fix for opera DSK-354448: onclick fired on disabled nodes with opaque content

diff --git a/web/compatibility.js b/web/compatibility.js
index 9f139b7dd9beb793e8ffe4f2eb9a77c2f58b7a9d..b63ba35d8f59ae84c67521c12c3055f99d55da82 100644 (file)
--- a/web/compatibility.js
+++ b/web/compatibility.js
@@ -234,3 +234,21 @@
     console = {log: function() {}};
   }
 })();
+
+// Check console compatability
+(function checkOnClickCompatibility() {
+  // workaround for reported Opera bug DSK-354448:
+  // onclick fires on disabled buttons with opaque content
+  function ignoreIfTargetDisabled(event) {
+    if (isDisabled(event.target)) {
+      event.stopPropagation();
+    }
+  }
+  function isDisabled(node) {
+    return node.disabled || (node.parentNode && isDisabled(node.parentNode));
+  }
+  if (navigator.userAgent.indexOf('Opera') != -1) {
+    // use browser detection since we cannot feature-check this bug
+    document.addEventListener('click', ignoreIfTargetDisabled, true);
+  }
+})();
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