85 lines
2.1 KiB
Java

package org.thoughtcrime.securesms.components;
import android.content.Context;
import android.support.v7.widget.AppCompatImageButton;
import android.util.AttributeSet;
import android.view.HapticFeedbackConstants;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
public class RepeatableImageKey extends AppCompatImageButton {
private KeyEventListener listener;
public RepeatableImageKey(Context context) {
super(context);
init();
}
public RepeatableImageKey(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public RepeatableImageKey(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
private void init() {
setOnClickListener(new RepeaterClickListener());
setOnTouchListener(new RepeaterTouchListener());
}
public void setOnKeyEventListener(KeyEventListener listener) {
this.listener = listener;
}
private void notifyListener() {
if (this.listener != null) this.listener.onKeyEvent();
}
private class RepeaterClickListener implements OnClickListener {
@Override public void onClick(View v) {
notifyListener();
}
}
private class Repeater implements Runnable {
@Override
public void run() {
notifyListener();
postDelayed(this, ViewConfiguration.getKeyRepeatDelay());
}
}
private class RepeaterTouchListener implements OnTouchListener {
private final Repeater repeater;
RepeaterTouchListener() {
this.repeater = new Repeater();
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_DOWN:
view.postDelayed(repeater, ViewConfiguration.getKeyRepeatTimeout());
performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP);
return false;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
view.removeCallbacks(repeater);
return false;
default:
return false;
}
}
}
public interface KeyEventListener {
void onKeyEvent();
}
}