Browser compat for window.requestAnimationFrame

lib/dom/templates/html/frog/impl_Window.darttemplate

Index: lib/dom/templates/html/frog/impl_Window.darttemplate
diff --git a/lib/dom/templates/html/frog/impl_Window.darttemplate b/lib/dom/templates/html/frog/impl_Window.darttemplate
index 95d5abd910f315f546498bfa97f6afd98f4c5622..0b4095543f975d1fc4ef3b4ceb7ac227f3c1c176 100644
--- a/lib/dom/templates/html/frog/impl_Window.darttemplate
+++ b/lib/dom/templates/html/frog/impl_Window.darttemplate
@@ -10,5 +10,21 @@ class $CLASSNAME$EXTENDS$IMPLEMENTS native "@*DOMWindow" {
     _addMeasurementFrameCallback(callback);
   }
 
+  /** @domName DOMWindow.requestAnimationFrame */
+  int requestAnimationFrame(RequestAnimationFrameCallback callback) native '''
+    if (!window.requestAnimationFrame) {
+      window.requestAnimationFrame =
+          window.webkitRequestAnimationFrame ||
+          window.mozRequestAnimationFrame ||
+          window.msRequestAnimationFrame ||
+          window.oRequestAnimationFrame ||
+          function (callback) { window.setTimeout(callback, 1000/60); };

[vsm, 2012/04/21 04:27:43]

why 1000/60?  a comment?

[sra1, 2012/04/24 18:57:09]

Done.

+    }
+    return window.requestAnimationFrame(callback);
+''';
+
+  // Protect member 'requestAnimationFrame'.
+  _requestAnimationFrame() native 'requestAnimationFrame';
+
 $!MEMBERS
 }