зеркало из https://github.com/mozilla/gecko-dev.git
Bug 478032 - Fire delayed value changed event for aria-valuetext changes. r=surkov, r=MarcoZ
This commit is contained in:
David Bolter
Родитель
f837bf2df3
Коммит
1be065b3c4
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@ -1283,9 +1283,16 @@ nsDocAccessible::ARIAAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute)
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return;
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}
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if (aAttribute == nsAccessibilityAtoms::aria_valuenow) {
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FireDelayedToolkitEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE,
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targetNode);
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// Fire value change event whenever aria-valuetext is changed, or
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// when aria-valuenow is changed and aria-valuetext is empty
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if (aAttribute == nsAccessibilityAtoms::aria_valuetext ||
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(aAttribute == nsAccessibilityAtoms::aria_valuenow &&
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(!aContent->HasAttr(kNameSpaceID_None,
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nsAccessibilityAtoms::aria_valuetext) ||
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aContent->AttrValueIs(kNameSpaceID_None,
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nsAccessibilityAtoms::aria_valuetext, nsAccessibilityAtoms::_empty,
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eCaseMatters)))) {
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FireDelayedToolkitEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE, targetNode);
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return;
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}
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@ -89,6 +89,7 @@ _TEST_FILES =\
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test_events_focus.xul \
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test_events_mutation.html \
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test_events_tree.xul \
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test_events_valuechange.html \
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test_groupattrs.xul \
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test_groupattrs.html \
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test_name.html \
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@ -90,7 +90,7 @@ const INVOKER_ACTION_FAILED = 1;
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* Creates event queue for the given event type. The queue consists of invoker
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* objects, each of them generates the event of the event type. When queue is
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* started then every invoker object is asked to generate event after timeout.
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* When event is caught then current invoker object is asked to check wether
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* When event is caught then current invoker object is asked to check whether
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* event was handled correctly.
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*
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* Invoker interface is:
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@ -206,7 +206,7 @@
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this.getID = function removeFromDOM_getID()
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{
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return aNodeOrID + " remove from DOM.";
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return prettyName(aNodeOrID) + " remove from DOM.";
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}
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if (aTargetsFunc && (eventTypes & kHideEvent))
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@ -0,0 +1,109 @@
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<html>
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<head>
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<title>Accessible value change events testing</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/MochiKit/packed.js"></script>
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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="chrome://mochikit/content/a11y/accessible/common.js"></script>
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<script type="application/javascript"
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src="chrome://mochikit/content/a11y/accessible/events.js"></script>
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<script type="application/javascript"
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src="chrome://mochikit/content/a11y/accessible/value.js"></script>
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<script type="application/javascript">
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/**
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* Do tests.
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*/
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var gQueue = null;
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// Value change invoker
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function changeValue(aNodeOrID, aValuenow, aValuetext)
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{
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this.DOMNode = getNode(aNodeOrID);
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this.invoke = function changeValue_invoke() {
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// Note: this should not fire an EVENT_VALUE_CHANGE when aria-valuetext
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// is not empty
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if (aValuenow != undefined)
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this.DOMNode.setAttribute("aria-valuenow", aValuenow);
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// Note: this should always fire an EVENT_VALUE_CHANGE
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if (aValuetext != undefined)
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this.DOMNode.setAttribute("aria-valuetext", aValuetext);
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}
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this.check = function changeValue_check() {
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var acc = getAccessible(aNodeOrID, [nsIAccessibleValue]);
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if (!acc)
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return;
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// Note: always test against valuetext first because the existence of
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// aria-valuetext takes precedence over aria-valuenow in gecko.
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is(acc.value, (aValuetext != undefined)? aValuetext : aValuenow,
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"Wrong value of " + prettyName(aNodeOrID));
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}
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this.getID = function changeValue_getID() {
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return prettyName(aNodeOrID) + " value changed";
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}
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}
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function doTests()
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{
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// Test initial values
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testValue("slider_vn", "5", 5, 0, 1000, 0);
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testValue("slider_vnvt", "plain", 0, 0, 5, 0);
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testValue("slider_vt", "hi", 0, 0, 3, 0);
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// Test value change events
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gQueue = new eventQueue(nsIAccessibleEvent.EVENT_VALUE_CHANGE);
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gQueue.push(new changeValue("slider_vn", "6", undefined));
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gQueue.push(new changeValue("slider_vt", undefined, "hey!"));
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gQueue.push(new changeValue("slider_vnvt", "3", "sweet"));
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gQueue.invoke(); // Will call SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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addA11yLoadEvent(doTests);
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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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href="https://bugzilla.mozilla.org/show_bug.cgi?id=478032"
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title=" Fire delayed value changed event for aria-valuetext changes">
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Mozilla Bug 478032
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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="eventdump"></div>
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<!-- ARIA sliders -->
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<div id="slider_vn" role="slider" aria-valuenow="5"
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aria-valuemin="0" aria-valuemax="1000">slider</div>
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<div id="slider_vt" role="slider" aria-valuetext="hi"
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aria-valuemin="0" aria-valuemax="3">greeting slider</div>
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<div id="slider_vnvt" role="slider" aria-valuenow="0" aria-valuetext="plain"
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aria-valuemin="0" aria-valuemax="5">sweetness slider</div>
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</body>
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</html>
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