Created
December 11, 2012 21:42
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| let { Cc, Ci } = require('chrome'); | |
| let appShellService = Cc['@mozilla.org/appshell/appShellService;1']. | |
| getService(Ci.nsIAppShellService); | |
| let service = Cc["@mozilla.org/observer-service;1"]. | |
| getService(Ci.nsIObserverService); | |
| let window = appShellService.hiddenDOMWindow; | |
| let document = window.document; | |
| let XUL = 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul' | |
| // It looks like using browser does not works unless type is set to content-targetable. | |
| let frame = document.createElementNS(XUL, "iframe"); | |
| frame.setAttribute("type", "content"); | |
| frame.setAttribute("src", "data:;charset=utf-8,"); | |
| document.documentElement.appendChild(frame); | |
| let docShell = frame.docShell; | |
| docShell.allowAuth = true; | |
| docShell.allowJavascript = true; | |
| docShell.allowPlugins = true; | |
| // New platform capability is required to add window control | |
| // For details see: Bug 635673 | |
| if ("allowWindowControl" in docShell) | |
| docShell.allowWindowControl = false; | |
| frame.setAttribute("flex", 1); | |
| frame.setAttribute("transparent", "transparent"); | |
| frame.setAttribute("showcaret", true); | |
| frame.setAttribute("clickthrough", "always"); | |
| frame.setAttribute("autocompleteenabled", true); | |
| frame.setAttribute("autoscroll", true); | |
| frame.setAttribute("src", "data:text/html,<script>" + | |
| "setTimeout(function(){" + | |
| "window.location='about:blank'" + | |
| "},450);" + | |
| "</script>"); | |
| frame.addEventListener("load", function(event) { | |
| console.log("observe destruction of: ", event.target.URL); | |
| let observeID = frame.contentWindow. | |
| QueryInterface(Ci.nsIInterfaceRequestor). | |
| getInterface(Ci.nsIDOMWindowUtils). | |
| currentInnerWindowID; | |
| let observer = { | |
| observe: function(subject, topic, data) { | |
| let windowID = subject.QueryInterface(Ci.nsISupportsPRUint64).data; | |
| console.log("observe: ", observeID, " window: ", windowID) | |
| if (windowID === observeID) { | |
| console.log("<<<< unload >>>>") | |
| service. removeObserver(observer, "inner-window-destroyed"); | |
| } | |
| } | |
| } | |
| service.addObserver(observer, "inner-window-destroyed", false); | |
| }, true) |
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