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 _clipboard_is_empty (ModestWindow *win);
  48 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  49 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  50 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  51 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  52 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  53 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  55 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  58 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  59 static gboolean _msg_download_completed (ModestMainWindow *win);
  60 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  61 static gboolean _sending_in_progress (ModestWindow *win);
  62 static gboolean _marked_as_deleted (ModestWindow *win);
  63 static gboolean _invalid_attachment_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  64
  65
  66 gboolean
  67 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  68 {
  69         ModestDimmingRule *rule = NULL;
  70         gboolean dimmed = FALSE;
  71
  72         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  73         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  74         rule = MODEST_DIMMING_RULE (user_data);
  75
  76         /* Check dimmed rule */
  77         if (!dimmed) {
  78                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  79                 if (dimmed)
  80                         modest_dimming_rule_set_notification (rule, "");
  81         }
  82
  83         return dimmed;
  84 }
  85
  86 gboolean
  87 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
  88 {
  89         ModestDimmingRule *rule = NULL;
  90         GtkWidget *folder_view = NULL;
  91         TnyFolderStore *parent_folder = NULL;
  92         gboolean dimmed = FALSE;
  93
  94         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  95         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  96         rule = MODEST_DIMMING_RULE (user_data);
  97
  98         /* Get selected folder as parent of new folder to create */
  99         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 100                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 101         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 102         if (!parent_folder)
 103                 return TRUE;
 104
 105         if (TNY_IS_ACCOUNT (parent_folder)) {
 106                 /* If it's the local account then do not dim */
 107                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 108                         dimmed = FALSE;
 109                 } else {
 110                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 111                         /* If it's POP then dim */
 112                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 113                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 114                         if (dimmed)
 115                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 116                 }
 117         } else {
 118                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 119
 120                 TnyFolderType types[3];
 121
 122                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 123                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 124                 types[2] = TNY_FOLDER_TYPE_SENT;
 125
 126                 /* Apply folder rules */
 127                 if (!dimmed) {
 128                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 129                         if (dimmed)
 130                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 131                 }
 132                 if (!dimmed) {
 133                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 134                         if (dimmed)
 135                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 136                 }
 137         }
 138         g_object_unref (parent_folder);
 139
 140         return dimmed;
 141 }
 142
 143 gboolean
 144 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 145 {
 146         ModestDimmingRule *rule = NULL;
 147         TnyFolderType types[5];
 148         gboolean dimmed = FALSE;
 149
 150         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 151         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 152         rule = MODEST_DIMMING_RULE (user_data);
 153
 154         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 155         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 156         types[2] = TNY_FOLDER_TYPE_SENT;
 157         types[3] = TNY_FOLDER_TYPE_INBOX;
 158         types[4] = TNY_FOLDER_TYPE_ROOT;
 159
 160
 161         /* Check dimmed rule */
 162         if (!dimmed) {
 163                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 164                 if (dimmed)
 165                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 166         }
 167         if (!dimmed) {
 168                 dimmed = _selected_folder_is_any_of_type (win, types, 5);
 169                 if (dimmed)
 170                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 171         }
 172         if (!dimmed) {
 173                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 174                 if (dimmed)
 175                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 176         }
 177         if (!dimmed) {
 178                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 179                 if (dimmed)
 180                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 181         }
 182
 183         return dimmed;
 184 }
 185
 186 gboolean
 187 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 188 {
 189         ModestDimmingRule *rule = NULL;
 190         gboolean dimmed = FALSE;
 191
 192         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 193         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 194         rule = MODEST_DIMMING_RULE (user_data);
 195
 196         /* Check dimmed rule */
 197         if (!dimmed) {
 198                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 199                 if (dimmed)
 200                         modest_dimming_rule_set_notification (rule, "");
 201         }
 202
 203         return dimmed;
 204
 205 }
 206
 207 gboolean
 208 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 209 {
 210         ModestDimmingRule *rule = NULL;
 211         TnyFolderType types[3];
 212         gboolean dimmed = FALSE;
 213
 214         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 215         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 216         rule = MODEST_DIMMING_RULE (user_data);
 217
 218         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 219         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 220         types[2] = TNY_FOLDER_TYPE_SENT;
 221
 222         /* Check dimmed rule */
 223         if (!dimmed) {
 224                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 225                 if (dimmed)
 226                         modest_dimming_rule_set_notification (rule, "");
 227         }
 228         if (!dimmed) {
 229                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 230                 if (dimmed)
 231                         modest_dimming_rule_set_notification (rule, "");
 232         }
 233         if (!dimmed) {
 234                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 235                 if (dimmed)
 236                         modest_dimming_rule_set_notification (rule, "");
 237         }
 238
 239         return dimmed;
 240 }
 241
 242 gboolean
 243 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 244 {
 245         ModestDimmingRule *rule = NULL;
 246         gboolean dimmed = FALSE;
 247
 248         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 249         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 250         rule = MODEST_DIMMING_RULE (user_data);
 251
 252         /* Check dimmed rule */
 253         if (!dimmed) {
 254                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 255         }
 256         if (!dimmed) {
 257                 dimmed = _selected_msg_sent_in_progress (win);
 258                 if (dimmed)
 259                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 260         }
 261
 262         return dimmed;
 263 }
 264
 265 gboolean
 266 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 267 {
 268         ModestDimmingRule *rule = NULL;
 269         gboolean dimmed = FALSE;
 270         TnyFolderType types[3];
 271
 272         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 273         rule = MODEST_DIMMING_RULE (user_data);
 274
 275         /* main window dimming rules */
 276         if (MODEST_IS_MAIN_WINDOW(win)) {
 277
 278                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 279                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 280                 types[2] = TNY_FOLDER_TYPE_ROOT;
 281
 282                 /* Check dimmed rule */
 283                 if (!dimmed) {
 284                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 285                         if (dimmed)
 286                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 287                 }
 288                 if (!dimmed) {
 289                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 290                         if (dimmed)
 291                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 292                 }
 293                 if (!dimmed) {
 294                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 295                 }
 296         /* msg view window dimming rules */
 297         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 298
 299                 /* Check dimmed rule */
 300                 if (!dimmed) {
 301                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 302                         if (dimmed)
 303                                 modest_dimming_rule_set_notification (rule, "");
 304                 }
 305         }
 306
 307         return dimmed;
 308 }
 309
 310
 311 gboolean
 312 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 313 {
 314         ModestDimmingRule *rule = NULL;
 315         gboolean dimmed = FALSE;
 316
 317         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 318         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 319         rule = MODEST_DIMMING_RULE (user_data);
 320
 321         /* Check dimmed rule */
 322         if (!dimmed) {
 323                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 324         }
 325         if (!dimmed) {
 326                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 327                 if (dimmed)
 328                         modest_dimming_rule_set_notification (rule, "");
 329         }
 330
 331         return dimmed;
 332 }
 333
 334 gboolean
 335 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 336 {
 337         gboolean dimmed = FALSE;
 338
 339         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 340
 341         /* Check dimmed rule */
 342         if (!dimmed)
 343                 dimmed = TRUE;
 344
 345         return dimmed;
 346 }
 347
 348 gboolean
 349 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 350 {
 351         ModestDimmingRule *rule = NULL;
 352         guint n_messages = 0;
 353         gboolean dimmed = FALSE;
 354
 355         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 356         rule = MODEST_DIMMING_RULE (user_data);
 357
 358         /* Check dimmed rule */
 359         if (MODEST_IS_MAIN_WINDOW (win)) {
 360                 if (!dimmed) {
 361                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 362                         if (dimmed)
 363                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 364                 }
 365                 if (!dimmed) {
 366                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 367                 }
 368                 if (!dimmed) {
 369                         dimmed = _already_opened_msg (win, &n_messages);
 370                         if (dimmed) {
 371                                 gchar *num = g_strdup_printf ("%d", n_messages);
 372                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 373 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 374                                 modest_dimming_rule_set_notification (rule, message);
 375                                 g_free(message);
 376                                 g_free(num);
 377                         }
 378                 }
 379                 if (!dimmed) {
 380                         dimmed = _marked_as_deleted (win);
 381                         if (dimmed)
 382                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 383                 }
 384                 if (!dimmed) {
 385                         dimmed = _selected_msg_sent_in_progress (win);
 386                         if (dimmed)
 387                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 388                 }
 389         }
 390         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 391                 if (!dimmed) {
 392                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 393                         if (dimmed) {
 394                                 gchar *num = g_strdup("1");
 395                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), "1");
 396 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 397                                 modest_dimming_rule_set_notification (rule, message);
 398                                 g_free(message);
 399                                 g_free(num);
 400                         }
 401                 }
 402         }
 403
 404         return dimmed;
 405 }
 406
 407 gboolean
 408 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 409 {
 410         ModestDimmingRule *rule = NULL;
 411         GtkWidget *header_view = NULL;
 412         gboolean dimmed = FALSE;
 413
 414         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 415         rule = MODEST_DIMMING_RULE (user_data);
 416
 417         /* main window dimming rules */
 418         if (MODEST_IS_MAIN_WINDOW(win)) {
 419
 420                 /* Check dimmed rule */
 421                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 422                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 423
 424                 /* If the header view has the focus: */
 425                 if (header_view && gtk_widget_is_focus (header_view)) {
 426                         /* Check dimmed rule */
 427                         if (!dimmed)
 428                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 429                 }
 430                 else {
 431                         /* If the folder view has the focus: */
 432                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 433                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 434                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 435                                 TnyFolderStore *folder_store
 436                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 437                                 if (folder_store) {
 438                                         /* Only enable for folders, not accounts,
 439                                          * though the UI spec is not clear about that.
 440                                          * If we enable this for accounts then we must
 441                                          * add code to handle them in modest_ui_actions_on_details(). */
 442                                         if (!TNY_IS_FOLDER(folder_store)) {
 443                                                 dimmed = TRUE;
 444                                                 modest_dimming_rule_set_notification (rule, "");
 445                                         }
 446
 447                                         g_object_unref (folder_store);
 448                                 }
 449                         }
 450
 451                 }
 452
 453         /* msg view window dimming rules */
 454         } else {
 455
 456                 /* Check dimmed rule */
 457                 if (!dimmed) {
 458                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
 459                         if (dimmed)
 460                                 modest_dimming_rule_set_notification (rule, "");
 461                 }
 462         }
 463
 464         return dimmed;
 465 }
 466
 467
 468 gboolean
 469 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 470 {
 471         ModestDimmingRule *rule = NULL;
 472         TnyHeaderFlags flags;
 473         gboolean dimmed = FALSE;
 474
 475         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 476         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 477         rule = MODEST_DIMMING_RULE (user_data);
 478
 479         flags = TNY_HEADER_FLAG_SEEN;
 480
 481         /* Check dimmed rule */
 482         if (!dimmed) {
 483                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 484         }
 485         if (!dimmed) {
 486                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 487                 if (dimmed)
 488                         modest_dimming_rule_set_notification (rule, "");
 489         }
 490
 491         return dimmed;
 492 }
 493
 494 gboolean
 495 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 496 {
 497         ModestDimmingRule *rule = NULL;
 498         TnyHeaderFlags flags;
 499         gboolean dimmed = FALSE;
 500
 501         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 502         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 503         rule = MODEST_DIMMING_RULE (user_data);
 504
 505         flags = TNY_HEADER_FLAG_SEEN;
 506
 507         /* Check dimmed rule */
 508         if (!dimmed)
 509                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 510         if (!dimmed) {
 511                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 512                 if (dimmed)
 513                         modest_dimming_rule_set_notification (rule, "");
 514         }
 515
 516         return dimmed;
 517 }
 518
 519 gboolean
 520 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 521 {
 522         ModestDimmingRule *rule = NULL;
 523         gboolean dimmed = FALSE;
 524
 525         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 526         rule = MODEST_DIMMING_RULE (user_data);
 527
 528         if (MODEST_IS_MAIN_WINDOW (win))
 529                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 530         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 531                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 532
 533         return dimmed;
 534 }
 535
 536
 537 gboolean
 538 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 539 {
 540         GtkWidget *folder_view = NULL;
 541         GtkWidget *header_view = NULL;
 542         ModestDimmingRule *rule = NULL;
 543         const gchar *message = NULL;
 544         gboolean dimmed = FALSE;
 545
 546         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 547         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 548         rule = MODEST_DIMMING_RULE (user_data);
 549
 550         /* Get the folder view */
 551         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 552                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 553
 554         /* Get header view */
 555         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 556                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 557
 558         /* Check diming rules for folders and messages transfer  */
 559         if (!dimmed) {
 560                 dimmed = _selected_folder_not_writeable(MODEST_MAIN_WINDOW(win));
 561                 if (dimmed) {
 562                         if (gtk_widget_is_focus (folder_view))
 563                                 message = _("mail_in_ui_folder_move_target_error");
 564                         else
 565                                 message = ngettext ("mail_in_ui_folder_move_target_error", "mail_in_ui_folder_move_targets_error",
 566                                                     modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1);
 567                 }
 568         }
 569         if (!dimmed) {
 570                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 571
 572         }
 573
 574         return dimmed;
 575 }
 576
 577 gboolean
 578 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 579 {
 580         ModestDimmingRule *rule = NULL;
 581         gboolean dimmed = FALSE;
 582
 583         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 584         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 585         rule = MODEST_DIMMING_RULE (user_data);
 586
 587         /* Check dimmed rule */
 588         if (!dimmed) {
 589                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
 590                 if (dimmed)
 591                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 592
 593         }
 594
 595         return dimmed;
 596 }
 597
 598 gboolean
 599 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 600 {
 601         ModestDimmingRule *rule = NULL;
 602         TnyFolderType types[3];
 603         gboolean dimmed = FALSE;
 604
 605         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 606         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 607         rule = MODEST_DIMMING_RULE (user_data);
 608
 609         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 610         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 611         types[2] = TNY_FOLDER_TYPE_SENT;
 612
 613         /* Check dimmed rule */
 614         if (!dimmed) {
 615                 dimmed = _clipboard_is_empty (win);
 616                 if (dimmed)
 617                         modest_dimming_rule_set_notification (rule, "");
 618         }
 619         if (!dimmed) {
 620                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 621                 if (dimmed)
 622                         modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_paste_here"));
 623         }
 624         if (!dimmed) {
 625                 dimmed = _selected_folder_is_same_as_source (win);
 626                 if (dimmed)
 627                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 628         }
 629
 630         return dimmed;
 631 }
 632
 633
 634 gboolean
 635 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 636 {
 637         ModestDimmingRule *rule = NULL;
 638         gboolean dimmed = FALSE;
 639
 640         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 641         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 642         rule = MODEST_DIMMING_RULE (user_data);
 643
 644         /* Check dimmed rule */
 645         if (!dimmed) {
 646                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 647                 if (dimmed)
 648                         modest_dimming_rule_set_notification (rule, "");
 649         }
 650
 651         return dimmed;
 652 }
 653
 654 gboolean
 655 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 656 {
 657         ModestDimmingRule *rule = NULL;
 658         gboolean dimmed = FALSE;
 659
 660         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 661         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 662         rule = MODEST_DIMMING_RULE (user_data);
 663
 664         /* Check dimmed rule */
 665         if (!dimmed)
 666                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 667
 668         return dimmed;
 669 }
 670
 671 gboolean
 672 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 673 {
 674         ModestDimmingRule *rule = NULL;
 675         gboolean dimmed = FALSE;
 676
 677         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 678         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 679         rule = MODEST_DIMMING_RULE (user_data);
 680
 681         /* Check dimmed rule */
 682         if (!dimmed)
 683                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 684
 685         return dimmed;
 686 }
 687
 688 gboolean
 689 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 690 {
 691         ModestDimmingRule *rule = NULL;
 692         gboolean dimmed = FALSE;
 693
 694         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 695         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 696         rule = MODEST_DIMMING_RULE (user_data);
 697
 698         /* Check dimmed rule */
 699         if (!dimmed) {
 700                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 701         }
 702         if (!dimmed) {
 703                 dimmed = _invalid_attachment_for_purge (win, rule);
 704         }
 705
 706
 707         return dimmed;
 708 }
 709
 710 gboolean
 711 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 712 {
 713         ModestDimmingRule *rule = NULL;
 714         gboolean dimmed = FALSE;
 715
 716         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 717         rule = MODEST_DIMMING_RULE (user_data);
 718
 719         /* Check dimmed rule */
 720         if (!dimmed) {
 721                 dimmed = _clipboard_is_empty (win);
 722                 if (dimmed)
 723                         modest_dimming_rule_set_notification (rule, "");
 724         }
 725
 726         return dimmed;
 727 }
 728
 729 gboolean
 730 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 731 {
 732         ModestDimmingRule *rule = NULL;
 733         gboolean dimmed = FALSE;
 734
 735         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 736         rule = MODEST_DIMMING_RULE (user_data);
 737
 738         /* Check common dimming rules */
 739         if (!dimmed) {
 740                 dimmed = _invalid_clipboard_selected (win, rule);
 741         }
 742
 743         /* Check window specific dimming rules */
 744         if (MODEST_IS_MAIN_WINDOW (win)) {
 745                 if (!dimmed) {
 746                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 747                         if (dimmed)
 748                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
 749                 }
 750                 if (!dimmed) {
 751                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 752                         if (dimmed)
 753                                 modest_dimming_rule_set_notification (rule, "");
 754                 }
 755                 if (!dimmed) {
 756                         dimmed = _selected_msg_sent_in_progress (win);
 757                         if (dimmed)
 758                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 759                 }
 760         }
 761
 762         return dimmed;
 763 }
 764
 765 gboolean
 766 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 767 {
 768         ModestDimmingRule *rule = NULL;
 769         gboolean dimmed = FALSE;
 770
 771         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 772         rule = MODEST_DIMMING_RULE (user_data);
 773
 774         /* Check common dimming rules */
 775         if (!dimmed) {
 776                 dimmed = _invalid_clipboard_selected (win, rule);
 777         }
 778
 779         /* Check window specific dimming rules */
 780         if (MODEST_IS_MAIN_WINDOW (win)) {
 781                 if (!dimmed) {
 782                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 783                         if (dimmed)
 784                                 modest_dimming_rule_set_notification (rule, "");
 785                 }
 786                 if (!dimmed) {
 787                         dimmed = _selected_msg_sent_in_progress (win);
 788                         if (dimmed)
 789                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 790                 }
 791         }
 792
 793         return dimmed;
 794 }
 795
 796 gboolean
 797 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 798 {
 799         ModestDimmingRule *rule = NULL;
 800         gboolean dimmed = FALSE;
 801
 802         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 803         rule = MODEST_DIMMING_RULE (user_data);
 804
 805         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 806
 807         /* Check dimmed rule */
 808         if (!dimmed) {
 809                 dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 810                 if (dimmed)
 811                         modest_dimming_rule_set_notification (rule, "");
 812         }
 813
 814         return dimmed;
 815 }
 816
 817 gboolean
 818 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 819 {
 820         ModestDimmingRule *rule = NULL;
 821         gboolean dimmed = FALSE;
 822
 823         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 824         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 825         rule = MODEST_DIMMING_RULE (user_data);
 826
 827         /* Check dimmed rule */
 828         if (!dimmed) {
 829                 dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 830                 if (dimmed)
 831                         modest_dimming_rule_set_notification (rule, "");
 832         }
 833
 834         return dimmed;
 835 }
 836
 837
 838 gboolean
 839 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
 840 {
 841         const gboolean dimmed =
 842                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 843                         TRUE);
 844
 845         return dimmed;
 846 }
 847
 848 gboolean
 849 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
 850 {
 851         gboolean dimmed = FALSE;
 852
 853         /* Check dimmed rule */
 854         if (!dimmed)
 855                 dimmed = !_sending_in_progress (win);
 856
 857         return dimmed;
 858 }
 859
 860 gboolean
 861 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
 862 {
 863         ModestDimmingRule *rule = NULL;
 864         gboolean dimmed = FALSE;
 865
 866         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 867         rule = MODEST_DIMMING_RULE (user_data);
 868
 869         /* Check dimmed rule */
 870         if (!dimmed) {
 871                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
 872                                                           TRUE);
 873                 if (dimmed)
 874                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
 875         }
 876
 877         return dimmed;
 878 }
 879
 880 gboolean
 881 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
 882 {
 883         ModestDimmingRule *rule = NULL;
 884         gboolean dimmed = FALSE;
 885
 886         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 887         rule = MODEST_DIMMING_RULE (user_data);
 888
 889         /* Check dimmed rule */
 890         if (!dimmed) {
 891                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
 892                 gchar *selection = NULL;
 893                 selection = gtk_clipboard_wait_for_text (clipboard);
 894
 895                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection)));
 896         }
 897
 898         return dimmed;
 899 }
 900
 901 /* *********************** static utility functions ******************** */
 902
 903 static gboolean
 904 _marked_as_deleted (ModestWindow *win)
 905 {
 906         gboolean result = FALSE;
 907         TnyHeaderFlags flags;
 908
 909         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 910
 911         flags = TNY_HEADER_FLAG_DELETED;
 912
 913         /* Check dimmed rule */
 914         result = _selected_msg_marked_as (win, flags, FALSE);
 915
 916         return result;
 917 }
 918
 919 static gboolean
 920 _selected_folder_not_writeable (ModestMainWindow *win)
 921 {
 922         GtkWidget *folder_view = NULL;
 923         TnyFolderStore *parent_folder = NULL;
 924         ModestTnyFolderRules rules;
 925         gboolean result = FALSE;
 926
 927         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 928
 929         /* Get folder view */
 930         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 931                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 932         /* If no folder view, always dimmed */
 933         if (!folder_view)
 934                 return TRUE;
 935
 936         /* Get selected folder as parent of new folder to create */
 937         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 938         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
 939                 if (parent_folder)
 940                         g_object_unref (parent_folder);
 941                 return TRUE;
 942         }
 943
 944         /* Check dimmed rule */
 945         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
 946         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
 947
 948         /* free */
 949         g_object_unref (parent_folder);
 950
 951         return result;
 952 }
 953
 954 static gboolean
 955 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
 956 {
 957         TnyFolderType types[2];
 958         gboolean result = FALSE;
 959
 960         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 961
 962         types[0] = TNY_FOLDER_TYPE_ROOT;
 963         types[1] = TNY_FOLDER_TYPE_INBOX;
 964
 965         /* Check folder type */
 966         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
 967
 968         /* Check pop and MMC accounts */
 969         if (!result) {
 970                 result = _selected_folder_is_MMC_or_POP_root (win);
 971         }
 972
 973         return result;
 974 }
 975
 976
 977 static gboolean
 978 _selected_folder_is_root (ModestMainWindow *win)
 979 {
 980         TnyFolderType types[1];
 981         gboolean result = FALSE;
 982
 983         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 984
 985         types[0] = TNY_FOLDER_TYPE_ROOT;
 986
 987         /* Check folder type */
 988         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
 989
 990         /* Check pop and MMC accounts */
 991         if (!result) {
 992                 result = _selected_folder_is_MMC_or_POP_root (win);
 993         }
 994
 995         return result;
 996 }
 997
 998 static gboolean
 999 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1000 {
1001         GtkWidget *folder_view = NULL;
1002         TnyFolderStore *parent_folder = NULL;
1003         gboolean result = FALSE;
1004
1005         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1006                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1007         /* Get selected folder as parent of new folder to create */
1008         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1009         if (!parent_folder)
1010                 return TRUE;
1011
1012         if (TNY_IS_ACCOUNT (parent_folder)) {
1013                 /* If it's the local account then do not dim */
1014                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1015                         result = FALSE;
1016                 } else {
1017                                 /* If it's the MMC root folder then dim it */
1018                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1019                                         result = TRUE;
1020                         } else {
1021                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1022                                 /* If it's POP then dim */
1023                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1024                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1025                         }
1026                 }
1027         }
1028         g_object_unref (parent_folder);
1029
1030         return result;
1031 }
1032
1033
1034
1035
1036 static gboolean
1037 _selected_folder_is_empty (ModestMainWindow *win)
1038 {
1039         GtkWidget *folder_view = NULL;
1040         TnyFolderStore *folder = NULL;
1041         gboolean result = FALSE;
1042
1043         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1044
1045         /* Get folder view */
1046         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1047                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1048         /* If no folder view, always dimmed */
1049         if (!folder_view)
1050                 return TRUE;
1051
1052         /* Get selected folder as parent of new folder to create */
1053         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1054         if (!(folder && TNY_IS_FOLDER(folder))) {
1055                 if (folder)
1056                         g_object_unref (folder);
1057                 return TRUE;
1058         }
1059
1060         /* Check folder type */
1061         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1062
1063         /* free */
1064         g_object_unref (folder);
1065
1066         return result;
1067 }
1068
1069 static gboolean
1070 _selected_folder_is_same_as_source (ModestWindow *win)
1071 {
1072         ModestEmailClipboard *clipboard = NULL;
1073         GtkWidget *folder_view = NULL;
1074         TnyFolderStore *folder = NULL;
1075         gboolean result = FALSE;
1076
1077         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1078
1079         /* Get folder view */
1080         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1081                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1082         if (!folder_view)
1083                 return FALSE;
1084
1085         /* Get selected folder as destination folder */
1086         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1087         if (!(folder && TNY_IS_FOLDER(folder))) {
1088                 result = FALSE;
1089                 goto frees;
1090         }
1091
1092         /* Check clipboard is cleared */
1093         clipboard = modest_runtime_get_email_clipboard ();
1094         if (modest_email_clipboard_cleared (clipboard)) {
1095                 result = FALSE;
1096                 goto frees;
1097         }
1098
1099         /* Check source folder */
1100         result = modest_email_clipboard_check_source_folder (clipboard,
1101                                                              (const TnyFolder *) folder);
1102
1103         /* Free */
1104  frees:
1105         g_object_unref (folder);
1106
1107         return result;
1108 }
1109
1110 static gboolean
1111 _selected_folder_is_any_of_type (ModestWindow *win,
1112                                  TnyFolderType types[],
1113                                  guint ntypes)
1114 {
1115         GtkWidget *folder_view = NULL;
1116         TnyFolderStore *folder = NULL;
1117         TnyFolderType folder_type;
1118         guint i=0;
1119         gboolean result = FALSE;
1120
1121         /*Get curent folder */
1122         if (MODEST_IS_MAIN_WINDOW(win)) {
1123
1124                 /* Get folder view */
1125                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1126                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1127                 /* If no folder view, always dimmed */
1128                 if (!folder_view)
1129                         return TRUE;
1130
1131                 /* Get selected folder as parent of new folder to create */
1132                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1133
1134                 if (!(folder && TNY_IS_FOLDER(folder))) {
1135                         if (folder)
1136                                 g_object_unref (folder);
1137                         return TRUE;
1138                 }
1139
1140                 /* Check folder type */
1141                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1142         }
1143         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1144                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1145                 for (i=0; i < ntypes; i++) {
1146                         result = result || folder_type == types[i];
1147                 }
1148         }
1149
1150
1151         /* free */
1152         g_object_unref (folder);
1153
1154         return result;
1155 }
1156
1157 static gboolean
1158 _folder_is_any_of_type (TnyFolder *folder,
1159                         TnyFolderType types[],
1160                         guint ntypes)
1161 {
1162         TnyFolderType folder_type;
1163         gboolean result = FALSE;
1164         guint i;
1165
1166         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1167
1168         /* Get folder type */
1169         if (modest_tny_folder_is_local_folder (folder))
1170                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1171         else
1172                 folder_type = modest_tny_folder_guess_folder_type (folder);
1173
1174         /* Check foler type */
1175         for (i=0; i < ntypes; i++) {
1176                 result = result || folder_type == types[i];
1177         }
1178
1179         return result;
1180 }
1181
1182 static gboolean
1183 _clipboard_is_empty (ModestWindow *win)
1184 {
1185         gboolean result = FALSE;
1186
1187         if (MODEST_IS_MAIN_WINDOW (win)) {
1188                 ModestEmailClipboard *clipboard = NULL;
1189                 clipboard = modest_runtime_get_email_clipboard ();
1190                 if (modest_email_clipboard_cleared (clipboard))
1191                  result = TRUE;
1192         }
1193
1194         return result;
1195 }
1196
1197 static gboolean
1198 _invalid_clipboard_selected (ModestWindow *win,
1199                        ModestDimmingRule *rule)
1200 {
1201         gboolean result = FALSE;
1202
1203         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1204                 GtkClipboard *clipboard = NULL;
1205                 gchar *selection = NULL;
1206                 GtkWidget *focused = NULL;
1207
1208                 /* Get clipboard selection*/
1209                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1210                 selection = gtk_clipboard_wait_for_text (clipboard);
1211
1212                 /* Get focuesed widget */
1213                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1214
1215                 /* Check dimming */
1216                 result = ((selection == NULL) ||
1217                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1218
1219                 if (result)
1220                         modest_dimming_rule_set_notification (rule, _(""));
1221         }
1222         else if (MODEST_IS_MAIN_WINDOW (win)) {
1223                 GtkWidget *header_view = NULL;
1224
1225                 /* Get header view to check selected messages */
1226                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1227                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1228
1229                 /* Check dimming */
1230                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1231                 if (result)
1232                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1233         }
1234
1235         return result;
1236 }
1237
1238
1239 static gboolean
1240 _invalid_attach_selected (ModestWindow *win,
1241                           gboolean unique,
1242                           gboolean for_view,
1243                           ModestDimmingRule *rule)
1244 {
1245         GList *attachments, *node;
1246         gint n_selected;
1247         TnyHeaderFlags flags;
1248         gboolean nested_attachments = FALSE;
1249         gboolean selected_messages = FALSE;
1250         gboolean result = FALSE;
1251
1252         if (MODEST_IS_MAIN_WINDOW (win)) {
1253                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1254                 if (!result)
1255                         result = _selected_msg_marked_as (win, flags, TRUE);
1256         }
1257         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1258
1259                 /* Get selected atachments */
1260                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1261                 n_selected = g_list_length (attachments);
1262
1263                 /* Check unique */
1264                 if (!result) {
1265                         if (unique)
1266                                 result = n_selected != 1;
1267                         else
1268
1269                                 result = n_selected < 1;
1270                 }
1271
1272                 /* Check attached type (view operation not required) */
1273                 if (!result && !for_view)  {
1274                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1275                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1276                                 TnyList *nested_list = tny_simple_list_new ();
1277                                 if (TNY_IS_MSG (mime_part)) {
1278                                         selected_messages = TRUE;
1279                                         result = TRUE;
1280                                 }
1281                                 tny_mime_part_get_parts (mime_part, nested_list);
1282                                 if (tny_list_get_length (nested_list) > 0) {
1283                                 nested_attachments = TRUE;
1284                                 result = TRUE;
1285                                 }
1286                                 g_object_unref (nested_list);
1287                         }
1288                 }
1289
1290                 /* Set notifications */
1291                 if (result && rule != NULL) {
1292                         if (selected_messages) {
1293                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1294                         } else if (nested_attachments) {
1295                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1296                         } else if (n_selected == 0) {
1297                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1298                         } else if (unique) {
1299                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1300                         }
1301                 }
1302
1303                 /* Free */
1304                 g_list_free (attachments);
1305         }
1306
1307         return result;
1308 }
1309
1310 static gboolean
1311 _invalid_msg_selected (ModestMainWindow *win,
1312                        gboolean unique,
1313                        ModestDimmingRule *rule)
1314 {
1315         GtkWidget *header_view = NULL;
1316         GtkWidget *folder_view = NULL;
1317         gboolean selected_headers = FALSE;
1318         gboolean result = FALSE;
1319
1320         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1321         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1322
1323         /* Get header view to check selected messages */
1324         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1325                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1326
1327         /* Get folder view to check focus */
1328         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1329                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1330
1331         /* Get selected headers */
1332         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1333
1334         /* Check dimmed rule (TODO: check focus on widgets */
1335         if (!result) {
1336                 result = ((!selected_headers) ||
1337                           (gtk_widget_is_focus (folder_view)));
1338                 if (result)
1339                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1340         }
1341         if (!result && unique) {
1342                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1343                 if (result)
1344                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1345         }
1346
1347         return result;
1348 }
1349
1350 static gboolean
1351 _already_opened_msg (ModestWindow *win,
1352                      guint *n_messages)
1353 {
1354         ModestWindow *window = NULL;
1355         ModestWindowMgr *mgr = NULL;
1356         GtkWidget *header_view = NULL;
1357         TnyList *selected_headers = NULL;
1358         TnyIterator *iter = NULL;
1359         TnyHeader *header = NULL;
1360         gboolean result = TRUE;
1361
1362         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1363
1364         /* Get header view to check selected messages */
1365         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1366                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1367
1368
1369         /* Check no selection */
1370         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1371             return FALSE;
1372
1373         /* Get selected headers */
1374         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1375         if (selected_headers == NULL)
1376                 return FALSE;
1377
1378         *n_messages = tny_list_get_length (selected_headers);
1379
1380         /* Check dimmed rule (TODO: check focus on widgets */
1381         mgr = modest_runtime_get_window_mgr ();
1382         iter = tny_list_create_iterator (selected_headers);
1383         while (!tny_iterator_is_done (iter) && result) {
1384                 header = TNY_HEADER (tny_iterator_get_current (iter));
1385                 window = modest_window_mgr_find_window_by_header (mgr, header);
1386                 result = result && (window != NULL);
1387
1388                 g_object_unref (header);
1389                 tny_iterator_next (iter);
1390         }
1391
1392         /* free */
1393         if (selected_headers != NULL)
1394                 g_object_unref (selected_headers);
1395         if (iter != NULL)
1396                 g_object_unref (iter);
1397
1398         return result;
1399 }
1400
1401 static gboolean
1402 _selected_msg_marked_as (ModestWindow *win,
1403                          TnyHeaderFlags mask,
1404                          gboolean opposite)
1405 {
1406         GtkWidget *header_view = NULL;
1407         TnyList *selected_headers = NULL;
1408         TnyIterator *iter = NULL;
1409         TnyHeader *header = NULL;
1410         TnyHeaderFlags flags;
1411         gboolean result = FALSE;
1412
1413         /* Get header view to check selected messages */
1414         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1415                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1416
1417         /* Check no selection */
1418         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1419             return TRUE;
1420
1421         /* Get selected headers */
1422         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1423         if (selected_headers == NULL)
1424                 return TRUE;
1425
1426         /* Call the function for each header */
1427         iter = tny_list_create_iterator (selected_headers);
1428         while (!tny_iterator_is_done (iter) && !result) {
1429                 header = TNY_HEADER (tny_iterator_get_current (iter));
1430
1431                 flags = tny_header_get_flags (header);
1432                 if (opposite)
1433                         result = (flags & mask) == 0;
1434                 else
1435                         result = (flags & mask) != 0;
1436
1437                 g_object_unref (header);
1438                 tny_iterator_next (iter);
1439         }
1440
1441         /* free */
1442         if (selected_headers != NULL)
1443                 g_object_unref (selected_headers);
1444         if (iter != NULL)
1445                 g_object_unref (iter);
1446
1447         return result;
1448 }
1449
1450 static gboolean
1451 _msg_download_in_progress (ModestMsgViewWindow *win)
1452 {
1453         gboolean result = FALSE;
1454
1455         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1456
1457         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1458
1459         return result;
1460 }
1461
1462 static gboolean
1463 _msg_download_completed (ModestMainWindow *win)
1464 {
1465         GtkWidget *header_view = NULL;
1466         TnyList *selected_headers = NULL;
1467         TnyIterator *iter = NULL;
1468         TnyHeader *header = NULL;
1469         TnyHeaderFlags flags;
1470         gboolean result = FALSE;
1471
1472         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1473
1474
1475         /* Get header view to check selected messages */
1476         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1477                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1478
1479         /* Check no selection */
1480         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1481             return TRUE;
1482
1483         /* Get selected headers */
1484         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1485         if (selected_headers == NULL)
1486                 return TRUE;
1487
1488         /* Check dimmed rule  */
1489         result = TRUE;
1490         iter = tny_list_create_iterator (selected_headers);
1491         while (!tny_iterator_is_done (iter) && result) {
1492                 header = TNY_HEADER (tny_iterator_get_current (iter));
1493
1494                 flags = tny_header_get_flags (header);
1495                 /* TODO: is this the right flag?, it seems that some
1496                    headers that have been previously downloaded do not
1497                    come with it */
1498                 result = (flags & TNY_HEADER_FLAG_CACHED);
1499
1500                 g_object_unref (header);
1501                 tny_iterator_next (iter);
1502         }
1503
1504         g_object_unref (iter);
1505
1506         return result;
1507 }
1508
1509 static gboolean
1510 _selected_msg_sent_in_progress (ModestWindow *win)
1511 {
1512         ModestTnySendQueue *send_queue = NULL;
1513         GtkWidget *header_view = NULL;
1514         ModestTnyAccountStore *acc_store = NULL;
1515         TnyAccount *account = NULL;
1516         TnyList *header_list = NULL;
1517         TnyIterator *iter = NULL;
1518         TnyHeader *header = NULL;
1519         const gchar *account_name = NULL;
1520         gboolean result = FALSE;
1521         gchar *id = NULL;
1522
1523         /* Get transport account */
1524         acc_store = modest_runtime_get_account_store();
1525         account_name = modest_window_get_active_account (win);
1526
1527         /* If no account defined, this action must be always dimmed  */
1528         if (account_name == NULL) return FALSE;
1529         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1530         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1531
1532         /* Get send queue for current ransport account */
1533         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1534         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1535
1536         if (MODEST_IS_MAIN_WINDOW(win)) {
1537
1538                 /* Get header view to check selected messages */
1539                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1540                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1541
1542                 /* Check no selection */
1543                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1544                     return FALSE;
1545
1546                 /* Get selected headers */
1547                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1548
1549                 /* Get message header */
1550                 if (!header_list) return FALSE;
1551                 iter = tny_list_create_iterator (header_list);
1552                 header = TNY_HEADER (tny_iterator_get_current (iter));
1553
1554                 /* Get message id */
1555                 id = g_strdup(tny_header_get_message_id (header));
1556
1557         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1558
1559                 /* Get message header */
1560                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1561
1562                 /* Get message id */
1563                 id = g_strdup(tny_header_get_message_id (header));
1564         }
1565
1566         /* Check if msg id is being processed inside send queue */
1567         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1568
1569         /* Free */
1570         g_free(id);
1571         g_object_unref (header);
1572         g_object_unref(header_list);
1573         g_object_unref(iter);
1574
1575         return result;
1576 }
1577
1578
1579 static gboolean
1580 _sending_in_progress (ModestWindow *win)
1581 {
1582         ModestTnySendQueue *send_queue = NULL;
1583         ModestTnyAccountStore *acc_store = NULL;
1584         TnyAccount *account = NULL;
1585         const gchar *account_name = NULL;
1586         gboolean result = FALSE;
1587
1588         /* Get transport account */
1589         acc_store = modest_runtime_get_account_store();
1590         account_name = modest_window_get_active_account (win);
1591
1592         /* If no account defined, this action must be always dimmed  */
1593         if (account_name == NULL) return FALSE;
1594         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1595         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1596
1597         /* Get send queue for current ransport account */
1598         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1599         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1600
1601         /* Check if send queue is perfimring any send operation */
1602         result = modest_tny_send_queue_sending_in_progress (send_queue);
1603
1604         return result;
1605 }
1606
1607 static gboolean
1608 _invalid_attachment_for_purge (ModestWindow *win,
1609                                ModestDimmingRule *rule)
1610 {
1611         TnyMsg *msg = NULL;
1612         TnyFolder *folder = NULL;
1613         TnyAccount *account = NULL;
1614         gboolean result = TRUE;
1615
1616         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1617
1618                 /* Get folder and account of message */
1619                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1620                 g_return_val_if_fail(msg != NULL, TRUE);
1621                 folder = tny_msg_get_folder (msg);
1622                 if (folder == NULL) {
1623                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1624                         goto frees;
1625                 }
1626                 account = modest_tny_folder_get_account (folder);
1627                 if (account == NULL) goto frees;
1628
1629                 /* Check account */
1630                 if (!modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1631                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1632                         /* If it's POP then dim */
1633                         if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1634                             MODEST_PROTOCOL_STORE_POP) {
1635                                 GList *attachments;
1636                                 gint n_selected;
1637                                 result = TRUE;
1638                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1639                                 n_selected = g_list_length (attachments);
1640                                 g_list_free (attachments);
1641
1642                                 modest_dimming_rule_set_notification (rule,
1643                                                                       ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1644                                                                                 "mail_ib_unable_to_pure_attach_pop_mail_plural",
1645                                                                                 n_selected));
1646                         }
1647                 }
1648         }
1649
1650  frees:
1651         if (msg != NULL)
1652                 g_object_unref (msg);
1653         if (folder != NULL)
1654                 g_object_unref (folder);
1655         if (account != NULL)
1656                 g_object_unref (account);
1657
1658         return result;
1659 }
1660