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61 lines
2.2 KiB
Kotlin
61 lines
2.2 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.recentlyclosed
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import mozilla.components.browser.state.state.recover.TabState
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import mozilla.components.lib.state.Action
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import mozilla.components.lib.state.State
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import mozilla.components.lib.state.Store
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/**
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* The [Store] for holding the [RecentlyClosedFragmentState] and applying [RecentlyClosedFragmentAction]s.
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*/
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class RecentlyClosedFragmentStore(initialState: RecentlyClosedFragmentState) :
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Store<RecentlyClosedFragmentState, RecentlyClosedFragmentAction>(
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initialState,
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::recentlyClosedStateReducer,
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)
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/**
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* Actions to dispatch through the `RecentlyClosedFragmentStore` to modify
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* `RecentlyClosedFragmentState` through the reducer.
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*/
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sealed class RecentlyClosedFragmentAction : Action {
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data class Change(val list: List<TabState>) : RecentlyClosedFragmentAction()
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data class Select(val tab: TabState) : RecentlyClosedFragmentAction()
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data class Deselect(val tab: TabState) : RecentlyClosedFragmentAction()
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object DeselectAll : RecentlyClosedFragmentAction()
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}
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/**
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* The state for the Recently Closed Screen.
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*
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* @property items List of recently closed tabs to display.
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* @property selectedTabs List of selected recently closed tabs.
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*/
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data class RecentlyClosedFragmentState(
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val items: List<TabState> = emptyList(),
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val selectedTabs: Set<TabState>,
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) : State
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/**
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* The RecentlyClosedFragmentState Reducer.
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*/
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private fun recentlyClosedStateReducer(
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state: RecentlyClosedFragmentState,
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action: RecentlyClosedFragmentAction,
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): RecentlyClosedFragmentState {
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return when (action) {
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is RecentlyClosedFragmentAction.Change -> state.copy(items = action.list)
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is RecentlyClosedFragmentAction.Select -> {
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state.copy(selectedTabs = state.selectedTabs + action.tab)
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}
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is RecentlyClosedFragmentAction.Deselect -> {
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state.copy(selectedTabs = state.selectedTabs - action.tab)
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}
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RecentlyClosedFragmentAction.DeselectAll -> state.copy(selectedTabs = emptySet())
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}
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}
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