releases-comm-central/suite/mailnews/mailWindow.js

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JavaScript

/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jan Varga <varga@ku.sk>
* Håkan Waara (hwaara@chello.se)
* Christopher Thomas <cst@yecc.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//This file stores variables common to mail windows
var messenger;
var statusFeedback;
var msgWindow;
var msgComposeService;
var accountManager;
var RDF;
var msgComposeType;
var msgComposeFormat;
var mailSession;
var gMessengerBundle;
var gBrandBundle;
var accountManagerDataSource;
var folderDataSource;
var accountCentralBox = null;
var gDisableViewsSearch = null;
var gAccountCentralLoaded = true;
//End progress and Status variables
var gOfflineManager;
// cache the last keywords
var gLastKeywords = "";
function OnMailWindowUnload()
{
RemoveMailOfflineObserver();
ClearPendingReadTimer();
var searchSession = GetSearchSession();
if (searchSession)
{
removeGlobalListeners();
if (gPreQuickSearchView) //close the cached pre quick search view
gPreQuickSearchView.close();
}
var dbview = GetDBView();
if (dbview) {
dbview.close();
}
var mailSession = Components.classes["@mozilla.org/messenger/services/session;1"]
.getService();
if (mailSession instanceof Components.interfaces.nsIMsgMailSession)
mailSession.RemoveFolderListener(folderListener);
mailSession.RemoveMsgWindow(msgWindow);
messenger.setWindow(null, null);
msgWindow.closeWindow();
}
function CreateMailWindowGlobals()
{
// get the messenger instance
messenger = Components.classes["@mozilla.org/messenger;1"]
.createInstance(Components.interfaces.nsIMessenger);
// force pref service initialization
GetPrefService();
//Create windows status feedback
// set the JS implementation of status feedback before creating the c++ one..
window.MsgStatusFeedback = new nsMsgStatusFeedback();
// double register the status feedback object as the xul browser window implementation
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebNavigation)
.QueryInterface(Components.interfaces.nsIDocShellTreeItem).treeOwner
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIXULWindow)
.XULBrowserWindow = window.MsgStatusFeedback;
statusFeedback = Components.classes["@mozilla.org/messenger/statusfeedback;1"]
.createInstance(Components.interfaces.nsIMsgStatusFeedback);
statusFeedback.setWrappedStatusFeedback(window.MsgStatusFeedback);
window.MsgWindowCommands = new nsMsgWindowCommands();
//Create message window object
msgWindow = Components.classes["@mozilla.org/messenger/msgwindow;1"]
.createInstance(Components.interfaces.nsIMsgWindow);
msgComposeService = Components.classes['@mozilla.org/messengercompose;1']
.getService(Components.interfaces.nsIMsgComposeService);
mailSession = Components.classes["@mozilla.org/messenger/services/session;1"].getService(Components.interfaces.nsIMsgMailSession);
accountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);
RDF = Components.classes['@mozilla.org/rdf/rdf-service;1']
.getService(Components.interfaces.nsIRDFService);
msgComposeType = Components.interfaces.nsIMsgCompType;
msgComposeFormat = Components.interfaces.nsIMsgCompFormat;
gMessengerBundle = document.getElementById("bundle_messenger");
gBrandBundle = document.getElementById("bundle_brand");
//Create datasources
var prefix = "@mozilla.org/rdf/datasource;1?name=";
var accountManagerDSCID = prefix + "msgaccountmanager";
var folderDSCID = prefix + "mailnewsfolders";
var nsIRDFDataSource = Components.interfaces.nsIRDFDataSource;
accountManagerDataSource = Components.classes[accountManagerDSCID].getService(nsIRDFDataSource);
folderDataSource = Components.classes[folderDSCID].getService(nsIRDFDataSource);
msgWindow.notificationCallbacks = new nsMsgBadCertHandler();
}
function InitMsgWindow()
{
msgWindow.windowCommands = new nsMsgWindowCommands();
// set the domWindow before setting the status feedback and header sink objects
msgWindow.domWindow = window;
msgWindow.statusFeedback = statusFeedback;
msgWindow.msgHeaderSink = messageHeaderSink;
mailSession.AddMsgWindow(msgWindow);
var messagepane = getMessageBrowser();
messagepane.docShell.allowAuth = false;
messagepane.docShell.allowDNSPrefetch = false;
msgWindow.rootDocShell.allowAuth = true;
msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
// Ensure we don't load xul error pages into the main window
msgWindow.rootDocShell.useErrorPages = false;
}
function messagePaneOnResize(event)
{
// scale any overflowing images
var messagepane = getMessageBrowser();
var doc = messagepane.contentDocument;
var imgs = doc.images;
for each (var img in imgs)
{
if (img.className == "moz-attached-image")
{
if (img.naturalWidth <= doc.body.clientWidth)
{
img.removeAttribute("isshrunk");
img.removeAttribute("overflowing");
}
else if (img.hasAttribute("shrinktofit"))
{
img.setAttribute("isshrunk", "true");
img.removeAttribute("overflowing");
}
else
{
img.setAttribute("overflowing", "true");
img.removeAttribute("isshrunk");
}
}
}
}
function messagePaneOnClick(event)
{
// if this is stand alone mail (no browser)
// or this isn't a simple left click, do nothing, and let the normal code execute
if (event.button != 0 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey)
return contentAreaClick(event);
// try to determine the href for what you are clicking on.
// for example, it might be "" if you aren't left clicking on a link
var ceParams = hrefAndLinkNodeForClickEvent(event);
if (!ceParams && !event.button)
{
var target = event.target;
// is this an image that we might want to scale?
if (target instanceof Components.interfaces.nsIImageLoadingContent)
{
// make sure it loaded successfully
var req = target.getRequest(Components.interfaces.nsIImageLoadingContent.CURRENT_REQUEST);
if (!req || req.imageStatus & Components.interfaces.imgIRequest.STATUS_ERROR)
return true;
// is it an inline attachment?
if (/^moz-attached-image/.test(target.className))
{
if (target.hasAttribute("isshrunk"))
{
// currently shrunk to fit, so unshrink it
target.removeAttribute("isshrunk");
target.removeAttribute("shrinktofit");
target.setAttribute("overflowing", "true");
}
else if (target.hasAttribute("overflowing"))
{
// user wants to shrink now
target.setAttribute("isshrunk", "true");
target.setAttribute("shrinktofit", "true");
target.removeAttribute("overflowing");
}
}
}
return true;
}
var href = ceParams.href;
// we know that http://, https://, ftp://, file://, chrome://,
// resource://, and about, should load in a browser. but if
// we don't have one of those (examples are mailto, imap, news, mailbox, snews,
// nntp, ldap, and externally handled schemes like aim) we may or may not
// want a browser window, in which case we return here and let the normal code
// handle it
var needABrowser = /(^http(s)?:|^ftp:|^file:|^chrome:|^resource:|^about:)/i;
if (href.search(needABrowser) == -1)
return true;
// however, if the protocol should not be loaded internally, then we should
// not put up a new browser window. we should just let the usual processing
// take place.
try {
var extProtService = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"].getService();
extProtService = extProtService.QueryInterface(Components.interfaces.nsIExternalProtocolService);
var scheme = href.substring(0, href.indexOf(":"));
if (!extProtService.isExposedProtocol(scheme))
return true;
}
catch (ex) {} // ignore errors, and just assume that we can proceed.
// if you get here, the user did a simple left click on a link
// that we know should be in a browser window.
// since we are in the message pane, send it to the top most browser window
// (or open one) right away, instead of waiting for us to get some data and
// determine the content type, and then open a browser window
// we want to preventDefault, so that in
// nsGenericHTMLElement::HandleDOMEventForAnchors(), we don't try to handle the click again
event.preventDefault();
if (isPhishingURL(ceParams.linkNode, false, href))
return false;
openAsExternal(href);
return true;
}
function AddDataSources()
{
SetupMoveCopyMenus('moveMenu', accountManagerDataSource, folderDataSource);
SetupMoveCopyMenus('copyMenu', accountManagerDataSource, folderDataSource);
SetupMoveCopyMenus('button-file', accountManagerDataSource, folderDataSource);
SetupMoveCopyMenus('mailContext-copyMenu', accountManagerDataSource, folderDataSource);
SetupMoveCopyMenus('mailContext-moveMenu', accountManagerDataSource, folderDataSource);
}
function SetupMoveCopyMenus(menuid, accountManagerDataSource, folderDataSource)
{
var menu = document.getElementById(menuid);
if (menu)
{
menu.database.AddDataSource(accountManagerDataSource);
menu.database.AddDataSource(folderDataSource);
menu.setAttribute('ref', 'msgaccounts:/');
}
}
// We're going to implement our status feedback for the mail window in JS now.
// the following contains the implementation of our status feedback object
function nsMsgStatusFeedback()
{
}
nsMsgStatusFeedback.prototype =
{
// global variables for status / feedback information....
statusTextFld : null,
statusBar : null,
statusPanel : null,
throbber : null,
stopCmd : null,
startTimeoutID : null,
stopTimeoutID : null,
pendingStartRequests : 0,
meteorsSpinning : false,
myDefaultStatus : null,
ensureStatusFields : function()
{
if (!this.statusTextFld ) this.statusTextFld = document.getElementById("statusText");
if (!this.statusBar) this.statusBar = document.getElementById("statusbar-icon");
if (!this.statusPanel) this.statusPanel = document.getElementById("statusbar-progresspanel");
if (!this.throbber) this.throbber = document.getElementById("navigator-throbber");
if (!this.stopCmd) this.stopCmd = document.getElementById("cmd_stop");
},
// nsIXULBrowserWindow implementation
setJSStatus : function(status)
{
if (status.length > 0)
this.showStatusString(status);
},
setJSDefaultStatus : function(status)
{
if (status.length > 0)
{
this.myDefaultStatus = status;
this.statusTextFld.label = status;
}
},
setOverLink : function(link, context)
{
this.ensureStatusFields();
this.statusTextFld.label = link;
},
// Called before links are navigated to to allow us to retarget them if needed.
onBeforeLinkTraversal: function(aOriginalTarget, aLinkURI, aLinkNode, aIsAppTab)
{
return aOriginalTarget;
},
QueryInterface : function(iid)
{
if (iid.equals(Components.interfaces.nsIMsgStatusFeedback) ||
iid.equals(Components.interfaces.nsIXULBrowserWindow) ||
iid.equals(Components.interfaces.nsISupportsWeakReference) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
},
// nsIMsgStatusFeedback implementation.
showStatusString : function(statusText)
{
this.ensureStatusFields();
if ( !statusText.length )
statusText = this.myDefaultStatus;
else
this.myDefaultStatus = "";
this.statusTextFld.label = statusText;
},
_startMeteors : function()
{
this.ensureStatusFields();
this.meteorsSpinning = true;
this.startTimeoutID = null;
// Show progress meter
this.statusPanel.collapsed = false;
// Turn progress meter on.
this.statusBar.setAttribute("mode","undetermined");
// start the throbber
if (this.throbber)
this.throbber.setAttribute("busy", true);
//turn on stop button and menu
if (this.stopCmd)
this.stopCmd.removeAttribute("disabled");
},
startMeteors : function()
{
this.pendingStartRequests++;
// if we don't already have a start meteor timeout pending
// and the meteors aren't spinning, then kick off a start
if (!this.startTimeoutID && !this.meteorsSpinning && window.MsgStatusFeedback)
this.startTimeoutID = setTimeout('window.MsgStatusFeedback._startMeteors();', 500);
// since we are going to start up the throbber no sense in processing
// a stop timeout...
if (this.stopTimeoutID)
{
clearTimeout(this.stopTimeoutID);
this.stopTimeoutID = null;
}
},
_stopMeteors : function()
{
if(gTimelineEnabled){
gTimelineService.stopTimer("FolderLoading");
gTimelineService.markTimer("FolderLoading");
gTimelineService.resetTimer("FolderLoading");
}
this.ensureStatusFields();
this.showStatusString(defaultStatus);
// stop the throbber
if (this.throbber)
this.throbber.setAttribute("busy", false);
// Turn progress meter off.
this.statusPanel.collapsed = true;
this.statusBar.setAttribute("mode","normal");
this.statusBar.value = 0; // be sure to clear the progress bar
this.statusBar.label = "";
if (this.stopCmd)
this.stopCmd.setAttribute("disabled", "true");
this.meteorsSpinning = false;
this.stopTimeoutID = null;
},
stopMeteors : function()
{
if (this.pendingStartRequests > 0)
this.pendingStartRequests--;
// if we are going to be starting the meteors, cancel the start
if (this.pendingStartRequests == 0 && this.startTimeoutID)
{
clearTimeout(this.startTimeoutID);
this.startTimeoutID = null;
}
// if we have no more pending starts and we don't have a stop timeout already in progress
// AND the meteors are currently running then fire a stop timeout to shut them down.
if (this.pendingStartRequests == 0 && !this.stopTimeoutID)
{
if (this.meteorsSpinning && window.MsgStatusFeedback)
this.stopTimeoutID = setTimeout('window.MsgStatusFeedback._stopMeteors();', 500);
}
},
showProgress : function(percentage)
{
this.ensureStatusFields();
if (percentage >= 0)
{
this.statusBar.setAttribute("mode", "normal");
this.statusBar.value = percentage;
this.statusBar.label = Math.round(percentage) + "%";
}
}
}
function nsMsgWindowCommands()
{
}
nsMsgWindowCommands.prototype =
{
QueryInterface : function(iid)
{
if (iid.equals(Components.interfaces.nsIMsgWindowCommands) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
},
selectFolder: function(folderUri)
{
SelectFolder(folderUri);
},
selectMessage: function(messageUri)
{
SelectMessage(messageUri);
},
clearMsgPane: function()
{
if (gDBView)
setTitleFromFolder(gDBView.msgFolder,null);
else
setTitleFromFolder(null,null);
ClearMessagePane();
}
}
function StopUrls()
{
msgWindow.StopUrls();
}
function loadStartPage()
{
try
{
gMessageNotificationBar.clearMsgNotifications();
var startpageenabled = pref.getBoolPref("mailnews.start_page.enabled");
if (startpageenabled)
{
var startpage = GetLocalizedStringPref("mailnews.start_page.url");
if (startpage)
{
// first, clear out the charset setting.
messenger.setDisplayCharset("");
GetMessagePaneFrame().location.href = startpage;
//dump("start message pane with: " + startpage + "\n");
ClearMessageSelection();
}
}
}
catch (ex)
{
dump("Error loading start page.\n");
return;
}
}
// Given the server, open the twisty and the set the selection
// on inbox of that server.
// prompt if offline.
function OpenInboxForServer(server)
{
try {
ShowThreadPane();
var inboxFolder = GetInboxFolder(server);
SelectFolder(inboxFolder.URI);
if (!Services.io.offline) {
if (server.type != "imap")
GetMessagesForInboxOnServer(server);
}
else if (DoGetNewMailWhenOffline()) {
GetMessagesForInboxOnServer(server);
}
}
catch (ex) {
dump("Error opening inbox for server -> " + ex + "\n");
return;
}
}
function GetSearchSession()
{
if (("gSearchSession" in top) && gSearchSession)
return gSearchSession;
else
return null;
}
function SetKeywords(aKeywords)
{
// we cache the last keywords.
// if there is no chagne, we do nothing.
// most of the time, this will be the case.
if (aKeywords == gLastKeywords)
return;
// these are the UI elements who care about keywords
var elements = document.getElementsByAttribute("keywordrelated","true");
var len = elements.length;
for (var i=0; i<len; i++) {
var element = elements[i];
var originalclass = element.getAttribute("originalclass");
// we use XBL for certain headers.
// if the element has keywordrelated="true"
// but no original class, it's an XBL widget
// so to get the real element, use getAnonymousElementByAttribute()
if (!originalclass) {
element = document.getAnonymousElementByAttribute(element, "keywordrelated", "true");
originalclass = element.getAttribute("originalclass");
}
if (aKeywords) {
if (element.getAttribute("appendoriginalclass") == "true") {
aKeywords += " " + originalclass;
}
element.setAttribute("class", aKeywords);
}
else {
// if no keywords, reset class to the original class
element.setAttribute("class", originalclass);
}
}
// cache the keywords
gLastKeywords = aKeywords;
}