evolution-3.6.4/modules/mail/e-mail-shell-view.c

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   1 /*
   2  * e-mail-shell-view.c
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with the program; if not, see <http://www.gnu.org/licenses/>
  16  *
  17  *
  18  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
  19  *
  20  */
  21 
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25 
  26 #include "e-mail-shell-view-private.h"
  27 #include "filter/e-filter-input.h"
  28 
  29 static gpointer parent_class;
  30 static GType mail_shell_view_type;
  31 
  32 /* ETable spec for search results */
  33 static const gchar *SEARCH_RESULTS_STATE =
  34 "<ETableState>"
  35 "  <column source=\"0\"/>"
  36 "  <column source=\"3\"/>"
  37 "  <column source=\"1\"/>"
  38 "  <column source=\"14\"/>"
  39 "  <column source=\"5\"/>"
  40 "  <column source=\"7\"/>"
  41 "  <column source=\"13\"/>"
  42 "  <grouping>"
  43 "    <leaf column=\"7\" ascending=\"false\"/>"
  44 "  </grouping>"
  45 "</ETableState>";
  46 
  47 static void
  48 add_folders_from_store (GList **folders,
  49                         CamelStore *store,
  50                         GCancellable *cancellable,
  51                         GError **error)
  52 {
  53 	CamelFolderInfo *root, *fi;
  54 
  55 	g_return_if_fail (folders != NULL);
  56 	g_return_if_fail (store != NULL);
  57 
  58 	if (CAMEL_IS_VEE_STORE (store))
  59 		return;
  60 
  61 	root = camel_store_get_folder_info_sync (
  62 		store, NULL,
  63 		CAMEL_STORE_FOLDER_INFO_RECURSIVE, cancellable, error);
  64 	fi = root;
  65 	while (fi && !g_cancellable_is_cancelled (cancellable)) {
  66 		CamelFolderInfo *next;
  67 
  68 		if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0) {
  69 			CamelFolder *fldr;
  70 
  71 			fldr = camel_store_get_folder_sync (
  72 				store, fi->full_name, 0, cancellable, error);
  73 			if (fldr) {
  74 				if (CAMEL_IS_VEE_FOLDER (fldr)) {
  75 					g_object_unref (fldr);
  76 				} else {
  77 					*folders = g_list_prepend (*folders, fldr);
  78 				}
  79 			}
  80 		}
  81 
  82 		/* pick the next */
  83 		next = fi->child;
  84 		if (!next)
  85 			next = fi->next;
  86 		if (!next) {
  87 			next = fi->parent;
  88 			while (next) {
  89 				if (next->next) {
  90 					next = next->next;
  91 					break;
  92 				}
  93 
  94 				next = next->parent;
  95 			}
  96 		}
  97 
  98 		fi = next;
  99 	}
 100 
 101 	if (root)
 102 		camel_store_free_folder_info_full (store, root);
 103 }
 104 
 105 typedef struct {
 106 	MailMsg base;
 107 
 108 	CamelFolder *folder;
 109 	GCancellable *cancellable;
 110 	GList *stores_list;
 111 } SearchResultsMsg;
 112 
 113 static gchar *
 114 search_results_desc (SearchResultsMsg *msg)
 115 {
 116 	return g_strdup (_("Searching"));
 117 }
 118 
 119 static void
 120 search_results_exec (SearchResultsMsg *msg,
 121                      GCancellable *cancellable,
 122                      GError **error)
 123 {
 124 	GList *folders = NULL, *iter;
 125 
 126 	for (iter = msg->stores_list; iter && !g_cancellable_is_cancelled (cancellable); iter = iter->next) {
 127 		CamelStore *store = iter->data;
 128 
 129 		add_folders_from_store (&folders, store, cancellable, error);
 130 	}
 131 
 132 	if (!g_cancellable_is_cancelled (cancellable)) {
 133 		CamelVeeFolder *vfolder = CAMEL_VEE_FOLDER (msg->folder);
 134 
 135 		folders = g_list_reverse (folders);
 136 
 137 		camel_vee_folder_set_folders (vfolder, folders, cancellable);
 138 	}
 139 
 140 	g_list_free_full (folders, g_object_unref);
 141 }
 142 
 143 static void
 144 search_results_done (SearchResultsMsg *msg)
 145 {
 146 }
 147 
 148 static void
 149 search_results_free (SearchResultsMsg *msg)
 150 {
 151 	g_object_unref (msg->folder);
 152 	g_list_free_full (msg->stores_list, g_object_unref);
 153 }
 154 
 155 static MailMsgInfo search_results_setup_info = {
 156 	sizeof (SearchResultsMsg),
 157 	(MailMsgDescFunc) search_results_desc,
 158 	(MailMsgExecFunc) search_results_exec,
 159 	(MailMsgDoneFunc) search_results_done,
 160 	(MailMsgFreeFunc) search_results_free
 161 };
 162 
 163 static gint
 164 mail_shell_view_setup_search_results_folder (CamelFolder *folder,
 165                                              GList *stores,
 166                                              GCancellable *cancellable)
 167 {
 168 	SearchResultsMsg *msg;
 169 	gint id;
 170 
 171 	g_object_ref (folder);
 172 
 173 	msg = mail_msg_new (&search_results_setup_info);
 174 	msg->folder = folder;
 175 	msg->cancellable = cancellable;
 176 	msg->stores_list = stores;
 177 
 178 	id = msg->base.seq;
 179 	mail_msg_slow_ordered_push (msg);
 180 
 181 	return id;
 182 }
 183 
 184 static void
 185 mail_shell_view_show_search_results_folder (EMailShellView *mail_shell_view,
 186                                             CamelFolder *folder)
 187 {
 188 	EMailShellContent *mail_shell_content;
 189 	GtkWidget *message_list;
 190 	EMailView *mail_view;
 191 	EMailReader *reader;
 192 	GalViewInstance *view_instance;
 193 
 194 	mail_shell_content = mail_shell_view->priv->mail_shell_content;
 195 	mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);
 196 	reader = E_MAIL_READER (mail_view);
 197 
 198 	message_list = e_mail_reader_get_message_list (reader);
 199 
 200 	message_list_freeze (MESSAGE_LIST (message_list));
 201 
 202 	e_mail_reader_set_folder (reader, folder);
 203 	view_instance = e_mail_view_get_view_instance (mail_view);
 204 
 205 	if (!view_instance || !gal_view_instance_exists (view_instance))
 206 		e_tree_set_state (E_TREE (message_list), SEARCH_RESULTS_STATE);
 207 
 208 	message_list_thaw (MESSAGE_LIST (message_list));
 209 }
 210 
 211 static void
 212 mail_shell_view_dispose (GObject *object)
 213 {
 214 	e_mail_shell_view_private_dispose (E_MAIL_SHELL_VIEW (object));
 215 
 216 	/* Chain up to parent's dispose() method. */
 217 	G_OBJECT_CLASS (parent_class)->dispose (object);
 218 }
 219 
 220 static void
 221 mail_shell_view_finalize (GObject *object)
 222 {
 223 	e_mail_shell_view_private_finalize (E_MAIL_SHELL_VIEW (object));
 224 
 225 	/* Chain up to parent's finalize() method. */
 226 	G_OBJECT_CLASS (parent_class)->finalize (object);
 227 }
 228 
 229 static void
 230 mail_shell_view_constructed (GObject *object)
 231 {
 232 	/* Chain up to parent's constructed() method. */
 233 	G_OBJECT_CLASS (parent_class)->constructed (object);
 234 
 235 	e_mail_shell_view_private_constructed (E_MAIL_SHELL_VIEW (object));
 236 }
 237 
 238 static void
 239 mail_shell_view_toggled (EShellView *shell_view)
 240 {
 241 	EMailShellViewPrivate *priv;
 242 	EShellWindow *shell_window;
 243 	GtkUIManager *ui_manager;
 244 	const gchar *basename;
 245 	gboolean view_is_active;
 246 
 247 	priv = E_MAIL_SHELL_VIEW_GET_PRIVATE (shell_view);
 248 
 249 	shell_window = e_shell_view_get_shell_window (shell_view);
 250 	ui_manager = e_shell_window_get_ui_manager (shell_window);
 251 	view_is_active = e_shell_view_is_active (shell_view);
 252 	basename = E_MAIL_READER_UI_DEFINITION;
 253 
 254 	if (view_is_active && priv->merge_id == 0) {
 255 		EMailView *mail_view;
 256 
 257 		priv->merge_id = e_ui_manager_add_ui_from_file (
 258 			E_UI_MANAGER (ui_manager), basename);
 259 		mail_view = e_mail_shell_content_get_mail_view (
 260 			priv->mail_shell_content);
 261 		e_mail_reader_create_charset_menu (
 262 			E_MAIL_READER (mail_view),
 263 			ui_manager, priv->merge_id);
 264 	} else if (!view_is_active && priv->merge_id != 0) {
 265 		gtk_ui_manager_remove_ui (ui_manager, priv->merge_id);
 266 		gtk_ui_manager_ensure_update (ui_manager);
 267 		priv->merge_id = 0;
 268 	}
 269 
 270 	/* Chain up to parent's toggled() method. */
 271 	E_SHELL_VIEW_CLASS (parent_class)->toggled (shell_view);
 272 }
 273 
 274 static void
 275 mail_shell_view_execute_search (EShellView *shell_view)
 276 {
 277 	EMailShellViewPrivate *priv;
 278 	EMailShellContent *mail_shell_content;
 279 	EMailShellSidebar *mail_shell_sidebar;
 280 	EShellWindow *shell_window;
 281 	EShellBackend *shell_backend;
 282 	EShellContent *shell_content;
 283 	EShellSidebar *shell_sidebar;
 284 	EShellSearchbar *searchbar;
 285 	EActionComboBox *combo_box;
 286 	EMailBackend *backend;
 287 	EMailSession *session;
 288 	ESourceRegistry *registry;
 289 	EMFolderTree *folder_tree;
 290 	GtkWidget *message_list;
 291 	EFilterRule *rule;
 292 	EMailReader *reader;
 293 	EMailView *mail_view;
 294 	CamelVeeFolder *search_folder;
 295 	CamelFolder *folder;
 296 	CamelService *service;
 297 	CamelStore *store;
 298 	GtkAction *action;
 299 	EMailLabelListStore *label_store;
 300 	GtkTreePath *path;
 301 	GtkTreeIter tree_iter;
 302 	GString *string;
 303 	GList *list, *iter;
 304 	GSList *search_strings = NULL;
 305 	const gchar *text;
 306 	gboolean valid;
 307 	gchar *query;
 308 	gchar *temp;
 309 	gchar *tag;
 310 	const gchar *use_tag;
 311 	gint value;
 312 
 313 	priv = E_MAIL_SHELL_VIEW_GET_PRIVATE (shell_view);
 314 
 315 	shell_window = e_shell_view_get_shell_window (shell_view);
 316 	shell_backend = e_shell_view_get_shell_backend (shell_view);
 317 	shell_content = e_shell_view_get_shell_content (shell_view);
 318 	shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
 319 
 320 	backend = E_MAIL_BACKEND (shell_backend);
 321 	session = e_mail_backend_get_session (backend);
 322 
 323 	mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);
 324 	mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);
 325 	searchbar = e_mail_shell_content_get_searchbar (mail_shell_content);
 326 
 327 	mail_shell_sidebar = E_MAIL_SHELL_SIDEBAR (shell_sidebar);
 328 	folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);
 329 
 330 	reader = E_MAIL_READER (mail_view);
 331 	folder = e_mail_reader_get_folder (reader);
 332 	message_list = e_mail_reader_get_message_list (reader);
 333 
 334 	registry = e_mail_session_get_registry (session);
 335 	label_store = e_mail_ui_session_get_label_store (E_MAIL_UI_SESSION (session));
 336 
 337 	action = ACTION (MAIL_SEARCH_SUBJECT_OR_ADDRESSES_CONTAIN);
 338 	value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
 339 
 340 	text = e_shell_searchbar_get_search_text (searchbar);
 341 	if (value == MAIL_SEARCH_ADVANCED || text == NULL || *text == '\0') {
 342 		if (value != MAIL_SEARCH_ADVANCED)
 343 			e_shell_view_set_search_rule (shell_view, NULL);
 344 
 345 		query = e_shell_view_get_search_query (shell_view);
 346 
 347 		if (!query)
 348 			query = g_strdup ("");
 349 
 350 		goto filter;
 351 	}
 352 
 353 	/* Replace variables in the selected rule with the
 354 	 * current search text and extract a query string. */
 355 
 356 	g_return_if_fail (value >= 0 && value < MAIL_NUM_SEARCH_RULES);
 357 	rule = priv->search_rules[value];
 358 
 359 	/* Set the search rule in EShellView so that "Create
 360 	 * Search Folder from Search" works for quick searches. */
 361 	e_shell_view_set_search_rule (shell_view, rule);
 362 
 363 	for (iter = rule->parts; iter != NULL; iter = iter->next) {
 364 		EFilterPart *part = iter->data;
 365 		EFilterElement *element = NULL;
 366 
 367 		if (strcmp (part->name, "subject") == 0)
 368 			element = e_filter_part_find_element (part, "subject");
 369 		else if (strcmp (part->name, "body") == 0)
 370 			element = e_filter_part_find_element (part, "word");
 371 		else if (strcmp (part->name, "sender") == 0)
 372 			element = e_filter_part_find_element (part, "sender");
 373 		else if (strcmp (part->name, "to") == 0)
 374 			element = e_filter_part_find_element (part, "recipient");
 375 
 376 		if (strcmp (part->name, "body") == 0) {
 377 			struct _camel_search_words *words;
 378 			gint ii;
 379 
 380 			words = camel_search_words_split ((guchar *) text);
 381 			for (ii = 0; ii < words->len; ii++)
 382 				search_strings = g_slist_prepend (
 383 					search_strings, g_strdup (
 384 					words->words[ii]->word));
 385 			camel_search_words_free (words);
 386 		}
 387 
 388 		if (element != NULL) {
 389 			EFilterInput *input = E_FILTER_INPUT (element);
 390 			e_filter_input_set_value (input, text);
 391 		}
 392 	}
 393 
 394 	string = g_string_sized_new (1024);
 395 	e_filter_rule_build_code (rule, string);
 396 	query = g_string_free (string, FALSE);
 397 
 398 filter:
 399 
 400 	/* Apply selected filter. */
 401 
 402 	combo_box = e_shell_searchbar_get_filter_combo_box (searchbar);
 403 	value = e_action_combo_box_get_current_value (combo_box);
 404 	switch (value) {
 405 		case MAIL_FILTER_ALL_MESSAGES:
 406 			break;
 407 
 408 		case MAIL_FILTER_UNREAD_MESSAGES:
 409 			temp = g_strdup_printf (
 410 				"(and %s (match-all (not "
 411 				"(system-flag \"Seen\"))))", query);
 412 			g_free (query);
 413 			query = temp;
 414 			break;
 415 
 416 		case MAIL_FILTER_NO_LABEL:
 417 			string = g_string_sized_new (1024);
 418 			g_string_append_printf (
 419 				string, "(and %s (and ", query);
 420 			valid = gtk_tree_model_get_iter_first (
 421 				GTK_TREE_MODEL (label_store), &tree_iter);
 422 			while (valid) {
 423 				tag = e_mail_label_list_store_get_tag (
 424 					label_store, &tree_iter);
 425 				use_tag = tag;
 426 				if (g_str_has_prefix (use_tag, "$Label"))
 427 					use_tag += 6;
 428 				g_string_append_printf (
 429 					string, " (match-all (not (or "
 430 					"(= (user-tag \"label\") \"%s\") "
 431 					"(user-flag \"$Label%s\") "
 432 					"(user-flag \"%s\"))))",
 433 					use_tag, use_tag, use_tag);
 434 				g_free (tag);
 435 
 436 				valid = gtk_tree_model_iter_next (
 437 					GTK_TREE_MODEL (label_store),
 438 					&tree_iter);
 439 			}
 440 			g_string_append_len (string, "))", 2);
 441 			g_free (query);
 442 			query = g_string_free (string, FALSE);
 443 			break;
 444 
 445 		case MAIL_FILTER_READ_MESSAGES:
 446 			temp = g_strdup_printf (
 447 				"(and %s (match-all "
 448 				"(system-flag \"Seen\")))", query);
 449 			g_free (query);
 450 			query = temp;
 451 			break;
 452 
 453 		case MAIL_FILTER_LAST_5_DAYS_MESSAGES:
 454 			if (em_utils_folder_is_sent (registry, folder))
 455 				temp = g_strdup_printf (
 456 					"(and %s (match-all "
 457 					"(> (get-sent-date) "
 458 					"(- (get-current-date) 432000))))",
 459 					query);
 460 			else
 461 				temp = g_strdup_printf (
 462 					"(and %s (match-all "
 463 					"(> (get-received-date) "
 464 					"(- (get-current-date) 432000))))",
 465 					query);
 466 			g_free (query);
 467 			query = temp;
 468 			break;
 469 
 470 		case MAIL_FILTER_MESSAGES_WITH_ATTACHMENTS:
 471 			temp = g_strdup_printf (
 472 				"(and %s (match-all "
 473 				"(system-flag \"Attachments\")))", query);
 474 			g_free (query);
 475 			query = temp;
 476 			break;
 477 
 478 		case MAIL_FILTER_IMPORTANT_MESSAGES:
 479 			temp = g_strdup_printf (
 480 				"(and %s (match-all "
 481 				"(system-flag \"Flagged\")))", query);
 482 			g_free (query);
 483 			query = temp;
 484 			break;
 485 
 486 		case MAIL_FILTER_MESSAGES_NOT_JUNK:
 487 			temp = g_strdup_printf (
 488 				"(and %s (match-all (not "
 489 				"(system-flag \"junk\"))))", query);
 490 			g_free (query);
 491 			query = temp;
 492 			break;
 493 
 494 		default:
 495 			/* The action value also serves as a path for
 496 			 * the label list store.  That's why we number
 497 			 * the label actions from zero. */
 498 			path = gtk_tree_path_new_from_indices (value, -1);
 499 			gtk_tree_model_get_iter (
 500 				GTK_TREE_MODEL (label_store),
 501 				&tree_iter, path);
 502 			gtk_tree_path_free (path);
 503 
 504 			tag = e_mail_label_list_store_get_tag (
 505 				label_store, &tree_iter);
 506 			use_tag = tag;
 507 			if (g_str_has_prefix (use_tag, "$Label"))
 508 				use_tag += 6;
 509 			temp = g_strdup_printf (
 510 				"(and %s (match-all (or "
 511 				"(= (user-tag \"label\") \"%s\") "
 512 				"(user-flag \"$Label%s\") "
 513 				"(user-flag \"%s\"))))",
 514 				query, use_tag, use_tag, use_tag);
 515 			g_free (tag);
 516 
 517 			g_free (query);
 518 			query = temp;
 519 			break;
 520 	}
 521 
 522 	/* Apply selected scope. */
 523 
 524 	combo_box = e_shell_searchbar_get_scope_combo_box (searchbar);
 525 	value = e_action_combo_box_get_current_value (combo_box);
 526 	switch (value) {
 527 		case MAIL_SCOPE_CURRENT_FOLDER:
 528 			goto execute;
 529 
 530 		case MAIL_SCOPE_CURRENT_ACCOUNT:
 531 			goto current_account;
 532 
 533 		case MAIL_SCOPE_ALL_ACCOUNTS:
 534 			goto all_accounts;
 535 
 536 		default:
 537 			g_warn_if_reached ();
 538 			goto execute;
 539 	}
 540 
 541 all_accounts:
 542 
 543 	/* Prepare search folder for all accounts. */
 544 
 545 	/* If the search text is empty, cancel any
 546 	 * account-wide searches still in progress. */
 547 	text = e_shell_searchbar_get_search_text (searchbar);
 548 	if (text == NULL || *text == '\0') {
 549 		CamelStore *selected_store = NULL;
 550 		gchar *selected_folder_name = NULL;
 551 
 552 		if (priv->search_account_all != NULL) {
 553 			g_object_unref (priv->search_account_all);
 554 			priv->search_account_all = NULL;
 555 		}
 556 
 557 		if (priv->search_account_cancel != NULL) {
 558 			g_cancellable_cancel (priv->search_account_cancel);
 559 			g_object_unref (priv->search_account_cancel);
 560 			priv->search_account_cancel = NULL;
 561 		}
 562 
 563 		/* Reset the message list to the current folder tree
 564 		 * selection.  This needs to happen synchronously to
 565 		 * avoid search conflicts, so we can't just grab the
 566 		 * folder URI and let the asynchronous callbacks run
 567 		 * after we've already kicked off the search. */
 568 		if (em_folder_tree_get_selected (folder_tree, &selected_store, &selected_folder_name) &&
 569 		    selected_store && selected_folder_name) {
 570 			folder = camel_store_get_folder_sync (
 571 				selected_store, selected_folder_name,
 572 				CAMEL_STORE_FOLDER_INFO_FAST, NULL, NULL);
 573 			e_mail_reader_set_folder (reader, folder);
 574 			g_object_unref (folder);
 575 		}
 576 
 577 		if (selected_store)
 578 			g_object_unref (selected_store);
 579 		g_free (selected_folder_name);
 580 
 581 		gtk_widget_set_sensitive (GTK_WIDGET (combo_box), TRUE);
 582 
 583 		goto execute;
 584 	}
 585 
 586 	search_folder = priv->search_account_all;
 587 
 588 	/* Skip the search if we already have the results. */
 589 	if (search_folder != NULL)
 590 		if (g_strcmp0 (query, camel_vee_folder_get_expression (search_folder)) == 0)
 591 			goto all_accounts_setup;
 592 
 593 	/* Disable the scope combo while search is in progress. */
 594 	gtk_widget_set_sensitive (GTK_WIDGET (combo_box), FALSE);
 595 
 596 	/* If we already have a search folder, reuse it. */
 597 	if (search_folder != NULL) {
 598 		if (priv->search_account_cancel != NULL) {
 599 			g_cancellable_cancel (priv->search_account_cancel);
 600 			g_object_unref (priv->search_account_cancel);
 601 			priv->search_account_cancel = NULL;
 602 		}
 603 
 604 		camel_vee_folder_set_expression (search_folder, query);
 605 
 606 		goto all_accounts_setup;
 607 	}
 608 
 609 	/* Create a new search folder. */
 610 
 611 	/* FIXME Complete lack of error checking here. */
 612 	service = camel_session_ref_service (
 613 		CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID);
 614 	camel_service_connect_sync (service, NULL, NULL);
 615 
 616 	search_folder = (CamelVeeFolder *) camel_vee_folder_new (
 617 		CAMEL_STORE (service), _("All Account Search"), CAMEL_STORE_FOLDER_PRIVATE);
 618 	priv->search_account_all = search_folder;
 619 
 620 	g_object_unref (service);
 621 
 622 	camel_vee_folder_set_expression (search_folder, query);
 623 
 624  all_accounts_setup:
 625 	list = em_folder_tree_model_list_stores (EM_FOLDER_TREE_MODEL (
 626 		gtk_tree_view_get_model (GTK_TREE_VIEW (folder_tree))));
 627 	g_list_foreach (list, (GFunc) g_object_ref, NULL);
 628 
 629 	priv->search_account_cancel = camel_operation_new ();
 630 
 631 	/* This takes ownership of the stores list. */
 632 	mail_shell_view_setup_search_results_folder (
 633 		CAMEL_FOLDER (search_folder), list,
 634 		priv->search_account_cancel);
 635 
 636 	mail_shell_view_show_search_results_folder (
 637 		E_MAIL_SHELL_VIEW (shell_view),
 638 		CAMEL_FOLDER (search_folder));
 639 
 640 	goto execute;
 641 
 642 current_account:
 643 
 644 	/* Prepare search folder for current account only. */
 645 
 646 	/* If the search text is empty, cancel any
 647 	 * account-wide searches still in progress. */
 648 	text = e_shell_searchbar_get_search_text (searchbar);
 649 	if (text == NULL || *text == '\0') {
 650 		CamelStore *selected_store = NULL;
 651 		gchar *selected_folder_name = NULL;
 652 
 653 		if (priv->search_account_current != NULL) {
 654 			g_object_unref (priv->search_account_current);
 655 			priv->search_account_current = NULL;
 656 		}
 657 
 658 		if (priv->search_account_cancel != NULL) {
 659 			g_cancellable_cancel (priv->search_account_cancel);
 660 			g_object_unref (priv->search_account_cancel);
 661 			priv->search_account_cancel = NULL;
 662 		}
 663 
 664 		/* Reset the message list to the current folder tree
 665 		 * selection.  This needs to happen synchronously to
 666 		 * avoid search conflicts, so we can't just grab the
 667 		 * folder URI and let the asynchronous callbacks run
 668 		 * after we've already kicked off the search. */
 669 		if (em_folder_tree_get_selected (folder_tree, &selected_store, &selected_folder_name) &&
 670 		    selected_store && selected_folder_name) {
 671 			folder = camel_store_get_folder_sync (
 672 				selected_store, selected_folder_name,
 673 				CAMEL_STORE_FOLDER_INFO_FAST, NULL, NULL);
 674 			e_mail_reader_set_folder (reader, folder);
 675 			g_object_unref (folder);
 676 		}
 677 
 678 		if (selected_store)
 679 			g_object_unref (selected_store);
 680 		g_free (selected_folder_name);
 681 
 682 		gtk_widget_set_sensitive (GTK_WIDGET (combo_box), TRUE);
 683 
 684 		goto execute;
 685 	}
 686 
 687 	search_folder = priv->search_account_current;
 688 
 689 	/* Skip the search if we already have the results. */
 690 	if (search_folder != NULL)
 691 		if (g_strcmp0 (query, camel_vee_folder_get_expression (search_folder)) == 0)
 692 			goto current_accout_setup;
 693 
 694 	/* Disable the scope combo while search is in progress. */
 695 	gtk_widget_set_sensitive (GTK_WIDGET (combo_box), FALSE);
 696 
 697 	/* If we already have a search folder, reuse it. */
 698 	if (search_folder != NULL) {
 699 		if (priv->search_account_cancel != NULL) {
 700 			g_cancellable_cancel (priv->search_account_cancel);
 701 			g_object_unref (priv->search_account_cancel);
 702 			priv->search_account_cancel = NULL;
 703 		}
 704 
 705 		camel_vee_folder_set_expression (search_folder, query);
 706 
 707 		goto current_accout_setup;
 708 	}
 709 
 710 	/* Create a new search folder. */
 711 
 712 	/* FIXME Complete lack of error checking here. */
 713 	service = camel_session_ref_service (
 714 		CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID);
 715 	camel_service_connect_sync (service, NULL, NULL);
 716 
 717 	search_folder = (CamelVeeFolder *) camel_vee_folder_new (
 718 		CAMEL_STORE (service), _("Account Search"), CAMEL_STORE_FOLDER_PRIVATE);
 719 	priv->search_account_current = search_folder;
 720 
 721 	g_object_unref (service);
 722 
 723 	camel_vee_folder_set_expression (search_folder, query);
 724 
 725  current_accout_setup:
 726 
 727 	if (folder != NULL && folder != CAMEL_FOLDER (search_folder)) {
 728 		store = camel_folder_get_parent_store (folder);
 729 		if (store != NULL)
 730 			g_object_ref (store);
 731 	} else {
 732 		store = NULL;
 733 		em_folder_tree_get_selected (folder_tree, &store, NULL);
 734 	}
 735 
 736 	list = NULL;  /* list of CamelStore-s */
 737 
 738 	if (store != NULL)
 739 		list = g_list_append (NULL, store);
 740 
 741 	priv->search_account_cancel = camel_operation_new ();
 742 
 743 	/* This takes ownership of the stores list. */
 744 	mail_shell_view_setup_search_results_folder (
 745 		CAMEL_FOLDER (search_folder), list,
 746 		priv->search_account_cancel);
 747 
 748 	mail_shell_view_show_search_results_folder (
 749 		E_MAIL_SHELL_VIEW (shell_view),
 750 		CAMEL_FOLDER (search_folder));
 751 
 752 execute:
 753 
 754 	/* Finally, execute the search. */
 755 
 756 	message_list_set_search (MESSAGE_LIST (message_list), query);
 757 
 758 	e_mail_view_set_search_strings (mail_view, search_strings);
 759 
 760 	g_slist_foreach (search_strings, (GFunc) g_free, NULL);
 761 	g_slist_free (search_strings);
 762 
 763 	g_free (query);
 764 }
 765 
 766 static void
 767 has_unread_mail (GtkTreeModel *model,
 768                  GtkTreeIter *parent,
 769                  gboolean is_root,
 770                  gboolean *has_unread)
 771 {
 772 	guint unread = 0;
 773 	GtkTreeIter iter, child;
 774 
 775 	g_return_if_fail (model != NULL);
 776 	g_return_if_fail (parent != NULL);
 777 	g_return_if_fail (has_unread != NULL);
 778 
 779 	if (is_root) {
 780 		gboolean is_store = FALSE, is_draft = FALSE;
 781 
 782 		gtk_tree_model_get (
 783 			model, parent,
 784 			COL_UINT_UNREAD, &unread,
 785 			COL_BOOL_IS_STORE, &is_store,
 786 			COL_BOOL_IS_DRAFT, &is_draft,
 787 			-1);
 788 
 789 		if (is_draft || is_store) {
 790 			*has_unread = FALSE;
 791 			return;
 792 		}
 793 
 794 		*has_unread = *has_unread || (unread > 0 && unread != ~((guint)0));
 795 
 796 		if (*has_unread)
 797 			return;
 798 
 799 		if (!gtk_tree_model_iter_children (model, &iter, parent))
 800 			return;
 801 	} else {
 802 		iter = *parent;
 803 	}
 804 
 805 	do {
 806 		gtk_tree_model_get (model, &iter, COL_UINT_UNREAD, &unread, -1);
 807 
 808 		*has_unread = *has_unread || (unread > 0 && unread != ~((guint)0));
 809 		if (*has_unread)
 810 			break;
 811 
 812 		if (gtk_tree_model_iter_children (model, &child, &iter))
 813 			has_unread_mail (model, &child, FALSE, has_unread);
 814 
 815 	} while (gtk_tree_model_iter_next (model, &iter) && !*has_unread);
 816 }
 817 
 818 static void
 819 mail_shell_view_update_actions (EShellView *shell_view)
 820 {
 821 	EMailShellView *mail_shell_view;
 822 	EMailShellContent *mail_shell_content;
 823 	EMailShellSidebar *mail_shell_sidebar;
 824 	EShellSidebar *shell_sidebar;
 825 	EShellWindow *shell_window;
 826 	EMFolderTree *folder_tree;
 827 	EMFolderTreeModel *model;
 828 	EMailReader *reader;
 829 	EMailView *mail_view;
 830 	GtkAction *action;
 831 	GList *list, *link;
 832 	gchar *uri;
 833 	gboolean sensitive;
 834 	guint32 state;
 835 
 836 	/* Be descriptive. */
 837 	gboolean folder_allows_children;
 838 	gboolean folder_can_be_deleted;
 839 	gboolean folder_is_outbox;
 840 	gboolean folder_is_store;
 841 	gboolean folder_is_trash;
 842 	gboolean folder_is_virtual;
 843 	gboolean folder_has_unread_rec = FALSE;
 844 	gboolean folder_tree_and_message_list_agree = TRUE;
 845 	gboolean store_is_builtin;
 846 	gboolean store_is_subscribable;
 847 	gboolean store_can_be_disabled;
 848 	gboolean any_store_is_subscribable = FALSE;
 849 
 850 	/* Chain up to parent's update_actions() method. */
 851 	E_SHELL_VIEW_CLASS (parent_class)->update_actions (shell_view);
 852 
 853 	shell_window = e_shell_view_get_shell_window (shell_view);
 854 
 855 	mail_shell_view = E_MAIL_SHELL_VIEW (shell_view);
 856 	mail_shell_content = mail_shell_view->priv->mail_shell_content;
 857 	mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);
 858 
 859 	reader = E_MAIL_READER (mail_view);
 860 	state = e_mail_reader_check_state (reader);
 861 	e_mail_reader_update_actions (reader, state);
 862 
 863 	mail_shell_sidebar = mail_shell_view->priv->mail_shell_sidebar;
 864 	folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);
 865 
 866 	shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
 867 	state = e_shell_sidebar_check_state (shell_sidebar);
 868 
 869 	model = em_folder_tree_model_get_default ();
 870 
 871 	folder_allows_children =
 872 		(state & E_MAIL_SIDEBAR_FOLDER_ALLOWS_CHILDREN);
 873 	folder_can_be_deleted =
 874 		(state & E_MAIL_SIDEBAR_FOLDER_CAN_DELETE);
 875 	folder_is_outbox =
 876 		(state & E_MAIL_SIDEBAR_FOLDER_IS_OUTBOX);
 877 	folder_is_store =
 878 		(state & E_MAIL_SIDEBAR_FOLDER_IS_STORE);
 879 	folder_is_trash =
 880 		(state & E_MAIL_SIDEBAR_FOLDER_IS_TRASH);
 881 	folder_is_virtual =
 882 		(state & E_MAIL_SIDEBAR_FOLDER_IS_VIRTUAL);
 883 	store_is_builtin =
 884 		(state & E_MAIL_SIDEBAR_STORE_IS_BUILTIN);
 885 	store_is_subscribable =
 886 		(state & E_MAIL_SIDEBAR_STORE_IS_SUBSCRIBABLE);
 887 	store_can_be_disabled =
 888 		(state & E_MAIL_SIDEBAR_STORE_CAN_BE_DISABLED);
 889 
 890 	uri = em_folder_tree_get_selected_uri (folder_tree);
 891 
 892 	if (uri != NULL) {
 893 		GtkTreeRowReference *reference;
 894 		CamelFolder *folder;
 895 
 896 		folder = e_mail_reader_get_folder (reader);
 897 
 898 		/* XXX If the user right-clicks on a folder other than what
 899 		 *     the message list is showing, disable folder rename.
 900 		 *     Between fetching the CamelFolder asynchronously and
 901 		 *     knowing when NOT to move the folder tree selection
 902 		 *     back to where it was to avoid cancelling the inline
 903 		 *     folder tree editing, it's just too hairy to try to
 904 		 *     get right.  So we're punting. */
 905 		if (CAMEL_IS_FOLDER (folder)) {
 906 			gchar *folder_uri;
 907 
 908 			folder_uri = e_mail_folder_uri_from_folder (folder);
 909 			folder_tree_and_message_list_agree =
 910 				(g_strcmp0 (uri, folder_uri) == 0);
 911 			g_free (folder_uri);
 912 		}
 913 
 914 		reference = em_folder_tree_model_lookup_uri (model, uri);
 915 		if (reference != NULL) {
 916 			GtkTreePath *path;
 917 			GtkTreeIter iter;
 918 
 919 			path = gtk_tree_row_reference_get_path (reference);
 920 			gtk_tree_model_get_iter (
 921 				GTK_TREE_MODEL (model), &iter, path);
 922 			has_unread_mail (
 923 				GTK_TREE_MODEL (model), &iter,
 924 				TRUE, &folder_has_unread_rec);
 925 			gtk_tree_path_free (path);
 926 		}
 927 
 928 		g_free (uri);
 929 	}
 930 
 931 	/* Look for a CamelStore that supports subscriptions. */
 932 	list = em_folder_tree_model_list_stores (model);
 933 	for (link = list; link != NULL; link = g_list_next (link)) {
 934 		CamelStore *store = CAMEL_STORE (link->data);
 935 
 936 		if (CAMEL_IS_SUBSCRIBABLE (store)) {
 937 			any_store_is_subscribable = TRUE;
 938 			break;
 939 		}
 940 	}
 941 	g_list_free (list);
 942 
 943 	action = ACTION (MAIL_ACCOUNT_DISABLE);
 944 	sensitive = folder_is_store && store_can_be_disabled;
 945 	gtk_action_set_sensitive (action, sensitive);
 946 
 947 	action = ACTION (MAIL_ACCOUNT_EXPUNGE);
 948 	sensitive = folder_is_trash;
 949 	gtk_action_set_sensitive (action, sensitive);
 950 
 951 	action = ACTION (MAIL_ACCOUNT_PROPERTIES);
 952 	sensitive = folder_is_store && !store_is_builtin;
 953 	gtk_action_set_sensitive (action, sensitive);
 954 
 955 	action = ACTION (MAIL_FLUSH_OUTBOX);
 956 	sensitive = folder_is_outbox;
 957 	gtk_action_set_sensitive (action, sensitive);
 958 
 959 	action = ACTION (MAIL_FOLDER_COPY);
 960 	sensitive = !folder_is_store;
 961 	gtk_action_set_sensitive (action, sensitive);
 962 
 963 	action = ACTION (MAIL_FOLDER_DELETE);
 964 	sensitive = !folder_is_store && folder_can_be_deleted;
 965 	gtk_action_set_sensitive (action, sensitive);
 966 
 967 	action = ACTION (MAIL_FOLDER_EXPUNGE);
 968 	sensitive = !folder_is_store && !folder_is_virtual && uri != NULL;
 969 	gtk_action_set_sensitive (action, sensitive);
 970 
 971 	action = ACTION (MAIL_FOLDER_MOVE);
 972 	sensitive = !folder_is_store && folder_can_be_deleted;
 973 	gtk_action_set_sensitive (action, sensitive);
 974 
 975 	action = ACTION (MAIL_FOLDER_NEW);
 976 	sensitive = folder_allows_children;
 977 	gtk_action_set_sensitive (action, sensitive);
 978 
 979 	action = ACTION (MAIL_FOLDER_PROPERTIES);
 980 	sensitive = !folder_is_store && uri != NULL;
 981 	gtk_action_set_sensitive (action, sensitive);
 982 
 983 	action = ACTION (MAIL_FOLDER_REFRESH);
 984 	sensitive = !folder_is_store;
 985 	gtk_action_set_sensitive (action, sensitive);
 986 
 987 	action = ACTION (MAIL_FOLDER_RENAME);
 988 	sensitive =
 989 		!folder_is_store && folder_can_be_deleted &&
 990 		folder_tree_and_message_list_agree;
 991 	gtk_action_set_sensitive (action, sensitive);
 992 
 993 	action = ACTION (MAIL_FOLDER_SELECT_THREAD);
 994 	sensitive = !folder_is_store;
 995 	gtk_action_set_sensitive (action, sensitive);
 996 
 997 	action = ACTION (MAIL_FOLDER_SELECT_SUBTHREAD);
 998 	sensitive = !folder_is_store;
 999 	gtk_action_set_sensitive (action, sensitive);
1000 
1001 	action = ACTION (MAIL_FOLDER_UNSUBSCRIBE);
1002 	sensitive =
1003 		store_is_subscribable &&
1004 		!folder_is_store && !folder_is_virtual;
1005 	gtk_action_set_sensitive (action, sensitive);
1006 
1007 	action = ACTION (MAIL_FOLDER_MARK_ALL_AS_READ);
1008 	sensitive = folder_has_unread_rec && !folder_is_store;
1009 	gtk_action_set_sensitive (action, sensitive);
1010 
1011 	action = ACTION (MAIL_MANAGE_SUBSCRIPTIONS);
1012 	sensitive = folder_is_store && store_is_subscribable;
1013 	gtk_action_set_sensitive (action, sensitive);
1014 
1015 	action = ACTION (MAIL_TOOLS_SUBSCRIPTIONS);
1016 	sensitive = any_store_is_subscribable;
1017 	gtk_action_set_sensitive (action, sensitive);
1018 
1019 	/* folder_is_store + folder_is_virtual == "Search Folders" */
1020 	action = ACTION (MAIL_VFOLDER_UNMATCHED_ENABLE);
1021 	gtk_action_set_visible (action, folder_is_store && folder_is_virtual);
1022 
1023 	e_mail_shell_view_update_popup_labels (mail_shell_view);
1024 }
1025 
1026 static void
1027 mail_shell_view_class_init (EMailShellViewClass *class,
1028                             GTypeModule *type_module)
1029 {
1030 	GObjectClass *object_class;
1031 	EShellViewClass *shell_view_class;
1032 
1033 	parent_class = g_type_class_peek_parent (class);
1034 	g_type_class_add_private (class, sizeof (EMailShellViewPrivate));
1035 
1036 	object_class = G_OBJECT_CLASS (class);
1037 	object_class->dispose = mail_shell_view_dispose;
1038 	object_class->finalize = mail_shell_view_finalize;
1039 	object_class->constructed = mail_shell_view_constructed;
1040 
1041 	shell_view_class = E_SHELL_VIEW_CLASS (class);
1042 	shell_view_class->label = _("Mail");
1043 	shell_view_class->icon_name = "evolution-mail";
1044 	shell_view_class->ui_definition = "evolution-mail.ui";
1045 	shell_view_class->ui_manager_id = "org.gnome.evolution.mail";
1046 	shell_view_class->search_context_type = EM_SEARCH_TYPE_CONTEXT;
1047 	shell_view_class->search_options = "/mail-search-options";
1048 	shell_view_class->search_rules = "searchtypes.xml";
1049 	shell_view_class->new_shell_content = e_mail_shell_content_new;
1050 	shell_view_class->new_shell_sidebar = e_mail_shell_sidebar_new;
1051 	shell_view_class->toggled = mail_shell_view_toggled;
1052 	shell_view_class->execute_search = mail_shell_view_execute_search;
1053 	shell_view_class->update_actions = mail_shell_view_update_actions;
1054 }
1055 
1056 static void
1057 mail_shell_view_init (EMailShellView *mail_shell_view,
1058                       EShellViewClass *shell_view_class)
1059 {
1060 	mail_shell_view->priv =
1061 		E_MAIL_SHELL_VIEW_GET_PRIVATE (mail_shell_view);
1062 
1063 	e_mail_shell_view_private_init (mail_shell_view, shell_view_class);
1064 }
1065 
1066 GType
1067 e_mail_shell_view_get_type (void)
1068 {
1069 	return mail_shell_view_type;
1070 }
1071 
1072 void
1073 e_mail_shell_view_register_type (GTypeModule *type_module)
1074 {
1075 	const GTypeInfo type_info = {
1076 		sizeof (EMailShellViewClass),
1077 		(GBaseInitFunc) NULL,
1078 		(GBaseFinalizeFunc) NULL,
1079 		(GClassInitFunc) mail_shell_view_class_init,
1080 		(GClassFinalizeFunc) NULL,
1081 		NULL,  /* class_data */
1082 		sizeof (EMailShellView),
1083 		0,     /* n_preallocs */
1084 		(GInstanceInitFunc) mail_shell_view_init,
1085 		NULL   /* value_table */
1086 	};
1087 
1088 	mail_shell_view_type = g_type_module_register_type (
1089 		type_module, E_TYPE_SHELL_VIEW,
1090 		"EMailShellView", &type_info, 0);
1091 }