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//// $Id$
var RedirectorOverlay = {
id : "redirector@einaregilsson.com",
name : "Redirector",
initialized : false,
strings : null,
onLoad : function(event) {
try {
// initialization code
RedirLib.initialize(this);
RedirLib.debug("Initializing...");
$('contentAreaContextMenu')
.addEventListener("popupshowing", function(e) { RedirectorOverlay.showContextMenu(e); }, false);
Redirector.init();
var appcontent = window.document.getElementById('appcontent');
this.overrideOnStateChange();
if (appcontent && !appcontent.processed) {
appcontent.processed = true;
appcontent.addEventListener('DOMContentLoaded', function(event) {
RedirectorOverlay.onDOMContentLoaded(event);
}, false);
}
this.strings = document.getElementById("redirector-strings");
Redirector.strings = this.strings;
this.prefObserver.register();
this.setStatusBarImg();
RedirLib.debug("Finished initialization");
this.initialized = true;
} catch(e) {
//Don't use RedirLib because it's initialization might have failed.
if (this.strings) {
alert(this.strings.getString("initError")._(this.name) + "\n\n" + e);
} else {
alert(e);
}
}
},
overrideOnStateChange : function() {
var origOnStateChange = nsBrowserStatusHandler.prototype.onStateChange;
nsBrowserStatusHandler.prototype.onStateChange = function(aWebProgress, aRequest, aStateFlags, aStatus) {
if(aStateFlags & Ci.nsIWebProgressListener.STATE_START
&& aStateFlags| Ci.nsIWebProgressListener.STATE_IS_NETWORK
&& aStateFlags| Ci.nsIWebProgressListener.STATE_IS_REQUEST
&& aRequest && aWebProgress.DOMWindow == content) {
//If it's not a GET request we'll always do a slow redirect so the web will continue
//to work in the way you'd expect
try {
var oHttp = aRequest.QueryInterface(Ci.nsIHttpChannel);
var method = oHttp.requestMethod;
if (method != "GET") {
origOnStateChange.apply(this, arguments);
return;
}
} catch(ex) {
origOnStateChange.apply(this, arguments);
return;
}
var uri = aRequest.QueryInterface(Ci.nsIChannel).URI.spec;
RedirLib.debug('Checking url %1 for instant redirect'._(uri));
var redirectUrl = Redirector.getRedirectUrlForInstantRedirect(uri);
if (redirectUrl.url && oHttp.notificationCallbacks) {
const NS_BINDING_ABORTED = 0x804b0002;
aRequest.cancel(NS_BINDING_ABORTED);
var newStateFlags = Ci.nsIWebProgressListener.STATE_STOP | Ci.nsIWebProgressListener.STATE_IS_NETWORK | Ci.nsIWebProgressListener.STATE_IS_REQUEST;
origOnStateChange.call(this, aWebProgress, aRequest, newStateFlags, "");
var interfaceRequestor = oHttp.notificationCallbacks.QueryInterface(Ci.nsIInterfaceRequestor);
var targetDoc = interfaceRequestor.getInterface(Ci.nsIDOMWindow).document;
var gotoUrl = Redirector.makeAbsoluteUrl(uri, redirectUrl.url);
Redirector.goto(gotoUrl, redirectUrl.pattern, uri, targetDoc);
} else {
origOnStateChange.apply(this, arguments);
}
} else {
origOnStateChange.apply(this, arguments);
}
};
},
onDOMContentLoaded : function(event) {
var redirect, link, links, url;
if (event.target != window.content.document) {
return;
}
url = window.content.location.href;
RedirLib.debug('Processing url %1'._(url));
Redirector.processUrl(url, window.content);
},
onUnload : function(event) {
RedirectorOverlay.prefObserver.unregister();
Redirector.prefObserver.unregister();
//Clean up here
RedirLib.debug("Finished cleanup");
},
showContextMenu : function(event) {
if (gContextMenu.onLink) {
$("redirector-context").label = this.strings.getString('addLinkUrl');
} else {
$("redirector-context").label = this.strings.getString('addCurrentUrl');
}
},
onContextMenuCommand: function(event) {
var item = { exampleUrl : window.content.location.href, pattern: window.content.location.href};
if (gContextMenu.onLink) {
item.redirectUrl = gContextMenu.link.toString();
}
window.openDialog("chrome://redirector/content/redirect.xul",
"redirect",
"chrome,dialog,modal,centerscreen", item);
if (item.saved) {
Redirector.addRedirect(item);
}
},
onMenuItemCommand: function(event) {
window.openDialog("chrome://redirector/content/redirectList.xul",
"redirectList",
"chrome,dialog,modal,centerscreen", this);
},
toggleEnabled : function(event) {
RedirLib.setBoolPref('enabled', !RedirLib.getBoolPref('enabled'));
},
setStatusBarImg : function() {
var statusImg = $('redirector-statusbar-img');
if (RedirLib.getBoolPref('enabled')) {
statusImg.src = 'chrome://redirector/content/statusactive.png'
statusImg.setAttribute('tooltiptext', this.strings.getString('enabledTooltip'));
Redirector.enabled = true;
} else {
statusImg.src = 'chrome://redirector/content/statusinactive.png'
statusImg.setAttribute('tooltiptext', this.strings.getString('disabledTooltip'));
Redirector.enabled = false;
}
},
prefObserver : {
getService : function() {
return Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranchInternal);
},
register: function() {
this.getService().addObserver('extensions.redirector', this, false);
},
unregister: function() {
this.getService().removeObserver('extensions.redirector', this);
},
observe : function(subject, topic, data) {
if (topic == 'nsPref:changed' && data == 'extensions.redirector.enabled') {
RedirectorOverlay.setStatusBarImg();
}
}
}
};
window.addEventListener("load", function(event) { RedirectorOverlay.onLoad(event); }, false);
window.addEventListener("unload", function(event) { RedirectorOverlay.onUnload(event); }, false);
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