VR-VIDEO/app/src/main/java/com/haochuan/hciptvbasic/BaseWebActivity.java

package com.haochuan.hciptvbasic;

/*
* 这是主页面的基类，负责webview的初始化工作
*
* */


import android.annotation.SuppressLint;
import android.app.ActivityManager;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.content.ContextCompat;

import com.asha.vrlib.MDVRLibrary;
import com.haochuan.core.BaseMediaPlayer;
import com.haochuan.core.IVideoPlayer;
import com.haochuan.core.Logger;
import com.haochuan.core.util.ELS;
import com.haochuan.core.util.HandlerUtil;
import com.haochuan.hciptvbasic.util.ELSUtil;
import com.haochuan.hciptvbasic.util.VRUtil;
import com.haochuan.hciptvbasic.webview.PayToJS;
import com.haochuan.hciptvbasic.webview.PlayerToJS;
import com.haochuan.hciptvbasic.webview.HCWebChromeClient;
import com.haochuan.hciptvbasic.webview.UtilToJS;
import com.haochuan.ijk.IjkVideoPlayer;
import com.haochuan.systemvideo.SystemVideoPlayer;

import java.util.List;

public abstract class BaseWebActivity extends AppCompatActivity {
    private WebView webView;                                    //整个应用唯一的webview
    private PlayerToJS playerToJS;                              //PlayerToJS类实例
    private PayToJS payToJS;                                    // PayToJS类实例
    private UtilToJS utilToJS;                                  //ToolToJS实例
    String playerToJSName = PlayerToJS.class.getSimpleName();    //playerToJS类名
    String payToJSName = PayToJS.class.getSimpleName();         //payToJS类名
    String toolToJSName = UtilToJS.class.getSimpleName();       //toolToJS类名

    //播放器
    private BaseMediaPlayer mHCPlayer = null;
    protected ELS els;
    VRUtil vrUtil;

    //vr模块
    MDVRLibrary mVRLibrary;

    /**-----------------------虚函数-----------------------*/

    //获取启动页web地址
    protected abstract String getIndexURL();

    /*--------------------生命周期---------------------*/
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        webView = new WebView(this);
        webView.setBackgroundColor(ContextCompat.getColor(this, android.R.color.transparent));
        setContentView(webView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

        initWebSetting(webView);

        //初始化播放器和vr
        initPlayerAndVr();

        //初始化els日志记录系统
        els = ELS.getInstance(this);
        String uid = "12398658";
        if(utilToJS != null){
            uid = utilToJS.getUserName();
        }
        Logger.d("uid:" + uid);
        ELSUtil.Init(this,els,uid);

        //初始化日志
        Logger.init(this,getWebView());

        runH5();
    }

    private void runH5(){
        webView.loadUrl(getIndexURL());
    }

    @Override
    protected void onStart() {
        super.onStart();
        //关闭软键盘
        getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (webView != null) {
            webView.onResume();
        }
        if(mHCPlayer !=null){
            mHCPlayer.resume();
        }

        if(mVRLibrary != null){
            mVRLibrary.onResume(this);
        }

    }

    @Override
    protected void onPause() {
        super.onPause();
        if (webView != null) {
            webView.onPause();
        }
        if(mHCPlayer !=null){
            mHCPlayer.pause();
        }

        if(mVRLibrary != null){
            mVRLibrary.onPause(this);
        }
    }

    @Override
    protected void onStop(){
        super.onStop();
    }

    @Override
    protected void onDestroy() {
        if (webView != null) {
            webView.removeJavascriptInterface(playerToJSName);
            webView.clearCache(true);
            webView.clearFormData();
            webView.clearMatches();
            webView.clearSslPreferences();
            webView.clearDisappearingChildren();
            webView.clearHistory();
            webView.clearAnimation();
            webView.loadUrl("about:blank");
            webView.removeAllViews();

            webView = null;
        }
        if(mHCPlayer !=null){
            mHCPlayer.release();
        }
        if(mVRLibrary != null){
            mVRLibrary.onDestroy();
        }
        super.onDestroy();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        mVRLibrary.onOrientationChanged(this);
    }

    /**
     * webView对象获取"返回"按键事件
     */
    @Override
    public void onBackPressed() {
        //如果是除未来其他版本，请用这段代码
        utilToJS.onBackPressed();
    }

    /*--------------------------初始化函数---------------------------*/
    /*
    * 初始化播放器
    * */
    private void initPlayer(){
        Logger.d("BaseWebActivity,initPlayer()");
        mHCPlayer = new SystemVideoPlayer(this);
        mHCPlayer.setVideoPlayerListener(new IVideoPlayer() {
            @Override
            public void onPreparing() {
                playerToJS.onPlayerPreparing();
            }

            @Override
            public void onPlaying() {
                playerToJS.onPlayerPlaying();
            }

            @Override
            public void onResume() {
                playerToJS.onPlayerResume();
            }

            @Override
            public void onPause() {
                playerToJS.onPlayerPause();
            }

            @Override
            public void onDestroy() {
            }

            @Override
            public void onPlayingBuffering() {
                playerToJS.onPlayingBuffer();
            }

            @Override
            public void onCompletion() {
                playerToJS.onPlayerComplete();
            }

            @Override
            public void onError(int what, int extra) {
                playerToJS.onPlayerError(what,extra);
                //取消提示框显示，改由前端页面实现
               /* if(BuildConfig.player_type == 2){
                    CNTVPlayerErrorAlert();
                }*/
            }

        });
    }


    /*
    * 初始化vrLib库
    * */
    private void initVrLib(){
        if(vrUtil == null){
            vrUtil = new VRUtil();
        }
        mVRLibrary = vrUtil.createVRLibrary(this,mHCPlayer);
    }

    /**
     *
     * 初始化播放器和vr
     */
    public void initPlayerAndVr(){
        HandlerUtil.runOnUiThread(()->{
            Logger.d("刷新播放器");
            //先将播放器和vr库消除
            mHCPlayer = null;
            mVRLibrary = null;
            if(vrUtil !=null){
                vrUtil.release(this);
            }
            //再初始化播放器和vr库
            initPlayer();
            initVrLib();
            getPlayerToJS().setBaseMediaPlayer(mHCPlayer);
        });
    }

    /**
     * 初始化webview
     * @param webView
     */
    @SuppressLint({"SetJavaScriptEnabled", "JavascriptInterface", "AddJavascriptInterface"})
    private void initWebSetting(WebView webView) {
        Logger.d("BaseWebActivity,initWebSetting()");
        try{
            WebSettings webSettings = webView.getSettings();
            // 由H5端适配屏幕，具体参考文档：https://developer.chrome.com/multidevice/webview/pixelperfect
            webSettings.setUseWideViewPort(true);
            webSettings.setLoadWithOverviewMode(true);
            webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
            // 设置JS交互
            webSettings.setJavaScriptEnabled(true);

            HCWebChromeClient hcWebChromeClient = new HCWebChromeClient();
            setPlayerToJS();
            setPayToJS();
            setToolToJS();

            webView.addJavascriptInterface(playerToJS,playerToJSName);
            webView.addJavascriptInterface(payToJS,payToJSName);
            webView.addJavascriptInterface(utilToJS,toolToJSName);
            // 设置WebClient
            webView.setWebViewClient(new WebViewClient());
            webView.setWebChromeClient(hcWebChromeClient);
            // 设置是否开启web内容调试，具体调试方式查看：https://developers.google.com/web/tools/chrome-devtools/remote-debugging/?utm_source=dcc&utm_medium=redirect&utm_campaign=2016q3
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                WebView.setWebContentsDebuggingEnabled(BuildConfig.isDebug);
            }

            webView.requestFocus();
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    private void setPlayerToJS(){
        playerToJS = new PlayerToJS(this,webView,mHCPlayer);
        //添加VrRotate接口
        playerToJS.setVrRotate((int x, int y)->{
            mVRLibrary.rotateScreen(Float.parseFloat(String.valueOf(x)),Float.parseFloat(String.valueOf(y)));
        });
    }
    private void setPayToJS(){ payToJS = new PayToJS(this,webView); }
    private void setToolToJS(){ utilToJS = new UtilToJS(this,webView); }

    /*-----------------------------------功能函数 start----------------------------------*/

    /**
     * 判断应用是否处于前台
     *
     * @return <code>true</code>为前台，反之为后台
     */
    public boolean isRunningForeground(Context context) {
        Logger.d("BaseWebActivity,isRunningForeground()");
        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        if (activityManager == null) return false;
        List<ActivityManager.RunningAppProcessInfo> appProcessInfos = activityManager.getRunningAppProcesses();
        // 枚举进程
        for (ActivityManager.RunningAppProcessInfo appProcessInfo : appProcessInfos) {
            if (appProcessInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                if (appProcessInfo.processName.equals(context.getApplicationInfo().processName)) {
                    Logger.d("应用处于前台状态");
                    return true;
                }
            }
        }
        Logger.d("应用退到后台");
        return false;
    }

    /*
     * 退出应用
     * */
    public void AppExit() {
        Logger.d("BaseWebActivity,AppExit()");
        android.os.Process.killProcess(android.os.Process.myPid());   //获取PID
        System.exit(0);
    }

    /*------------------------子类获取实例接口------------------------------*/

    /**
     * 获取当前WebView对象
     */
    protected WebView getWebView(){return this.webView;}

    /*
     * 获取播放器实例
     * */
    protected BaseMediaPlayer getMediaPlayer(){return this.mHCPlayer;}



    /*
    * 获取PlayerToJs实例
    * */
    protected PlayerToJS getPlayerToJS(){return playerToJS;}

    /*
     * 获取PayToJS实例
     * */
    protected PayToJS getPayToJS(){return payToJS;}


    /*
     * 获取ToolToJS实例
     * */
    protected UtilToJS getUtilToJS(){return utilToJS;}


    public interface VrRotate{
        void rotate(int x, int y);
    }
}