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@@ -0,0 +1,287 @@
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+package com.dlc.exam.ui.learn;
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+
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+import android.content.Intent;
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+import android.os.Bundle;
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+import android.os.Handler;
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+import android.os.Looper;
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+import android.os.Message;
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+import android.view.LayoutInflater;
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+import android.view.View;
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+import android.view.ViewGroup;
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+import android.webkit.ConsoleMessage;
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+import android.webkit.WebChromeClient;
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+import android.webkit.WebResourceError;
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+import android.webkit.WebResourceRequest;
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+import android.webkit.WebSettings;
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+import android.webkit.WebView;
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+import android.webkit.WebViewClient;
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+import android.widget.LinearLayout;
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+import android.widget.Toast;
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+
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+import androidx.annotation.NonNull;
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+import androidx.annotation.Nullable;
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+
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+import com.blankj.utilcode.util.LogUtils;
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+import com.dlc.exam.common.CommonUtils;
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+import com.dlc.exam.databinding.ActivityLearnDetailWebBinding;
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+import com.dlc.exam.ui.common.BaseCountDownActivity;
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+import com.dlc.exam.ui.learn.test.ClassTestActivity;
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+import com.dlc.exam.ui.widget.JsInterface;
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+import com.rc.core.util.EscapeUnescape;
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+import com.rc.httpcore.HttpConfig;
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+import com.rc.httpcore.client.ApiRepository;
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+import com.rc.httpcore.vo.request.ExamLearnReq;
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+
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+import io.reactivex.disposables.Disposable;
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+import okhttp3.HttpUrl;
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+
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+public class LearnDetailLibOfficeActivity extends BaseCountDownActivity<ActivityLearnDetailWebBinding> implements View.OnClickListener {
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+
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+ private ActivityLearnDetailWebBinding binding;
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+ private LearnChapterBean learnChapterBean;
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+ private WebView webView;
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+ private boolean learnCompleted = false;// 是否已完成学习
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+ private long learnTimeSecond = 0L;
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+
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+ @NonNull
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+ @Override
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+ protected ActivityLearnDetailWebBinding createViewBinding() {
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+ return ActivityLearnDetailWebBinding.inflate(LayoutInflater.from(this));
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+ }
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+
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+ @Override
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+ protected void initViews(@Nullable Bundle savedInstanceState) {
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+ super.initViews(savedInstanceState);
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+
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+ binding = getViewBinding();
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+ Intent getIntent = getIntent();
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+ if (null != getIntent && getIntent.hasExtra("Chapter")) {
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+ learnChapterBean = getIntent.getParcelableExtra("Chapter");
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+ boolean relearn = getIntent.getBooleanExtra("relearn", false);
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+ if (null == learnChapterBean) {
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+ finish();
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+ return;
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+ }
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+ binding.back.setOnClickListener(this);
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+ binding.titleText.setText(learnChapterBean.title);
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+ // 是否完成学习
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+ binding.learnCompleted.setVisibility(relearn ? View.GONE : View.VISIBLE);
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+ binding.learnCompleted.setOnClickListener(this);
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+ // 初始化WebView
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+ LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
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+ webView = new WebView(getApplicationContext());
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+ webView.setLayoutParams(params);
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+ binding.mainLL.addView(webView);
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+ WebView.setWebContentsDebuggingEnabled(true);
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+ WebSettings webSettings = webView.getSettings();
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+ webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
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+ webSettings.setSupportZoom(true);
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+ webSettings.setLoadWithOverviewMode(true);
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+ webSettings.setUseWideViewPort(true);
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+ webSettings.setDomStorageEnabled(true);//DOM Storage
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+ webSettings.setAllowFileAccessFromFileURLs(true);
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+ webSettings.setAllowFileAccess(true);
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+ webSettings.setAllowContentAccess(true);
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+ webSettings.setAllowUniversalAccessFromFileURLs(true);
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+ webSettings.setBuiltInZoomControls(true);
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+ webSettings.setDefaultTextEncodingName("utf-8");
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+ webSettings.setJavaScriptEnabled(true);//设置webview支持javascript脚本
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+ webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_COMPATIBILITY_MODE);
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+ webView.addJavascriptInterface(new JsInterface(), "Android");
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+ webView.setWebChromeClient(webChromeClient);
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+ webView.setWebViewClient(webViewClient);
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+ webView.requestFocus();
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+ // 富文本
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+ if ("5".equals(learnChapterBean.type)) {
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+ webView.loadDataWithBaseURL(null, EscapeUnescape.unescape(learnChapterBean.chapterData), "text/html", "utf-8", null);
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+ } else {
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+ String baseUrl = HttpConfig.Companion.getAPI_BASE_URL();
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+ HttpUrl httpUrl = HttpUrl.get(baseUrl);
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+ String libOfficeUrl = httpUrl.scheme() + "://" + httpUrl.host() + ":19999/";
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+ String chapterData = learnChapterBean.chapterData;
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+ if (!"http".startsWith(chapterData)) {
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+ chapterData = HttpConfig.Companion.getAPI_BASE_URL() + learnChapterBean.chapterData;
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+ }
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+ webView.loadUrl(libOfficeUrl + "file_to_images/" + chapterData);
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+ }
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+
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+ } else {
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+ finish();
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+ }
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+ }
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+
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+ private final WebViewClient webViewClient = new WebViewClient() {
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+ @Override
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+ public void onPageFinished(WebView view, String url) {
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+ super.onPageFinished(view, url);
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+ LogUtils.d("Jayce", url);
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+ }
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+
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+ @Override
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+ public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
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+ super.onReceivedError(view, request, error);
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+
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+ LogUtils.e("Jayce", error.getErrorCode(), error.getDescription());
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+ }
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+ };
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+
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+ private final WebChromeClient webChromeClient = new WebChromeClient() {
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+ @Override
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+ public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
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+ if (ConsoleMessage.MessageLevel.ERROR == consoleMessage.messageLevel()) {
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+ LogUtils.e("Jayce", consoleMessage.message(), consoleMessage.lineNumber(), consoleMessage.sourceId());
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+ } else {
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+ if (consoleMessage.message().startsWith("status")) {
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+ String[] statusArray = consoleMessage.message().split(" ", -1);
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+ if (statusArray.length > 1) {
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+ String code = statusArray[1];
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+ if ("200".equals(code)) {
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+ startLearn();
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+ } else if ("400".equals(code)) {
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+ Toast.makeText(LearnDetailLibOfficeActivity.this, "无法预览", Toast.LENGTH_LONG).show();
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+ finish();
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+ }
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+ }
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+ }
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+ LogUtils.d("Jayce", consoleMessage.message(), consoleMessage.lineNumber(), consoleMessage.sourceId());
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+ }
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+ return true;
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+ }
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+
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+ @Override
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+ public void onProgressChanged(WebView view, int newProgress) {
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+ super.onProgressChanged(view, newProgress);
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+ LogUtils.d("Jayce", "加载进度:" + newProgress);
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+ }
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+
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+ @Override
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+ public void onCloseWindow(WebView window) {
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+ super.onCloseWindow(window);
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+ String js = "javascript:objPreviewerDestroy()";
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+ webView.evaluateJavascript(js, value -> {
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+ LogUtils.d("Jayce", value);
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+ });
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+ }
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+ };
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+
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+ /**
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+ * 完成学习
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+ */
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+ private void finishLearn() {
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+ showLoading("保存中...", false);
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+ ExamLearnReq examLearnReq = new ExamLearnReq();
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+ examLearnReq.chapterId = learnChapterBean.chapterId;
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+ examLearnReq.courseId = learnChapterBean.courseId;
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+ Disposable disposable = ApiRepository.INSTANCE.examLearnFinish(examLearnReq).subscribe(learnBonusBean -> {
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+ dismissLoading();
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+ LogUtils.json("Jayce", learnBonusBean);
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+ learnCompleted = true;
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+ new LearnCompletedDialog(LearnDetailLibOfficeActivity.this, learnBonusBean, false, learnChapterBean.assessStatus, () -> {
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+ binding.learnCompleted.setEnabled(false);
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+ // 课后考核
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+ if (learnChapterBean.assessStatus) {
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+ Intent intent = new Intent(LearnDetailLibOfficeActivity.this, ClassTestActivity.class);
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+ intent.putExtra("chapterId", learnChapterBean.chapterId);
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+ startActivity(intent);
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+ setResult(RESULT_OK);
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+ }
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+ finish();
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+ return null;
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+ }).show();
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+ }, throwable -> {
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+ dismissLoading();
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+ throwable.printStackTrace();
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+ showNetError(throwable);
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+ });
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+ addDisposable(disposable);
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+ }
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+
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+ private Handler cdHandler = new Handler(Looper.getMainLooper()) {
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+ @Override
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+ public void handleMessage(@NonNull Message msg) {
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+ super.handleMessage(msg);
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+ learnTimeSecond++;
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+ binding.learnDuration.setText("已学习时长:" + CommonUtils.INSTANCE.formatLearnTime(learnTimeSecond));
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+ sendEmptyMessageDelayed(1, 1000);
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+ if (learnTimeSecond >= learnChapterBean.duration) {
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+ binding.learnCompleted.setEnabled(true);
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+ }
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+ }
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+ };
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+
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+ private volatile boolean isStartLearn = false;
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+
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+ /**
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+ * 开始学习
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+ */
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+ private void startLearn() {
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+ if (!isStartLearn) {
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+ showLoading("加载中...", false);
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+ ExamLearnReq examLearnReq = new ExamLearnReq();
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+ examLearnReq.chapterId = learnChapterBean.chapterId;
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+ examLearnReq.courseId = learnChapterBean.courseId;
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+ Disposable disposable = ApiRepository.INSTANCE.examLearnStart(examLearnReq).subscribe(aBoolean -> {
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+ isStartLearn = true;
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+ dismissLoading();
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+ learnTimeSecond = 0L;
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+ cdHandler.sendEmptyMessage(1);
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+
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+ }, throwable -> {
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+ dismissLoading();
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+ throwable.printStackTrace();
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+ showNetError(throwable);
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+ });
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+ addDisposable(disposable);
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+ }
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+ }
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+
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+ @Override
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+ protected void onPause() {
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+ webView.onPause();
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+ super.onPause();
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+ }
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+
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+ @Override
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+ protected void onResume() {
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+ webView.onResume();
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+ super.onResume();
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+ }
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+
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+ @Override
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+ protected void onDestroy() {
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+ if (webView != null) {
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+ webView.loadDataWithBaseURL(null, "", "text/html", "utf-8", null);
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+ webView.clearHistory();
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+ binding.mainLL.removeAllViewsInLayout();
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+ webView.destroy();
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+ webView = null;
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+ }
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+ cdHandler.removeMessages(1);
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+ cdHandler.removeCallbacksAndMessages(null);
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+ cdHandler = null;
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+ super.onDestroy();
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+ }
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+
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+ @Override
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+ public void onBackPressed() {
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+ if (learnCompleted) {
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+ setResult(RESULT_OK);
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+ }
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+ super.onBackPressed();
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+ }
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+
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+ @Override
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+ public void onClick(View v) {
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+ if (v.getId() == binding.back.getId()) {
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+ onBackPressed();
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+ }
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+ // 完成学习
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+ else if (v.getId() == binding.learnCompleted.getId()) {
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+ learnTimeSecond = 0L;
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+ cdHandler.removeMessages(1);
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+ finishLearn();
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+ }
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+ }
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+
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+
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+}
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JaycePC