Index: chrome/browser/resources/settings/animation/transition.js |
diff --git a/chrome/browser/resources/settings/animation/transition.js b/chrome/browser/resources/settings/animation/transition.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6d562c959e0006dbfdaf43838e9c4ba03ecf1500 |
--- /dev/null |
+++ b/chrome/browser/resources/settings/animation/transition.js |
@@ -0,0 +1,51 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+/** |
+ * @fileoverview |
+ * Transitions are cancellable asynchronous state changes. A transition may |
+ * compose web animations and other Transitions to manage a set of animations. |
+ * Similar to Promises, they can initiate tasks after completion or |
+ * cancellation. |
+ */ |
+cr.define('settings.animation', function() { |
+ 'use strict'; |
+ |
+ /** |
+ * Base class for modular implementations of asynchronous transitions using |
+ * web animations. |
+ * @constructor |
+ */ |
+ function Transition() {} |
+ |
+ Transition.prototype = { |
+ /** |
+ * Starts the transition, including scheduling any animations. |
+ * @return {!Promise} Convenient reference to |finished| for chaining. |
+ */ |
+ play: function() {}, |
Dan Beam
2016/07/01 00:33:24
shouldn't this also be assertNotReached() or somet
michaelpg
2016/07/01 20:21:46
Done.
|
+ |
+ /** |
+ * If the transition is still playing, immediately finishes it and resolves |
+ * |finished|. |
+ */ |
+ finish: assertNotReached, |
+ |
+ /** |
+ * If the transition is still playing, immediately cancels it and rejects |
+ * |finished|. |
+ */ |
+ cancel: assertNotReached, |
+ |
+ /** |
+ * Resolved or rejected when the transition is finished or canceled. |
+ * @type {?Promise} |
+ */ |
+ finished: null, |
+ }; |
+ |
+ return { |
+ Transition: Transition, |
+ }; |
+}); |