82 lines
2.7 KiB
Kotlin
82 lines
2.7 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.library.bookmarks
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import io.reactivex.Observable
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import org.mozilla.fenix.mvi.Action
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import org.mozilla.fenix.mvi.ActionBusFactory
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import org.mozilla.fenix.mvi.Change
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import org.mozilla.fenix.mvi.Reducer
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import org.mozilla.fenix.mvi.UIComponent
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import org.mozilla.fenix.mvi.UIComponentViewModel
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import org.mozilla.fenix.mvi.UIView
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import org.mozilla.fenix.mvi.ViewState
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class SignInComponent(
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private val container: ViewGroup,
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owner: Fragment,
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bus: ActionBusFactory,
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override var initialState: SignInState =
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SignInState(false)
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) : UIComponent<SignInState, SignInAction, SignInChange>(
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owner,
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bus.getManagedEmitter(SignInAction::class.java),
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bus.getSafeManagedObservable(SignInChange::class.java)
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) {
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override fun initView(): UIView<SignInState, SignInAction, SignInChange> =
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SignInUIView(container, actionEmitter, changesObservable)
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override fun render(): Observable<SignInState> =
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ViewModelProvider(
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owner,
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SignInViewModel.Factory(initialState, changesObservable)
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).get(SignInViewModel::class.java).render(uiView)
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init {
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render()
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}
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}
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data class SignInState(val signedIn: Boolean) : ViewState
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sealed class SignInAction : Action {
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object ClickedSignIn : SignInAction()
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}
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sealed class SignInChange : Change {
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object SignedIn : SignInChange()
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object SignedOut : SignInChange()
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}
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class SignInViewModel(initialState: SignInState, changesObservable: Observable<SignInChange>) :
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UIComponentViewModel<SignInState, SignInAction, SignInChange>(
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initialState, changesObservable, reducer
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) {
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class Factory(
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private val initialState: SignInState,
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private val changesObservable: Observable<SignInChange>
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) : ViewModelProvider.Factory {
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@Suppress("UNCHECKED_CAST")
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override fun <T : ViewModel?> create(modelClass: Class<T>): T =
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SignInViewModel(initialState, changesObservable) as T
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}
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companion object {
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val reducer = object : Reducer<SignInState, SignInChange> {
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override fun invoke(state: SignInState, change: SignInChange): SignInState {
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return when (change) {
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SignInChange.SignedIn -> state.copy(signedIn = true)
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SignInChange.SignedOut -> state.copy(signedIn = false)
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}
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}
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}
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}
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}
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