Refactor battery related feature provider

Merge BatteryInfoFeatureProvider to BatterySettingsFeatureProvider. Also
add a new string to indicate the unavailability when there's error
fetching the cycle count value.

Bug: 276399056
Test: robotests
Change-Id: Ic6a641d72d5bb295f2a0766dcebdcbe855d91125

src/com/android/settings/fuelgauge/BatterySettingsFeatureProvider.java

@@ -16,9 +16,19 @@
 
 package com.android.settings.fuelgauge;
 
-import android.content.ComponentName;
-
 /** Feature provider for battery settings usage. */
 public interface BatterySettingsFeatureProvider {
 
+    /** Returns true if manufacture date should be shown */
+    boolean isManufactureDateAvailable();
+
+    /** Returns true if first use date should be shown */
+    boolean isFirstUseDateAvailable();
+
+    /** Returns the summary of battery manufacture date */
+    CharSequence getManufactureDateSummary();
+
+    /** Returns the summary of battery first use date */
+    CharSequence getFirstUseDateSummary();
+
 }

src/com/android/settings/fuelgauge/BatterySettingsFeatureProviderImpl.java

@@ -17,13 +17,76 @@
 package com.android.settings.fuelgauge;
 
 import android.content.Context;
+import android.os.BatteryManager;
+
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.time.format.FormatStyle;
+import java.util.concurrent.TimeUnit;
 
 /** Feature provider implementation for battery settings usage. */
 public class BatterySettingsFeatureProviderImpl implements BatterySettingsFeatureProvider {
 
     protected Context mContext;
 
+    private BatteryManager mBatteryManager;
+    private long mManufactureDateInMs;
+    private long mFirstUseDateInMs;
+
     public BatterySettingsFeatureProviderImpl(Context context) {
         mContext = context.getApplicationContext();
+        mBatteryManager = mContext.getSystemService(BatteryManager.class);
+    }
+
+    @Override
+    public boolean isManufactureDateAvailable() {
+        return false;
+    }
+
+    @Override
+    public boolean isFirstUseDateAvailable() {
+        return false;
+    }
+
+    @Override
+    public CharSequence getManufactureDateSummary() {
+        return isManufactureDateAvailable()
+                ? getFormattedDate(getManufactureDate())
+                : null;
+    }
+
+    @Override
+    public CharSequence getFirstUseDateSummary() {
+        return isFirstUseDateAvailable()
+                ? getFormattedDate(getFirstUseDate())
+                : null;
+    }
+
+    protected long getManufactureDate() {
+        if (mManufactureDateInMs == 0L) {
+            final long manufactureDateInSec = mBatteryManager.getLongProperty(
+                    BatteryManager.BATTERY_PROPERTY_MANUFACTURING_DATE);
+            mManufactureDateInMs = TimeUnit.MILLISECONDS.convert(manufactureDateInSec,
+                    TimeUnit.SECONDS);
+        }
+        return mManufactureDateInMs;
+    }
+
+    protected long getFirstUseDate() {
+        if (mFirstUseDateInMs == 0L) {
+            final long firstUseDateInSec = mBatteryManager.getLongProperty(
+                    BatteryManager.BATTERY_PROPERTY_FIRST_USAGE_DATE);
+            mFirstUseDateInMs = TimeUnit.MILLISECONDS.convert(firstUseDateInSec, TimeUnit.SECONDS);
+        }
+        return mFirstUseDateInMs;
+    }
+
+    private CharSequence getFormattedDate(long dateInMs) {
+        final Instant instant = Instant.ofEpochMilli(dateInMs);
+        final String localDate = instant.atZone(ZoneId.systemDefault()).toLocalDate().format(
+                DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG));
+
+        return localDate;
     }
 }