69 lines
2.8 KiB
Kotlin
69 lines
2.8 KiB
Kotlin
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/* 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.collections
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import mozilla.components.feature.tab.collections.TabCollection
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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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import org.mozilla.fenix.collections.CollectionCreationAction.StepChanged
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import org.mozilla.fenix.home.sessioncontrol.Tab
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class CollectionCreationStore(
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initialState: CollectionCreationState
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) : Store<CollectionCreationState, CollectionCreationAction>(
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initialState,
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::collectionCreationReducer
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)
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/**
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* Represents the current purpose of the screen. This determines what options are shown to the
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* user.
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*
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* TODO refactor [CollectionCreationState] into a sealed class with four implementations, each
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* replacing a [SaveCollectionStep] value. These will not need null / emptyCollection default
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* values. Handle changes bebtween these state changes internally, here and in the controller,
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* instead of exposing [StepChanged], which currently acts as a setter.
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*/
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enum class SaveCollectionStep {
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SelectTabs,
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SelectCollection,
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NameCollection,
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RenameCollection
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}
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data class CollectionCreationState(
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val previousFragmentId: Int,
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val tabs: List<Tab> = emptyList(),
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val selectedTabs: Set<Tab> = emptySet(),
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val saveCollectionStep: SaveCollectionStep = SaveCollectionStep.SelectTabs,
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val tabCollections: List<TabCollection> = emptyList(),
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val selectedTabCollection: TabCollection? = null
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) : State
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sealed class CollectionCreationAction : Action {
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object AddAllTabs : CollectionCreationAction()
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object RemoveAllTabs : CollectionCreationAction()
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data class TabAdded(val tab: Tab) : CollectionCreationAction()
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data class TabRemoved(val tab: Tab) : CollectionCreationAction()
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/**
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* Used as a setter for [SaveCollectionStep].
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*
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* This should be refactored, see kdoc on [SaveCollectionStep].
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*/
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data class StepChanged(val saveCollectionStep: SaveCollectionStep) : CollectionCreationAction()
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}
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private fun collectionCreationReducer(
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prevState: CollectionCreationState,
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action: CollectionCreationAction
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): CollectionCreationState = when (action) {
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is CollectionCreationAction.AddAllTabs -> prevState.copy(selectedTabs = prevState.tabs.toSet())
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is CollectionCreationAction.RemoveAllTabs -> prevState.copy(selectedTabs = emptySet())
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is CollectionCreationAction.TabAdded -> prevState.copy(selectedTabs = prevState.selectedTabs + action.tab)
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is CollectionCreationAction.TabRemoved -> prevState.copy(selectedTabs = prevState.selectedTabs - action.tab)
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is CollectionCreationAction.StepChanged -> prevState.copy(saveCollectionStep = action.saveCollectionStep)
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}
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