app/src/main/java/com/stoutner/privacybrowser/fragments/GuideTabFragment.java

   1 /*
   2  * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser.fragments;
  21
  22 import android.annotation.SuppressLint;
  23 import android.content.SharedPreferences;
  24 import android.os.Bundle;
  25 import android.preference.PreferenceManager;
  26 import android.view.LayoutInflater;
  27 import android.view.View;
  28 import android.view.ViewGroup;
  29 import android.webkit.WebView;
  30
  31 import androidx.annotation.NonNull;
  32 import androidx.fragment.app.Fragment;
  33
  34 import com.stoutner.privacybrowser.R;
  35
  36 public class GuideTabFragment extends Fragment {
  37     // `tabNumber` is used in `onCreate()` and `onCreateView()`.
  38     private int tabNumber;
  39
  40     // Store the tab number in the arguments bundle.
  41     public static GuideTabFragment createTab (int tab) {
  42         // Create a bundle.
  43         Bundle bundle = new Bundle();
  44
  45         // Store the tab number in the bundle.
  46         bundle.putInt("Tab", tab);
  47
  48         // Add the bundle to the fragment.
  49         GuideTabFragment guideTabFragment = new GuideTabFragment();
  50         guideTabFragment.setArguments(bundle);
  51
  52         // Return the new fragment.
  53         return guideTabFragment;
  54     }
  55
  56     @Override
  57     public void onCreate(Bundle savedInstanceState) {
  58         // Run the default commands.
  59         super.onCreate(savedInstanceState);
  60
  61         // Remove the lint warning that `getArguments()` might be null.
  62         assert getArguments() != null;
  63
  64         // Store the tab number in a class variable.
  65         tabNumber = getArguments().getInt("Tab");
  66     }
  67
  68     @SuppressLint("SetJavaScriptEnabled")
  69     @Override
  70     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  71         // Get a handle for the shared preferences.
  72         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
  73
  74         // Get the theme preference.
  75         boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
  76
  77         // Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container.  The fragment will take care of attaching the root automatically.
  78         View tabLayout = inflater.inflate(R.layout.bare_webview, container, false);
  79
  80         // Get a handle for `tabWebView`.
  81         WebView tabWebView = (WebView) tabLayout;
  82
  83         // Load the tabs according to the theme.
  84         if (darkTheme) {  // The dark theme is applied.
  85             tabWebView.setBackgroundColor(getResources().getColor(R.color.gray_850));
  86
  87             // Tab numbers start at 0.
  88             switch (tabNumber) {
  89                 case 0:
  90                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_overview_dark.html");
  91                     break;
  92
  93                 case 1:
  94                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_javascript_dark.html");
  95                     break;
  96
  97                 case 2:
  98                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_local_storage_dark.html");
  99                     break;
 100
 101                 case 3:
 102                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_user_agent_dark.html");
 103                     break;
 104
 105                 case 4:
 106                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_requests_dark.html");
 107                     break;
 108
 109                 case 5:
 110                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_domain_settings_dark.html");
 111                     break;
 112
 113                 case 6:
 114                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_ssl_certificates_dark.html");
 115                     break;
 116
 117                 case 7:
 118                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_proxies_dark.html");
 119                     break;
 120
 121                 case 8:
 122                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_tracking_ids_dark.html");
 123                     break;
 124             }
 125         } else {  // The light theme is applied.
 126             // Tab numbers start at 0.
 127             switch (tabNumber) {
 128                 case 0:
 129                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_overview_light.html");
 130                     break;
 131
 132                 case 1:
 133                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_javascript_light.html");
 134                     break;
 135
 136                 case 2:
 137                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_local_storage_light.html");
 138                     break;
 139
 140                 case 3:
 141                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_user_agent_light.html");
 142                     break;
 143
 144                 case 4:
 145                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_requests_light.html");
 146                     break;
 147
 148                 case 5:
 149                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_domain_settings_light.html");
 150                     break;
 151
 152                 case 6:
 153                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_ssl_certificates_light.html");
 154                     break;
 155
 156                 case 7:
 157                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_proxies_light.html");
 158                     break;
 159
 160                 case 8:
 161                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/guide_tracking_ids_light.html");
 162                     break;
 163             }
 164         }
 165
 166         // Return the formatted `tabLayout`.
 167         return tabLayout;
 168     }
 169 }