WebTransferActivity.java

package io.github.mayubao.kuaichuan.ui;

import android.app.Activity;
import android.content.IntentFilter;
import android.os.Bundle;
import android.text.Html;
import android.text.Spanned;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

import java.io.IOException;
import java.util.List;
import java.util.Map;

import butterknife.Bind;
import butterknife.ButterKnife;
import butterknife.OnClick;
import io.github.mayubao.kuaichuan.AppContext;
import io.github.mayubao.kuaichuan.Constant;
import io.github.mayubao.kuaichuan.R;
import io.github.mayubao.kuaichuan.common.BaseActivity;
import io.github.mayubao.kuaichuan.core.entity.FileInfo;
import io.github.mayubao.kuaichuan.core.receiver.WifiAPBroadcastReceiver;
import io.github.mayubao.kuaichuan.core.utils.ApMgr;
import io.github.mayubao.kuaichuan.core.utils.FileUtils;
import io.github.mayubao.kuaichuan.core.utils.TextUtils;
import io.github.mayubao.kuaichuan.core.utils.WifiMgr;
import io.github.mayubao.kuaichuan.micro_server.AndroidMicroServer;
import io.github.mayubao.kuaichuan.micro_server.DownloadResUriHandler;
import io.github.mayubao.kuaichuan.micro_server.IOStreamUtils;
import io.github.mayubao.kuaichuan.micro_server.ImageResUriHandler;
import io.github.mayubao.kuaichuan.micro_server.IndexResUriHandler;
import io.github.mayubao.kuaichuan.utils.ClassifyUtils;
import io.github.mayubao.kuaichuan.utils.NetUtils;

/**
 * 网页传界面
 *
 * Created by mayubao on 2016/11/26.
 * Contact me 345269374@qq.com
 */
public class WebTransferActivity extends BaseActivity {

    private static final String TAG = WebTransferActivity.class.getSimpleName();
    /**
     * Topbar相关UI
     */
    @Bind(R.id.tv_back)
    TextView tv_back;
    @Bind(R.id.tv_title)
    TextView tv_title;
    @Bind(R.id.tv_tip_1)
    TextView tv_tip_1;
    @Bind(R.id.tv_tip_2)
    TextView tv_tip_2;

    WifiAPBroadcastReceiver mWifiAPBroadcastReceiver;
    boolean mIsInitialized = false;


    /**
     * android 网页传服务器
     */
    AndroidMicroServer mAndroidMicroServer = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_web_transfer);

        ButterKnife.bind(this);

        init();
    }

    @Override
    public void onBackPressed() {
        super.onBackPressed();

        if(mWifiAPBroadcastReceiver != null){
            unregisterReceiver(mWifiAPBroadcastReceiver);
            mWifiAPBroadcastReceiver = null;
        }

        closeServer();

        //关闭热点
        ApMgr.disableAp(getContext());

        //清楚所选中的文件
        AppContext.getAppContext().getFileInfoMap().clear();

        this.finish();
    }


    /**
     * 成功进入 文件接收列表UI 调用的finishNormal()
     */
    private void finishNormal(){
        if(mWifiAPBroadcastReceiver != null){
            unregisterReceiver(mWifiAPBroadcastReceiver);
            mWifiAPBroadcastReceiver = null;
        }

        closeServer();

        //清楚所选中的文件
        AppContext.getAppContext().getFileInfoMap().clear();

        this.finish();
    }

    /**
     * 初始化
     */
    private void init(){
        initUI();

        //1.初始化热点
        WifiMgr.getInstance(getContext()).disableWifi();
        if(ApMgr.isApOn(getContext())){
            ApMgr.disableAp(getContext());
        }

        mWifiAPBroadcastReceiver = new WifiAPBroadcastReceiver() {
            @Override
            public void onWifiApEnabled() {
                Log.i(TAG, "======>>>onWifiApEnabled !!!");
                if(!mIsInitialized){
//                    mUdpServerRuannable = createSendMsgToFileSenderRunnable();
//                    AppContext.MAIN_EXECUTOR.execute(mUdpServerRuannable);
                    try {
                        AppContext.MAIN_EXECUTOR.execute(createServer());
                        mIsInitialized = true;
                    } catch (Exception e) {
                        e.printStackTrace();
                        mIsInitialized = false;
                    }
                }
            }
        };
        IntentFilter filter = new IntentFilter(WifiAPBroadcastReceiver.ACTION_WIFI_AP_STATE_CHANGED);
        registerReceiver(mWifiAPBroadcastReceiver, filter);

        ApMgr.isApOn(getContext()); // check Ap state :boolean
        String ssid = TextUtils.isNullOrBlank(android.os.Build.DEVICE) ? Constant.DEFAULT_SSID : android.os.Build.DEVICE;
        ApMgr.configApState(getContext(), ssid); // change Ap state :boolean


//        tv_tip_1.setText(getResources().getString(R.string.tip_web_transfer_first_tip).replace("{hotspot}", ssid));
    }

    /**
     * 初始化UI
     */
    private void initUI() {
        tv_title.setVisibility(View.VISIBLE);
        tv_title.setText(getResources().getString(R.string.title_web_transfer));

        String normalColor = "#ff000000";
        String highlightColor = "#1467CD";
//        <font color=\'#ff0000\'>【题】</font>
        String ssid = TextUtils.isNullOrBlank(android.os.Build.DEVICE) ? Constant.DEFAULT_SSID : android.os.Build.DEVICE;
        String tip1 = getContext().getResources().getString(R.string.tip_web_transfer_first_tip).replace("{hotspot}", ssid);
        String[] tip1StringArray = tip1.split("\\n");
        Spanned tip1Spanned = Html.fromHtml("<font color='" + normalColor + "'>" + tip1StringArray[0].trim() + "</font><br>"
                                        + "<font color='" + normalColor + "'>" + tip1StringArray[1].trim() + "</font><br>"
                                        + "<font color='" + highlightColor + "'>" + tip1StringArray[2].trim() + "</font>");
        tv_tip_1.setText(tip1Spanned);

        String tip2 = getContext().getResources().getString(R.string.tip_web_transfer_second_tip);
        String[] tip2StringArray = tip2.split("\\n");
        Spanned tip2Spanned = Html.fromHtml("<font color='" + normalColor + "'>" + tip2StringArray[0].trim() + "</font><br>"
                + "<font color='" + normalColor + "'>" + tip2StringArray[1].trim() + "</font><br>"
                + "<font color='" + highlightColor + "'>" + tip2StringArray[2].trim() + "</font><br>"
                + "<font color='" + normalColor + "'>" + tip2StringArray[3].trim() + "</font><br>");
        tv_tip_2.setText(tip2Spanned);


//        String tip1 = getContext().getResources().getString(R.string.tip_web_transfer_first_tip).replace("{hotspot}", ssid);
//        String[] tip1StringArray = tip1.split("\\n");
//        Spanned tip1Spanned = Html.fromHtml("<p style='text-align:center'><font color='" + normalColor + "'>" + tip1StringArray[0].trim() + "</font></p>"
//                + "<p style='text-align:center'><font color='" + normalColor + "'>" + tip1StringArray[1].trim() + "</font></p>"
//                + "<p style='text-align:center'><font color='" + highlightColor + "'>" + tip1StringArray[2].trim() + "</font></p>");
//        tv_tip_1.setText(tip1Spanned);
//
//        String tip2 = getContext().getResources().getString(R.string.tip_web_transfer_second_tip);
//        String[] tip2StringArray = tip2.split("\\n");
//        Spanned tip2Spanned = Html.fromHtml("<p style='text-align:center'><font color='" + normalColor + "'>" + tip2StringArray[0].trim() + "</font></p>"
//                + "<p style='text-align:center'><font color='" + normalColor + "'>" + tip2StringArray[1].trim() + "</font></p>"
//                + "<p style='text-align:center'><font color='" + highlightColor + "'>" + tip2StringArray[2].trim() + "</font></p>"
//                + "<p style='text-align:center'><font color='" + normalColor + "'>" + tip2StringArray[3].trim() + "</font></p>");
//        tv_tip_2.setText(tip2Spanned);
    }

    @OnClick({R.id.tv_back})
    public void onClick(View view){
        switch (view.getId()){
            case R.id.tv_back:{
                onBackPressed();
                break;
            }
        }
    }


    /**
     * 创建一个AndroidMicroServer
     * @return
     * @throws Exception
     */
    public Runnable createServer() throws Exception{
        return new Runnable() {
            @Override
            public void run() {
                try{
                    // 确保热点开启之后获取得到IP地址
                    String hotspotIpAddr = WifiMgr.getInstance(getContext()).getHotspotLocalIpAddress();
                    int count = 0;
                    while(hotspotIpAddr.equals(Constant.DEFAULT_UNKOWN_IP) && count < Constant.DEFAULT_TRY_TIME){
                        Thread.sleep(1000);
                        hotspotIpAddr = WifiMgr.getInstance(getContext()).getIpAddressFromHotspot();
                        Log.i(TAG, "receiver serverIp ----->>>" + hotspotIpAddr);
                        count ++;
                    }

                    // 即使热点wifi的IP地址也是无法连接网络 所以采取此策略
                    count = 0;
                    while(!NetUtils.pingIpAddress(hotspotIpAddr) && count < Constant.DEFAULT_TRY_TIME){
                        Thread.sleep(500);
                        Log.i(TAG, "try to ping ----->>>" + hotspotIpAddr + " - " + count );
                        count ++;
                    }
                }catch(Exception e){
                    //maybe not get the hotspot ip
                }
                mAndroidMicroServer = new AndroidMicroServer(Constant.DEFAULT_MICRO_SERVER_PORT);
                mAndroidMicroServer.resgisterResUriHandler(new MyIndexResUriHandler(WebTransferActivity.this, AppContext.getAppContext().getFileInfoMap()));
                mAndroidMicroServer.resgisterResUriHandler(new ImageResUriHandler(WebTransferActivity.this));
                mAndroidMicroServer.resgisterResUriHandler(new DownloadResUriHandler(WebTransferActivity.this));
                mAndroidMicroServer.start();
            }
        };

    }


    /**
     * 关闭Android微服务器
     */
    private void closeServer(){
        if(mAndroidMicroServer != null){
            mAndroidMicroServer.stop();
            mAndroidMicroServer = null;
        }
    }


    static class MyIndexResUriHandler extends IndexResUriHandler {

        public static final String DOWNLOAD_PREFIX = "http://192.168.43.1:3999/download/";
        public static final String IMAGE_PREFIX = "http://192.168.43.1:3999/image/";
        public static final String DEFAULT_IMAGE_PATH = "http://192.168.43.1:3999/image/logo.png";

        Activity sActivity;
        Map<String, FileInfo> sFileInfoMap = null;


        public MyIndexResUriHandler(Activity activity) {
            super(activity);
            this.sActivity = activity;
        }

        public MyIndexResUriHandler(Activity activity, Map<String, FileInfo> fileMap){
            super(activity);
            this.sActivity = activity;
            this.sFileInfoMap = fileMap;
        }


        @Override
        public String convert(String indexHtml) {
            StringBuilder allFileListInfoHtmlBuilder = new StringBuilder();
            int count = this.sFileInfoMap.size();
            indexHtml = indexHtml.replaceAll("\\{app_avatar\\}", DEFAULT_IMAGE_PATH);
            indexHtml = indexHtml.replaceAll("\\{app_path\\}", DOWNLOAD_PREFIX);
            indexHtml = indexHtml.replaceAll("\\{app_name\\}", this.sActivity.getResources().getString(R.string.app_name));
            String ssid = TextUtils.isNullOrBlank(android.os.Build.DEVICE) ? Constant.DEFAULT_SSID : android.os.Build.DEVICE;
            indexHtml = indexHtml.replaceAll("\\{file_share\\}", ssid);
            indexHtml = indexHtml.replaceAll("\\{file_count\\}", String.valueOf(count));

            List<FileInfo> apkInfos = ClassifyUtils.filter(this.sFileInfoMap, FileInfo.TYPE_APK);
            List<FileInfo> jpgInfos = ClassifyUtils.filter(this.sFileInfoMap, FileInfo.TYPE_JPG);
            List<FileInfo> mp3Infos = ClassifyUtils.filter(this.sFileInfoMap, FileInfo.TYPE_MP3);
            List<FileInfo> mp4Infos = ClassifyUtils.filter(this.sFileInfoMap, FileInfo.TYPE_MP4);

            try {
                String apkInfosHtml = getClassifyFileInfoListHtml(apkInfos, FileInfo.TYPE_APK);
                String jpgInfosHtml = getClassifyFileInfoListHtml(jpgInfos, FileInfo.TYPE_JPG);
                String mp3InfosHtml = getClassifyFileInfoListHtml(mp3Infos, FileInfo.TYPE_MP3);
                String mp4InfosHtml = getClassifyFileInfoListHtml(mp4Infos, FileInfo.TYPE_MP4);

                allFileListInfoHtmlBuilder.append(apkInfosHtml);
                allFileListInfoHtmlBuilder.append(jpgInfosHtml);
                allFileListInfoHtmlBuilder.append(mp3InfosHtml);
                allFileListInfoHtmlBuilder.append(mp4InfosHtml);
                indexHtml = indexHtml.replaceAll("\\{file_list_template\\}", allFileListInfoHtmlBuilder.toString());
            } catch (IOException e) {
                e.printStackTrace();
            }


            return indexHtml;
        }

        /**
         * 获取指定文件类型的的html字符串
         * @param fieInfos
         * @throws IOException
         */
        private String getFileInfoListHtml(List<FileInfo> fieInfos) throws IOException {
            StringBuilder sb = new StringBuilder();
            for(FileInfo fileInfo : fieInfos){
                String fileInfoHtml = IOStreamUtils.inputStreamToString(sActivity.getAssets().open(Constant.NAME_FILE_TEMPLATE));
                fileInfoHtml = fileInfoHtml.replaceAll("\\{file_avatar\\}", IMAGE_PREFIX + FileUtils.getFileName(fileInfo.getFilePath()));
                fileInfoHtml = fileInfoHtml.replaceAll("\\{file_name\\}", FileUtils.getFileName(fileInfo.getFilePath()));
                fileInfoHtml = fileInfoHtml.replaceAll("\\{file_size\\}", FileUtils.getFileSize(fileInfo.getSize()));
                fileInfoHtml = fileInfoHtml.replaceAll("\\{file_path\\}", DOWNLOAD_PREFIX + FileUtils.getFileName(fileInfo.getFilePath()));

                sb.append(fileInfoHtml);
            }

            return sb.toString();
        }

        /**
         * 获取大类别的Html字符串
         * @param fileInfos
         * @param type
         * @return
         * @throws IOException
         */
        private String getClassifyFileInfoListHtml(List<FileInfo> fileInfos, int type) throws IOException{
            if(fileInfos == null || fileInfos.size() <= 0){
                return "";
            }

            String classifyHtml = IOStreamUtils.inputStreamToString(sActivity.getAssets().open(Constant.NAME_CLASSIFY_TEMPLATE));

            String className = "";
            switch (type){
                case FileInfo.TYPE_APK:{
                    className = sActivity.getResources().getString(R.string.str_apk_desc);
                    break;
                }
                case FileInfo.TYPE_JPG:{
                    className = sActivity.getResources().getString(R.string.str_jpeg_desc);
                    break;
                }
                case FileInfo.TYPE_MP3:{
                    className = sActivity.getResources().getString(R.string.str_mp3_desc);
                    break;
                }
                case FileInfo.TYPE_MP4:{
                    className = sActivity.getResources().getString(R.string.str_mp4_desc);
                    break;
                }

            }
            classifyHtml = classifyHtml.replaceAll("\\{class_name\\}", className);
            classifyHtml = classifyHtml.replaceAll("\\{class_count\\}", String.valueOf(fileInfos.size()));
            classifyHtml = classifyHtml.replaceAll("\\{file_list\\}", getFileInfoListHtml(fileInfos));

            return classifyHtml;
        }
    }

}