gecko/toolkit/content/tests/chrome/RegisterUnregisterChrome.js
Simon Montagu b49c3ecda7 Test for bug 558403
--HG--
rename : toolkit/content/tests/chrome/bug437844.css => toolkit/content/tests/chrome/rtlchrome/rtl.css
rename : toolkit/content/tests/chrome/bug437844.dtd => toolkit/content/tests/chrome/rtlchrome/rtl.dtd
rename : toolkit/content/tests/chrome/bug437844.manifest => toolkit/content/tests/chrome/rtlchrome/rtl.manifest
2010-04-29 09:08:15 +03:00

118 lines
3.0 KiB
JavaScript

/* This code is mostly copied from chrome/test/unit/head_crtestutils.js */
const NS_CHROME_MANIFESTS_FILE_LIST = "ChromeML";
const XUL_CACHE_PREF = "nglayout.debug.disable_xul_cache";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
let gDirSvc = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIDirectoryService);
let gChromeReg = Cc["@mozilla.org/chrome/chrome-registry;1"].
getService(Ci.nsIXULChromeRegistry);
let gPrefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var gProvider, gHasChrome, gHasSkins;
function ArrayEnumerator(array)
{
this.array = array;
}
ArrayEnumerator.prototype = {
pos: 0,
hasMoreElements: function() {
return this.pos < this.array.length;
},
getNext: function() {
if (this.pos < this.array.length)
return this.array[this.pos++];
throw Cr.NS_ERROR_FAILURE;
},
QueryInterface: function(iid) {
if (iid.equals(Ci.nsISimpleEnumerator)
|| iid.equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
}
};
function ChromeProvider(manifests)
{
this._manifests = manifests;
}
ChromeProvider.prototype = {
getFile: function(prop, persistent) {
throw Cr.NS_ERROR_FAILURE;
},
getFiles: function(prop) {
if (prop == NS_CHROME_MANIFESTS_FILE_LIST) {
return new ArrayEnumerator(this._manifests);
}
throw Cr.NS_ERROR_FAILURE;
},
QueryInterface: function(iid) {
if (iid.equals(Ci.nsIDirectoryServiceProvider)
|| iid.equals(Ci.nsIDirectoryServiceProvider2)
|| iid.equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
}
};
function registerManifests(manifests)
{
let provider = new ChromeProvider(manifests);
gDirSvc.registerProvider(provider);
return provider;
}
function refreshChrome()
{
if (gHasChrome)
gChromeReg.checkForNewChrome();
if (gHasSkins)
gChromeReg.refreshSkins();
}
function registerCustomChrome(chromedir, hasChrome, hasSkins)
{
gHasChrome = hasChrome;
gHasSkins = hasSkins;
// Disable XUL cache temporarily
gPrefs.setBoolPref(XUL_CACHE_PREF, true);
// Register our manifest
let manifests = [];
let currentManifests = gDirSvc.QueryInterface(Ci.nsIProperties)
.get(NS_CHROME_MANIFESTS_FILE_LIST,
Ci.nsISimpleEnumerator);
while (currentManifests.hasMoreElements())
manifests.push(currentManifests.getNext());
let uri = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService).newURI(chromedir, null, null);
uri = gChromeReg.convertChromeURL(uri);
let newChromePath = uri.QueryInterface(Ci.nsIFileURL).file;
manifests.push(newChromePath);
gProvider = registerManifests(manifests);
refreshChrome();
return uri;
}
function cleanupCustomChrome()
{
gDirSvc.unregisterProvider(gProvider);
refreshChrome();
gPrefs.clearUserPref(XUL_CACHE_PREF);
}