[added] MotionObserver interface

Reviewers: O3 Material JavaScript platform reviewers, #material_motion, O2 Material Motion, featherless Reviewed By: #material_motion, O2 Material Motion, featherless Subscribers: featherless Tags: #material_motion Differential Revision: http://codereview.cc/D2182
material-motion · Dec 8, 2016 · 168bd0f · 168bd0f
1 parent 96932f1
commit 168bd0f
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/packages/streams/src/index.ts b/packages/streams/src/index.ts
@@ -14,6 +14,16 @@
  *  under the License.
  */
 
-export default function MotionProperty() {
+import {
+  Channel,
+  Observer,
+} from 'indefinite-observable';
 
+export enum MotionState {
+  atRest,
+  active,
+}
+
+export interface MotionObserver<T> extends Observer<T> {
+  state:Channel<MotionState>;
 }