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/*
* Copyright (C) 2019 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.widget;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.core.content.res.TypedArrayUtils;
import androidx.preference.PreferenceViewHolder;
import com.android.settings.R;
/** A slider preference with left and right labels **/
public class LabeledSeekBarPreference extends SeekBarPreference {
private final int mTextStartId;
private final int mTextEndId;
private final int mTickMarkId;
private OnPreferenceChangeListener mStopListener;
@Nullable
private CharSequence mSummary;
public LabeledSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
setLayoutResource(R.layout.preference_labeled_slider);
final TypedArray styledAttrs = context.obtainStyledAttributes(attrs,
R.styleable.LabeledSeekBarPreference);
mTextStartId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_textStart,
R.string.summary_placeholder);
mTextEndId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_textEnd,
R.string.summary_placeholder);
mTickMarkId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_tickMark, /* defValue= */ 0);
mSummary = styledAttrs.getText(R.styleable.Preference_android_summary);
styledAttrs.recycle();
}
public LabeledSeekBarPreference(Context context, AttributeSet attrs) {
this(context, attrs, TypedArrayUtils.getAttr(context,
androidx.preference.R.attr.seekBarPreferenceStyle,
com.android.internal.R.attr.seekBarPreferenceStyle), 0);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final TextView startText = (TextView) holder.findViewById(android.R.id.text1);
final TextView endText = (TextView) holder.findViewById(android.R.id.text2);
startText.setText(mTextStartId);
endText.setText(mTextEndId);
if (mTickMarkId != 0) {
final Drawable tickMark = getContext().getDrawable(mTickMarkId);
final SeekBar seekBar = (SeekBar) holder.findViewById(
com.android.internal.R.id.seekbar);
seekBar.setTickMark(tickMark);
}
final TextView summary = (TextView) holder.findViewById(android.R.id.summary);
if (mSummary != null) {
summary.setText(mSummary);
summary.setVisibility(View.VISIBLE);
} else {
summary.setText(null);
summary.setVisibility(View.GONE);
}
}
public void setOnPreferenceChangeStopListener(OnPreferenceChangeListener listener) {
mStopListener = listener;
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
super.onStopTrackingTouch(seekBar);
if (mStopListener != null) {
mStopListener.onPreferenceChange(this, seekBar.getProgress());
}
}
@Override
public void setSummary(CharSequence summary) {
super.setSummary(summary);
mSummary = summary;
notifyChanged();
}
@Override
public void setSummary(int summaryResId) {
super.setSummary(summaryResId);
mSummary = getContext().getText(summaryResId);
notifyChanged();
}
@Override
public CharSequence getSummary() {
return mSummary;
}
}
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