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