Make smartspace custom calendar experimental

Co-authored-by: Daria Hamrah Paytakht <info@dariarnd.ir>

lawnchair/res/values/config.xml

@@ -57,6 +57,7 @@
     <bool name="config_default_show_top_shadow">true</bool>
     <bool name="config_default_hide_app_drawer_search_bar">false</bool>
     <bool name="config_default_enable_font_selection">true</bool>
+    <bool name="config_default_enable_smartspace_calendar_selection">true</bool>
     <bool name="config_default_dts2">true</bool>
     <bool name="config_default_auto_show_keyboard_in_drawer">false</bool>
     <bool name="config_default_show_icon_labels_on_home_screen">true</bool>

lawnchair/res/values/strings.xml

@@ -216,6 +216,8 @@
     <string name="icon_picker_description">May cause Lawnchair to freeze.</string>
     <string name="font_picker_label">Font Customization</string>
     <string name="font_picker_description">Some text remains unchanged.</string>
+    <string name="smartspace_calendar_label">At a Glance Calendar Customization</string>
+    <string name="smartspace_calendar_description">Allow showing date in non-Gregorian calendar systems.</string>
     <string name="search_provider_app_search">App Search</string>
     <string name="search_provider_google" translatable="false">Google</string>
     <string name="search_provider_google_go" translatable="false">Google Go</string>

lawnchair/src/app/lawnchair/preferences2/PreferenceManager2.kt

@@ -155,6 +155,11 @@ class PreferenceManager2(private val context: Context) : PreferenceManager {
         },
     )
 
+    val enableSmartspaceCalendarSelection = preference(
+        key = booleanPreferencesKey(name = "enable_smartspace_calendar_selection"),
+        defaultValue = context.resources.getBoolean(R.bool.config_default_enable_smartspace_calendar_selection),
+    )
+
     val dt2s = preference(
         key = booleanPreferencesKey(name = "dt2s"),
         defaultValue = context.resources.getBoolean(R.bool.config_default_dts2),

lawnchair/src/app/lawnchair/smartspace/IcuDateTextView.kt

@@ -8,11 +8,14 @@ import android.icu.text.DateFormat
 import android.icu.text.DisplayContext
 import android.os.SystemClock
 import android.util.AttributeSet
+import app.lawnchair.preferences.getAdapter
 import app.lawnchair.preferences2.PreferenceManager2
 import app.lawnchair.preferences2.subscribeBlocking
 import app.lawnchair.smartspace.model.SmartspaceCalendar
 import app.lawnchair.util.viewAttachedScope
 import com.android.launcher3.R
+import com.patrykmichalik.preferencemanager.first
+import com.patrykmichalik.preferencemanager.firstBlocking
 import saman.zamani.persiandate.PersianDate
 import saman.zamani.persiandate.PersianDateFormat
 import java.util.*
@@ -87,8 +90,14 @@ class IcuDateTextView @JvmOverloads constructor(
     override fun onFinishInflate() {
         super.onFinishInflate()
         preferenceManager2 = PreferenceManager2.getInstance(context)
-        preferenceManager2.smartspaceCalendar.subscribeBlocking(scope = viewAttachedScope) {
-            calendar = it
+        val calendarSelectionEnabled =
+            preferenceManager2.enableSmartspaceCalendarSelection.firstBlocking()
+        if (calendarSelectionEnabled) {
+            preferenceManager2.smartspaceCalendar.subscribeBlocking(scope = viewAttachedScope) {
+                calendar = it
+            }
+        } else {
+            calendar = preferenceManager2.smartspaceCalendar.defaultValue
         }
     }
 

lawnchair/src/app/lawnchair/ui/preferences/ExperimentalFeaturesPreferences.kt

@@ -24,6 +24,11 @@ fun ExperimentalFeaturesPreferences() {
                 label = stringResource(id = R.string.font_picker_label),
                 description = stringResource(id = R.string.font_picker_description),
             )
+            SwitchPreference(
+                adapter = prefs.enableSmartspaceCalendarSelection.getAdapter(),
+                label = stringResource(id = R.string.smartspace_calendar_label),
+                description = stringResource(id = R.string.smartspace_calendar_description),
+            )
         }
     }
 }

lawnchair/src/app/lawnchair/ui/preferences/SmartspacePreferences.kt

@@ -62,7 +62,11 @@ fun SmartspacePreferences(fromWidget: Boolean) {
                         heading = stringResource(id = R.string.what_to_show),
                         modifier = Modifier.padding(top = 8.dp),
                     ) {
-                        SmartspaceCalendarPreference()
+                        val calendarSelectionEnabled =
+                            preferenceManager2.enableSmartspaceCalendarSelection.getAdapter()
+                        if (calendarSelectionEnabled.state.value) {
+                            SmartspaceCalendarPreference()
+                        }
                         smartspaceProvider.dataSources
                             .filter { it.isAvailable }
                             .forEach {