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Bug 821208 - don't reference chatbox.iframe until the XBL bindings have been created. r=gavin

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This commit is contained in:
Mark Hammond 2013-03-01 14:04:29 +11:00
parent 31abf66ed4
commit cfc07f42c3
1 changed files with 37 additions and 46 deletions
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83
browser/base/content/socialchat.xml
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@ -20,6 +20,37 @@
</content>
<implementation implements="nsIDOMEventListener">
<constructor><![CDATA[
let Social = Components.utils.import("resource:///modules/Social.jsm", {}).Social;
Social.setErrorListener(this.iframe, function(iframe) {
iframe.webNavigation.loadURI("about:socialerror?mode=compactInfo", null, null, null, null);
});
let iframeWindow = this.iframe.contentWindow;
this.addEventListener("DOMContentLoaded", function DOMContentLoaded() {
this.removeEventListener("DOMContentLoaded", DOMContentLoaded);
this.isActive = !this.minimized;
// process this._callbacks, then set to null so the chatbox creator
// knows to make new callbacks immediately.
for (let callback of this._callbacks) {
if (callback)
callback(iframeWindow);
}
this._callbacks = null;
// content can send a socialChatActivity event to have the UI update.
let chatActivity = function() {
this.setAttribute("activity", true);
this.parentNode.updateTitlebar(this);
}.bind(this);
iframeWindow.addEventListener("socialChatActivity", chatActivity);
iframeWindow.addEventListener("unload", function unload() {
iframeWindow.removeEventListener("unload", unload);
iframeWindow.removeEventListener("socialChatActivity", chatActivity);
});
});
this.setAttribute("src", this.src);
]]></constructor>
<field name="iframe" readonly="true">
document.getAnonymousElementByAttribute(this, "anonid", "iframe");
</field>
@ -381,51 +412,6 @@
]]></body>
</method>
<method name="initChatBox">
<!-- ideally this would be a method on the chatbox itself, but the
vagaries of XBL bindings means that in some edge cases the
chatbox methods don't exist yet when we need them to...
-->
<parameter name="aChatBox"/>
<parameter name="aProvider"/>
<parameter name="aURL"/>
<parameter name="aCallback"/>
<body><![CDATA[
// callbacks to be called when onload fires - more might be added
// if the same chat is requested before onload has fired. Set back
// to null in DOMContentLoaded, so null means DOMContentLoaded has
// already fired and new callbacks can be made immediately.
aChatBox._callbacks = [aCallback];
var tmp = {};
Components.utils.import("resource:///modules/Social.jsm", tmp);
tmp.Social.setErrorListener(aChatBox.iframe, function(iframe) {
iframe.webNavigation.loadURI("about:socialerror?mode=compactInfo", null, null, null, null);
});
let iframeWindow = aChatBox.iframe.contentWindow;
aChatBox.addEventListener("DOMContentLoaded", function DOMContentLoaded() {
aChatBox.removeEventListener("DOMContentLoaded", DOMContentLoaded);
aChatBox.isActive = !aChatBox.minimized;
for (let callback of aChatBox._callbacks) {
if (callback)
callback(iframeWindow);
}
aChatBox._callbacks = null;
function chatActivity() {
aChatBox.setAttribute("activity", true);
aChatBox.parentNode.updateTitlebar(aChatBox);
};
iframeWindow.addEventListener("socialChatActivity", chatActivity);
iframeWindow.addEventListener("unload", function unload() {
iframeWindow.removeEventListener("unload", unload);
iframeWindow.removeEventListener("socialChatActivity", chatActivity);
});
});
aChatBox.setAttribute("origin", aProvider.origin);
aChatBox.setAttribute("src", aURL);
]]></body>
</method>
<method name="openChat">
<parameter name="aProvider"/>
<parameter name="aURL"/>
@ -451,11 +437,16 @@
this.chatboxForURL.delete(aURL);
}
cb = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "chatbox");
// _callbacks is a javascript property instead of a <field> as it
// must exist before the (possibly delayed) bindings are created.
cb._callbacks = [aCallback];
// src also a javascript property; the src attribute is set in the ctor.
cb.src = aURL;
if (aMode == "minimized")
cb.setAttribute("minimized", "true");
cb.setAttribute("origin", aProvider.origin);
this.insertBefore(cb, this.firstChild);
this.selectedChat = cb;
this.initChatBox(cb, aProvider, aURL, aCallback);
this.chatboxForURL.set(aURL, Cu.getWeakReference(cb));
this.resize();
]]></body>