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diff --git a/accessible/tests/mochitest/events/test_mutation.html b/accessible/tests/mochitest/events/test_mutation.html new file mode 100644 index 0000000000..7ee876570b --- /dev/null +++ b/accessible/tests/mochitest/events/test_mutation.html @@ -0,0 +1,580 @@ +<html> + +<head> + <title>Accessible mutation events testing</title> + + <link rel="stylesheet" type="text/css" + href="chrome://mochikit/content/tests/SimpleTest/test.css" /> + + <style> + div.displayNone a { display:none; } + div.visibilityHidden a { visibility:hidden; } +</style> + + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script> + + <script type="application/javascript" + src="../common.js"></script> + <script type="application/javascript" + src="../events.js"></script> + + <script type="application/javascript"> + /** + * Invokers. + */ + var kNoEvents = 0; + + var kShowEvent = 1; + var kHideEvent = 2; + var kReorderEvent = 4; + var kShowEvents = kShowEvent | kReorderEvent; + var kHideEvents = kHideEvent | kReorderEvent; + var kHideAndShowEvents = kHideEvents | kShowEvent; + + /** + * Base class to test mutation a11y events. + * + * @param aNodeOrID [in] node invoker's action is executed for + * @param aEventTypes [in] events to register (see constants above) + * @param aDoNotExpectEvents [in] boolean indicates if events are expected + */ + function mutateA11yTree(aNodeOrID, aEventTypes, aDoNotExpectEvents) { + // Interface + this.DOMNode = getNode(aNodeOrID); + this.doNotExpectEvents = aDoNotExpectEvents; + this.eventSeq = []; + this.unexpectedEventSeq = []; + + /** + * Change default target (aNodeOrID) registered for the given event type. + */ + this.setTarget = function mutateA11yTree_setTarget(aEventType, aTarget) { + var type = this.getA11yEventType(aEventType); + for (var idx = 0; idx < this.getEventSeq().length; idx++) { + if (this.getEventSeq()[idx].type == type) { + this.getEventSeq()[idx].target = aTarget; + return idx; + } + } + return -1; + }; + + /** + * Replace the default target currently registered for a given event type + * with the nodes in the targets array. + */ + this.setTargets = function mutateA11yTree_setTargets(aEventType, aTargets) { + var targetIdx = this.setTarget(aEventType, aTargets[0]); + + var type = this.getA11yEventType(aEventType); + for (var i = 1; i < aTargets.length; i++) { + let checker = new invokerChecker(type, aTargets[i]); + this.getEventSeq().splice(++targetIdx, 0, checker); + } + }; + + // Implementation + this.getA11yEventType = function mutateA11yTree_getA11yEventType(aEventType) { + if (aEventType == kReorderEvent) + return nsIAccessibleEvent.EVENT_REORDER; + + if (aEventType == kHideEvent) + return nsIAccessibleEvent.EVENT_HIDE; + + if (aEventType == kShowEvent) + return nsIAccessibleEvent.EVENT_SHOW; + + return 0; + }; + + this.getEventSeq = function mutateA11yTree_getEventSeq() { + return this.doNotExpectEvents ? this.unexpectedEventSeq : this.eventSeq; + }; + + if (aEventTypes & kHideEvent) { + let checker = new invokerChecker(this.getA11yEventType(kHideEvent), + this.DOMNode); + this.getEventSeq().push(checker); + } + + if (aEventTypes & kShowEvent) { + let checker = new invokerChecker(this.getA11yEventType(kShowEvent), + this.DOMNode); + this.getEventSeq().push(checker); + } + + if (aEventTypes & kReorderEvent) { + let checker = new invokerChecker(this.getA11yEventType(kReorderEvent), + this.DOMNode.parentNode); + this.getEventSeq().push(checker); + } + } + + /** + * Change CSS style for the given node. + */ + function changeStyle(aNodeOrID, aProp, aValue, aEventTypes) { + this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false); + + this.invoke = function changeStyle_invoke() { + this.DOMNode.style[aProp] = aValue; + }; + + this.getID = function changeStyle_getID() { + return aNodeOrID + " change style " + aProp + " on value " + aValue; + }; + } + + /** + * Change class name for the given node. + */ + function changeClass(aParentNodeOrID, aNodeOrID, aClassName, aEventTypes) { + this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false); + + this.invoke = function changeClass_invoke() { + this.parentDOMNode.className = aClassName; + }; + + this.getID = function changeClass_getID() { + return aNodeOrID + " change class " + aClassName; + }; + + this.parentDOMNode = getNode(aParentNodeOrID); + } + + /** + * Clone the node and append it to its parent. + */ + function cloneAndAppendToDOM(aNodeOrID, aEventTypes, + aTargetsFunc, aReorderTargetFunc) { + var eventTypes = aEventTypes || kShowEvents; + var doNotExpectEvents = (aEventTypes == kNoEvents); + + this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes, + doNotExpectEvents); + + this.invoke = function cloneAndAppendToDOM_invoke() { + var newElm = this.DOMNode.cloneNode(true); + newElm.removeAttribute("id"); + + var targets = aTargetsFunc ? + aTargetsFunc(newElm) : [newElm]; + this.setTargets(kShowEvent, targets); + + if (aReorderTargetFunc) { + var reorderTarget = aReorderTargetFunc(this.DOMNode); + this.setTarget(kReorderEvent, reorderTarget); + } + + this.DOMNode.parentNode.appendChild(newElm); + }; + + this.getID = function cloneAndAppendToDOM_getID() { + return aNodeOrID + " clone and append to DOM."; + }; + } + + /** + * Removes the node from DOM. + */ + function removeFromDOM(aNodeOrID, aEventTypes, + aTargetsFunc, aReorderTargetFunc) { + var eventTypes = aEventTypes || kHideEvents; + var doNotExpectEvents = (aEventTypes == kNoEvents); + + this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes, + doNotExpectEvents); + + this.invoke = function removeFromDOM_invoke() { + this.DOMNode.remove(); + }; + + this.getID = function removeFromDOM_getID() { + return prettyName(aNodeOrID) + " remove from DOM."; + }; + + if (aTargetsFunc && (eventTypes & kHideEvent)) + this.setTargets(kHideEvent, aTargetsFunc(this.DOMNode)); + + if (aReorderTargetFunc && (eventTypes & kReorderEvent)) + this.setTarget(kReorderEvent, aReorderTargetFunc(this.DOMNode)); + } + + /** + * Clone the node and replace the original node by cloned one. + */ + function cloneAndReplaceInDOM(aNodeOrID) { + this.__proto__ = new mutateA11yTree(aNodeOrID, kHideAndShowEvents, + false); + + this.invoke = function cloneAndReplaceInDOM_invoke() { + this.DOMNode.parentNode.replaceChild(this.newElm, this.DOMNode); + }; + + this.getID = function cloneAndReplaceInDOM_getID() { + return aNodeOrID + " clone and replace in DOM."; + }; + + this.newElm = this.DOMNode.cloneNode(true); + this.newElm.removeAttribute("id"); + this.setTarget(kShowEvent, this.newElm); + } + + /** + * Trigger content insertion (flush layout), removal and insertion of + * the same element for the same parent. + */ + function test1(aContainerID) { + this.divNode = document.createElement("div"); + this.divNode.setAttribute("id", "div-test1"); + this.containerNode = getNode(aContainerID); + + this.eventSeq = [ + new invokerChecker(EVENT_SHOW, this.divNode), + new invokerChecker(EVENT_REORDER, this.containerNode), + ]; + + this.invoke = function test1_invoke() { + this.containerNode.appendChild(this.divNode); + getComputedStyle(this.divNode, "").color; + this.containerNode.removeChild(this.divNode); + this.containerNode.appendChild(this.divNode); + }; + + this.getID = function test1_getID() { + return "fuzzy test #1: content insertion (flush layout), removal and" + + "reinsertion"; + }; + } + + /** + * Trigger content insertion (flush layout), removal and insertion of + * the same element for the different parents. + */ + function test2(aContainerID, aTmpContainerID) { + this.divNode = document.createElement("div"); + this.divNode.setAttribute("id", "div-test2"); + this.containerNode = getNode(aContainerID); + this.tmpContainerNode = getNode(aTmpContainerID); + this.container = getAccessible(this.containerNode); + this.tmpContainer = getAccessible(this.tmpContainerNode); + + this.eventSeq = [ + new invokerChecker(EVENT_SHOW, this.divNode), + new invokerChecker(EVENT_REORDER, this.containerNode), + ]; + + this.unexpectedEventSeq = [ + new invokerChecker(EVENT_REORDER, this.tmpContainerNode), + ]; + + this.invoke = function test2_invoke() { + this.tmpContainerNode.appendChild(this.divNode); + getComputedStyle(this.divNode, "").color; + this.tmpContainerNode.removeChild(this.divNode); + this.containerNode.appendChild(this.divNode); + }; + + this.getID = function test2_getID() { + return "fuzzy test #2: content insertion (flush layout), removal and" + + "reinsertion under another container"; + }; + } + + /** + * Content insertion (flush layout) and then removal (nothing was changed). + */ + function test3(aContainerID) { + this.divNode = document.createElement("div"); + this.divNode.setAttribute("id", "div-test3"); + this.containerNode = getNode(aContainerID); + + this.unexpectedEventSeq = [ + new invokerChecker(EVENT_SHOW, this.divNode), + new invokerChecker(EVENT_HIDE, this.divNode), + new invokerChecker(EVENT_REORDER, this.containerNode), + ]; + + this.invoke = function test3_invoke() { + this.containerNode.appendChild(this.divNode); + getComputedStyle(this.divNode, "").color; + this.containerNode.removeChild(this.divNode); + }; + + this.getID = function test3_getID() { + return "fuzzy test #3: content insertion (flush layout) and removal"; + }; + } + + function insertReferredElm(aContainerID) { + this.containerNode = getNode(aContainerID); + + this.eventSeq = [ + new invokerChecker(EVENT_SHOW, function(aNode) { return aNode.firstChild; }, this.containerNode), + new invokerChecker(EVENT_SHOW, function(aNode) { return aNode.lastChild; }, this.containerNode), + new invokerChecker(EVENT_REORDER, this.containerNode), + ]; + + this.invoke = function insertReferredElm_invoke() { + let span = document.createElement("span"); + span.setAttribute("id", "insertReferredElms_span"); + let input = document.createElement("input"); + input.setAttribute("aria-labelledby", "insertReferredElms_span"); + this.containerNode.appendChild(span); + this.containerNode.appendChild(input); + }; + + this.getID = function insertReferredElm_getID() { + return "insert inaccessible element and then insert referring element to make it accessible"; + }; + } + + function showHiddenParentOfVisibleChild() { + this.eventSeq = [ + new invokerChecker(EVENT_HIDE, getNode("c4_child")), + new invokerChecker(EVENT_SHOW, getNode("c4_middle")), + new invokerChecker(EVENT_REORDER, getNode("c4")), + ]; + + this.invoke = function showHiddenParentOfVisibleChild_invoke() { + getNode("c4_middle").style.visibility = "visible"; + }; + + this.getID = function showHiddenParentOfVisibleChild_getID() { + return "show hidden parent of visible child"; + }; + } + + function hideNDestroyDoc() { + this.txt = null; + this.eventSeq = [ + new invokerChecker(EVENT_HIDE, () => { return this.txt; }), + ]; + + this.invoke = function hideNDestroyDoc_invoke() { + this.txt = getAccessible("c5").firstChild.firstChild; + this.txt.DOMNode.remove(); + }; + + this.check = function hideNDestroyDoc_check() { + getNode("c5").remove(); + }; + + this.getID = function hideNDestroyDoc_getID() { + return "remove text node and destroy a document on hide event"; + }; + } + + function hideHideNDestroyDoc() { + this.target = null; + this.eventSeq = [ + new invokerChecker(EVENT_HIDE, () => { return this.target; }), + ]; + + this.invoke = function hideHideNDestroyDoc_invoke() { + var doc = getAccessible("c6").firstChild; + var l1 = doc.firstChild; + this.target = l1.firstChild; + var l2 = doc.lastChild; + l1.DOMNode.firstChild.remove(); + l2.DOMNode.firstChild.remove(); + }; + + this.check = function hideHideNDestroyDoc_check() { + getNode("c6").remove(); + }; + + this.getID = function hideHideNDestroyDoc_getID() { + return "remove text nodes (2 events in the queue) and destroy a document on first hide event"; + }; + } + + /** + * Target getters. + */ + function getFirstChild(aNode) { + return [aNode.firstChild]; + } + function getLastChild(aNode) { + return [aNode.lastChild]; + } + + function getNEnsureFirstChild(aNode) { + var node = aNode.firstChild; + getAccessible(node); + return [node]; + } + + function getNEnsureChildren(aNode) { + var children = []; + var node = aNode.firstChild; + do { + children.push(node); + getAccessible(node); + node = node.nextSibling; + } while (node); + + return children; + } + + function getParent(aNode) { + return aNode.parentNode; + } + + // gA11yEventDumpToConsole = true; // debug stuff + // enableLogging("events,verbose"); + + /** + * Do tests. + */ + var gQueue = null; + + function doTests() { + gQueue = new eventQueue(); + + // Show/hide events by changing of display style of accessible DOM node + // from 'inline' to 'none', 'none' to 'inline'. + let id = "link1"; + getAccessible(id); // ensure accessible is created + gQueue.push(new changeStyle(id, "display", "none", kHideEvents)); + gQueue.push(new changeStyle(id, "display", "inline", kShowEvents)); + + // Show/hide events by changing of visibility style of accessible DOM node + // from 'visible' to 'hidden', 'hidden' to 'visible'. + id = "link2"; + getAccessible(id); + gQueue.push(new changeStyle(id, "visibility", "hidden", kHideEvents)); + gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents)); + + // Show/hide events by changing of visibility style of accessible DOM node + // from 'collapse' to 'visible', 'visible' to 'collapse'. + id = "link4"; + gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents)); + gQueue.push(new changeStyle(id, "visibility", "collapse", kHideEvents)); + + // Show/hide events by adding new accessible DOM node and removing old one. + id = "link5"; + gQueue.push(new cloneAndAppendToDOM(id)); + gQueue.push(new removeFromDOM(id)); + + // No show/hide events by adding new not accessible DOM node and removing + // old one, no reorder event for their parent. + id = "child1"; + gQueue.push(new cloneAndAppendToDOM(id, kNoEvents)); + gQueue.push(new removeFromDOM(id, kNoEvents)); + + // Show/hide events by adding new accessible DOM node and removing + // old one, there is reorder event for their parent. + id = "child2"; + gQueue.push(new cloneAndAppendToDOM(id)); + gQueue.push(new removeFromDOM(id)); + + // Show/hide events by adding new DOM node containing accessible DOM and + // removing old one, there is reorder event for their parent. + id = "child3"; + gQueue.push(new cloneAndAppendToDOM(id, kShowEvents, getFirstChild, + getParent)); + + // Hide event for accessible child of unaccessible removed DOM node and + // reorder event for its parent. + gQueue.push(new removeFromDOM(id, kHideEvents, + getNEnsureFirstChild, getParent)); + + // Hide events for accessible children of unaccessible removed DOM node + // and reorder event for its parent. + gQueue.push(new removeFromDOM("child4", kHideEvents, + getNEnsureChildren, getParent)); + + // Show/hide events by creating new accessible DOM node and replacing + // old one. + getAccessible("link6"); // ensure accessible is created + gQueue.push(new cloneAndReplaceInDOM("link6")); + + // Show/hide events by changing class name on the parent node. + gQueue.push(new changeClass("container2", "link7", "", kShowEvents)); + gQueue.push(new changeClass("container2", "link7", "displayNone", + kHideEvents)); + + gQueue.push(new changeClass("container3", "link8", "", kShowEvents)); + gQueue.push(new changeClass("container3", "link8", "visibilityHidden", + kHideEvents)); + + gQueue.push(new test1("testContainer")); + gQueue.push(new test2("testContainer", "testContainer2")); + gQueue.push(new test2("testContainer", "testNestedContainer")); + gQueue.push(new test3("testContainer")); + gQueue.push(new insertReferredElm("testContainer3")); + gQueue.push(new showHiddenParentOfVisibleChild()); + + gQueue.push(new hideNDestroyDoc()); + gQueue.push(new hideHideNDestroyDoc()); + gQueue.invoke(); // Will call SimpleTest.finish(); + } + + SimpleTest.waitForExplicitFinish(); + addA11yLoadEvent(doTests); + </script> +</head> + +<body> + + <a target="_blank" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=469985" + title=" turn the test from bug 354745 into mochitest"> + Mozilla Bug 469985</a> + <a target="_blank" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=472662" + title="no reorder event when html:link display property is changed from 'none' to 'inline'"> + Mozilla Bug 472662</a> + <a target="_blank" + title="Rework accessible tree update code" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=570275"> + Mozilla Bug 570275</a> + <a target="_blank" + title="Develop a way to handle visibility style" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=606125"> + Mozilla Bug 606125</a> + <a target="_blank" + title="Update accessible tree on content insertion after layout" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=498015"> + Mozilla Bug 498015</a> + + <p id="display"></p> + <div id="content" style="display: none"></div> + <pre id="test"> + </pre> + <div id="eventdump"></div> + + <div id="testContainer"> + <a id="link1" href="http://www.google.com">Link #1</a> + <a id="link2" href="http://www.google.com">Link #2</a> + <a id="link3" href="http://www.google.com">Link #3</a> + <a id="link4" href="http://www.google.com" style="visibility:collapse">Link #4</a> + <a id="link5" href="http://www.google.com">Link #5</a> + + <div id="container" role="list"> + <span id="child1"></span> + <span id="child2" role="listitem"></span> + <span id="child3"><span role="listitem"></span></span> + <span id="child4"><span id="child4_1" role="listitem"></span><span id="child4_2" role="listitem"></span></span> + </div> + + <a id="link6" href="http://www.google.com">Link #6</a> + + <div id="container2" class="displayNone"><a id="link7">Link #7</a></div> + <div id="container3" class="visibilityHidden"><a id="link8">Link #8</a></div> + <div id="testNestedContainer"></div> + </div> + <div id="testContainer2"></div> + <div id="testContainer3"></div> + + <div id="c4"> + <div style="visibility:hidden" id="c4_middle"> + <div style="visibility:visible" id="c4_child"></div> + </div> + + <iframe id="c5" src="data:text/html,hey"></iframe> + <iframe id="c6" src="data:text/html,<label>l</label><label>l</label>"></iframe> +</body> +</html> |