feat(card-browser): add a chip to select sort order

Part of 18709

Author: david-allison

AnkiDroid/src/main/java/com/ichi2/anki/browser/CardBrowserFragment.kt

@@ -206,6 +206,7 @@ class CardBrowserFragment :
     private val useNewTaggingLogic get() = tagsChip != null
     private var cardStateChip: Chip? = null
     private var flagsChip: Chip? = null
+    private var sortChip: Chip? = null
 
     // region legacy menu handling
     var mySearchesItem: MenuItem? = null
@@ -302,6 +303,10 @@ class CardBrowserFragment :
                     }
                 }
             }
+        sortChip =
+            view.findViewById<Chip>(R.id.sort_chip)?.apply {
+                setOnClickListener { changeDisplayOrder() }
+            }
         searchBar =
             view.findViewById<SearchBar>(R.id.search_bar)?.apply {
                 setNavigationOnClickListener {
@@ -756,6 +761,8 @@ class CardBrowserFragment :
             menu.findItem(R.id.action_show_marked)?.isVisible = false
             menu.findItem(R.id.action_show_suspended)?.isVisible = false
             menu.findItem(R.id.action_search_by_flag)?.isVisible = false
+            menu.findItem(R.id.action_show_suspended)?.isVisible = false
+            menu.findItem(R.id.action_sort_by_size)?.isVisible = false
         }
     }
 
@@ -969,6 +976,11 @@ class CardBrowserFragment :
             searchViewModel.syncState(search)
         }
 
+        fun reverseDirectionChanged(direction: ReverseDirection) {
+            sortChip?.scaleY = if (!direction.orderAsc) 1.0f else -1.0f
+        }
+
+        activityViewModel.reverseDirectionFlow.launchCollectionInLifecycleScope(::reverseDirectionChanged)
         activityViewModel.flowOfIsTruncated.launchCollectionInLifecycleScope(::onIsTruncatedChanged)
         activityViewModel.flowOfSelectedRows.launchCollectionInLifecycleScope(::onSelectedRowsChanged)
         activityViewModel.flowOfActiveColumns.launchCollectionInLifecycleScope(::onColumnsChanged)

AnkiDroid/src/main/java/com/ichi2/anki/browser/CardBrowserViewModel.kt

@@ -199,7 +199,7 @@ class CardBrowserViewModel(
     private val sortTypeFlow = MutableStateFlow(SortType.NO_SORTING)
     val order get() = sortTypeFlow.value
 
-    private val reverseDirectionFlow = MutableStateFlow(ReverseDirection(orderAsc = false))
+    val reverseDirectionFlow = MutableStateFlow(ReverseDirection(orderAsc = false))
     val orderAsc get() = reverseDirectionFlow.value.orderAsc
 
     /**

AnkiDroid/src/main/res/drawable/ic_sort_24.xml

@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:autoMirrored="true" android:height="24dp" android:tint="?attr/colorControlNormal" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+    
+</vector>

AnkiDroid/src/main/res/layout/card_browser_searchview_fragment.xml

@@ -73,6 +73,15 @@
             <com.google.android.material.chip.ChipGroup
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content">
+
+                <com.google.android.material.chip.Chip
+                    android:id="@+id/sort_chip"
+                    android:layout_width="36dp"
+                    android:layout_height="wrap_content"
+                    app:chipStartPadding="8dp"
+                    app:chipIconSize="22dp"
+                    app:chipIcon="@drawable/ic_sort_24" />
+
                 <com.google.android.material.chip.Chip
                     android:id="@+id/decks_chip"
                     android:layout_width="wrap_content"

AnkiDroid/src/test/java/com/ichi2/anki/CardBrowserTest.kt

@@ -1591,7 +1591,7 @@ class CardBrowserTest : RobolectricTest() {
                     R.id.action_search to false,
                     R.id.action_save_search to false,
                     R.id.action_list_my_searches to false,
-                    R.id.action_sort_by_size to true,
+                    R.id.action_sort_by_size to false,
                     R.id.action_show_marked to false,
                     R.id.action_show_suspended to false,
                     R.id.action_search_by_tag to false,