34 lines
1.0 KiB
Kotlin
34 lines
1.0 KiB
Kotlin
package cash.z.ecc.ui.screen.onboarding.state
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import cash.z.ecc.ui.screen.onboarding.model.OnboardingStage
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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/**
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* @param initialState Allows restoring the state from a different starting point. This is
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* primarily useful on Android, for automated tests, and for iterative debugging with the Compose
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* layout preview. The default constructor argument is generally fine for other platforms.
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*/
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class OnboardingState(initialState: OnboardingStage = OnboardingStage.values().first()) {
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private val mutableState = MutableStateFlow(initialState)
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val current: StateFlow<OnboardingStage> = mutableState
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fun hasNext() = current.value.hasNext()
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fun hasPrevious() = current.value.hasPrevious()
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fun goNext() {
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mutableState.value = current.value.getNext()
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}
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fun goPrevious() {
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mutableState.value = current.value.getPrevious()
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}
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fun goToEnd() {
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mutableState.value = OnboardingStage.values().last()
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}
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}
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