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329 lines
11 KiB
JavaScript
329 lines
11 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* This file contains the js functions necessary to implement view navigation within the 3 pane. */
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//NOTE: gMessengerBundle must be defined and set or this Overlay won't work
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var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService();
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promptService = promptService.QueryInterface(Components.interfaces.nsIPromptService);
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var accountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);
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// we need the account manager datasource for when trying
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// to figure out which account is next in the folder pane.
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var gAccountManagerDataSource = Components.classes["@mozilla.org/rdf/datasource;1?name=msgaccountmanager"].getService(Components.interfaces.nsIRDFDataSource);
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// we can't compare the name to determine the order in the folder pane
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// we need to compare the value of the sort resource,
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// as that's what we use to sort on in the folder pane
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var gNameProperty = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService).GetResource("http://home.netscape.com/NC-rdf#Name?sort=true");
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function compareServerSortOrder(server1, server2)
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{
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var sortValue1, sortValue2;
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try {
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var res1 = RDF.GetResource(server1.URI);
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sortValue1 = gAccountManagerDataSource.GetTarget(res1, gNameProperty, true).QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
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}
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catch (ex) {
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dump("XXX ex ");
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if (server1 && server1.URI)
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dump(server1.URI + ",");
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dump(ex + "\n");
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sortValue1 = "";
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}
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try {
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var res2 = RDF.GetResource(server2.URI);
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sortValue2 = gAccountManagerDataSource.GetTarget(res2, gNameProperty, true).QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
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}
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catch (ex) {
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dump("XXX ex ");
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if (server2 && server2.URI)
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dump(server2.URI + ",");
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dump(ex + "\n");
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sortValue2 = "";
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}
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if (sortValue1 < sortValue2)
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return -1;
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else if (sortValue1 > sortValue2)
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return 1;
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else
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return 0;
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}
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function compareFolderSortKey(folder1, folder2)
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{
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return folder1.compareSortKeys(folder2);
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}
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function GetSubFoldersInFolderPaneOrder(folder)
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{
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var subFolderEnumerator = folder.GetSubFolders();
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var done = false;
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var msgFolders = Array();
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// get all the subfolders
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while (!done) {
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try {
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var element = subFolderEnumerator.currentItem();
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var msgFolder = element.QueryInterface(Components.interfaces.nsIMsgFolder);
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msgFolders[msgFolders.length] = msgFolder;
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subFolderEnumerator.next();
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}
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catch (ex) {
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done = true;
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}
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}
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// sort the subfolders
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msgFolders.sort(compareFolderSortKey);
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return msgFolders;
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}
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function FindNextChildFolder(aParent, aAfter)
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{
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// Search the child folders of aParent for unread messages
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// but in the case that we are working up from the current folder
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// we need to skip up to and including the current folder
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// we skip the current folder in case a mail view is hiding unread messages
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if (aParent.getNumUnread(true) > 0) {
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var subFolders = GetSubFoldersInFolderPaneOrder(aParent);
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var i = 0;
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var folder = null;
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// Skip folders until after the specified child
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while (folder != aAfter)
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folder = subFolders[i++];
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while (i < subFolders.length) {
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folder = subFolders[i++];
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// if there is unread mail in the trash, sent, drafts, unsent messages
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// templates or junk special folder,
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// we ignore it when doing cross folder "next" navigation
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if (!IsSpecialFolder(folder, MSG_FOLDER_FLAG_TRASH | MSG_FOLDER_FLAG_SENTMAIL | MSG_FOLDER_FLAG_DRAFTS | MSG_FOLDER_FLAG_QUEUE | MSG_FOLDER_FLAG_TEMPLATES | MSG_FOLDER_FLAG_JUNK, true)) {
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if (folder.getNumUnread(false) > 0)
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return folder;
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folder = FindNextChildFolder(folder, null);
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if (folder)
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return folder;
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}
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}
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}
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return null;
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}
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function FindNextFolder()
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{
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// look for the next folder, this will only look on the current account
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// and below us, in the folder pane
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// note use of gDBView restricts this function to message folders
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// otherwise you could go next unread from a server
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var folder = FindNextChildFolder(gDBView.msgFolder, null);
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if (folder)
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return folder;
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// didn't find folder in children
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// go up to the parent, and start at the folder after the current one
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// unless we are at a server, in which case bail out.
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for (folder = gDBView.msgFolder; !folder.isServer; ) {
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var parent = folder.parentMsgFolder;
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folder = FindNextChildFolder(parent, folder);
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if (folder)
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return folder;
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// none at this level after the current folder. go up.
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folder = parent;
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}
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// nothing in the current account, start with the next account (below)
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// and try until we hit the bottom of the folder pane
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// start at the account after the current account
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var rootFolders = GetRootFoldersInFolderPaneOrder();
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for (i = 0; i < rootFolders.length; i++) {
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if (rootFolders[i].URI == gDBView.msgFolder.server.serverURI)
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break;
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}
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for (var j = i + 1; j < rootFolders.length; j++) {
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folder = FindNextChildFolder(rootFolders[j], null);
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if (folder)
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return folder;
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}
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// if nothing from the current account down to the bottom
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// (of the folder pane), start again at the top.
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for (j = 0; j <= i; j++) {
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folder = FindNextChildFolder(rootFolders[j], null);
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if (folder)
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return folder;
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}
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return null;
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}
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function GetRootFoldersInFolderPaneOrder()
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{
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var allServers = accountManager.allServers;
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var numServers = allServers.Count();
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var serversMsgFolders = Array(numServers);
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for (var i = 0; i < numServers; i++)
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serversMsgFolders[i] = allServers.GetElementAt(i).QueryInterface(Components.interfaces.nsIMsgIncomingServer).rootMsgFolder;
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// sort accounts, so they are in the same order as folder pane
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serversMsgFolders.sort(compareServerSortOrder);
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return serversMsgFolders;
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}
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function CrossFolderNavigation(type)
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{
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// do cross folder navigation for next unread message/thread and message history
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if (type != nsMsgNavigationType.nextUnreadMessage &&
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type != nsMsgNavigationType.nextUnreadThread &&
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type != nsMsgNavigationType.forward &&
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type != nsMsgNavigationType.back)
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return;
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if (type == nsMsgNavigationType.nextUnreadMessage ||
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type == nsMsgNavigationType.nextUnreadThread)
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{
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var nextMode = pref.getIntPref("mailnews.nav_crosses_folders");
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// 0: "next" goes to the next folder, without prompting
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// 1: "next" goes to the next folder, and prompts (the default)
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// 2: "next" does nothing when there are no unread messages
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// not crossing folders, don't find next
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if (nextMode == 2)
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return;
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var folder = FindNextFolder();
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if (folder && (gDBView.msgFolder.URI != folder.URI))
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{
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switch (nextMode)
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{
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case 0:
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// do this unconditionally
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gNextMessageAfterLoad = type;
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SelectFolder(folder.URI);
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break;
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case 1:
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default:
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var promptText = gMessengerBundle.getFormattedString("advanceNextPrompt", [ folder.name ], 1);
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if (!promptService.confirmEx(window, promptText, promptText,
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promptService.STD_YES_NO_BUTTONS,
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null, null, null, null, {}))
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{
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gNextMessageAfterLoad = type;
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SelectFolder(folder.URI);
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}
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break;
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}
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}
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}
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else
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{
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// if no message is loaded, relPos should be 0, to
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// go back to the previously loaded message
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var relPos = (type == nsMsgNavigationType.forward)
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? 1 : ((GetLoadedMessage()) ? -1 : 0);
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var folderUri = messenger.getFolderUriAtNavigatePos(relPos);
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var msgHdr = messenger.msgHdrFromURI(messenger.getMsgUriAtNavigatePos(relPos));
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gStartMsgKey = msgHdr.messageKey;
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var curPos = messenger.navigatePos;
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curPos += relPos;
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messenger.navigatePos = curPos;
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SelectFolder(folderUri);
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}
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}
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function ScrollToMessage(type, wrap, selectMessage)
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{
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try {
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var treeView = gDBView.QueryInterface(Components.interfaces.nsITreeView);
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var treeSelection = treeView.selection;
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var currentIndex = treeSelection.currentIndex;
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var resultId = new Object;
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var resultIndex = new Object;
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var threadIndex = new Object;
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gDBView.viewNavigate(type, resultId, resultIndex, threadIndex, true /* wrap */);
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// only scroll and select if we found something
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if ((resultId.value != nsMsgViewIndex_None) && (resultIndex.value != nsMsgViewIndex_None)) {
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if (selectMessage){
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treeSelection.select(resultIndex.value);
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}
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EnsureRowInThreadTreeIsVisible(resultIndex.value);
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return true;
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}
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else {
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return false;
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}
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}
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catch (ex) {
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return false;
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}
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}
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function GoNextMessage(type, startFromBeginning)
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{
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try {
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var succeeded = ScrollToMessage(type, startFromBeginning, true);
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if (!succeeded) {
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CrossFolderNavigation(type);
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}
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}
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catch (ex) {
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dump("GoNextMessage ex = " + ex + "\n");
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}
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SetFocusThreadPaneIfNotOnMessagePane();
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}
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