package com.gh.common.view;

import android.text.Spannable;
import android.text.method.LinkMovementMethod;
import android.view.MotionEvent;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.TextView;

public class CustomLinkMovementMethod extends LinkMovementMethod {
    
    @Override
    public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
        boolean b = super.onTouchEvent(widget, buffer, event);
        //解决点击事件冲突问题
        if (!b && event.getAction() == MotionEvent.ACTION_UP) {
            ViewParent parent = iterateViewParentForClicking(widget.getParent());//处理widget的父控件点击事件
            if (parent != null && parent instanceof ViewGroup) {
                return ((ViewGroup) parent).performClick();
            }
        }
        return b;
    }
    
    
    private ViewParent iterateViewParentForClicking(ViewParent parent) {
        if (parent instanceof ViewGroup) {
            if (((ViewGroup) parent).hasOnClickListeners()) {
                return parent;
            } else {
                return iterateViewParentForClicking(parent.getParent());
            }
        }
        return null;
    }
    
    public static CustomLinkMovementMethod getInstance() {
        if (sInstance == null) sInstance = new CustomLinkMovementMethod();
        
        return sInstance;
    }
    
    
    private static CustomLinkMovementMethod sInstance;
    
}