St.John's v1.0.9 - LearningVideoWebViewActivity.java 源代码

package com.mcb.stjohnsemschool.activity;

import android.os.AsyncTask;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.webkit.WebView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import androidx.appcompat.app.AppCompatActivity;
import com.google.firebase.analytics.FirebaseAnalytics;
import com.mcb.stjohnsemschool.utils.TransparentProgressDialog;
import com.mcb.stjohnsemschool.utils.Utility;
import com.mcb.stjohnsemschool.utils.VideoEnabledWebChromeClient;
import com.mcb.stjohnsemschool.utils.VideoEnabledWebView;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.net.URL;
import java.net.URLConnection;

public class LearningVideoWebViewActivity extends AppCompatActivity {
    private static final String TAG = "com.mcb.stjohnsemschool.activity.LearningVideoWebViewActivity";
    private boolean allowDownload;
    private int chapterId;
    private boolean isFile;
    private boolean isLearning;
    private ImageView mDownload;
    private TransparentProgressDialog mProgressbar;
    private int resourceId;
    private int topicId;
    private VideoEnabledWebView webView;
    private String subjectGUID = "";
    private String url = "";

    protected void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        setContentView(R.layout.activity_video_enabled_webview);
        this.url = getIntent().getStringExtra("URL");
        getIntent().getStringExtra("Title");
        Bundle extras = getIntent().getExtras();
        this.isLearning = extras.getBoolean("IsLearning", false);
        this.allowDownload = extras.getBoolean("AllowDownload", false);
        if (this.isLearning) {
            this.subjectGUID = extras.getString("SubjectGUID", "");
            this.chapterId = extras.getInt("ChapterId", 0);
            this.topicId = extras.getInt("TopicId", 0);
            this.resourceId = extras.getInt("ResourceId", 0);
            this.isFile = extras.getBoolean("IsFile", false);
        }
        this.mProgressbar = new TransparentProgressDialog(this, R.drawable.spinner_loading_imag);
        ImageView imageView = (ImageView) findViewById(R.id.img_download);
        this.mDownload = imageView;
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                LearningVideoWebViewActivity.this.download();
            }
        });
        if (this.allowDownload) {
            String str = this.url;
            if (new File(Utility.getDownloadStorageDir(getApplicationContext()) + "/MyClassBoard/" + str.substring(str.lastIndexOf("/") + 1)).exists()) {
                this.mDownload.setVisibility(8);
            } else {
                this.mDownload.setVisibility(0);
            }
        } else {
            this.mDownload.setVisibility(8);
        }
        LinearLayout linearLayout = (LinearLayout) findViewById(R.id.ll_main);
        VideoEnabledWebView findViewById = findViewById(2131364517);
        this.webView = findViewById;
        findViewById.getSettings().setLoadsImagesAutomatically(true);
        this.webView.getSettings().setJavaScriptEnabled(true);
        this.webView.getSettings().getAllowContentAccess();
        this.webView.getSettings().setDomStorageEnabled(true);
        this.webView.getSettings().setSupportMultipleWindows(true);
        this.webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
        this.webView.getSettings().setAllowFileAccess(true);
        this.webView.getSettings().setBuiltInZoomControls(true);
        this.webView.getSettings().setDisplayZoomControls(false);
        this.webView.getSettings().setLoadWithOverviewMode(true);
        this.webView.getSettings().setUseWideViewPort(true);
        this.webView.getSettings().setSupportZoom(true);
        this.webView.getSettings().setDefaultTextEncodingName("utf-8");
        VideoEnabledWebChromeClient videoEnabledWebChromeClient = new VideoEnabledWebChromeClient(linearLayout, (ViewGroup) findViewById(R.id.videoLayout), getLayoutInflater().inflate(R.layout.view_loading_video, (ViewGroup) null), this.webView) {
            public void onProgressChanged(WebView webView, int i) {
            }
        };
        videoEnabledWebChromeClient.setOnToggledFullscreen(new VideoEnabledWebChromeClient.ToggledFullscreenCallback() {
            public void toggledFullscreen(boolean z) {
                if (z) {
                    WindowManager.LayoutParams attributes = LearningVideoWebViewActivity.this.getWindow().getAttributes();
                    attributes.flags |= 1024;
                    attributes.flags |= 128;
                    LearningVideoWebViewActivity.this.getWindow().setAttributes(attributes);
                    LearningVideoWebViewActivity.this.getWindow().getDecorView().setSystemUiVisibility(1);
                    return;
                }
                WindowManager.LayoutParams attributes2 = LearningVideoWebViewActivity.this.getWindow().getAttributes();
                attributes2.flags &= -1025;
                attributes2.flags &= -129;
                LearningVideoWebViewActivity.this.getWindow().setAttributes(attributes2);
                LearningVideoWebViewActivity.this.getWindow().getDecorView().setSystemUiVisibility(0);
            }
        });
        this.webView.setWebChromeClient(videoEnabledWebChromeClient);
        this.webView.loadUrl(this.url);
    }

    public boolean onOptionsItemSelected(MenuItem menuItem) {
        if (menuItem.getItemId() == 16908332) {
            onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(menuItem);
    }

    public void onBackPressed() {
        if (this.webView.canGoBack()) {
            this.webView.goBack();
        } else {
            super.onBackPressed();
        }
    }

    protected void onResume() {
        super.onResume();
        String string = getSharedPreferences("", 0).getString("usernamekey", "");
        Bundle bundle = new Bundle();
        bundle.putString("user_name", string);
        FirebaseAnalytics.getInstance(this).logEvent("PAGE_LEARNING_VIDEOS", bundle);
    }

    protected void onDestroy() {
        if (this.isLearning) {
            if (this.isFile) {
                Utility.saveFileViewLog(getApplicationContext(), this.subjectGUID, this.chapterId, this.topicId, this.resourceId, 1);
            } else {
                Utility.saveVideoViewLog(getApplicationContext(), this.subjectGUID, this.chapterId, this.topicId, this.resourceId, 1);
            }
        }
        super.onDestroy();
    }

    public void download() {
        if (Utility.hasNetworkConnection(getApplicationContext())) {
            new DownloadFileAsync(this.url).execute(new String[0]);
        } else {
            Utility.showInfoDialog(this, "Please check your internet connection");
        }
    }

    class DownloadFileAsync extends AsyncTask<String, String, String> {
        private String imageUrl;

        public DownloadFileAsync(String str) {
            this.imageUrl = str;
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            if (LearningVideoWebViewActivity.this.mProgressbar == null || LearningVideoWebViewActivity.this.mProgressbar.isShowing()) {
                return;
            }
            LearningVideoWebViewActivity.this.mProgressbar.show();
        }

        @Override
        public String doInBackground(String... strArr) {
            try {
                try {
                    URL url = new URL(this.imageUrl);
                    URLConnection openConnection = url.openConnection();
                    openConnection.connect();
                    int contentLength = openConnection.getContentLength();
                    File file = new File(Utility.getDownloadStorageDir(LearningVideoWebViewActivity.this.getApplicationContext()) + "/MyClassBoard/");
                    if (!file.exists()) {
                        file.mkdirs();
                    }
                    String str = this.imageUrl;
                    String substring = str.substring(str.lastIndexOf("/") + 1);
                    BufferedInputStream bufferedInputStream = new BufferedInputStream(url.openStream());
                    FileOutputStream fileOutputStream = new FileOutputStream(file + "/" + substring);
                    byte[] bArr = new byte[1024];
                    long j = 0;
                    while (true) {
                        int read = bufferedInputStream.read(bArr);
                        if (read != -1) {
                            j += read;
                            long j2 = (100 * j) / contentLength;
                            fileOutputStream.write(bArr, 0, read);
                        } else {
                            fileOutputStream.flush();
                            fileOutputStream.close();
                            bufferedInputStream.close();
                            return null;
                        }
                    }
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                    return null;
                }
            } catch (Exception e2) {
                e2.printStackTrace();
                return null;
            }
        }

        @Override
        public void onPostExecute(String str) {
            if (LearningVideoWebViewActivity.this.mProgressbar != null && LearningVideoWebViewActivity.this.mProgressbar.isShowing()) {
                LearningVideoWebViewActivity.this.mProgressbar.dismiss();
            }
            String str2 = this.imageUrl;
            File file = new File(Utility.getDownloadStorageDir(LearningVideoWebViewActivity.this.getApplicationContext()) + "/MyClassBoard/" + str2.substring(str2.lastIndexOf("/") + 1));
            if (file.exists()) {
                LearningVideoWebViewActivity.this.mDownload.setVisibility(8);
            } else {
                LearningVideoWebViewActivity.this.mDownload.setVisibility(0);
            }
            Utility.showInfoDialog(LearningVideoWebViewActivity.this, "Downloaded to " + file.getAbsolutePath());
        }
    }
}