Revert^2 "[Media] Update background gradient scrim to use album theme colors." (a975afa9) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/keyguard/NumPadAnimator.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -15,6 +15,8 @@
		*/
		package com.android.keyguard;

		import static com.android.systemui.util.ColorUtilKt.getPrivateAttrColorIfUnset;

		import android.animation.AnimatorSet;
		import android.animation.ArgbEvaluator;
		import android.animation.ValueAnimator;
		@@ -152,7 +154,7 @@ class NumPadAnimator {

		ContextThemeWrapper ctw = new ContextThemeWrapper(context, mStyle);
		TypedArray a = ctw.obtainStyledAttributes(customAttrs);
		mNormalColor = Utils.getPrivateAttrColorIfUnset(ctw, a, 0, 0,
		mNormalColor = getPrivateAttrColorIfUnset(ctw, a, 0, 0,
		com.android.internal.R.attr.colorSurface);
		mHighlightColor = a.getColor(1, 0);
		a.recycle();

packages/SystemUI/src/com/android/systemui/media/ColorSchemeTransition.kt

+72 −17

Original line number	Diff line number	Diff line
		@@ -21,24 +21,41 @@ import android.animation.ValueAnimator.AnimatorUpdateListener
		import android.animation.ValueAnimator
		import android.content.Context
		import android.content.res.ColorStateList
		import android.graphics.drawable.GradientDrawable
		import com.android.internal.R
		import com.android.internal.annotations.VisibleForTesting
		import com.android.settingslib.Utils
		import com.android.systemui.monet.ColorScheme
		import com.android.systemui.util.getColorWithAlpha

		/**
		* ColorTransition is responsible for managing the animation between two specific colors.
		* A [ColorTransition] is an object that updates the colors of views each time [updateColorScheme]
		* is triggered.
		*/
		interface ColorTransition {
		fun updateColorScheme(scheme: ColorScheme?)
		}

		/** A generic implementation of [ColorTransition] so that we can define a factory method. */
		open class GenericColorTransition(
		private val applyTheme: (ColorScheme?) -> Unit
		) : ColorTransition {
		override fun updateColorScheme(scheme: ColorScheme?) = applyTheme(scheme)
		}

		/**
		* A [ColorTransition] that animates between two specific colors.
		* It uses a ValueAnimator to execute the animation and interpolate between the source color and
		* the target color.
		*
		* Selection of the target color from the scheme, and application of the interpolated color
		* are delegated to callbacks.
		*/
		open class ColorTransition(
		open class AnimatingColorTransition(
		private val defaultColor: Int,
		private val extractColor: (ColorScheme) -> Int,
		private val applyColor: (Int) -> Unit
		) : AnimatorUpdateListener {
		) : AnimatorUpdateListener, ColorTransition {

		private val argbEvaluator = ArgbEvaluator()
		private val valueAnimator = buildAnimator()
		@@ -53,7 +70,7 @@ open class ColorTransition(
		applyColor(currentColor)
		}

		fun updateColorScheme(scheme: ColorScheme?) {
		override fun updateColorScheme(scheme: ColorScheme?) {
		val newTargetColor = if (scheme == null) defaultColor else extractColor(scheme)
		if (newTargetColor != targetColor) {
		sourceColor = currentColor
		@@ -76,7 +93,9 @@ open class ColorTransition(
		}
		}

		typealias ColorTransitionFactory = (Int, (ColorScheme) -> Int, (Int) -> Unit) -> ColorTransition
		typealias AnimatingColorTransitionFactory =
		(Int, (ColorScheme) -> Int, (Int) -> Unit) -> AnimatingColorTransition
		typealias GenericColorTransitionFactory = ((ColorScheme?) -> Unit) -> GenericColorTransition

		/**
		* ColorSchemeTransition constructs a ColorTransition for each color in the scheme
		@@ -86,27 +105,26 @@ typealias ColorTransitionFactory = (Int, (ColorScheme) -> Int, (Int) -> Unit) ->
		class ColorSchemeTransition internal constructor(
		private val context: Context,
		mediaViewHolder: MediaViewHolder,
		colorTransitionFactory: ColorTransitionFactory
		animatingColorTransitionFactory: AnimatingColorTransitionFactory,
		genericColorTransitionFactory: GenericColorTransitionFactory
		) {
		constructor(context: Context, mediaViewHolder: MediaViewHolder) :
		this(context, mediaViewHolder, ::ColorTransition)
		this(context, mediaViewHolder, ::AnimatingColorTransition, ::GenericColorTransition)

		val bgColor = context.getColor(com.android.systemui.R.color.material_dynamic_secondary95)

		val surfaceColor = colorTransitionFactory(
		val surfaceColor = animatingColorTransitionFactory(
		bgColor,
		::surfaceFromScheme
		) { surfaceColor ->
		val colorList = ColorStateList.valueOf(surfaceColor)
		mediaViewHolder.player.backgroundTintList = colorList
		mediaViewHolder.albumView.foregroundTintList = colorList
		mediaViewHolder.albumView.backgroundTintList = colorList
		mediaViewHolder.seamlessIcon.imageTintList = colorList
		mediaViewHolder.seamlessText.setTextColor(surfaceColor)
		mediaViewHolder.gutsViewHolder.setSurfaceColor(surfaceColor)
		}

		val accentPrimary = colorTransitionFactory(
		val accentPrimary = animatingColorTransitionFactory(
		loadDefaultColor(R.attr.textColorPrimary),
		::accentPrimaryFromScheme
		) { accentPrimary ->
		@@ -116,7 +134,7 @@ class ColorSchemeTransition internal constructor(
		mediaViewHolder.gutsViewHolder.setAccentPrimaryColor(accentPrimary)
		}

		val textPrimary = colorTransitionFactory(
		val textPrimary = animatingColorTransitionFactory(
		loadDefaultColor(R.attr.textColorPrimary),
		::textPrimaryFromScheme
		) { textPrimary ->
		@@ -132,28 +150,65 @@ class ColorSchemeTransition internal constructor(
		mediaViewHolder.gutsViewHolder.setTextPrimaryColor(textPrimary)
		}

		val textPrimaryInverse = colorTransitionFactory(
		val textPrimaryInverse = animatingColorTransitionFactory(
		loadDefaultColor(R.attr.textColorPrimaryInverse),
		::textPrimaryInverseFromScheme
		) { textPrimaryInverse ->
		mediaViewHolder.actionPlayPause.imageTintList = ColorStateList.valueOf(textPrimaryInverse)
		}

		val textSecondary = colorTransitionFactory(
		val textSecondary = animatingColorTransitionFactory(
		loadDefaultColor(R.attr.textColorSecondary),
		::textSecondaryFromScheme
		) { textSecondary -> mediaViewHolder.artistText.setTextColor(textSecondary) }

		val textTertiary = colorTransitionFactory(
		val textTertiary = animatingColorTransitionFactory(
		loadDefaultColor(R.attr.textColorTertiary),
		::textTertiaryFromScheme
		) { textTertiary ->
		mediaViewHolder.seekBar.progressBackgroundTintList = ColorStateList.valueOf(textTertiary)
		}

		// Note: This background gradient currently doesn't animate between colors.
		val backgroundGradient = genericColorTransitionFactory { scheme ->
		val defaultTintColor = ColorStateList.valueOf(bgColor)
		if (scheme == null) {
		mediaViewHolder.albumView.foregroundTintList = defaultTintColor
		mediaViewHolder.albumView.backgroundTintList = defaultTintColor
		return@genericColorTransitionFactory
		}

		// If there's no album art, just hide the gradient so we show the solid background.
		val showGradient = mediaViewHolder.albumView.drawable != null
		val startColor = getColorWithAlpha(
		backgroundStartFromScheme(scheme),
		alpha = if (showGradient) .25f else 0f
		)
		val endColor = getColorWithAlpha(
		backgroundEndFromScheme(scheme),
		alpha = if (showGradient) .90f else 0f
		)
		val gradientColors = intArrayOf(startColor, endColor)

		val foregroundGradient = mediaViewHolder.albumView.foreground?.mutate()
		if (foregroundGradient is GradientDrawable) {
		foregroundGradient.colors = gradientColors
		}
		val backgroundGradient = mediaViewHolder.albumView.background?.mutate()
		if (backgroundGradient is GradientDrawable) {
		backgroundGradient.colors = gradientColors
		}
		}

		val colorTransitions = arrayOf(
		surfaceColor, accentPrimary, textPrimary,
		textPrimaryInverse, textSecondary, textTertiary)
		surfaceColor,
		accentPrimary,
		textPrimary,
		textPrimaryInverse,
		textSecondary,
		textTertiary,
		backgroundGradient
		)

		private fun loadDefaultColor(id: Int): Int {
		return Utils.getColorAttr(context, id).defaultColor

packages/SystemUI/src/com/android/systemui/media/MediaColorSchemes.kt

+6 −0

Original line number	Diff line number	Diff line
		@@ -35,3 +35,9 @@ internal fun textSecondaryFromScheme(scheme: ColorScheme) = scheme.neutral2[3] /

		/** Returns the tertiary text color for media controls based on the scheme. */
		internal fun textTertiaryFromScheme(scheme: ColorScheme) = scheme.neutral2[5] // N2-400

		/** Returns the color for the start of the background gradient based on the scheme. */
		internal fun backgroundStartFromScheme(scheme: ColorScheme) = scheme.accent2[8] // A2-700

		/** Returns the color for the end of the background gradient based on the scheme. */
		internal fun backgroundEndFromScheme(scheme: ColorScheme) = scheme.accent1[8] // A1-700

packages/SystemUI/src/com/android/systemui/statusbar/LightRevealScrim.kt

+3 −10

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@ import android.util.MathUtils.lerp
		import android.view.View
		import com.android.systemui.animation.Interpolators
		import com.android.systemui.statusbar.LightRevealEffect.Companion.getPercentPastThreshold
		import com.android.systemui.util.getColorWithAlpha
		import java.util.function.Consumer

		/**
		@@ -367,7 +368,7 @@ class LightRevealScrim(context: Context?, attrs: AttributeSet?) : View(context,
		}

		if (startColorAlpha > 0f) {
		canvas.drawColor(updateColorAlpha(revealGradientEndColor, startColorAlpha))
		canvas.drawColor(getColorWithAlpha(revealGradientEndColor, startColorAlpha))
		}

		with(shaderGradientMatrix) {
		@@ -383,15 +384,7 @@ class LightRevealScrim(context: Context?, attrs: AttributeSet?) : View(context,

		private fun setPaintColorFilter() {
		gradientPaint.colorFilter = PorterDuffColorFilter(
		updateColorAlpha(revealGradientEndColor, revealGradientEndColorAlpha),
		getColorWithAlpha(revealGradientEndColor, revealGradientEndColorAlpha),
		PorterDuff.Mode.MULTIPLY)
		}

		private fun updateColorAlpha(color: Int, alpha: Float): Int =
		Color.argb(
		(alpha * 255).toInt(),
		Color.red(color),
		Color.green(color),
		Color.blue(color)
		)
		}
		No newline at end of file

packages/SystemUI/src/com/android/systemui/util/ColorUtil.kt

0 → 100644

+53 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.systemui.util

		import android.content.res.TypedArray
		import android.graphics.Color
		import android.view.ContextThemeWrapper

		/** Returns an ARGB color version of [color] at the given [alpha]. */
		fun getColorWithAlpha(color: Int, alpha: Float): Int =
		Color.argb(
		(alpha * 255).toInt(),
		Color.red(color),
		Color.green(color),
		Color.blue(color)
		)


		/**
		* Returns the color provided at the specified {@param attrIndex} in {@param a} if it exists,
		* otherwise, returns the color from the private attribute {@param privAttrId}.
		*/
		fun getPrivateAttrColorIfUnset(
		ctw: ContextThemeWrapper, attrArray: TypedArray,
		attrIndex: Int, defColor: Int, privAttrId: Int
		): Int {
		// If the index is specified, use that value
		var a = attrArray
		if (a.hasValue(attrIndex)) {
		return a.getColor(attrIndex, defColor)
		}

		// Otherwise fallback to the value of the private attribute
		val customAttrs = intArrayOf(privAttrId)
		a = ctw.obtainStyledAttributes(customAttrs)
		val color = a.getColor(0, defColor)
		a.recycle()
		return color
		}