force menu invalidation when expanding actionView from user interaction to properly layout menu items (#2503)

app/src/main/java/eu/kanade/tachiyomi/ui/base/controller/BaseController.kt

@@ -85,10 +85,11 @@ abstract class BaseController(bundle: Bundle? = null) : RestoreViewOnCreateContr
     }
 
     /**
-     * Workaround for disappearing menu items when collapsing an expandable item like a SearchView.
+     * Workaround for buggy menu item layout after expanding/collapsing an expandable item like a SearchView.
      * This method should be removed when fixed upstream.
      * Issue link: https://issuetracker.google.com/issues/37657375
      */
+    var expandActionViewFromInteraction = false
     fun MenuItem.fixExpand(onExpand: ((MenuItem) -> Boolean)? = null, onCollapse: ((MenuItem) -> Boolean)? = null) {
         setOnActionExpandListener(object : MenuItem.OnActionExpandListener {
             override fun onMenuItemActionExpand(item: MenuItem): Boolean {
@@ -101,6 +102,25 @@ abstract class BaseController(bundle: Bundle? = null) : RestoreViewOnCreateContr
                 return onCollapse?.invoke(item) ?: true
             }
         })
+
+        if (expandActionViewFromInteraction) {
+            expandActionViewFromInteraction = false
+            expandActionView()
+        }
+    }
+
+    /**
+     * Workaround for menu items not disappearing when expanding an expandable item like a SearchView.
+     * [expandActionViewFromInteraction] should be set to true in [onOptionsItemSelected] when the expandable item is selected
+     * This method should be called as part of [MenuItem.OnActionExpandListener.onMenuItemActionExpand]
+     */
+    fun invalidateMenuOnExpand(): Boolean {
+        return if (expandActionViewFromInteraction) {
+            activity?.invalidateOptionsMenu()
+            false
+        } else {
+            true
+        }
     }
 
 }

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/browse/BrowseCatalogueController.kt

@@ -215,37 +215,39 @@ open class BrowseCatalogueController(bundle: Bundle) :
         inflater.inflate(R.menu.catalogue_list, menu)
 
         // Initialize search menu
-        menu.findItem(R.id.action_search).apply {
+        val searchItem = menu.findItem(R.id.action_search)
-            val searchView = actionView as SearchView
+        val searchView = searchItem.actionView as SearchView
 
-            val query = presenter.query
+        val query = presenter.query
-            if (!query.isBlank()) {
+        if (!query.isBlank()) {
-                expandActionView()
+            searchItem.expandActionView()
-                searchView.setQuery(query, true)
+            searchView.setQuery(query, true)
-                searchView.clearFocus()
+            searchView.clearFocus()
-            }
-
-            val searchEventsObservable = searchView.queryTextChangeEvents()
-                    .skip(1)
-                    .filter { router.backstack.lastOrNull()?.controller() == this@BrowseCatalogueController }
-                    .share()
-            val writingObservable = searchEventsObservable
-                    .filter { !it.isSubmitted }
-                    .debounce(1250, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-            val submitObservable = searchEventsObservable
-                    .filter { it.isSubmitted }
-
-            searchViewSubscription?.unsubscribe()
-            searchViewSubscription = Observable.merge(writingObservable, submitObservable)
-                    .map { it.queryText().toString() }
-                    .subscribeUntilDestroy { searchWithQuery(it) }
-
-            fixExpand(onCollapse = {
-                searchWithQuery("")
-                true
-            })
         }
 
+        val searchEventsObservable = searchView.queryTextChangeEvents()
+                .skip(1)
+                .filter { router.backstack.lastOrNull()?.controller() == this@BrowseCatalogueController }
+                .share()
+        val writingObservable = searchEventsObservable
+                .filter { !it.isSubmitted }
+                .debounce(1250, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+        val submitObservable = searchEventsObservable
+                .filter { it.isSubmitted }
+
+        searchViewSubscription?.unsubscribe()
+        searchViewSubscription = Observable.merge(writingObservable, submitObservable)
+                .map { it.queryText().toString() }
+                .subscribeUntilDestroy { searchWithQuery(it) }
+
+        searchItem.fixExpand(
+                onExpand = { invalidateMenuOnExpand() },
+                onCollapse = {
+                    searchWithQuery("")
+                    true
+                }
+        )
+
         // Setup filters button
         menu.findItem(R.id.action_set_filter).apply {
             icon.mutate()
@@ -278,6 +280,7 @@ open class BrowseCatalogueController(bundle: Bundle) :
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
+            R.id.action_search -> expandActionViewFromInteraction = true
             R.id.action_display_mode -> swapDisplayMode()
             R.id.action_set_filter -> navView?.let { activity?.drawer?.openDrawer(GravityCompat.END) }
             R.id.action_open_in_browser -> openInBrowser()

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionController.kt

@@ -80,6 +80,7 @@ open class ExtensionController : NucleusController<ExtensionPresenter>(),
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
+            R.id.action_search -> expandActionViewFromInteraction = true
             R.id.action_settings -> {
                 router.pushController((RouterTransaction.with(ExtensionFilterController()))
                         .popChangeHandler(SettingsExtensionsFadeChangeHandler())
@@ -137,7 +138,7 @@ open class ExtensionController : NucleusController<ExtensionPresenter>(),
             }
 
         // Fixes problem with the overflow icon showing up in lieu of search
-        searchItem.fixExpand()
+        searchItem.fixExpand(onExpand = { invalidateMenuOnExpand() })
     }
 
     override fun onItemClick(view: View, position: Int): Boolean {

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt

@@ -321,7 +321,7 @@ class LibraryController(
         val searchItem = menu.findItem(R.id.action_search)
         val searchView = searchItem.actionView as SearchView
 
-        if (!query.isEmpty()) {
+        if (query.isNotEmpty()) {
             searchItem.expandActionView()
             searchView.setQuery(query, true)
             searchView.clearFocus()
@@ -339,7 +339,7 @@ class LibraryController(
                     searchRelay.call(query)
                 }
 
-        searchItem.fixExpand()
+        searchItem.fixExpand(onExpand = { invalidateMenuOnExpand() })
     }
 
     override fun onPrepareOptionsMenu(menu: Menu) {
@@ -354,6 +354,7 @@ class LibraryController(
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
+            R.id.action_search -> expandActionViewFromInteraction = true
             R.id.action_filter -> {
                 navView?.let { activity?.drawer?.openDrawer(GravityCompat.END) }
             }