Aligns the Q A Z keys on the a11y keyboard.

ui/keyboard/resources/main.js

Index: ui/keyboard/resources/main.js
diff --git a/ui/keyboard/resources/main.js b/ui/keyboard/resources/main.js
index 0b07c90615d9877361fb54a0e6865cbce15f819a..03f2c5515b52f37ddfc1a62c07e466f2842de314 100644
--- a/ui/keyboard/resources/main.js
+++ b/ui/keyboard/resources/main.js
@@ -308,7 +308,7 @@
       weight += allKeys[i].weight;
     }
     var availableWidth = width - (allKeys.length - 1) * pitch;
-    var pixelsPerWeight = width / weight;
+    var pixelsPerWeight = availableWidth / weight;
     for (var i = 0; i < allKeys.length; i++) {
       var keyWidth = Math.floor(allKeys[i].weight * pixelsPerWeight);
       if (i == allKeys.length -1) {
@@ -455,9 +455,11 @@
       case RowAlignment.CENTER:
         xOffset += Math.floor(extra/2)
         break;
-      case RowAlignment.JUSTIFY:
+      case RowAlignment.RIGHT:
         xOffset += extra;
         break;
+      case RowAlignment.STRETCHRIGHT:
+        all[all.length-1].setAttribute('bonus', extra);

[kevers, 2014/01/31 20:11:00]

See comment below on "bonus".

[rsadam, 2014/01/31 20:40:18]

Done.

       default:
         break;
     };
@@ -467,12 +469,11 @@
     for (var i = 0; i < all.length; i++) {
       var key = all[i];
       var width = params.keyWidth;
-      if (key.weight != DEFAULT_KEY_WEIGHT_X) {
+      if (key.weight != DEFAULT_KEY_WEIGHT_X)
         width = Math.floor((params.keyWidth/DEFAULT_KEY_WEIGHT_X) * key.weight)
-        var bonus = key.getAttribute('bonus')
-        if (bonus)
-          width += parseInt(bonus)
-      }
+      var bonus = key.getAttribute('bonus')

[kevers, 2014/01/31 20:11:00]

"bonus" is too generic. Also, we should be taking temporary variables and
assigning as attributes on the keys.  This new attribute will persist until
removed.  Instead, use an array or a map to tabular the data until needed.

[rsadam, 2014/01/31 20:40:18]

Done.

+      if (bonus)
+        width += parseInt(bonus)
       updateKey(key, width, params.keyHeight, left, yOffset)
       left += (width + params.pitchX);
     }
@@ -525,6 +526,11 @@
    */
   function realignKeyset(keyset, params) {
     var rows = keyset.querySelectorAll('kb-row').array();
+    var maxSize = getKeyboardBounds();
+    var height =  (maxSize.width > ASPECT_RATIO * maxSize.height) ?
+      maxSize.height : Math.floor(maxSize.width / ASPECT_RATIO);
+    keyset.style.fontSize = (height / FONT_SIZE_RATIO / rows.length) + 'px';
+
     var heightOffset  = 0;
     for (var i = 0; i < rows.length; i++) {
       var row = rows[i];