Bug 221824 - Winstripe should be rtl compatible, tabbox fixes. r=bsmedberg

toolkit/content/widgets/tabbox.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0"?>
 
+<!DOCTYPE bindings [
+  <!ENTITY % globalRegionDTD SYSTEM "chrome://global-region/locale/region.dtd">
+  %globalRegionDTD;
+]>
+
 <bindings id="tabBindings"
           xmlns="http://www.mozilla.org/xbl"
           xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
@@ -182,7 +187,7 @@
 
   <binding id="tabs" display="xul:box"
            extends="chrome://global/content/bindings/tabbox.xml#tab-base">
-    <content>
+    <content chromedir="&locale.dir;">
       <xul:spacer class="tabs-left"/>
       <children/>
       <xul:spacer class="tabs-right" flex="1"/>

toolkit/themes/winstripe/global/tabbox.css

@@ -86,6 +86,11 @@ tab
   color: -moz-DialogText;
 }
 
+tab[chromedir="rtl"] {
+  -moz-border-radius-bottomleft: 1px;
+  -moz-border-radius-bottomright: 0px;
+}
+
 .tab-text {
   margin: 0 !important;
 }
@@ -107,7 +112,8 @@ tab[beforeselected="true"] {
   -moz-border-radius-topright: 0;
 }
 
-tab[afterselected="true"] {
+tab[afterselected="true"],
+tab[beforeselected="true"][chromedir="rtl"] {
   -moz-appearance: tab-right-edge;
   border-left: none;
   -moz-border-radius-topleft: 0;
@@ -143,11 +149,13 @@ tab[first-tab="true"][selected="true"] {
   padding: 4px 6px 1px 6px;
 }
 
-.tab-bottom[beforeselected="true"] {
+.tab-bottom[beforeselected="true"],
+.tab-bottom[afterselected="true"][chromedir="rtl"] {
   -moz-border-radius-bottomright: 0;
 }
 
-.tab-bottom[afterselected="true"] {
+.tab-bottom[afterselected="true"],
+.tab-bottom[beforeselected="true"][chromedir="rtl"] {
   -moz-border-radius-bottomleft: 0;
 }