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| (Empty) | |
| 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| 2 <html> |
| 3 <head> |
| 4 <script src="../fast/js/resources/js-test-pre.js"></script> |
| 5 </head> |
| 6 <body> |
| 7 |
| 8 <textarea id="textarea" cols=30 rows=20>This textarea contains several lines of
text. It demonstrates |
| 9 how updating a single InlineTextBox is a lot more efficient than updating the wh
ole TextArea.</textarea> |
| 10 |
| 11 <p id="description"></p> |
| 12 |
| 13 <div id="console"></div> |
| 14 |
| 15 <script> |
| 16 |
| 17 description("Demonstrates that when typing in a textarea, not all of the Inl
ineTextBoxes need to be updated for every character pressed."); |
| 18 |
| 19 if (window.accessibilityController) { |
| 20 |
| 21 function findAllDescendantsWithRole(axObject, role) { |
| 22 if (axObject.role == role) |
| 23 return [axObject]; |
| 24 var result = []; |
| 25 for (var i = 0; i < axObject.childrenCount; i++) |
| 26 result = result.concat(findAllDescendantsWithRole(axObject.child
AtIndex(i), role)); |
| 27 return result; |
| 28 } |
| 29 |
| 30 var axTextarea = accessibilityController.accessibleElementById('textarea
'); |
| 31 var inlineTextBoxesBefore = findAllDescendantsWithRole(axTextarea, 'AXRo
le: AXInlineTextBox'); |
| 32 var firstInlineTextBoxBefore = inlineTextBoxesBefore[0]; |
| 33 var lastInlineTextBoxBefore = inlineTextBoxesBefore[inlineTextBoxesBefor
e.length - 1]; |
| 34 |
| 35 document.getElementById("textarea").focus(); |
| 36 document.getElementById("textarea").setSelectionRange(45, 45); |
| 37 |
| 38 // Insert a character in the first paragraph. |
| 39 document.execCommand("InsertText", false, 'x'); |
| 40 |
| 41 // The inline text boxes in the first paragraph change, but the |
| 42 // inline text boxes in the last paragraph are reused. |
| 43 var inlineTextBoxesAfter = findAllDescendantsWithRole(axTextarea, 'AXRol
e: AXInlineTextBox'); |
| 44 var firstInlineTextBoxAfter = inlineTextBoxesAfter[0]; |
| 45 var lastInlineTextBoxAfter = inlineTextBoxesAfter[inlineTextBoxesAfter.l
ength - 1]; |
| 46 |
| 47 shouldBe("firstInlineTextBoxBefore.isEqual(firstInlineTextBoxAfter)", "f
alse"); |
| 48 shouldBe("lastInlineTextBoxBefore.isEqual(lastInlineTextBoxAfter)", "tru
e"); |
| 49 } |
| 50 </script> |
| 51 |
| 52 <script src="../fast/js/resources/js-test-post.js"></script> |
| 53 </body> |
| 54 </html> |
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Chromium Code Reviews
Issue 23983002:
Expose InlineTextBoxes in the accessibility tree. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk