From 09d3436c4fc70a201e60f2b624a543a4c67abe1a Mon Sep 17 00:00:00 2001
From: Ezio Lacandia Bijelkic <brabus84@gmail.com>
Date: Tue, 29 Nov 2016 08:00:41 -0500
Subject: [PATCH] Battery: allow set a custom symbol near text pct on charging
 [1/2]

default (disabled)
flash
tilde

PS2 - OCD things

Change-Id: Ibadd63f2b5b1369a02984381ba7a2a2ca37c0dbb
---
 core/java/android/provider/Settings.java      | 30 ++++++++++------
 .../systemui/BatteryLevelTextView.java        | 34 +++++++++++++++++--
 2 files changed, 52 insertions(+), 12 deletions(-)

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 1145a5236309..512733290e16 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -7343,18 +7343,28 @@ public static boolean putFloatForUser(ContentResolver cr, String name, float val
         public static final String STATUS_BAR_BATTERY_STYLE_TILE = "status_bar_battery_style_tile";
 
         /**
-          * battery icon color when charging
-          *
-          * @hide
-        */
-         public static final String STATUS_BAR_CHARGE_COLOR = "status_bar_charge_color";
+         * Battery icon color while charging
+         *
+         * @hide
+         */
+        public static final String STATUS_BAR_CHARGE_COLOR = "status_bar_charge_color";
 
         /**
-          * Whether to force percentage text out of the battery icon when charging
-          *
-          * @hide
-        */
-         public static final String FORCE_CHARGE_BATTERY_TEXT = "force_charge_battery_text";
+         * Whether to force percentage text out of the battery icon while charging
+         *
+         * @hide
+         */
+        public static final String FORCE_CHARGE_BATTERY_TEXT = "force_charge_battery_text";
+
+        /**
+         * Charging symbol near battery text percentage
+         * 0: no symbol
+         * 1: flash symbol
+         * 2: tilde symbol
+         * default: 0
+         * @hide
+         */
+        public static final String TEXT_CHARGING_SYMBOL = "text_charging_symbol";
 
         /**
          * Whether the camera double twist gesture to flip between front and back mode should be
diff --git a/packages/SystemUI/src/com/android/systemui/BatteryLevelTextView.java b/packages/SystemUI/src/com/android/systemui/BatteryLevelTextView.java
index eedd732c2b1c..88e6554e021d 100644
--- a/packages/SystemUI/src/com/android/systemui/BatteryLevelTextView.java
+++ b/packages/SystemUI/src/com/android/systemui/BatteryLevelTextView.java
@@ -35,6 +35,8 @@ public class BatteryLevelTextView extends TextView implements
             Settings.Secure.STATUS_BAR_BATTERY_STYLE;
     private static final String FORCE_CHARGE_BATTERY_TEXT =
             Settings.Secure.FORCE_CHARGE_BATTERY_TEXT;
+    private static final String TEXT_CHARGING_SYMBOL =
+            Settings.Secure.TEXT_CHARGING_SYMBOL;
 
     private BatteryController mBatteryController;
 
@@ -42,6 +44,9 @@ public class BatteryLevelTextView extends TextView implements
     private boolean mForceBatteryText;
     private boolean mForceChargeBatteryText;
     private boolean mBatteryCharging;
+    private int mTextChargingSymbol;
+    private int currentLevel;
+    private boolean isPlugged;
 
     public BatteryLevelTextView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -49,7 +54,9 @@ public BatteryLevelTextView(Context context, AttributeSet attrs) {
 
     @Override
     public void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {
-        setText(NumberFormat.getPercentInstance().format((double) level / 100.0));
+        currentLevel = level;
+        isPlugged = pluggedIn;
+        updateChargingSymbol(currentLevel, isPlugged);
         boolean changed = mBatteryCharging != charging;
         mBatteryCharging = charging;
         if (changed) {
@@ -65,7 +72,7 @@ public void setBatteryController(BatteryController batteryController) {
         mBatteryController = batteryController;
         mBatteryController.addStateChangedCallback(this);
         TunerService.get(getContext()).addTunable(this,
-                STATUS_BAR_SHOW_BATTERY_PERCENT, STATUS_BAR_BATTERY_STYLE, FORCE_CHARGE_BATTERY_TEXT);
+                STATUS_BAR_SHOW_BATTERY_PERCENT, STATUS_BAR_BATTERY_STYLE, FORCE_CHARGE_BATTERY_TEXT, TEXT_CHARGING_SYMBOL);
     }
 
     @Override
@@ -118,8 +125,31 @@ public void onTuningChanged(String key, String newValue) {
                         FORCE_CHARGE_BATTERY_TEXT, 1) == 1 ? true : false;
                 setVisibility((mBatteryCharging && mForceChargeBatteryText) || mRequestedVisibility || mForceBatteryText ? View.VISIBLE : View.GONE);
                 break;
+            case TEXT_CHARGING_SYMBOL:
+                updateChargingSymbol(currentLevel, isPlugged);
+                break;
             default:
                 break;
         }
     }
+
+    private void updateChargingSymbol(int level, boolean pluggedIn) {
+        mTextChargingSymbol = Settings.Secure.getInt(getContext().getContentResolver(),
+                TEXT_CHARGING_SYMBOL, 0);
+        if (pluggedIn) {
+            switch (mTextChargingSymbol) {
+                case 1:
+                    setText("⚡️" + NumberFormat.getPercentInstance().format((double) level / 100.0));
+                    break;
+                case 2:
+                    setText("~" + NumberFormat.getPercentInstance().format((double) level / 100.0));
+                    break;
+                default:
+                    setText(NumberFormat.getPercentInstance().format((double) level / 100.0));
+                    break;
+            }
+        } else {
+            setText(NumberFormat.getPercentInstance().format((double) level / 100.0));
+        }
+    }
 }