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Improve pane transitions in bank auth flow
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91 changes: 91 additions & 0 deletions
91
...ncial-connections/src/main/java/com/stripe/android/financialconnections/ui/Transitions.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package com.stripe.android.financialconnections.ui | ||
|
|
||
| import androidx.compose.animation.AnimatedContentTransitionScope | ||
| import androidx.compose.animation.EnterTransition | ||
| import androidx.compose.animation.ExitTransition | ||
| import androidx.compose.animation.core.tween | ||
| import androidx.compose.animation.fadeIn | ||
| import androidx.compose.animation.fadeOut | ||
| import androidx.compose.animation.slideInHorizontally | ||
| import androidx.compose.animation.slideOutHorizontally | ||
| import androidx.navigation.NavBackStackEntry | ||
| import com.stripe.android.financialconnections.model.FinancialConnectionsSessionManifest.Pane.ATTACH_LINKED_PAYMENT_ACCOUNT | ||
| import com.stripe.android.financialconnections.navigation.pane | ||
|
|
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| private const val TransitionDurationMillis = 300 | ||
|
|
||
| private val FADE_IN_TRANSITION = fadeIn( | ||
| animationSpec = tween(TransitionDurationMillis) | ||
| ) | ||
|
|
||
| private val FADE_OUT_TRANSITION = fadeOut( | ||
| animationSpec = tween(TransitionDurationMillis) | ||
| ) | ||
|
|
||
| internal fun enterTransition(): AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition { | ||
| return { | ||
| if (initialState.skipTransition) { | ||
| FADE_IN_TRANSITION | ||
| } else { | ||
| FADE_IN_TRANSITION + slideInHorizontally( | ||
| animationSpec = tween(TransitionDurationMillis), | ||
| initialOffsetX = { fullWidth -> | ||
| fullWidth / 2 | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| internal fun resumeTransition(): AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition { | ||
| return { | ||
| if (initialState.skipTransition) { | ||
| FADE_IN_TRANSITION | ||
| } else { | ||
| FADE_IN_TRANSITION + slideInHorizontally( | ||
| animationSpec = tween(TransitionDurationMillis), | ||
| initialOffsetX = { fullWidth -> | ||
| -fullWidth / 2 | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| internal fun pauseTransition(): AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition { | ||
| return { | ||
| if (initialState.skipTransition) { | ||
| FADE_OUT_TRANSITION | ||
| } else { | ||
| FADE_OUT_TRANSITION + slideOutHorizontally( | ||
| animationSpec = tween(TransitionDurationMillis), | ||
| targetOffsetX = { fullWidth -> | ||
| -fullWidth / 2 | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| internal fun exitTransition(): AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition { | ||
| return { | ||
| if (initialState.skipTransition) { | ||
| FADE_OUT_TRANSITION | ||
| } else { | ||
| FADE_OUT_TRANSITION + slideOutHorizontally( | ||
| animationSpec = tween(TransitionDurationMillis), | ||
| targetOffsetX = { fullWidth -> | ||
| fullWidth / 2 | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * We want to skip the transition for some screens and use a simple fade instead. This currently only applies | ||
| * to transitions starting from the attach linked payment account screen, which only ever shows a loading indicator. | ||
| * We wouldn't want to show a slide transition from one loading indicator to another, therefore we use a fade. | ||
| */ | ||
| private val NavBackStackEntry.skipTransition: Boolean | ||
| get() = destination.pane == ATTACH_LINKED_PAYMENT_ACCOUNT |
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