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Commit c4ea06e7 authored by Mike Schneider's avatar Mike Schneider Committed by Automerger Merge Worker
Browse files

[flexiglass] Pin bouncer UX polish. am: 2515b7ef 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23284679



Change-Id: I0854f083bb0101f428813dfd7895f74e7847208d
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents f1f1940b 2515b7ef

packages/SystemUI/compose/core/src/com/android/compose/animation/Easings.kt

0 → 100644
+63 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.compose.animation



import androidx.compose.animation.core.Easing

import androidx.core.animation.Interpolator

import com.android.app.animation.InterpolatorsAndroidX



/**

 * Compose-compatible definition of Android motion eases, see

 * https://carbon.googleplex.com/android-motion/pages/easing

 */

object Easings {



    /** The standard interpolator that should be used on every normal animation */

    val StandardEasing = fromInterpolator(InterpolatorsAndroidX.STANDARD)



    /**

     * The standard accelerating interpolator that should be used on every regular movement of

     * content that is disappearing e.g. when moving off screen.

     */

    val StandardAccelerateEasing = fromInterpolator(InterpolatorsAndroidX.STANDARD_ACCELERATE)



    /**

     * The standard decelerating interpolator that should be used on every regular movement of

     * content that is appearing e.g. when coming from off screen.

     */

    val StandardDecelerateEasing = fromInterpolator(InterpolatorsAndroidX.STANDARD_DECELERATE)



    /** The default emphasized interpolator. Used for hero / emphasized movement of content. */

    val EmphasizedEasing = fromInterpolator(InterpolatorsAndroidX.EMPHASIZED)



    /**

     * The accelerated emphasized interpolator. Used for hero / emphasized movement of content that

     * is disappearing e.g. when moving off screen.

     */

    val EmphasizedAccelerateEasing = fromInterpolator(InterpolatorsAndroidX.EMPHASIZED_ACCELERATE)



    /**

     * The decelerating emphasized interpolator. Used for hero / emphasized movement of content that

     * is appearing e.g. when coming from off screen

     */

    val EmphasizedDecelerateEasing = fromInterpolator(InterpolatorsAndroidX.EMPHASIZED_DECELERATE)



    /** The linear interpolator. */

    val LinearEasing = fromInterpolator(InterpolatorsAndroidX.LINEAR)



    private fun fromInterpolator(source: Interpolator) = Easing { x -> source.getInterpolation(x) }

}

packages/SystemUI/compose/features/src/com/android/systemui/bouncer/ui/composable/PinBouncer.kt

+70 −15
Original line number Diff line number Diff line
@@ -18,11 +18,15 @@ 


package com.android.systemui.bouncer.ui.composable



import android.view.HapticFeedbackConstants

import androidx.compose.animation.AnimatedVisibility

import androidx.compose.animation.ExperimentalAnimationApi

import androidx.compose.animation.animateColorAsState

import androidx.compose.animation.animateContentSize

import androidx.compose.animation.core.AnimationSpec

import androidx.compose.animation.core.LinearEasing

import androidx.compose.animation.core.animateDpAsState

import androidx.compose.animation.core.tween

import androidx.compose.animation.fadeIn

import androidx.compose.animation.fadeOut

import androidx.compose.animation.scaleIn
@@ -48,6 +52,7 @@ import androidx.compose.runtime.collectAsState 
import androidx.compose.runtime.getValue

import androidx.compose.runtime.mutableStateOf

import androidx.compose.runtime.remember

import androidx.compose.runtime.rememberCoroutineScope

import androidx.compose.runtime.setValue

import androidx.compose.ui.Alignment

import androidx.compose.ui.Modifier
@@ -55,8 +60,10 @@ import androidx.compose.ui.draw.drawBehind 
import androidx.compose.ui.geometry.CornerRadius

import androidx.compose.ui.graphics.Color

import androidx.compose.ui.input.pointer.pointerInput

import androidx.compose.ui.platform.LocalView

import androidx.compose.ui.unit.Dp

import androidx.compose.ui.unit.dp

import com.android.compose.animation.Easings

import com.android.compose.grid.VerticalGrid

import com.android.systemui.R

import com.android.systemui.bouncer.ui.viewmodel.PinBouncerViewModel
@@ -65,6 +72,11 @@ import com.android.systemui.common.shared.model.Icon 
import com.android.systemui.common.ui.compose.Icon

import com.android.systemui.compose.modifiers.thenIf

import kotlin.math.max

import kotlin.time.Duration.Companion.milliseconds

import kotlin.time.DurationUnit

import kotlinx.coroutines.async

import kotlinx.coroutines.delay

import kotlinx.coroutines.launch



@Composable

internal fun PinBouncer(
@@ -128,7 +140,7 @@ internal fun PinBouncer( 
                onClicked = { viewModel.onBackspaceButtonClicked() },

                onLongPressed = { viewModel.onBackspaceButtonLongPressed() },

                isEnabled = isInputEnabled,

                isHighlighted = true,

                isIconButton = true,

            ) { contentColor ->

                PinIcon(

                    Icon.Resource(
@@ -149,8 +161,8 @@ internal fun PinBouncer( 


            PinButton(

                onClicked = { viewModel.onAuthenticateButtonClicked() },

                isHighlighted = true,

                isEnabled = isInputEnabled,

                isIconButton = true,

            ) { contentColor ->

                PinIcon(

                    Icon.Resource(
@@ -196,39 +208,65 @@ private fun PinButton( 
    isEnabled: Boolean,

    modifier: Modifier = Modifier,

    onLongPressed: (() -> Unit)? = null,

    isHighlighted: Boolean = false,

    isIconButton: Boolean = false,

    content: @Composable (contentColor: Color) -> Unit,

) {

    var isPressed: Boolean by remember { mutableStateOf(false) }



    val view = LocalView.current

    LaunchedEffect(isPressed) {

        if (isPressed) {

            view.performHapticFeedback(

                HapticFeedbackConstants.VIRTUAL_KEY,

                HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING,

            )

        }

    }



    // Pin button animation specification is asymmetric: fast animation to the pressed state, and a

    // slow animation upon release. Note that isPressed is guaranteed to be true for at least the

    // press animation duration (see below in detectTapGestures).

    val animEasing = if (isPressed) pinButtonPressedEasing else pinButtonReleasedEasing

    val animDurationMillis =

        (if (isPressed) pinButtonPressedDuration else pinButtonReleasedDuration).toInt(

            DurationUnit.MILLISECONDS

        )



    val cornerRadius: Dp by

        animateDpAsState(

            if (isPressed) 24.dp else PinButtonSize / 2,

            if (isPressed) 24.dp else pinButtonSize / 2,

            label = "PinButton round corners",

            animationSpec = tween(animDurationMillis, easing = animEasing)

        )

    val colorAnimationSpec: AnimationSpec<Color> = tween(animDurationMillis, easing = animEasing)

    val containerColor: Color by

        animateColorAsState(

            when {

                isPressed -> MaterialTheme.colorScheme.primaryContainer

                isHighlighted -> MaterialTheme.colorScheme.secondaryContainer

                else -> MaterialTheme.colorScheme.surface

                isPressed -> MaterialTheme.colorScheme.primary

                isIconButton -> MaterialTheme.colorScheme.secondaryContainer

                else -> MaterialTheme.colorScheme.surfaceVariant

            },

            label = "Pin button container color",

            animationSpec = colorAnimationSpec

        )

    val contentColor: Color by

        animateColorAsState(

            when {

                isPressed -> MaterialTheme.colorScheme.onPrimaryContainer

                isHighlighted -> MaterialTheme.colorScheme.onSecondaryContainer

                else -> MaterialTheme.colorScheme.onSurface

                isPressed -> MaterialTheme.colorScheme.onPrimary

                isIconButton -> MaterialTheme.colorScheme.onSecondaryContainer

                else -> MaterialTheme.colorScheme.onSurfaceVariant

            },

            label = "Pin button container color",

            animationSpec = colorAnimationSpec

        )



    val scope = rememberCoroutineScope()



    Box(

        contentAlignment = Alignment.Center,

        modifier =

            modifier

                .size(PinButtonSize)

                .size(pinButtonSize)

                .drawBehind {

                    drawRoundRect(

                        color = containerColor,
@@ -239,9 +277,15 @@ private fun PinButton( 
                    Modifier.pointerInput(Unit) {

                        detectTapGestures(

                            onPress = {

                                scope.launch {

                                    isPressed = true

                                    val minDuration = async {

                                        delay(pinButtonPressedDuration + pinButtonHoldTime)

                                    }

                                    tryAwaitRelease()

                                    minDuration.await()

                                    isPressed = false

                                }

                            },

                            onTap = { onClicked() },

                            onLongPress = onLongPressed?.let { { onLongPressed() } },
@@ -253,4 +297,15 @@ private fun PinButton( 
    }

}



private val PinButtonSize = 84.dp
 
private fun showFailureAnimation() {

    // TODO(b/282730134): implement.

}



private val pinButtonSize = 84.dp



// Pin button motion spec: http://shortn/_9TTIG6SoEa

private val pinButtonPressedDuration = 100.milliseconds

private val pinButtonPressedEasing = LinearEasing

private val pinButtonHoldTime = 33.milliseconds

private val pinButtonReleasedDuration = 420.milliseconds

private val pinButtonReleasedEasing = Easings.StandardEasing