conversations-classic/src/main/java/eu/siacs/conversations/ui/TimePreference.java
2018-11-22 10:07:10 +01:00

99 lines
2.8 KiB
Java

package eu.siacs.conversations.ui;
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.DialogPreference;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TimePicker;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
public class TimePreference extends DialogPreference implements Preference.OnPreferenceChangeListener {
private TimePicker picker = null;
public final static long DEFAULT_VALUE = 0;
public TimePreference(final Context context, final AttributeSet attrs) {
super(context, attrs, 0);
this.setOnPreferenceChangeListener(this);
}
protected void setTime(final long time) {
persistLong(time);
notifyDependencyChange(shouldDisableDependents());
notifyChanged();
updateSummary(time);
}
private void updateSummary(final long time) {
final DateFormat dateFormat = android.text.format.DateFormat.getTimeFormat(getContext());
final Date date = minutesToCalender(time).getTime();
setSummary(dateFormat.format(date.getTime()));
}
@Override
protected View onCreateDialogView() {
picker = new TimePicker(getContext());
picker.setIs24HourView(android.text.format.DateFormat.is24HourFormat(getContext()));
return picker;
}
@SuppressWarnings("NullableProblems")
@Override
protected void onBindDialogView(final View v) {
super.onBindDialogView(v);
long time = getPersistedLong(DEFAULT_VALUE);
picker.setCurrentHour((int) ((time % (24 * 60)) / 60));
picker.setCurrentMinute((int) ((time % (24 * 60)) % 60));
}
@Override
protected void onDialogClosed(final boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult) {
setTime(picker.getCurrentHour() * 60 + picker.getCurrentMinute());
}
}
private static Calendar minutesToCalender(long time) {
final Calendar c = Calendar.getInstance();
c.set(Calendar.HOUR_OF_DAY, (int) ((time % (24 * 60)) / 60));
c.set(Calendar.MINUTE, (int) ((time % (24 * 60)) % 60));
return c;
}
public static long minutesToTimestamp(long time) {
return minutesToCalender(time).getTimeInMillis();
}
@Override
protected Object onGetDefaultValue(final TypedArray a, final int index) {
return a.getInteger(index, 0);
}
@Override
protected void onSetInitialValue(final boolean restorePersistedValue, final Object defaultValue) {
long time;
if (defaultValue instanceof Long) {
time = restorePersistedValue ? getPersistedLong((Long) defaultValue) : (Long) defaultValue;
} else {
time = restorePersistedValue ? getPersistedLong(DEFAULT_VALUE) : DEFAULT_VALUE;
}
setTime(time);
updateSummary(time);
}
@Override
public boolean onPreferenceChange(final Preference preference, final Object newValue) {
((TimePreference) preference).updateSummary((Long)newValue);
return true;
}
}