home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
ftp.swcp.com
/
ftp.swcp.com.zip
/
ftp.swcp.com
/
mac
/
mozilla-macos9-1.3.1.sea.bin
/
Mozilla1.3.1
/
Chrome
/
comm.jar
/
content
/
navigator
/
nsBrowserContentListener.js
< prev
next >
Wrap
Text File
|
2003-06-08
|
6KB
|
170 lines
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alec Flett <alecf@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const mediatorContractId = "@mozilla.org/appshell/window-mediator;1";
const nsIWebBrowserChrome = Components.interfaces.nsIWebBrowserChrome;
function nsBrowserContentListener(toplevelWindow, contentWindow)
{
// this one is not as easy as you would hope.
// need to convert toplevelWindow to an XPConnected object, instead
// of a DOM-based object, to be able to QI() it to nsIXULWindow
this.init(toplevelWindow, contentWindow);
}
/* implements nsIURIContentListener */
nsBrowserContentListener.prototype =
{
init: function(toplevelWindow, contentWindow)
{
this.toplevelWindow = toplevelWindow;
this.contentWindow = contentWindow;
// hook up the whole parent chain thing
var windowDocShell = this.convertWindowToDocShell(toplevelWindow);
if (windowDocShell)
windowDocshell.parentURIContentListener = this;
var registerWindow = false;
try {
var treeItem = contentWindow.docShell.QueryInterface(Components.interfaces.nsIDocShellTreeItem);
var treeOwner = treeItem.treeOwner;
var interfaceRequestor = treeOwner.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
var webBrowserChrome = interfaceRequestor.getInterface(nsIWebBrowserChrome);
if (webBrowserChrome)
{
var chromeFlags = webBrowserChrome.chromeFlags;
var res = chromeFlags & nsIWebBrowserChrome.CHROME_ALL;
var res2 = chromeFlags & nsIWebBrowserChrome.CHROME_DEFAULT;
if ( res == nsIWebBrowserChrome.CHROME_ALL || res2 == nsIWebBrowserChrome.CHROME_DEFAULT)
{
registerWindow = true;
}
}
} catch (ex) {}
// register ourselves
if (registerWindow)
{
var uriLoader = Components.classes["@mozilla.org/uriloader;1"].getService(Components.interfaces.nsIURILoader);
uriLoader.registerContentListener(this);
}
},
close: function()
{
this.contentWindow = null;
var uriLoader = Components.classes["@mozilla.org/uriloader;1"].getService(Components.interfaces.nsIURILoader);
uriLoader.unRegisterContentListener(this);
},
QueryInterface: function(iid)
{
if (iid.equals(Components.interfaces.nsIURIContentListener) ||
iid.equals(Components.interfaces.nsISupportsWeakReference) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
},
onStartURIOpen: function(uri)
{
// ignore and don't abort
return false;
},
doContent: function(contentType, isContentPreferred, request, contentHandler)
{
// forward the doContent to our content area webshell
var docShell = this.contentWindow.docShell;
var contentListener;
try {
contentListener =
docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIURIContentListener);
} catch (ex) {
dump(ex);
}
if (!contentListener) return false;
return contentListener.doContent(contentType, isContentPreferred, request, contentHandler);
},
isPreferred: function(contentType, desiredContentType)
{
// seems like we should be getting this from helper apps or something
switch(contentType) {
case "text/html":
case "text/xul":
case "text/rdf":
case "text/xml":
case "text/css":
case "image/gif":
case "image/jpeg":
case "image/png":
case "text/plain":
case "application/http-index-format":
return true;
}
return false;
},
canHandleContent: function(contentType, isContentPreferred, desiredContentType)
{
var docShell = this.contentWindow.docShell;
var contentListener;
try {
contentListener =
docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIURIContentListener);
} catch (ex) {
dump(ex);
}
if (!contentListener) return false;
return contentListener.canHandleContent(contentType, isContentPreferred, desiredContentType);
},
convertWindowToDocShell: function(win) {
// don't know how to do this
return null;
},
loadCookie: null,
parentContentListener: null
}