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383 lines
11 KiB
JavaScript
383 lines
11 KiB
JavaScript
////////////////////////////////////////////////////////////////////////////////
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// Object attributes.
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/**
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* Test object attributes.
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*
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* @param aAccOrElmOrID [in] the accessible identifier
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* @param aAttrs [in] the map of expected object attributes
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* (name/value pairs)
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* @param aSkipUnexpectedAttrs [in] points this function doesn't fail if
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* unexpected attribute is encountered
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*/
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function testAttrs(aAccOrElmOrID, aAttrs, aSkipUnexpectedAttrs)
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{
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testAttrsInternal(aAccOrElmOrID, aAttrs, aSkipUnexpectedAttrs);
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}
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/**
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* Test object attributes that must not be present.
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*
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* @param aAccOrElmOrID [in] the accessible identifier
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* @param aAbsentAttrs [in] map of attributes that should not be
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* present (name/value pairs)
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*/
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function testAbsentAttrs(aAccOrElmOrID, aAbsentAttrs)
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{
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testAttrsInternal(aAccOrElmOrID, {}, true, aAbsentAttrs);
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}
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/**
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* Test CSS based object attributes.
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*/
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function testCSSAttrs(aID)
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{
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var node = document.getElementById(aID);
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var computedStyle = document.defaultView.getComputedStyle(node, "");
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var attrs = {
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"display": computedStyle.display,
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"text-align": computedStyle.textAlign,
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"text-indent": computedStyle.textIndent,
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"margin-left": computedStyle.marginLeft,
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"margin-right": computedStyle.marginRight,
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"margin-top": computedStyle.marginTop,
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"margin-bottom": computedStyle.marginBottom
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};
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testAttrs(aID, attrs, true);
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}
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/**
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* Test the accessible that it doesn't have CSS-based object attributes.
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*/
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function testAbsentCSSAttrs(aID)
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{
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var attrs = {
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"display": "",
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"text-align": "",
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"text-indent": "",
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"margin-left": "",
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"margin-right": "",
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"margin-top": "",
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"margin-bottom": ""
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};
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testAbsentAttrs(aID, attrs);
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}
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/**
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* Test group object attributes (posinset, setsize and level) and
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* nsIAccessible::groupPosition() method.
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*
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* @param aAccOrElmOrID [in] the ID, DOM node or accessible
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* @param aPosInSet [in] the value of 'posinset' attribute
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* @param aSetSize [in] the value of 'setsize' attribute
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* @param aLevel [in, optional] the value of 'level' attribute
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*/
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function testGroupAttrs(aAccOrElmOrID, aPosInSet, aSetSize, aLevel)
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{
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var acc = getAccessible(aAccOrElmOrID);
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var levelObj = {}, posInSetObj = {}, setSizeObj = {};
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acc.groupPosition(levelObj, setSizeObj, posInSetObj);
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if (aPosInSet && aSetSize) {
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is(posInSetObj.value, aPosInSet,
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"Wrong group position (posinset) for " + prettyName(aAccOrElmOrID));
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is(setSizeObj.value, aSetSize,
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"Wrong size of the group (setsize) for " + prettyName(aAccOrElmOrID));
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var attrs = {
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"posinset": String(aPosInSet),
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"setsize": String(aSetSize)
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};
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testAttrs(aAccOrElmOrID, attrs, true);
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}
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if (aLevel) {
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is(levelObj.value, aLevel,
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"Wrong group level for " + prettyName(aAccOrElmOrID));
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var attrs = { "level" : String(aLevel) };
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testAttrs(aAccOrElmOrID, attrs, true);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// Text attributes.
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/**
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* Test text attributes.
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*
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* @param aID [in] the ID of DOM element having text
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* accessible
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* @param aOffset [in] the offset inside text accessible to fetch
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* text attributes
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* @param aAttrs [in] the map of expected text attributes
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* (name/value pairs) exposed at the offset
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* @param aDefAttrs [in] the map of expected text attributes
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* (name/value pairs) exposed on hyper text
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* accessible
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* @param aStartOffset [in] expected start offset where text attributes
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* are applied
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* @param aEndOffset [in] expected end offset where text attribute
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* are applied
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* @param aSkipUnexpectedAttrs [in] points the function doesn't fail if
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* unexpected attribute is encountered
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*/
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function testTextAttrs(aID, aOffset, aAttrs, aDefAttrs,
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aStartOffset, aEndOffset, aSkipUnexpectedAttrs)
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{
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var accessible = getAccessible(aID, [nsIAccessibleText]);
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if (!accessible)
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return;
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var startOffset = { value: -1 };
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var endOffset = { value: -1 };
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// do not include attributes exposed on hyper text accessbile
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var attrs = getTextAttributes(aID, accessible, false, aOffset,
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startOffset, endOffset);
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if (!attrs)
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return;
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var errorMsg = " for " + aID + " at offset " + aOffset;
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is(startOffset.value, aStartOffset, "Wrong start offset" + errorMsg);
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is(endOffset.value, aEndOffset, "Wrong end offset" + errorMsg);
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compareAttrs(errorMsg, attrs, aAttrs, aSkipUnexpectedAttrs);
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// include attributes exposed on hyper text accessbile
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var expectedAttrs = {};
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for (var name in aAttrs)
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expectedAttrs[name] = aAttrs[name];
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for (var name in aDefAttrs) {
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if (!(name in expectedAttrs))
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expectedAttrs[name] = aDefAttrs[name];
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}
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attrs = getTextAttributes(aID, accessible, true, aOffset,
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startOffset, endOffset);
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if (!attrs)
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return;
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compareAttrs(errorMsg, attrs, expectedAttrs, aSkipUnexpectedAttrs);
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}
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/**
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* Test default text attributes.
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*
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* @param aID [in] the ID of DOM element having text
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* accessible
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* @param aDefAttrs [in] the map of expected text attributes
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* (name/value pairs)
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* @param aSkipUnexpectedAttrs [in] points the function doesn't fail if
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* unexpected attribute is encountered
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*/
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function testDefaultTextAttrs(aID, aDefAttrs, aSkipUnexpectedAttrs)
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{
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var accessible = getAccessible(aID, [nsIAccessibleText]);
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if (!accessible)
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return;
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var defAttrs = null;
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try{
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defAttrs = accessible.defaultTextAttributes;
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} catch (e) {
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}
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if (!defAttrs) {
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ok(false, "Can't get default text attributes for " + aID);
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return;
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}
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var errorMsg = ". Getting default text attributes for " + aID;
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compareAttrs(errorMsg, defAttrs, aDefAttrs, aSkipUnexpectedAttrs);
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}
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/**
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* Test text attributes for wrong offset.
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*/
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function testTextAttrsWrongOffset(aID, aOffset)
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{
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var res = false;
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try {
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var s = {}, e = {};
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var acc = getAccessible(ID, [nsIAccessibleText]);
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acc.getTextAttributes(false, 157, s, e);
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} catch (e) {
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res = true;
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}
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ok(res,
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"text attributes are calculated successfully at wrong offset " + aOffset + " for " + prettyName(aID));
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}
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const kNormalFontWeight =
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function equalsToNormal(aWeight) { return aWeight <= 400 ; }
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const kBoldFontWeight =
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function equalsToBold(aWeight) { return aWeight > 400; }
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// The pt font size of the input element can vary by Linux distro.
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const kInputFontSize = WIN ?
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"10pt" : (MAC ? "8pt" : function() { return true; });
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const kAbsentFontFamily =
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function(aFontFamily) { return aFontFamily != "sans-serif"; }
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const kInputFontFamily =
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function(aFontFamily) { return aFontFamily != "sans-serif"; }
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const kMonospaceFontFamily =
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function(aFontFamily) { return aFontFamily != "monospace"; }
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const kSansSerifFontFamily =
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function(aFontFamily) { return aFontFamily != "sans-serif"; }
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const kSerifFontFamily =
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function(aFontFamily) { return aFontFamily != "serif"; }
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const kCursiveFontFamily = LINUX ? "DejaVu Serif" : "Comic Sans MS";
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/**
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* Return used font from the given computed style.
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*/
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function fontFamily(aComputedStyle)
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{
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var name = aComputedStyle.fontFamily;
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switch (name) {
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case "monospace":
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return kMonospaceFontFamily;
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case "sans-serif":
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return kSansSerifFontFamily;
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case "serif":
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return kSerifFontFamily;
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default:
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return name;
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}
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}
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/**
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* Build an object of default text attributes expected for the given accessible.
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*
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* @param aID [in] identifier of accessible
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* @param aFontSize [in] font size
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* @param aFontWeight [in, optional] kBoldFontWeight or kNormalFontWeight,
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* default value is kNormalFontWeight
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*/
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function buildDefaultTextAttrs(aID, aFontSize, aFontWeight, aFontFamily)
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{
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var elm = getNode(aID);
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var computedStyle = document.defaultView.getComputedStyle(elm, "");
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var bgColor = computedStyle.backgroundColor == "transparent" ?
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"rgb(255, 255, 255)" : computedStyle.backgroundColor;
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var defAttrs = {
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"font-style": computedStyle.fontStyle,
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"font-size": aFontSize,
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"background-color": bgColor,
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"font-weight": aFontWeight ? aFontWeight : kNormalFontWeight,
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"color": computedStyle.color,
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"font-family": aFontFamily ? aFontFamily : fontFamily(computedStyle),
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"text-position": computedStyle.verticalAlign
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};
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return defAttrs;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Private.
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function getTextAttributes(aID, aAccessible, aIncludeDefAttrs, aOffset,
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aStartOffset, aEndOffset)
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{
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// This function expects the passed in accessible to already be queried for
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// nsIAccessibleText.
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var attrs = null;
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try {
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attrs = aAccessible.getTextAttributes(aIncludeDefAttrs, aOffset,
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aStartOffset, aEndOffset);
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} catch (e) {
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}
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if (attrs)
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return attrs;
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ok(false, "Can't get text attributes for " + aID);
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return null;
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}
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function testAttrsInternal(aAccOrElmOrID, aAttrs, aSkipUnexpectedAttrs,
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aAbsentAttrs)
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{
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var accessible = getAccessible(aAccOrElmOrID);
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if (!accessible)
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return;
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var attrs = null;
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try {
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attrs = accessible.attributes;
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} catch (e) { }
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if (!attrs) {
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ok(false, "Can't get object attributes for " + prettyName(aAccOrElmOrID));
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return;
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}
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var errorMsg = " for " + prettyName(aAccOrElmOrID);
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compareAttrs(errorMsg, attrs, aAttrs, aSkipUnexpectedAttrs, aAbsentAttrs);
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}
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function compareAttrs(aErrorMsg, aAttrs, aExpectedAttrs, aSkipUnexpectedAttrs,
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aAbsentAttrs)
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{
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// Check if all obtained attributes are expected and have expected value.
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var enumerate = aAttrs.enumerate();
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while (enumerate.hasMoreElements()) {
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var prop = enumerate.getNext().QueryInterface(nsIPropertyElement);
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if (!(prop.key in aExpectedAttrs)) {
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if (!aSkipUnexpectedAttrs)
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ok(false, "Unexpected attribute '" + prop.key + "' having '" +
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prop.value + "'" + aErrorMsg);
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} else {
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var msg = "Attribute '" + prop.key + "' has wrong value" + aErrorMsg;
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var expectedValue = aExpectedAttrs[prop.key];
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if (typeof expectedValue == "function")
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ok(expectedValue(prop.value), msg);
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else
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is(prop.value, expectedValue, msg);
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}
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}
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// Check if all expected attributes are presented.
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for (var name in aExpectedAttrs) {
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var value = "";
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try {
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value = aAttrs.getStringProperty(name);
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} catch(e) { }
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if (!value)
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ok(false,
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"There is no expected attribute '" + name + "' " + aErrorMsg);
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}
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// Check if all unexpected attributes are absent.
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if (aAbsentAttrs) {
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for (var name in aAbsentAttrs) {
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var wasFound = false;
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var enumerate = aAttrs.enumerate();
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while (enumerate.hasMoreElements()) {
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var prop = enumerate.getNext().QueryInterface(nsIPropertyElement);
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if (prop.key == name)
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wasFound = true;
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}
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}
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ok(!wasFound,
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"There is an unexpected attribute '" + name + "' " + aErrorMsg);
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}
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}
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