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/*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.statusbar.policy;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.TypedArray;
import android.text.format.DateFormat;
import android.util.AttributeSet;
import android.widget.TextView;
import com.android.systemui.R;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class DateView extends TextView {
private static final String TAG = "DateView";
private final Date mCurrentTime = new Date();
private SimpleDateFormat mDateFormat;
private String mLastText;
private String mDatePattern;
private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_TIME_TICK.equals(action)
|| Intent.ACTION_TIME_CHANGED.equals(action)
|| Intent.ACTION_TIMEZONE_CHANGED.equals(action)
|| Intent.ACTION_LOCALE_CHANGED.equals(action)) {
if (Intent.ACTION_LOCALE_CHANGED.equals(action)
|| Intent.ACTION_TIMEZONE_CHANGED.equals(action)) {
// need to get a fresh date format
mDateFormat = null;
}
updateClock();
}
}
};
public DateView(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
R.styleable.DateView,
0, 0);
try {
mDatePattern = a.getString(R.styleable.DateView_datePattern);
} finally {
a.recycle();
}
if (mDatePattern == null) {
mDatePattern = getContext().getString(R.string.system_ui_date_pattern);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_TIME_TICK);
filter.addAction(Intent.ACTION_TIME_CHANGED);
filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
filter.addAction(Intent.ACTION_LOCALE_CHANGED);
getContext().registerReceiver(mIntentReceiver, filter, null, null);
updateClock();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mDateFormat = null; // reload the locale next time
getContext().unregisterReceiver(mIntentReceiver);
}
protected void updateClock() {
if (mDateFormat == null) {
final Locale l = Locale.getDefault();
final String fmt = DateFormat.getBestDateTimePattern(l, mDatePattern);
mDateFormat = new SimpleDateFormat(fmt, l);
}
mCurrentTime.setTime(System.currentTimeMillis());
final String text = getDateFormat();
if (!text.equals(mLastText)) {
setText(text);
mLastText = text;
}
}
private String getDateFormat() {
if (getContext().getResources().getBoolean(
com.android.internal.R.bool.def_custom_dateformat)) {
return DateFormat.getDateFormat(getContext()).format(mCurrentTime);
} else {
return mDateFormat.format(mCurrentTime);
}
}
}
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