1 files changed, 59 insertions, 0 deletions
diff --git a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/home/bookmarks/BookmarksFeature.kt b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/home/bookmarks/BookmarksFeature.kt
new file mode 100644
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--- /dev/null
+++ b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/home/bookmarks/BookmarksFeature.kt
@@ -0,0 +1,59 @@
+/* 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.bookmarks
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import mozilla.components.concept.storage.BookmarkNode
+import mozilla.components.support.base.feature.LifecycleAwareFeature
+import org.mozilla.fenix.components.AppStore
+import org.mozilla.fenix.components.appstate.AppAction
+import org.mozilla.fenix.components.bookmarks.BookmarksUseCase
+import org.mozilla.fenix.home.HomeFragment
+
+/**
+ * View-bound feature that retrieves a list of [BookmarkNode]s and dispatches
+ * updates to the [AppStore].
+ *
+ * @param appStore the [AppStore] that holds the state of the [HomeFragment].
+ * @param bookmarksUseCase the [BookmarksUseCase] for retrieving the list of bookmarks from storage.
+ * @param scope the [CoroutineScope] used to fetch the bookmarks list
+ * @param ioDispatcher the [CoroutineDispatcher] for performing read/write operations.
+ */
+class BookmarksFeature(
+    private val appStore: AppStore,
+    private val bookmarksUseCase: BookmarksUseCase,
+    private val scope: CoroutineScope,
+    private val ioDispatcher: CoroutineDispatcher = Dispatchers.IO,
+) : LifecycleAwareFeature {
+    private var job: Job? = null
+
+    override fun start() {
+        job = scope.launch(ioDispatcher) {
+            val bookmarks = bookmarksUseCase.retrieveRecentBookmarks()
+            appStore.dispatch(AppAction.BookmarksChange(bookmarks))
+        }
+    }
+
+    override fun stop() {
+        job?.cancel()
+    }
+}
+
+/**
+ * The simple metadata of a bookmark.
+ *
+ * @property title The title of the bookmark.
+ * @property url The url of the bookmark.
+ * @property previewImageUrl A preview image of the page (a.k.a. the hero image), if available.
+ */
+data class Bookmark(
+    val title: String? = null,
+    val url: String? = null,
+    val previewImageUrl: String? = null,
+)