package com.mylhyl.circledialog.view;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.drawable.Drawable;
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import android.view.Gravity;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.RelativeLayout;
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import androidx.viewpager.widget.PagerAdapter;
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import androidx.viewpager.widget.ViewPager;
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import com.mylhyl.circledialog.engine.ImageLoadEngine;
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import com.mylhyl.circledialog.internal.CircleParams;
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import com.mylhyl.circledialog.internal.Controller;
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import com.mylhyl.circledialog.params.AdParams;
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import com.mylhyl.circledialog.view.listener.AdView;
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import com.mylhyl.circledialog.view.listener.OnAdItemClickListener;
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import com.mylhyl.circledialog.view.listener.OnAdPageChangeListener;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 广告
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* Created by hupei on 2019/1/11 11:01.
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*/
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final class BodyAdView extends RelativeLayout implements AdView, ViewPager.OnPageChangeListener {
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private AdParams mAdParams;
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private ImageLoadEngine mImageLoadEngine;
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private ViewPager mViewPager;
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private LinearLayout mLlIndicator;
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private List<ImageView> mViews;
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private List<String> mUrls;
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private OnAdItemClickListener mImageClickListener;
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private OnAdPageChangeListener mPageChangeListener;
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public BodyAdView(Context context, CircleParams circleParams) {
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super(context);
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this.mAdParams = circleParams.adParams;
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this.mImageLoadEngine = circleParams.imageLoadEngine;
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this.mPageChangeListener = circleParams.circleListeners.adPageChangeListener;
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init();
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}
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@Override
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public void regOnImageClickListener(OnAdItemClickListener listener) {
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mImageClickListener = listener;
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}
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@Override
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public View getView() {
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return this;
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}
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@Override
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
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if (mPageChangeListener != null && mUrls != null) {
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mPageChangeListener.onPageScrolled(getContext(), mViews.get(position), mUrls.get(position), position,
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positionOffset, positionOffsetPixels);
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}
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}
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@Override
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public void onPageSelected(int position) {
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position = position % mViews.size();
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pageSelectedToPoint(position);
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}
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@Override
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public void onPageScrollStateChanged(int state) {
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if (mPageChangeListener != null) {
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mPageChangeListener.onPageScrollStateChanged(state);
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}
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}
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private void init() {
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initViewPager();
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//指示器
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initIndicator();
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}
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private void initViewPager() {
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mViewPager = new WrapViewPage(getContext());
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mViewPager.setId(android.R.id.list);
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mViews = new ArrayList<>();
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if (mAdParams.urls != null) {
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mUrls = new ArrayList<>();
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for (String url : mAdParams.urls) {
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ImageView imageView = new ImageView(getContext());
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imageView.setAdjustViewBounds(true);
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mViews.add(imageView);
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mUrls.add(url);
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}
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} else if (mAdParams.resIds != null) {
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for (int imageResId : mAdParams.resIds) {
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ImageView imageView = new ImageView(getContext());
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imageView.setAdjustViewBounds(true);
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imageView.setImageResource(imageResId);
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mViews.add(imageView);
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}
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}
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mViewPager.setAdapter(new PageAdapter());
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mViewPager.addOnPageChangeListener(this);
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mViewPager.setOverScrollMode(OVER_SCROLL_NEVER);
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addView(mViewPager);
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}
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private void initIndicator() {
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if (!mAdParams.isShowIndicator) {
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return;
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}
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if (mLlIndicator != null) {
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mLlIndicator.removeAllViews();
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}
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mLlIndicator = new LinearLayout(getContext());
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mLlIndicator.setOrientation(LinearLayout.HORIZONTAL);
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mLlIndicator.setGravity(Gravity.CENTER_VERTICAL);
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RelativeLayout.LayoutParams lpIndicator = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, 80);
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lpIndicator.addRule(RelativeLayout.CENTER_HORIZONTAL);
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lpIndicator.addRule(RelativeLayout.ALIGN_BOTTOM, android.R.id.list);
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mLlIndicator.setLayoutParams(lpIndicator);
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LinearLayout.LayoutParams lpPoint = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
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LinearLayout.LayoutParams.WRAP_CONTENT);
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int pointLeftRightMargin = Controller.dp2px(getContext(), mAdParams.pointLeftRightMargin);
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lpPoint.setMargins(pointLeftRightMargin, 0, pointLeftRightMargin, 0);
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for (int i = 0; i < mViews.size(); i++) {
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ImageView imageView = new ImageView(getContext());
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imageView.setSelected(true);
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imageView.setLayoutParams(lpPoint);
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if (mAdParams.pointDrawableResId != 0) {
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imageView.setImageResource(mAdParams.pointDrawableResId);
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} else {
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Drawable pointDrawable = new BuildViewAdImpl.SelectorPointDrawable(Color.WHITE, 20);
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imageView.setImageDrawable(pointDrawable);
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}
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mLlIndicator.addView(imageView);
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}
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addView(mLlIndicator);
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pageSelectedToPoint(0);
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}
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private void pageSelectedToPoint(int position) {
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if (!mAdParams.isShowIndicator || mLlIndicator == null) {
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return;
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}
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int childCount = mLlIndicator.getChildCount();
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for (int i = 0; i < childCount; i++) {
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View childAt = mLlIndicator.getChildAt(i);
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boolean selected = i == position;
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childAt.setSelected(selected);
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childAt.requestLayout();
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}
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}
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private class PageAdapter extends PagerAdapter {
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@Override
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public int getCount() {
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return mViews == null ? 0 : mViews.size();
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}
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@Override
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public Object instantiateItem(ViewGroup container, int position) {
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if (mViews == null || mViews.get(position) == null) {
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return null;
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}
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final int finalPosition = position % mViews.size();
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ImageView view = mViews.get(finalPosition);
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view.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mImageClickListener != null) {
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int position = mViewPager.getCurrentItem() % mViews.size();
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mImageClickListener.onItemClick(v, position);
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}
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}
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});
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if (mUrls != null && !mUrls.isEmpty() && mImageLoadEngine != null) {
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mImageLoadEngine.loadImage(getContext(), view, mUrls.get(finalPosition));
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}
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if (mUrls != null && !mUrls.isEmpty() && mPageChangeListener != null) {
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mPageChangeListener.onPageSelected(getContext(), view, mUrls.get(finalPosition), finalPosition);
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}
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ViewParent viewParent = view.getParent();
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if (viewParent != null) {
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((ViewGroup) viewParent).removeView(view);
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}
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container.addView(view);
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return view;
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}
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@Override
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public void destroyItem(ViewGroup container, int position, Object object) {
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}
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@Override
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public boolean isViewFromObject(View view, Object object) {
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return view == object;
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}
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@Override
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public int getItemPosition(Object object) {
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return POSITION_NONE;
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}
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}
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}
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