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package com.reactnativecommunity.webview;

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.DownloadManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.Manifest;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import androidx.annotation.RequiresApi;
import androidx.core.content.ContextCompat;
import android.text.TextUtils;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.webkit.ConsoleMessage;
import android.webkit.CookieManager;
import android.webkit.DownloadListener;
import android.webkit.GeolocationPermissions;
import android.webkit.JavascriptInterface;
import android.webkit.PermissionRequest;
import android.webkit.URLUtil;
import android.webkit.ValueCallback;
import android.webkit.WebChromeClient;
import android.webkit.WebResourceRequest;
import android.webkit.WebResourceResponse;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;

import com.facebook.react.views.scroll.ScrollEvent;
import com.facebook.react.views.scroll.ScrollEventType;
import com.facebook.react.views.scroll.OnScrollDispatchHelper;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.LifecycleEventListener;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.ReadableMapKeySetIterator;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.common.build.ReactBuildConfig;
import com.facebook.react.module.annotations.ReactModule;
import com.facebook.react.uimanager.SimpleViewManager;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.uimanager.UIManagerModule;
import com.facebook.react.uimanager.annotations.ReactProp;
import com.facebook.react.uimanager.events.ContentSizeChangeEvent;
import com.facebook.react.uimanager.events.Event;
import com.facebook.react.uimanager.events.EventDispatcher;
import com.reactnativecommunity.webview.events.TopLoadingErrorEvent;
import com.reactnativecommunity.webview.events.TopHttpErrorEvent;
import com.reactnativecommunity.webview.events.TopLoadingFinishEvent;
import com.reactnativecommunity.webview.events.TopLoadingProgressEvent;
import com.reactnativecommunity.webview.events.TopLoadingStartEvent;
import com.reactnativecommunity.webview.events.TopMessageEvent;
import com.reactnativecommunity.webview.events.TopShouldStartLoadWithRequestEvent;

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

import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import javax.annotation.Nullable;

/**
 * Manages instances of {@link WebView}
 * <p>
 * Can accept following commands:
 * - GO_BACK
 * - GO_FORWARD
 * - RELOAD
 * - LOAD_URL
 * <p>
 * {@link WebView} instances could emit following direct events:
 * - topLoadingFinish
 * - topLoadingStart
 * - topLoadingStart
 * - topLoadingProgress
 * - topShouldStartLoadWithRequest
 * <p>
 * Each event will carry the following properties:
 * - target - view's react tag
 * - url - url set for the webview
 * - loading - whether webview is in a loading state
 * - title - title of the current page
 * - canGoBack - boolean, whether there is anything on a history stack to go back
 * - canGoForward - boolean, whether it is possible to request GO_FORWARD command
 */
@ReactModule(name = RNCWebViewManager.REACT_CLASS)
public class RNCWebViewManager extends SimpleViewManager<WebView> {

  public static String activeUrl = null;
  public static final int COMMAND_GO_BACK = 1;
  public static final int COMMAND_GO_FORWARD = 2;
  public static final int COMMAND_RELOAD = 3;
  public static final int COMMAND_STOP_LOADING = 4;
  public static final int COMMAND_POST_MESSAGE = 5;
  public static final int COMMAND_INJECT_JAVASCRIPT = 6;
  public static final int COMMAND_LOAD_URL = 7;
  public static final int COMMAND_FOCUS = 8;

  // android commands
  public static final int COMMAND_CLEAR_FORM_DATA = 1000;
  public static final int COMMAND_CLEAR_CACHE = 1001;
  public static final int COMMAND_CLEAR_HISTORY = 1002;

  protected static final String REACT_CLASS = "RNCWebView";
  protected static final String HTML_ENCODING = "UTF-8";
  protected static final String HTML_MIME_TYPE = "text/html";
  protected static final String JAVASCRIPT_INTERFACE = "ReactNativeWebView";
  protected static final String HTTP_METHOD_POST = "POST";
  // Use `webView.loadUrl("about:blank")` to reliably reset the view
  // state and release page resources (including any running JavaScript).
  protected static final String BLANK_URL = "about:blank";
  protected WebViewConfig mWebViewConfig;

  protected RNCWebChromeClient mWebChromeClient = null;
  protected boolean mAllowsFullscreenVideo = false;
  protected @Nullable String mUserAgent = null;
  protected @Nullable String mUserAgentWithApplicationName = null;

  public RNCWebViewManager() {
    mWebViewConfig = new WebViewConfig() {
      public void configWebView(WebView webView) {
      }
    };
  }

  public RNCWebViewManager(WebViewConfig webViewConfig) {
    mWebViewConfig = webViewConfig;
  }

  protected static void dispatchEvent(WebView webView, Event event) {
    ReactContext reactContext = (ReactContext) webView.getContext();
    EventDispatcher eventDispatcher =
      reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher();
    eventDispatcher.dispatchEvent(event);
  }

  @Override
  public String getName() {
    return REACT_CLASS;
  }

  protected RNCWebView createRNCWebViewInstance(ThemedReactContext reactContext) {
    return new RNCWebView(reactContext);
  }

  @Override
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  protected WebView createViewInstance(ThemedReactContext reactContext) {
    RNCWebView webView = createRNCWebViewInstance(reactContext);

    // todo test
    // webView.setWebChromeClient(new WebChromeClient());
//     webView.setWebViewClient(new RNCWebViewClient());

    setupWebChromeClient(reactContext, webView);
    reactContext.addLifecycleEventListener(webView);
    mWebViewConfig.configWebView(webView);
    WebSettings settings = webView.getSettings();
    settings.setBuiltInZoomControls(true);
    settings.setDisplayZoomControls(false);
    settings.setDomStorageEnabled(true);
    settings.setAppCacheEnabled(true);
    settings.setDatabaseEnabled(true);

    // todo test
    // settings.setPluginState(WebSettings.PluginState.ON);
    settings.setJavaScriptCanOpenWindowsAutomatically(true);
    settings.setPluginState(WebSettings.PluginState.ON);
    settings.setMediaPlaybackRequiresUserGesture(false);


    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
      settings.setAllowFileAccessFromFileURLs(false);
      setAllowUniversalAccessFromFileURLs(webView, false);
    }
    setMixedContentMode(webView, "never");

    // Fixes broken full-screen modals/galleries due to body height being 0.
    webView.setLayoutParams(
      new LayoutParams(LayoutParams.MATCH_PARENT,
        LayoutParams.MATCH_PARENT));

    if (ReactBuildConfig.DEBUG && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      WebView.setWebContentsDebuggingEnabled(true);
    }

    webView.setDownloadListener(new DownloadListener() {
      public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
        RNCWebViewModule module = getModule(reactContext);

        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));

        String fileName = URLUtil.guessFileName(url, contentDisposition, mimetype);
        String downloadMessage = "Downloading " + fileName;

        //Attempt to add cookie, if it exists
        URL urlObj = null;
        try {
          urlObj = new URL(url);
          String baseUrl = urlObj.getProtocol() + "://" + urlObj.getHost();
          String cookie = CookieManager.getInstance().getCookie(baseUrl);
          request.addRequestHeader("Cookie", cookie);
        } catch (MalformedURLException e) {
          System.out.println("Error getting cookie for DownloadManager: " + e.toString());
          e.printStackTrace();
        }

        //Finish setting up request
        request.addRequestHeader("User-Agent", userAgent);
        request.setTitle(fileName);
        request.setDescription(downloadMessage);
        request.allowScanningByMediaScanner();
        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);

        module.setDownloadRequest(request);

        if (module.grantFileDownloaderPermissions()) {
          module.downloadFile();
        }
      }
    });

    return webView;
  }

  @ReactProp(name = "javaScriptEnabled")
  public void setJavaScriptEnabled(WebView view, boolean enabled) {
    view.getSettings().setJavaScriptEnabled(enabled);
  }

  @ReactProp(name = "showsHorizontalScrollIndicator")
  public void setShowsHorizontalScrollIndicator(WebView view, boolean enabled) {
    view.setHorizontalScrollBarEnabled(enabled);
  }

  @ReactProp(name = "showsVerticalScrollIndicator")
  public void setShowsVerticalScrollIndicator(WebView view, boolean enabled) {
    view.setVerticalScrollBarEnabled(enabled);
  }

  @ReactProp(name = "cacheEnabled")
  public void setCacheEnabled(WebView view, boolean enabled) {
    if (enabled) {
      Context ctx = view.getContext();
      if (ctx != null) {
        view.getSettings().setAppCachePath(ctx.getCacheDir().getAbsolutePath());
        view.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);
        view.getSettings().setAppCacheEnabled(true);
      }
    } else {
      view.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
      view.getSettings().setAppCacheEnabled(false);
    }
  }

  @ReactProp(name = "cacheMode")
  public void setCacheMode(WebView view, String cacheModeString) {
    Integer cacheMode;
    switch (cacheModeString) {
      case "LOAD_CACHE_ONLY":
        cacheMode = WebSettings.LOAD_CACHE_ONLY;
        break;
      case "LOAD_CACHE_ELSE_NETWORK":
        cacheMode = WebSettings.LOAD_CACHE_ELSE_NETWORK;
        break;
      case "LOAD_NO_CACHE":
        cacheMode = WebSettings.LOAD_NO_CACHE;
        break;
      case "LOAD_DEFAULT":
      default:
        cacheMode = WebSettings.LOAD_DEFAULT;
        break;
    }
    view.getSettings().setCacheMode(cacheMode);
  }

  @ReactProp(name = "androidHardwareAccelerationDisabled")
  public void setHardwareAccelerationDisabled(WebView view, boolean disabled) {
    if (disabled) {
      view.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    }
  }

  @ReactProp(name = "overScrollMode")
  public void setOverScrollMode(WebView view, String overScrollModeString) {
    Integer overScrollMode;
    switch (overScrollModeString) {
      case "never":
        overScrollMode = View.OVER_SCROLL_NEVER;
        break;
      case "content":
        overScrollMode = View.OVER_SCROLL_IF_CONTENT_SCROLLS;
        break;
      case "always":
      default:
        overScrollMode = View.OVER_SCROLL_ALWAYS;
        break;
    }
    view.setOverScrollMode(overScrollMode);
  }

  @ReactProp(name = "thirdPartyCookiesEnabled")
  public void setThirdPartyCookiesEnabled(WebView view, boolean enabled) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      CookieManager.getInstance().setAcceptThirdPartyCookies(view, enabled);
    }
  }

  @ReactProp(name = "textZoom")
  public void setTextZoom(WebView view, int value) {
    view.getSettings().setTextZoom(value);
  }

  @ReactProp(name = "scalesPageToFit")
  public void setScalesPageToFit(WebView view, boolean enabled) {
    view.getSettings().setLoadWithOverviewMode(enabled);
    view.getSettings().setUseWideViewPort(enabled);
  }

  @ReactProp(name = "domStorageEnabled")
  public void setDomStorageEnabled(WebView view, boolean enabled) {
    view.getSettings().setDomStorageEnabled(enabled);
  }

  @ReactProp(name = "userAgent")
  public void setUserAgent(WebView view, @Nullable String userAgent) {
    if (userAgent != null) {
      mUserAgent = userAgent;
    } else {
      mUserAgent = null;
    }
    this.setUserAgentString(view);
  }

  @ReactProp(name = "applicationNameForUserAgent")
  public void setApplicationNameForUserAgent(WebView view, @Nullable String applicationName) {
    if(applicationName != null) {
      if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        String defaultUserAgent = WebSettings.getDefaultUserAgent(view.getContext());
        mUserAgentWithApplicationName = defaultUserAgent + " " + applicationName;
      }
    } else {
      mUserAgentWithApplicationName = null;
    }
    this.setUserAgentString(view);
  }

  protected void setUserAgentString(WebView view) {
    if(mUserAgent != null) {
      view.getSettings().setUserAgentString(mUserAgent);
    } else if(mUserAgentWithApplicationName != null) {
      view.getSettings().setUserAgentString(mUserAgentWithApplicationName);
    } else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
      // handle unsets of `userAgent` prop as long as device is >= API 17
      view.getSettings().setUserAgentString(WebSettings.getDefaultUserAgent(view.getContext()));
    }
  }

  @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
  @ReactProp(name = "mediaPlaybackRequiresUserAction")
  public void setMediaPlaybackRequiresUserAction(WebView view, boolean requires) {
    view.getSettings().setMediaPlaybackRequiresUserGesture(requires);
  }

  @ReactProp(name = "allowFileAccessFromFileURLs")
  public void setAllowFileAccessFromFileURLs(WebView view, boolean allow) {
    view.getSettings().setAllowFileAccessFromFileURLs(allow);
  }

  @ReactProp(name = "allowUniversalAccessFromFileURLs")
  public void setAllowUniversalAccessFromFileURLs(WebView view, boolean allow) {
    view.getSettings().setAllowUniversalAccessFromFileURLs(allow);
  }

  @ReactProp(name = "saveFormDataDisabled")
  public void setSaveFormDataDisabled(WebView view, boolean disable) {
    view.getSettings().setSaveFormData(!disable);
  }

  @ReactProp(name = "injectedJavaScript")
  public void setInjectedJavaScript(WebView view, @Nullable String injectedJavaScript) {
    ((RNCWebView) view).setInjectedJavaScript(injectedJavaScript);
  }

  @ReactProp(name = "messagingEnabled")
  public void setMessagingEnabled(WebView view, boolean enabled) {
    ((RNCWebView) view).setMessagingEnabled(enabled);
  }

  @ReactProp(name = "incognito")
  public void setIncognito(WebView view, boolean enabled) {
    // Remove all previous cookies
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      CookieManager.getInstance().removeAllCookies(null);
    } else {
      CookieManager.getInstance().removeAllCookie();
    }

    // Disable caching
    view.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
    view.getSettings().setAppCacheEnabled(!enabled);
    view.clearHistory();
    view.clearCache(enabled);

    // No form data or autofill enabled
    view.clearFormData();
    view.getSettings().setSavePassword(!enabled);
    view.getSettings().setSaveFormData(!enabled);
  }

  @ReactProp(name = "source")
  public void setSource(WebView view, @Nullable ReadableMap source) {
    // todo test
//     view.setWebViewClient(new RNCWebViewClient());

    if (source != null) {
      if (source.hasKey("html")) {
        String html = source.getString("html");
        String baseUrl = source.hasKey("baseUrl") ? source.getString("baseUrl") : "";
        view.loadDataWithBaseURL(baseUrl, html, HTML_MIME_TYPE, HTML_ENCODING, null);
        return;
      }
      if (source.hasKey("uri")) {
        String url = source.getString("uri");
        String previousUrl = view.getUrl();
        if (previousUrl != null && previousUrl.equals(url)) {
          return;
        }
        if (source.hasKey("method")) {
          String method = source.getString("method");
          if (method.equalsIgnoreCase(HTTP_METHOD_POST)) {
            byte[] postData = null;
            if (source.hasKey("body")) {
              String body = source.getString("body");
              try {
                postData = body.getBytes("UTF-8");
              } catch (UnsupportedEncodingException e) {
                postData = body.getBytes();
              }
            }
            if (postData == null) {
              postData = new byte[0];
            }
            view.postUrl(url, postData);
            return;
          }
        }
        HashMap<String, String> headerMap = new HashMap<>();
        if (source.hasKey("headers")) {
          ReadableMap headers = source.getMap("headers");
          ReadableMapKeySetIterator iter = headers.keySetIterator();
          while (iter.hasNextKey()) {
            String key = iter.nextKey();
            if ("user-agent".equals(key.toLowerCase(Locale.ENGLISH))) {
              if (view.getSettings() != null) {
                view.getSettings().setUserAgentString(headers.getString(key));
              }
            } else {
              headerMap.put(key, headers.getString(key));
            }
          }
        }
        view.loadUrl(url, headerMap);
        return;
      }
    }
    view.loadUrl(BLANK_URL);
  }

  @ReactProp(name = "onContentSizeChange")
  public void setOnContentSizeChange(WebView view, boolean sendContentSizeChangeEvents) {
    ((RNCWebView) view).setSendContentSizeChangeEvents(sendContentSizeChangeEvents);
  }

  @ReactProp(name = "mixedContentMode")
  public void setMixedContentMode(WebView view, @Nullable String mixedContentMode) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      if (mixedContentMode == null || "never".equals(mixedContentMode)) {
        view.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_NEVER_ALLOW);
      } else if ("always".equals(mixedContentMode)) {
        view.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
      } else if ("compatibility".equals(mixedContentMode)) {
        view.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_COMPATIBILITY_MODE);
      }
    }
  }

  @ReactProp(name = "urlPrefixesForDefaultIntent")
  public void setUrlPrefixesForDefaultIntent(
    WebView view,
    @Nullable ReadableArray urlPrefixesForDefaultIntent) {
    RNCWebViewClient client = ((RNCWebView) view).getRNCWebViewClient();
    if (client != null && urlPrefixesForDefaultIntent != null) {
      client.setUrlPrefixesForDefaultIntent(urlPrefixesForDefaultIntent);
    }
  }

  @ReactProp(name = "allowsFullscreenVideo")
  public void setAllowsFullscreenVideo(
    WebView view,
    @Nullable Boolean allowsFullscreenVideo) {
    mAllowsFullscreenVideo = allowsFullscreenVideo != null && allowsFullscreenVideo;
    setupWebChromeClient((ReactContext)view.getContext(), view);
  }

  @ReactProp(name = "allowFileAccess")
  public void setAllowFileAccess(
    WebView view,
    @Nullable Boolean allowFileAccess) {
    view.getSettings().setAllowFileAccess(allowFileAccess != null && allowFileAccess);
  }

  @ReactProp(name = "geolocationEnabled")
  public void setGeolocationEnabled(
    WebView view,
    @Nullable Boolean isGeolocationEnabled) {
    view.getSettings().setGeolocationEnabled(isGeolocationEnabled != null && isGeolocationEnabled);
  }

  @ReactProp(name = "onScroll")
  public void setOnScroll(WebView view, boolean hasScrollEvent) {
    ((RNCWebView) view).setHasScrollEvent(hasScrollEvent);
  }

  @Override
  protected void addEventEmitters(ThemedReactContext reactContext, WebView view) {
    // Do not register default touch emitter and let WebView implementation handle touches
    view.setWebViewClient(new RNCWebViewClient());
  }

  @Override
  public Map getExportedCustomDirectEventTypeConstants() {
    Map export = super.getExportedCustomDirectEventTypeConstants();
    if (export == null) {
      export = MapBuilder.newHashMap();
    }
    export.put(TopLoadingProgressEvent.EVENT_NAME, MapBuilder.of("registrationName", "onLoadingProgress"));
    export.put(TopShouldStartLoadWithRequestEvent.EVENT_NAME, MapBuilder.of("registrationName", "onShouldStartLoadWithRequest"));
    export.put(ScrollEventType.getJSEventName(ScrollEventType.SCROLL), MapBuilder.of("registrationName", "onScroll"));
    export.put(TopHttpErrorEvent.EVENT_NAME, MapBuilder.of("registrationName", "onHttpError"));
    return export;
  }

  @Override
  public @Nullable
  Map<String, Integer> getCommandsMap() {
    return MapBuilder.<String, Integer>builder()
      .put("goBack", COMMAND_GO_BACK)
      .put("goForward", COMMAND_GO_FORWARD)
      .put("reload", COMMAND_RELOAD)
      .put("stopLoading", COMMAND_STOP_LOADING)
      .put("postMessage", COMMAND_POST_MESSAGE)
      .put("injectJavaScript", COMMAND_INJECT_JAVASCRIPT)
      .put("loadUrl", COMMAND_LOAD_URL)
      .put("requestFocus", COMMAND_FOCUS)
      .put("clearFormData", COMMAND_CLEAR_FORM_DATA)
      .put("clearCache", COMMAND_CLEAR_CACHE)
      .put("clearHistory", COMMAND_CLEAR_HISTORY)
      .build();
  }

  @Override
  public void receiveCommand(WebView root, int commandId, @Nullable ReadableArray args) {
    switch (commandId) {
      case COMMAND_GO_BACK:
        root.goBack();
        break;
      case COMMAND_GO_FORWARD:
        root.goForward();
        break;
      case COMMAND_RELOAD:
        root.reload();
        break;
      case COMMAND_STOP_LOADING:
        root.stopLoading();
        break;
      case COMMAND_POST_MESSAGE:
        try {
          RNCWebView reactWebView = (RNCWebView) root;
          JSONObject eventInitDict = new JSONObject();
          eventInitDict.put("data", args.getString(0));
          reactWebView.evaluateJavascriptWithFallback("(function () {" +
            "var event;" +
            "var data = " + eventInitDict.toString() + ";" +
            "try {" +
            "event = new MessageEvent('message', data);" +
            "} catch (e) {" +
            "event = document.createEvent('MessageEvent');" +
            "event.initMessageEvent('message', true, true, data.data, data.origin, data.lastEventId, data.source);" +
            "}" +
            "document.dispatchEvent(event);" +
            "})();");
        } catch (JSONException e) {
          throw new RuntimeException(e);
        }
        break;
      case COMMAND_INJECT_JAVASCRIPT:
        RNCWebView reactWebView = (RNCWebView) root;
        reactWebView.evaluateJavascriptWithFallback(args.getString(0));
        break;
      case COMMAND_LOAD_URL:
        if (args == null) {
          throw new RuntimeException("Arguments for loading an url are null!");
        }
        root.loadUrl(args.getString(0));
        break;
      case COMMAND_FOCUS:
        root.requestFocus();
        break;
      case COMMAND_CLEAR_FORM_DATA:
        root.clearFormData();
        break;
      case COMMAND_CLEAR_CACHE:
        boolean includeDiskFiles = args != null && args.getBoolean(0);
        root.clearCache(includeDiskFiles);
        break;
      case COMMAND_CLEAR_HISTORY:
        root.clearHistory();
        break;
    }
  }

  @Override
  public void onDropViewInstance(WebView webView) {
    super.onDropViewInstance(webView);
    ((ThemedReactContext) webView.getContext()).removeLifecycleEventListener((RNCWebView) webView);
    ((RNCWebView) webView).cleanupCallbacksAndDestroy();
  }

  public static RNCWebViewModule getModule(ReactContext reactContext) {
    return reactContext.getNativeModule(RNCWebViewModule.class);
  }

  protected void setupWebChromeClient(ReactContext reactContext, WebView webView) {
    if (mAllowsFullscreenVideo) {
      int initialRequestedOrientation = reactContext.getCurrentActivity().getRequestedOrientation();
      mWebChromeClient = new RNCWebChromeClient(reactContext, webView) {
        @Override
        public Bitmap getDefaultVideoPoster() {
          return Bitmap.createBitmap(50, 50, Bitmap.Config.ARGB_8888);
        }

        @Override
        public void onShowCustomView(View view, CustomViewCallback callback) {
          if (mVideoView != null) {
            callback.onCustomViewHidden();
            return;
          }

          mVideoView = view;
          mCustomViewCallback = callback;

          mReactContext.getCurrentActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);

          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            mVideoView.setSystemUiVisibility(FULLSCREEN_SYSTEM_UI_VISIBILITY);
            mReactContext.getCurrentActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
          }

          mVideoView.setBackgroundColor(Color.BLACK);
          getRootView().addView(mVideoView, FULLSCREEN_LAYOUT_PARAMS);
          mWebView.setVisibility(View.GONE);

          mReactContext.addLifecycleEventListener(this);
        }

        @Override
        public void onHideCustomView() {
          if (mVideoView == null) {
            return;
          }

          mVideoView.setVisibility(View.GONE);
          getRootView().removeView(mVideoView);
          mCustomViewCallback.onCustomViewHidden();

          mVideoView = null;
          mCustomViewCallback = null;

          mWebView.setVisibility(View.VISIBLE);

          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            mReactContext.getCurrentActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
          }
          mReactContext.getCurrentActivity().setRequestedOrientation(initialRequestedOrientation);

          mReactContext.removeLifecycleEventListener(this);
        }
      };
      webView.setWebChromeClient(mWebChromeClient);
    } else {
      if (mWebChromeClient != null) {
        mWebChromeClient.onHideCustomView();
      }
      mWebChromeClient = new RNCWebChromeClient(reactContext, webView) {
        @Override
        public Bitmap getDefaultVideoPoster() {
          return Bitmap.createBitmap(50, 50, Bitmap.Config.ARGB_8888);
        }
      };
      webView.setWebChromeClient(mWebChromeClient);
    }
  }

  protected static class RNCWebViewClient extends WebViewClient {

    protected boolean mLastLoadFailed = false;
    protected @Nullable
    ReadableArray mUrlPrefixesForDefaultIntent;

    @Override
    public void onPageFinished(WebView webView, String url) {
      super.onPageFinished(webView, url);

      if (!mLastLoadFailed) {
        RNCWebView reactWebView = (RNCWebView) webView;

        reactWebView.callInjectedJavaScript();

        emitFinishEvent(webView, url);
      }
    }

    @Override
    public void onPageStarted(WebView webView, String url, Bitmap favicon) {
      super.onPageStarted(webView, url, favicon);
      mLastLoadFailed = false;

      dispatchEvent(
        webView,
        new TopLoadingStartEvent(
          webView.getId(),
          createWebViewEvent(webView, url)));
    }

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      activeUrl = url;
      dispatchEvent(
        view,
        new TopShouldStartLoadWithRequestEvent(
          view.getId(),
          createWebViewEvent(view, url)));
      return true;
    }


    @TargetApi(Build.VERSION_CODES.N)
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
      final String url = request.getUrl().toString();
      return this.shouldOverrideUrlLoading(view, url);
    }

    @Override
    public void onReceivedError(
      WebView webView,
      int errorCode,
      String description,
      String failingUrl) {
      super.onReceivedError(webView, errorCode, description, failingUrl);
      mLastLoadFailed = true;

      // In case of an error JS side expect to get a finish event first, and then get an error event
      // Android WebView does it in the opposite way, so we need to simulate that behavior
      emitFinishEvent(webView, failingUrl);

      WritableMap eventData = createWebViewEvent(webView, failingUrl);
      eventData.putDouble("code", errorCode);
      eventData.putString("description", description);

      dispatchEvent(
        webView,
        new TopLoadingErrorEvent(webView.getId(), eventData));
    }

    @RequiresApi(api = Build.VERSION_CODES.M)
    @Override
    public void onReceivedHttpError(
      WebView webView,
      WebResourceRequest request,
      WebResourceResponse errorResponse) {
      super.onReceivedHttpError(webView, request, errorResponse);

      if (request.isForMainFrame()) {
        WritableMap eventData = createWebViewEvent(webView, request.getUrl().toString());
        eventData.putInt("statusCode", errorResponse.getStatusCode());
        eventData.putString("description", errorResponse.getReasonPhrase());

        dispatchEvent(
          webView,
          new TopHttpErrorEvent(webView.getId(), eventData));
      }
    }

    protected void emitFinishEvent(WebView webView, String url) {
      dispatchEvent(
        webView,
        new TopLoadingFinishEvent(
          webView.getId(),
          createWebViewEvent(webView, url)));
    }

    protected WritableMap createWebViewEvent(WebView webView, String url) {
      WritableMap event = Arguments.createMap();
      event.putDouble("target", webView.getId());
      // Don't use webView.getUrl() here, the URL isn't updated to the new value yet in callbacks
      // like onPageFinished
      event.putString("url", url);
      event.putBoolean("loading", !mLastLoadFailed && webView.getProgress() != 100);
      event.putString("title", webView.getTitle());
      event.putBoolean("canGoBack", webView.canGoBack());
      event.putBoolean("canGoForward", webView.canGoForward());
      return event;
    }

    public void setUrlPrefixesForDefaultIntent(ReadableArray specialUrls) {
      mUrlPrefixesForDefaultIntent = specialUrls;
    }
  }

  protected static class RNCWebChromeClient extends WebChromeClient implements LifecycleEventListener {
    protected static final FrameLayout.LayoutParams FULLSCREEN_LAYOUT_PARAMS = new FrameLayout.LayoutParams(
      LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT, Gravity.CENTER);

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    protected static final int FULLSCREEN_SYSTEM_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
      View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
      View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
      View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
      View.SYSTEM_UI_FLAG_FULLSCREEN |
      View.SYSTEM_UI_FLAG_IMMERSIVE |
      View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;

    protected ReactContext mReactContext;
    protected View mWebView;

    protected View mVideoView;
    protected WebChromeClient.CustomViewCallback mCustomViewCallback;

    public RNCWebChromeClient(ReactContext reactContext, WebView webView) {
      this.mReactContext = reactContext;
      this.mWebView = webView;
    }

    @Override
    public boolean onConsoleMessage(ConsoleMessage message) {
      if (ReactBuildConfig.DEBUG) {
        return super.onConsoleMessage(message);
      }
      // Ignore console logs in non debug builds.
      return true;
    }

    // Fix WebRTC permission request error.
    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    @Override
    public void onPermissionRequest(final PermissionRequest request) {
      String[] requestedResources = request.getResources();
      ArrayList<String> permissions = new ArrayList<>();
      ArrayList<String> grantedPermissions = new ArrayList<String>();
      for (int i = 0; i < requestedResources.length; i++) {
        if (requestedResources[i].equals(PermissionRequest.RESOURCE_AUDIO_CAPTURE)) {
          permissions.add(Manifest.permission.RECORD_AUDIO);
        } else if (requestedResources[i].equals(PermissionRequest.RESOURCE_VIDEO_CAPTURE)) {
          permissions.add(Manifest.permission.CAMERA);
        }
        // TODO: RESOURCE_MIDI_SYSEX, RESOURCE_PROTECTED_MEDIA_ID.
      }

      for (int i = 0; i < permissions.size(); i++) {
        if (ContextCompat.checkSelfPermission(mReactContext, permissions.get(i)) != PackageManager.PERMISSION_GRANTED) {
          continue;
        }
        if (permissions.get(i).equals(Manifest.permission.RECORD_AUDIO)) {
          grantedPermissions.add(PermissionRequest.RESOURCE_AUDIO_CAPTURE);
        } else if (permissions.get(i).equals(Manifest.permission.CAMERA)) {
          grantedPermissions.add(PermissionRequest.RESOURCE_VIDEO_CAPTURE);
        }
      }

      if (grantedPermissions.isEmpty()) {
        request.deny();
      } else {
        String[] grantedPermissionsArray = new String[grantedPermissions.size()];
        grantedPermissionsArray = grantedPermissions.toArray(grantedPermissionsArray);
        request.grant(grantedPermissionsArray);
      }
    }

    @Override
    public void onProgressChanged(WebView webView, int newProgress) {
      super.onProgressChanged(webView, newProgress);
      final String url = webView.getUrl();
      if (
        url != null
        && activeUrl != null
        && !url.equals(activeUrl)
      ) {
        return;
      }
      WritableMap event = Arguments.createMap();
      event.putDouble("target", webView.getId());
      event.putString("title", webView.getTitle());
      event.putString("url", url);
      event.putBoolean("canGoBack", webView.canGoBack());
      event.putBoolean("canGoForward", webView.canGoForward());
      event.putDouble("progress", (float) newProgress / 100);
      dispatchEvent(
        webView,
        new TopLoadingProgressEvent(
          webView.getId(),
          event));
    }

    @Override
    public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
      callback.invoke(origin, true, false);
    }

    protected void openFileChooser(ValueCallback<Uri> filePathCallback, String acceptType) {
      getModule(mReactContext).startPhotoPickerIntent(filePathCallback, acceptType);
    }

    protected void openFileChooser(ValueCallback<Uri> filePathCallback) {
      getModule(mReactContext).startPhotoPickerIntent(filePathCallback, "");
    }

    protected void openFileChooser(ValueCallback<Uri> filePathCallback, String acceptType, String capture) {
      getModule(mReactContext).startPhotoPickerIntent(filePathCallback, acceptType);
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    @Override
    public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) {
      String[] acceptTypes = fileChooserParams.getAcceptTypes();
      boolean allowMultiple = fileChooserParams.getMode() == WebChromeClient.FileChooserParams.MODE_OPEN_MULTIPLE;
      Intent intent = fileChooserParams.createIntent();
      return getModule(mReactContext).startPhotoPickerIntent(filePathCallback, intent, acceptTypes, allowMultiple);
    }

    @Override
    public void onHostResume() {
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && mVideoView != null && mVideoView.getSystemUiVisibility() != FULLSCREEN_SYSTEM_UI_VISIBILITY) {
        mVideoView.setSystemUiVisibility(FULLSCREEN_SYSTEM_UI_VISIBILITY);
      }
    }

    @Override
    public void onHostPause() { }

    @Override
    public void onHostDestroy() { }

    protected ViewGroup getRootView() {
      return (ViewGroup) mReactContext.getCurrentActivity().findViewById(android.R.id.content);
    }
  }

  /**
   * Subclass of {@link WebView} that implements {@link LifecycleEventListener} interface in order
   * to call {@link WebView#destroy} on activity destroy event and also to clear the client
   */
  protected static class RNCWebView extends WebView implements LifecycleEventListener {
    protected @Nullable
    String injectedJS;
    protected boolean messagingEnabled = false;
    protected @Nullable
    RNCWebViewClient mRNCWebViewClient;
    protected boolean sendContentSizeChangeEvents = false;
    private OnScrollDispatchHelper mOnScrollDispatchHelper;
    protected boolean hasScrollEvent = false;

    /**
     * WebView must be created with an context of the current activity
     * <p>
     * Activity Context is required for creation of dialogs internally by WebView
     * Reactive Native needed for access to ReactNative internal system functionality
     */
    public RNCWebView(ThemedReactContext reactContext) {
      super(reactContext);
    }

    public void setSendContentSizeChangeEvents(boolean sendContentSizeChangeEvents) {
      this.sendContentSizeChangeEvents = sendContentSizeChangeEvents;
    }

    public void setHasScrollEvent(boolean hasScrollEvent) {
      this.hasScrollEvent = hasScrollEvent;
    }

    @Override
    public void onHostResume() {
      // do nothing
    }

    @Override
    public void onHostPause() {
      // do nothing
    }

    @Override
    public void onHostDestroy() {
      cleanupCallbacksAndDestroy();
    }

    @Override
    protected void onSizeChanged(int w, int h, int ow, int oh) {
      super.onSizeChanged(w, h, ow, oh);

      if (sendContentSizeChangeEvents) {
        dispatchEvent(
          this,
          new ContentSizeChangeEvent(
            this.getId(),
            w,
            h
          )
        );
      }
    }

    @Override
    public void setWebViewClient(WebViewClient client) {
      super.setWebViewClient(client);
      if (client instanceof RNCWebViewClient) {
        mRNCWebViewClient = (RNCWebViewClient) client;
      }
    }

    public @Nullable
    RNCWebViewClient getRNCWebViewClient() {
      return mRNCWebViewClient;
    }

    public void setInjectedJavaScript(@Nullable String js) {
      injectedJS = js;
    }

    protected RNCWebViewBridge createRNCWebViewBridge(RNCWebView webView) {
      return new RNCWebViewBridge(webView);
    }

    @SuppressLint("AddJavascriptInterface")
    public void setMessagingEnabled(boolean enabled) {
      if (messagingEnabled == enabled) {
        return;
      }

      messagingEnabled = enabled;

      if (enabled) {
        addJavascriptInterface(createRNCWebViewBridge(this), JAVASCRIPT_INTERFACE);
      } else {
        removeJavascriptInterface(JAVASCRIPT_INTERFACE);
      }
    }

    protected void evaluateJavascriptWithFallback(String script) {
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        evaluateJavascript(script, null);
        return;
      }

      try {
        loadUrl("javascript:" + URLEncoder.encode(script, "UTF-8"));
      } catch (UnsupportedEncodingException e) {
        // UTF-8 should always be supported
        throw new RuntimeException(e);
      }
    }

    public void callInjectedJavaScript() {
      if (getSettings().getJavaScriptEnabled() &&
        injectedJS != null &&
        !TextUtils.isEmpty(injectedJS)) {
        evaluateJavascriptWithFallback("(function() {\n" + injectedJS + ";\n})();");
      }
    }

    public void onMessage(String message) {
      if (mRNCWebViewClient != null) {
        WebView webView = this;
        webView.post(new Runnable() {
          @Override
          public void run() {
            if (mRNCWebViewClient == null) {
              return;
            }
            WritableMap data = mRNCWebViewClient.createWebViewEvent(webView, webView.getUrl());
            data.putString("data", message);
            dispatchEvent(webView, new TopMessageEvent(webView.getId(), data));
          }
        });
      } else {
        WritableMap eventData = Arguments.createMap();
        eventData.putString("data", message);
        dispatchEvent(this, new TopMessageEvent(this.getId(), eventData));
      }
    }

    protected void onScrollChanged(int x, int y, int oldX, int oldY) {
      super.onScrollChanged(x, y, oldX, oldY);

      if (!hasScrollEvent) {
        return;
      }

      if (mOnScrollDispatchHelper == null) {
        mOnScrollDispatchHelper = new OnScrollDispatchHelper();
      }

      if (mOnScrollDispatchHelper.onScrollChanged(x, y)) {
        ScrollEvent event = ScrollEvent.obtain(
                this.getId(),
                ScrollEventType.SCROLL,
                x,
                y,
                mOnScrollDispatchHelper.getXFlingVelocity(),
                mOnScrollDispatchHelper.getYFlingVelocity(),
                this.computeHorizontalScrollRange(),
                this.computeVerticalScrollRange(),
                this.getWidth(),
                this.getHeight());

        dispatchEvent(this, event);
      }
    }

    protected void cleanupCallbacksAndDestroy() {
      setWebViewClient(null);
      destroy();
    }

    protected class RNCWebViewBridge {
      RNCWebView mContext;

      RNCWebViewBridge(RNCWebView c) {
        mContext = c;
      }

      /**
       * This method is called whenever JavaScript running within the web view calls:
       * - window[JAVASCRIPT_INTERFACE].postMessage
       */
      @JavascriptInterface
      public void postMessage(String message) {
        mContext.onMessage(message);
      }
    }
  }
}

package com.brentvatne.exoplayer;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.media.AudioManager;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.util.Log;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.accessibility.CaptioningManager;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;
import android.widget.ImageButton;
import android.widget.ImageView;

import com.brentvatne.react.R;
import com.brentvatne.receiver.AudioBecomingNoisyReceiver;
import com.brentvatne.receiver.BecomingNoisyListener;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.Dynamic;
import com.facebook.react.bridge.LifecycleEventListener;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.WritableArray;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.uimanager.ThemedReactContext;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.DefaultLoadControl;
import com.google.android.exoplayer2.DefaultRenderersFactory;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.mediacodec.MediaCodecRenderer;
import com.google.android.exoplayer2.mediacodec.MediaCodecUtil;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.MetadataOutput;
import com.google.android.exoplayer2.source.BehindLiveWindowException;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.MergingMediaSource;
import com.google.android.exoplayer2.source.ProgressiveMediaSource;
import com.google.android.exoplayer2.source.SingleSampleMediaSource;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.source.dash.DashMediaSource;
import com.google.android.exoplayer2.source.dash.DefaultDashChunkSource;
import com.google.android.exoplayer2.source.hls.HlsMediaSource;
import com.google.android.exoplayer2.source.smoothstreaming.DefaultSsChunkSource;
import com.google.android.exoplayer2.source.smoothstreaming.SsMediaSource;
import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.MappingTrackSelector;
import com.google.android.exoplayer2.trackselection.TrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.google.android.exoplayer2.ui.PlayerControlView;
import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
import com.google.android.exoplayer2.ui.PlayerView;
import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
import com.google.android.exoplayer2.upstream.BandwidthMeter;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultAllocator;
import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
import com.google.android.exoplayer2.util.Util;

import java.net.CookieHandler;
import java.net.CookieManager;
import java.net.CookiePolicy;
import java.util.ArrayList;
import java.util.Locale;
import java.util.Map;

@SuppressLint("ViewConstructor")
class ReactExoplayerView extends FrameLayout implements
        LifecycleEventListener,
        Player.EventListener,
        BandwidthMeter.EventListener,
        BecomingNoisyListener,
        AudioManager.OnAudioFocusChangeListener,
        MetadataOutput {

    private static final String TAG = "ReactExoplayerView";

    private static final CookieManager DEFAULT_COOKIE_MANAGER;
    private static final int SHOW_PROGRESS = 1;

    static {
        DEFAULT_COOKIE_MANAGER = new CookieManager();
        DEFAULT_COOKIE_MANAGER.setCookiePolicy(CookiePolicy.ACCEPT_ORIGINAL_SERVER);
    }

    private final VideoEventEmitter eventEmitter;
    private final ReactExoplayerConfig config;
    private final DefaultBandwidthMeter bandwidthMeter;
    private PlayerControlView playerControlView;
    private View playPauseControlContainer;
    private Player.EventListener eventListener;

    private PlayerView exoPlayerView;
    private int initialOrientation;

    private DataSource.Factory mediaDataSourceFactory;
    private SimpleExoPlayer player;
    private DefaultTrackSelector trackSelector;
    private boolean playerNeedsSource;

    private int resumeWindow;
    private long resumePosition;
    private boolean loadVideoStarted;
    private boolean isFullscreen;
    private boolean isInBackground;
    private boolean isPaused;
    private boolean isBuffering;
    private boolean muted = false;
    private float rate = 1f;
    private float audioVolume = 1f;
    private int minLoadRetryCount = 3;
    private int maxBitRate = 0;
    private long seekTime = C.TIME_UNSET;

    private int minBufferMs = DefaultLoadControl.DEFAULT_MIN_BUFFER_MS;
    private int maxBufferMs = DefaultLoadControl.DEFAULT_MAX_BUFFER_MS;
    private int bufferForPlaybackMs = DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_MS;
    private int bufferForPlaybackAfterRebufferMs = DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_AFTER_REBUFFER_MS;

    // Props from React
    private Uri srcUri;
    private String extension;
    private boolean repeat;
    private String audioTrackType;
    private Dynamic audioTrackValue;
    private String videoTrackType;
    private Dynamic videoTrackValue;
    private String textTrackType;
    private Dynamic textTrackValue;
    private ReadableArray textTracks;
    private boolean disableFocus;
    private float mProgressUpdateInterval = 250.0f;
    private boolean playInBackground = false;
    private Map<String, String> requestHeaders;
    private boolean mReportBandwidth = false;
    private boolean controls;
    // \ End props

    // React
    private final ThemedReactContext themedReactContext;
    private final AudioManager audioManager;
    private final AudioBecomingNoisyReceiver audioBecomingNoisyReceiver;

    private final Handler progressHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case SHOW_PROGRESS:
                    if (player != null
                            && player.getPlaybackState() == Player.STATE_READY
                            && player.getPlayWhenReady()
                            ) {
                        long pos = player.getCurrentPosition();
                        long bufferedDuration = player.getBufferedPercentage() * player.getDuration() / 100;
                        eventEmitter.progressChanged(pos, bufferedDuration, player.getDuration());
                        msg = obtainMessage(SHOW_PROGRESS);
                        sendMessageDelayed(msg, Math.round(mProgressUpdateInterval));
                    }
                    break;
            }
        }
    };

    public ReactExoplayerView(ThemedReactContext context, ReactExoplayerConfig config) {
        super(context);
        this.themedReactContext = context;
        this.initialOrientation = getResources().getConfiguration().orientation;
        this.eventEmitter = new VideoEventEmitter(context);
        this.config = config;
        this.bandwidthMeter = config.getBandwidthMeter();

        createViews();

        audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        themedReactContext.addLifecycleEventListener(this);
        audioBecomingNoisyReceiver = new AudioBecomingNoisyReceiver(themedReactContext);

        initializePlayer();
    }


    @Override
    public void setId(int id) {
        super.setId(id);
        eventEmitter.setViewId(id);
    }

    private void createViews() {
        clearResumePosition();
        mediaDataSourceFactory = buildDataSourceFactory(true);
        if (CookieHandler.getDefault() != DEFAULT_COOKIE_MANAGER) {
            CookieHandler.setDefault(DEFAULT_COOKIE_MANAGER);
        }

        LayoutParams layoutParams = new LayoutParams(
                LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT);
        exoPlayerView = new PlayerView(getContext());
        exoPlayerView.setLayoutParams(layoutParams);

        addView(exoPlayerView, 0, layoutParams);
    }

    @Override
    protected void onAttachedToWindow() {
        super.onAttachedToWindow();
        initializePlayer();
    }

    @Override
    protected void onDetachedFromWindow() {
        super.onDetachedFromWindow();
        /* We want to be able to continue playing audio when switching tabs.
         * Leave this here in case it causes issues.
         */
        // stopPlayback();
    }

    // LifecycleEventListener implementation

    @Override
    public void onHostResume() {
        if (!playInBackground || !isInBackground) {
            setPlayWhenReady(!isPaused);
        }
        isInBackground = false;
    }

    @Override
    public void onHostPause() {
        isInBackground = true;
        if (playInBackground) {
            return;
        }
        setPlayWhenReady(false);
    }

    @Override
    public void onHostDestroy() {
        stopPlayback();
    }

    public void cleanUpResources() {
        stopPlayback();
    }

    //BandwidthMeter.EventListener implementation
    @Override
    public void onBandwidthSample(int elapsedMs, long bytes, long bitrate) {
        if (mReportBandwidth) {
            eventEmitter.bandwidthReport(bitrate);
        }
    }

    // Internal methods

    /**
     * Toggling the visibility of the player control view
     */
    private void togglePlayerControlVisibility() {
        if(player == null) return;
        reLayout(playerControlView);
        if (playerControlView.isVisible()) {
            playerControlView.hide();
        } else {
            playerControlView.show();
        }
    }

    /**
     * Initializing Player control
     */
    private void initializePlayerControl() {
        if (playerControlView == null) {
            playerControlView = new PlayerControlView(getContext());
        }

        // Setting the player for the playerControlView
        playerControlView.setPlayer(player);
        playerControlView.show();
        playPauseControlContainer = playerControlView.findViewById(R.id.exo_play_pause_container);

        // Invoking onClick event for exoplayerView
        exoPlayerView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                togglePlayerControlVisibility();
            }
        });

        //Handling the playButton click event
        ImageButton playButton = playerControlView.findViewById(R.id.exo_play);
        playButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (player != null && player.getPlaybackState() == Player.STATE_ENDED) {
                    player.seekTo(0);
                }
                setPausedModifier(false);
            }
        });

        //Handling the pauseButton click event
        ImageButton pauseButton = playerControlView.findViewById(R.id.exo_pause);
        pauseButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                setPausedModifier(true);
            }
        });

        //Handling the fullScreenButton click event
        FrameLayout fullScreenButton = playerControlView.findViewById(R.id.exo_fullscreen_button);
        fullScreenButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                setFullscreen(!isFullscreen);
            }
        });
        updateFullScreenIcon(isFullscreen);

        // Invoking onPlayerStateChanged event for Player
        eventListener = new Player.EventListener() {
            @Override
            public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
                reLayout(playPauseControlContainer);
                //Remove this eventListener once its executed. since UI will work fine once after the reLayout is done
                player.removeListener(eventListener);
            }
        };
        player.addListener(eventListener);
    }

    /**
     * Adding Player control to the frame layout
     */
    private void addPlayerControl() {
        if(player == null) return;
        LayoutParams layoutParams = new LayoutParams(
                LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT);
        playerControlView.setLayoutParams(layoutParams);
        int indexOfPC = indexOfChild(playerControlView);
        if (indexOfPC != -1) {
            removeViewAt(indexOfPC);
        }
        addView(playerControlView, 1, layoutParams);
    }

    /**
     * Update fullscreen icon
     */
    private void updateFullScreenIcon(Boolean fullScreen) {
        if(playerControlView != null && player != null) {
            //Play the video whenever the user clicks minimize or maximise button. In order to enable the controls
            player.setPlayWhenReady(!isPaused);
            ImageView fullScreenIcon = playerControlView.findViewById(R.id.exo_fullscreen_icon);
            if (fullScreen) {
                fullScreenIcon.setImageResource(R.drawable.fullscreen_shrink);
            } else {
                fullScreenIcon.setImageResource(R.drawable.fullscreen_expand);
            }
        }
    }

    /**
     * Enable or Disable fullscreen button
     */
    private void enableFullScreenButton(Boolean enable) {
        if(playerControlView != null) {
            FrameLayout fullScreenButton = playerControlView.findViewById(R.id.exo_fullscreen_button);
            fullScreenButton.setAlpha(enable ? 1.0f : 0.5f);
            fullScreenButton.setEnabled(enable);
        }
    }

    /**
     * Update the layout
     * @param view  view needs to update layout
     *
     * This is a workaround for the open bug in react-native: https://github.com/facebook/react-native/issues/17968
     */
    private void reLayout(View view) {
        if (view == null) return;
        view.measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY),
                MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
        view.layout(view.getLeft(), view.getTop(), view.getMeasuredWidth(), view.getMeasuredHeight());
    }

    private void initializePlayer() {
        ReactExoplayerView self = this;
        // This ensures all props have been settled, to avoid async racing conditions.
        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                if (player == null) {
                    TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory();
                    trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);
                    trackSelector.setParameters(trackSelector.buildUponParameters()
                            .setMaxVideoBitrate(maxBitRate == 0 ? Integer.MAX_VALUE : maxBitRate));

                    DefaultAllocator allocator = new DefaultAllocator(true, C.DEFAULT_BUFFER_SEGMENT_SIZE);
                    DefaultLoadControl.Builder defaultLoadControlBuilder = new DefaultLoadControl.Builder();
                    defaultLoadControlBuilder.setAllocator(allocator);
                    defaultLoadControlBuilder.setBufferDurationsMs(minBufferMs, maxBufferMs, bufferForPlaybackMs, bufferForPlaybackAfterRebufferMs);
                    defaultLoadControlBuilder.setTargetBufferBytes(-1);
                    defaultLoadControlBuilder.setPrioritizeTimeOverSizeThresholds(true);
                    DefaultLoadControl defaultLoadControl = defaultLoadControlBuilder.createDefaultLoadControl();
                    DefaultRenderersFactory renderersFactory =
                            new DefaultRenderersFactory(getContext())
                                    .setExtensionRendererMode(DefaultRenderersFactory.EXTENSION_RENDERER_MODE_OFF);
                    // TODO: Add drmSessionManager to 5th param from: https://github.com/react-native-community/react-native-video/pull/1445
                    player = ExoPlayerFactory.newSimpleInstance(getContext(), renderersFactory,
                            trackSelector, defaultLoadControl, null, bandwidthMeter);
                    player.addListener(self);
                    player.addMetadataOutput(self);
                    exoPlayerView.setPlayer(player);
                    audioBecomingNoisyReceiver.setListener(self);
                    bandwidthMeter.addEventListener(new Handler(), self);
                    setPlayWhenReady(!isPaused);
                    playerNeedsSource = true;

                    PlaybackParameters params = new PlaybackParameters(rate, 1f);
                    player.setPlaybackParameters(params);
                }
                if (playerNeedsSource && srcUri != null) {
                    ArrayList<MediaSource> mediaSourceList = buildTextSources();
                    MediaSource videoSource = buildMediaSource(srcUri, extension);
                    MediaSource mediaSource;
                    if (mediaSourceList.size() == 0) {
                        mediaSource = videoSource;
                    } else {
                        mediaSourceList.add(0, videoSource);
                        MediaSource[] textSourceArray = mediaSourceList.toArray(
                                new MediaSource[mediaSourceList.size()]
                        );
                        mediaSource = new MergingMediaSource(textSourceArray);
                    }

                    boolean haveResumePosition = resumeWindow != C.INDEX_UNSET;
                    if (haveResumePosition) {
                        player.seekTo(resumeWindow, resumePosition);
                    }
                    player.prepare(mediaSource, !haveResumePosition, false);
                    playerNeedsSource = false;

                    eventEmitter.loadStart();
                    loadVideoStarted = true;
                }

                // Initializing the playerControlView
                initializePlayerControl();
                setControls(controls);
                applyModifiers();
            }
        }, 1);
    }

    private MediaSource buildMediaSource(Uri uri, String overrideExtension) {
        int type = Util.inferContentType(!TextUtils.isEmpty(overrideExtension) ? "." + overrideExtension
                : uri.getLastPathSegment());
        switch (type) {
            case C.TYPE_SS:
                return new SsMediaSource.Factory(
                        new DefaultSsChunkSource.Factory(mediaDataSourceFactory),
                        buildDataSourceFactory(false)
                ).setLoadErrorHandlingPolicy(
                        config.buildLoadErrorHandlingPolicy(minLoadRetryCount)
                ).createMediaSource(uri);
            case C.TYPE_DASH:
                return new DashMediaSource.Factory(
                        new DefaultDashChunkSource.Factory(mediaDataSourceFactory),
                        buildDataSourceFactory(false)
                ).setLoadErrorHandlingPolicy(
                        config.buildLoadErrorHandlingPolicy(minLoadRetryCount)
                ).createMediaSource(uri);
            case C.TYPE_HLS:
                return new HlsMediaSource.Factory(
                        mediaDataSourceFactory
                ).setLoadErrorHandlingPolicy(
                        config.buildLoadErrorHandlingPolicy(minLoadRetryCount)
                ).createMediaSource(uri);
            case C.TYPE_OTHER:
                return new ProgressiveMediaSource.Factory(
                        mediaDataSourceFactory
                ).setLoadErrorHandlingPolicy(
                        config.buildLoadErrorHandlingPolicy(minLoadRetryCount)
                ).createMediaSource(uri);
            default: {
                throw new IllegalStateException("Unsupported type: " + type);
            }
        }
    }

    private ArrayList<MediaSource> buildTextSources() {
        ArrayList<MediaSource> textSources = new ArrayList<>();
        if (textTracks == null) {
            return textSources;
        }

        for (int i = 0; i < textTracks.size(); ++i) {
            ReadableMap textTrack = textTracks.getMap(i);
            String language = textTrack.getString("language");
            String title = textTrack.hasKey("title")
                    ? textTrack.getString("title") : language + " " + i;
            Uri uri = Uri.parse(textTrack.getString("uri"));
            MediaSource textSource = buildTextSource(title, uri, textTrack.getString("type"),
                    language);
            if (textSource != null) {
                textSources.add(textSource);
            }
        }
        return textSources;
    }

    private MediaSource buildTextSource(String title, Uri uri, String mimeType, String language) {
        Format textFormat = Format.createTextSampleFormat(title, mimeType, Format.NO_VALUE, language);
        return new SingleSampleMediaSource.Factory(mediaDataSourceFactory)
                .createMediaSource(uri, textFormat, C.TIME_UNSET);
    }

    private void releasePlayer() {
        if (player != null) {
            updateResumePosition();
            player.release();
            player.removeMetadataOutput(this);
            trackSelector = null;
            player = null;
        }
        progressHandler.removeMessages(SHOW_PROGRESS);
        themedReactContext.removeLifecycleEventListener(this);
        audioBecomingNoisyReceiver.removeListener();
        bandwidthMeter.removeEventListener(this);
    }

    private boolean requestAudioFocus() {
        if (disableFocus || srcUri == null) {
            return true;
        }
        int result = audioManager.requestAudioFocus(this,
                AudioManager.STREAM_MUSIC,
                AudioManager.AUDIOFOCUS_GAIN);
        return result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED;
    }

    private void setPlayWhenReady(boolean playWhenReady) {
        if (player == null) {
            return;
        }

        if (playWhenReady) {
            boolean hasAudioFocus = requestAudioFocus();
            if (hasAudioFocus) {
                player.setPlayWhenReady(true);
            }
        } else {
            player.setPlayWhenReady(false);
        }
    }

    private void startPlayback() {
        if (player != null) {
            switch (player.getPlaybackState()) {
                case Player.STATE_IDLE:
                case Player.STATE_ENDED:
                    initializePlayer();
                    break;
                case Player.STATE_BUFFERING:
                case Player.STATE_READY:
                    if (!player.getPlayWhenReady()) {
                        setPlayWhenReady(true);
                    }
                    break;
                default:
                    break;
            }

        } else {
            initializePlayer();
        }
        if (!disableFocus) {
            setKeepScreenOn(true);
        }
    }

    private void pausePlayback() {
        if (player != null) {
            if (player.getPlayWhenReady()) {
                setPlayWhenReady(false);
            }
        }
        setKeepScreenOn(false);
    }

    private void stopPlayback() {
        onStopPlayback();
        releasePlayer();
    }

    private void onStopPlayback() {
        if (isFullscreen) {
            //When the video stopPlayback.
            //If the video is in fullscreen, then we will update the video to normal mode.
            setFullscreen(!isFullscreen);
        }
        setKeepScreenOn(false);
        audioManager.abandonAudioFocus(this);
        enableFullScreenButton(false);
    }

    private void updateResumePosition() {
        resumeWindow = player.getCurrentWindowIndex();
        resumePosition = player.isCurrentWindowSeekable() ? Math.max(0, player.getCurrentPosition())
                : C.TIME_UNSET;
    }

    private void clearResumePosition() {
        resumeWindow = C.INDEX_UNSET;
        resumePosition = C.TIME_UNSET;
    }

    /**
     * Returns a new DataSource factory.
     *
     * @param useBandwidthMeter Whether to set {@link #bandwidthMeter} as a listener to the new
     *                          DataSource factory.
     * @return A new DataSource factory.
     */
    private DataSource.Factory buildDataSourceFactory(boolean useBandwidthMeter) {
        return DataSourceUtil.getDefaultDataSourceFactory(this.themedReactContext,
                useBandwidthMeter ? bandwidthMeter : null, requestHeaders);
    }

    // AudioManager.OnAudioFocusChangeListener implementation

    @Override
    public void onAudioFocusChange(int focusChange) {
        switch (focusChange) {
            case AudioManager.AUDIOFOCUS_LOSS:
                eventEmitter.audioFocusChanged(false);
                pausePlayback();
                audioManager.abandonAudioFocus(this);
                break;
            case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
                eventEmitter.audioFocusChanged(false);
                break;
            case AudioManager.AUDIOFOCUS_GAIN:
                eventEmitter.audioFocusChanged(true);
                break;
            default:
                break;
        }

        if (player != null) {
            if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) {
                // Lower the volume
                if (!muted) {
                    player.setVolume(audioVolume * 0.8f);
                }
            } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                // Raise it back to normal
                if (!muted) {
                    player.setVolume(audioVolume * 1);
                }
            }
        }
    }

    // AudioBecomingNoisyListener implementation

    @Override
    public void onAudioBecomingNoisy() {
        eventEmitter.audioBecomingNoisy();
    }

    // Player.EventListener implementation

    @Override
    public void onLoadingChanged(boolean isLoading) {
        // Do nothing.
    }

    @Override
    public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
        String text = "onStateChanged: playWhenReady=" + playWhenReady + ", playbackState=";
        switch (playbackState) {
            case Player.STATE_IDLE:
                text += "idle";
                eventEmitter.idle();
                clearProgressMessageHandler();
                break;
            case Player.STATE_BUFFERING:
                text += "buffering";
                onBuffering(true);
                clearProgressMessageHandler();
                break;
            case Player.STATE_READY:
                text += "ready";
                eventEmitter.ready();
                onBuffering(false);
                startProgressHandler();
                videoLoaded();
                // Setting the visibility for the playerControlView
                if (playerControlView != null) {
                    playerControlView.show();
                }
                enableFullScreenButton(true);
                break;
            case Player.STATE_ENDED:
                text += "ended";
                eventEmitter.end();
                onStopPlayback();
                break;
            default:
                text += "unknown";
                break;
        }
        Log.d(TAG, text);
    }

    private void startProgressHandler() {
        progressHandler.sendEmptyMessage(SHOW_PROGRESS);
    }

    /*
        The progress message handler will duplicate recursions of the onProgressMessage handler
        on change of player state from any state to STATE_READY with playWhenReady is true (when
        the video is not paused). This clears all existing messages.
     */
    private void clearProgressMessageHandler() {
         progressHandler.removeMessages(SHOW_PROGRESS);
    }

    private void videoLoaded() {
        if (loadVideoStarted) {
            loadVideoStarted = false;
            setSelectedAudioTrack(audioTrackType, audioTrackValue);
            setSelectedVideoTrack(videoTrackType, videoTrackValue);
            setSelectedTextTrack(textTrackType, textTrackValue);
            Format videoFormat = player.getVideoFormat();
            int width = videoFormat != null ? videoFormat.width : 0;
            int height = videoFormat != null ? videoFormat.height : 0;
            eventEmitter.load(player.getDuration(), player.getCurrentPosition(), width, height,
                    getAudioTrackInfo(), getTextTrackInfo(), getVideoTrackInfo());
        }
    }

    private WritableArray getAudioTrackInfo() {
        WritableArray audioTracks = Arguments.createArray();

        MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
        int index = getTrackRendererIndex(C.TRACK_TYPE_AUDIO);
        if (info == null || index == C.INDEX_UNSET) {
            return audioTracks;
        }

        TrackGroupArray groups = info.getTrackGroups(index);
        for (int i = 0; i < groups.length; ++i) {
            Format format = groups.get(i).getFormat(0);
            WritableMap audioTrack = Arguments.createMap();
            audioTrack.putInt("index", i);
            audioTrack.putString("title", format.id != null ? format.id : "");
            audioTrack.putString("type", format.sampleMimeType);
            audioTrack.putString("language", format.language != null ? format.language : "");
            audioTrack.putString("bitrate", format.bitrate == Format.NO_VALUE ? ""
                                    : String.format(Locale.US, "%.2fMbps", format.bitrate / 1000000f));
            audioTracks.pushMap(audioTrack);
        }
        return audioTracks;
    }
    private WritableArray getVideoTrackInfo() {
        WritableArray videoTracks = Arguments.createArray();

        MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
        int index = getTrackRendererIndex(C.TRACK_TYPE_VIDEO);
        if (info == null || index == C.INDEX_UNSET) {
            return videoTracks;
        }

        TrackGroupArray groups = info.getTrackGroups(index);
        for (int i = 0; i < groups.length; ++i) {
            TrackGroup group = groups.get(i);

            for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
                Format format = group.getFormat(trackIndex);
                WritableMap videoTrack = Arguments.createMap();
                videoTrack.putInt("width", format.width == Format.NO_VALUE ? 0 : format.width);
                videoTrack.putInt("height",format.height == Format.NO_VALUE ? 0 : format.height);
                videoTrack.putInt("bitrate", format.bitrate == Format.NO_VALUE ? 0 : format.bitrate);
                videoTrack.putString("codecs", format.codecs != null ? format.codecs : "");
                videoTrack.putString("trackId",
                        format.id == null ? String.valueOf(trackIndex) : format.id);
                videoTracks.pushMap(videoTrack);
            }
        }
        return videoTracks;
    }

    private WritableArray getTextTrackInfo() {
        WritableArray textTracks = Arguments.createArray();

        MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
        int index = getTrackRendererIndex(C.TRACK_TYPE_TEXT);
        if (info == null || index == C.INDEX_UNSET) {
            return textTracks;
        }

        TrackGroupArray groups = info.getTrackGroups(index);
        for (int i = 0; i < groups.length; ++i) {
             Format format = groups.get(i).getFormat(0);
             WritableMap textTrack = Arguments.createMap();
             textTrack.putInt("index", i);
             textTrack.putString("title", format.id != null ? format.id : "");
             textTrack.putString("type", format.sampleMimeType);
             textTrack.putString("language", format.language != null ? format.language : "");
             textTracks.pushMap(textTrack);
        }
        return textTracks;
    }

    private void onBuffering(boolean buffering) {
        if (isBuffering == buffering) {
            return;
        }

        isBuffering = buffering;
        if (buffering) {
            eventEmitter.buffering(true);
        } else {
            eventEmitter.buffering(false);
        }
    }

    @Override
    public void onPositionDiscontinuity(int reason) {
        if (playerNeedsSource) {
            // This will only occur if the user has performed a seek whilst in the error state. Update the
            // resume position so that if the user then retries, playback will resume from the position to
            // which they seeked.
            updateResumePosition();
        }
        // When repeat is turned on, reaching the end of the video will not cause a state change
        // so we need to explicitly detect it.
        if (reason == Player.DISCONTINUITY_REASON_PERIOD_TRANSITION
                && player.getRepeatMode() == Player.REPEAT_MODE_ONE) {
            eventEmitter.end();
        }
    }

    @Override
    public void onTimelineChanged(Timeline timeline, Object manifest, int reason) {
        // Do nothing.
    }

    @Override
    public void onSeekProcessed() {
        eventEmitter.seek(player.getCurrentPosition(), seekTime);
        seekTime = C.TIME_UNSET;
    }

    @Override
    public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {
        // Do nothing.
    }

    @Override
    public void onRepeatModeChanged(int repeatMode) {
        // Do nothing.
    }

    @Override
    public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
        // Do Nothing.
    }

    @Override
    public void onPlaybackParametersChanged(PlaybackParameters params) {
        eventEmitter.playbackRateChange(params.speed);
    }

    @Override
    public void onPlayerError(ExoPlaybackException e) {
        String errorString = null;
        Exception ex = e;
        if (e.type == ExoPlaybackException.TYPE_RENDERER) {
            Exception cause = e.getRendererException();
            if (cause instanceof MediaCodecRenderer.DecoderInitializationException) {
                // Special case for decoder initialization failures.
                MediaCodecRenderer.DecoderInitializationException decoderInitializationException =
                        (MediaCodecRenderer.DecoderInitializationException) cause;
                if (decoderInitializationException.decoderName == null) {
                    if (decoderInitializationException.getCause() instanceof MediaCodecUtil.DecoderQueryException) {
                        errorString = getResources().getString(R.string.error_querying_decoders);
                    } else if (decoderInitializationException.secureDecoderRequired) {
                        errorString = getResources().getString(R.string.error_no_secure_decoder,
                                decoderInitializationException.mimeType);
                    } else {
                        errorString = getResources().getString(R.string.error_no_decoder,
                                decoderInitializationException.mimeType);
                    }
                } else {
                    errorString = getResources().getString(R.string.error_instantiating_decoder,
                            decoderInitializationException.decoderName);
                }
            }
        }
        else if (e.type == ExoPlaybackException.TYPE_SOURCE) {
            ex = e.getSourceException();
            errorString = getResources().getString(R.string.unrecognized_media_format);
        }
        if (errorString != null) {
            eventEmitter.error(errorString, ex);
        }
        playerNeedsSource = true;
        if (isBehindLiveWindow(e)) {
            clearResumePosition();
            initializePlayer();
        } else {
            updateResumePosition();
        }
    }

    private static boolean isBehindLiveWindow(ExoPlaybackException e) {
        if (e.type != ExoPlaybackException.TYPE_SOURCE) {
            return false;
        }
        Throwable cause = e.getSourceException();
        while (cause != null) {
            if (cause instanceof BehindLiveWindowException) {
                return true;
            }
            cause = cause.getCause();
        }
        return false;
    }

    public int getTrackRendererIndex(int trackType) {
        int rendererCount = player.getRendererCount();
        for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
            if (player.getRendererType(rendererIndex) == trackType) {
                return rendererIndex;
            }
        }
        return C.INDEX_UNSET;
    }

    @Override
    public void onMetadata(Metadata metadata) {
        eventEmitter.timedMetadata(metadata);
    }

    // ReactExoplayerViewManager public api

    public void setSrc(final Uri uri, final String extension, Map<String, String> headers) {
        if (uri != null) {
            boolean isOriginalSourceNull = srcUri == null;
            boolean isSourceEqual = uri.equals(srcUri);

            this.srcUri = uri;
            this.extension = extension;
            this.requestHeaders = headers;
            this.mediaDataSourceFactory =
                    DataSourceUtil.getDefaultDataSourceFactory(this.themedReactContext, bandwidthMeter,
                            this.requestHeaders);

            if (!isOriginalSourceNull && !isSourceEqual) {
                reloadSource();
            }
        }
    }

    public void setProgressUpdateInterval(final float progressUpdateInterval) {
        mProgressUpdateInterval = progressUpdateInterval;
    }

    public void setReportBandwidth(boolean reportBandwidth) {
        mReportBandwidth = reportBandwidth;
    }

    public void setRawSrc(final Uri uri, final String extension) {
        if (uri != null) {
            boolean isOriginalSourceNull = srcUri == null;
            boolean isSourceEqual = uri.equals(srcUri);

            this.srcUri = uri;
            this.extension = extension;
            this.mediaDataSourceFactory = buildDataSourceFactory(true);

            if (!isOriginalSourceNull && !isSourceEqual) {
                reloadSource();
            }
        }
    }

    public void setTextTracks(ReadableArray textTracks) {
        this.textTracks = textTracks;
        reloadSource();
    }

    private void reloadSource() {
        playerNeedsSource = true;
        initializePlayer();
    }

    public void setResizeModeModifier(@ResizeMode.Mode int resizeMode) {
        exoPlayerView.setResizeMode(resizeMode);
    }

    private void applyModifiers() {
        setRepeatModifier(repeat);
        setMutedModifier(muted);
    }

    public void setRepeatModifier(boolean repeat) {
        if (player != null) {
            if (repeat) {
                player.setRepeatMode(Player.REPEAT_MODE_ONE);
            } else {
                player.setRepeatMode(Player.REPEAT_MODE_OFF);
            }
        }
        this.repeat = repeat;
    }

    public void setSelectedTrack(int trackType, String type, Dynamic value) {
        if (player == null) return;
        int rendererIndex = getTrackRendererIndex(trackType);
        if (rendererIndex == C.INDEX_UNSET) {
            return;
        }
        MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
        if (info == null) {
            return;
        }

        TrackGroupArray groups = info.getTrackGroups(rendererIndex);
        int groupIndex = C.INDEX_UNSET;
        int[] tracks = {0} ;

        if (TextUtils.isEmpty(type)) {
            type = "default";
        }

        DefaultTrackSelector.Parameters disableParameters = trackSelector.getParameters()
                .buildUpon()
                .setRendererDisabled(rendererIndex, true)
                .build();

        if (type.equals("disabled")) {
            trackSelector.setParameters(disableParameters);
            return;
        } else if (type.equals("language")) {
            for (int i = 0; i < groups.length; ++i) {
                Format format = groups.get(i).getFormat(0);
                if (format.language != null && format.language.equals(value.asString())) {
                    groupIndex = i;
                    break;
                }
            }
        } else if (type.equals("title")) {
            for (int i = 0; i < groups.length; ++i) {
                Format format = groups.get(i).getFormat(0);
                if (format.id != null && format.id.equals(value.asString())) {
                    groupIndex = i;
                    break;
                }
            }
        } else if (type.equals("index")) {
            if (value.asInt() < groups.length) {
                groupIndex = value.asInt();
            }
        } else if (type.equals("resolution")) {
            int height = value.asInt();
            for (int i = 0; i < groups.length; ++i) { // Search for the exact height
                TrackGroup group = groups.get(i);
                for (int j = 0; j < group.length; j++) {
                    Format format = group.getFormat(j);
                    if (format.height == height) {
                        groupIndex = i;
                        tracks[0] = j;
                        break;
                    }
                }
            }
        } else if (rendererIndex == C.TRACK_TYPE_TEXT && Util.SDK_INT > 18) { // Text default
            // Use system settings if possible
            CaptioningManager captioningManager
                    = (CaptioningManager)themedReactContext.getSystemService(Context.CAPTIONING_SERVICE);
            if (captioningManager != null && captioningManager.isEnabled()) {
                groupIndex = getGroupIndexForDefaultLocale(groups);
            }
        } else if (rendererIndex == C.TRACK_TYPE_AUDIO) { // Audio default
            groupIndex = getGroupIndexForDefaultLocale(groups);
        }

        if (groupIndex == C.INDEX_UNSET && trackType == C.TRACK_TYPE_VIDEO && groups.length != 0) { // Video auto
            // Add all tracks as valid options for ABR to choose from
            TrackGroup group = groups.get(0);
            tracks = new int[group.length];
            groupIndex = 0;
            for (int j = 0; j < group.length; j++) {
                tracks[j] = j;
            }
        }

        if (groupIndex == C.INDEX_UNSET) {
            trackSelector.setParameters(disableParameters);
            return;
        }

        DefaultTrackSelector.Parameters selectionParameters = trackSelector.getParameters()
                .buildUpon()
                .setRendererDisabled(rendererIndex, false)
                .setSelectionOverride(rendererIndex, groups,
                        new DefaultTrackSelector.SelectionOverride(groupIndex, tracks))
                .build();
        trackSelector.setParameters(selectionParameters);
    }

    private int getGroupIndexForDefaultLocale(TrackGroupArray groups) {
        if (groups.length == 0){
            return C.INDEX_UNSET;
        }

        int groupIndex = 0; // default if no match
        String locale2 = Locale.getDefault().getLanguage(); // 2 letter code
        String locale3 = Locale.getDefault().getISO3Language(); // 3 letter code
        for (int i = 0; i < groups.length; ++i) {
            Format format = groups.get(i).getFormat(0);
            String language = format.language;
            if (language != null && (language.equals(locale2) || language.equals(locale3))) {
                groupIndex = i;
                break;
            }
        }
        return groupIndex;
    }

    public void setSelectedVideoTrack(String type, Dynamic value) {
        videoTrackType = type;
        videoTrackValue = value;
        setSelectedTrack(C.TRACK_TYPE_VIDEO, videoTrackType, videoTrackValue);
    }

    public void setSelectedAudioTrack(String type, Dynamic value) {
        audioTrackType = type;
        audioTrackValue = value;
        setSelectedTrack(C.TRACK_TYPE_AUDIO, audioTrackType, audioTrackValue);
    }

    public void setSelectedTextTrack(String type, Dynamic value) {
        textTrackType = type;
        textTrackValue = value;
        setSelectedTrack(C.TRACK_TYPE_TEXT, textTrackType, textTrackValue);
    }

    public void setPausedModifier(boolean paused) {
        isPaused = paused;
        if (player != null) {
            if (!paused) {
                startPlayback();
            } else {
                pausePlayback();
            }
        }
    }

    public void setMutedModifier(boolean muted) {
        this.muted = muted;
        audioVolume = muted ? 0.f : 1.f;
        if (player != null) {
            player.setVolume(audioVolume);
        }
    }


    public void setVolumeModifier(float volume) {
        audioVolume = volume;
        if (player != null) {
            player.setVolume(audioVolume);
        }
    }

    public void seekTo(long positionMs) {
        if (player != null) {
            seekTime = positionMs;
            player.seekTo(positionMs);
        }
    }

    public void setRateModifier(float newRate) {
      rate = newRate;

      if (player != null) {
          PlaybackParameters params = new PlaybackParameters(rate, 1f);
          player.setPlaybackParameters(params);
      }
    }

    public void setMaxBitRateModifier(int newMaxBitRate) {
        maxBitRate = newMaxBitRate;
        if (player != null) {
            trackSelector.setParameters(trackSelector.buildUponParameters()
                    .setMaxVideoBitrate(maxBitRate == 0 ? Integer.MAX_VALUE : maxBitRate));
        }
    }

    public void setMinLoadRetryCountModifier(int newMinLoadRetryCount) {
        minLoadRetryCount = newMinLoadRetryCount;
        releasePlayer();
        initializePlayer();
    }

    public void setPlayInBackground(boolean playInBackground) {
        this.playInBackground = playInBackground;
    }

    public void setDisableFocus(boolean disableFocus) {
        this.disableFocus = disableFocus;
    }

    // todo
    private final Runnable measureAndLayout =
          new Runnable() {
            @Override
            public void run() {
              measure(
                  MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.EXACTLY),
                  MeasureSpec.makeMeasureSpec(getHeight(), MeasureSpec.EXACTLY));
              layout(getLeft(), getTop(), getRight(), getBottom());
            }
          };

    // todo
    @Override
    public void requestLayout() {
      super.requestLayout();

      // The spinner relies on a measure + layout pass happening after it calls requestLayout().
      // Without this, the widget never actually changes the selection and doesn't call the
      // appropriate listeners. Since we override onLayout in our ViewGroups, a layout pass never
      // happens after a call to requestLayout, so we simulate one here.
      post(measureAndLayout);
    }

    // todo
    public void setFullscreen(boolean fullscreen) {
        if (fullscreen == isFullscreen) {
            return; // Avoid generating events when nothing is changing
        }

        updateFullScreenIcon(fullscreen);
        isFullscreen = fullscreen;

        Activity activity = themedReactContext.getCurrentActivity();
        if (activity == null) {
            return;
        }
        Window window = activity.getWindow();
        View decorView = window.getDecorView();
        int uiOptions;
        if (isFullscreen) {
//             if (Util.SDK_INT >= 19) { // 4.4+
//                 uiOptions = SYSTEM_UI_FLAG_HIDE_NAVIGATION
//                         | SYSTEM_UI_FLAG_IMMERSIVE_STICKY
//                         | SYSTEM_UI_FLAG_FULLSCREEN;
//             } else {
//                 uiOptions = SYSTEM_UI_FLAG_HIDE_NAVIGATION
//                         | SYSTEM_UI_FLAG_FULLSCREEN;
//             }
//             activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
//             eventEmitter.fullscreenWillPresent();
//             decorView.setSystemUiVisibility(uiOptions);
//             eventEmitter.fullscreenDidPresent();
//             decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN
//                                             |View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
//                                             |View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
            eventEmitter.fullscreenWillPresent();

            DisplayMetrics metrics = new DisplayMetrics();
            activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
            FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(exoPlayerView.getLayoutParams());
            params.width = metrics.heightPixels;
            params.height = metrics.widthPixels;
            params.leftMargin = 0;
//             params.width = params.MATCH_PARENT;
//             params.height = params.MATCH_PARENT;
            this.setLayoutParams(params);
            exoPlayerView.setLayoutParams(params);
//             this.requestLayout();
            FrameLayout.LayoutParams exoParams = (FrameLayout.LayoutParams) exoPlayerView.getLayoutParams();
            Log.d("长度", Integer.toString(exoParams.width));
            Log.d("宽度", Integer.toString(exoParams.height));
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
            exoPlayerView.setResizeMode(AspectRatioFrameLayout.RESIZE_MODE_FILL);
            isFullscreen = true;
            eventEmitter.fullscreenDidPresent();

        } else {
//             uiOptions = View.SYSTEM_UI_FLAG_VISIBLE;
//             //orientation, 1 is for Portrait and 2 for Landscape.
//             if(this.initialOrientation == 1)
//                 activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
//             else
//                 activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
//             eventEmitter.fullscreenWillDismiss();
//             decorView.setSystemUiVisibility(uiOptions);
//             eventEmitter.fullscreenDidDismiss();
            decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
            eventEmitter.fullscreenWillDismiss();
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) exoPlayerView.getLayoutParams();
//             params.width = (int) ( getResources().getDisplayMetrics().widthPixels);
//             params.height = (int) ( getResources().getDisplayMetrics().heightPixels);
            params.width = params.MATCH_PARENT;
            params.height = params.MATCH_PARENT;
            Log.d("长度", Integer.toString(params.width));
            Log.d("宽度", Integer.toString(params.height));
            exoPlayerView.setLayoutParams(params);
            isFullscreen = false;
            eventEmitter.fullscreenDidDismiss();
        }
    }

    public void setUseTextureView(boolean useTextureView) {
//         exoPlayerView.setUseTextureView(useTextureView);
    }

    public void setHideShutterView(boolean hideShutterView) {
//         exoPlayerView.setHideShutterView(hideShutterView);
    }

    public void setBufferConfig(int newMinBufferMs, int newMaxBufferMs, int newBufferForPlaybackMs, int newBufferForPlaybackAfterRebufferMs) {
        minBufferMs = newMinBufferMs;
        maxBufferMs = newMaxBufferMs;
        bufferForPlaybackMs = newBufferForPlaybackMs;
        bufferForPlaybackAfterRebufferMs = newBufferForPlaybackAfterRebufferMs;
        releasePlayer();
        initializePlayer();
    }

    /**
     * Handling controls prop
     *
     * @param controls  Controls prop, if true enable controls, if false disable them
     */
    public void setControls(boolean controls) {
        this.controls = controls;
        if (player == null || exoPlayerView == null) return;
        if (controls) {
            addPlayerControl();
        } else {
            int indexOfPC = indexOfChild(playerControlView);
            if (indexOfPC != -1) {
                removeViewAt(indexOfPC);
            }
        }
    }
}