gecko-dev/mailnews/base/resources/content/msgMail3PaneWindow.js

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JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
* Rights Reserved.
*/
/* This is where functions related to the 3 pane window are kept */
/* globals for a particular window */
var messengerProgID = "component://netscape/messenger";
var statusFeedbackProgID = "component://netscape/messenger/statusfeedback";
var messageViewProgID = "component://netscape/messenger/messageview";
var mailSessionProgID = "component://netscape/messenger/services/session";
var prefProgID = "component://netscape/preferences";
var msgWindowProgID = "component://netscape/messenger/msgwindow";
var datasourceProgIDPrefix = "component://netscape/rdf/datasource?name=";
var accountManagerDSProgID = datasourceProgIDPrefix + "msgaccountmanager";
var folderDSProgID = datasourceProgIDPrefix + "mailnewsfolders";
var messageDSProgID = datasourceProgIDPrefix + "mailnewsmessages";
var gFolderTree;
var gThreadTree;
var gThreadAndMessagePaneSplitter = null;
var gCurrentLoadingFolderURI;
var gCurrentLoadingFolderIsThreaded = false;
var gCurrentLoadingFolderSortID ="";
// get the messenger instance
var messenger = Components.classes[messengerProgID].createInstance();
messenger = messenger.QueryInterface(Components.interfaces.nsIMessenger);
//Create datasources
var accountManagerDataSource = Components.classes[accountManagerDSProgID].createInstance();
var folderDataSource = Components.classes[folderDSProgID].createInstance();
var messageDataSource = Components.classes[messageDSProgID].createInstance();
//Create windows status feedback
var statusFeedback = Components.classes[statusFeedbackProgID].createInstance();
statusFeedback = statusFeedback.QueryInterface(Components.interfaces.nsIMsgStatusFeedback);
//Create message view object
var messageView = Components.classes[messageViewProgID].createInstance();
messageView = messageView.QueryInterface(Components.interfaces.nsIMessageView);
//Create message window object
var msgWindow = Components.classes[msgWindowProgID].createInstance();
msgWindow = msgWindow.QueryInterface(Components.interfaces.nsIMsgWindow);
// the folderListener object
var folderListener = {
OnItemAdded: function(parentItem, item, view) {},
OnItemRemoved: function(parentItem, item, view){},
OnItemPropertyChanged: function(item, property, oldValue, newValue) {},
OnItemPropertyFlagChanged: function(item, property, oldFlag, newFlag) {},
OnFolderLoaded: function (folder)
{
dump('In OnFolderLoader\n');
if(folder)
{
var resource = folder.QueryInterface(Components.interfaces.nsIRDFResource);
if(resource)
{
var uri = resource.Value;
if(uri == gCurrentLoadingFolderURI)
{
gCurrentLoadingFolderURI="";
var msgFolder = folder.QueryInterface(Components.interfaces.nsIMsgFolder);
if(msgFolder)
{
msgFolder.endFolderLoading();
dump("before reroot in OnFolderLoaded\n");
RerootFolder(uri, msgFolder, gCurrentLoadingFolderIsThreaded, gCurrentLoadingFolderSortID);
gCurrentLoadingFolderIsThreaded = FALSE;
gCurrentLoadingFolderSortID = "";
}
}
}
}
}
}
/* Functions related to startup */
function OnLoadMessenger()
{
verifyAccounts();
loadStartPage();
InitMsgWindow();
messenger.SetWindow(window, msgWindow);
AddDataSources();
InitPanes();
loadStartFolder();
AddToSession();
}
function OnUnloadMessenger()
{
dump("\nOnUnload from XUL\nClean up ...\n");
var mailSession = Components.classes[mailSessionProgID].getService();
if(mailSession)
{
mailSession = mailSession.QueryInterface(Components.interfaces.nsIMsgMailSession);
if(mailSession)
{
mailSession.RemoveFolderListener(folderListener);
mailSession.RemoveMsgWindow(msgWindow);
}
}
saveWindowPosition();
messenger.OnUnload();
}
function saveWindowPosition()
{
// Get the current window position/size.
var x = window.screenX;
var y = window.screenY;
var h = window.outerHeight;
var w = window.outerWidth;
// Store these into the window attributes (for persistence).
var win = document.getElementById( "messengerWindow" );
win.setAttribute( "x", x );
win.setAttribute( "y", y );
win.setAttribute( "height", h );
win.setAttribute( "width", w );
// save x, y, width, height
}
function verifyAccounts() {
try {
var mail = Components.classes[mailSessionProgID].getService(Components.interfaces.nsIMsgMailSession);
var am = mail.accountManager;
var accounts = am.accounts;
// as long as we have some accounts, we're fine.
if (accounts.Count() > 0) return;
try {
dump("attempt to UpgradePrefs. If that fails, open the account wizard.\n");
am.UpgradePrefs();
refreshFolderPane();
}
catch (ex) {
// upgrade prefs failed, so open account wizard
MsgAccountWizard();
}
}
catch (ex) {
dump("error verifying accounts " + ex + "\n");
return;
}
}
function loadStartPage() {
var startpage = "about:blank";
try {
var pref = Components.classes[prefProgID].getService(Components.interfaces.nsIPref);
startpageenabled= pref.GetBoolPref("mailnews.start_page.enabled");
if (startpageenabled)
startpage = pref.CopyCharPref("mailnews.start_page.url");
window.frames["messagepane"].location = startpage;
dump("start message pane with: " + startpage + "\n");
}
catch (ex) {
dump("Error loading start page.\n");
return;
}
}
function loadStartFolder()
{
//Load StartFolder
try {
var pref = Components.classes[prefProgID].getService(Components.interfaces.nsIPref);
var startFolder = pref.CopyCharPref("mailnews.start_folder");
//ChangeFolderByURI(startFolder);
// var folder = OpenFolderTreeToFolder(startFolder);
}
catch(ex) {
}
}
function AddToSession()
{
try {
var mailSession = Components.classes[mailSessionProgID].getService(Components.interfaces.nsIMsgMailSession);
mailSession.AddFolderListener(folderListener);
mailSession.AddMsgWindow(msgWindow);
} catch (ex) {
dump("Error adding to session\n");
}
}
function InitMsgWindow()
{
msgWindow.statusFeedback = statusFeedback;
msgWindow.messageView = messageView;
msgWindow.SetDOMWindow(window);
}
function AddDataSources()
{
//to move menu item
accountManagerDataSource = accountManagerDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
folderDataSource = folderDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
var moveMenu = document.getElementById('moveMenu');
if(moveMenu)
{
moveMenu.database.AddDataSource(accountManagerDataSource);
moveMenu.database.AddDataSource(folderDataSource);
moveMenu.setAttribute('ref', 'msgaccounts:/');
}
//to copy menu item
var copyMenu = document.getElementById('copyMenu');
if(copyMenu)
{
copyMenu.database.AddDataSource(accountManagerDataSource);
copyMenu.database.AddDataSource(folderDataSource);
copyMenu.setAttribute('ref', 'msgaccounts:/');
}
//Add statusFeedback
var msgDS = folderDataSource.QueryInterface(Components.interfaces.nsIMsgRDFDataSource);
msgDS.window = msgWindow;
msgDS = messageDataSource.QueryInterface(Components.interfaces.nsIMsgRDFDataSource);
msgDS.window = msgWindow;
msgDS = accountManagerDataSource.QueryInterface(Components.interfaces.nsIMsgRDFDataSource);
msgDS.window = msgWindow;
}
function InitPanes()
{
var mailsidebar = new Object
mailsidebar.db = 'chrome://messenger/content/sidebar-messenger.rdf'
mailsidebar.resource = 'NC:MessengerSidebarRoot'
var threadTree = GetThreadTree();
if(threadTree);
OnLoadThreadPane(threadTree);
var folderTree = GetFolderTree();
if(folderTree)
OnLoadFolderPane(folderTree);
SetupCommandUpdateHandlers();
}
function OnLoadFolderPane(folderTree)
{
dump('In onLoadfolderPane\n');
gFolderTree = folderTree;
SortFolderPane('FolderColumn', 'http://home.netscape.com/NC-rdf#FolderTreeName');
//Add folderDataSource and accountManagerDataSource to folderPane
accountManagerDataSource = accountManagerDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
folderDataSource = folderDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
var database = folderTree.database;
database.AddDataSource(accountManagerDataSource);
database.AddDataSource(folderDataSource);
folderTree.setAttribute('ref', 'msgaccounts:/');
}
function OnLoadThreadPane(threadTree)
{
gThreadTree = threadTree;
// add folderSource to thread pane
folderDataSource = folderDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
threadTree.database.AddDataSource(folderDataSource);
//Add message data source
messageDataSource = messageDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
threadTree.database.AddDataSource(messageDataSource);
ShowThreads(false);
}
/* Functions for accessing particular parts of the window*/
function GetFolderTree()
{
if (gFolderTree) return gFolderTree;
var folderTree = document.getElementById('folderTree');
gFolderTree = folderTree;
return folderTree;
}
function FindInSidebar(currentWindow, id)
{
var item = currentWindow.document.getElementById(id);
if(item)
return item;
for(var i = 0; i < currentWindow.frames.length; i++)
{
var frameItem = FindInSidebar(currentWindow.frames[i], id);
if(frameItem)
return frameItem;
}
}
function GetThreadTree()
{
if (gThreadTree) return gThreadTree;
var threadTree = document.getElementById('threadTree');
if(!threadTree)
dump('thread tree is null\n');
gThreadTree = threadTree;
return threadTree;
}
function GetThreadTreeFolder()
{
var tree = GetThreadTree();
return tree;
}
function GetThreadAndMessagePaneSplitter()
{
if(gThreadAndMessagePaneSplitter) return gThreadAndMessagePaneSplitter;
var splitter = document.getElementById('gray_horizontal_splitter');
gThreadAndMessagePaneSplitter = splitter;
return splitter;
}
function IsThreadAndMessagePaneSplitterCollapsed()
{
var splitter = GetThreadAndMessagePaneSplitter();
if(splitter)
{
var state = splitter.getAttribute('state');
return (state == "collapsed");
}
else
return false;
}
function FindMessenger()
{
return messenger;
}
function RefreshThreadTreeView()
{
var currentFolder = GetThreadTreeFolder();
var currentFolderID = currentFolder.getAttribute('ref');
//This will make us lose selection when this happens.
//need to figure out if we have to save off selection or if
//tree widget is responsible for this.
ClearThreadTreeSelection();
currentFolder.setAttribute('ref', currentFolderID);
}
function ClearThreadTreeSelection()
{
var tree = GetThreadTree();
if(tree)
{
dump('before clearItemSelection\n');
tree.clearItemSelection();
}
}
function ClearMessagePane()
{
messenger.OpenURL("about:blank");
}
function StopUrls()
{
msgWindow.StopUrls();
}
function GetSelectedFolder()
{
var tree = GetFolderTree();
var selection = tree.selectedItems;
if(selection.length > 0)
return selection[0];
else
return null;
}