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

package com.haochuan.hciptvbasic.webview;

import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.text.TextUtils;
import android.webkit.JavascriptInterface;
import android.webkit.WebView;


import com.haochuan.core.Logger;
import com.haochuan.core.util.HandlerUtil;
import com.haochuan.hciptvbasic.BaseWebActivity;
import com.haochuan.hciptvbasic.BuildConfig;
import com.haochuan.core.util.JSONUtil;
import com.haochuan.core.util.JsUtil;
import com.haochuan.core.util.MacUtil;
import com.haochuan.core.util.MathUtil;
import com.haochuan.core.util.ToolsUtil;

import org.json.JSONObject;
import org.w3c.dom.Text;


import static com.haochuan.core.util.MessageCode.EXCEPTION_ERROR;
import static com.haochuan.core.util.MessageCode.SUCCESS;


public class UtilToJS {
    private Context context;                        //MainActivity 句柄
    private WebView webView;
    private ToolsUtil toolsUtil;

    //将遥控返回按键事件传递给前端
    private String JS_EVENT_BACK = "javascript:onBackEvent()";

    //将日志传递给js
    private String JS_EVENT_LOG = "javascript:onLog('%s')";

    //将response传递给js
    private String JS_EVENT_RESPONSE ="javascript:onWebRequestResponse('%s','%s')";

    /**
     * 兼容旧智慧平台接口用
     * 前端调用apk http请求回调事件
     * <br>
     * 形参1：表示前端调用apk方法时传入的code，String字符串
     * <br>
     * 形参2：表示apk请求过程--（0：开始请求；1：请求成功；-1：请求失败；-2：发生异常；2：请求结束），String字符串
     * <br>
     * 形参3：表示apk请求过程中的结果,String字符串
     */
    public static final String JS_EVENT_HTTP_CONNECT = "javascript:onHttpConnect(\"%s\", \"%s\", \"%s\")";

    public UtilToJS(Context context, WebView webView){
        this.context = context;
        this.webView = webView;
        toolsUtil = new ToolsUtil();
    }

    /*------------------------------------功能性函数-----------------------------------------*/

    /*
     * 将log传递给前端
     * */
    public void logToJs(String log){
        Logger.d("UtilToJS,logToJs(),log:" + log);
        JsUtil.evaluateJavascript(context,webView,
                String.format(JS_EVENT_LOG,log));
    }

    /*
     * webView对象获取"返回"按键事件
     * */
    public void onBackPressed(){
        Logger.d("UtilToJS,onBackPressed()");
        JsUtil.evaluateJavascript(context,webView, JS_EVENT_BACK);
    }



    /*---------------------------------获取本地参数--------------------------*/

    /*
    * 获取intent启动参数
    * */
    @JavascriptInterface
    public String getIntentJson(){
        Logger.d("UtilToJS,getIntentJson()");
        return toolsUtil.getIntentJson(context);
    }

    @JavascriptInterface
    public String getLocalParamsByJson(){
        try{
            Logger.d("UtilToJS,getLocalParamsByJson()");
            JSONObject localParamsJson = new JSONObject();
            localParamsJson.put("version_code",BuildConfig.VERSION_CODE);
            localParamsJson.put("version_name",BuildConfig.VERSION_NAME);
            localParamsJson.put("mac",MacUtil.getMac(context));
            localParamsJson.put("user_id",getUserName());
            String paramJsonStr = localParamsJson.toString();
            Logger.d("UtilToJS,getLocalParamsByJson(),paramJsonStr:" + paramJsonStr);
            return paramJsonStr;
        }catch (Exception e){
            e.printStackTrace();
            return "";
        }
    }



    /*-----------------------------操作APK-------------------------------------*/

    /*
     * 退出app
     * */
    @JavascriptInterface
    public void appExit(){
        try{
            HandlerUtil.runOnUiThread(() -> {
                Logger.d("UtilToJS,appExit()");
               Activity activity =(Activity)context;
               if(activity instanceof BaseWebActivity){
                   BaseWebActivity baseWebActivity = (BaseWebActivity)activity;
                   baseWebActivity.AppExit();
               }else{
                   android.os.Process.killProcess(android.os.Process.myPid());   //获取PID
                   System.exit(0);
               }
            });
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    /*---------------------------通过客户端请求接口------------------------*/



    /*
     *js 通过apk客户端访问网络接口
     *@param contentType 网络类型,详情参考网络请求的content-type
     *@param paramJson 请求参数集,格式为json字符串
     *@param headJson 请求头部集，格式为json字符串
     *@param method 请求方法，1,get;2,post
     *@param ignoreResult 是否忽略结果,true,忽略;false,不忽略.
     *@param tag 透传参数，将在结果回调中一并返回，主要区别多个并发请求
     * */
    @JavascriptInterface
    public int clientWebRequest(String paramsJson){
        try{
            Logger.d("clientWebRequest(),paramsJson" + paramsJson);
            JSONObject requestParams = new JSONObject(paramsJson);
            String url = JSONUtil.getString(requestParams,"url","");
            String methodStr = JSONUtil.getString(requestParams,"method","1");
            int method = 0;
            if(MathUtil.isDigitsOnly(methodStr)){
                method = Integer.parseInt(methodStr);
                if( method <0  || method > 1 ){
                    Logger.w("clientWebRequest 请求参数method必须为0或者1，目前重置为0");
                    method = 0;
                }
            }else{
                Logger.w("clientWebRequest 请求参数method必须为数字，目前重置为0");
            }
            String contentType = JSONUtil.getString(requestParams,"content_type","application/json");
            String headJson = JSONUtil.getString(requestParams,"head_json","{}");
            String paramJson = JSONUtil.getString(requestParams,"param_json","{}");
            String ignore = JSONUtil.getString(requestParams,"ignore_result","0");
            boolean ignoreResult = TextUtils.equals(ignore,"1");
            String tag = JSONUtil.getString(requestParams,"tag","");
            toolsUtil.clientWebRequest(url, method, contentType, headJson,paramJson, ignoreResult, tag,
                    (int what,String response,String tag1)->{
                        Logger.d(String.format("response:%s;tag:%s",response,tag1));
                        JsUtil.evaluateJavascript(context,webView,
                                String.format(JS_EVENT_RESPONSE,response,tag1));
                    });
            return SUCCESS;
        }catch (Exception e){
            e.printStackTrace();
            return EXCEPTION_ERROR;
        }
    }

    /*-----------------------------本地盒子参数获取------------------------------------*/

    /**
     * 获取userName
     * @return
     */
    private String getUserNameFromSTB(){
        try{
            Uri uri = Uri.parse("content://stbconfig/authentication");
            Cursor mCursor = context.getContentResolver().query(uri,null,null,null,null);
            if(mCursor != null){
                String userName = "";
                while (mCursor.moveToNext()){
                    //获取username
                    String name = mCursor.getString(mCursor.getColumnIndex("name"));
                    if("username".equals(name)){
                        userName = mCursor.getString(mCursor.getColumnIndex("value"));
                        break;
                    }
                }
                return userName;
            }else{
                return "";
            }
        }catch (Exception e){
            e.printStackTrace();
            return "";
        }
    }

    /**
     * 返回用户名
     * @return
     */
    private String getUserName(){
        String userName = getUserNameFromSTB();
        if(TextUtils.isEmpty(userName)){
            return MacUtil.getMac(context);
        }
        return userName;
    }
}