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ScrollbarStyles contains values of overflow, (over)scroll-behavior, etc. The only one which is marginally related to scroll _bars_ is overflow, which can be used to hide scrollbar (by making an element not scrollable) or enforce the scrollbar to display. It makes more sense to be called ScrollStyles as it's mainly concerning behavior of scrolling, not scrollbars. Also, with the addition of scrollbar width properties, the current name can be confusing.
143 lines
4.3 KiB
HTML
143 lines
4.3 KiB
HTML
<html>
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<head>
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<title>Testing HTML scrollable frames (css overflow style)</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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/**
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* Change scroll range to not empty size and inserts a child into container
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* to trigger tree update of the container. Prior to bug 677154 not empty
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* size resulted to accessible creation for scroll area, container tree
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* update picked up that accessible unattaching scroll area accessible
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* subtree.
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*/
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function changeScrollRange(aContainerID, aScrollAreaID)
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{
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this.containerNode = getNode(aContainerID);
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this.container = getAccessible(this.containerNode);
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this.scrollAreaNode = getNode(aScrollAreaID);
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this.eventSeq = [
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new invokerChecker(EVENT_REORDER, this.container)
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];
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this.invoke = function changeScrollRange_invoke()
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{
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this.scrollAreaNode.style.width = "20px";
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this.containerNode.appendChild(document.createElement("input"));
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}
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this.finalCheck = function changeScrollRange_finalCheck()
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{
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var accTree =
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{ SECTION: [ // container
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{ SECTION: [ // scroll area
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{ ENTRY: [] } // child content
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] },
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{ ENTRY: [] } // inserted input
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] };
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testAccessibleTree(this.container, accTree);
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}
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this.getID = function changeScrollRange_getID()
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{
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return "change scroll range for " + prettyName(aScrollAreaID);
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}
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}
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/**
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* Change scrollbar styles from hidden to auto. That makes us to create an
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* accessible for scroll area.
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*/
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function changeScrollStyles(aContainerID, aScrollAreaID)
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{
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this.container = getAccessible(aContainerID);
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this.scrollAreaNode = getNode(aScrollAreaID);
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this.eventSeq = [
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new invokerChecker(EVENT_SHOW, getAccessible, this.scrollAreaNode),
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new invokerChecker(EVENT_REORDER, this.container)
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];
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this.invoke = function changeScrollStyles_invoke()
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{
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var accTree =
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{ SECTION: [] };
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testAccessibleTree(this.container, accTree);
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this.scrollAreaNode.style.overflow = "auto";
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}
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this.finalCheck = function changeScrollStyles_finalCheck()
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{
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var accTree =
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{ SECTION: [ // container
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{ SECTION: [] } // scroll area
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] };
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testAccessibleTree(this.container, accTree);
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}
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this.getID = function changeScrollStyles_getID()
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{
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return "change scrollbar styles " + prettyName(aScrollAreaID);
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}
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}
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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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//gA11yEventDumpID = "eventdump"; // debug stuff
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//gA11yEventDumpToConsole = true;
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function doTests()
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{
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gQueue = new eventQueue();
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gQueue.push(new changeScrollRange("container", "scrollarea"));
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gQueue.push(new changeScrollStyles("container2", "scrollarea2"));
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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=677154"
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title="Detached document accessibility tree">
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Mozilla Bug 677154</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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<div id="container"><div id="scrollarea" style="overflow:auto;"><input></div></div>
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<div id="container2"><div id="scrollarea2" style="overflow:hidden;"></div></div>
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</body>
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</html>
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