mirror of https://github.com/NekoX-Dev/NekoX.git
91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
/*
|
|
* This is the source code of Telegram for Android v. 1.3.2.
|
|
* It is licensed under GNU GPL v. 2 or later.
|
|
* You should have received a copy of the license in this archive (see LICENSE).
|
|
*
|
|
* Copyright Nikolai Kudashov, 2013.
|
|
*/
|
|
|
|
package org.telegram.ui.Components;
|
|
|
|
import android.annotation.SuppressLint;
|
|
import android.content.Context;
|
|
import android.util.AttributeSet;
|
|
import android.view.MotionEvent;
|
|
import android.view.View;
|
|
import android.widget.ListView;
|
|
|
|
public class LayoutListView extends ListView {
|
|
|
|
public interface OnInterceptTouchEventListener {
|
|
boolean onInterceptTouchEvent(MotionEvent event);
|
|
}
|
|
|
|
private OnInterceptTouchEventListener onInterceptTouchEventListener;
|
|
private int height = -1;
|
|
private int forceTop = Integer.MIN_VALUE;
|
|
|
|
public LayoutListView(Context context) {
|
|
super(context);
|
|
}
|
|
|
|
public LayoutListView(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
}
|
|
|
|
public LayoutListView(Context context, AttributeSet attrs, int defStyle) {
|
|
super(context, attrs, defStyle);
|
|
}
|
|
|
|
public void setOnInterceptTouchEventListener(OnInterceptTouchEventListener listener) {
|
|
onInterceptTouchEventListener = listener;
|
|
}
|
|
|
|
public void setForceTop(int value) {
|
|
forceTop = value;
|
|
}
|
|
|
|
@Override
|
|
public boolean onInterceptTouchEvent(MotionEvent ev) {
|
|
if (onInterceptTouchEventListener != null) {
|
|
return onInterceptTouchEventListener.onInterceptTouchEvent(ev) || super.onInterceptTouchEvent(ev);
|
|
}
|
|
return super.onInterceptTouchEvent(ev);
|
|
}
|
|
|
|
@SuppressLint("DrawAllocation")
|
|
@Override
|
|
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
|
|
View v = getChildAt(getChildCount() - 1);
|
|
int scrollTo = getLastVisiblePosition();
|
|
if (v != null && height > 0 && changed && ((bottom - top) < height)) {
|
|
int lastTop = forceTop == Integer.MIN_VALUE ? (bottom - top) - (height - v.getTop()) - getPaddingTop() : forceTop;
|
|
forceTop = Integer.MIN_VALUE;
|
|
setSelectionFromTop(scrollTo, lastTop);
|
|
super.onLayout(changed, left, top, right, bottom);
|
|
|
|
// post(new Runnable() {
|
|
// @Override
|
|
// public void run() {
|
|
// try {
|
|
// setSelectionFromTop(scrollTo, lastTop);
|
|
// } catch (Exception e) {
|
|
// e.printStackTrace();
|
|
// }
|
|
// }
|
|
// });
|
|
} else {
|
|
if (forceTop != Integer.MIN_VALUE) {
|
|
setSelectionFromTop(scrollTo, forceTop);
|
|
forceTop = Integer.MIN_VALUE;
|
|
}
|
|
try {
|
|
super.onLayout(changed, left, top, right, bottom);
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
height = (bottom - top);
|
|
}
|
|
}
|