_data);
 943
 944         /* Check common dimming rules */
 945         if (!dimmed) {
 946                 dimmed = _invalid_clipboard_selected (win, rule);
 947         }
 948
 949         /* Check window specific dimming rules */
 950         if (MODEST_IS_MAIN_WINDOW (win)) {
 951                 if (!dimmed) {
 952                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 953                         if (dimmed)
 954                                 modest_dimming_rule_set_notification (rule, "");
 955                 }
 956                 if (!dimmed) {
 957                         dimmed = _selected_msg_sent_in_progress (win);
 958                         if (dimmed)
 959                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 960                 }
 961         }
 962
 963         return dimmed;
 964 }
 965
 966 gboolean
 967 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 968 {
 969         ModestDimmingRule *rule = NULL;
 970         gboolean dimmed = FALSE;
 971
 972         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 973         rule = MODEST_DIMMING_RULE (user_data);
 974
 975         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 976
 977         /* Check dimmed rule */
 978         if (!dimmed) {
 979                 dimmed = _transfer_mode_enabled (win);
 980                 if (dimmed)
 981                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 982         }
 983         if (!dimmed) {
 984                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 985                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 986                 modest_dimming_rule_set_notification (rule, NULL);
 987         }
 988
 989         return dimmed;
 990 }
 991
 992 gboolean
 993 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 994 {
 995         ModestDimmingRule *rule = NULL;
 996         gboolean dimmed = FALSE;
 997
 998         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 999         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1000         rule = MODEST_DIMMING_RULE (user_data);
1001
1002         /* Check dimmed rule */
1003         if (!dimmed) {
1004                 dimmed = _transfer_mode_enabled (win);
1005                 if (dimmed)
1006                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
1007         }
1008         if (!dimmed) {
1009                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
1010                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
1011                 modest_dimming_rule_set_notification (rule, NULL);
1012         }
1013
1014         return dimmed;
1015 }
1016
1017
1018 gboolean
1019 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1020 {
1021         const gboolean dimmed =
1022                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1023                         TRUE);
1024
1025         return dimmed;
1026 }
1027
1028 gboolean
1029 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1030 {
1031         ModestDimmingRule *rule = NULL;
1032         TnyFolderType types[1];
1033         guint n_messages = 0;
1034         gboolean dimmed = FALSE;
1035
1036         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1037         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1038         rule = MODEST_DIMMING_RULE (user_data);
1039
1040         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1041
1042         /* Check dimmed rules */
1043         if (!dimmed) {
1044                 dimmed = _already_opened_msg (win, &n_messages);
1045                 if (dimmed)
1046                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1047         }
1048         if (!dimmed) {
1049                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1050                 if (dimmed)
1051                         modest_dimming_rule_set_notification (rule, "");
1052         }
1053         if (!dimmed) {
1054                 dimmed = !_sending_in_progress (win);
1055                 if (dimmed)
1056                         modest_dimming_rule_set_notification (rule, "");
1057         }
1058
1059         return dimmed;
1060 }
1061
1062 gboolean
1063 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1064 {
1065         ModestDimmingRule *rule = NULL;
1066         gboolean dimmed = FALSE;
1067
1068         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1069         rule = MODEST_DIMMING_RULE (user_data);
1070
1071         /* Check dimmed rule */
1072         if (!dimmed) {
1073                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1074                                                           TRUE);
1075                 if (dimmed)
1076                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1077         }
1078
1079         return dimmed;
1080 }
1081
1082 gboolean
1083 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1084 {
1085         ModestDimmingRule *rule = NULL;
1086         gboolean dimmed = FALSE;
1087
1088         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1089         rule = MODEST_DIMMING_RULE (user_data);
1090
1091         /* Check dimmed rule */
1092         if (!dimmed) {
1093                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1094                 gchar *selection = NULL;
1095                 selection = gtk_clipboard_wait_for_text (clipboard);
1096
1097                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1098         }
1099
1100         return dimmed;
1101 }
1102
1103 /* *********************** static utility functions ******************** */
1104
1105 /* Returns whether the selected message is marked as deleted. */
1106 static gboolean
1107 _message_is_marked_as_deleted (ModestMsgViewWindow *win)
1108 {
1109         g_return_val_if_fail (win, FALSE);
1110         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
1111
1112         TnyHeader* header = modest_msg_view_window_get_header (win);
1113         if (!header)
1114                 return FALSE;
1115
1116         return (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED);
1117 }
1118
1119
1120
1121 /* Returns whether the selected message is marked as deleted.
1122  * @param win The main window, or NULL if you want this function
1123  * to discover the main window itself, which is marginally less
1124  * efficient. */
1125 static gboolean
1126 _selected_message_is_marked_as_deleted (ModestMainWindow *win)
1127 {
1128         gboolean result = FALSE;
1129         TnyHeaderFlags flags;
1130
1131         flags = TNY_HEADER_FLAG_DELETED;
1132
1133         /* Check dimmed rule */
1134         result = _selected_msg_marked_as (win, flags, FALSE, FALSE);
1135
1136         return result;
1137 }
1138
1139 static gboolean
1140 _selected_folder_not_writeable (ModestMainWindow *win)
1141 {
1142         GtkWidget *folder_view = NULL;
1143         TnyFolderStore *parent_folder = NULL;
1144         ModestTnyFolderRules rules;
1145         gboolean result = FALSE;
1146
1147         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1148
1149         /* Get folder view */
1150         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1151                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1152         /* If no folder view, always dimmed */
1153         if (!folder_view)
1154                 return TRUE;
1155
1156         /* Get selected folder as parent of new folder to create */
1157         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1158         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1159                 if (parent_folder)
1160                         g_object_unref (parent_folder);
1161                 return TRUE;
1162         }
1163
1164         /* Check dimmed rule */
1165         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1166         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1167
1168         /* free */
1169         g_object_unref (parent_folder);
1170
1171         return result;
1172 }
1173
1174 static gboolean
1175 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1176 {
1177         TnyFolderType types[2];
1178         gboolean result = FALSE;
1179
1180         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1181
1182         types[0] = TNY_FOLDER_TYPE_ROOT;
1183         types[1] = TNY_FOLDER_TYPE_INBOX;
1184
1185         /* Check folder type */
1186         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1187
1188         /* Check pop and MMC accounts */
1189         if (!result) {
1190                 result = _selected_folder_is_MMC_or_POP_root (win);
1191         }
1192
1193         return result;
1194 }
1195
1196
1197 static gboolean
1198 _selected_folder_is_root (ModestMainWindow *win)
1199 {
1200         TnyFolderType types[1];
1201         gboolean result = FALSE;
1202
1203         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1204
1205         /* All accounts are root items: */
1206         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1207                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1208         if (folder_view) {
1209                 gboolean is_account = FALSE;
1210                 TnyFolderStore *folder_store =
1211                         modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1212                 if (folder_store) {
1213                         is_account = TNY_IS_ACCOUNT (folder_store);
1214                         g_object_unref (folder_store);
1215                         folder_store = NULL;
1216                 }
1217
1218                 if (is_account)
1219                         return TRUE;
1220         }
1221
1222         /* Try something more precise: */
1223         types[0] = TNY_FOLDER_TYPE_ROOT;
1224
1225         /* Check folder type */
1226         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1227
1228         /* Check pop and MMC accounts */
1229         if (!result) {
1230                 result = _selected_folder_is_MMC_or_POP_root (win);
1231         }
1232
1233         return result;
1234 }
1235
1236 static gboolean
1237 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1238 {
1239         GtkWidget *folder_view = NULL;
1240         TnyFolderStore *parent_folder = NULL;
1241         gboolean result = FALSE;
1242
1243         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1244                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1245         /* Get selected folder as parent of new folder to create */
1246         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1247         if (!parent_folder)
1248                 return TRUE;
1249
1250         if (TNY_IS_ACCOUNT (parent_folder)) {
1251                 /* If it's the local account then do not dim */
1252                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1253                         result = FALSE;
1254                 } else {
1255                                 /* If it's the MMC root folder then dim it */
1256                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1257                                         result = TRUE;
1258                         } else {
1259                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1260                                 /* If it's POP then dim */
1261                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1262                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1263                         }
1264                 }
1265         }
1266         g_object_unref (parent_folder);
1267
1268         return result;
1269 }
1270
1271
1272 static gboolean
1273 _selected_folder_is_empty (ModestMainWindow *win)
1274 {
1275         GtkWidget *folder_view = NULL;
1276         TnyFolderStore *folder = NULL;
1277         gboolean result = FALSE;
1278
1279         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1280
1281         /* Get folder view */
1282         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1283                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1284         /* If no folder view, always dimmed */
1285         if (!folder_view)
1286                 return TRUE;
1287
1288         /* Get selected folder as parent of new folder to create */
1289         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1290         if (!(folder && TNY_IS_FOLDER(folder))) {
1291                 if (folder)
1292                         g_object_unref (folder);
1293                 return TRUE;
1294         }
1295
1296         /* Check folder type */
1297         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1298
1299         /* free */
1300         g_object_unref (folder);
1301
1302         return result;
1303 }
1304
1305 static gboolean
1306 _selected_folder_is_same_as_source (ModestWindow *win)
1307 {
1308         ModestEmailClipboard *clipboard = NULL;
1309         GtkWidget *folder_view = NULL;
1310         TnyFolderStore *folder = NULL;
1311         gboolean result = FALSE;
1312
1313         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1314
1315         /* Get folder view */
1316         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1317                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1318         if (!folder_view)
1319                 return FALSE;
1320
1321         /* Get selected folder as destination folder */
1322         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1323         if (!(folder && TNY_IS_FOLDER(folder))) {
1324                 result = FALSE;
1325                 goto frees;
1326         }
1327
1328         /* Check clipboard is cleared */
1329         clipboard = modest_runtime_get_email_clipboard ();
1330         if (modest_email_clipboard_cleared (clipboard)) {
1331                 result = FALSE;
1332                 goto frees;
1333         }
1334
1335         /* Check source folder */
1336         result = modest_email_clipboard_check_source_folder (clipboard,
1337                                                              (const TnyFolder *) folder);
1338
1339         /* Free */
1340  frees:
1341         g_object_unref (folder);
1342
1343         return result;
1344 }
1345
1346 static gboolean
1347 _selected_folder_is_any_of_type (ModestWindow *win,
1348                                  TnyFolderType types[],
1349                                  guint ntypes)
1350 {
1351         GtkWidget *folder_view = NULL;
1352         TnyFolderStore *folder = NULL;
1353         TnyFolderType folder_type;
1354         guint i=0;
1355         gboolean result = FALSE;
1356
1357         /*Get current folder */
1358         if (MODEST_IS_MAIN_WINDOW(win)) {
1359
1360                 /* Get folder view */
1361                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1362                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1363                 /* If no folder view, always dimmed */
1364                 if (!folder_view)
1365                         return FALSE;
1366
1367                 /* Get selected folder as parent of new folder to create */
1368                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1369
1370                 if (!(folder && TNY_IS_FOLDER(folder))) {
1371                         if (folder)
1372                                 g_object_unref (folder);
1373                         return FALSE;
1374                 }
1375
1376                 /* Check folder type */
1377                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1378         }
1379         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1380                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1381                 for (i=0; i < ntypes; i++) {
1382                         result = result || folder_type == types[i];
1383                 }
1384         }
1385
1386
1387         /* free */
1388         g_object_unref (folder);
1389
1390         return result;
1391 }
1392
1393 static gboolean
1394 _folder_is_any_of_type (TnyFolder *folder,
1395                         TnyFolderType types[],
1396                         guint ntypes)
1397 {
1398         TnyFolderType folder_type;
1399         gboolean result = FALSE;
1400         guint i;
1401
1402         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1403
1404         /* Get folder type */
1405         folder_type = modest_tny_folder_guess_folder_type (folder);
1406
1407         /* Check foler type */
1408         for (i=0; i < ntypes; i++) {
1409                 result = result || folder_type == types[i];
1410         }
1411
1412         return result;
1413 }
1414
1415 static gboolean
1416 _selected_folder_is_snd_level (ModestMainWindow *win)
1417 {
1418         GtkWidget *folder_view = NULL;
1419         GtkTreeSelection *sel = NULL;
1420         GtkTreeModel *model = NULL;
1421         GtkTreePath *path = NULL;
1422         GtkTreeIter iter;
1423         TnyFolderStore *folder = NULL;
1424         gboolean result = FALSE;
1425
1426         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1427
1428         /*Get curent folder */
1429         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1430                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1431         /* If no folder view, always dimmed */
1432         if (!folder_view)
1433                 goto frees;
1434
1435         /* Get selected folder as parent of new folder to create */
1436         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1437         if (!(folder && TNY_IS_FOLDER(folder))) {
1438                 goto frees;
1439         }
1440
1441         /* Check folder level */
1442         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1443         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1444                 goto frees;
1445         path = gtk_tree_model_get_path (model, &iter);
1446         result = gtk_tree_path_get_depth (path) > 2;
1447
1448  frees:
1449         if (folder != NULL)
1450                 g_object_unref (folder);
1451         if (path != NULL)
1452                 gtk_tree_path_free (path);
1453
1454         return result;
1455
1456 }
1457
1458 static gboolean
1459 _clipboard_is_empty (ModestWindow *win)
1460 {
1461         gboolean result = FALSE;
1462
1463         if (MODEST_IS_MAIN_WINDOW (win)) {
1464                 ModestEmailClipboard *clipboard = NULL;
1465                 clipboard = modest_runtime_get_email_clipboard ();
1466                 if (modest_email_clipboard_cleared (clipboard))
1467                  result = TRUE;
1468         }
1469
1470         return result;
1471 }
1472
1473 static gboolean
1474 _invalid_clipboard_selected (ModestWindow *win,
1475                        ModestDimmingRule *rule)
1476 {
1477         gboolean result = FALSE;
1478
1479         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1480                 GtkClipboard *clipboard = NULL;
1481                 gchar *selection = NULL;
1482                 GtkWidget *focused = NULL;
1483
1484                 /* Get clipboard selection*/
1485                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1486                 selection = gtk_clipboard_wait_for_text (clipboard);
1487
1488                 /* Get focuesed widget */
1489                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1490
1491                 /* Check dimming */
1492                 result = ((selection == NULL) ||
1493                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1494
1495                 if (result)
1496                         modest_dimming_rule_set_notification (rule, "");
1497         }
1498         else if (MODEST_IS_MAIN_WINDOW (win)) {
1499                 GtkWidget *header_view = NULL;
1500
1501                 /* Get header view to check selected messages */
1502                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1503                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1504
1505                 /* Check dimming */
1506                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1507                 if (result)
1508                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1509         }
1510
1511         return result;
1512 }
1513
1514
1515 static gboolean
1516 _invalid_attach_selected (ModestWindow *win,
1517                           gboolean unique,
1518                           gboolean for_view,
1519                           gboolean for_remove,
1520                           ModestDimmingRule *rule)
1521 {
1522         GList *attachments, *node;
1523         gint n_selected;
1524         TnyHeaderFlags flags;
1525         gboolean nested_attachments = FALSE;
1526         gboolean selected_messages = FALSE;
1527         gboolean result = FALSE;
1528
1529         if (MODEST_IS_MAIN_WINDOW (win)) {
1530                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1531                 if (!result)
1532                         result = _selected_msg_marked_as (MODEST_MAIN_WINDOW (win), flags, TRUE, FALSE);
1533         }
1534         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1535
1536                 /* Get selected atachments */
1537                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1538                 n_selected = g_list_length (attachments);
1539
1540                 /* Check unique */
1541                 if (!result) {
1542                         if (unique)
1543                                 result = n_selected != 1;
1544                         else
1545
1546                                 result = n_selected < 1;
1547                 }
1548
1549                 /* Check attached type (view operation not required) */
1550                 if (!result && !for_view)  {
1551                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1552                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1553                                 TnyList *nested_list = tny_simple_list_new ();
1554                                 if (!for_remove && TNY_IS_MSG (mime_part)) {
1555                                         selected_messages = TRUE;
1556                                         result = TRUE;
1557                                 }
1558                                 tny_mime_part_get_parts (mime_part, nested_list);
1559                                 if (!for_remove && tny_list_get_length (nested_list) > 0) {
1560                                         nested_attachments = TRUE;
1561                                         result = TRUE;
1562                                 }
1563                                 g_object_unref (nested_list);
1564                         }
1565                 }
1566
1567                 /* Set notifications */
1568                 if (result && rule != NULL) {
1569                         if (selected_messages) {
1570                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1571                         } else if (nested_attachments) {
1572                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1573                         } else if (n_selected == 0) {
1574                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1575                         } else if (unique) {
1576                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1577                         }
1578                 }
1579
1580                 /* Free */
1581                 g_list_free (attachments);
1582         }
1583
1584         return result;
1585 }
1586
1587 static gboolean
1588 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1589 {
1590         GList *attachments = NULL, *node;
1591         gint purged = 0;
1592         gint n_attachments = 0;
1593         gboolean result = FALSE;
1594
1595         /* This should check if _all_ the attachments are already purged. If only some
1596          * of them are purged, then it does not cause dim as there's a confirmation dialog
1597          * for removing only local attachments */
1598
1599         /* Get selected atachments */
1600         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1601                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1602         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1603                 /* If we're in main window, we won't know if there are already purged attachments */
1604                 return FALSE;
1605         }
1606
1607         if (attachments == NULL)
1608                 return FALSE;
1609
1610         for (node = attachments; node != NULL; node = g_list_next (node)) {
1611                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1612                 if (tny_mime_part_is_purged (mime_part)) {
1613                         purged++;
1614                 }
1615                 n_attachments++;
1616         }
1617
1618         /* Free */
1619         g_list_free (attachments);
1620
1621         if (all)
1622                 result = (purged == n_attachments);
1623         else
1624                 result = (purged > 0);
1625
1626         if (result && (rule != NULL))
1627                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1628
1629         return result;
1630 }
1631
1632 static gboolean
1633 _invalid_msg_selected (ModestMainWindow *win,
1634                        gboolean unique,
1635                        ModestDimmingRule *rule)
1636 {
1637         GtkWidget *header_view = NULL;
1638         GtkWidget *folder_view = NULL;
1639         gboolean selected_headers = FALSE;
1640         gboolean result = FALSE;
1641
1642         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1643         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1644
1645         /* Get header view to check selected messages */
1646         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1647                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1648
1649         /* Get folder view to check focus */
1650         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1651                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1652
1653         /* Get selected headers */
1654         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1655
1656         /* Check dimmed rule (TODO: check focus on widgets */
1657         if (!result) {
1658                 result = ((!selected_headers) ||
1659                           (gtk_widget_is_focus (folder_view)));
1660                 if (result)
1661                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1662         }
1663         if (!result && unique) {
1664                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1665                 if (result)
1666                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1667         }
1668
1669         return result;
1670 }
1671
1672 static gboolean
1673 _already_opened_msg (ModestWindow *win,
1674                      guint *n_messages)
1675 {
1676         //ModestWindow *window = NULL;
1677         ModestWindowMgr *mgr = NULL;
1678         GtkWidget *header_view = NULL;
1679         TnyList *selected_headers = NULL;
1680         TnyIterator *iter = NULL;
1681         TnyHeader *header = NULL;
1682         gboolean found;
1683
1684         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1685
1686         /* Get header view to check selected messages */
1687         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1688                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1689
1690
1691         /* Check no selection */
1692         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1693             return FALSE;
1694
1695         /* Get selected headers */
1696         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1697         if (selected_headers == NULL)
1698                 return FALSE;
1699
1700         *n_messages = tny_list_get_length (selected_headers);
1701
1702         /* Check dimmed rule (TODO: check focus on widgets */
1703         mgr = modest_runtime_get_window_mgr ();
1704         iter = tny_list_create_iterator (selected_headers);
1705         found = FALSE;
1706         while (!tny_iterator_is_done (iter)) {
1707                 header = TNY_HEADER (tny_iterator_get_current (iter));
1708                 if (header) {
1709                         found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1710
1711                         g_object_unref (header);
1712                 }
1713
1714                 tny_iterator_next (iter);
1715
1716                 if (found)
1717                         break;
1718         }
1719
1720         /* free */
1721         if (selected_headers != NULL)
1722                 g_object_unref (selected_headers);
1723         if (iter != NULL)
1724                 g_object_unref (iter);
1725
1726         return found;
1727 }
1728
1729 /* Returns whether the selected message has these flags.
1730  * @win: The main window, or NULL if you want this function
1731  * to discover the main window itself.
1732  */
1733 static gboolean
1734 _selected_msg_marked_as (ModestMainWindow *win,
1735                          TnyHeaderFlags mask,
1736                          gboolean opposite,
1737                          gboolean all)
1738 {
1739         ModestMainWindow *main_window = NULL;
1740         GtkWidget *header_view = NULL;
1741         TnyList *selected_headers = NULL;
1742         TnyIterator *iter = NULL;
1743         TnyHeader *header = NULL;
1744         TnyHeaderFlags flags = 0;
1745         gboolean result = TRUE;
1746
1747     /* The caller can supply the main window if it knows it,
1748      * to save time, or we can get it here: */
1749         if (win && MODEST_IS_MAIN_WINDOW (win))
1750                 main_window = win;
1751         else {
1752                 main_window = MODEST_MAIN_WINDOW (
1753                         modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ()));
1754         }
1755
1756         /* TODO: Javi, what about if the main window does not
1757            exist?. Adding some code to avoid CRITICALs */
1758         if (!main_window)
1759                 return FALSE;
1760
1761         /* Get header view to check selected messages */
1762         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_window),
1763                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1764
1765         /* Check no selection */
1766         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1767             return TRUE;
1768
1769         /* Get selected headers */
1770         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1771         if (selected_headers == NULL)
1772                 return TRUE;
1773
1774         /* Call the function for each header */
1775         iter = tny_list_create_iterator (selected_headers);
1776         while (!tny_iterator_is_done (iter) && result) {
1777                 header = TNY_HEADER (tny_iterator_get_current (iter));
1778                 if (header) {
1779                         flags = tny_header_get_flags (header);
1780                         if (opposite)
1781                                 result = (flags & mask) == 0;
1782                         else
1783                                 result = (flags & mask) != 0;
1784
1785                         g_object_unref (header);
1786                 }
1787
1788                 tny_iterator_next (iter);
1789         }
1790
1791         if (all)
1792                 result = result && tny_iterator_is_done (iter);
1793
1794         /* free */
1795         if (selected_headers != NULL)
1796                 g_object_unref (selected_headers);
1797         if (iter != NULL)
1798                 g_object_unref (iter);
1799
1800         return result;
1801 }
1802
1803 static gboolean
1804 _msg_download_in_progress (ModestMsgViewWindow *win)
1805 {
1806         gboolean result = FALSE;
1807
1808         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1809
1810         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1811
1812         return result;
1813 }
1814
1815 static gboolean
1816 _msg_download_completed (ModestMainWindow *win)
1817 {
1818         GtkWidget *header_view = NULL;
1819         TnyList *selected_headers = NULL;
1820         TnyIterator *iter = NULL;
1821         TnyHeader *header = NULL;
1822         TnyHeaderFlags flags = 0;
1823         gboolean result = FALSE;
1824
1825         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1826
1827
1828         /* Get header view to check selected messages */
1829         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1830                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1831
1832         /* Check no selection */
1833         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1834             return TRUE;
1835
1836         /* Get selected headers */
1837         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1838         if (selected_headers == NULL)
1839                 return TRUE;
1840
1841         /* Check dimmed rule  */
1842         result = TRUE;
1843         iter = tny_list_create_iterator (selected_headers);
1844         while (!tny_iterator_is_done (iter) && result) {
1845                 header = TNY_HEADER (tny_iterator_get_current (iter));
1846                 if (header) {
1847                         flags = tny_header_get_flags (header);
1848                         /* TODO: is this the right flag?, it seems that some
1849                            headers that have been previously downloaded do not
1850                            come with it */
1851                         result = (flags & TNY_HEADER_FLAG_CACHED);
1852
1853                         g_object_unref (header);
1854                 }
1855
1856                 tny_iterator_next (iter);
1857         }
1858
1859         g_object_unref (iter);
1860
1861         return result;
1862 }
1863
1864 static void
1865 fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
1866 {
1867         GSList **send_queues = (GSList **) userdata;
1868         *send_queues = g_slist_prepend (*send_queues, value);
1869 }
1870
1871 static gboolean
1872 _selected_msg_sent_in_progress (ModestWindow *win)
1873 {
1874         ModestCacheMgr *cache_mgr;
1875         GHashTable     *send_queue_cache;
1876         GSList *send_queues = NULL, *node;
1877         ModestTnySendQueue *send_queue = NULL;
1878         GtkWidget *header_view = NULL;
1879         TnyList *header_list = NULL;
1880         TnyIterator *iter = NULL;
1881         TnyHeader *header = NULL;
1882         gboolean result = FALSE;
1883         gchar *msg_uid = NULL;
1884
1885
1886         if (MODEST_IS_MAIN_WINDOW(win)) {
1887
1888                 /* Get header view to check selected messages */
1889                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1890                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1891
1892                 /* Check no selection */
1893                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1894                     return FALSE;
1895
1896                 /* Get selected headers */
1897                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1898
1899                 /* Get message header */
1900                 if (!header_list) return FALSE;
1901                 iter = tny_list_create_iterator (header_list);
1902                 header = TNY_HEADER (tny_iterator_get_current (iter));
1903                 if (header) {
1904                         /* Get message uid */
1905                         msg_uid = modest_tny_send_queue_get_msg_id (header);
1906                         g_object_unref (header);
1907                 }
1908
1909         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1910
1911                 /* Get message header */
1912                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1913                 if (header) {
1914                         /* Get message uid */
1915                         msg_uid = modest_tny_send_queue_get_msg_id (header);
1916                         g_object_unref (header);
1917                 }
1918         }
1919
1920         /* Search on send queues cache */
1921         cache_mgr = modest_runtime_get_cache_mgr ();
1922         send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
1923                                                        MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
1924
1925         g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
1926
1927         for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
1928                 send_queue = MODEST_TNY_SEND_QUEUE (node->data);
1929
1930                 /* Check if msg uid is being processed inside send queue */
1931                 result = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);
1932         }
1933
1934
1935         /* Free */
1936         g_free(msg_uid);
1937         g_object_unref(header_list);
1938         g_object_unref(iter);
1939         g_slist_free (send_queues);
1940
1941         return result;
1942 }
1943
1944
1945 static gboolean
1946 _sending_in_progress (ModestWindow *win)
1947 {
1948         gboolean result = FALSE;
1949
1950         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1951
1952         /* Check if send operation is in progress */
1953         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1954
1955         return result;
1956 }
1957
1958 static gboolean
1959 _invalid_folder_for_purge (ModestWindow *win,
1960                            ModestDimmingRule *rule)
1961 {
1962         TnyMsg *msg = NULL;
1963         TnyFolder *folder = NULL;
1964         TnyAccount *account = NULL;
1965         gboolean result = FALSE;
1966
1967         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1968
1969                 /* Get folder and account of message */
1970                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1971                 g_return_val_if_fail(msg != NULL, TRUE);
1972                 folder = tny_msg_get_folder (msg);
1973                 if (folder == NULL) {
1974                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1975                         goto frees;
1976                 }
1977                 g_object_unref (msg);
1978         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1979                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1980                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1981                 if (!folder_view)
1982                         return FALSE;
1983                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1984                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1985                         goto frees;
1986         } else {
1987                 g_return_val_if_reached (FALSE);
1988         }
1989         account = modest_tny_folder_get_account (folder);
1990         if (account == NULL) goto frees;
1991
1992         /* Check account */
1993         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1994                 TnyFolderType types[2];
1995                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1996                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1997
1998                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1999                         result = TRUE;
2000                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
2001                 } else {
2002                         /* We're currently disabling purge in any local store */
2003                         result = TRUE;
2004                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
2005                 }
2006         } else {
2007                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
2008                 /* If it's POP then dim */
2009                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
2010                     MODEST_PROTOCOL_STORE_POP) {
2011                         GList *attachments = NULL;
2012                         gint n_selected = 0;
2013                         result = TRUE;
2014
2015                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
2016                          * murrayc */
2017                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
2018                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
2019                                 n_selected = g_list_length (attachments);
2020                                 g_list_free (attachments);
2021                         }
2022
2023                         modest_dimming_rule_set_notification (rule,
2024                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
2025                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
2026                                                                         n_selected));
2027                 }
2028         }
2029
2030 frees:
2031         if (folder != NULL)
2032                 g_object_unref (folder);
2033         if (account != NULL)
2034                 g_object_unref (account);
2035
2036         return result;
2037 }
2038
2039 static gboolean
2040 _transfer_mode_enabled (ModestWindow *win)
2041 {
2042         gboolean result = FALSE;
2043
2044         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
2045
2046         /* Check dimming */
2047         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
2048
2049         return result;
2050 }