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/*
* Copyright (C) 2016 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 org.chromium.latency.walt;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.preference.DialogPreference;
import androidx.preference.PreferenceDialogFragmentCompat;
public class NumberPickerPreference extends DialogPreference {
private boolean isInitSet = false;
private int currentValue;
private int maxValue;
private int minValue;
private static final int DEFAULT_value = 0;
private static final int DEFAULT_maxValue = 0;
private static final int DEFAULT_minValue = 0;
private final String defaultSummary;
public NumberPickerPreference(Context context, AttributeSet attrs) {
super(context, attrs);
defaultSummary = getSummary().toString();
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumberPickerPreference);
try {
maxValue = a.getInt(R.styleable.NumberPickerPreference_maxValue, DEFAULT_maxValue);
minValue = a.getInt(R.styleable.NumberPickerPreference_minValue, DEFAULT_minValue);
} finally {
a.recycle();
}
setDialogLayoutResource(R.layout.numberpicker_dialog);
setPositiveButtonText(android.R.string.ok);
setNegativeButtonText(android.R.string.cancel);
setDialogIcon(null);
}
public int getValue() {
return currentValue;
}
public void setValue(int value) {
boolean changed = (currentValue != value);
if (changed || !isInitSet) {
isInitSet = true;
currentValue = value;
persistInt(currentValue);
setSummary(String.format(defaultSummary, getValue()));
}
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
return a.getInt(index, DEFAULT_value);
}
@Override
protected void onSetInitialValue(Object defaultValue) {
setValue((Integer) defaultValue);
}
public static class NumberPickerPreferenceDialogFragmentCompat
extends PreferenceDialogFragmentCompat {
private static final String SAVE_STATE_VALUE = "NumberPickerPreferenceDialogFragment.value";
private CustomNumberPicker picker;
private int currentValue = 1;
public NumberPickerPreferenceDialogFragmentCompat() {
}
public static NumberPickerPreferenceDialogFragmentCompat newInstance(String key) {
NumberPickerPreferenceDialogFragmentCompat fragment =
new NumberPickerPreferenceDialogFragmentCompat();
Bundle b = new Bundle(1);
b.putString(ARG_KEY, key);
fragment.setArguments(b);
return fragment;
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState == null) {
currentValue = getNumberPickerPreference().getValue();
} else {
currentValue = savedInstanceState.getInt(SAVE_STATE_VALUE);
}
}
public void onSaveInstanceState(@NonNull Bundle outState) {
outState.putInt(SAVE_STATE_VALUE, currentValue);
}
private NumberPickerPreference getNumberPickerPreference() {
return (NumberPickerPreference) this.getPreference();
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
picker = (CustomNumberPicker) view.findViewById(R.id.numpicker_pref);
picker.setMaxValue(getNumberPickerPreference().maxValue);
picker.setMinValue(getNumberPickerPreference().minValue);
picker.setValue(currentValue);
}
@Override
public void onDialogClosed(boolean b) {
if (b) {
int value = picker.getValue();
if(getPreference().callChangeListener(value)) {
getNumberPickerPreference().setValue(value);
}
}
}
}
}
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