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281 lines
8.7 KiB
JavaScript
281 lines
8.7 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*/
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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"].createInstance().QueryInterface(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 " + server1.URI + "," + 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 " + server2.URI + "," + 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(folder)
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{
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// if there is unread mail in the trash, sent, drafts, unsent messages
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// or templates folders, we ignore it
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// 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))
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return null;
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if (folder.getNumUnread(false) > 0)
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return folder;
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if (folder.getNumUnread(true) > 0) {
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var subFolders = GetSubFoldersInFolderPaneOrder(folder);
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for (var i = 0; i < subFolders.length; i++) {
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folder = FindNextChildFolder(subFolders[i]);
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if (folder)
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return folder;
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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);
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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.parent;
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var msgFolders = GetSubFoldersInFolderPaneOrder(parent);
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for (var i = 0; i < msgFolders.length; i++)
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if (msgFolders[i].URI == folder.URI)
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break;
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// the current folder is at index i
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// start at the next folder after that, if there is one
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while (++i < msgFolders.length) {
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folder = FindNextChildFolder(msgFolders[i]);
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if (folder)
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return folder;
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}
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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]);
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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]);
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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, supportsFolderPane )
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{
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if (type != nsMsgNavigationType.nextUnreadMessage) {
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// only do cross folder navigation for "next unread message"
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return null;
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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) return null;
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var folder = FindNextFolder();
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if (folder && (gDBView.msgFolder.URI != folder.URI)) {
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switch (nextMode) {
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case 0:
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// do this unconditionally
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gNextMessageAfterLoad = type;
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if (supportsFolderPane)
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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.confirm(window, promptText, promptText)) {
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gNextMessageAfterLoad = type;
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if (supportsFolderPane)
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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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return folder;
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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 outlinerView = gDBView.QueryInterface(Components.interfaces.nsIOutlinerView);
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var outlinerSelection = outlinerView.selection;
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var currentIndex = outlinerSelection.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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outlinerSelection.select(resultIndex.value);
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}
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EnsureRowInThreadOutlinerIsVisible(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, true);
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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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