From 2efab55c9c2fbf6605595561debd62c319ef6c4c Mon Sep 17 00:00:00 2001
From: Adin Kwok <adin.kwok@carbonrom.org>
Date: Thu, 12 Apr 2018 18:33:43 -0700
Subject: [PATCH] Cherish: Update Smart Pixels menu
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Menu updates preferences when changed externally via tile
Now allows user to enable/disable auto-enable.

Change-Id: Iaf78a60e5f083fde3c6fe562623169c01ba2ea22
Signed-off-by: shagbag913 <sh4gbag913@gmail.com>
Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>
---
 .../preferences/fragments/SmartPixels.java    | 60 +++++++++++++++----
 1 file changed, 50 insertions(+), 10 deletions(-)

diff --git a/src/com/cherish/settings/preferences/fragments/SmartPixels.java b/src/com/cherish/settings/preferences/fragments/SmartPixels.java
index 6919a17..b8c0f3a 100644
--- a/src/com/cherish/settings/preferences/fragments/SmartPixels.java
+++ b/src/com/cherish/settings/preferences/fragments/SmartPixels.java
@@ -19,7 +19,10 @@ package com.cherish.settings.fragments;
 import android.content.Context;
 import android.content.ContentResolver;
 import android.content.res.Resources;
+import android.database.ContentObserver;
+import android.net.Uri;
 import android.os.Bundle;
+import android.os.Handler;
 import android.os.UserHandle;
 import android.os.PowerManager;
 import android.provider.SearchIndexableResource;
@@ -45,11 +48,17 @@ import java.util.List;
 public class SmartPixels extends SettingsPreferenceFragment implements
         Preference.OnPreferenceChangeListener {
     private static final String TAG = "SmartPixels";
-
+    private static final String ENABLE = "smart_pixels_enable";
     private static final String ON_POWER_SAVE = "smart_pixels_on_power_save";
 
+    private Handler mHandler = new Handler();
+    private SmartPixelsObserver mSmartPixelsObserver;
+    private SystemSettingSwitchPreference mSmartPixelsEnable;
     private SystemSettingSwitchPreference mSmartPixelsOnPowerSave;
 
+    private boolean mIsSmartPixelsEnabled;
+    private boolean mIsSmartPixelsOnPowerSave;
+
     ContentResolver resolver;
 
     @Override
@@ -60,9 +69,10 @@ public class SmartPixels extends SettingsPreferenceFragment implements
 
         resolver = getActivity().getContentResolver();
 
+        mSmartPixelsEnable = (SystemSettingSwitchPreference) findPreference(ENABLE);
         mSmartPixelsOnPowerSave = (SystemSettingSwitchPreference) findPreference(ON_POWER_SAVE);
 
-        updateDependency();
+        mSmartPixelsObserver = new SmartPixelsObserver(mHandler);
     }
 
     @Override
@@ -73,28 +83,58 @@ public class SmartPixels extends SettingsPreferenceFragment implements
     @Override
     public void onResume() {
         super.onResume();
+        if (mSmartPixelsObserver != null) {
+            mSmartPixelsObserver.register();
+        }
     }
 
     @Override
     public void onPause() {
         super.onPause();
+        if (mSmartPixelsObserver != null) {
+            mSmartPixelsObserver.unregister();
+        }
     }
 
     public boolean onPreferenceChange(Preference preference, Object objValue) {
         final String key = preference.getKey();
-        updateDependency();
         return true;
     }
 
-    private void updateDependency() {
-        boolean mUseOnPowerSave = (Settings.System.getIntForUser(
+    private void updatePreferences() {
+        mIsSmartPixelsEnabled = (Settings.System.getIntForUser(
+                resolver, Settings.System.SMART_PIXELS_ENABLE,
+                0, UserHandle.USER_CURRENT) == 1);
+        mIsSmartPixelsOnPowerSave = (Settings.System.getIntForUser(
                 resolver, Settings.System.SMART_PIXELS_ON_POWER_SAVE,
                 0, UserHandle.USER_CURRENT) == 1);
-        PowerManager pm = (PowerManager)getActivity().getSystemService(Context.POWER_SERVICE);
-        if (pm.isPowerSaveMode() && mUseOnPowerSave) {
-            mSmartPixelsOnPowerSave.setEnabled(false);
-        } else {
-            mSmartPixelsOnPowerSave.setEnabled(true);
+
+        mSmartPixelsEnable.setChecked(mIsSmartPixelsEnabled);
+        mSmartPixelsOnPowerSave.setChecked(mIsSmartPixelsOnPowerSave);
+    }
+
+    private class SmartPixelsObserver extends ContentObserver {
+        public SmartPixelsObserver(Handler handler) {
+            super(handler);
+        }
+
+        public void register() {
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.SMART_PIXELS_ENABLE),
+                    false, this, UserHandle.USER_CURRENT);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.SMART_PIXELS_ON_POWER_SAVE),
+                    false, this, UserHandle.USER_CURRENT);
+        }
+
+        public void unregister() {
+            resolver.unregisterContentObserver(this);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            super.onChange(selfChange);
+            updatePreferences();
         }
     }