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/*
* Copyright (C) 2012 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.keyguard;
import android.app.ActivityManager;
import android.app.AlarmManager;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.UserHandle;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Slog;
import android.util.TypedValue;
import android.view.View;
import android.widget.GridLayout;
import android.widget.TextClock;
import android.widget.TextView;
import com.android.internal.widget.LockPatternUtils;
import java.util.Locale;
public class KeyguardStatusView extends GridLayout {
private static final boolean DEBUG = KeyguardConstants.DEBUG;
private static final String TAG = "KeyguardStatusView";
private final LockPatternUtils mLockPatternUtils;
private final AlarmManager mAlarmManager;
private TextView mAlarmStatusView;
private TextClock mDateView;
private TextClock mClockView;
private TextView mOwnerInfo;
private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
@Override
public void onTimeChanged() {
refresh();
}
@Override
public void onKeyguardVisibilityChanged(boolean showing) {
if (showing) {
if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
refresh();
updateOwnerInfo();
}
}
@Override
public void onStartedWakingUp() {
setEnableMarquee(true);
}
@Override
public void onFinishedGoingToSleep(int why) {
setEnableMarquee(false);
}
@Override
public void onUserSwitchComplete(int userId) {
refresh();
updateOwnerInfo();
}
};
public KeyguardStatusView(Context context) {
this(context, null, 0);
}
public KeyguardStatusView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
mLockPatternUtils = new LockPatternUtils(getContext());
}
private void setEnableMarquee(boolean enabled) {
if (DEBUG) Log.v(TAG, (enabled ? "Enable" : "Disable") + " transport text marquee");
if (mAlarmStatusView != null) mAlarmStatusView.setSelected(enabled);
if (mOwnerInfo != null) mOwnerInfo.setSelected(enabled);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
mDateView = (TextClock) findViewById(R.id.date_view);
mClockView = (TextClock) findViewById(R.id.clock_view);
mDateView.setShowCurrentUserTime(true);
mClockView.setShowCurrentUserTime(true);
mOwnerInfo = (TextView) findViewById(R.id.owner_info);
boolean shouldMarquee = KeyguardUpdateMonitor.getInstance(mContext).isDeviceInteractive();
setEnableMarquee(shouldMarquee);
refresh();
updateOwnerInfo();
// Disable elegant text height because our fancy colon makes the ymin value huge for no
// reason.
mClockView.setElegantTextHeight(false);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
mClockView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimensionPixelSize(R.dimen.widget_big_font_size));
mDateView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
mOwnerInfo.setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
}
public void refreshTime() {
mDateView.setFormat24Hour(Patterns.dateView);
mDateView.setFormat12Hour(Patterns.dateView);
mClockView.setFormat12Hour(Patterns.clockView12);
mClockView.setFormat24Hour(Patterns.clockView24);
}
private void refresh() {
AlarmManager.AlarmClockInfo nextAlarm =
mAlarmManager.getNextAlarmClock(UserHandle.USER_CURRENT);
Patterns.update(mContext, nextAlarm != null);
refreshTime();
refreshAlarmStatus(nextAlarm);
}
void refreshAlarmStatus(AlarmManager.AlarmClockInfo nextAlarm) {
if (nextAlarm != null) {
String alarm = formatNextAlarm(mContext, nextAlarm);
mAlarmStatusView.setText(alarm);
mAlarmStatusView.setContentDescription(
getResources().getString(R.string.keyguard_accessibility_next_alarm, alarm));
mAlarmStatusView.setVisibility(View.VISIBLE);
} else {
mAlarmStatusView.setVisibility(View.GONE);
}
}
public static String formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info) {
if (info == null) {
return "";
}
String skeleton = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser())
? "EHm"
: "Ehma";
String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
return DateFormat.format(pattern, info.getTriggerTime()).toString();
}
private void updateOwnerInfo() {
if (mOwnerInfo == null) return;
String ownerInfo = getOwnerInfo();
if (!TextUtils.isEmpty(ownerInfo)) {
mOwnerInfo.setVisibility(View.VISIBLE);
mOwnerInfo.setText(ownerInfo);
} else {
mOwnerInfo.setVisibility(View.GONE);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
}
private String getOwnerInfo() {
ContentResolver res = getContext().getContentResolver();
String info = null;
final boolean ownerInfoEnabled = mLockPatternUtils.isOwnerInfoEnabled(
KeyguardUpdateMonitor.getCurrentUser());
if (ownerInfoEnabled) {
info = mLockPatternUtils.getOwnerInfo(KeyguardUpdateMonitor.getCurrentUser());
}
return info;
}
@Override
public boolean hasOverlappingRendering() {
return false;
}
// DateFormat.getBestDateTimePattern is extremely expensive, and refresh is called often.
// This is an optimization to ensure we only recompute the patterns when the inputs change.
private static final class Patterns {
static String dateView;
static String clockView12;
static String clockView24;
static String cacheKey;
static void update(Context context, boolean hasAlarm) {
final Locale locale = Locale.getDefault();
final Resources res = context.getResources();
final String dateViewSkel = res.getString(hasAlarm
? R.string.abbrev_wday_month_day_no_year_alarm
: R.string.abbrev_wday_month_day_no_year);
final String clockView12Skel = res.getString(R.string.clock_12hr_format);
final String clockView24Skel = res.getString(R.string.clock_24hr_format);
final String key = locale.toString() + dateViewSkel + clockView12Skel + clockView24Skel;
if (key.equals(cacheKey)) return;
dateView = DateFormat.getBestDateTimePattern(locale, dateViewSkel);
clockView12 = DateFormat.getBestDateTimePattern(locale, clockView12Skel);
// CLDR insists on adding an AM/PM indicator even though it wasn't in the skeleton
// format. The following code removes the AM/PM indicator if we didn't want it.
if (!clockView12Skel.contains("a")) {
clockView12 = clockView12.replaceAll("a", "").trim();
}
clockView24 = DateFormat.getBestDateTimePattern(locale, clockView24Skel);
// Use fancy colon.
clockView24 = clockView24.replace(':', '\uee01');
clockView12 = clockView12.replace(':', '\uee01');
cacheKey = key;
}
}
}
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