From 81fc854036b2dad54e304d027e80722ab4c2f554 Mon Sep 17 00:00:00 2001
From: Tyler Nijmeh <tylernij@gmail.com>
Date: Sun, 4 Apr 2021 20:39:44 -0700
Subject: Do not automatically enable LPM

Devices get locked in this state otherwise

Signed-off-by: Tyler Nijmeh <tylernij@gmail.com>
---
 .../draco/buoy/fragments/MainPreferenceFragment.kt | 36 ++--------------------
 .../com/draco/buoy/utils/BatterySaverManager.kt    | 16 +++++++++-
 app/src/main/res/values/strings.xml                |  2 +-
 3 files changed, 19 insertions(+), 35 deletions(-)

(limited to 'app/src')

diff --git a/app/src/main/java/com/draco/buoy/fragments/MainPreferenceFragment.kt b/app/src/main/java/com/draco/buoy/fragments/MainPreferenceFragment.kt
index 1a65293..123eb1d 100644
--- a/app/src/main/java/com/draco/buoy/fragments/MainPreferenceFragment.kt
+++ b/app/src/main/java/com/draco/buoy/fragments/MainPreferenceFragment.kt
@@ -2,7 +2,6 @@ package com.draco.buoy.fragments
 
 import android.content.*
 import android.net.Uri
-import android.os.BatteryManager
 import android.os.Build
 import android.os.Bundle
 import androidx.preference.*
@@ -79,15 +78,9 @@ class MainPreferenceFragment : PreferenceFragmentCompat(), SharedPreferences.OnS
         refreshSettings()
         lockSettings()
 
-        /* Listen for power plugged or unplugged */
-        val connectionChangedIntent = IntentFilter()
-        connectionChangedIntent.addAction(Intent.ACTION_POWER_CONNECTED)
-        requireContext().registerReceiver(connectionChangedReceiver, connectionChangedIntent)
-
-        /* Check now */
-        val batteryManager = requireContext().getSystemService(Context.BATTERY_SERVICE) as BatteryManager
-        if (batteryManager.isCharging)
-            pluggedInAlert()
+        /* Alert the user that LPM is not enabled */
+        if (!batterySaverManager.getLowPower())
+            Snackbar.make(requireView(), getString(R.string.snackbar_low_power), Snackbar.LENGTH_SHORT).show()
 
         /* On import text changed, apply the new configuration */
         findPreference<EditTextPreference>(getString(R.string.pref_key_import))?.let {
@@ -99,11 +92,6 @@ class MainPreferenceFragment : PreferenceFragmentCompat(), SharedPreferences.OnS
         }
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        requireContext().unregisterReceiver(connectionChangedReceiver)
-    }
-
     override fun onPreferenceTreeClick(preference: Preference): Boolean {
         when (preference.key) {
             getString(R.string.pref_profile_key_default) -> {
@@ -253,22 +241,4 @@ class MainPreferenceFragment : PreferenceFragmentCompat(), SharedPreferences.OnS
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         applySettings()
     }
-
-    /**
-     * Warn the user that low power mode won't work until the device is on battery power
-     */
-    private fun pluggedInAlert() {
-        Snackbar.make(requireView(), getString(R.string.snackbar_plugged_in), Snackbar.LENGTH_LONG).show()
-    }
-
-    /**
-     * On power change, enable or disable all settings
-     */
-    private var connectionChangedReceiver = object : BroadcastReceiver() {
-        override fun onReceive(context: Context, intent: Intent) {
-            when (intent.action) {
-                Intent.ACTION_POWER_CONNECTED -> pluggedInAlert()
-            }
-        }
-    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/draco/buoy/utils/BatterySaverManager.kt b/app/src/main/java/com/draco/buoy/utils/BatterySaverManager.kt
index a72aa70..8bf76a6 100644
--- a/app/src/main/java/com/draco/buoy/utils/BatterySaverManager.kt
+++ b/app/src/main/java/com/draco/buoy/utils/BatterySaverManager.kt
@@ -18,6 +18,17 @@ class BatterySaverManager(private val contentResolver: ContentResolver) {
         )
     }
 
+    /**
+     * Return true if low power mode is enabled
+     */
+    fun getLowPower(): Boolean {
+        return Settings.Global.getInt(
+            contentResolver,
+            BatterySaverSecureSettings.LOW_POWER,
+            0
+        ) == 1
+    }
+
     /**
      * Enable or disable low power sticky mode
      */
@@ -79,7 +90,7 @@ class BatterySaverManager(private val contentResolver: ContentResolver) {
             is BatterySaverConstantsConfig -> setConstantsConfig(config)
         }
 
-        setLowPower(true)
+        //setLowPower(true)
         setLowPowerSticky(true)
         setLowPowerStickyAutoDisableEnabled(false)
     }
@@ -89,5 +100,8 @@ class BatterySaverManager(private val contentResolver: ContentResolver) {
      */
     fun resetToDefault() {
         apply(null)
+
+        setLowPowerSticky(false)
+        setLowPowerStickyAutoDisableEnabled(true)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f737890..e1fff57 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,7 +12,7 @@
 
     <string name="snackbar_intent_failed">Could not handle this action</string>
     <string name="snackbar_failed_to_apply">Failed to apply; device is likely incompatible</string>
-    <string name="snackbar_plugged_in">Buoy will take effect when device is unplugged</string>
+    <string name="snackbar_low_power">Changes will take effect when device is in battery saver mode</string>
 
     <string name="developer_url">https://www.github.com/tytydraco</string>
     <string name="source_url">https://www.github.com/tytydraco/Buoy</string>
-- 
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