From bc463f3c64ab04ae766aa2f161cce8d5f0e4b9f3 Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <msfjarvis@gmail.com>
Date: Sun, 29 Mar 2020 20:03:50 +0530
Subject: Significantly improve app theming (#679)

* Update CHANGELOG

* Use outlined box style in folder creation dialog

* Add user-facing choice for app theme

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
---
 .../main/java/com/zeapo/pwdstore/Application.kt    | 33 +++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'app/src/main/java/com/zeapo')

diff --git a/app/src/main/java/com/zeapo/pwdstore/Application.kt b/app/src/main/java/com/zeapo/pwdstore/Application.kt
index d6c618b1..b476dd45 100644
--- a/app/src/main/java/com/zeapo/pwdstore/Application.kt
+++ b/app/src/main/java/com/zeapo/pwdstore/Application.kt
@@ -4,11 +4,19 @@
  */
 package com.zeapo.pwdstore
 
+import android.content.SharedPreferences
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY
+import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO
+import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES
+import androidx.preference.PreferenceManager
 import com.haroldadmin.whatthestack.WhatTheStack
 import timber.log.Timber
 
 @Suppress("Unused")
-class Application : android.app.Application() {
+class Application : android.app.Application(), SharedPreferences.OnSharedPreferenceChangeListener {
+    private var prefs: SharedPreferences? = null
 
     override fun onCreate() {
         super.onCreate()
@@ -16,5 +24,28 @@ class Application : android.app.Application() {
         if (BuildConfig.ENABLE_DEBUG_FEATURES) {
             WhatTheStack(this).init()
         }
+        prefs = PreferenceManager.getDefaultSharedPreferences(this)
+        prefs?.registerOnSharedPreferenceChangeListener(this)
+        setNightMode()
+    }
+
+    override fun onTerminate() {
+        prefs?.unregisterOnSharedPreferenceChangeListener(this)
+        super.onTerminate()
+    }
+
+    override fun onSharedPreferenceChanged(prefs: SharedPreferences, key: String) {
+        if (key == "app_theme") {
+            setNightMode()
+        }
+    }
+
+    private fun setNightMode() {
+        AppCompatDelegate.setDefaultNightMode(when (prefs?.getString("app_theme", getString(R.string.app_theme_def))) {
+            "light" -> MODE_NIGHT_NO
+            "dark" -> MODE_NIGHT_YES
+            "follow_system" -> MODE_NIGHT_FOLLOW_SYSTEM
+            else -> MODE_NIGHT_AUTO_BATTERY
+        })
     }
 }
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