fix: support mozRequestAnimationFrame

btford · btford · commit 886f67db9e39 · 2014-05-30T13:56:25.000-07:00
diff --git a/test/patch/requestAnimationFrame.spec.js b/test/patch/requestAnimationFrame.spec.js
@@ -51,6 +51,57 @@ describe('requestAnimationFrame', function () {
   });
 });
 
+describe('mozRequestAnimationFrame', function () {
+  var flag, hasParent, skip = false;
+
+  it('should work', function (done) {
+
+    if (!window.mozRequestAnimationFrame) {
+      console.log('WARNING: skipping mozRequestAnimationFrame test (missing this API)');
+      return;
+    }
+
+    // Some browsers (especially Safari) do not fire mozRequestAnimationFrame
+    // if they are offscreen. We can disable this test for those browsers and
+    // assume the patch works if setTimeout works, since they are mechanically
+    // the same
+    runs(function() {
+      flag = false;
+      window.mozRequestAnimationFrame(function () {
+        flag = true;
+      });
+      setTimeout(function () {
+        skip = true;
+        flag = true;
+        console.log('WARNING: skipping mozRequestAnimationFrame test (not firing rAF)');
+      }, 50);
+    });
+
+    waitsFor(function() {
+      return flag;
+    }, 'mozRequestAnimationFrame to run', 100);
+
+    runs(function() {
+      flag = false;
+      hasParent = false;
+
+      window.mozRequestAnimationFrame(function () {
+        hasParent = !!window.zone.parent;
+        flag = true;
+      });
+    });
+
+    waitsFor(function() {
+      return flag || skip;
+    }, 'mozRequestAnimationFrame to run', 100);
+
+    runs(function() {
+      expect(hasParent || skip).toBe(true);
+    });
+
+  });
+});
+
 describe('webkitRequestAnimationFrame', function () {
   var flag, hasParent, skip = false;
 
@@ -100,4 +151,4 @@ describe('webkitRequestAnimationFrame', function () {
     });
 
   });
-});
+});
diff --git a/zone.js b/zone.js
@@ -309,6 +309,7 @@ Zone.patch = function patch () {
 
   Zone.patchSetFn(window, [
     'requestAnimationFrame',
+    'mozRequestAnimationFrame',
     'webkitRequestAnimationFrame'
   ]);
 
