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Bug 491683 - provide simple mochitest for ARIA grid based on html:table, r=marcoz, davidb
This commit is contained in:
Alexander Surkov
parent
ae7fd85dfa
commit
fbbc66f3f4
@ -53,6 +53,7 @@ _TEST_FILES =\
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attributes.js \
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common.js \
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events.js \
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grid.js \
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layout.js \
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namerules.xml \
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nsIAccessible_actions.js \
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@ -72,6 +73,7 @@ _TEST_FILES =\
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test_aria_activedescendant.html \
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test_aria_role_article.html \
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test_aria_role_equation.html \
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test_aria_role_grid.html \
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test_aria_token_attrs.html \
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test_bug420863.html \
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$(warning test_childAtPoint.xul temporarily disabled) \
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@ -284,7 +284,7 @@ function testAccessibleTree(aAccOrElmOrID, aAccTree)
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if ("children" in aAccTree) {
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var children = acc.children;
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is(aAccTree.children.length, children.length,
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is(children.length, aAccTree.children.length,
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"Different amount of expected children.");
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if (aAccTree.children.length == children.length) {
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149
accessible/tests/mochitest/grid.js
Normal file
149
accessible/tests/mochitest/grid.js
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@ -0,0 +1,149 @@
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const nsIDOMKeyEvent = Components.interfaces.nsIDOMKeyEvent;
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/**
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* Create grid object based on HTML table.
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*/
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function grid(aTableIdentifier)
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{
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this.getRowsCount = function getRowsCount()
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{
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return this.table.rows.length - (this.table.tHead ? 1 : 0);
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}
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this.getColsCount = function getColsCount()
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{
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return this.table.rows[0].cells.length;
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}
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this.getRowAtIndex = function getRowAtIndex(aIndex)
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{
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return this.table.rows[this.table.tHead ? aIndex + 1 : aIndex];
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}
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this.getMaxIndex = function getMaxIndex()
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{
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return this.getRowsCount() * this.getColsCount() - 1;
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}
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this.getCellAtIndex = function getCellAtIndex(aIndex)
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{
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var rowsCount = this.getRowsCount();
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var colsCount = this.getColsCount();
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var rowIdx = Math.floor(aIndex / colsCount);
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var colIdx = aIndex % colsCount;
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var row = this.getRowAtIndex(rowIdx);
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return row.cells[colIdx];
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}
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this.getIndexByCell = function getIndexByCell(aCell)
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{
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var colIdx = aCell.cellIndex;
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var rowIdx = aCell.parentNode.rowIndex;
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if (this.table.tHead)
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rowIdx -= 1;
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var colsCount = this.getColsCount();
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return rowIdx * colsCount + colIdx;
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}
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this.getCurrentCell = function getCurrentCell()
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{
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var rowsCount = this.table.rows.length;
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var colsCount = this.getColsCount();
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for (var rowIdx = 0; rowIdx < rowsCount; rowIdx++) {
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for (var colIdx = 0; colIdx < colsCount; colIdx++) {
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var cell = this.table.rows[rowIdx].cells[colIdx];
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if (cell.hasAttribute("tabindex"))
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return cell;
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}
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}
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return null;
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}
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this.initGrid = function initGrid()
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{
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this.table.addEventListener("keypress", this, false);
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this.table.addEventListener("click", this, false);
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}
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this.handleEvent = function handleEvent(aEvent)
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{
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if (aEvent instanceof nsIDOMKeyEvent)
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this.handleKeyEvent(aEvent);
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else
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this.handleClickEvent(aEvent);
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}
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this.handleKeyEvent = function handleKeyEvent(aEvent)
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{
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if (aEvent.target.localName != "TD")
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return;
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var cell = aEvent.target;
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switch(aEvent.keyCode) {
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case nsIDOMKeyEvent.DOM_VK_UP:
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var colsCount = this.getColsCount();
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var idx = this.getIndexByCell(cell);
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var upidx = idx - colsCount;
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if (upidx >= 0) {
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cell.removeAttribute("tabindex");
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var upcell = this.getCellAtIndex(upidx);
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upcell.setAttribute("tabindex", "0");
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upcell.focus();
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}
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break;
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case nsIDOMKeyEvent.DOM_VK_DOWN:
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var colsCount = this.getColsCount();
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var idx = this.getIndexByCell(cell);
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var downidx = idx + colsCount;
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if (downidx <= this.getMaxIndex()) {
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cell.removeAttribute("tabindex");
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var downcell = this.getCellAtIndex(downidx);
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downcell.setAttribute("tabindex", "0");
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downcell.focus();
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}
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break;
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case nsIDOMKeyEvent.DOM_VK_LEFT:
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var idx = this.getIndexByCell(cell);
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if (idx > 0) {
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cell.removeAttribute("tabindex");
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var prevcell = this.getCellAtIndex(idx - 1);
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prevcell.setAttribute("tabindex", "0");
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prevcell.focus();
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}
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break;
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case nsIDOMKeyEvent.DOM_VK_RIGHT:
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var idx = this.getIndexByCell(cell);
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if (idx < this.getMaxIndex()) {
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cell.removeAttribute("tabindex");
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var nextcell = this.getCellAtIndex(idx + 1);
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nextcell.setAttribute("tabindex", "0");
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nextcell.focus();
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}
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break;
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}
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}
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this.handleClickEvent = function handleClickEvent(aEvent)
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{
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if (aEvent.target.localName != "TD")
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return;
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var curCell = this.getCurrentCell();
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var cell = aEvent.target;
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if (cell != curCell) {
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curCell.removeAttribute("tabindex");
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cell.setAttribute("tabindex", "0");
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cell.focus();
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}
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}
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this.table = getNode(aTableIdentifier);
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this.initGrid();
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}
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@ -7,6 +7,7 @@ const ROLE_CHROME_WINDOW = nsIAccessibleRole.ROLE_CHROME_WINDOW;
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const ROLE_COMBOBOX = nsIAccessibleRole.ROLE_COMBOBOX;
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const ROLE_COMBOBOX_LIST = nsIAccessibleRole.ROLE_COMBOBOX_LIST;
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const ROLE_COMBOBOX_OPTION = nsIAccessibleRole.ROLE_COMBOBOX_OPTION;
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const ROLE_COLUMNHEADER = nsIAccessibleRole.ROLE_COLUMNHEADER;
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const ROLE_DOCUMENT = nsIAccessibleRole.ROLE_DOCUMENT;
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const ROLE_ENTRY = nsIAccessibleRole.ROLE_ENTRY;
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const ROLE_FLAT_EQUATION = nsIAccessibleRole.ROLE_FLAT_EQUATION;
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@ -27,6 +28,7 @@ const ROLE_PARAGRAPH = nsIAccessibleRole.ROLE_PARAGRAPH;
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const ROLE_PASSWORD_TEXT = nsIAccessibleRole.ROLE_PASSWORD_TEXT;
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const ROLE_PROGRESSBAR = nsIAccessibleRole.ROLE_PROGRESSBAR;
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const ROLE_PUSHBUTTON = nsIAccessibleRole.ROLE_PUSHBUTTON;
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const ROLE_ROW = nsIAccessibleRole.ROLE_ROW;
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const ROLE_SECTION = nsIAccessibleRole.ROLE_SECTION;
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const ROLE_SLIDER = nsIAccessibleRole.ROLE_SLIDER;
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const ROLE_TABLE = nsIAccessibleRole.ROLE_TABLE;
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144
accessible/tests/mochitest/test_aria_role_grid.html
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144
accessible/tests/mochitest/test_aria_role_grid.html
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@ -0,0 +1,144 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>ARIA grid based on HTML table tests</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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<style>
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td:focus {
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background-color: lightblue;
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}
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th {
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-moz-box-align: center;
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-moz-box-pack: center;
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border: 2px solid;
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-moz-border-top-colors: ThreeDHighlight ThreeDLightShadow;
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-moz-border-right-colors: ThreeDDarkShadow ThreeDShadow;
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-moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow;
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-moz-border-left-colors: ThreeDHighlight ThreeDLightShadow;
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background-color: -moz-Dialog;
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color: -moz-DialogText;
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padding: 0px 4px;
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}
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</style>
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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/grid.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/role.js"></script>
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<script type="application/javascript">
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var gGrid = null;
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function doTest()
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{
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gGrid = new grid("grid");
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// Test accessible hierarchy of ARIA grid.
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var accTree = {
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role: ROLE_TABLE,
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children: [
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{
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role: ROLE_TEXT_CONTAINER, // thead
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children: [
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{
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role: ROLE_ROW,
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children: [
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{
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role: ROLE_COLUMNHEADER
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},
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{
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role: ROLE_COLUMNHEADER
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},
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{
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role: ROLE_COLUMNHEADER
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}
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]
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}
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]
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},
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{
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role: ROLE_TEXT_CONTAINER, // tbody
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children: [
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{
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role: ROLE_ROW,
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children: [
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{
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role: ROLE_GRID_CELL
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},
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{
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role: ROLE_GRID_CELL
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},
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{
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role: ROLE_GRID_CELL
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}
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]
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},
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{
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role: ROLE_ROW,
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children: [
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{
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role: ROLE_GRID_CELL
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},
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{
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role: ROLE_GRID_CELL
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},
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{
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role: ROLE_GRID_CELL
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}
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]
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}
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]
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}
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]
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};
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if (!LINUX) // Do not test on linux because of different hierarchies.
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testAccessibleTree("grid", accTree);
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SimpleTest.finish();
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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" href="https://bugzilla.mozilla.org/show_bug.cgi?id=491683"
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title="ARIA grid based on HTML table">Mozilla Bug 491683</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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<table role="grid" id="grid" border="1" cellpadding="10" cellspacing="0">
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<thead>
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<tr role="row">
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<th role="columnheader">subject</td>
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<th role="columnheader">sender</th>
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<th role="columnheader">date</th>
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</tr>
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</thead>
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<tbody>
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<tr role="row">
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<td role="gridcell" tabindex="0">about everything</td>
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<td role="gridcell">president</td>
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<td role="gridcell">today</td>
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</tr>
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<tr role="row">
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<td role="gridcell">new bugs</td>
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<td role="gridcell">mozilla team</td>
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<td role="gridcell">today</td>
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</tr>
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</tbody>
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</table>
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</body>
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</html>
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