[fenix] For https://github.com/mozilla-mobile/fenix/issues/16807 - Make sure there's only one instance of search dialog

app/src/main/java/org/mozilla/fenix/home/intent/StartSearchIntentProcessor.kt

@@ -6,8 +6,10 @@ package org.mozilla.fenix.home.intent
 
 import android.content.Intent
 import androidx.navigation.NavController
+import androidx.navigation.navOptions
 import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.NavGraphDirections
+import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.components.metrics.MetricController
 import org.mozilla.fenix.ext.nav
@@ -22,25 +24,25 @@ class StartSearchIntentProcessor(
 
     override fun process(intent: Intent, navController: NavController, out: Intent): Boolean {
         val event = intent.extras?.getString(HomeActivity.OPEN_TO_SEARCH)
-        var source: Event.PerformedSearch.SearchAccessPoint? = null
         return if (event != null) {
-            when (event) {
+            val source = when (event) {
                 SEARCH_WIDGET -> {
                     metrics.track(Event.SearchWidgetNewTabPressed)
-                    source = Event.PerformedSearch.SearchAccessPoint.WIDGET
+                    Event.PerformedSearch.SearchAccessPoint.WIDGET
                 }
                 STATIC_SHORTCUT_NEW_TAB -> {
                     metrics.track(Event.PrivateBrowsingStaticShortcutTab)
-                    source = Event.PerformedSearch.SearchAccessPoint.SHORTCUT
+                    Event.PerformedSearch.SearchAccessPoint.SHORTCUT
                 }
                 STATIC_SHORTCUT_NEW_PRIVATE_TAB -> {
                     metrics.track(Event.PrivateBrowsingStaticShortcutPrivateTab)
-                    source = Event.PerformedSearch.SearchAccessPoint.SHORTCUT
+                    Event.PerformedSearch.SearchAccessPoint.SHORTCUT
                 }
                 PRIVATE_BROWSING_PINNED_SHORTCUT -> {
                     metrics.track(Event.PrivateBrowsingPinnedShortcutPrivateTab)
-                    source = Event.PerformedSearch.SearchAccessPoint.SHORTCUT
+                    Event.PerformedSearch.SearchAccessPoint.SHORTCUT
                 }
+                else -> null
             }
 
             out.removeExtra(HomeActivity.OPEN_TO_SEARCH)
@@ -51,7 +53,12 @@ class StartSearchIntentProcessor(
                     searchAccessPoint = it
                 )
             }
-            directions?.let { navController.nav(null, it) }
+            directions?.let {
+                val options = navOptions {
+                    popUpTo = R.id.homeFragment
+                }
+                navController.nav(null, it, options)
+            }
             true
         } else {
             false

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

@@ -25,7 +25,9 @@
 
     <action
         android:id="@+id/action_global_search_dialog"
-        app:destination="@id/searchDialogFragment" />
+        app:destination="@id/searchDialogFragment"
+        app:popUpTo="@id/searchDialogFragment"
+        app:popUpToInclusive="true"/>
 
     <action
         android:id="@+id/action_global_recently_closed"
@@ -109,7 +111,9 @@
         app:destination="@id/quickSettingsSheetDialogFragment" />
     <action
         android:id="@+id/action_global_tabTrayDialogFragment"
-        app:destination="@id/tabTrayDialogFragment" />
+        app:destination="@id/tabTrayDialogFragment"
+        app:popUpTo="@id/tabTrayDialogFragment"
+        app:popUpToInclusive="true"/>
     <action
         android:id="@+id/action_global_savedLoginsAuthFragment"
         app:destination="@id/savedLoginsAuthFragment" />
@@ -204,9 +208,6 @@
         <action
             android:id="@+id/action_browserFragment_to_trackingProtectionPanelDialogFragment"
             app:destination="@id/trackingProtectionPanelDialogFragment" />
-        <action
-            android:id="@+id/action_browserFragment_to_tabsTrayFragment"
-            app:destination="@+id/tabTrayFragment" />
     </fragment>
 
     <fragment

app/src/test/java/org/mozilla/fenix/home/intent/StartSearchIntentProcessorTest.kt

@@ -6,6 +6,7 @@ package org.mozilla.fenix.home.intent
 
 import android.content.Intent
 import androidx.navigation.NavController
+import androidx.navigation.navOptions
 import io.mockk.Called
 import io.mockk.mockk
 import io.mockk.verify
@@ -13,8 +14,10 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.NavGraphDirections
+import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.components.metrics.MetricController
+import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
 
 @RunWith(FenixRobolectricTestRunner::class)
@@ -51,15 +54,19 @@ class StartSearchIntentProcessorTest {
             putExtra(HomeActivity.OPEN_TO_SEARCH, StartSearchIntentProcessor.SEARCH_WIDGET)
         }
         StartSearchIntentProcessor(metrics).process(intent, navController, out)
+        val options = navOptions {
+            popUpTo = R.id.homeFragment
+        }
 
         verify { metrics.track(Event.SearchWidgetNewTabPressed) }
         verify {
-            navController.navigate(
+            navController.nav(
+                null,
                 NavGraphDirections.actionGlobalSearchDialog(
                     sessionId = null,
                     searchAccessPoint = Event.PerformedSearch.SearchAccessPoint.WIDGET
                 ),
-                null
+                options
             )
         }
         verify { out.removeExtra(HomeActivity.OPEN_TO_SEARCH) }