git.maemo.org Git - modest/blob - src/modest-ui-dimming-rules.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <string.h>
  35 #include "modest-ui-dimming-rules.h"
  36 #include "modest-dimming-rule.h"
  37 #include "modest-tny-folder.h"
  38 #include "modest-text-utils.h"
  39 #include <widgets/modest-attachments-view.h>
  40 #include <modest-runtime.h>
  41 #include <tny-simple-list.h>
  42
  43
  44 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
  45 static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
  46 static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
  47 static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
  48 static gboolean _clipboard_is_empty (ModestWindow *win);
  49 static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
  50 static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
  51 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
  52 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
  53 static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
  54 static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
  55 static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
  56 static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
  57 static gboolean _selected_folder_is_root (ModestMainWindow *win);
  58 static gboolean _selected_folder_is_empty (ModestMainWindow *win);
  59 static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
  60 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
  61 static gboolean _msg_download_completed (ModestMainWindow *win);
  62 static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
  63 static gboolean _sending_in_progress (ModestWindow *win);
  64 static gboolean _marked_as_deleted (ModestWindow *win);
  65 static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
  66 static gboolean _transfer_mode_enabled (ModestWindow *win);
  67
  68
  69 gboolean
  70 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
  71 {
  72         ModestDimmingRule *rule = NULL;
  73         gboolean dimmed = FALSE;
  74
  75         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
  76         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  77         rule = MODEST_DIMMING_RULE (user_data);
  78
  79         /* Check dimmed rule */
  80         if (!dimmed) {
  81                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
  82                         dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
  83                 if (dimmed)
  84                         modest_dimming_rule_set_notification (rule, "");
  85         }
  86
  87         return dimmed;
  88 }
  89
  90 gboolean
  91 modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
  92 {
  93         ModestDimmingRule *rule = NULL;
  94         gboolean dimmed = FALSE;
  95
  96         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
  97         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
  98         rule = MODEST_DIMMING_RULE (user_data);
  99
 100         /* Check common new folder menu item dimming rules */
 101         dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
 102
 103         /* Check CSM specific dimming rules */
 104         if (!dimmed) {
 105                 dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
 106                 if (dimmed)
 107                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 108         }
 109
 110         return dimmed;
 111 }
 112
 113 gboolean
 114 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 115 {
 116         ModestDimmingRule *rule = NULL;
 117         GtkWidget *folder_view = NULL;
 118         TnyFolderStore *parent_folder = NULL;
 119         gboolean dimmed = FALSE;
 120
 121         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 122         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 123         rule = MODEST_DIMMING_RULE (user_data);
 124
 125         /* Get selected folder as parent of new folder to create */
 126         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 127                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 128         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
 129         if (!parent_folder)
 130                 return TRUE;
 131
 132         if (TNY_IS_ACCOUNT (parent_folder)) {
 133                 /* If it's the local account then do not dim */
 134                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
 135                         dimmed = FALSE;
 136                 } else {
 137                         const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
 138                         /* If it's POP then dim */
 139                         dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
 140                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
 141                         if (dimmed)
 142                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 143                 }
 144         } else {
 145                 /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
 146
 147                 TnyFolderType types[3];
 148
 149                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 150                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 151                 types[2] = TNY_FOLDER_TYPE_SENT;
 152
 153                 /* Apply folder rules */
 154                 if (!dimmed) {
 155                         dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 156                         if (dimmed)
 157                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 158                 }
 159                 if (!dimmed) {
 160                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 161                         if (dimmed)
 162                                 modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
 163                 }
 164         }
 165         g_object_unref (parent_folder);
 166
 167         return dimmed;
 168 }
 169
 170 gboolean
 171 modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
 172 {
 173         ModestDimmingRule *rule = NULL;
 174         GtkWidget *folder_view = NULL;
 175         GtkWidget *header_view = NULL;
 176         gboolean dimmed = FALSE;
 177
 178         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 179         rule = MODEST_DIMMING_RULE (user_data);
 180
 181         if (MODEST_IS_MAIN_WINDOW (win)) {
 182                 /* Get the folder view */
 183                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 184                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
 185
 186                 /* Get header view */
 187                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 188                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 189
 190                 if (header_view && gtk_widget_is_focus (header_view))
 191                         dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
 192
 193                 if (folder_view && gtk_widget_is_focus (folder_view))
 194                         dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 195
 196                 if (header_view && folder_view &&
 197                     !gtk_widget_is_focus (header_view) &&
 198                     !gtk_widget_is_focus (folder_view)) {
 199                         dimmed = TRUE;
 200                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));
 201                 }
 202         } else {
 203                 dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
 204         }
 205
 206         return dimmed;
 207 }
 208
 209
 210
 211 gboolean
 212 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 213 {
 214         ModestDimmingRule *rule = NULL;
 215         TnyFolderType types[6];
 216         gboolean dimmed = FALSE;
 217
 218         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 219         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 220         rule = MODEST_DIMMING_RULE (user_data);
 221
 222         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 223         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 224         types[2] = TNY_FOLDER_TYPE_SENT;
 225         types[3] = TNY_FOLDER_TYPE_INBOX;
 226         types[4] = TNY_FOLDER_TYPE_ROOT;
 227         types[5] = TNY_FOLDER_TYPE_ARCHIVE;
 228
 229
 230         /* Check dimmed rule */
 231         if (!dimmed) {
 232                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 233                 if (dimmed)
 234                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 235         }
 236         if (!dimmed) {
 237                 dimmed = _selected_folder_is_any_of_type (win, types, 6);
 238                 if (dimmed)
 239                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 240         }
 241         if (!dimmed) {
 242                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 243                 if (dimmed)
 244                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 245         }
 246         if (!dimmed) {
 247                 dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
 248                 if (dimmed)
 249                         modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
 250         }
 251
 252         return dimmed;
 253 }
 254
 255 gboolean
 256 modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
 257 {
 258         ModestDimmingRule *rule = NULL;
 259         gboolean dimmed = FALSE;
 260
 261         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 262         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 263         rule = MODEST_DIMMING_RULE (user_data);
 264
 265         /* Check dimmed rule */
 266         if (!dimmed) {
 267                 dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
 268                 if (dimmed)
 269                         modest_dimming_rule_set_notification (rule, "");
 270         }
 271
 272         return dimmed;
 273
 274 }
 275
 276 gboolean
 277 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 278 {
 279         ModestDimmingRule *rule = NULL;
 280         TnyFolderType types[3];
 281         gboolean dimmed = FALSE;
 282
 283         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 284         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 285         rule = MODEST_DIMMING_RULE (user_data);
 286
 287         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 288         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 289         types[2] = TNY_FOLDER_TYPE_SENT;
 290
 291         /* Check dimmed rule */
 292         if (!dimmed) {
 293                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 294                 if (dimmed)
 295                         modest_dimming_rule_set_notification (rule, "");
 296         }
 297         if (!dimmed) {
 298                 dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
 299                 if (dimmed)
 300                         modest_dimming_rule_set_notification (rule, "");
 301         }
 302         if (!dimmed) {
 303                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 304                 if (dimmed)
 305                         modest_dimming_rule_set_notification (rule, "");
 306         }
 307
 308         return dimmed;
 309 }
 310
 311 gboolean
 312 modest_ui_dimming_rules_on_open_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), TRUE, user_data);
 324         }
 325         if (!dimmed) {
 326                 dimmed = _marked_as_deleted (win);
 327                 if (dimmed)
 328                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 329         }
 330         if (!dimmed) {
 331                 dimmed = _selected_msg_sent_in_progress (win);
 332                 if (dimmed)
 333                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
 334         }
 335
 336         return dimmed;
 337 }
 338
 339 gboolean
 340 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 341 {
 342         ModestDimmingRule *rule = NULL;
 343         gboolean dimmed = FALSE;
 344         TnyFolderType types[3];
 345
 346         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 347         rule = MODEST_DIMMING_RULE (user_data);
 348
 349         /* main window dimming rules */
 350         if (MODEST_IS_MAIN_WINDOW(win)) {
 351
 352                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
 353                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
 354                 types[2] = TNY_FOLDER_TYPE_ROOT;
 355
 356                 /* Check dimmed rule */
 357                 if (!dimmed) {
 358                         dimmed = _selected_folder_is_any_of_type (win, types, 3);
 359                         if (dimmed)
 360                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
 361                 }
 362                 if (!dimmed) {
 363                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 364                         if (dimmed)
 365                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
 366                 }
 367                 if (!dimmed) {
 368                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 369                 }
 370         /* msg view window dimming rules */
 371         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
 372
 373                 /* Check dimmed rule */
 374                 if (!dimmed) {
 375                         dimmed = _transfer_mode_enabled (win);
 376                         if (dimmed)
 377                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 378                 }
 379                 if (!dimmed) {
 380                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 381                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 382                         if (dimmed)
 383                                 modest_dimming_rule_set_notification (rule, "");
 384                 }
 385         }
 386
 387         return dimmed;
 388 }
 389
 390
 391 gboolean
 392 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 393 {
 394         ModestDimmingRule *rule = NULL;
 395         gboolean dimmed = FALSE;
 396
 397         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 398         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 399         rule = MODEST_DIMMING_RULE (user_data);
 400
 401         /* Check dimmed rule */
 402         if (!dimmed) {
 403                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 404         }
 405         if (!dimmed) {
 406                 dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
 407                 if (dimmed)
 408                         modest_dimming_rule_set_notification (rule, "");
 409         }
 410
 411         return dimmed;
 412 }
 413
 414 gboolean
 415 modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 416 {
 417         gboolean dimmed = FALSE;
 418
 419         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 420
 421         /* Check dimmed rule */
 422         if (!dimmed)
 423                 dimmed = TRUE;
 424
 425         return dimmed;
 426 }
 427
 428 gboolean
 429 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 430 {
 431         ModestDimmingRule *rule = NULL;
 432         guint n_messages = 0;
 433         gboolean dimmed = FALSE;
 434
 435         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 436         rule = MODEST_DIMMING_RULE (user_data);
 437
 438         /* Check dimmed rule */
 439         if (MODEST_IS_MAIN_WINDOW (win)) {
 440                 if (!dimmed) {
 441                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 442                         if (dimmed)
 443                                 modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
 444                 }
 445                 if (!dimmed) {
 446                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 447                 }
 448                 if (!dimmed) {
 449                         dimmed = _already_opened_msg (win, &n_messages);
 450                         if (dimmed) {
 451                                 gchar *num = g_strdup_printf ("%d", n_messages);
 452                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 453 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 454                                 modest_dimming_rule_set_notification (rule, message);
 455                                 g_free(message);
 456                                 g_free(num);
 457                         }
 458                 }
 459                 if (!dimmed) {
 460                         dimmed = _marked_as_deleted (win);
 461                         if (dimmed)
 462                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
 463                 }
 464                 if (!dimmed) {
 465                         dimmed = _selected_msg_sent_in_progress (win);
 466                         if (dimmed)
 467                                 modest_dimming_rule_set_notification (rule, _("ckct_ib_unable_to_delete]"));
 468                 }
 469         }
 470         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
 471                 if (!dimmed) {
 472                         dimmed = _transfer_mode_enabled (win);
 473                         if (dimmed)
 474                                 modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 475                 }
 476                 if (!dimmed) {
 477                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 478                                 dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 479                         if (dimmed) {
 480                                 gchar *num = g_strdup("1");
 481                                 gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
 482 /*                              modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
 483                                 modest_dimming_rule_set_notification (rule, message);
 484                                 g_free(message);
 485                                 g_free(num);
 486                         }
 487                 }
 488         }
 489
 490         return dimmed;
 491 }
 492
 493 gboolean
 494 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 495 {
 496         ModestDimmingRule *rule = NULL;
 497         GtkWidget *header_view = NULL;
 498         gboolean dimmed = FALSE;
 499
 500         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 501         rule = MODEST_DIMMING_RULE (user_data);
 502
 503         /* main window dimming rules */
 504         if (MODEST_IS_MAIN_WINDOW(win)) {
 505
 506                 /* Check dimmed rule */
 507                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 508                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
 509
 510                 /* If the header view has the focus: */
 511                 if (header_view && gtk_widget_is_focus (header_view)) {
 512                         /* Check dimmed rule */
 513                         if (!dimmed)
 514                                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 515                 }
 516                 else {
 517                         /* If the folder view has the focus: */
 518                         GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 519                                 MODEST_WIDGET_TYPE_FOLDER_VIEW);
 520                         if (folder_view && gtk_widget_is_focus (folder_view)) {
 521                                 TnyFolderStore *folder_store
 522                                         = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 523                                 if (folder_store) {
 524                                         /* Only enable for folders, not accounts,
 525                                          * though the UI spec is not clear about that.
 526                                          * If we enable this for accounts then we must
 527                                          * add code to handle them in modest_ui_actions_on_details(). */
 528                                         if (!TNY_IS_FOLDER(folder_store)) {
 529                                                 dimmed = TRUE;
 530                                                 modest_dimming_rule_set_notification (rule, "");
 531                                         }
 532
 533                                         g_object_unref (folder_store);
 534                                 }
 535                         }
 536
 537                 }
 538
 539         /* msg view window dimming rules */
 540         } else {
 541
 542                 /* Check dimmed rule */
 543                 if (!dimmed) {
 544                         if (MODEST_IS_MSG_VIEW_WINDOW (win))
 545                                 dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
 546                         if (dimmed)
 547                                 modest_dimming_rule_set_notification (rule, "");
 548                 }
 549         }
 550
 551         return dimmed;
 552 }
 553
 554
 555 gboolean
 556 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 557 {
 558         ModestDimmingRule *rule = NULL;
 559         TnyHeaderFlags flags;
 560         gboolean dimmed = FALSE;
 561
 562         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 563         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 564         rule = MODEST_DIMMING_RULE (user_data);
 565
 566         flags = TNY_HEADER_FLAG_SEEN;
 567
 568         /* Check dimmed rule */
 569         if (!dimmed) {
 570                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 571         }
 572         if (!dimmed) {
 573                 dimmed = _selected_msg_marked_as (win, flags, FALSE);
 574                 if (dimmed)
 575                         modest_dimming_rule_set_notification (rule, "");
 576         }
 577
 578         return dimmed;
 579 }
 580
 581 gboolean
 582 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 583 {
 584         ModestDimmingRule *rule = NULL;
 585         TnyHeaderFlags flags;
 586         gboolean dimmed = FALSE;
 587
 588         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 589         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 590         rule = MODEST_DIMMING_RULE (user_data);
 591
 592         flags = TNY_HEADER_FLAG_SEEN;
 593
 594         /* Check dimmed rule */
 595         if (!dimmed)
 596                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 597         if (!dimmed) {
 598                 dimmed = _selected_msg_marked_as (win, flags, TRUE);
 599                 if (dimmed)
 600                         modest_dimming_rule_set_notification (rule, "");
 601         }
 602
 603         return dimmed;
 604 }
 605
 606 gboolean
 607 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 608 {
 609         ModestDimmingRule *rule = NULL;
 610         gboolean dimmed = FALSE;
 611
 612         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 613         rule = MODEST_DIMMING_RULE (user_data);
 614
 615         if (MODEST_IS_MAIN_WINDOW (win))
 616                 dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
 617         else if (MODEST_IS_MSG_VIEW_WINDOW (win))
 618                  dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 619
 620         return dimmed;
 621 }
 622
 623
 624 gboolean
 625 modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user_data)
 626 {
 627         GtkWidget *folder_view = NULL;
 628         GtkWidget *header_view = NULL;
 629         ModestDimmingRule *rule = NULL;
 630         guint n_messages = 0;
 631         gboolean dimmed = FALSE;
 632
 633         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
 634         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 635         rule = MODEST_DIMMING_RULE (user_data);
 636
 637         /* Get the folder view */
 638         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 639                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
 640
 641         /* Get header view */
 642         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
 643                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
 644
 645         /* Check diming rules for folders and messages transfer  */
 646         if (!dimmed) {
 647                 dimmed = _already_opened_msg (win, &n_messages);
 648                 if (dimmed) {
 649                         gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
 650                         modest_dimming_rule_set_notification (rule, message);
 651                         g_free(message);
 652                 }
 653         }
 654         if (!dimmed) {
 655                 if (!gtk_widget_is_focus (folder_view))
 656                         dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 657
 658         }
 659
 660         return dimmed;
 661 }
 662
 663 gboolean
 664 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 665 {
 666         ModestDimmingRule *rule = NULL;
 667         gboolean dimmed = FALSE;
 668
 669         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 670         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 671         rule = MODEST_DIMMING_RULE (user_data);
 672
 673         /* Check dimmed rule */
 674         if (!dimmed) {
 675                 dimmed = _transfer_mode_enabled (win);
 676                 if (dimmed)
 677                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 678         }
 679         if (!dimmed) {
 680                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 681                         dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
 682                 if (dimmed)
 683                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
 684         }
 685
 686         return dimmed;
 687 }
 688
 689 gboolean
 690 modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 691 {
 692         ModestDimmingRule *rule = NULL;
 693         gboolean dimmed = FALSE;
 694
 695         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 696         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 697         rule = MODEST_DIMMING_RULE (user_data);
 698
 699         /* Check dimmed rule */
 700         if (!dimmed) {
 701                 dimmed = _transfer_mode_enabled (win);
 702                 if (dimmed)
 703                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 704         }
 705
 706         return dimmed;
 707 }
 708
 709 gboolean
 710 modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 711 {
 712         ModestDimmingRule *rule = NULL;
 713         TnyFolderType types[3];
 714         gboolean dimmed = FALSE;
 715
 716         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 717         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 718         rule = MODEST_DIMMING_RULE (user_data);
 719
 720         types[0] = TNY_FOLDER_TYPE_DRAFTS;
 721         types[1] = TNY_FOLDER_TYPE_OUTBOX;
 722         types[2] = TNY_FOLDER_TYPE_SENT;
 723
 724         /* Check dimmed rule */
 725         if (!dimmed) {
 726                 dimmed = _clipboard_is_empty (win);
 727                 if (dimmed)
 728                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
 729         }
 730         if (!dimmed) {
 731                 dimmed = _selected_folder_is_any_of_type (win, types, 3);
 732                 if (dimmed)
 733                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 734         }
 735         if (!dimmed) {
 736                 dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
 737                 if (dimmed) {
 738                         modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
 739                 }
 740         }
 741         if (!dimmed) {
 742                 dimmed = _selected_folder_is_same_as_source (win);
 743                 if (dimmed)
 744                         modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
 745         }
 746
 747         return dimmed;
 748 }
 749
 750
 751 gboolean
 752 modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 753 {
 754         ModestDimmingRule *rule = NULL;
 755         gboolean dimmed = FALSE;
 756
 757         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
 758         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 759         rule = MODEST_DIMMING_RULE (user_data);
 760
 761         /* Check dimmed rule */
 762         if (!dimmed) {
 763                 dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 764                 if (dimmed)
 765                         modest_dimming_rule_set_notification (rule, "");
 766         }
 767
 768         return dimmed;
 769 }
 770
 771 gboolean
 772 modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 773 {
 774         ModestDimmingRule *rule = NULL;
 775         gboolean dimmed = FALSE;
 776
 777         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 778         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 779         rule = MODEST_DIMMING_RULE (user_data);
 780
 781         /* Check dimmed rule */
 782         if (!dimmed)
 783                 dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);
 784
 785         if (!dimmed) {
 786                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 787                 if (dimmed) {
 788                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 789                 }
 790         }
 791
 792         return dimmed;
 793 }
 794
 795 gboolean
 796 modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 797 {
 798         ModestDimmingRule *rule = NULL;
 799         gboolean dimmed = FALSE;
 800
 801         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 802         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 803         rule = MODEST_DIMMING_RULE (user_data);
 804
 805         /* Check dimmed rule */
 806         if (!dimmed)
 807                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);
 808
 809         if (!dimmed) {
 810                 dimmed = _purged_attach_selected (win, FALSE, NULL);
 811                 if (dimmed) {
 812                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 813                 }
 814         }
 815
 816         return dimmed;
 817 }
 818
 819 gboolean
 820 modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
 821 {
 822         ModestDimmingRule *rule = NULL;
 823         gboolean dimmed = FALSE;
 824
 825         g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
 826         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 827         rule = MODEST_DIMMING_RULE (user_data);
 828
 829         /* Check in main window if there's only one message selected */
 830         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 831                 dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
 832         }
 833
 834         /* Check in view window if there's any attachment selected */
 835         if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
 836                 dimmed = _invalid_attach_selected (win, FALSE, FALSE, NULL);
 837                 if (dimmed)
 838                         modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
 839         }
 840
 841         /* cannot purge in editable drafts nor pop folders */
 842         if (!dimmed) {
 843                 dimmed = _invalid_folder_for_purge (win, rule);
 844         }
 845
 846         /* Check if the selected message in main window has attachments */
 847         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 848                 dimmed = _selected_msg_marked_as (win, TNY_HEADER_FLAG_ATTACHMENTS, TRUE);
 849                 if (dimmed)
 850                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
 851         }
 852
 853         /* Check if all attachments are already purged */
 854         if (!dimmed) {
 855                 dimmed = _purged_attach_selected (win, TRUE, rule);
 856         }
 857
 858         /* Check if the message is already downloaded */
 859         if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
 860                 dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
 861                 if (dimmed)
 862                         modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
 863         }
 864
 865
 866         return dimmed;
 867 }
 868
 869 gboolean
 870 modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
 871 {
 872         ModestDimmingRule *rule = NULL;
 873         gboolean dimmed = FALSE;
 874
 875         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 876         rule = MODEST_DIMMING_RULE (user_data);
 877
 878         /* Check dimmed rule */
 879         if (!dimmed) {
 880                 dimmed = _clipboard_is_empty (win);
 881                 if (dimmed)
 882                         modest_dimming_rule_set_notification (rule, "");
 883         }
 884
 885         return dimmed;
 886 }
 887
 888 gboolean
 889 modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
 890 {
 891         ModestDimmingRule *rule = NULL;
 892         gboolean dimmed = FALSE;
 893
 894         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 895         rule = MODEST_DIMMING_RULE (user_data);
 896
 897         /* Check common dimming rules */
 898         if (!dimmed) {
 899                 dimmed = _invalid_clipboard_selected (win, rule);
 900         }
 901
 902         /* Check window specific dimming rules */
 903         if (MODEST_IS_MAIN_WINDOW (win)) {
 904                 if (!dimmed) {
 905                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 906                         if (dimmed)
 907                                 modest_dimming_rule_set_notification (rule, "");
 908                 }
 909                 if (!dimmed) {
 910                         dimmed = _selected_msg_sent_in_progress (win);
 911                         if (dimmed)
 912                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 913                 }
 914         }
 915
 916         return dimmed;
 917 }
 918
 919 gboolean
 920 modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
 921 {
 922         ModestDimmingRule *rule = NULL;
 923         gboolean dimmed = FALSE;
 924
 925         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 926         rule = MODEST_DIMMING_RULE (user_data);
 927
 928         /* Check common dimming rules */
 929         if (!dimmed) {
 930                 dimmed = _invalid_clipboard_selected (win, rule);
 931         }
 932
 933         /* Check window specific dimming rules */
 934         if (MODEST_IS_MAIN_WINDOW (win)) {
 935                 if (!dimmed) {
 936                         dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
 937                         if (dimmed)
 938                                 modest_dimming_rule_set_notification (rule, "");
 939                 }
 940                 if (!dimmed) {
 941                         dimmed = _selected_msg_sent_in_progress (win);
 942                         if (dimmed)
 943                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
 944                 }
 945         }
 946
 947         return dimmed;
 948 }
 949
 950 gboolean
 951 modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
 952 {
 953         ModestDimmingRule *rule = NULL;
 954         gboolean dimmed = FALSE;
 955
 956         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 957         rule = MODEST_DIMMING_RULE (user_data);
 958
 959         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 960
 961         /* Check dimmed rule */
 962         if (!dimmed) {
 963                 dimmed = _transfer_mode_enabled (win);
 964                 if (dimmed)
 965                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 966         }
 967         if (!dimmed) {
 968                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 969                         dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
 970 /*              if (dimmed) */
 971 /*                      modest_dimming_rule_set_notification (rule, ""); */
 972         }
 973
 974         return dimmed;
 975 }
 976
 977 gboolean
 978 modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
 979 {
 980         ModestDimmingRule *rule = NULL;
 981         gboolean dimmed = FALSE;
 982
 983         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
 984         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
 985         rule = MODEST_DIMMING_RULE (user_data);
 986
 987         /* Check dimmed rule */
 988         if (!dimmed) {
 989                 dimmed = _transfer_mode_enabled (win);
 990                 if (dimmed)
 991                         modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
 992         }
 993         if (!dimmed) {
 994                 if (MODEST_IS_MSG_VIEW_WINDOW (win))
 995                         dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
 996 /*              if (dimmed) */
 997 /*                      modest_dimming_rule_set_notification (rule, ""); */
 998         }
 999
1000         return dimmed;
1001 }
1002
1003
1004 gboolean
1005 modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
1006 {
1007         const gboolean dimmed =
1008                 !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1009                         TRUE);
1010
1011         return dimmed;
1012 }
1013
1014 gboolean
1015 modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
1016 {
1017         ModestDimmingRule *rule = NULL;
1018         TnyFolderType types[1];
1019         guint n_messages = 0;
1020         gboolean dimmed = FALSE;
1021
1022         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1023         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1024         rule = MODEST_DIMMING_RULE (user_data);
1025
1026         types[0] = TNY_FOLDER_TYPE_OUTBOX;
1027
1028         /* Check dimmed rules */
1029         if (!dimmed) {
1030                 dimmed = _already_opened_msg (win, &n_messages);
1031                 if (dimmed)
1032                         modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
1033         }
1034         if (!dimmed) {
1035                 dimmed = !_selected_folder_is_any_of_type (win, types, 1);
1036                 if (dimmed)
1037                         modest_dimming_rule_set_notification (rule, "");
1038         }
1039         if (!dimmed) {
1040                 dimmed = !_sending_in_progress (win);
1041                 if (dimmed)
1042                         modest_dimming_rule_set_notification (rule, "");
1043         }
1044
1045         return dimmed;
1046 }
1047
1048 gboolean
1049 modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
1050 {
1051         ModestDimmingRule *rule = NULL;
1052         gboolean dimmed = FALSE;
1053
1054         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1055         rule = MODEST_DIMMING_RULE (user_data);
1056
1057         /* Check dimmed rule */
1058         if (!dimmed) {
1059                 dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(),
1060                                                           TRUE);
1061                 if (dimmed)
1062                         modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
1063         }
1064
1065         return dimmed;
1066 }
1067
1068 gboolean
1069 modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
1070 {
1071         ModestDimmingRule *rule = NULL;
1072         gboolean dimmed = FALSE;
1073
1074         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
1075         rule = MODEST_DIMMING_RULE (user_data);
1076
1077         /* Check dimmed rule */
1078         if (!dimmed) {
1079                 GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1080                 gchar *selection = NULL;
1081                 selection = gtk_clipboard_wait_for_text (clipboard);
1082
1083                 dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
1084         }
1085
1086         return dimmed;
1087 }
1088
1089 /* *********************** static utility functions ******************** */
1090
1091 static gboolean
1092 _marked_as_deleted (ModestWindow *win)
1093 {
1094         gboolean result = FALSE;
1095         TnyHeaderFlags flags;
1096
1097         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1098
1099         flags = TNY_HEADER_FLAG_DELETED;
1100
1101         /* Check dimmed rule */
1102         result = _selected_msg_marked_as (win, flags, FALSE);
1103
1104         return result;
1105 }
1106
1107 static gboolean
1108 _selected_folder_not_writeable (ModestMainWindow *win)
1109 {
1110         GtkWidget *folder_view = NULL;
1111         TnyFolderStore *parent_folder = NULL;
1112         ModestTnyFolderRules rules;
1113         gboolean result = FALSE;
1114
1115         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1116
1117         /* Get folder view */
1118         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1119                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1120         /* If no folder view, always dimmed */
1121         if (!folder_view)
1122                 return TRUE;
1123
1124         /* Get selected folder as parent of new folder to create */
1125         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1126         if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
1127                 if (parent_folder)
1128                         g_object_unref (parent_folder);
1129                 return TRUE;
1130         }
1131
1132         /* Check dimmed rule */
1133         rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
1134         result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1135
1136         /* free */
1137         g_object_unref (parent_folder);
1138
1139         return result;
1140 }
1141
1142 static gboolean
1143 _selected_folder_is_root_or_inbox (ModestMainWindow *win)
1144 {
1145         TnyFolderType types[2];
1146         gboolean result = FALSE;
1147
1148         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1149
1150         types[0] = TNY_FOLDER_TYPE_ROOT;
1151         types[1] = TNY_FOLDER_TYPE_INBOX;
1152
1153         /* Check folder type */
1154         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
1155
1156         /* Check pop and MMC accounts */
1157         if (!result) {
1158                 result = _selected_folder_is_MMC_or_POP_root (win);
1159         }
1160
1161         return result;
1162 }
1163
1164
1165 static gboolean
1166 _selected_folder_is_root (ModestMainWindow *win)
1167 {
1168         TnyFolderType types[1];
1169         gboolean result = FALSE;
1170
1171         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1172
1173         types[0] = TNY_FOLDER_TYPE_ROOT;
1174
1175         /* Check folder type */
1176         result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
1177
1178         /* Check pop and MMC accounts */
1179         if (!result) {
1180                 result = _selected_folder_is_MMC_or_POP_root (win);
1181         }
1182
1183         return result;
1184 }
1185
1186 static gboolean
1187 _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
1188 {
1189         GtkWidget *folder_view = NULL;
1190         TnyFolderStore *parent_folder = NULL;
1191         gboolean result = FALSE;
1192
1193         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1194                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1195         /* Get selected folder as parent of new folder to create */
1196         parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1197         if (!parent_folder)
1198                 return TRUE;
1199
1200         if (TNY_IS_ACCOUNT (parent_folder)) {
1201                 /* If it's the local account then do not dim */
1202                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1203                         result = FALSE;
1204                 } else {
1205                                 /* If it's the MMC root folder then dim it */
1206                         if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
1207                                         result = TRUE;
1208                         } else {
1209                                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
1210                                 /* If it's POP then dim */
1211                                 result = (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1212                                                   MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
1213                         }
1214                 }
1215         }
1216         g_object_unref (parent_folder);
1217
1218         return result;
1219 }
1220
1221
1222 static gboolean
1223 _selected_folder_is_empty (ModestMainWindow *win)
1224 {
1225         GtkWidget *folder_view = NULL;
1226         TnyFolderStore *folder = NULL;
1227         gboolean result = FALSE;
1228
1229         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1230
1231         /* Get folder view */
1232         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1233                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1234         /* If no folder view, always dimmed */
1235         if (!folder_view)
1236                 return TRUE;
1237
1238         /* Get selected folder as parent of new folder to create */
1239         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1240         if (!(folder && TNY_IS_FOLDER(folder))) {
1241                 if (folder)
1242                         g_object_unref (folder);
1243                 return TRUE;
1244         }
1245
1246         /* Check folder type */
1247         result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
1248
1249         /* free */
1250         g_object_unref (folder);
1251
1252         return result;
1253 }
1254
1255 static gboolean
1256 _selected_folder_is_same_as_source (ModestWindow *win)
1257 {
1258         ModestEmailClipboard *clipboard = NULL;
1259         GtkWidget *folder_view = NULL;
1260         TnyFolderStore *folder = NULL;
1261         gboolean result = FALSE;
1262
1263         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1264
1265         /* Get folder view */
1266         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1267                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1268         if (!folder_view)
1269                 return FALSE;
1270
1271         /* Get selected folder as destination folder */
1272         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1273         if (!(folder && TNY_IS_FOLDER(folder))) {
1274                 result = FALSE;
1275                 goto frees;
1276         }
1277
1278         /* Check clipboard is cleared */
1279         clipboard = modest_runtime_get_email_clipboard ();
1280         if (modest_email_clipboard_cleared (clipboard)) {
1281                 result = FALSE;
1282                 goto frees;
1283         }
1284
1285         /* Check source folder */
1286         result = modest_email_clipboard_check_source_folder (clipboard,
1287                                                              (const TnyFolder *) folder);
1288
1289         /* Free */
1290  frees:
1291         g_object_unref (folder);
1292
1293         return result;
1294 }
1295
1296 static gboolean
1297 _selected_folder_is_any_of_type (ModestWindow *win,
1298                                  TnyFolderType types[],
1299                                  guint ntypes)
1300 {
1301         GtkWidget *folder_view = NULL;
1302         TnyFolderStore *folder = NULL;
1303         TnyFolderType folder_type;
1304         guint i=0;
1305         gboolean result = FALSE;
1306
1307         /*Get curent folder */
1308         if (MODEST_IS_MAIN_WINDOW(win)) {
1309
1310                 /* Get folder view */
1311                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1312                                                                    MODEST_WIDGET_TYPE_FOLDER_VIEW);
1313                 /* If no folder view, always dimmed */
1314                 if (!folder_view)
1315                         return FALSE;
1316
1317                 /* Get selected folder as parent of new folder to create */
1318                 folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1319
1320                 if (!(folder && TNY_IS_FOLDER(folder))) {
1321                         if (folder)
1322                                 g_object_unref (folder);
1323                         return FALSE;
1324                 }
1325
1326                 /* Check folder type */
1327                 result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
1328         }
1329         else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1330                 folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
1331                 for (i=0; i < ntypes; i++) {
1332                         result = result || folder_type == types[i];
1333                 }
1334         }
1335
1336
1337         /* free */
1338         g_object_unref (folder);
1339
1340         return result;
1341 }
1342
1343 static gboolean
1344 _folder_is_any_of_type (TnyFolder *folder,
1345                         TnyFolderType types[],
1346                         guint ntypes)
1347 {
1348         TnyFolderType folder_type;
1349         gboolean result = FALSE;
1350         guint i;
1351
1352         g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
1353
1354         /* Get folder type */
1355         if (modest_tny_folder_is_local_folder (folder))
1356                 folder_type = modest_tny_folder_get_local_folder_type (folder);
1357         else
1358                 folder_type = modest_tny_folder_guess_folder_type (folder);
1359
1360         /* Check foler type */
1361         for (i=0; i < ntypes; i++) {
1362                 result = result || folder_type == types[i];
1363         }
1364
1365         return result;
1366 }
1367
1368 static gboolean
1369 _selected_folder_is_snd_level (ModestMainWindow *win)
1370 {
1371         GtkWidget *folder_view = NULL;
1372         GtkTreeSelection *sel = NULL;
1373         GtkTreeModel *model = NULL;
1374         GtkTreePath *path = NULL;
1375         GtkTreeIter iter;
1376         TnyFolderStore *folder = NULL;
1377         gboolean result = FALSE;
1378
1379         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
1380
1381         /*Get curent folder */
1382         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1383                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1384         /* If no folder view, always dimmed */
1385         if (!folder_view)
1386                 goto frees;
1387
1388         /* Get selected folder as parent of new folder to create */
1389         folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
1390         if (!(folder && TNY_IS_FOLDER(folder))) {
1391                 goto frees;
1392         }
1393
1394         /* Check folder level */
1395         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
1396         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
1397                 goto frees;
1398         path = gtk_tree_model_get_path (model, &iter);
1399         result = gtk_tree_path_get_depth (path) > 2;
1400
1401  frees:
1402         if (folder != NULL)
1403                 g_object_unref (folder);
1404         if (path != NULL)
1405                 gtk_tree_path_free (path);
1406
1407         return result;
1408
1409 }
1410
1411 static gboolean
1412 _clipboard_is_empty (ModestWindow *win)
1413 {
1414         gboolean result = FALSE;
1415
1416         if (MODEST_IS_MAIN_WINDOW (win)) {
1417                 ModestEmailClipboard *clipboard = NULL;
1418                 clipboard = modest_runtime_get_email_clipboard ();
1419                 if (modest_email_clipboard_cleared (clipboard))
1420                  result = TRUE;
1421         }
1422
1423         return result;
1424 }
1425
1426 static gboolean
1427 _invalid_clipboard_selected (ModestWindow *win,
1428                        ModestDimmingRule *rule)
1429 {
1430         gboolean result = FALSE;
1431
1432         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1433                 GtkClipboard *clipboard = NULL;
1434                 gchar *selection = NULL;
1435                 GtkWidget *focused = NULL;
1436
1437                 /* Get clipboard selection*/
1438                 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
1439                 selection = gtk_clipboard_wait_for_text (clipboard);
1440
1441                 /* Get focuesed widget */
1442                 focused = gtk_window_get_focus (GTK_WINDOW (win));
1443
1444                 /* Check dimming */
1445                 result = ((selection == NULL) ||
1446                           (MODEST_IS_ATTACHMENTS_VIEW (focused)));
1447
1448                 if (result)
1449                         modest_dimming_rule_set_notification (rule, "");
1450         }
1451         else if (MODEST_IS_MAIN_WINDOW (win)) {
1452                 GtkWidget *header_view = NULL;
1453
1454                 /* Get header view to check selected messages */
1455                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1456                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1457
1458                 /* Check dimming */
1459                 result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1460                 if (result)
1461                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1462         }
1463
1464         return result;
1465 }
1466
1467
1468 static gboolean
1469 _invalid_attach_selected (ModestWindow *win,
1470                           gboolean unique,
1471                           gboolean for_view,
1472                           ModestDimmingRule *rule)
1473 {
1474         GList *attachments, *node;
1475         gint n_selected;
1476         TnyHeaderFlags flags;
1477         gboolean nested_attachments = FALSE;
1478         gboolean selected_messages = FALSE;
1479         gboolean result = FALSE;
1480
1481         if (MODEST_IS_MAIN_WINDOW (win)) {
1482                 flags = TNY_HEADER_FLAG_ATTACHMENTS;
1483                 if (!result)
1484                         result = _selected_msg_marked_as (win, flags, TRUE);
1485         }
1486         else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1487
1488                 /* Get selected atachments */
1489                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1490                 n_selected = g_list_length (attachments);
1491
1492                 /* Check unique */
1493                 if (!result) {
1494                         if (unique)
1495                                 result = n_selected != 1;
1496                         else
1497
1498                                 result = n_selected < 1;
1499                 }
1500
1501                 /* Check attached type (view operation not required) */
1502                 if (!result && !for_view)  {
1503                         for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
1504                                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1505                                 TnyList *nested_list = tny_simple_list_new ();
1506                                 if (TNY_IS_MSG (mime_part)) {
1507                                         selected_messages = TRUE;
1508                                         result = TRUE;
1509                                 }
1510                                 tny_mime_part_get_parts (mime_part, nested_list);
1511                                 if (tny_list_get_length (nested_list) > 0) {
1512                                 nested_attachments = TRUE;
1513                                 result = TRUE;
1514                                 }
1515                                 g_object_unref (nested_list);
1516                         }
1517                 }
1518
1519                 /* Set notifications */
1520                 if (result && rule != NULL) {
1521                         if (selected_messages) {
1522                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
1523                         } else if (nested_attachments) {
1524                                 modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
1525                         } else if (n_selected == 0) {
1526                                 modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
1527                         } else if (unique) {
1528                                 modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
1529                         }
1530                 }
1531
1532                 /* Free */
1533                 g_list_free (attachments);
1534         }
1535
1536         return result;
1537 }
1538
1539 static gboolean
1540 _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule)
1541 {
1542         GList *attachments = NULL, *node;
1543         gint purged = 0;
1544         gint n_attachments = 0;
1545         gboolean result = FALSE;
1546
1547         /* This should check if _all_ the attachments are already purged. If only some
1548          * of them are purged, then it does not cause dim as there's a confirmation dialog
1549          * for removing only local attachments */
1550
1551         /* Get selected atachments */
1552         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1553                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1554         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1555                 /* If we're in main window, we won't know if there are already purged attachments */
1556                 return FALSE;
1557         }
1558
1559         if (attachments == NULL)
1560                 return FALSE;
1561
1562         for (node = attachments; node != NULL; node = g_list_next (node)) {
1563                 TnyMimePart *mime_part = TNY_MIME_PART (node->data);
1564                 if (tny_mime_part_is_purged (mime_part)) {
1565                         purged++;
1566                 }
1567                 n_attachments++;
1568         }
1569
1570         /* Free */
1571         g_list_free (attachments);
1572
1573         if (all)
1574                 result = (purged == n_attachments);
1575         else
1576                 result = (purged > 0);
1577
1578         if (result && (rule != NULL))
1579                 modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
1580
1581         return result;
1582 }
1583
1584 static gboolean
1585 _invalid_msg_selected (ModestMainWindow *win,
1586                        gboolean unique,
1587                        ModestDimmingRule *rule)
1588 {
1589         GtkWidget *header_view = NULL;
1590         GtkWidget *folder_view = NULL;
1591         gboolean selected_headers = FALSE;
1592         gboolean result = FALSE;
1593
1594         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1595         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
1596
1597         /* Get header view to check selected messages */
1598         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1599                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1600
1601         /* Get folder view to check focus */
1602         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1603                                                            MODEST_WIDGET_TYPE_FOLDER_VIEW);
1604
1605         /* Get selected headers */
1606         selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
1607
1608         /* Check dimmed rule (TODO: check focus on widgets */
1609         if (!result) {
1610                 result = ((!selected_headers) ||
1611                           (gtk_widget_is_focus (folder_view)));
1612                 if (result)
1613                         modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
1614         }
1615         if (!result && unique) {
1616                 result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
1617                 if (result)
1618                         modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
1619         }
1620
1621         return result;
1622 }
1623
1624 static gboolean
1625 _already_opened_msg (ModestWindow *win,
1626                      guint *n_messages)
1627 {
1628         //ModestWindow *window = NULL;
1629         ModestWindowMgr *mgr = NULL;
1630         GtkWidget *header_view = NULL;
1631         TnyList *selected_headers = NULL;
1632         TnyIterator *iter = NULL;
1633         TnyHeader *header = NULL;
1634         gboolean found;
1635
1636         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
1637
1638         /* Get header view to check selected messages */
1639         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1640                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1641
1642
1643         /* Check no selection */
1644         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1645             return FALSE;
1646
1647         /* Get selected headers */
1648         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1649         if (selected_headers == NULL)
1650                 return FALSE;
1651
1652         *n_messages = tny_list_get_length (selected_headers);
1653
1654         /* Check dimmed rule (TODO: check focus on widgets */
1655         mgr = modest_runtime_get_window_mgr ();
1656         iter = tny_list_create_iterator (selected_headers);
1657         found = FALSE;
1658         while (!tny_iterator_is_done (iter)) {
1659                 header = TNY_HEADER (tny_iterator_get_current (iter));
1660                 found = modest_window_mgr_find_registered_header (mgr,header, NULL);
1661
1662                 g_object_unref (header);
1663                 tny_iterator_next (iter);
1664
1665                 if (found)
1666                         break;
1667         }
1668
1669         /* free */
1670         if (selected_headers != NULL)
1671                 g_object_unref (selected_headers);
1672         if (iter != NULL)
1673                 g_object_unref (iter);
1674
1675         return found;
1676 }
1677
1678 static gboolean
1679 _selected_msg_marked_as (ModestWindow *win,
1680                          TnyHeaderFlags mask,
1681                          gboolean opposite)
1682 {
1683         GtkWidget *header_view = NULL;
1684         TnyList *selected_headers = NULL;
1685         TnyIterator *iter = NULL;
1686         TnyHeader *header = NULL;
1687         TnyHeaderFlags flags;
1688         gboolean result = FALSE;
1689
1690         /* Get header view to check selected messages */
1691         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1692                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1693
1694         /* Check no selection */
1695         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1696             return TRUE;
1697
1698         /* Get selected headers */
1699         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1700         if (selected_headers == NULL)
1701                 return TRUE;
1702
1703         /* Call the function for each header */
1704         iter = tny_list_create_iterator (selected_headers);
1705         while (!tny_iterator_is_done (iter) && !result) {
1706                 header = TNY_HEADER (tny_iterator_get_current (iter));
1707
1708                 flags = tny_header_get_flags (header);
1709                 if (opposite)
1710                         result = (flags & mask) == 0;
1711                 else
1712                         result = (flags & mask) != 0;
1713
1714                 g_object_unref (header);
1715                 tny_iterator_next (iter);
1716         }
1717
1718         /* free */
1719         if (selected_headers != NULL)
1720                 g_object_unref (selected_headers);
1721         if (iter != NULL)
1722                 g_object_unref (iter);
1723
1724         return result;
1725 }
1726
1727 static gboolean
1728 _msg_download_in_progress (ModestMsgViewWindow *win)
1729 {
1730         gboolean result = FALSE;
1731
1732         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1733
1734         result = modest_msg_view_window_toolbar_on_transfer_mode (win);
1735
1736         return result;
1737 }
1738
1739 static gboolean
1740 _msg_download_completed (ModestMainWindow *win)
1741 {
1742         GtkWidget *header_view = NULL;
1743         TnyList *selected_headers = NULL;
1744         TnyIterator *iter = NULL;
1745         TnyHeader *header = NULL;
1746         TnyHeaderFlags flags;
1747         gboolean result = FALSE;
1748
1749         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1750
1751
1752         /* Get header view to check selected messages */
1753         header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1754                                                            MODEST_WIDGET_TYPE_HEADER_VIEW);
1755
1756         /* Check no selection */
1757         if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1758             return TRUE;
1759
1760         /* Get selected headers */
1761         selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1762         if (selected_headers == NULL)
1763                 return TRUE;
1764
1765         /* Check dimmed rule  */
1766         result = TRUE;
1767         iter = tny_list_create_iterator (selected_headers);
1768         while (!tny_iterator_is_done (iter) && result) {
1769                 header = TNY_HEADER (tny_iterator_get_current (iter));
1770
1771                 flags = tny_header_get_flags (header);
1772                 /* TODO: is this the right flag?, it seems that some
1773                    headers that have been previously downloaded do not
1774                    come with it */
1775                 result = (flags & TNY_HEADER_FLAG_CACHED);
1776
1777                 g_object_unref (header);
1778                 tny_iterator_next (iter);
1779         }
1780
1781         g_object_unref (iter);
1782
1783         return result;
1784 }
1785
1786 static gboolean
1787 _selected_msg_sent_in_progress (ModestWindow *win)
1788 {
1789         ModestTnySendQueue *send_queue = NULL;
1790         GtkWidget *header_view = NULL;
1791         ModestTnyAccountStore *acc_store = NULL;
1792         TnyAccount *account = NULL;
1793         TnyList *header_list = NULL;
1794         TnyIterator *iter = NULL;
1795         TnyHeader *header = NULL;
1796         const gchar *account_name = NULL;
1797         gboolean result = FALSE;
1798         gchar *id = NULL;
1799
1800         /* Get transport account */
1801         acc_store = modest_runtime_get_account_store();
1802         account_name = modest_window_get_active_account (win);
1803
1804         /* If no account defined, this action must be always dimmed  */
1805         if (account_name == NULL) return FALSE;
1806         account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
1807         if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
1808
1809         /* Get send queue for current ransport account */
1810         send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
1811         g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
1812
1813         if (MODEST_IS_MAIN_WINDOW(win)) {
1814
1815                 /* Get header view to check selected messages */
1816                 header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
1817                                                                    MODEST_WIDGET_TYPE_HEADER_VIEW);
1818
1819                 /* Check no selection */
1820                 if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
1821                     return FALSE;
1822
1823                 /* Get selected headers */
1824                 header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
1825
1826                 /* Get message header */
1827                 if (!header_list) return FALSE;
1828                 iter = tny_list_create_iterator (header_list);
1829                 header = TNY_HEADER (tny_iterator_get_current (iter));
1830
1831                 /* Get message id */
1832                 id = g_strdup(tny_header_get_message_id (header));
1833
1834         } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
1835
1836                 /* Get message header */
1837                 header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
1838
1839                 /* Get message id */
1840                 id = g_strdup(tny_header_get_message_id (header));
1841         }
1842
1843         /* Check if msg id is being processed inside send queue */
1844         result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
1845
1846         /* Free */
1847         g_free(id);
1848         g_object_unref (header);
1849         g_object_unref(header_list);
1850         g_object_unref(iter);
1851
1852         return result;
1853 }
1854
1855
1856 static gboolean
1857 _sending_in_progress (ModestWindow *win)
1858 {
1859         gboolean result = FALSE;
1860
1861         g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
1862
1863         /* Check if send operation is in progress */
1864         result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
1865
1866         return result;
1867 }
1868
1869 static gboolean
1870 _invalid_folder_for_purge (ModestWindow *win,
1871                            ModestDimmingRule *rule)
1872 {
1873         TnyMsg *msg = NULL;
1874         TnyFolder *folder = NULL;
1875         TnyAccount *account = NULL;
1876         gboolean result = FALSE;
1877
1878         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1879
1880                 /* Get folder and account of message */
1881                 msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
1882                 g_return_val_if_fail(msg != NULL, TRUE);
1883                 folder = tny_msg_get_folder (msg);
1884                 if (folder == NULL) {
1885                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1886                         goto frees;
1887                 }
1888                 g_object_unref (msg);
1889         } else if (MODEST_IS_MAIN_WINDOW (win)) {
1890                 GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
1891                                                                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
1892                 if (!folder_view)
1893                         return FALSE;
1894                 folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
1895                 if (folder == NULL || ! TNY_IS_FOLDER (folder))
1896                         return FALSE;
1897                 g_object_ref (folder);
1898
1899         } else {
1900                 g_return_val_if_reached (FALSE);
1901         }
1902         account = modest_tny_folder_get_account (folder);
1903         if (account == NULL) goto frees;
1904
1905         /* Check account */
1906         if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
1907                 TnyFolderType types[2];
1908                 types[0] = TNY_FOLDER_TYPE_DRAFTS;
1909                 types[1] = TNY_FOLDER_TYPE_OUTBOX;
1910
1911                 if (_selected_folder_is_any_of_type (win, types, 2)) {
1912                         result = TRUE;
1913                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
1914                 } else {
1915                         /* We're currently disabling purge in any local store */
1916                         result = TRUE;
1917                         modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
1918                 }
1919         } else {
1920                 const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
1921                 /* If it's POP then dim */
1922                 if (modest_protocol_info_get_transport_store_protocol (proto_str) ==
1923                     MODEST_PROTOCOL_STORE_POP) {
1924                         GList *attachments = NULL;
1925                         gint n_selected = 0;
1926                         result = TRUE;
1927
1928                         /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
1929                          * murrayc */
1930                         if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
1931                                 attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
1932                                 n_selected = g_list_length (attachments);
1933                                 g_list_free (attachments);
1934                         }
1935
1936                         modest_dimming_rule_set_notification (rule,
1937                                                               ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
1938                                                                         "mail_ib_unable_to_pure_attach_pop_mail_plural",
1939                                                                         n_selected));
1940                 }
1941         }
1942
1943 frees:
1944         if (folder != NULL)
1945                 g_object_unref (folder);
1946         if (account != NULL)
1947                 g_object_unref (account);
1948
1949         return result;
1950 }
1951
1952 static gboolean
1953 _transfer_mode_enabled (ModestWindow *win)
1954 {
1955         gboolean result = FALSE;
1956
1957         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
1958
1959         /* Check dimming */
1960         result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
1961
1962         return result;
1963 }