Add spec for Timing (#24889)

Summary:
Part of #24875

## Changelog

[General] [Added] - Add TurboModule spec for Timing
Pull Request resolved: #24889

Reviewed By: fkgozali

Differential Revision: D15379559

Pulled By: RSNara

fbshipit-source-id: d254fb4d1cae3533bbd63bf7ec739cebc6ca14b0

Libraries/Core/Timers/JSTimers.js

@@ -13,9 +13,10 @@ const Platform = require('../../Utilities/Platform');
 const Systrace = require('../../Performance/Systrace');
 
 const invariant = require('invariant');
-const {Timing} = require('../../BatchedBridge/NativeModules');
 const BatchedBridge = require('../../BatchedBridge/BatchedBridge');
 
+import NativeTiming from './NativeTiming';
+
 import type {ExtendedError} from '../Devtools/parseErrorStack';
 
 let _performanceNow = null;
@@ -221,7 +222,7 @@ function _freeCallback(timerID: number) {
     _clearIndex(index);
     const type = types[index];
     if (type !== 'setImmediate' && type !== 'requestIdleCallback') {
-      Timing.deleteTimer(timerID);
+      deleteTimer(timerID);
     }
   }
 }
@@ -250,7 +251,7 @@ const JSTimers = {
       () => func.apply(undefined, args),
       'setTimeout',
     );
-    Timing.createTimer(id, duration || 0, Date.now(), /* recurring */ false);
+    createTimer(id, duration || 0, Date.now(), /* recurring */ false);
     return id;
   },
 
@@ -276,7 +277,7 @@ const JSTimers = {
       () => func.apply(undefined, args),
       'setInterval',
     );
-    Timing.createTimer(id, duration || 0, Date.now(), /* recurring */ true);
+    createTimer(id, duration || 0, Date.now(), /* recurring */ true);
     return id;
   },
 
@@ -298,7 +299,7 @@ const JSTimers = {
    */
   requestAnimationFrame: function(func: Function) {
     const id = _allocateCallback(func, 'requestAnimationFrame');
-    Timing.createTimer(id, 1, Date.now(), /* recurring */ false);
+    createTimer(id, 1, Date.now(), /* recurring */ false);
     return id;
   },
 
@@ -309,7 +310,7 @@ const JSTimers = {
    */
   requestIdleCallback: function(func: Function, options: ?Object) {
     if (requestIdleCallbacks.length === 0) {
-      Timing.setSendIdleEvents(true);
+      setSendIdleEvents(true);
     }
 
     const timeout = options && options.timeout;
@@ -337,7 +338,7 @@ const JSTimers = {
         }
         delete requestIdleCallbackTimeouts[id];
         if (requestIdleCallbacks.length === 0) {
-          Timing.setSendIdleEvents(false);
+          setSendIdleEvents(false);
         }
       }, timeout);
       requestIdleCallbackTimeouts[id] = timeoutId;
@@ -359,7 +360,7 @@ const JSTimers = {
     }
 
     if (requestIdleCallbacks.length === 0) {
-      Timing.setSendIdleEvents(false);
+      setSendIdleEvents(false);
     }
   },
 
@@ -437,7 +438,7 @@ const JSTimers = {
     }
 
     if (requestIdleCallbacks.length === 0) {
-      Timing.setSendIdleEvents(false);
+      setSendIdleEvents(false);
     }
 
     if (errors) {
@@ -477,8 +478,28 @@ const JSTimers = {
   },
 };
 
+function createTimer(
+  callbackID: number,
+  duration: number,
+  jsSchedulingTime: number,
+  repeats: boolean,
+): void {
+  invariant(NativeTiming, 'NativeTiming is available');
+  NativeTiming.createTimer(callbackID, duration, jsSchedulingTime, repeats);
+}
+
+function deleteTimer(timerID: number): void {
+  invariant(NativeTiming, 'NativeTiming is available');
+  NativeTiming.deleteTimer(timerID);
+}
+
+function setSendIdleEvents(sendIdleEvents: boolean): void {
+  invariant(NativeTiming, 'NativeTiming is available');
+  NativeTiming.setSendIdleEvents(sendIdleEvents);
+}
+
 let ExportedJSTimers;
-if (!Timing) {
+if (!NativeTiming) {
   console.warn("Timing native module is not available, can't set timers.");
   // $FlowFixMe: we can assume timers are generally available
   ExportedJSTimers = ({

Libraries/Core/Timers/NativeTiming.js

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+import type {TurboModule} from 'RCTExport';
+import * as TurboModuleRegistry from 'TurboModuleRegistry';
+
+export interface Spec extends TurboModule {
+  +createTimer: (
+    callbackID: number,
+    duration: number,
+    jsSchedulingTime: number,
+    repeats: boolean,
+  ) => void;
+  +deleteTimer: (timerID: number) => void;
+  +setSendIdleEvents: (sendIdleEvents: boolean) => void;
+}
+
+export default TurboModuleRegistry.get<Spec>('Timing');