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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
const nsIWebBrowserChrome = Ci.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
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIURIContentListener)
.parentContentListener = this;
}
var registerWindow = false;
try {
var treeItem = contentWindow.docShell.QueryInterface(Ci.nsIDocShellTreeItem);
var treeOwner = treeItem.treeOwner;
var interfaceRequestor = treeOwner.QueryInterface(Ci.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 = Cc["@mozilla.org/uriloader;1"].getService(Ci.nsIURILoader);
uriLoader.registerContentListener(this);
}
},
close: function()
{
this.contentWindow = null;
var uriLoader = Cc["@mozilla.org/uriloader;1"].getService(Ci.nsIURILoader);
uriLoader.unRegisterContentListener(this);
},
QueryInterface: function(iid)
{
if (iid.equals(Ci.nsIURIContentListener) ||
iid.equals(Ci.nsISupportsWeakReference) ||
iid.equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
},
doContent: function(contentType, isContentPreferred, request, contentHandler)
{
// forward the doContent to our content area webshell
var docShell = this.contentWindow.docShell;
if (Services.prefs.getIntPref("browser.link.open_external") == nsIBrowserDOMWindow.OPEN_NEWTAB) {
var newTab = gBrowser.loadOneTab("about:blank", {
inBackground: Services.prefs.getBoolPref("browser.tabs.loadDivertedInBackground")});
docShell = gBrowser.getBrowserForTab(newTab).docShell;
}
var contentListener;
try {
contentListener =
docShell.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIURIContentListener);
} catch (ex) {
dump(ex);
}
if (!contentListener) return false;
return contentListener.doContent(contentType, isContentPreferred, request, contentHandler);
},
isPreferred: function(contentType, desiredContentType)
{
if (Services.prefs.getIntPref("browser.link.open_external") == nsIBrowserDOMWindow.OPEN_NEWWINDOW)
return false;
try {
var webNavInfo =
Cc["@mozilla.org/webnavigation-info;1"]
.getService(Ci.nsIWebNavigationInfo);
return webNavInfo.isTypeSupported(contentType, null);
} catch (e) {
// XXX propagate failures other than "NS_ERROR_NOT_AVAILABLE"?
// This seems to never get called, so not like it matters....
return false;
}
},
canHandleContent: function(contentType, isContentPreferred, desiredContentType)
{
var docShell = this.contentWindow.docShell;
var contentListener;
try {
contentListener =
docShell.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.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
}