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package org.mozilla.vrbrowser.ui.views;
import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.SeekBar;
import androidx.annotation.Nullable;
import org.mozilla.vrbrowser.R;
public class VolumeControl extends FrameLayout implements SeekBar.OnSeekBarChangeListener {
private SeekBar mSeekBar;
private double mVolume;
private boolean mMuted;
private boolean mTouching;
private Delegate mDelegate;
public VolumeControl(Context context) {
super(context);
initialize();
}
public VolumeControl(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
initialize();
}
public VolumeControl(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initialize();
}
public VolumeControl(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
initialize();
}
@SuppressLint("ClickableViewAccessibility")
private void initialize() {
inflate(getContext(), R.layout.volume_control, this);
mSeekBar = findViewById(R.id.volumeSeekBar);
mSeekBar.setProgress(100);
mSeekBar.setOnSeekBarChangeListener(this);
mSeekBar.setOnTouchListener((v, event) -> {
if ((event.getAction() == MotionEvent.ACTION_UP) || (event.getAction() == MotionEvent.ACTION_CANCEL)) {
if ((event.getAction() == MotionEvent.ACTION_CANCEL) && (mDelegate != null)) {
mDelegate.onSeekBarActionCancelled();
}
return true;
}
return false;
});
}
public void setDelegate(Delegate aDelegate) {
mDelegate = aDelegate;
}
public void setVolume(double aVolume) {
mVolume = aVolume;
if (!mTouching) {
updateProgress();
}
}
public void setMuted(boolean aMuted) {
if (mMuted == aMuted) {
return;
}
mMuted = aMuted;
if (mMuted && !mTouching) {
mSeekBar.setProgress(0);
} else if (!mMuted) {
updateProgress();
}
}
private void updateProgress() {
mSeekBar.setProgress((int) (mVolume * mSeekBar.getMax()));
}
// SeekBar.OnSeekBarChangeListener
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser && mDelegate != null) {
mDelegate.onVolumeChange((double) progress / (double) seekBar.getMax());
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
mTouching = true;
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
mTouching = false;
}
public interface Delegate {
void onVolumeChange(double aVolume);
void onSeekBarActionCancelled();
}
}