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fenix/app/src/main/java/org/mozilla/fenix/home/HomeFragmentStore.kt

90 lines
3.3 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.home
import android.graphics.Bitmap
import mozilla.components.browser.session.Session
import mozilla.components.browser.session.SessionManager
import mozilla.components.feature.media.state.MediaState
import mozilla.components.feature.tab.collections.TabCollection
import mozilla.components.lib.state.Action
import mozilla.components.lib.state.State
import mozilla.components.lib.state.Store
/**
* The [Store] for holding the [HomeFragmentState] and applying [HomeFragmentAction]s.
*/
class HomeFragmentStore(
initialState: HomeFragmentState
) : Store<HomeFragmentState, HomeFragmentAction>(
initialState, ::homeFragmentStateReducer
)
data class Tab(
val sessionId: String,
val url: String,
val hostname: String,
val title: String,
val selected: Boolean? = null,
var mediaState: MediaState? = null,
val icon: Bitmap? = null
)
fun List<Tab>.toSessionBundle(sessionManager: SessionManager): List<Session> {
return this.mapNotNull { sessionManager.findSessionById(it.sessionId) }
}
/**
* The state for the [HomeFragment].
*
* @property collections The list of [TabCollection] to display in the [HomeFragment].
* @property expandedCollections A set containing the ids of the [TabCollection] that are expanded
* in the [HomeFragment].
* @property mode The state of the [HomeFragment] UI.
* @property tabs The list of opened [Tab] in the [HomeFragment].
*/
data class HomeFragmentState(
val collections: List<TabCollection>,
val expandedCollections: Set<Long>,
val mode: Mode,
val tabs: List<Tab>
) : State
sealed class HomeFragmentAction : Action {
data class Change(val tabs: List<Tab>, val mode: Mode, val collections: List<TabCollection>) :
HomeFragmentAction()
data class CollectionExpanded(val collection: TabCollection, val expand: Boolean) : HomeFragmentAction()
data class CollectionsChange(val collections: List<TabCollection>) : HomeFragmentAction()
data class ModeChange(val mode: Mode, val tabs: List<Tab> = emptyList()) : HomeFragmentAction()
data class TabsChange(val tabs: List<Tab>) : HomeFragmentAction()
}
private fun homeFragmentStateReducer(
state: HomeFragmentState,
action: HomeFragmentAction
): HomeFragmentState {
return when (action) {
is HomeFragmentAction.Change -> state.copy(
collections = action.collections,
mode = action.mode,
tabs = action.tabs
)
is HomeFragmentAction.CollectionExpanded -> {
val newExpandedCollection = state.expandedCollections.toMutableSet()
if (action.expand) {
newExpandedCollection.add(action.collection.id)
} else {
newExpandedCollection.remove(action.collection.id)
}
state.copy(expandedCollections = newExpandedCollection)
}
is HomeFragmentAction.CollectionsChange -> state.copy(collections = action.collections)
is HomeFragmentAction.ModeChange -> state.copy(mode = action.mode, tabs = action.tabs)
is HomeFragmentAction.TabsChange -> state.copy(tabs = action.tabs)
}
}