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rn-android | Add abstraction layer between ReactChoreographer and and…
…roid.view.Choreographer that allows substituting current implementation. Summary: We want to have an extension point for choreographer, so we can override default behavior and have either rate-limiting, or testing or other form of manual control. For all those cases allow substitution of choreographer that ReactChoreographer would use by default with a custom one. Changelog: [Android][Added] ReactChoreographer can now use an implementation substitution instead of relying on android.view.Choreographer directly. Reviewed By: javache Differential Revision: D50827975 fbshipit-source-id: 0fd78e1f4f96ffd832e5d8cdc6c805f9a9e272cf
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39 changes: 39 additions & 0 deletions
39
.../ReactAndroid/src/main/java/com/facebook/react/internal/AndroidChoreographerProvider.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| package com.facebook.react.internal; | ||
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| import com.facebook.react.bridge.UiThreadUtil; | ||
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| /** An implementation of ChoreographerProvider that directly uses android.view.Choreographer. */ | ||
| public final class AndroidChoreographerProvider implements ChoreographerProvider { | ||
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| public static final class AndroidChoreographer implements ChoreographerProvider.Choreographer { | ||
| private final android.view.Choreographer sInstance = android.view.Choreographer.getInstance(); | ||
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| public void postFrameCallback(android.view.Choreographer.FrameCallback callback) { | ||
| sInstance.postFrameCallback(callback); | ||
| } | ||
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| public void removeFrameCallback(android.view.Choreographer.FrameCallback callback) { | ||
| sInstance.removeFrameCallback(callback); | ||
| } | ||
| } | ||
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| private static class Holder { | ||
| private static final AndroidChoreographerProvider INSTANCE = new AndroidChoreographerProvider(); | ||
| } | ||
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| public static AndroidChoreographerProvider getInstance() { | ||
| return Holder.INSTANCE; | ||
| } | ||
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| public Choreographer getChoreographer() { | ||
| UiThreadUtil.assertOnUiThread(); | ||
| return new AndroidChoreographer(); | ||
| } | ||
| } |
30 changes: 30 additions & 0 deletions
30
...-native/ReactAndroid/src/main/java/com/facebook/react/internal/ChoreographerProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| package com.facebook.react.internal; | ||
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| public interface ChoreographerProvider { | ||
| /** | ||
| * The interface to a android.view.Choreographer-like object, that can either use the | ||
| * android.view.Choreographer or a mock one for testing purposes, or override built-in | ||
| * android.view.Choreographer's behaviors. | ||
| */ | ||
| interface Choreographer { | ||
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| /** Posts a frame callback to run on the next frame. */ | ||
| void postFrameCallback(android.view.Choreographer.FrameCallback callback); | ||
| /** Removes a previously posted frame callback. */ | ||
| void removeFrameCallback(android.view.Choreographer.FrameCallback callback); | ||
| } | ||
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| /** | ||
| * Get an instance of Choreographer. | ||
| * | ||
| * @return An instance of Choreographer. | ||
| */ | ||
| Choreographer getChoreographer(); | ||
| } |
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