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Code Issues Releases Wiki Activity

For #13030 - Use material design animation values for swipe to switch tabs.

Browse Source
pull/35/head
Kainalu Hagiwara 4 years ago committed by Mugurell
parent 2743c37b40
commit c119070e21
3 changed files with 55 additions and 81 deletions
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1
app/build.gradle
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@ -428,7 +428,6 @@ dependencies {
implementation Deps.androidx_lifecycle_viewmodel
implementation Deps.androidx_core
implementation Deps.androidx_core_ktx
implementation Deps.androidx_dynamic_animation
implementation Deps.androidx_transition
implementation Deps.androidx_work_ktx
implementation Deps.google_material

133
app/src/main/java/org/mozilla/fenix/browser/ToolbarGestureHandler.kt
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@ -6,19 +6,19 @@ package org.mozilla.fenix.browser
import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.animation.ValueAnimator
import android.app.Activity
import android.graphics.PointF
import android.graphics.Rect
import android.util.TypedValue
import android.view.View
import android.view.ViewConfiguration
import androidx.annotation.Dimension
import androidx.annotation.Dimension.DP
import androidx.core.animation.doOnEnd
import androidx.core.graphics.contains
import androidx.core.graphics.toPoint
import androidx.core.view.isVisible
import androidx.dynamicanimation.animation.DynamicAnimation
import androidx.dynamicanimation.animation.FlingAnimation
import androidx.interpolator.view.animation.LinearOutSlowInInterpolator
import mozilla.components.browser.session.Session
import mozilla.components.browser.session.SessionManager
import mozilla.components.support.ktx.android.util.dpToPx
@ -61,11 +61,6 @@ class ToolbarGestureHandler(
private val touchSlop = ViewConfiguration.get(activity).scaledTouchSlop
private val minimumFlingVelocity = ViewConfiguration.get(activity).scaledMinimumFlingVelocity
private val defaultVelocity = TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
MINIMUM_ANIMATION_VELOCITY,
activity.resources.displayMetrics
)
private var gestureDirection = GestureDirection.LEFT_TO_RIGHT
@ -143,25 +138,12 @@ class ToolbarGestureHandler(
) {
val destination = getDestination()
if (destination is Destination.Tab && isGestureComplete(velocityX)) {
animateToNextTab(velocityX, destination.session)
animateToNextTab(destination.session)
} else {
animateCanceledGesture(velocityX)
}
}
private fun createFlingAnimation(
view: View,
minValue: Float,
maxValue: Float,
startVelocity: Float
): FlingAnimation =
FlingAnimation(view, DynamicAnimation.TRANSLATION_X).apply {
setMinValue(minValue)
setMaxValue(maxValue)
setStartVelocity(startVelocity)
friction = ViewConfiguration.getScrollFriction()
}
private fun getDestination(): Destination {
val isLtr = activity.resources.configuration.layoutDirection == View.LAYOUT_DIRECTION_LTR
val currentSession = sessionManager.selectedSession ?: return Destination.None
@ -234,73 +216,59 @@ class ToolbarGestureHandler(
abs(velocityX) >= minimumFlingVelocity)
}
private fun getVelocityFromFling(velocityX: Float): Float {
return max(abs(velocityX), defaultVelocity)
private fun getAnimator(finalContextX: Float, duration: Long): ValueAnimator {
return ValueAnimator.ofFloat(contentLayout.translationX, finalContextX).apply {
this.duration = duration
this.interpolator = LinearOutSlowInInterpolator()
addUpdateListener { animator ->
val value = animator.animatedValue as Float
contentLayout.translationX = value
tabPreview.translationX = when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> value + windowWidth + previewOffset
GestureDirection.LEFT_TO_RIGHT -> value - windowWidth - previewOffset
}
}
}
}
private fun animateToNextTab(velocityX: Float, session: Session) {
private fun animateToNextTab(session: Session) {
val browserFinalXCoordinate: Float = when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> -windowWidth.toFloat() - previewOffset
GestureDirection.LEFT_TO_RIGHT -> windowWidth.toFloat() + previewOffset
}
val animationVelocity = when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> -getVelocityFromFling(velocityX)
GestureDirection.LEFT_TO_RIGHT -> getVelocityFromFling(velocityX)
}
// Finish animating the contentLayout off screen and tabPreview on screen
createFlingAnimation(
view = contentLayout,
minValue = min(0f, browserFinalXCoordinate),
maxValue = max(0f, browserFinalXCoordinate),
startVelocity = animationVelocity
).addUpdateListener { _, value, _ ->
tabPreview.translationX = when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> value + windowWidth + previewOffset
GestureDirection.LEFT_TO_RIGHT -> value - windowWidth - previewOffset
getAnimator(browserFinalXCoordinate, FINISHED_GESTURE_ANIMATION_DURATION).apply {
doOnEnd {
contentLayout.translationX = 0f
sessionManager.select(session)
// Fade out the tab preview to prevent flickering
val shortAnimationDuration =
activity.resources.getInteger(android.R.integer.config_shortAnimTime)
tabPreview.animate()
.alpha(0f)
.setDuration(shortAnimationDuration.toLong())
.setListener(object : AnimatorListenerAdapter() {
override fun onAnimationEnd(animation: Animator?) {
tabPreview.isVisible = false
}
})
}
}.addEndListener { _, _, _, _ ->
contentLayout.translationX = 0f
sessionManager.select(session)
// Fade out the tab preview to prevent flickering
val shortAnimationDuration =
activity.resources.getInteger(android.R.integer.config_shortAnimTime)
tabPreview.animate()
.alpha(0f)
.setDuration(shortAnimationDuration.toLong())
.setListener(object : AnimatorListenerAdapter() {
override fun onAnimationEnd(animation: Animator?) {
tabPreview.isVisible = false
}
})
}.start()
}
private fun animateCanceledGesture(gestureVelocity: Float) {
val velocity = if (getDestination() is Destination.None) {
defaultVelocity
private fun animateCanceledGesture(velocityX: Float) {
val duration = if (abs(velocityX) >= minimumFlingVelocity) {
CANCELED_FLING_ANIMATION_DURATION
} else {
getVelocityFromFling(gestureVelocity)
}.let { v ->
when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> v
GestureDirection.LEFT_TO_RIGHT -> -v
}
CANCELED_GESTURE_ANIMATION_DURATION
}
createFlingAnimation(
view = contentLayout,
minValue = min(0f, contentLayout.translationX),
maxValue = max(0f, contentLayout.translationX),
startVelocity = velocity
).addUpdateListener { _, value, _ ->
tabPreview.translationX = when (gestureDirection) {
GestureDirection.RIGHT_TO_LEFT -> value + windowWidth + previewOffset
GestureDirection.LEFT_TO_RIGHT -> value - windowWidth - previewOffset
getAnimator(0f, duration).apply {
doOnEnd {
tabPreview.isVisible = false
}
}.addEndListener { _, _, _, _ ->
tabPreview.isVisible = false
}.start()
}
@ -337,15 +305,24 @@ class ToolbarGestureHandler(
private const val OVERSCROLL_HIDE_PERCENT = 0.20
/**
* The speed of the fling animation (in dp per second).
* The size of the gap between the tab preview and content layout.
*/
@Dimension(unit = DP)
private const val MINIMUM_ANIMATION_VELOCITY = 1500f
private const val PREVIEW_OFFSET = 48
/**
* The size of the gap between the tab preview and content layout.
* Animation duration when switching to another tab
*/
@Dimension(unit = DP)
private const val PREVIEW_OFFSET = 48
private const val FINISHED_GESTURE_ANIMATION_DURATION = 250L
/**
* Animation duration gesture is canceled due to the swipe not being far enough
*/
private const val CANCELED_GESTURE_ANIMATION_DURATION = 200L
/**
* Animation duration gesture is canceled due to a swipe in the opposite direction
*/
private const val CANCELED_FLING_ANIMATION_DURATION = 150L
}
}

2
buildSrc/src/main/java/Dependencies.kt
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@ -27,7 +27,6 @@ object Versions {
const val androidx_paging = "2.1.0"
const val androidx_transition = "1.3.0"
const val androidx_work = "2.2.0"
const val androidx_dynamic_animation = "1.0.0"
const val google_material = "1.1.0"
const val google_flexbox = "2.0.1"
@ -172,7 +171,6 @@ object Deps {
const val androidx_recyclerview = "androidx.recyclerview:recyclerview:${Versions.androidx_recyclerview}"
const val androidx_core = "androidx.core:core:${Versions.androidx_core}"
const val androidx_core_ktx = "androidx.core:core-ktx:${Versions.androidx_core}"
const val androidx_dynamic_animation = "androidx.dynamicanimation:dynamicanimation:${Versions.androidx_dynamic_animation}"
const val androidx_transition = "androidx.transition:transition:${Versions.androidx_transition}"
const val androidx_work_ktx = "androidx.work:work-runtime-ktx:${Versions.androidx_work}"
const val androidx_work_testing = "androidx.work:work-testing:${Versions.androidx_work}"

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