Merge "Animate clock fonts with fewer discrete steps" into udc-dev am: 3c4b404c50 (083620f3) · Commits · e / os / android_frameworks_base

packages/SystemUI/animation/src/com/android/systemui/animation/FontInterpolator.kt

+12 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package com.android.systemui.animation

		import android.graphics.fonts.Font
		import android.graphics.fonts.FontVariationAxis
		import android.util.Log
		import android.util.LruCache
		import android.util.MathUtils
		import android.util.MathUtils.abs
		@@ -114,6 +115,9 @@ class FontInterpolator {
		tmpInterpKey.set(start, end, progress)
		val cachedFont = interpCache[tmpInterpKey]
		if (cachedFont != null) {
		if (DEBUG) {
		Log.d(LOG_TAG, "[$progress] Interp. cache hit for $tmpInterpKey")
		}
		return cachedFont
		}

		@@ -159,6 +163,9 @@ class FontInterpolator {
		val axesCachedFont = verFontCache[tmpVarFontKey]
		if (axesCachedFont != null) {
		interpCache.put(InterpKey(start, end, progress), axesCachedFont)
		if (DEBUG) {
		Log.d(LOG_TAG, "[$progress] Axis cache hit for $tmpVarFontKey")
		}
		return axesCachedFont
		}

		@@ -168,6 +175,9 @@ class FontInterpolator {
		val newFont = Font.Builder(start).setFontVariationSettings(newAxes.toTypedArray()).build()
		interpCache.put(InterpKey(start, end, progress), newFont)
		verFontCache.put(VarFontKey(start, newAxes), newFont)
		if (DEBUG) {
		Log.d(LOG_TAG, "[$progress] Cache MISS for $tmpInterpKey / $tmpVarFontKey")
		}
		return newFont
		}

		@@ -233,6 +243,8 @@ class FontInterpolator {
		(v.coerceIn(min, max) / step).toInt() * step

		companion object {
		private const val LOG_TAG = "FontInterpolator"
		private val DEBUG = Log.isLoggable(LOG_TAG, Log.DEBUG)
		private val EMPTY_AXES = arrayOf<FontVariationAxis>()

		// Returns true if given two font instance can be interpolated.

packages/SystemUI/animation/src/com/android/systemui/animation/TextAnimator.kt

+18 −5

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.graphics.fonts.Font
		import android.graphics.fonts.FontVariationAxis
		import android.text.Layout
		import android.util.LruCache
		import kotlin.math.roundToInt

		private const val DEFAULT_ANIMATION_DURATION: Long = 300
		private const val TYPEFACE_CACHE_MAX_ENTRIES = 5
		@@ -63,9 +64,9 @@ class TypefaceVariantCacheImpl(
		return it
		}

		return TypefaceVariantCache
		.createVariantTypeface(baseTypeface, fvar)
		.also { cache.put(fvar, it) }
		return TypefaceVariantCache.createVariantTypeface(baseTypeface, fvar).also {
		cache.put(fvar, it)
		}
		}
		}

		@@ -74,7 +75,6 @@ class TypefaceVariantCacheImpl(
		*
		* Currently this class can provide text style animation for text weight and text size. For example
		* the simple view that draws text with animating text size is like as follows:
		*
		* <pre> <code>
		* ```
		* class SimpleTextAnimation : View {
		@@ -97,6 +97,7 @@ class TypefaceVariantCacheImpl(
		*/
		class TextAnimator(
		layout: Layout,
		numberOfAnimationSteps: Int? = null, // Only do this number of discrete animation steps.
		private val invalidateCallback: () -> Unit,
		) {
		var typefaceCache: TypefaceVariantCache = TypefaceVariantCacheImpl(layout.paint.typeface)
		@@ -112,7 +113,8 @@ class TextAnimator(
		ValueAnimator.ofFloat(1f).apply {
		duration = DEFAULT_ANIMATION_DURATION
		addUpdateListener {
		textInterpolator.progress = it.animatedValue as Float
		textInterpolator.progress =
		calculateProgress(it.animatedValue as Float, numberOfAnimationSteps)
		invalidateCallback()
		}
		addListener(
		@@ -123,6 +125,17 @@ class TextAnimator(
		)
		}

		private fun calculateProgress(animProgress: Float, numberOfAnimationSteps: Int?): Float {
		if (numberOfAnimationSteps != null) {
		// This clamps the progress to the nearest value of "numberOfAnimationSteps"
		// discrete values between 0 and 1f.
		return (animProgress * numberOfAnimationSteps).roundToInt() /
		numberOfAnimationSteps.toFloat()
		}

		return animProgress
		}

		sealed class PositionedGlyph {

		/** Mutable X coordinate of the glyph position relative from drawing offset. */

packages/SystemUI/customization/src/com/android/systemui/shared/clocks/AnimatableClockView.kt

+3 −1

Original line number	Diff line number	Diff line
		@@ -74,7 +74,8 @@ class AnimatableClockView @JvmOverloads constructor(
		private var onTextAnimatorInitialized: Runnable? = null

		@VisibleForTesting var textAnimatorFactory: (Layout, () -> Unit) -> TextAnimator =
		{ layout, invalidateCb -> TextAnimator(layout, invalidateCb) }
		{ layout, invalidateCb ->
		TextAnimator(layout, NUM_CLOCK_FONT_ANIMATION_STEPS, invalidateCb) }
		@VisibleForTesting var isAnimationEnabled: Boolean = true
		@VisibleForTesting var timeOverrideInMillis: Long? = null

		@@ -567,6 +568,7 @@ class AnimatableClockView @JvmOverloads constructor(
		private const val CHARGE_ANIM_DURATION_PHASE_0: Long = 500
		private const val CHARGE_ANIM_DURATION_PHASE_1: Long = 1000
		private const val COLOR_ANIM_DURATION: Long = 400
		private const val NUM_CLOCK_FONT_ANIMATION_STEPS = 30

		// Constants for the animation
		private val MOVE_INTERPOLATOR = Interpolators.EMPHASIZED

packages/SystemUI/tests/src/com/android/systemui/animation/TextAnimatorTest.kt

+34 −45

Original line number	Diff line number	Diff line
		@@ -26,18 +26,17 @@ import android.text.TextPaint
		import androidx.test.filters.SmallTest
		import com.android.systemui.SysuiTestCase
		import com.google.common.truth.Truth.assertThat
		import kotlin.math.ceil
		import org.junit.Test
		import org.junit.runner.RunWith
		import org.mockito.ArgumentCaptor
		import org.mockito.Mockito.`when`
		import org.mockito.Mockito.eq
		import org.mockito.Mockito.inOrder
		import org.mockito.Mockito.mock
		import org.mockito.Mockito.never
		import org.mockito.Mockito.times
		import org.mockito.Mockito.verify

		import kotlin.math.ceil
		import org.mockito.Mockito.`when`

		@RunWith(AndroidTestingRunner::class)
		@SmallTest
		@@ -56,15 +55,13 @@ class TextAnimatorTest : SysuiTestCase() {
		val paint = mock(TextPaint::class.java)
		`when`(textInterpolator.targetPaint).thenReturn(paint)

		val textAnimator = TextAnimator(layout, {}).apply {
		val textAnimator =
		TextAnimator(layout, null, {}).apply {
		this.textInterpolator = textInterpolator
		this.animator = valueAnimator
		}

		textAnimator.setTextStyle(
		weight = 400,
		animate = true
		)
		textAnimator.setTextStyle(weight = 400, animate = true)

		// If animation is requested, the base state should be rebased and the target state should
		// be updated.
		@@ -88,15 +85,13 @@ class TextAnimatorTest : SysuiTestCase() {
		val paint = mock(TextPaint::class.java)
		`when`(textInterpolator.targetPaint).thenReturn(paint)

		val textAnimator = TextAnimator(layout, {}).apply {
		val textAnimator =
		TextAnimator(layout, null, {}).apply {
		this.textInterpolator = textInterpolator
		this.animator = valueAnimator
		}

		textAnimator.setTextStyle(
		weight = 400,
		animate = false
		)
		textAnimator.setTextStyle(weight = 400, animate = false)

		// If animation is not requested, the progress should be 1 which is end of animation and the
		// base state is rebased to target state by calling rebase.
		@@ -118,7 +113,8 @@ class TextAnimatorTest : SysuiTestCase() {
		`when`(textInterpolator.targetPaint).thenReturn(paint)
		val animationEndCallback = mock(Runnable::class.java)

		val textAnimator = TextAnimator(layout, {}).apply {
		val textAnimator =
		TextAnimator(layout, null, {}).apply {
		this.textInterpolator = textInterpolator
		this.animator = valueAnimator
		}
		@@ -144,34 +140,27 @@ class TextAnimatorTest : SysuiTestCase() {
		val layout = makeLayout("Hello, World", PAINT)
		val valueAnimator = mock(ValueAnimator::class.java)
		val textInterpolator = mock(TextInterpolator::class.java)
		val paint = TextPaint().apply {
		val paint =
		TextPaint().apply {
		typeface = Typeface.createFromFile("/system/fonts/Roboto-Regular.ttf")
		}
		`when`(textInterpolator.targetPaint).thenReturn(paint)

		val textAnimator = TextAnimator(layout, {}).apply {
		val textAnimator =
		TextAnimator(layout, null, {}).apply {
		this.textInterpolator = textInterpolator
		this.animator = valueAnimator
		}

		textAnimator.setTextStyle(
		weight = 400,
		animate = true
		)
		textAnimator.setTextStyle(weight = 400, animate = true)

		val prevTypeface = paint.typeface

		textAnimator.setTextStyle(
		weight = 700,
		animate = true
		)
		textAnimator.setTextStyle(weight = 700, animate = true)

		assertThat(paint.typeface).isNotSameInstanceAs(prevTypeface)

		textAnimator.setTextStyle(
		weight = 400,
		animate = true
		)
		textAnimator.setTextStyle(weight = 400, animate = true)

		assertThat(paint.typeface).isSameInstanceAs(prevTypeface)
		}