package com.hhxplaying.neteasedemo.netease.widget;
/**
* Created by HHX on 15/9/9.
*/
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.hhxplaying.neteasedemo.netease.R;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author 大雄O(∩_∩)O~
* @version 1.0.1
*/
public class SwitchImage extends LinearLayout {
private final int MOVING = 1;
private static final int LOOP_TIMES = 2000;
private int timeGap = 1000;
private Context mContext;
private BtnJumpTOWhere btnJumpTOWhere;
private List<View> viewList = new ArrayList<View>();
private List<ImageView> imageViewList = new ArrayList<ImageView>();
private ViewPager mPager;
private LinearLayout mDotsLayout;
private TextView mTextView;
private String texts[];
// private ImageButton mBtn;
private boolean moving = false;
private boolean lastItemToNextOrStop = false;
private ViewPagerAdapter ViewPagerAdapter;
private MyHandler handler;
private SwitchImageOnClick switchImageOnClick;
private DisplayImageView displayImageView;
private static class MyHandler extends Handler {
WeakReference<SwitchImage> mReference;
MyHandler(SwitchImage msImage) {
mReference = new WeakReference<SwitchImage>(msImage);
}
public void handleMessage(Message msg) {
SwitchImage switchImage = mReference.get();
if (switchImage == null) return;
if (switchImage.moving && switchImage.viewList.size() > 0) {
if (msg.what == switchImage.MOVING) {
switchImage.mPager.setCurrentItem(switchImage.mPager.getCurrentItem() + 1, true);
sendEmptyMessageDelayed(switchImage.MOVING, switchImage.timeGap);
}
}
}
}
public SwitchImage(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mContext = context;
TypedArray tArray = context.obtainStyledAttributes(attrs, R.styleable.page, defStyleAttr, 0);
lastItemToNextOrStop = tArray.getBoolean(R.styleable.page_is_last_item_to_next_or_stop, true);
tArray.recycle();
LayoutInflater.from(context).inflate(R.layout.activity_guide, this, true);
mPager = (ViewPager) findViewById(R.id.guide_viewpager);
mDotsLayout = (LinearLayout) findViewById(R.id.guide_dots);
mTextView = (TextView) findViewById(R.id.tv_banner_title_text);
// mBtn = (ImageButton) findViewById(R.id.guide_btn);
ViewPagerAdapter = new ViewPagerAdapter(viewList);
mPager.setAdapter(ViewPagerAdapter);
mPager.setOnPageChangeListener(new PageListener());
// mBtn.setOnClickListener(new OnClickListener() {
// @Override
// public void onClick(View v) {
// if (btnJumpTOWhere != null)
// btnJumpTOWhere.jumpTO();
// }
// });
handler = new MyHandler(this);
}
public SwitchImage(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SwitchImage(Context context) {
this(context, null);
}
@Deprecated
public void setViewList(List<View> list) {
viewList.clear();
viewList.addAll(list);
ViewPagerAdapter.notifyDataSetChanged();
initDots(viewList.size());
}
private void initDots(int count) {
mDotsLayout.removeAllViews();
for (int j = 0; j < count; j++) {
mDotsLayout.addView(initDot());
}
mDotsLayout.getChildAt(0).setSelected(true);
}
private View initDot() {
return LayoutInflater.from(mContext).inflate(R.layout.layout_dot, null);
}
class PageListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int arg0) {
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int arg0) {
arg0 = (arg0 % mDotsLayout.getChildCount());
//dot
for (int i = 0; i < mDotsLayout.getChildCount(); i++) {
if (i == arg0) {
mDotsLayout.getChildAt(i).setSelected(true);
} else {
mDotsLayout.getChildAt(i).setSelected(false);
}
}
mTextView.setText(texts[arg0]);
// //button
// if (arg0 == mDotsLayout.getChildCount() - 1) {
// mBtn.setVisibility(View.VISIBLE);
// } else {
// mBtn.setVisibility(View.GONE);
// }
//message
if (handler != null) {
handler.removeCallbacksAndMessages(null);
handler.sendEmptyMessageDelayed(MOVING, timeGap);
}
}
}
class ViewPagerAdapter extends PagerAdapter {
private List<View> data;
public ViewPagerAdapter(List<View> data) {
super();
this.data = data;
}
//update时舍弃所有View
@Override
public int getItemPosition(Object object) {
return POSITION_NONE;
}
@Override
public int getCount() {
if (data.size() == 1) return 1;
return lastItemToNextOrStop ? data.size() * LOOP_TIMES : data.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
if (data.get(position % data.size()).getParent() == null)
container.addView(data.get(position % data.size()), 0);
return data.get(position % data.size());
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
}
private View initView(int res) {
View view = LayoutInflater.from(getContext()).inflate(R.layout.item_guide, null);
ImageView imageView = (ImageView) view.findViewById(R.id.iguide_img);
imageView.setImageResource(res);
//hold imageView
imageViewList.add(imageView);
return view;
}
private View initView(int res, String url) {
View view = LayoutInflater.from(getContext()).inflate(R.layout.item_guide, null);
ImageView imageView = (ImageView) view.findViewById(R.id.iguide_img);
//设置ImageView的超链接
imageView.setTag(url);
imageView.setImageResource(res);
//hold imageView
imageViewList.add(imageView);
return view;
}
public void setMove(boolean flag) {
setMove(flag, timeGap);
}
/**
* 设置是否移动和移动时间间隔
*
* @param flag move or stop
* @param time time gap of move
*/
public void setMove(boolean flag, int time) {
if (flag) {
timeGap = time;
moving = flag;
//防止一张图的时候切换
if (viewList != null && viewList.size() > 1)
handler.sendEmptyMessageDelayed(MOVING, timeGap);
} else {
moving = flag;
handler.removeCallbacksAndMessages(null);
}
}
public void setJumpTo(BtnJumpTOWhere btnJumpTOWhere) {
this.btnJumpTOWhere = btnJumpTOWhere;
}
public void initPager(int[] images) {
viewList.clear();
imageViewList.clear();
for (int i = 0; i < images.length; i++) {
View holdView = initView(images[i]);
//设置序号，为了响应点击
holdView.setTag(i);
viewList.add(holdView);
}
initDots(viewList.size());
mPager.setCurrentItem(viewList.size() * LOOP_TIMES / 2);
if (images.length == 2) {
//add one more time, size == 2 crash
for (int i = 0; i < images.length; i++) {
View holdView = initView(images[i]);
holdView.setTag(i);
viewList.add(holdView);
}
}
ViewPagerAdapter.notifyDataSetChanged();
// destroyDrawingCache();
}
public void initPager(int[] images, String[] urls, String[] texts) {
if (images.length != urls.length || images.length != texts.length) throw new RuntimeException("确保长度相等");
this.texts = texts.clone();
viewList.clear();
imageViewList.clear();
for (int i = 0; i < images.length; i++) {
View holdView = initView(images[i], urls[i]);
//设置序号，为了响应点击
holdView.setTag(i);
viewList.add(holdView);
}
initDots(viewList.size());
//当lastItemToNextOrStop为true,才设置初始很大的位置,否则会初始化显示最后一张
if (lastItemToNextOrStop)
mPager.setCurrentItem(viewList.size() * LOOP_TIMES / 2);
if (images.length == 2) {
//add one more time, size == 2 crash
for (int i = 0; i < images.length; i++) {
View holdView = initView(images[i], urls[i]);
holdView.setTag(i);
viewList.add(holdView);
}
}
mTextView.setText(this.texts[0]);
ViewPagerAdapter.notifyDataSetChanged();
// destroyDrawingCache();
}
//设置当前Viewpage位置
public void setPagePosition(int p) {
mPager.setCurrentItem(p);
}
public List<View> getViewList() {
return viewList;
}
public void setOnClickListener(SwitchImageOnClick switchImageOnClick) {
this.switchImageOnClick = switchImageOnClick;
if (viewList.size() == 0) throw new RuntimeException("先调用initPager()");
for (View view : viewList) {
view.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
SwitchImage.this.switchImageOnClick.viewClickedListener((Integer) (v.getTag()));
}
});
}
}
//传个加载图片的接口进来
public void setAndLoadImage(DisplayImageView displayImageView) {
this.displayImageView = displayImageView;
if (viewList.size() == 0) throw new RuntimeException("先调用initPager()");
for (ImageView imageView : imageViewList) {
displayImageView.displayImageFromURL(imageView, (String) imageView.getTag());
}
}
public void onDestory() {
if (handler != null) handler.removeCallbacksAndMessages(null);
}
//响应按钮点击
public interface BtnJumpTOWhere {
public void jumpTO();
}
//从URL加载图片
public interface DisplayImageView {
void displayImageFromURL(ImageView view, String url);
}
//响应ImageView点击
public interface SwitchImageOnClick {
void viewClickedListener(int position);
}
}
