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/*
* Copyright (C) 2018 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.settings.wifi.calling;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.TypedArray;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.RadioButton;
import android.widget.TextView;
import androidx.appcompat.app.AlertDialog.Builder;
import com.android.settings.CustomListPreference;
import com.android.settings.R;
/**
* ListPreference contain the entry summary.
*/
public class ListWithEntrySummaryPreference extends CustomListPreference {
private static final String LOG_TAG = "ListWithEntrySummaryPreference";
private final Context mContext;
private CharSequence[] mSummaries;
/**
* ListWithEntrySummaryPreference constructor.
*
* @param context The context of view.
* @param attrs The attributes of the XML tag that is inflating the linear layout.
*/
public ListWithEntrySummaryPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
TypedArray array = context.obtainStyledAttributes(attrs,
R.styleable.ListWithEntrySummaryPreference, 0, 0);
mSummaries = array.getTextArray(R.styleable.ListWithEntrySummaryPreference_entrySummaries);
array.recycle();
}
/**
* Sets the summaries of mode items to be shown in the mode select dialog.
*
* @param summariesResId The summaries of mode items.
*/
public void setEntrySummaries(int summariesResId) {
mSummaries = getContext().getResources().getTextArray(summariesResId);
}
/**
* Sets the summaries of mode items to be shown in the mode select dialog.
*
* @param summaries The summaries of mode items.
*/
public void setEntrySummaries(CharSequence[] summaries) {
mSummaries = summaries;
}
private CharSequence getEntrySummary(int index) {
if (mSummaries == null) {
Log.w(LOG_TAG, "getEntrySummary : mSummaries is null");
return "";
}
return mSummaries[index];
}
@Override
protected void onPrepareDialogBuilder(Builder builder,
DialogInterface.OnClickListener listener) {
ListAdapter la = (ListAdapter) new SelectorAdapter(mContext,
R.xml.single_choice_list_item_2, this);
builder.setSingleChoiceItems(la, findIndexOfValue(getValue()), listener);
super.onPrepareDialogBuilder(builder, listener);
}
private static class SelectorAdapter extends ArrayAdapter<CharSequence> {
private final Context mContext;
private ListWithEntrySummaryPreference mSelector;
/**
* SelectorAdapter constructor.
*
* @param context The current context.
* @param rowResourceId The resource id of the XML tag that is inflating the linear layout.
* @param listPreference The instance of ListWithEntrySummaryPreference.
*/
public SelectorAdapter(Context context, int rowResourceId,
ListWithEntrySummaryPreference listPreference) {
super(context, rowResourceId, listPreference.getEntryValues());
mContext = context;
mSelector = listPreference;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = LayoutInflater.from(mContext);
View row = inflater.inflate(R.xml.single_choice_list_item_2, parent, false);
TextView title = (TextView) row.findViewById(R.id.title);
title.setText(mSelector.getEntries()[position]);
TextView summary = (TextView) row.findViewById(R.id.summary);
summary.setText(mSelector.getEntrySummary(position));
RadioButton rb = (RadioButton) row.findViewById(R.id.radio);
if (position == mSelector.findIndexOfValue(mSelector.getValue())) {
rb.setChecked(true);
}
return row;
}
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
final SavedState myState = new SavedState(superState);
myState.mEntries = getEntries();
myState.mEntryValues = getEntryValues();
myState.mSummaries = mSummaries;
return myState;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state == null || !state.getClass().equals(SavedState.class)) {
// Didn't save state for us in onSaveInstanceState
super.onRestoreInstanceState(state);
return;
}
SavedState myState = (SavedState) state;
super.onRestoreInstanceState(myState.getSuperState());
setEntries(myState.mEntries);
setEntryValues(myState.mEntryValues);
mSummaries = myState.mSummaries;
}
/**
* We save entries, entryValues and summaries into bundle.
* At onCreate of fragment, dialog will be restored if it was open. In this case,
* we need to restore entries, entryValues and summaries. Without those information,
* crash when entering multi window during wfc modes dialog shown.
*/
private static class SavedState extends BaseSavedState {
private CharSequence[] mEntries;
private CharSequence[] mEntryValues;
private CharSequence[] mSummaries;
public SavedState(Parcel source) {
super(source);
mEntries = source.readCharSequenceArray();
mEntryValues = source.readCharSequenceArray();
mSummaries = source.readCharSequenceArray();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeCharSequenceArray(mEntries);
dest.writeCharSequenceArray(mEntryValues);
dest.writeCharSequenceArray(mSummaries);
}
public SavedState(Parcelable superState) {
super(superState);
}
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
@Override
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
}
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