1 files changed, 99 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/TimePreference.java b/src/main/java/eu/siacs/conversations/ui/TimePreference.java
new file mode 100644
index 000000000..44a362243
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/TimePreference.java
@@ -0,0 +1,99 @@
+package eu.siacs.conversations.ui;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.preference.DialogPreference;
+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 {
+	private TimePicker picker = null;
+	public final static long DEFAULT_VALUE = 0;
+
+	public TimePreference(final Context context, final AttributeSet attrs) {
+		super(context, attrs, 0);
+	}
+
+	protected void setTime(final long time) {
+		persistLong(time);
+		notifyDependencyChange(shouldDisableDependents());
+		notifyChanged();
+	}
+
+	protected void updateSummary() {
+		final long time = getPersistedLong(DEFAULT_VALUE);
+		final DateFormat dateFormat = android.text.format.DateFormat.getTimeFormat(getContext());
+		final Date date = new Date(time);
+		setSummary(dateFormat.format(date.getTime()));
+	}
+
+	@Override
+	protected View onCreateDialogView() {
+		picker = new TimePicker(getContext());
+		picker.setIs24HourView(android.text.format.DateFormat.is24HourFormat(getContext()));
+		return picker;
+	}
+
+	protected Calendar getPersistedTime() {
+		final Calendar c = Calendar.getInstance();
+		c.setTimeInMillis(getPersistedLong(DEFAULT_VALUE));
+
+		return c;
+	}
+
+	@SuppressWarnings("NullableProblems")
+	@Override
+	protected void onBindDialogView(final View v) {
+		super.onBindDialogView(v);
+		final Calendar c = getPersistedTime();
+
+		picker.setCurrentHour(c.get(Calendar.HOUR_OF_DAY));
+		picker.setCurrentMinute(c.get(Calendar.MINUTE));
+	}
+
+	@Override
+	protected void onDialogClosed(final boolean positiveResult) {
+		super.onDialogClosed(positiveResult);
+
+		if (positiveResult) {
+			final Calendar c = Calendar.getInstance();
+			c.set(Calendar.MINUTE, picker.getCurrentMinute());
+			c.set(Calendar.HOUR_OF_DAY, picker.getCurrentHour());
+
+
+			if (!callChangeListener(c.getTimeInMillis())) {
+				return;
+			}
+
+			setTime(c.getTimeInMillis());
+			updateSummary();
+		}
+	}
+
+	@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 == null) {
+			time = restorePersistedValue ? getPersistedLong(DEFAULT_VALUE) : DEFAULT_VALUE;
+		} else if (defaultValue instanceof Long) {
+			time = restorePersistedValue ? getPersistedLong((Long) defaultValue) : (Long) defaultValue;
+		} else if (defaultValue instanceof Calendar) {
+			time = restorePersistedValue ? getPersistedLong(((Calendar)defaultValue).getTimeInMillis()) : ((Calendar)defaultValue).getTimeInMillis();
+		} else {
+			time = restorePersistedValue ? getPersistedLong(DEFAULT_VALUE) : DEFAULT_VALUE;
+		}
+
+		setTime(time);
+		updateSummary();
+	}
+}