For #1019 Add option to enable search suggestions in private mode

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

@@ -81,13 +81,20 @@ class SearchFragment : Fragment(), BackHandler {
             requireComponents.search.provider.getDefaultEngine(requireContext())
         )
 
+        val showSearchSuggestions = if ((activity as HomeActivity).browsingModeManager.mode.isPrivate) {
+            requireContext().settings().shouldShowSearchSuggestions &&
+                    requireContext().settings().shouldShowSearchSuggestionsInPrivate
+        } else {
+            requireContext().settings().shouldShowSearchSuggestions
+        }
+
         searchStore = StoreProvider.get(this) {
             SearchFragmentStore(
                 SearchFragmentState(
                     query = url,
                     searchEngineSource = currentSearchEngine,
                     defaultEngineSource = currentSearchEngine,
-                    showSearchSuggestions = requireContext().settings().shouldShowSearchSuggestions,
+                    showSearchSuggestions = showSearchSuggestions,
                     showSearchShortcuts = requireContext().settings().shouldShowSearchShortcuts && url.isEmpty(),
                     showClipboardSuggestions = requireContext().settings().shouldShowClipboardSuggestions,
                     showHistorySuggestions = requireContext().settings().shouldShowHistorySuggestions,

app/src/main/java/org/mozilla/fenix/settings/search/SearchEngineFragment.kt

@@ -8,6 +8,7 @@ import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.fragment.findNavController
 import androidx.preference.Preference
+import androidx.preference.CheckBoxPreference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SwitchPreference
 import org.mozilla.fenix.R
@@ -31,6 +32,12 @@ class SearchEngineFragment : PreferenceFragmentCompat() {
                 isChecked = context.settings().shouldShowSearchSuggestions
             }
 
+        val searchSuggestionsInPrivatePreference =
+            findPreference<CheckBoxPreference>(getPreferenceKey(R.string.pref_key_show_search_suggestions_in_private))
+                ?.apply {
+                isChecked = context.settings().shouldShowSearchSuggestionsInPrivate
+            }
+
         val showSearchShortcuts =
             findPreference<SwitchPreference>(getPreferenceKey(R.string.pref_key_show_search_shortcuts))?.apply {
                 isChecked = context.settings().shouldShowSearchShortcuts
@@ -60,6 +67,15 @@ class SearchEngineFragment : PreferenceFragmentCompat() {
         showHistorySuggestions?.onPreferenceChangeListener = SharedPreferenceUpdater()
         showBookmarkSuggestions?.onPreferenceChangeListener = SharedPreferenceUpdater()
         showClipboardSuggestions?.onPreferenceChangeListener = SharedPreferenceUpdater()
+        searchSuggestionsInPrivatePreference?.onPreferenceChangeListener = SharedPreferenceUpdater()
+
+        searchSuggestionsPreference?.setOnPreferenceClickListener {
+            if (!searchSuggestionsPreference.isChecked) {
+                searchSuggestionsInPrivatePreference?.isChecked = false
+                searchSuggestionsInPrivatePreference?.callChangeListener(false)
+            }
+            true
+        }
     }
 
     override fun onPreferenceTreeClick(preference: Preference): Boolean {

app/src/main/java/org/mozilla/fenix/utils/Settings.kt

@@ -263,6 +263,11 @@ class Settings private constructor(
         default = true
     )
 
+    val shouldShowSearchSuggestionsInPrivate by booleanPreference(
+        appContext.getPreferenceKey(R.string.pref_key_show_search_suggestions_in_private),
+        default = false
+    )
+
     @VisibleForTesting(otherwise = PRIVATE)
     internal val trackingProtectionOnboardingCount by intPreference(
         appContext.getPreferenceKey(R.string.pref_key_tracking_protection_onboarding),

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

@@ -11,7 +11,6 @@
     android:clickable="true"
     android:focusable="true"
     android:gravity="center_vertical"
-    android:minHeight="?android:attr/listPreferredItemHeight"
     android:paddingStart="8dp"
     android:paddingEnd="?android:attr/scrollbarSize">
 

app/src/main/res/values/preference_keys.xml

@@ -74,6 +74,8 @@
     <string name="pref_key_show_clipboard_suggestions" translatable="false">pref_key_show_clipboard_suggestions</string>
     <string name="pref_key_search_browsing_history" translatable="false">pref_key_search_browsing_history</string>
     <string name="pref_key_search_bookmarks" translatable="false">pref_key_search_bookmarks</string>
+    <string name="pref_key_show_search_suggestions_in_private" translatable="false">pref_key_show_search_suggestions_in_private</string>
+
 
     <!-- Site Permissions Settings -->
     <string name="pref_key_optimize" translatable="false">pref_key_optimize</string>

app/src/main/res/values/strings.xml

@@ -134,6 +134,8 @@
     <string name="preferences_default_search_engine">Default search engine</string>
     <!-- Preference for settings related to Search -->
     <string name="preferences_search">Search</string>
+    <!-- Preference for settings related to Search address bar -->
+    <string name="preferences_search_address_bar">Address bar</string>
     <!-- Preference linking to help about Fenix -->
     <string name="preferences_help">Help</string>
     <!-- Preference link to rating Fenix on the Play Store -->
@@ -191,6 +193,8 @@
     <string name="preferences_show_search_shortcuts">Show search shortcuts</string>
     <!-- Preference title for switch preference to show search suggestions -->
     <string name="preferences_show_search_suggestions">Show search suggestions</string>
+    <!-- Preference title for switch preference to show search suggestions also in private mode -->
+    <string name="preferences_show_search_suggestions_in_private">Show in private sessions</string>
     <!-- Preference title for switch preference to show a clipboard suggestion when searching -->
     <string name="preferences_show_clipboard_suggestions">Show clipboard suggestions</string>
     <!-- Preference title for switch preference to suggest browsing history when searching -->

app/src/main/res/xml/search_preferences.xml

@@ -12,16 +12,17 @@
         <org.mozilla.fenix.settings.search.RadioSearchEngineListPreference
             android:key="@string/pref_key_search_engine_list"
             android:selectable="false"/>
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:title="@string/preferences_search_address_bar"
+        android:selectable="false"
+        app:iconSpaceReserved="false">
+
         <Preference
             android:key="@string/pref_key_add_search_engine"
             android:title="@string/search_engine_add_custom_search_engine_title"
             android:layout="@layout/preference_search_add_engine"/>
-        <SwitchPreference
-            android:defaultValue="true"
-            android:key="@string/pref_key_show_search_suggestions"
-            android:title="@string/preferences_show_search_suggestions"
-            app:iconSpaceReserved="false"
-            app:allowDividerAbove="false"/>
         <SwitchPreference
             android:defaultValue="true"
             android:key="@string/pref_key_show_search_shortcuts"
@@ -42,5 +43,19 @@
             android:key="@string/pref_key_search_bookmarks"
             android:title='@string/preferences_search_bookmarks'
             app:iconSpaceReserved="false" />
+        <SwitchPreference
+            android:defaultValue="true"
+            android:key="@string/pref_key_show_search_suggestions"
+            android:title="@string/preferences_show_search_suggestions"
+            app:iconSpaceReserved="false"
+            app:allowDividerAbove="false"/>
+        <CheckBoxPreference
+            android:defaultValue="false"
+            android:dependency="@string/pref_key_show_search_suggestions"
+            android:key="@string/pref_key_show_search_suggestions_in_private"
+            android:title="@string/preferences_show_search_suggestions_in_private"
+            android:layout="@layout/checkbox_left_preference"
+            app:allowDividerAbove="false"
+            app:iconSpaceReserved="true" />
     </PreferenceCategory>
 </PreferenceScreen>