For #16351 - Make homescreen interactive when search dialog is up

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -698,6 +698,20 @@ class HomeFragment : Fragment() {
     }
 
     private fun navigateToSearch() {
+        // Dismisses the search dialog when the home content is scrolled
+        val recyclerView = sessionControlView!!.view
+        val listener = object : RecyclerView.OnScrollListener() {
+            override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+                super.onScrollStateChanged(recyclerView, newState)
+                if (newState == RecyclerView.SCROLL_STATE_DRAGGING || newState == RecyclerView.SCROLL_STATE_SETTLING) {
+                    findNavController().navigateUp()
+                    recyclerView.removeOnScrollListener(this)
+                }
+            }
+        }
+
+        recyclerView.addOnScrollListener(listener)
+
         val directions =
             HomeFragmentDirections.actionGlobalSearchDialog(
                 sessionId = null

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlController.kt

@@ -34,7 +34,6 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.metrics
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.sessionsOfType
-import org.mozilla.fenix.ext.settings
 import org.mozilla.fenix.home.HomeFragment
 import org.mozilla.fenix.home.HomeFragmentAction
 import org.mozilla.fenix.home.HomeFragmentDirections
@@ -158,6 +157,11 @@ interface SessionControlController {
      * @see [CollectionInteractor.onRemoveCollectionsPlaceholder]
      */
     fun handleRemoveCollectionsPlaceholder()
+
+    /**
+     * @see [CollectionInteractor.onCollectionMenuOpened] and [TopSiteInteractor.onTopSiteMenuOpened]
+     */
+    fun handleMenuOpened()
 }
 
 @Suppress("TooManyFunctions", "LargeClass")
@@ -193,7 +197,12 @@ class DefaultSessionControlController(
         )
     }
 
+    override fun handleMenuOpened() {
+        dismissSearchDialogIfDisplayed()
+    }
+
     override fun handleCollectionOpenTabClicked(tab: ComponentTab) {
+        dismissSearchDialogIfDisplayed()
         sessionManager.restore(
             activity,
             engine,
@@ -256,6 +265,7 @@ class DefaultSessionControlController(
     }
 
     override fun handleCollectionShareTabsClicked(collection: TabCollection) {
+        dismissSearchDialogIfDisplayed()
         showShareFragment(
             collection.title,
             collection.tabs.map { ShareData(url = it.url, title = it.title) }
@@ -282,6 +292,7 @@ class DefaultSessionControlController(
     }
 
     override fun handlePrivateBrowsingLearnMoreClicked() {
+        dismissSearchDialogIfDisplayed()
         activity.openToBrowserAndLoad(
             searchTermOrURL = SupportUtils.getGenericSumoURLForTopic
                 (SupportUtils.SumoTopic.PRIVATE_BROWSING_MYTHS),
@@ -293,9 +304,9 @@ class DefaultSessionControlController(
     override fun handleRenameTopSiteClicked(topSite: TopSite) {
         activity.let {
             val customLayout =
-                    LayoutInflater.from(it).inflate(R.layout.top_sites_rename_dialog, null)
+                LayoutInflater.from(it).inflate(R.layout.top_sites_rename_dialog, null)
             val topSiteLabelEditText: EditText =
-                    customLayout.findViewById(R.id.top_site_title)
+                customLayout.findViewById(R.id.top_site_title)
             topSiteLabelEditText.setText(topSite.title)
 
             AlertDialog.Builder(it).apply {
@@ -344,6 +355,7 @@ class DefaultSessionControlController(
     }
 
     override fun handleSelectTopSite(url: String, type: TopSite.Type) {
+        dismissSearchDialogIfDisplayed()
         metrics.track(Event.TopSiteOpenInNewTab)
         when (type) {
             TopSite.Type.DEFAULT -> metrics.track(Event.TopSiteOpenDefault)
@@ -362,6 +374,12 @@ class DefaultSessionControlController(
         activity.openToBrowser(BrowserDirection.FromHome)
     }
 
+    private fun dismissSearchDialogIfDisplayed() {
+        if (navController.currentDestination?.id == R.id.searchDialogFragment) {
+            navController.navigateUp()
+        }
+    }
+
     override fun handleStartBrowsingClicked() {
         hideOnboarding()
     }

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlInteractor.kt

@@ -23,6 +23,7 @@ interface TabSessionInteractor {
 /**
  * Interface for collection related actions in the [SessionControlInteractor].
  */
+@SuppressWarnings("TooManyFunctions")
 interface CollectionInteractor {
     /**
      * Shows the Collection Creation fragment for selecting the tabs to add to the given tab
@@ -98,6 +99,11 @@ interface CollectionInteractor {
      * User has removed the collections placeholder from home.
      */
     fun onRemoveCollectionsPlaceholder()
+
+    /**
+     * User has opened collection 3 dot menu.
+     */
+    fun onCollectionMenuOpened()
 }
 
 interface ToolbarInteractor {
@@ -177,6 +183,11 @@ interface TopSiteInteractor {
      * @param type The type of the top site.
      */
     fun onSelectTopSite(url: String, type: TopSite.Type)
+
+    /**
+     * Called when top site menu is opened.
+     */
+    fun onTopSiteMenuOpened()
 }
 
 /**
@@ -276,4 +287,12 @@ class SessionControlInteractor(
     override fun onRemoveCollectionsPlaceholder() {
         controller.handleRemoveCollectionsPlaceholder()
     }
+
+    override fun onCollectionMenuOpened() {
+        controller.handleMenuOpened()
+    }
+
+    override fun onTopSiteMenuOpened() {
+        controller.handleMenuOpened()
+    }
 }

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/CollectionViewHolder.kt

@@ -47,6 +47,7 @@ class CollectionViewHolder(
         }
 
         collection_overflow_button.setOnClickListener {
+            interactor.onCollectionMenuOpened()
             collectionMenu.menuBuilder
                 .build(view.context)
                 .show(anchor = it)

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/topsites/TopSiteItemViewHolder.kt

@@ -36,6 +36,7 @@ class TopSiteItemViewHolder(
         }
 
         top_site_item.setOnLongClickListener {
+            interactor.onTopSiteMenuOpened()
             it.context.components.analytics.metrics.track(Event.TopSiteLongPress(topSite.type))
 
             val topSiteMenu = TopSiteItemMenu(view.context, topSite.type != FRECENT) { item ->

app/src/main/java/org/mozilla/fenix/search/SearchDialogFragment.kt

@@ -10,7 +10,9 @@ import android.app.Dialog
 import android.content.Context
 import android.content.DialogInterface
 import android.content.Intent
+import android.graphics.Color
 import android.graphics.Typeface
+import android.graphics.drawable.ColorDrawable
 import android.os.Build
 import android.os.Bundle
 import android.os.StrictMode
@@ -21,6 +23,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.ViewStub
 import android.view.WindowManager
+import android.view.inputmethod.InputMethodManager
 import android.view.accessibility.AccessibilityEvent
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatDialogFragment
@@ -183,6 +186,15 @@ class SearchDialogFragment : AppCompatDialogFragment(), UserInteractionHandler {
 
         requireComponents.core.engine.speculativeCreateSession(isPrivate)
 
+        if (findNavController().previousBackStackEntry?.destination?.id == R.id.homeFragment) {
+            // When displayed above home, dispatches the touch events to scrim area to the HomeFragment
+            view.search_wrapper.background = ColorDrawable(Color.TRANSPARENT)
+            dialog?.window?.decorView?.setOnTouchListener { _, event ->
+                requireActivity().dispatchTouchEvent(event)
+                false
+            }
+        }
+
         return view
     }
 
@@ -193,9 +205,12 @@ class SearchDialogFragment : AppCompatDialogFragment(), UserInteractionHandler {
 
         setupConstraints(view)
 
-        search_wrapper.setOnClickListener {
+        // When displayed above browser, dismisses dialog on clicking scrim area
-            it.hideKeyboardAndSave()
+        if (findNavController().previousBackStackEntry?.destination?.id == R.id.browserFragment) {
-            dismissAllowingStateLoss()
+            search_wrapper.setOnClickListener {
+                it.hideKeyboardAndSave()
+                dismissAllowingStateLoss()
+            }
         }
 
         view.search_engines_shortcut_button.setOnClickListener {
@@ -327,6 +342,21 @@ class SearchDialogFragment : AppCompatDialogFragment(), UserInteractionHandler {
         toolbarView.view.requestFocus()
     }
 
+    /*
+     * This way of dismissing the keyboard is needed to smoothly dismiss the keyboard while the dialog
+     * is also dismissing. For example, when clicking a top site on home while this dialog is showing.
+     */
+    private fun hideDeviceKeyboard() {
+        val imm =
+            requireContext().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+        imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0)
+    }
+
+    override fun onDismiss(dialog: DialogInterface) {
+        super.onDismiss(dialog)
+        hideDeviceKeyboard()
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, intent: Intent?) {
         if (requestCode == VoiceSearchActivity.SPEECH_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
             intent?.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS)?.first()?.also {

app/src/test/java/org/mozilla/fenix/home/DefaultSessionControlControllerTest.kt

@@ -434,4 +434,30 @@ class DefaultSessionControlControllerTest {
             fragmentStore.dispatch(HomeFragmentAction.RemoveCollectionsPlaceholder)
         }
     }
+
+    @Test
+    fun handleMenuOpenedWhileSearchShowing() {
+        every { navController.currentDestination } returns mockk {
+            every { id } returns R.id.searchDialogFragment
+        }
+
+        controller.handleMenuOpened()
+
+        verify {
+            navController.navigateUp()
+        }
+    }
+
+    @Test
+    fun handleMenuOpenedWhileSearchNotShowing() {
+        every { navController.currentDestination } returns mockk {
+            every { id } returns R.id.homeFragment
+        }
+
+        controller.handleMenuOpened()
+
+        verify(exactly = 0) {
+            navController.navigateUp()
+        }
+    }
 }

app/src/test/java/org/mozilla/fenix/home/SessionControlInteractorTest.kt

@@ -116,4 +116,16 @@ class SessionControlInteractorTest {
         interactor.onRemoveCollectionsPlaceholder()
         verify { controller.handleRemoveCollectionsPlaceholder() }
     }
+
+    @Test
+    fun onCollectionMenuOpened() {
+        interactor.onCollectionMenuOpened()
+        verify { controller.handleMenuOpened() }
+    }
+
+    @Test
+    fun onTopSiteMenuOpened() {
+        interactor.onTopSiteMenuOpened()
+        verify { controller.handleMenuOpened() }
+    }
 }

app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/topsites/TopSiteItemViewHolderTest.kt

@@ -44,4 +44,12 @@ class TopSiteItemViewHolderTest {
         view.top_site_item.performClick()
         verify { interactor.onSelectTopSite("https://getpocket.com", TopSite.Type.DEFAULT) }
     }
+
+    @Test
+    fun `calls interactor on long click`() {
+        TopSiteItemViewHolder(view, interactor).bind(pocket)
+
+        view.top_site_item.performLongClick()
+        verify { interactor.onTopSiteMenuOpened() }
+    }
 }