[fenix] For https://github.com/mozilla-mobile/fenix/issues/6123: Expose WebExtensions in private browsing control

app/src/main/java/org/mozilla/fenix/addons/InstalledAddonDetailsFragment.kt

@@ -81,6 +81,7 @@ class InstalledAddonDetailsFragment : Fragment() {
         bindSettings(view)
         bindDetails(view)
         bindPermissions(view)
+        bindAllowInPrivateBrowsingSwitch(view)
         bindRemoveButton(view)
     }
 
@@ -211,6 +212,32 @@ class InstalledAddonDetailsFragment : Fragment() {
         }
     }
 
+    private fun bindAllowInPrivateBrowsingSwitch(view: View) {
+        val switch = view.allow_in_private_browsing_switch
+        switch.isChecked = addon.isAllowedInPrivateBrowsing()
+        switch.setOnCheckedChangeListener { v, isChecked ->
+            val addonManager = v.context.components.addonManager
+            switch.isClickable = false
+            view.remove_add_on.isEnabled = false
+            addonManager.setAddonAllowedInPrivateBrowsing(
+                addon,
+                isChecked,
+                onSuccess = {
+                    runIfFragmentIsAttached {
+                        this.addon = it
+                        switch.isClickable = true
+                        view.remove_add_on.isEnabled = true
+                    }
+                },
+                onError = {
+                    runIfFragmentIsAttached {
+                        switch.isClickable = true
+                        view.remove_add_on.isEnabled = true
+                    }
+                }
+            )
+        }
+    }
     private fun bindRemoveButton(view: View) {
         view.remove_add_on.setOnClickListener {
             setAllInteractiveViewsClickable(view, false)

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

@@ -32,11 +32,29 @@
                 android:textColor="?primaryText"
                 android:textSize="16sp" />
 
+            <Switch
+                android:id="@+id/allow_in_private_browsing_switch"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical|end"
+                android:layout_below="@+id/enable_switch"
+                android:background="?android:attr/selectableItemBackground"
+                android:checked="false"
+                android:clickable="true"
+                android:focusable="true"
+                android:text="@string/mozac_feature_addons_settings_run_in_private_browsing"
+                android:padding="16dp"
+                android:textSize="16sp"
+                android:textColor="?primaryText"
+                android:drawablePadding="32dp"
+                android:drawableStart="@drawable/ic_private_browsing"
+                app:drawableTint="?primaryText" />
+
             <TextView
                 android:id="@+id/settings"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_below="@+id/enable_switch"
+                android:layout_below="@+id/allow_in_private_browsing_switch"
                 android:background="?android:attr/selectableItemBackground"
                 android:drawablePadding="32dp"
                 android:padding="16dp"
@@ -76,8 +94,8 @@
             <Button
                 android:id="@+id/remove_add_on"
                 style="@style/DestructiveButton"
-                android:layout_below="@+id/permissions"
                 android:layout_marginHorizontal="16dp"
+                android:layout_below="@+id/permissions"
                 android:text="@string/mozac_feature_addons_remove" />
         </RelativeLayout>
     </ScrollView>