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Viewing changes to Nevow/nevow/js/Nevow/Athena/__init__.js

  • Committer: mithrandi
  • Date: 2008-10-15 14:34:46 UTC
  • Revision ID: svn-v4:866e43f7-fbfc-0310-8f2a-ec88d1da2979:trunk:16846
Fix onbeforeunload functionality in IE browsers.

Fixes #2731
Author: mithrandi
Reviewer: exarkun

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Nevow/nevow/js/Nevow/Athena/__init__.js
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    },
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    /**
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     * Bind this page's global event handlers to a window object.
 
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     * Construct an event handler function that dispatches to a method on
 
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     * self.
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     */
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    function bindEvents(self, aWindow) {
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        var evts = ['onbeforeunload', 'onkeypress'];
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        for (var i = 0; i < evts.length; i++) {
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            Divmod.Base.addToCallStack(
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                aWindow, evts[i],
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                // This mess of nested functions is the easiest way to capture
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                // evts[i] and still get 'self' right in the inner function.
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                // Honest!
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                (function (evtName) {
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                    var thunk = function (evtObj) {
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                        return self[evtName](evtObj);
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                    };
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                    return thunk;
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                })(evts[i]),
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                false);
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        }
 
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    function makeHandler(self, evtName) {
 
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        var thunk = function (evtObj) {
 
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            return self[evtName](evtObj);
 
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        };
 
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        return thunk;
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    },
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    /**
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    var self = this;
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    var pageClass = Divmod.namedAny(pageClassName);
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    self.page = pageClass(clientID, Nevow.Athena._createMessageDelivery);
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    self.page.bindEvents(window);
 
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    Divmod.Base.addToCallStack(
 
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        window, 'onkeypress', self.page.makeHandler('onkeypress'));
 
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    Divmod.Runtime.theRuntime.addLoadEvent(function transportStartup() {
 
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            Divmod.Runtime.theRuntime.addBeforeUnloadHandler(
 
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                window, self.page.makeHandler('onbeforeunload'));
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            Divmod.debug("transport", "starting up");
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            self.page.deliveryChannel.start();
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            Divmod.debug("transport", "started up");