Merge "Followup SppRepo refactor in Settings"

src/com/android/settings/spa/SpaActivity.kt

@@ -20,7 +20,7 @@ import android.content.Context
 import android.content.Intent
 import com.android.settingslib.spa.framework.BrowseActivity
 
-class SpaActivity : BrowseActivity(settingsPageProviders) {
+class SpaActivity : BrowseActivity(SpaEnvironment.settingsPageProviders) {
     companion object {
         @JvmStatic
         fun startSpaActivity(context: Context, startDestination: String) {

src/com/android/settings/spa/SpaEnvironment.kt

@@ -18,20 +18,34 @@ package com.android.settings.spa
 
 import com.android.settings.spa.app.InstallUnknownAppsListProvider
 import com.android.settings.spa.home.HomePageProvider
+import com.android.settingslib.spa.framework.common.SettingsEntryRepository
+import com.android.settingslib.spa.framework.common.SettingsPage
 import com.android.settings.spa.notification.AppListNotificationsPageProvider
 import com.android.settings.spa.notification.NotificationMainPageProvider
 import com.android.settingslib.spa.framework.common.SettingsPageProviderRepository
 import com.android.settingslib.spaprivileged.template.app.TogglePermissionAppListTemplate
 
-private val togglePermissionAppListTemplate = TogglePermissionAppListTemplate(
-    allProviders = listOf(InstallUnknownAppsListProvider),
-)
+object SpaEnvironment {
+    val settingsPageProviders: SettingsPageProviderRepository by
+    lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
+        val togglePermissionAppListTemplate = TogglePermissionAppListTemplate(
+            allProviders = listOf(InstallUnknownAppsListProvider),
+        )
+        SettingsPageProviderRepository(
+            allPageProviders = listOf(
+                HomePageProvider,
+                NotificationMainPageProvider,
+                AppListNotificationsPageProvider,
+            ) + togglePermissionAppListTemplate.createPageProviders(),
+            rootPages = listOf(
+                SettingsPage(HomePageProvider.name),
+            ),
+        )
+    }
+    val settingsEntryRepository: SettingsEntryRepository by
+    lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
+        SettingsEntryRepository(settingsPageProviders)
+    }
 
-val settingsPageProviders = SettingsPageProviderRepository(
-    allPagesList = listOf(
-        HomePageProvider,
-        NotificationMainPageProvider,
-        AppListNotificationsPageProvider,
-    ) + togglePermissionAppListTemplate.createPageProviders(),
-    rootPages = listOf(HomePageProvider.name),
-)
+    // TODO: add other environment setup here.
+}

src/com/android/settings/spa/home/HomePage.kt

@@ -17,9 +17,12 @@
 package com.android.settings.spa.home
 
 import android.os.Bundle
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
 import com.android.settings.R
+import com.android.settings.spa.SpaEnvironment
 import com.android.settings.spa.app.InstallUnknownAppsListProvider
 import com.android.settings.spa.notification.NotificationMainPageProvider
 import com.android.settingslib.spa.framework.common.SettingsPageProvider
@@ -39,5 +42,16 @@ private fun HomePage() {
     HomeScaffold(title = stringResource(R.string.settings_label)) {
         InstallUnknownAppsListProvider.EntryItem()
         NotificationMainPageProvider.EntryItem()
+
+        /**
+         * A test button to generate hierarchy.
+         * TODO: remove it once the content provider is ready.
+         */
+        Button(onClick = {
+            SpaEnvironment.settingsEntryRepository.printAllPages()
+            SpaEnvironment.settingsEntryRepository.printAllEntries()
+        }) {
+            Text(text = "Generate Entry")
+        }
     }
 }