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Convert react/uimanager/*Util.java -> Kotlin (facebook#43729)
Summary: Pull Request resolved: facebook#43729 # Changelog: [Internal] - As in the title, converts corresponding type declarations in `react/uimanager/*Util.kt` to Kotlin. Differential Revision: https://internalfb.com/D55574531
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FloatUtil.java
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FloatUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| /* | ||
| * 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.uimanager | ||
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| import kotlin.math.abs | ||
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| public object FloatUtil { | ||
| private const val EPSILON = .00001f | ||
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| @JvmStatic | ||
| public fun floatsEqual(f1: Float, f2: Float): Boolean { | ||
| return if (java.lang.Float.isNaN(f1) || java.lang.Float.isNaN(f2)) { | ||
| java.lang.Float.isNaN(f1) && java.lang.Float.isNaN(f2) | ||
| } else abs(f2 - f1) < EPSILON | ||
| } | ||
| } |
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/PixelUtil.java
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/PixelUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * 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.uimanager | ||
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| import android.util.TypedValue | ||
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| /** Android dp to pixel manipulation */ | ||
| public object PixelUtil { | ||
| /** Convert from DIP to PX */ | ||
| @JvmStatic | ||
| public fun toPixelFromDIP(value: Float): Float { | ||
| return TypedValue.applyDimension( | ||
| TypedValue.COMPLEX_UNIT_DIP, value, DisplayMetricsHolder.getWindowDisplayMetrics()) | ||
| } | ||
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| /** Convert from DIP to PX */ | ||
| @JvmStatic | ||
| public fun toPixelFromDIP(value: Double): Float { | ||
| return toPixelFromDIP(value.toFloat()) | ||
| } | ||
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| /** Convert from SP to PX */ | ||
| @JvmOverloads | ||
| @JvmStatic | ||
| public fun toPixelFromSP(value: Float, maxFontScale: Float = Float.NaN): Float { | ||
| val displayMetrics = DisplayMetricsHolder.getWindowDisplayMetrics() | ||
| var scaledDensity = displayMetrics.scaledDensity | ||
| val currentFontScale = scaledDensity / displayMetrics.density | ||
| if (maxFontScale >= 1 && maxFontScale < currentFontScale) { | ||
| scaledDensity = displayMetrics.density * maxFontScale | ||
| } | ||
| return value * scaledDensity | ||
| } | ||
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| /** Convert from SP to PX */ | ||
| @JvmStatic | ||
| public fun toPixelFromSP(value: Double): Float { | ||
| return toPixelFromSP(value.toFloat()) | ||
| } | ||
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| /** Convert from PX to DP */ | ||
| @JvmStatic | ||
| public fun toDIPFromPixel(value: Float): Float { | ||
| return value / DisplayMetricsHolder.getWindowDisplayMetrics().density | ||
| } | ||
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| /** @return [float] that represents the density of the display metrics for device screen. */ | ||
| @JvmStatic | ||
| public fun getDisplayMetricDensity(): Float = | ||
| DisplayMetricsHolder.getWindowDisplayMetrics().density | ||
| } |
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...es/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/RootViewUtil.java
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...ages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/RootViewUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /* | ||
| * 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.uimanager | ||
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| import android.graphics.Point | ||
| import android.graphics.Rect | ||
| import android.view.View | ||
| import androidx.annotation.UiThread | ||
| import com.facebook.infer.annotation.Assertions | ||
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| public object RootViewUtil { | ||
| /** Returns the root view of a given view in a react application. */ | ||
| @JvmStatic | ||
| public fun getRootView(reactView: View): RootView? { | ||
| var current = reactView | ||
| while (true) { | ||
| if (current is RootView) { | ||
| return current | ||
| } | ||
| val next = current.parent ?: return null | ||
| Assertions.assertCondition(next is View) | ||
| current = next as View | ||
| } | ||
| } | ||
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| @UiThread | ||
| @JvmStatic | ||
| public fun getViewportOffset(v: View): Point { | ||
| val locationInWindow = IntArray(2) | ||
| v.getLocationInWindow(locationInWindow) | ||
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| // we need to subtract visibleWindowCoords - to subtract possible window insets, split | ||
| // screen or multi window | ||
| val visibleWindowFrame = Rect() | ||
| v.getWindowVisibleDisplayFrame(visibleWindowFrame) | ||
| locationInWindow[0] -= visibleWindowFrame.left | ||
| locationInWindow[1] -= visibleWindowFrame.top | ||
| return Point(locationInWindow[0], locationInWindow[1]) | ||
| } | ||
| } |
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