Closes #25942: use HistoryFragment to show synced history

app/src/main/java/org/mozilla/fenix/library/history/HistoryAdapter.kt

@@ -16,6 +16,7 @@ import org.mozilla.fenix.library.history.viewholders.HistoryListItemViewHolder
  */
 class HistoryAdapter(
     private val historyInteractor: HistoryInteractor,
+    private val isSyncedHistory: Boolean,
     private val onEmptyStateChanged: (Boolean) -> Unit,
 ) : PagingDataAdapter<History, HistoryListItemViewHolder>(historyDiffCallback),
     SelectionHolder<History> {
@@ -116,12 +117,12 @@ class HistoryAdapter(
         }
 
         holder.bind(
-            current,
-            timeGroup,
-            position == 0,
-            mode,
-            isPendingDeletion,
-            groupPendingDeletionCount
+            item = current,
+            timeGroup = timeGroup,
+            showTopContent = !isSyncedHistory && position == 0,
+            mode = mode,
+            isPendingDeletion = isPendingDeletion,
+            groupPendingDeletionCount = groupPendingDeletionCount,
         )
     }
 

app/src/main/java/org/mozilla/fenix/library/history/HistoryController.kt

@@ -22,7 +22,6 @@ import org.mozilla.fenix.components.AppStore
 import org.mozilla.fenix.components.appstate.AppAction
 import org.mozilla.fenix.components.history.DefaultPagedHistoryProvider
 import org.mozilla.fenix.ext.components
-import org.mozilla.fenix.ext.navigateSafe
 import org.mozilla.fenix.library.history.HistoryFragment.DeleteConfirmationDialogFragment
 import org.mozilla.fenix.utils.Settings
 import org.mozilla.fenix.GleanMetrics.History as GleanHistory
@@ -52,7 +51,7 @@ interface HistoryController {
     fun handleEnterRecentlyClosed()
 
     /**
-     * Navigates to [org.mozilla.fenix.library.syncedhistory.SyncedHistoryFragment]
+     * Navigates to [HistoryFragment] that would display history synced from other devices.
      */
     fun handleEnterSyncedHistory()
 }
@@ -128,7 +127,7 @@ class DefaultHistoryController(
             HistoryFragmentDirections.actionGlobalHistorySearchDialog()
         }
 
-        navController.navigateSafe(R.id.historyFragment, directions)
+        navController.navigate(directions)
     }
 
     override fun handleDeleteTimeRange() {
@@ -218,8 +217,6 @@ class DefaultHistoryController(
     }
 
     override fun handleEnterSyncedHistory() {
-        navController.navigate(
-            HistoryFragmentDirections.actionHistoryFragmentToSyncedHistoryFragment()
-        )
+        navController.navigate(HistoryFragmentDirections.actionSyncedHistoryFragment())
     }
 }

app/src/main/java/org/mozilla/fenix/library/history/HistoryFragment.kt

@@ -21,13 +21,14 @@ import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.NavDirections
 import androidx.navigation.fragment.findNavController
+import androidx.navigation.fragment.navArgs
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
 import androidx.paging.PagingData
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.mapNotNull
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.launch
 import mozilla.components.concept.engine.prompt.ShareData
 import mozilla.components.lib.state.ext.consumeFrom
@@ -68,10 +69,11 @@ class HistoryFragment : LibraryPageFragment<History>(), UserInteractionHandler {
     ) {
         HistoryDataSource(
             historyProvider = historyProvider,
-            isRemote = if (FeatureFlags.showSyncedHistory) false else null
+            isRemote = if (FeatureFlags.showSyncedHistory) args.isSyncedHistory else null,
         )
     }.flow
 
+    private val args: HistoryFragmentArgs by navArgs()
     private var _historyView: HistoryView? = null
     private val historyView: HistoryView
         get() = _historyView!!
@@ -127,7 +129,8 @@ class HistoryFragment : LibraryPageFragment<History>(), UserInteractionHandler {
                 historyStore.dispatch(
                     HistoryFragmentAction.ChangeEmptyState(it)
                 )
-            }
+            },
+            isSyncedHistory = args.isSyncedHistory,
         )
 
         return view

app/src/main/java/org/mozilla/fenix/library/history/HistoryView.kt

@@ -26,7 +26,8 @@ class HistoryView(
     container: ViewGroup,
     val interactor: HistoryInteractor,
     val onZeroItemsLoaded: () -> Unit,
-    val onEmptyStateChanged: (Boolean) -> Unit
+    val onEmptyStateChanged: (Boolean) -> Unit,
+    val isSyncedHistory: Boolean,
 ) : LibraryPageView(container), UserInteractionHandler {
 
     val binding = ComponentHistoryBinding.inflate(
@@ -36,9 +37,13 @@ class HistoryView(
     var mode: HistoryFragmentState.Mode = HistoryFragmentState.Mode.Normal
         private set
 
-    val historyAdapter = HistoryAdapter(interactor) { isEmpty ->
-        onEmptyStateChanged(isEmpty)
-    }.apply {
+    val historyAdapter = HistoryAdapter(
+        historyInteractor = interactor,
+        isSyncedHistory = isSyncedHistory,
+        onEmptyStateChanged = { isEmpty ->
+            onEmptyStateChanged(isEmpty)
+        },
+    ).apply {
         addLoadStateListener {
             // First call will always have itemCount == 0, but we want to keep adapterItemCount
             // as null until we can distinguish an empty list from populated, so updateEmptyState()
@@ -97,9 +102,12 @@ class HistoryView(
 
         when (val mode = state.mode) {
             is HistoryFragmentState.Mode.Normal -> {
-                setUiForNormalMode(
+                val title = if (isSyncedHistory) {
+                    context.getString(R.string.history_from_other_devices)
+                } else {
                     context.getString(R.string.library_history)
-                )
+                }
+                setUiForNormalMode(title = title)
             }
             is HistoryFragmentState.Mode.Editing -> {
                 setUiForSelectingMode(
@@ -115,7 +123,7 @@ class HistoryView(
     private fun updateEmptyState(userHasHistory: Boolean) {
         binding.historyList.isInvisible = !userHasHistory
         binding.historyEmptyView.isVisible = !userHasHistory
-        binding.topSpacer.isVisible = !userHasHistory
+        binding.topSpacer.isVisible = !isSyncedHistory && !userHasHistory
 
         with(binding.recentlyClosedNavEmpty) {
             recentlyClosedNav.setOnClickListener {
@@ -132,14 +140,15 @@ class HistoryView(
                 ),
                 numRecentTabs
             )
-            recentlyClosedNav.isVisible = !userHasHistory
+            recentlyClosedNav.isVisible = !isSyncedHistory && !userHasHistory
         }
 
         with(binding.syncedHistoryNavEmpty) {
             syncedHistoryNav.setOnClickListener {
                 interactor.onSyncedHistoryClicked()
             }
-            syncedHistoryNav.isVisible = FeatureFlags.showSyncedHistory && !userHasHistory
+            syncedHistoryNav.isVisible =
+                !isSyncedHistory && FeatureFlags.showSyncedHistory && !userHasHistory
         }
 
         if (!userHasHistory) {

app/src/main/java/org/mozilla/fenix/library/syncedhistory/SyncedHistoryFragment.kt

@@ -1,22 +0,0 @@
-/* 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.library.syncedhistory
-
-import mozilla.components.support.base.feature.UserInteractionHandler
-import org.mozilla.fenix.library.LibraryPageFragment
-import org.mozilla.fenix.library.history.History
-
-/**
- * A screen displaying history items that were opened on other devices, not local.
- */
-class SyncedHistoryFragment : LibraryPageFragment<History>(), UserInteractionHandler {
-
-    override fun onBackPressed(): Boolean {
-        return false
-    }
-
-    override val selectedItems: Set<History>
-        get() = setOf()
-}

app/src/main/res/layout/fragment_synced_history.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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/. -->
-
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/historyLayout"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context="org.mozilla.fenix.library.syncedhistory.SyncedHistoryFragment" />

app/src/main/res/layout/history_list_item.xml

@@ -4,7 +4,6 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:importantForAccessibility="no"
@@ -27,7 +26,7 @@
     <View
         android:id="@+id/bottom_spacer"
         android:layout_width="match_parent"
-        android:layout_height="32dp"
+        android:layout_height="8dp"
         android:visibility="gone"/>
 
     <TextView
@@ -36,6 +35,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="8dp"
+        android:layout_marginTop="24dp"
         android:layout_marginStart="16dp"
         android:layout_marginEnd="0dp"
         android:textColor="?attr/textPrimary"

app/src/main/res/navigation/nav_graph.xml

@@ -85,7 +85,11 @@
     <action
         android:id="@+id/action_global_historyFragment"
         app:destination="@id/historyFragment" />
-
+    <action
+        android:id="@+id/action_global_history_search_dialog"
+        app:destination="@id/historySearchDialogFragment"
+        app:popUpTo="@id/historySearchDialogFragment"
+        app:popUpToInclusive="true" />
     <action
         android:id="@+id/action_global_downloadsFragment"
         app:destination="@id/downloadsFragment" />
@@ -271,14 +275,27 @@
         android:label="@string/library_history"
         tools:layout="@layout/fragment_history">
 
+        <argument
+            android:name="isSyncedHistory"
+            android:defaultValue="false"
+            app:argType="boolean" />
         <action
-            android:id="@+id/action_global_history_search_dialog"
-            app:destination="@id/historySearchDialogFragment"
-            app:popUpTo="@id/historySearchDialogFragment"
-            app:popUpToInclusive="true" />
+            android:id="@+id/action_synced_historyFragment"
+            app:destination="@id/syncedHistoryFragment" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/syncedHistoryFragment"
+        android:name="org.mozilla.fenix.library.history.HistoryFragment"
+        android:label="@string/history_from_other_devices"
+        tools:layout="@layout/fragment_history">
 
+        <argument
+            android:name="isSyncedHistory"
+            android:defaultValue="true"
+            app:argType="boolean" />
         <action
-            android:id="@+id/action_historyFragment_to_syncedHistoryFragment"
+            android:id="@+id/action_synced_historyFragment"
             app:destination="@id/syncedHistoryFragment" />
     </fragment>
 
@@ -299,13 +316,6 @@
             app:argType="org.mozilla.fenix.library.history.History[]" />
     </fragment>
 
-    <fragment
-        android:id="@+id/syncedHistoryFragment"
-        android:name="org.mozilla.fenix.library.syncedhistory.SyncedHistoryFragment"
-        android:label="@string/history_from_other_devices"
-        tools:layout="@layout/fragment_synced_history">
-    </fragment>
-
     <fragment
         android:id="@+id/downloadsFragment"
         android:name="org.mozilla.fenix.library.downloads.DownloadFragment"

app/src/test/java/org/mozilla/fenix/library/history/HistoryControllerTest.kt

@@ -25,10 +25,9 @@ import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.mozilla.fenix.R
+import org.mozilla.fenix.NavGraphDirections
 import org.mozilla.fenix.components.AppStore
 import org.mozilla.fenix.components.history.DefaultPagedHistoryProvider
-import org.mozilla.fenix.ext.navigateSafe
 import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
 import org.mozilla.fenix.utils.Settings
 
@@ -144,9 +143,8 @@ class HistoryControllerTest {
 
         controller.handleSearch()
         verify {
-            navController.navigateSafe(
-                R.id.historyFragment,
-                HistoryFragmentDirections.actionGlobalHistorySearchDialog()
+            navController.navigate(
+                NavGraphDirections.actionGlobalHistorySearchDialog()
             )
         }
     }