efunbox-android-zijie/app/src/main/java/com/edufound/bytedance/mvp/presenter/MainPersenter.java

package com.edufound.bytedance.mvp.presenter;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.JavascriptInterface;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebResourceError;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.edufound.bytedance.R;
import com.edufound.bytedance.application.MyApplication;
import com.edufound.bytedance.base.BasePresenter;
import com.edufound.bytedance.mvp.model.MainModel;
import com.edufound.bytedance.mvp.view.MainView;
import com.edufound.bytedance.util.ContextUtil;
import com.edufound.bytedance.util.Logger;
import com.edufound.bytedance.util.OkHttpUtil;
import com.edufound.bytedance.util.SharedPerfenceUtil;
import com.edufound.bytedance.util.ToastUtil;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.Iterator;

import okhttp3.Request;

public class MainPersenter extends BasePresenter<MainModel, MainView> {

    private String mLoadUrl;
    private MainJsMethod mMainJsMethod;
    private Bitmap mVideoBitmap;

    public void initWeb() {
        if (Build.VERSION.SDK_INT >= 19) {
            getView().getWebView().getSettings().setLoadsImagesAutomatically(true);
        } else {
            getView().getWebView().getSettings().setLoadsImagesAutomatically(false);
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            getView().getWebView().getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
        }
        getView().getWebView().requestFocus(View.FOCUS_DOWN);
        getView().getWebView().getSettings().setJavaScriptEnabled(true);
        getView().getWebView().getSettings().setJavaScriptCanOpenWindowsAutomatically(true);//允许js弹出窗口
        getView().getWebView().getSettings().setDomStorageEnabled(true);
        getView().getWebView().getSettings().setBlockNetworkImage(false);
        getView().getWebView().setBackgroundColor(Color.TRANSPARENT);
        getView().getWebView().getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
        getView().getWebView().getSettings().setUseWideViewPort(true);
        getView().getWebView().getSettings().setLoadWithOverviewMode(true);
        getView().getWebView().getSettings().setTextZoom(100);
        mVideoBitmap = BitmapFactory.decodeResource(getView().getActivity().getResources(),
                R.drawable.videoposterblack);
        getView().getWebView().setWebChromeClient(new WebChromeClient() {

            @Override
            public boolean onJsAlert(WebView view, String url, String message, JsResult result) {

                return super.onJsAlert(view, url, message, result);
            }

            @Override
            public void onShowCustomView(View view, CustomViewCallback callback) {

                super.onShowCustomView(view, callback);
            }

            @Override
            public void onProgressChanged(WebView view, int newProgress) {

                if (newProgress >= 100) {
                }
                super.onProgressChanged(view, newProgress);
            }

            @Override
            public Bitmap getDefaultVideoPoster() {
                return mVideoBitmap;
            }
        });

        getView().getWebView().setWebViewClient(new WebViewClient() {

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }

            @Override
            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                super.onReceivedError(view, errorCode, description, failingUrl);
                view.loadUrl("");// 避免出现默认的错误界面
                Logger.e("onReceivedError--4参数");
                getView().showDialogNetWork();
            }

            @Override
            public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
                view.loadUrl("");// 避免出现默认的错误界面
                Logger.e("onReceivedError--3参数");
                getView().showDialogNetWork();
            }

            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                super.onPageStarted(view, url, favicon);
                getView().showProgressDialog();
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                if (!view.getSettings().getLoadsImagesAutomatically()) {
                    view.getSettings().setLoadsImagesAutomatically(true);
                }
                if (getView() == null) {
                    return;
                }
                getView().dismissProgressDialog();
                super.onPageFinished(view, url);
            }

        });
        mMainJsMethod = new MainJsMethod();
        getView().getWebView().addJavascriptInterface(mMainJsMethod, "efunboxJS");
    }


    public void openWeb(Intent intent) {
        try {
            getView().getWebView().loadUrl("");
            mLoadUrl = model.getDefaultWebUrl();
            Uri uri = intent.getData();
            String intent_url = "";
            if (uri != null) {
                intent_url = uri.getQueryParameter("url");
            } else {
                intent_url = intent.getStringExtra("url");
            }
            if (intent_url != null && !intent_url.isEmpty()) {
                mLoadUrl = intent_url;
            }
            StringBuffer buffer = new StringBuffer();
            String intent_params = intent.getStringExtra("params");
            if (intent_params != null && !intent_params.isEmpty()) {
                JSONObject jsonObject = null;
                jsonObject = new JSONObject(intent_params);
                Iterator it = jsonObject.keys();
                while (it.hasNext()) {
                    String key = it.next().toString();
                    buffer.append("&" + key + "=" + jsonObject.getString(key));
                }
            }
            mLoadUrl = mLoadUrl + model.getLoadParams(getView().getActivity()) + buffer.toString();
            Logger.e("mLoadUrl:" + mLoadUrl);
            getView().getWebView().loadUrl(mLoadUrl);
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }


    @Override
    protected void onViewDestroy() {

    }


    public MainJsMethod getmMainJsMethod() {
        if (mMainJsMethod == null) {
            return null;
        }
        return mMainJsMethod;
    }


    public boolean onKeyDown(int keycode, KeyEvent event) {
        switch (keycode) {
            case KeyEvent.KEYCODE_BACK:
            case KeyEvent.KEYCODE_ESCAPE:
                getView().loadJsMehtod("boxEventHandler('key_down','KEY_BACK')");
                return true;
        }
        return false;
    }

    public boolean onKeyUp(int keycode, KeyEvent event) {
        switch (keycode) {
            case KeyEvent.KEYCODE_BACK:
            case KeyEvent.KEYCODE_ESCAPE:
                // 返回键
                getView().loadJsMehtod("boxEventHandler('key_up','KEY_BACK')");
                return true;
        }
        return false;
    }
    //--------------------------------------------------------JS方法


    /**
     * JS调用的Android方法类
     */
    public class MainJsMethod {

        AlertDialog.Builder mAlertBuilder;

        /**
         * 关闭应用
         */
        @JavascriptInterface
        public void closeApp() {
            Logger.e("closeApp");
            OkHttpUtil.postUserTime(new OkHttpUtil.ResultCallback() {
                @Override
                public void onError(Request request, Exception e) {
                    Logger.e("上传使用时间：onError:" + request.toString());
                    MyApplication.exitApp();
                    android.os.Process.killProcess(android.os.Process.myPid());
                }

                @Override
                public void onResponse(Object response) {
                    Logger.e("上传使用时间：" + response.toString());
                    MyApplication.exitApp();
                    android.os.Process.killProcess(android.os.Process.myPid());
                }
            });
        }


        /**
         * 根据key设置SP参数方法
         */
        @JavascriptInterface
        public void setPreData(String key, String json) {
            SharedPerfenceUtil.setPrefString(ContextUtil.getmApplicationContext(), key, json);
        }


        /**
         * 根据key获取SP参数方法
         */
        @JavascriptInterface
        public String getPreData(String key) {
            return SharedPerfenceUtil.getPrefString(ContextUtil.getmApplicationContext(), key, "");
        }

        /**
         * 根据key删除SP参数
         */
        @JavascriptInterface
        public void delPreData(String key) {
            SharedPerfenceUtil.clearRecourds(ContextUtil.getmApplicationContext(), key);
        }

        /**
         * 設置webview背景颜色
         */
        @JavascriptInterface
        public void setWebBackGroundColor(String colorString) {
            getView().getWebView().setBackgroundColor(Color.parseColor(colorString));
        }


        /**
         * 给JS弹出Toast
         */
        @JavascriptInterface
        public void showToast(String message) {
            ToastUtil.showToast(message);
        }

        /**
         * 给JS提供alert
         */
        @JavascriptInterface
        public void showAlert(String message) {
            if (mAlertBuilder == null) {
                mAlertBuilder = new AlertDialog.Builder(getView().getActivity());
                mAlertBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        dialogInterface.dismiss();
                    }
                });
            }
            mAlertBuilder.setMessage(message);
            mAlertBuilder.create().show();
        }
    }

}