<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=887541 --> <head> <title>Test for event retargeting in web components</title> <script type="text/javascript" src="head.js"></script> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=887541">Bug 887541</a> <script> SimpleTest.waitForExplicitFinish(); createIframe() .then((aDocument) => { /* * Creates an event listener with an expected event target. */ function createEventListener(expectedTarget, msg) { return function(e) { is(e.target, expectedTarget, msg); }; } /* * Test of event retargeting through a basic ShadowRoot with a content insertion point. * * <div elemThree> ---- <shadow-root shadowOne> * | | * <div elemOne> <content elemTwo> * * Dispatch event on elemOne */ var elemOne = aDocument.createElement("div"); var elemTwo = aDocument.createElement("content"); var elemThree = aDocument.createElement("div"); var shadowOne = elemThree.attachShadow({mode: "open"}); elemThree.appendChild(elemOne); shadowOne.appendChild(elemTwo); elemOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemOne.")); elemTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemTwo.")); elemThree.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemThree.")); shadowOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowOne.")); var customEvent = new CustomEvent("custom", { "bubbles" : true }); elemOne.dispatchEvent(customEvent); /* * Test of event retargeting through a basic ShadowRoot with a content insertion point. * * <div elemThree> ---- <shadow-root shadowOne> * | | * <div elemOne> <content elemTwo> * * Dispatch event on elemTwo */ elemOne = aDocument.createElement("div"); elemTwo = aDocument.createElement("content"); elemThree = aDocument.createElement("div"); shadowOne = elemThree.attachShadow({mode: "open"}); elemThree.appendChild(elemOne); shadowOne.appendChild(elemTwo); elemTwo.addEventListener("custom", createEventListener(elemTwo, "elemTwo is in common ancestor tree of elemTwo.")); elemThree.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of elemThree.")); shadowOne.addEventListener("custom", createEventListener(elemTwo, "elemTwo is in common ancestor tree of shadowOne.")); customEvent = new CustomEvent("custom", { "bubbles" : true }); elemTwo.dispatchEvent(customEvent); /* * Test of event retargeting through a nested ShadowRoots with content insertion points. * * <div elemFive> --- <shadow-root shadowTwo> * | | * <div elemOne> <div elemFour> ----- <shadow-root shadowOne> * | | * <content elemTwo> <content elemThree> * * Dispatch custom event on elemOne. */ elemOne = aDocument.createElement("div"); elemTwo = aDocument.createElement("content"); elemThree = aDocument.createElement("content"); var elemFour = aDocument.createElement("div"); var elemFive = aDocument.createElement("div"); var shadowTwo = elemFive.attachShadow({mode: "open"}); shadowOne = elemFour.attachShadow({mode: "open"}); elemFive.appendChild(elemOne); shadowTwo.appendChild(elemFour); elemFour.appendChild(elemTwo); shadowOne.appendChild(elemThree); elemOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemOne.")); elemTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemTwo.")); elemThree.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemThree.")); elemFour.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemFour.")); elemFive.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemFive.")); shadowOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowOne.")); shadowTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowTwo.")); customEvent = new CustomEvent("custom", { "bubbles" : true }); elemOne.dispatchEvent(customEvent); /* * Test of event retargeting through a nested ShadowRoots with content insertion points. * * <div elemFive> --- <shadow-root shadowTwo> * | | * <div elemOne> <div elemFour> ----- <shadow-root shadowOne> * | | * <content elemTwo> <content elemThree> * * Dispatch custom event on elemThree. */ elemOne = aDocument.createElement("div"); elemTwo = aDocument.createElement("content"); elemThree = aDocument.createElement("content"); elemFour = aDocument.createElement("div"); elemFive = aDocument.createElement("div"); shadowTwo = elemFive.attachShadow({mode: "open"}); shadowOne = elemFour.attachShadow({mode: "open"}); elemFive.appendChild(elemOne); shadowTwo.appendChild(elemFour); elemFour.appendChild(elemTwo); shadowOne.appendChild(elemThree); elemThree.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of elemThree.")); elemFour.addEventListener("custom", createEventListener(elemFour, "elemFour is in common ancestor tree of elemFour.")); elemFive.addEventListener("custom", createEventListener(elemFive, "elemFive is in common ancestor tree of elemFive.")); shadowOne.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of shadowOne.")); shadowTwo.addEventListener("custom", createEventListener(elemFour, "elemFour is in common ancestor tree of shadowTwo.")); customEvent = new CustomEvent("custom", { "bubbles" : true }); elemThree.dispatchEvent(customEvent); SimpleTest.finish(); }); </script> </body> </html>