package com.example.ztest2;

import java.lang.ref.WeakReference;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.ClipDrawable;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;

public class YXClipProgress extends FrameLayout{
	/**
	 * ClipDrawable-level的最大值，範圍在0-10000之間，0 不顯示，10000充分顯示
	 * 可以類比progress  即progress = MAX_PROGRESS/100;
	 */
	private static final int MAX_PROGRESS = 10000;
	
	/* 是否自動增加進度  */
	private boolean auto_runing;
	
	private static final int MESSAGE_WHAT = 0x123456;
	private ClipDrawable mClipDrawable;
	private int mProgress;
	private PHandler handler = null;
	
	
	/**
	 * 設定進度值
	 * @param progress	進度值0-100
	 */
	public void setYXProgress(int progress){
		auto_runing = false;
		handler.sendEmptyMessage(MESSAGE_WHAT);
		this.mProgress = (progress * 100);
	}
	
	/**
	 * stop
	 */
	public void stop(){
		mProgress = 0;
		auto_runing = false;
	}
	
	public YXClipProgress(Context context) {
		this(context,null);
		// TODO Auto-generated constructor stub
	}
	
	public YXClipProgress(Context context, AttributeSet attrs) {
		this(context, attrs,0);
		// TODO Auto-generated constructor stub
	}
	
	public YXClipProgress(Context context, AttributeSet set, int defStyle) {
		super(context, set, defStyle);
		// TODO Auto-generated constructor stub
		customInitAttribute(context,set,0);
		initThread(context);
	}
	
	private void initThread(Context context) {
		// TODO Auto-generated method stub
		new Thread(new Runnable() {
			@Override
			public void run() {
				while(auto_runing){
					handler.sendEmptyMessage(MESSAGE_WHAT);
					if(mProgress>MAX_PROGRESS){
						mProgress = 0;
					}
					mProgress += 100;
					try {
						Thread.sleep(50);
					} catch (Exception e) {
						e.printStackTrace();
					}
				}
			}
		}).start();
	}
	
	private void customInitAttribute(Context context, AttributeSet set, int defStyle) {
		/*開啟Handler*/
		handler = new PHandler(this);
		
		/* 配置屬性值  */
		TypedArray a = context.obtainStyledAttributes(set,R.styleable.YXClipProgress);
		auto_runing = a.getBoolean(R.styleable.YXClipProgress_autoRuning, false);
		mProgress = a.getInt(R.styleable.YXClipProgress_progress, 0) * 100;
		a.recycle();
		
		/* inflate */
		View view = LayoutInflater.from(context).inflate(R.layout.yx_clipprogress_layout, null);
		addView(view);
		ImageView imageView = (ImageView) findViewById(R.id.iv_progress);
		mClipDrawable = (ClipDrawable) imageView.getDrawable();
		mClipDrawable.setLevel(mProgress);
	}
	
	private static class PHandler extends Handler{
		WeakReference<YXClipProgress> mp;
		PHandler(YXClipProgress a){
			mp = new WeakReference<YXClipProgress>(a);
		}
		@Override
		public void handleMessage(Message msg) {
			YXClipProgress t = mp.get();
			if(msg.what == MESSAGE_WHAT){
				t.mClipDrawable.setLevel(t.mProgress);
			}
		}
	}
}