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53 changes: 53 additions & 0 deletions
53
packages/core/android/src/main/kotlin/com/datadog/reactnative/FrameRateProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package com.datadog.reactnative | ||
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| import com.facebook.react.modules.core.ChoreographerCompat | ||
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| internal class FrameRateProvider( | ||
| reactFrameRateCallback: ((Double) -> Unit)? | ||
| ) { | ||
| private val frameCallback: FpsFrameCallback = FpsFrameCallback(reactFrameRateCallback) | ||
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| fun start() { | ||
| frameCallback.reset() | ||
| frameCallback.start() | ||
| } | ||
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| fun stop() { | ||
| frameCallback.stop() | ||
| } | ||
| } | ||
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| internal class FpsFrameCallback( | ||
| private val reactFrameRateCallback: ((Double) -> Unit)? | ||
| ) : | ||
| ChoreographerCompat.FrameCallback() { | ||
| private var mChoreographer: ChoreographerCompat? = null | ||
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| private var mLastFrameTime = -1L | ||
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| override fun doFrame(time: Long) { | ||
| if (mLastFrameTime != -1L) { | ||
| reactFrameRateCallback?.let { it((time - mLastFrameTime).toDouble()) } | ||
| } | ||
| mLastFrameTime = time | ||
| mChoreographer?.postFrameCallback(this) | ||
| } | ||
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| fun start() { | ||
| UiThreadExecutor.Provider.uiThreadExecutor.runOnUiThread { | ||
| mChoreographer = ChoreographerCompat.getInstance() | ||
| mChoreographer?.postFrameCallback(this@FpsFrameCallback) | ||
| } | ||
| } | ||
|
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| fun stop() { | ||
| UiThreadExecutor.Provider.uiThreadExecutor.runOnUiThread { | ||
| mChoreographer = ChoreographerCompat.getInstance() | ||
| mChoreographer?.removeFrameCallback(this@FpsFrameCallback) | ||
| } | ||
| } | ||
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| fun reset() { | ||
| mLastFrameTime = -1L | ||
| } | ||
| } |
34 changes: 34 additions & 0 deletions
34
packages/core/android/src/main/kotlin/com/datadog/reactnative/UiThreadExecutor.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package com.datadog.reactnative | ||
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| import com.facebook.react.bridge.UiThreadUtil | ||
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| internal interface UiThreadExecutor { | ||
| fun runOnUiThread(runnable: Runnable) | ||
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| object Provider { | ||
| val uiThreadExecutor: UiThreadExecutor by lazy { | ||
| if (isRunningInTest()) { | ||
| TestUiThreadExecutor() | ||
| } else { | ||
| RealUiThreadExecutor() | ||
| } | ||
| } | ||
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| private fun isRunningInTest(): Boolean { | ||
| return System.getProperty("IS_UNIT_TEST") == "true" | ||
| } | ||
| } | ||
| } | ||
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| internal class RealUiThreadExecutor : UiThreadExecutor { | ||
| override fun runOnUiThread(runnable: Runnable) { | ||
| UiThreadUtil.runOnUiThread(runnable) | ||
| } | ||
| } | ||
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| internal class TestUiThreadExecutor : UiThreadExecutor { | ||
| override fun runOnUiThread(runnable: Runnable) { | ||
| // Run immediately in the same thread for tests | ||
| runnable.run() | ||
| } | ||
| } |
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