/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.Button;
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import androidx.annotation.VisibleForTesting;
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import androidx.core.content.res.TypedArrayUtils;
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import com.android.settings.R;
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import com.android.settingslib.widget.LayoutPreference;
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/**
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* Preference that presents a button with two states(On vs Off)
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*/
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public class TwoStateButtonPreference extends LayoutPreference implements
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View.OnClickListener {
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private boolean mIsChecked;
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private final Button mButtonOn;
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private final Button mButtonOff;
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public TwoStateButtonPreference(Context context, AttributeSet attrs) {
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super(context, attrs, TypedArrayUtils.getAttr(
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context, R.attr.twoStateButtonPreferenceStyle, android.R.attr.preferenceStyle));
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if (attrs == null) {
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mButtonOn = null;
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mButtonOff = null;
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} else {
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final TypedArray styledAttrs = context.obtainStyledAttributes(attrs,
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R.styleable.TwoStateButtonPreference);
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final int textOnId = styledAttrs.getResourceId(
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R.styleable.TwoStateButtonPreference_textOn,
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R.string.summary_placeholder);
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final int textOffId = styledAttrs.getResourceId(
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R.styleable.TwoStateButtonPreference_textOff,
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R.string.summary_placeholder);
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styledAttrs.recycle();
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mButtonOn = findViewById(R.id.state_on_button);
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mButtonOn.setText(textOnId);
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mButtonOn.setOnClickListener(this);
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mButtonOff = findViewById(R.id.state_off_button);
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mButtonOff.setText(textOffId);
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mButtonOff.setOnClickListener(this);
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setChecked(isChecked());
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}
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}
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@Override
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public void onClick(View v) {
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final boolean stateOn = v.getId() == R.id.state_on_button;
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setChecked(stateOn);
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callChangeListener(stateOn);
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}
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public void setChecked(boolean checked) {
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// Update state
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mIsChecked = checked;
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// And update UI
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if (checked) {
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mButtonOn.setVisibility(View.GONE);
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mButtonOff.setVisibility(View.VISIBLE);
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} else {
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mButtonOn.setVisibility(View.VISIBLE);
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mButtonOff.setVisibility(View.GONE);
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}
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}
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public boolean isChecked() {
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return mIsChecked;
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}
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public void setButtonEnabled(boolean enabled) {
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mButtonOn.setEnabled(enabled);
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mButtonOff.setEnabled(enabled);
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}
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@VisibleForTesting
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public Button getStateOnButton() {
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return mButtonOn;
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}
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@VisibleForTesting
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public Button getStateOffButton() {
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return mButtonOff;
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}
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}
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