From ba2a3121d4e6da243c52e251bf4b6e29f07bc7f1 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 7 Oct 2020 12:00:47 -0700
Subject: Remove assets support

---
 .../java/org/traccar/manager/MainFragment.java     | 76 +---------------------
 1 file changed, 3 insertions(+), 73 deletions(-)

diff --git a/app/src/main/java/org/traccar/manager/MainFragment.java b/app/src/main/java/org/traccar/manager/MainFragment.java
index b970499..1a7db04 100644
--- a/app/src/main/java/org/traccar/manager/MainFragment.java
+++ b/app/src/main/java/org/traccar/manager/MainFragment.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,29 +22,20 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
-import android.content.res.AssetManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import androidx.annotation.Nullable;
-import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.view.View;
 import android.webkit.JavascriptInterface;
-import android.webkit.MimeTypeMap;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
-import android.webkit.WebResourceResponse;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
-import android.webkit.WebViewClient;
 import android.webkit.WebViewFragment;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.HttpURLConnection;
-import java.util.HashMap;
-import java.util.Map;
+import androidx.annotation.Nullable;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 public class MainFragment extends WebViewFragment {
 
@@ -54,7 +45,6 @@ public class MainFragment extends WebViewFragment {
 
     private final static int REQUEST_FILE_CHOOSER = 1;
 
-    private AssetManager assetManager;
     private LocalBroadcastManager broadcastManager;
 
     public class AppInterface {
@@ -71,7 +61,6 @@ public class MainFragment extends WebViewFragment {
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        assetManager = getActivity().getAssets();
         broadcastManager = LocalBroadcastManager.getInstance(getActivity());
     }
 
@@ -85,7 +74,6 @@ public class MainFragment extends WebViewFragment {
             }
         }
 
-        getWebView().setWebViewClient(webViewClient);
         getWebView().setWebChromeClient(webChromeClient);
         getWebView().addJavascriptInterface(new AppInterface(), "appInterface");
 
@@ -123,64 +111,6 @@ public class MainFragment extends WebViewFragment {
         broadcastManager.unregisterReceiver(broadcastReceiver);
     }
 
-    public String getMimeType(String url) {
-        String extension = MimeTypeMap.getFileExtensionFromUrl(url);
-        if (extension != null) {
-            switch (extension) {
-                case "js":
-                    return "text/javascript";
-                case "woff":
-                    return "application/font-woff";
-                case "woff2":
-                    return "application/font-woff2";
-                case "ttf":
-                    return "application/x-font-ttf";
-                case "eot":
-                    return "application/vnd.ms-fontobject";
-                case "svg":
-                    return "image/svg+xml";
-                default:
-                    return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
-            }
-        }
-        return null;
-    }
-
-    public WebResourceResponse loadFileFromAssets(String url, String file) throws IOException {
-        String mimeType = getMimeType(url);
-        String encoding = "UTF-8";
-        InputStream inputStream = assetManager.open(file);
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            int statusCode = HttpURLConnection.HTTP_OK;
-            String reasonPhase = "OK";
-            Map<String, String> responseHeaders = new HashMap<>();
-            responseHeaders.put("Access-Control-Allow-Origin", "*");
-            return new WebResourceResponse(mimeType, encoding, statusCode, reasonPhase, responseHeaders, inputStream);
-        } else {
-            return new WebResourceResponse(mimeType, encoding, inputStream);
-        }
-    }
-
-    private WebViewClient webViewClient = new WebViewClient() {
-
-        @Override
-        public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
-            Uri uri = Uri.parse(url);
-            String host = uri.getHost();
-            if (host != null && host.equals("cdnjs.cloudflare.com")) {
-                String path = uri.getPath().substring("/ajax/libs".length());
-                try {
-                    return loadFileFromAssets(url, "cdnjs" + path);
-                } catch (IOException e) {
-                    return null;
-                }
-            }
-            return null;
-        }
-
-    };
-
     private ValueCallback<Uri> openFileCallback;
     private ValueCallback<Uri[]> openFileCallback2;
 
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