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

   1 /*
   2  * Copyright 2017 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.Context;
  24 import android.database.Cursor;
  25 import android.os.Bundle;
  26 // We have to use `android.support.v4.app.Fragment` until minimum API >= 23.  Otherwise we cannot call `getContext()`.
  27 import android.support.v4.app.Fragment;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.webkit.WebView;
  32 import android.widget.AdapterView;
  33 import android.widget.ArrayAdapter;
  34 import android.widget.CompoundButton;
  35 import android.widget.EditText;
  36 import android.widget.ImageView;
  37 import android.widget.Spinner;
  38 import android.widget.Switch;
  39 import android.widget.TextView;
  40
  41 import com.stoutner.privacybrowser.R;
  42 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
  43
  44 public class DomainSettingsFragment extends Fragment {
  45     // `DATABASE_ID` is used by activities calling this fragment.
  46     public static final String DATABASE_ID = "database_id";
  47
  48     // `databaseId` is used in `onCreate()` and `onCreateView()`.
  49     private int databaseId;
  50
  51     @Override
  52     public void onCreate(Bundle savedInstanceState) {
  53         super.onCreate(savedInstanceState);
  54
  55         // Store the database id in `databaseId`.
  56         databaseId = getArguments().getInt(DATABASE_ID);
  57     }
  58
  59     // We have to use the deprecated `getDrawable()` until the minimum API >= 21.
  60     @SuppressWarnings("deprecation")
  61     @Override
  62     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  63         // Inflate `domain_settings`.  `false` does not attach it to the root `container`.
  64         View domainSettingsView = inflater.inflate(R.layout.domain_settings, container, false);
  65
  66         // Get a handle for the `Context`.
  67         Context context = getContext();
  68
  69         // Get handles for the views in the fragment.
  70         EditText domainNameEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_name_edittext);
  71         Switch javaScriptEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_javascript_switch);
  72         final ImageView javaScriptImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_javascript_imageview);
  73         Switch firstPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_switch);
  74         final ImageView firstPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_imageview);
  75         Switch thirdPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_switch);
  76         final ImageView thirdPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_imageview);
  77         Switch domStorageEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_switch);
  78         final ImageView domStorageImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_imageview);
  79         Switch formDataEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_form_data_switch);
  80         final ImageView formDataImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_form_data_imageview);
  81         Spinner userAgentSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_user_agent_spinner);
  82         final TextView userAgentTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_user_agent_textview);
  83         final EditText customUserAgentEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_custom_user_agent_edittext);
  84         Spinner fontSizeSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_font_size_spinner);
  85
  86         // Initialize the database handler.  `this` specifies the context.  The two `nulls` do not specify the database name or a `CursorFactory`.
  87         // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
  88         DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(getContext(), null, null, 0);
  89
  90         // Get the database `Cursor` for this ID and move it to the first row.
  91         Cursor domainCursor = domainsDatabaseHelper.getCursorForId(databaseId);
  92         domainCursor.moveToFirst();
  93
  94         // Save the `Cursor` entries as variables.
  95         String domainNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
  96         int javaScriptEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT));
  97         int firstPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES));
  98         int thirdPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES));
  99         int domStorageEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE));
 100         int formDataEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA));
 101         final String currentUserAgentString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
 102         int fontSizeInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
 103
 104         // Create `ArrayAdapters` for the `Spinners`and their `entry values`.
 105         ArrayAdapter<CharSequence> userAgentArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entries, android.R.layout.simple_spinner_item);
 106         final ArrayAdapter<CharSequence> userAgentEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entry_values, android.R.layout.simple_spinner_item);
 107         ArrayAdapter<CharSequence> fontSizeArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entries, android.R.layout.simple_spinner_item);
 108         ArrayAdapter<CharSequence> fontSizeEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entry_values, android.R.layout.simple_spinner_item);
 109
 110         // Set the drop down style for the `ArrayAdapters`.
 111         userAgentArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 112         fontSizeArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 113
 114         // Set the `ArrayAdapters` for the `Spinners`.
 115         userAgentSpinner.setAdapter(userAgentArrayAdapter);
 116         fontSizeSpinner.setAdapter(fontSizeArrayAdapter);
 117
 118         // Set the domain name from the the database cursor.
 119         domainNameEditText.setText(domainNameString);
 120
 121         // Set the JavaScript status.
 122         if (javaScriptEnabledInt == 1) {  // JavaScript is enabled.
 123             javaScriptEnabledSwitch.setChecked(true);
 124             javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.javascript_enabled));
 125         } else {  // JavaScript is disabled.
 126             javaScriptEnabledSwitch.setChecked(false);
 127             javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.privacy_mode));
 128         }
 129
 130         // Set the first-party cookies status.
 131         if (firstPartyCookiesEnabledInt == 1) {  // First-party cookies are enabled.
 132             firstPartyCookiesEnabledSwitch.setChecked(true);
 133             firstPartyCookiesImageView.setEnabled(true);
 134         } else {  // First-party cookies are disabled.
 135             firstPartyCookiesEnabledSwitch.setChecked(false);
 136             firstPartyCookiesImageView.setEnabled(false);
 137         }
 138
 139         // Set the third-party cookies status.
 140         if (thirdPartyCookiesEnabledInt == 1) {  // Third-party cookies are enabled.
 141             thirdPartyCookiesEnabledSwitch.setChecked(true);
 142             thirdPartyCookiesImageView.setEnabled(true);
 143         } else {  // Third-party cookies are disabled.
 144             thirdPartyCookiesEnabledSwitch.setChecked(false);
 145             thirdPartyCookiesImageView.setEnabled(false);
 146         }
 147
 148         // Set the DOM storage status.
 149         if (domStorageEnabledInt == 1) {  // DOM storage is enabled.
 150             domStorageEnabledSwitch.setChecked(true);
 151             domStorageImageView.setEnabled(true);
 152         } else {  // Dom storage is disabled.
 153             domStorageEnabledSwitch.setChecked(false);
 154             domStorageImageView.setEnabled(false);
 155         }
 156
 157         // Set the form data status.
 158         if (formDataEnabledInt == 1) {  // Form data is enabled.
 159             formDataEnabledSwitch.setChecked(true);
 160             formDataImageView.setEnabled(true);
 161         } else {  // Form data is disabled.
 162             formDataEnabledSwitch.setChecked(false);
 163             formDataImageView.setEnabled(false);
 164         }
 165
 166         // We need to inflated a `WebView` to get the default user agent.
 167         // `@SuppressLint("InflateParams")` removes the warning about using `null` as the `ViewGroup`, which in this case makes sense because we don't want to display `bare_webview` on the screen.  `false` does not attach the view to the root.
 168         @SuppressLint("InflateParams") View bareWebViewLayout = inflater.inflate(R.layout.bare_webview, null, false);
 169         WebView bareWebView = (WebView) bareWebViewLayout.findViewById(R.id.bare_webview);
 170         final String webViewDefaultUserAgentString = bareWebView.getSettings().getUserAgentString();
 171
 172         // Get the position of the user agent in `userAgentEntryValuesArrayAdapter`.
 173         int userAgentArrayPosition = userAgentEntryValuesArrayAdapter.getPosition(currentUserAgentString);
 174
 175         // Set the user agent.
 176         if (userAgentArrayPosition == -1) {  // We are using a custom `userAgentString`.
 177             // Set `userAgentSpinner` to `Custom`.
 178             userAgentSpinner.setSelection(userAgentEntryValuesArrayAdapter.getPosition("Custom user agent"));
 179
 180             // Hide `userAgentTextView`.
 181             userAgentTextView.setVisibility(View.GONE);
 182
 183             // Show `customUserAgentEditText` and set `userAgentString` as the text.
 184             customUserAgentEditText.setVisibility(View.VISIBLE);
 185             customUserAgentEditText.setText(currentUserAgentString);
 186         } else if (currentUserAgentString.equals("WebView default user agent")) {  // We are using the `WebView` default user agent.
 187             // Set the `userAgentSpinner` selection.
 188             userAgentSpinner.setSelection(userAgentArrayPosition);
 189
 190             // Show `userAgentTextView` and set the text.
 191             userAgentTextView.setVisibility(View.VISIBLE);
 192             userAgentTextView.setText(webViewDefaultUserAgentString);
 193
 194             // Hide `customUserAgentEditText`.
 195             customUserAgentEditText.setVisibility(View.GONE);
 196         } else {  // We are using a standard user agent.
 197             // Set the `userAgentSpinner` selection.
 198             userAgentSpinner.setSelection(userAgentArrayPosition);
 199
 200             // Show `userAgentTextView` and set the text.
 201             userAgentTextView.setVisibility(View.VISIBLE);
 202             userAgentTextView.setText(currentUserAgentString);
 203
 204             // Hide `customUserAgentEditText`.
 205             customUserAgentEditText.setVisibility(View.GONE);
 206         }
 207
 208         // Set the selected font size.
 209         int fontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(String.valueOf(fontSizeInt));
 210         fontSizeSpinner.setSelection(fontSizeArrayPosition);
 211
 212         // Set the `javaScriptEnabledSwitch` `OnCheckedChangeListener()`.
 213         javaScriptEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 214             @Override
 215             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 216                 // Update the icon.
 217                 if (isChecked) {
 218                     javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.javascript_enabled));
 219                 } else {
 220                     javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.privacy_mode));
 221                 }
 222             }
 223         });
 224
 225         // Set the `firstPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 226         firstPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 227             @Override
 228             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 229                 // Update the icon.
 230                 firstPartyCookiesImageView.setEnabled(isChecked);
 231             }
 232         });
 233
 234         // Set the `thirdPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 235         thirdPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 236             @Override
 237             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 238                 // Update the icon.
 239                 thirdPartyCookiesImageView.setEnabled(isChecked);
 240             }
 241         });
 242
 243         // Set the `domStorageEnabledSwitch` `OnCheckedChangeListener()`.
 244         domStorageEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 245             @Override
 246             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 247                 // Update the icon.
 248                 domStorageImageView.setEnabled(isChecked);
 249             }
 250         });
 251
 252         // Set the `formDataEnabledSwitch` `OnCheckedChangeListener()`.
 253         formDataEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 254             @Override
 255             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 256                 // Update the icon.
 257                 formDataImageView.setEnabled(isChecked);
 258             }
 259         });
 260
 261         // Set the `userAgentSpinner` `onItemClickListener()`.
 262         userAgentSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 263             @Override
 264             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 265                 // Store the new user agent string.
 266                 String newUserAgentString = getResources().getStringArray(R.array.user_agent_entry_values)[position];
 267
 268                 // Set the new user agent.
 269                 switch (newUserAgentString) {
 270                     case "Custom user agent":
 271                         // Hide `userAgentTextView`.
 272                         userAgentTextView.setVisibility(View.GONE);
 273
 274                         // Show `customUserAgentEditText` and set `userAgentString` as the text.
 275                         customUserAgentEditText.setVisibility(View.VISIBLE);
 276                         customUserAgentEditText.setText(currentUserAgentString);
 277                         break;
 278
 279                     case "WebView default user agent":
 280                         // Show `userAgentTextView` and set the text.
 281                         userAgentTextView.setVisibility(View.VISIBLE);
 282                         userAgentTextView.setText(webViewDefaultUserAgentString);
 283
 284                         // Hide `customUserAgentEditText`.
 285                         customUserAgentEditText.setVisibility(View.GONE);
 286                         break;
 287
 288                     default:
 289                         // Show `userAgentTextView` and set the text.
 290                         userAgentTextView.setVisibility(View.VISIBLE);
 291                         userAgentTextView.setText(getResources().getStringArray(R.array.user_agent_entry_values)[position]);
 292
 293                         // Hide `customUserAgentEditText`.
 294                         customUserAgentEditText.setVisibility(View.GONE);
 295                         break;
 296                 }
 297             }
 298
 299             @Override
 300             public void onNothingSelected(AdapterView<?> parent) {
 301                 // Do nothing.
 302             }
 303         });
 304
 305         return domainSettingsView;
 306     }
 307 }