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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.home.recentbookmarks
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import kotlinx.coroutines.CoroutineDispatcher
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.launch
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import mozilla.components.concept.storage.BookmarkNode
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import mozilla.components.support.base.feature.LifecycleAwareFeature
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import org.mozilla.fenix.components.AppStore
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import org.mozilla.fenix.components.appstate.AppAction
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import org.mozilla.fenix.components.bookmarks.BookmarksUseCase
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import org.mozilla.fenix.home.HomeFragment
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/**
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* View-bound feature that retrieves a list of recently added [BookmarkNode]s and dispatches
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* updates to the [AppStore].
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*
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* @property appStore the [AppStore] that holds the state of the [HomeFragment].
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* @property bookmarksUseCase the [BookmarksUseCase] for retrieving the list of recently saved
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* bookmarks from storage.
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* @property scope the [CoroutineScope] used to fetch the bookmarks list
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* @property ioDispatcher the [CoroutineDispatcher] for performing read/write operations.
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*/
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class RecentBookmarksFeature(
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private val appStore: AppStore,
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private val bookmarksUseCase: BookmarksUseCase,
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private val scope: CoroutineScope,
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private val ioDispatcher: CoroutineDispatcher = Dispatchers.IO,
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) : LifecycleAwareFeature {
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private var job: Job? = null
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override fun start() {
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job = scope.launch(ioDispatcher) {
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val bookmarks = bookmarksUseCase.retrieveRecentBookmarks()
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appStore.dispatch(AppAction.RecentBookmarksChange(bookmarks))
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}
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}
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override fun stop() {
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job?.cancel()
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}
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}
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/**
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* A bookmark that was recently added.
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*
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* @property title The title of the bookmark.
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* @property url The url of the bookmark.
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* @property previewImageUrl A preview image of the page (a.k.a. the hero image), if available.
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*/
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data class RecentBookmark(
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val title: String? = null,
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val url: String? = null,
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val previewImageUrl: String? = null,
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)
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