Enable secure screen when incognito mode is enabled (#5339)

* Enable secure screen when incognito mode is enabled

* Fix incognito banner not showing up after configuration changes

app/src/main/java/eu/kanade/tachiyomi/ui/base/activity/BaseThemedActivity.kt

@@ -4,11 +4,17 @@ import android.content.res.Configuration.UI_MODE_NIGHT_MASK
 import android.content.res.Configuration.UI_MODE_NIGHT_YES
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.lifecycleScope
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.DarkThemeVariant
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.LightThemeVariant
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.ThemeMode
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.asImmediateFlow
+import eu.kanade.tachiyomi.util.view.setSecureScreen
+import kotlinx.coroutines.flow.launchIn
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
 
 abstract class BaseThemedActivity : AppCompatActivity() {
@@ -38,6 +44,13 @@ abstract class BaseThemedActivity : AppCompatActivity() {
             }
         }
         setTheme(themeId)
+
+        Injekt.get<PreferencesHelper>().incognitoMode()
+            .asImmediateFlow {
+                window.setSecureScreen(it)
+            }
+            .launchIn(lifecycleScope)
+
         super.onCreate(savedInstanceState)
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -237,6 +237,7 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
             .asImmediateFlow { binding.downloadedOnly.isVisible = it }
             .launchIn(lifecycleScope)
 
+        binding.incognitoMode.isVisible = preferences.incognitoMode().get()
         preferences.incognitoMode().asFlow()
             .drop(1)
             .onEach {

app/src/main/java/eu/kanade/tachiyomi/ui/security/SecureActivityDelegate.kt

@@ -1,11 +1,11 @@
 package eu.kanade.tachiyomi.ui.security
 
 import android.content.Intent
-import android.view.WindowManager
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.lifecycleScope
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.util.system.AuthenticatorUtil
+import eu.kanade.tachiyomi.util.view.setSecureScreen
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import uy.kohesive.injekt.injectLazy
@@ -17,13 +17,7 @@ class SecureActivityDelegate(private val activity: FragmentActivity) {
 
     fun onCreate() {
         preferences.secureScreen().asFlow()
-            .onEach {
-                if (it) {
-                    activity.window.setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
-                } else {
-                    activity.window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
-                }
-            }
+            .onEach { activity.window.setSecureScreen(it || preferences.incognitoMode().get()) }
             .launchIn(activity.lifecycleScope)
     }
 

app/src/main/java/eu/kanade/tachiyomi/util/view/WindowExtensions.kt

@@ -5,6 +5,7 @@ import android.graphics.Color
 import android.os.Build
 import android.view.View
 import android.view.Window
+import android.view.WindowManager
 import eu.kanade.tachiyomi.util.system.InternalResourceHelper
 import eu.kanade.tachiyomi.util.system.getResourceColor
 
@@ -42,3 +43,11 @@ fun Window.setNavigationBarTransparentCompat(context: Context) {
         context.getResourceColor(android.R.attr.navigationBarColor, 0.7F)
     }
 }
+
+fun Window.setSecureScreen(enabled: Boolean) {
+    if (enabled) {
+        setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
+    } else {
+        clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
+    }
+}