michael@0: /* vim:set ts=2 sw=2 sts=2 et: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const TEST_URI = "http://example.com/browser/dom/tests/browser/test-console-api.html";
michael@0: 
michael@0: var gWindow, gLevel, gArgs, gTestDriver, gStyle;
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   var tab = gBrowser.addTab(TEST_URI);
michael@0:   gBrowser.selectedTab = tab;
michael@0:   var browser = gBrowser.selectedBrowser;
michael@0: 
michael@0:   registerCleanupFunction(function () {
michael@0:     gWindow = gLevel = gArgs = gTestDriver = null;
michael@0:     gBrowser.removeTab(tab);
michael@0:   });
michael@0: 
michael@0:   ConsoleObserver.init();
michael@0: 
michael@0:   browser.addEventListener("DOMContentLoaded", function onLoad(event) {
michael@0:     browser.removeEventListener("DOMContentLoaded", onLoad, false);
michael@0:     executeSoon(function test_executeSoon() {
michael@0:       gWindow = browser.contentWindow;
michael@0:       consoleAPISanityTest();
michael@0:       gTestDriver = observeConsoleTest();
michael@0:       gTestDriver.next();
michael@0:     });
michael@0: 
michael@0:   }, false);
michael@0: }
michael@0: 
michael@0: function testConsoleData(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   is(aMessageObject.level, gLevel, "expected level received");
michael@0:   ok(aMessageObject.arguments, "we have arguments");
michael@0: 
michael@0:   switch (gLevel) {
michael@0:     case "trace": {
michael@0:       is(aMessageObject.arguments.length, 0, "arguments.length matches");
michael@0:       is(aMessageObject.stacktrace.toSource(), gArgs.toSource(),
michael@0:          "stack trace is correct");
michael@0:       break
michael@0:     }
michael@0:     case "count": {
michael@0:       is(aMessageObject.counter.label, gArgs[0].label, "label matches");
michael@0:       is(aMessageObject.counter.count, gArgs[0].count, "count matches");
michael@0:       break;
michael@0:     }
michael@0:     default: {
michael@0:       is(aMessageObject.arguments.length, gArgs.length, "arguments.length matches");
michael@0:       gArgs.forEach(function (a, i) {
michael@0:         // Waive Xray so that we don't get messed up by Xray ToString.
michael@0:         //
michael@0:         // It'd be nice to just use XPCNativeWrapper.unwrap here, but there are
michael@0:         // a number of dumb reasons we can't. See bug 868675.
michael@0:         var arg = aMessageObject.arguments[i];
michael@0:         if (Components.utils.isXrayWrapper(arg))
michael@0:           arg = arg.wrappedJSObject;
michael@0:         is(arg, a, "correct arg " + i);
michael@0:       });
michael@0: 
michael@0:       if (gStyle) {
michael@0:         is(aMessageObject.styles.length, gStyle.length, "styles.length matches");
michael@0:         is(aMessageObject.styles + "", gStyle + "", "styles match");
michael@0:       } else {
michael@0:         ok(!aMessageObject.styles || aMessageObject.styles.length === 0,
michael@0:            "styles match");
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   gTestDriver.next();
michael@0: }
michael@0: 
michael@0: function testLocationData(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   is(aMessageObject.level, gLevel, "expected level received");
michael@0:   ok(aMessageObject.arguments, "we have arguments");
michael@0: 
michael@0:   is(aMessageObject.filename, gArgs[0].filename, "filename matches");
michael@0:   is(aMessageObject.lineNumber, gArgs[0].lineNumber, "lineNumber matches");
michael@0:   is(aMessageObject.functionName, gArgs[0].functionName, "functionName matches");
michael@0:   is(aMessageObject.arguments.length, gArgs[0].arguments.length, "arguments.length matches");
michael@0:   gArgs[0].arguments.forEach(function (a, i) {
michael@0:     is(aMessageObject.arguments[i], a, "correct arg " + i);
michael@0:   });
michael@0: 
michael@0:   startNativeCallbackTest();
michael@0: }
michael@0: 
michael@0: function startNativeCallbackTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testNativeCallback(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-nativeCallback");
michael@0:   ok(button, "found #test-nativeCallback button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function testNativeCallback(aMessageObject) {
michael@0:   is(aMessageObject.level, "log", "expected level received");
michael@0:   is(aMessageObject.filename, "", "filename matches");
michael@0:   is(aMessageObject.lineNumber, 0, "lineNumber matches");
michael@0:   is(aMessageObject.functionName, "", "functionName matches");
michael@0: 
michael@0:   startGroupTest();
michael@0: }
michael@0: 
michael@0: function startGroupTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testConsoleGroup(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0:   let button = gWindow.document.getElementById("test-groups");
michael@0:   ok(button, "found #test-groups button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function testConsoleGroup(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   ok(aMessageObject.level == "group" ||
michael@0:      aMessageObject.level == "groupCollapsed" ||
michael@0:      aMessageObject.level == "groupEnd",
michael@0:      "expected level received");
michael@0: 
michael@0:   is(aMessageObject.functionName, "testGroups", "functionName matches");
michael@0:   ok(aMessageObject.lineNumber >= 46 && aMessageObject.lineNumber <= 50,
michael@0:      "lineNumber matches");
michael@0:   if (aMessageObject.level == "groupCollapsed") {
michael@0:     is(aMessageObject.groupName, "a group", "groupCollapsed groupName matches");
michael@0:     is(aMessageObject.arguments[0], "a", "groupCollapsed arguments[0] matches");
michael@0:     is(aMessageObject.arguments[1], "group", "groupCollapsed arguments[0] matches");
michael@0:   }
michael@0:   else if (aMessageObject.level == "group") {
michael@0:     is(aMessageObject.groupName, "b group", "group groupName matches");
michael@0:     is(aMessageObject.arguments[0], "b", "group arguments[0] matches");
michael@0:     is(aMessageObject.arguments[1], "group", "group arguments[1] matches");
michael@0:   }
michael@0:   else if (aMessageObject.level == "groupEnd") {
michael@0:     let groupName = Array.prototype.join.call(aMessageObject.arguments, " ");
michael@0:     is(groupName,"b group", "groupEnd arguments matches");
michael@0:     is(aMessageObject.groupName, "b group", "groupEnd groupName matches");
michael@0:   }
michael@0: 
michael@0:   if (aMessageObject.level == "groupEnd") {
michael@0:     startTimeTest();
michael@0:   }
michael@0: }
michael@0: 
michael@0: function startTraceTest() {
michael@0:   gLevel = "trace";
michael@0:   gArgs = [
michael@0:     {filename: TEST_URI, functionName: "window.foobar585956c", language: 2, lineNumber: 6},
michael@0:     {filename: TEST_URI, functionName: "foobar585956b", language: 2, lineNumber: 11},
michael@0:     {filename: TEST_URI, functionName: "foobar585956a", language: 2, lineNumber: 15},
michael@0:     {filename: TEST_URI, functionName: "onclick", language: 2, lineNumber: 1}
michael@0:   ];
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-trace");
michael@0:   ok(button, "found #test-trace button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function startLocationTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testLocationData(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0:   gLevel = "log";
michael@0:   gArgs = [
michael@0:     {filename: TEST_URI, functionName: "foobar646025", arguments: ["omg", "o", "d"], lineNumber: 19}
michael@0:   ];
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-location");
michael@0:   ok(button, "found #test-location button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function expect(level) {
michael@0:   gLevel = level;
michael@0:   gArgs = Array.slice(arguments, 1);
michael@0: }
michael@0: 
michael@0: function observeConsoleTest() {
michael@0:   let win = XPCNativeWrapper.unwrap(gWindow);
michael@0:   expect("log", "arg");
michael@0:   win.console.log("arg");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("info", "arg", "extra arg");
michael@0:   win.console.info("arg", "extra arg");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("warn", "Lesson 1: PI is approximately equal to 3");
michael@0:   win.console.warn("Lesson %d: %s is approximately equal to %1.0f",
michael@0:                    1,
michael@0:                    "PI",
michael@0:                    3.14159);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("warn", "Lesson 1: PI is approximately equal to 3.14");
michael@0:   win.console.warn("Lesson %d: %s is approximately equal to %1.2f",
michael@0:                    1,
michael@0:                    "PI",
michael@0:                    3.14159);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("warn", "Lesson 1: PI is approximately equal to 3.141590");
michael@0:   win.console.warn("Lesson %d: %s is approximately equal to %f",
michael@0:                    1,
michael@0:                    "PI",
michael@0:                    3.14159);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("warn", "Lesson 1: PI is approximately equal to 3.1415900");
michael@0:   win.console.warn("Lesson %d: %s is approximately equal to %0.7f",
michael@0:                    1,
michael@0:                    "PI",
michael@0:                    3.14159);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("log", "%d, %s, %l");
michael@0:   win.console.log("%d, %s, %l");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("log", "%a %b %g");
michael@0:   win.console.log("%a %b %g");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("log", "%a %b %g", "a", "b");
michael@0:   win.console.log("%a %b %g", "a", "b");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("log", "2, a, %l", 3);
michael@0:   win.console.log("%d, %s, %l", 2, "a", 3);
michael@0:   yield undefined;
michael@0: 
michael@0:   // Bug #692550 handle null and undefined.
michael@0:   expect("log", "null, undefined");
michael@0:   win.console.log("%s, %s", null, undefined);
michael@0:   yield undefined;
michael@0: 
michael@0:   // Bug #696288 handle object as first argument.
michael@0:   let obj = { a: 1 };
michael@0:   expect("log", obj, "a");
michael@0:   win.console.log(obj, "a");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("dir", win.toString());
michael@0:   win.console.dir(win);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("error", "arg");
michael@0:   win.console.error("arg");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("exception", "arg");
michael@0:   win.console.exception("arg");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("log", "foobar");
michael@0:   gStyle = ["color:red;foobar;;"];
michael@0:   win.console.log("%cfoobar", gStyle[0]);
michael@0:   yield undefined;
michael@0: 
michael@0:   let obj4 = { d: 4 };
michael@0:   expect("warn", "foobar", obj4, "test", "bazbazstr", "last");
michael@0:   gStyle = [null, null, null, "color:blue;", "color:red"];
michael@0:   win.console.warn("foobar%Otest%cbazbaz%s%clast", obj4, gStyle[3], "str", gStyle[4]);
michael@0:   yield undefined;
michael@0: 
michael@0:   let obj3 = { c: 3 };
michael@0:   expect("info", "foobar", "bazbaz", obj3, "%comg", "color:yellow");
michael@0:   gStyle = [null, "color:pink;"];
michael@0:   win.console.info("foobar%cbazbaz", gStyle[1], obj3, "%comg", "color:yellow");
michael@0:   yield undefined;
michael@0: 
michael@0:   gStyle = null;
michael@0:   let obj2 = { b: 2 };
michael@0:   expect("log", "omg ", obj, " foo ", 4, obj2);
michael@0:   win.console.log("omg %o foo %o", obj, 4, obj2);
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("assert", "message");
michael@0:   win.console.assert(false, "message");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("count", { label: "label a", count: 1 })
michael@0:   win.console.count("label a");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("count", { label: "label b", count: 1 })
michael@0:   win.console.count("label b");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("count", { label: "label a", count: 2 })
michael@0:   win.console.count("label a");
michael@0:   yield undefined;
michael@0: 
michael@0:   expect("count", { label: "label b", count: 2 })
michael@0:   win.console.count("label b");
michael@0:   yield undefined;
michael@0: 
michael@0:   startTraceTest();
michael@0:   yield undefined;
michael@0: 
michael@0:   startLocationTest();
michael@0:   yield undefined;
michael@0: }
michael@0: 
michael@0: function consoleAPISanityTest() {
michael@0:   let win = XPCNativeWrapper.unwrap(gWindow);
michael@0:   ok(win.console, "we have a console attached");
michael@0:   ok(win.console, "we have a console attached, 2nd attempt");
michael@0: 
michael@0:   ok(win.console.log, "console.log is here");
michael@0:   ok(win.console.info, "console.info is here");
michael@0:   ok(win.console.warn, "console.warn is here");
michael@0:   ok(win.console.error, "console.error is here");
michael@0:   ok(win.console.exception, "console.exception is here");
michael@0:   ok(win.console.trace, "console.trace is here");
michael@0:   ok(win.console.dir, "console.dir is here");
michael@0:   ok(win.console.group, "console.group is here");
michael@0:   ok(win.console.groupCollapsed, "console.groupCollapsed is here");
michael@0:   ok(win.console.groupEnd, "console.groupEnd is here");
michael@0:   ok(win.console.time, "console.time is here");
michael@0:   ok(win.console.timeEnd, "console.timeEnd is here");
michael@0:   ok(win.console.assert, "console.assert is here");
michael@0:   ok(win.console.count, "console.count is here");
michael@0: }
michael@0: 
michael@0: function startTimeTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testConsoleTime(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0:   gLevel = "time";
michael@0:   gArgs = [
michael@0:     {filename: TEST_URI, lineNumber: 23, functionName: "startTimer",
michael@0:      arguments: ["foo"],
michael@0:      timer: { name: "foo" },
michael@0:     }
michael@0:   ];
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-time");
michael@0:   ok(button, "found #test-time button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function testConsoleTime(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   is(aMessageObject.level, gLevel, "expected level received");
michael@0: 
michael@0:   is(aMessageObject.filename, gArgs[0].filename, "filename matches");
michael@0:   is(aMessageObject.lineNumber, gArgs[0].lineNumber, "lineNumber matches");
michael@0:   is(aMessageObject.functionName, gArgs[0].functionName, "functionName matches");
michael@0:   is(aMessageObject.timer.name, gArgs[0].timer.name, "timer.name matches");
michael@0:   ok(aMessageObject.timer.started, "timer.started exists");
michael@0: 
michael@0:   gArgs[0].arguments.forEach(function (a, i) {
michael@0:     is(aMessageObject.arguments[i], a, "correct arg " + i);
michael@0:   });
michael@0: 
michael@0:   startTimeEndTest();
michael@0: }
michael@0: 
michael@0: function startTimeEndTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testConsoleTimeEnd(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0:   gLevel = "timeEnd";
michael@0:   gArgs = [
michael@0:     {filename: TEST_URI, lineNumber: 27, functionName: "stopTimer",
michael@0:      arguments: ["foo"],
michael@0:      timer: { name: "foo" },
michael@0:     },
michael@0:   ];
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-timeEnd");
michael@0:   ok(button, "found #test-timeEnd button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function testConsoleTimeEnd(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   is(aMessageObject.level, gLevel, "expected level received");
michael@0:   ok(aMessageObject.arguments, "we have arguments");
michael@0: 
michael@0:   is(aMessageObject.filename, gArgs[0].filename, "filename matches");
michael@0:   is(aMessageObject.lineNumber, gArgs[0].lineNumber, "lineNumber matches");
michael@0:   is(aMessageObject.functionName, gArgs[0].functionName, "functionName matches");
michael@0:   is(aMessageObject.arguments.length, gArgs[0].arguments.length, "arguments.length matches");
michael@0:   is(aMessageObject.timer.name, gArgs[0].timer.name, "timer name matches");
michael@0:   is(typeof aMessageObject.timer.duration, "number", "timer duration is a number");
michael@0:   info("timer duration: " + aMessageObject.timer.duration);
michael@0:   ok(aMessageObject.timer.duration >= 0, "timer duration is positive");
michael@0: 
michael@0:   gArgs[0].arguments.forEach(function (a, i) {
michael@0:     is(aMessageObject.arguments[i], a, "correct arg " + i);
michael@0:   });
michael@0: 
michael@0:   startEmptyTimerTest();
michael@0: }
michael@0: 
michael@0: function startEmptyTimerTest() {
michael@0:   // Reset the observer function to cope with the fabricated test data.
michael@0:   ConsoleObserver.observe = function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testEmptyTimer(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   let button = gWindow.document.getElementById("test-namelessTimer");
michael@0:   ok(button, "found #test-namelessTimer button");
michael@0:   EventUtils.synthesizeMouseAtCenter(button, {}, gWindow);
michael@0: }
michael@0: 
michael@0: function testEmptyTimer(aMessageObject) {
michael@0:   let messageWindow = Services.wm.getOuterWindowWithId(aMessageObject.ID);
michael@0:   is(messageWindow, gWindow, "found correct window by window ID");
michael@0: 
michael@0:   ok(aMessageObject.level == "time" || aMessageObject.level == "timeEnd",
michael@0:      "expected level received");
michael@0:   is(aMessageObject.arguments.length, 0, "we don't have arguments");
michael@0:   ok(!aMessageObject.timer, "we don't have a timer");
michael@0: 
michael@0:   is(aMessageObject.functionName, "namelessTimer", "functionName matches");
michael@0:   ok(aMessageObject.lineNumber == 31 || aMessageObject.lineNumber == 32,
michael@0:      "lineNumber matches");
michael@0:   // Test finished
michael@0:   ConsoleObserver.destroy();
michael@0:   finish();
michael@0: }
michael@0: 
michael@0: var ConsoleObserver = {
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
michael@0: 
michael@0:   init: function CO_init() {
michael@0:     Services.obs.addObserver(this, "console-api-log-event", false);
michael@0:   },
michael@0: 
michael@0:   destroy: function CO_destroy() {
michael@0:     Services.obs.removeObserver(this, "console-api-log-event");
michael@0:   },
michael@0: 
michael@0:   observe: function CO_observe(aSubject, aTopic, aData) {
michael@0:     try {
michael@0:       testConsoleData(aSubject.wrappedJSObject);
michael@0:     } catch (ex) {
michael@0:       // XXX Bug 906593 - Exceptions in this function currently aren't
michael@0:       // reported, because of some XPConnect weirdness, so report them manually
michael@0:       ok(false, "Exception thrown in CO_observe: " + ex);
michael@0:     }
michael@0:   }
michael@0: };
michael@0: 
michael@0: function getWindowId(aWindow)
michael@0: {
michael@0:   return aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
michael@0:                 .getInterface(Ci.nsIDOMWindowUtils)
michael@0:                 .outerWindowID;
michael@0: }