efunboxReader-android/app/src/main/java/com/edufound/reader/presenter/MainPresenter.java

package com.edufound.reader.presenter;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;

import com.chivox.aiengine.EvalResult;
import com.edufound.reader.R;
import com.edufound.reader.adapter.SlideVideoAdapter;
import com.edufound.reader.application.EApplication;
import com.edufound.reader.base.BasePresenter;
import com.edufound.reader.bean.SlideVideoBean;
import com.edufound.reader.contract.MainContract;
import com.edufound.reader.cusview.RvListJzvdStd;
import com.edufound.reader.model.MainModel;
import com.edufound.reader.services.RecordServices;
import com.edufound.reader.util.CToast;
import com.edufound.reader.videoutil.OnViewPagerListener;
import com.edufound.reader.videoutil.ViewPagerLayoutManager;
import com.orhanobut.logger.Logger;

import java.util.ArrayList;
import java.util.List;

import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.OrientationHelper;
import androidx.recyclerview.widget.RecyclerView;
import cn.jzvd.Jzvd;

public class MainPresenter extends BasePresenter<MainContract.View> implements MainContract.Presenter {
    MainModel mModel;
    private ViewPagerLayoutManager mViewPagerLayoutManager;
    private int mCurrentPosition = -1;
    RecordServices mRecordServices;

    /*
     * 测试数据
     * */
    List<SlideVideoBean> mDataList;
    SlideVideoAdapter mAdapter;

    public MainPresenter() {
        mModel = new MainModel();
    }

    @Override
    public void initVideoList(RecyclerView rv) {

        /*
         * 测试数据
         * */
        mDataList = new ArrayList<>();
        for (int i = 0; i < 5; i++) {
            SlideVideoBean bean = new SlideVideoBean();
            if (i % 2 == 0) {
                bean.videoUrl = "http://reader-wx.ai160.com/vs2m-m3u8/reader/053/05303004/05303004038/05303004038.m3u8";
                bean.videoTitle = "m3u8视频";
            } else {
                bean.videoUrl = "https://reader-wx.ai160.com/reader/resource/video/1610961140479648.mp4";
                bean.videoTitle = "https--MP4视频";
            }
            mDataList.add(bean);
        }


        rv.setLayoutManager(new LinearLayoutManager(mView.getActivity()));
        rv.setNestedScrollingEnabled(false);
        mViewPagerLayoutManager = new ViewPagerLayoutManager(mView.getActivity(), OrientationHelper.VERTICAL);
        rv.setLayoutManager(mViewPagerLayoutManager);
        mAdapter = new SlideVideoAdapter(mView.getActivity(), mDataList);
        rv.setAdapter(mAdapter);
        mViewPagerLayoutManager.setOnViewPagerListener(new OnViewPagerListener() {
            @Override
            public void onInitComplete() {
                //自动播放第一条
                autoPlayVideo(rv);
            }

            @Override
            public void onPageRelease(boolean isNext, int position) {
                if (mCurrentPosition == position) {
                    Jzvd.releaseAllVideos();
                }
            }

            @Override
            public void onPageSelected(int position, boolean isBottom) {
//                if (mCurrentPosition == position) {
//                    Logger.e("mCurrentPosition == position..return了");
//                    return;
//                }
                autoPlayVideo(rv);
                mCurrentPosition = position;
            }
        });
        rv.addOnChildAttachStateChangeListener(new RecyclerView.OnChildAttachStateChangeListener() {
            @Override
            public void onChildViewAttachedToWindow(View view) {
                scrollToNextFunction(rv, false);
            }

            @Override
            public void onChildViewDetachedFromWindow(View view) {
                Jzvd jzvd = view.findViewById(R.id.slidevideo_video);
                if (jzvd != null && Jzvd.CURRENT_JZVD != null && jzvd.jzDataSource != null &&
                        jzvd.jzDataSource.containsTheUrl(Jzvd.CURRENT_JZVD.jzDataSource.getCurrentUrl())) {
                    if (Jzvd.CURRENT_JZVD != null && Jzvd.CURRENT_JZVD.screen != Jzvd.SCREEN_FULLSCREEN) {
                        Jzvd.releaseAllVideos();
                    }
                }
            }
        });
    }

    private void autoPlayVideo(RecyclerView rv) {
        if (rv == null || rv.getChildAt(0) == null) {
            return;
        }
        RvListJzvdStd player = rv.getChildAt(0).findViewById(R.id.slidevideo_video);
        if (player != null) {
            if (player.state == Jzvd.STATE_PLAYING) {
                //正在播放
            } else {
                player.startVideoAfterPreloading();
                player.setVideoCallBack(new RvListJzvdStd.VideoCallBack() {
                    @Override
                    public void onComplete() {
                        scrollToNextFunction(rv, true);
                    }
                });
            }

        }
    }

    private void scrollToNextFunction(RecyclerView rv, boolean needScroll) {
        //获取当前显示的View 的数据
        int childCount = rv.getChildCount();
        //获取最后一具 Item 对应的View
        View childAt = rv.getChildAt(childCount - 1);
        //获取当前军舰中显示的最后一个 Item 的位置  Postion
        int childLayoutPosition = rv.getChildLayoutPosition(childAt);
        //如果不是最后一个就向下滑动

        if (childLayoutPosition < rv.getAdapter().getItemCount() - 2) {
            if (needScroll) {
                rv.smoothScrollToPosition(childLayoutPosition + 1);
            }
        } else {
//            Toast.makeText(this, "已滑动到底部了", Toast.LENGTH_LONG).show();
//            CToast.makeText(mView.getActivity(), "滑动到最后一个啦", 3000).show();
            Logger.e("倒数第二个，添加数据");
            mAdapter.addMored(mDataList);

        }
    }


    @Override
    public void bindRecordServices() {
        if (mRecordServices == null) {
            Intent intent = new Intent();
            intent.setClass(mView.getActivity(), RecordServices.class);
            mView.getActivity().bindService(intent, recordServicesConn, Context.BIND_AUTO_CREATE);
        }
    }

    @Override
    public void startRecord(String name, String refText) {
        mRecordServices.startRecord(mView.getActivity(), name, refText);
    }

    @Override
    public void stopRecord() {
        mRecordServices.stopRecord();
    }


    public void rePlayRecord() {
        mRecordServices.replayRecord();
    }

    @Override
    public void activityDestroy() {
        mRecordServices.unbindService(recordServicesConn);
        if (mRecordServices != null) {
            mView.getActivity().unbindService(recordServicesConn);
        }
    }

    @Override
    public void activityPause() {

    }

    @Override
    public void activityResume() {

    }


    private ServiceConnection recordServicesConn = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
            mRecordServices = ((RecordServices.RecordServicesBind) iBinder).getService();
            mRecordServices.setRecordCallBack(new RecordServices.RecordCallBack() {
                @Override
                public void onRecordStart() {
                    Logger.e("录音开始");
                }

                @Override
                public void onRecordStop(int type, String tokenId, EvalResult result) {
                    Logger.e("录音停止");
                }

                @Override
                public void onRecordCancel() {
                    Logger.e("录音取消");
                }
            });
        }

        @Override
        public void onServiceDisconnected(ComponentName componentName) {
            mRecordServices = null;
        }
    };


    public boolean onKeyDown(int keyCode, KeyEvent event) {
        switch (keyCode) {
            case KeyEvent.KEYCODE_BACK:
            case KeyEvent.KEYCODE_ESCAPE:
                EApplication.killAppProcess(mView.getActivity());
                return true;
        }

        return true;
    }

}