зеркало из https://github.com/mozilla/gecko-dev.git
187 строки
5.0 KiB
HTML
187 строки
5.0 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>Whitespace text accessible creation/desctruction</title>
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<link rel="stylesheet" type="text/css"
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href="chrome://mochikit/content/tests/SimpleTest/test.css" />
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<script type="application/javascript"
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src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript"
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src="../common.js"></script>
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<script type="application/javascript"
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src="../role.js"></script>
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<script type="application/javascript"
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src="../events.js"></script>
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<script type="application/javascript">
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////////////////////////////////////////////////////////////////////////////
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// Invokers
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/**
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* Middle image accessible removal results in text accessible removal.
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*
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* Before:
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* DOM: whitespace img1 whitespace img2 whitespace img3 whitespace,
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* a11y: img1 whitespace img2 whitespace img3
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* After:
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* DOM: whitespace img1 whitespace whitespace img3 whitespace,
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* a11y: img1 whitespace img3
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*/
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function removeImg()
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{
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this.containerNode = getNode("container1");
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this.imgNode = getNode("img1");
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this.img = getAccessible(this.imgNode);
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this.text = this.img.nextSibling;
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this.eventSeq = [
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new invokerChecker(EVENT_HIDE, this.img),
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new invokerChecker(EVENT_HIDE, this.text),
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new invokerChecker(EVENT_REORDER, this.containerNode)
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];
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this.finalCheck = function textLeafUpdate_finalCheck()
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{
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var tree =
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{ SECTION: [
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{ GRAPHIC: [] },
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{ TEXT_LEAF: [] },
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{ GRAPHIC: [] }
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] };
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testAccessibleTree(this.containerNode, tree);
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}
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this.invoke = function setOnClickAttr_invoke()
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{
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var tree =
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{ SECTION: [
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{ GRAPHIC: [] },
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{ TEXT_LEAF: [] },
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{ GRAPHIC: [] },
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{ TEXT_LEAF: [] },
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{ GRAPHIC: [] }
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] };
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testAccessibleTree(this.containerNode, tree);
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this.containerNode.removeChild(this.imgNode);
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}
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this.getID = function setOnClickAttr_getID()
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{
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return "remove middle img";
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}
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}
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/**
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* Append image making the whitespace visible and thus accessible.
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* Note: images and whitespaces are on different leves of accessible trees,
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* so that image container accessible update doesn't update the tree
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* of whitespace container.
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*
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* Before:
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* DOM: whitespace emptylink whitespace linkwithimg whitespace
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* a11y: emptylink linkwithimg
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* After:
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* DOM: whitespace linkwithimg whitespace linkwithimg whitespace
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* a11y: linkwithimg whitespace linkwithimg
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*/
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function insertImg()
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{
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this.containerNode = getNode("container2");
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this.topNode = this.containerNode.parentNode;
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this.textNode = this.containerNode.nextSibling;
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this.imgNode = document.createElement("img");
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this.imgNode.setAttribute("src", "../moz.png");
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this.eventSeq = [
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new invokerChecker(EVENT_SHOW, getAccessible, this.imgNode),
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new invokerChecker(EVENT_SHOW, getAccessible, this.textNode),
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new invokerChecker(EVENT_REORDER, this.topNode)
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];
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this.invoke = function insertImg_invoke()
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{
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var tree =
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{ SECTION: [
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{ LINK: [] },
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{ LINK: [
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{ GRAPHIC: [] }
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] }
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] };
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testAccessibleTree(this.topNode, tree);
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this.containerNode.appendChild(this.imgNode);
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}
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this.finalCheck = function insertImg_finalCheck()
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{
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var tree =
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{ SECTION: [
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{ LINK: [
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{ GRAPHIC: [ ] }
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] },
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{ TEXT_LEAF: [ ] },
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{ LINK: [
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{ GRAPHIC: [ ] }
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] }
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] };
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testAccessibleTree(this.topNode, tree);
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}
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this.getID = function appendImg_getID()
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{
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return "insert img into internal container";
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}
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}
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////////////////////////////////////////////////////////////////////////////
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// Test
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//gA11yEventDumpID = "eventdump"; // debug stuff
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//gA11yEventDumpToConsole = true;
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var gQueue = null;
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function doTest()
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{
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gQueue = new eventQueue();
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gQueue.push(new removeImg());
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gQueue.push(new insertImg());
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gQueue.invoke(); // SimpleTest.finish() will be called in the end
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}
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SimpleTest.waitForExplicitFinish();
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addA11yLoadEvent(doTest);
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</script>
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</head>
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<body>
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<a target="_blank"
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title="Make sure accessible tree is correct when rendered text is changed"
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href="https://bugzilla.mozilla.org/show_bug.cgi?id=625652">
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Mozilla Bug 625652
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</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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</pre>
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<div id="container1"> <img src="../moz.png"> <img id="img1" src="../moz.png"> <img src="../moz.png"> </div>
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<div> <a id="container2"></a> <a><img src="../moz.png"></a> </div>
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<div id="eventdump"></div>
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</body>
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</html>
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