frameworks: add DaylightSavingTime.java [1/1]

PD# 157786

add DaylightSavingTime.java

Change-Id: Ic9591b3a817ac75837300bad32333b4d9716a3a7

1 files changed, 118 insertions, 0 deletions

diff --git a/core/java/com/droidlogic/app/DaylightSavingTime.java b/core/java/com/droidlogic/app/DaylightSavingTime.java
new file mode 100644
index 0000000..2003aee
--- a/dev/null
+++ b/core/java/com/droidlogic/app/DaylightSavingTime.java
@@ -0,0 +1,118 @@
+package com.droidlogic.app;
+
+import android.os.SystemClock;
+import android.os.ServiceManager;
+import android.app.AlarmManager;
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.BroadcastReceiver;
+import android.util.Log;
+import android.text.TextUtils;
+import android.provider.Settings;
+import android.provider.Settings.SettingNotFoundException;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.TimeZone;
+import java.lang.String;
+
+public class DaylightSavingTime {
+
+    private static final String TAG = "DaylightSavingTime";
+
+    private static final String DAYLIGHT_SAVING_TIME = "persist.sys.daylight.saving";
+    private static final String IN_DAYLIGHT_SAVING_TIME = "persist.sys.in.daylight.saving";
+    private static final int DAYLIGHT_TIME_AUTO = 0;
+    private static final int DAYLIGHT_TIME_ON = 1;
+    private static final int DAYLIGHT_TIME_OFF = 2;
+    private static final int DEFAULT_DAYLIGHT_TIME = DAYLIGHT_TIME_OFF;
+    private static final int DEFAULT_IN_DAYLIGHT_TIME = 0;
+
+    private SystemControlManager mSystemControlManager;
+    private static DaylightSavingTime mDaylightSavingTime = null;
+
+    private DaylightSavingTime() {
+        mSystemControlManager = new SystemControlManager(null);
+    }
+
+    public static synchronized DaylightSavingTime getInstance() {
+
+        if (mDaylightSavingTime == null) {
+            mDaylightSavingTime = new DaylightSavingTime();
+        }
+
+        return mDaylightSavingTime;
+    }
+
+    public void setDaylightSavingTime(int value) {
+
+        Calendar calendar = Calendar.getInstance();
+        boolean isInDaylightTimeZone = calendar.getTimeZone().
+                inDaylightTime(calendar.getTime());
+        boolean hasInDaylightTime = hasInDaylightSavingTime();
+
+        Log.d(TAG, "setDaylightSavingTime = " + value);
+        Log.d(TAG, "hasInDaylightTime = " + hasInDaylightTime);
+        Log.d(TAG, "isInDaylightTimeZone = " + isInDaylightTimeZone);
+
+        if (value == DAYLIGHT_TIME_AUTO) {
+            if (isInDaylightTimeZone && !hasInDaylightTime) {
+                updateDaylightSavingTime(calendar, 1);
+            } else if (!isInDaylightTimeZone && hasInDaylightTime) {
+                updateDaylightSavingTime(calendar, -1);
+            }
+        } else if (value == DAYLIGHT_TIME_ON) {
+            if (!hasInDaylightTime) {
+                updateDaylightSavingTime(calendar, 1);
+            }
+        } else if (value == DAYLIGHT_TIME_OFF) {
+            if (hasInDaylightTime) {
+                updateDaylightSavingTime(calendar, -1);
+            }
+        } else {
+            Log.d(TAG, "setDaylightSavingTime error value!!!");
+            return;
+        }
+
+        mSystemControlManager.setProperty(DAYLIGHT_SAVING_TIME, String.valueOf(value));
+    }
+
+    public int getDaylightSavingTime() {
+        int value = mSystemControlManager.getPropertyInt(DAYLIGHT_SAVING_TIME,
+                DEFAULT_DAYLIGHT_TIME);
+
+        return value;
+    }
+
+    public boolean hasInDaylightSavingTime() {
+        int value = mSystemControlManager.getPropertyInt(IN_DAYLIGHT_SAVING_TIME,
+                DEFAULT_IN_DAYLIGHT_TIME);
+
+        return (value == 1);
+    }
+
+    public synchronized void updateDaylightSavingTime(Calendar calendar, int diff) {
+
+        calendar.add(Calendar.HOUR, diff);
+        //AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
+        //alarmManager.setTime(calendar.getTimeInMillis());
+        SystemClock.setCurrentTimeMillis(calendar.getTimeInMillis());
+        mSystemControlManager.setProperty(IN_DAYLIGHT_SAVING_TIME,
+                String.valueOf((diff == 1) ? 1 : 0));
+    }
+
+    public void updateDaylightSavingTimeForce() {
+        Log.d(TAG, "updateDaylightSavingTimeForce");
+
+        int daylightTime = getDaylightSavingTime();
+        Calendar calendar = Calendar.getInstance();
+        boolean isInDaylightTimeZone = calendar.getTimeZone().inDaylightTime(calendar.getTime());
+
+        if ((isInDaylightTimeZone && daylightTime == DAYLIGHT_TIME_AUTO)
+                || daylightTime == DAYLIGHT_TIME_ON) {
+            updateDaylightSavingTime(calendar, 1);
+        }
+    }
+}