app/src/main/java/com/stoutner/privacybrowser/dialogs/ViewRequestDialog.java

   1 /*
   2  * Copyright © 2018-2019 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.dialogs;
  21
  22 import android.annotation.SuppressLint;
  23 import android.app.AlertDialog;
  24 import android.app.Dialog;
  25 import android.content.Context;
  26 import android.content.DialogInterface;
  27 import android.os.Bundle;
  28 import android.view.View;
  29 import android.view.WindowManager;
  30 import android.widget.Button;
  31 import android.widget.TextView;
  32
  33 import androidx.annotation.NonNull;
  34 import androidx.fragment.app.DialogFragment;
  35
  36 import com.stoutner.privacybrowser.R;
  37 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
  38
  39 public class ViewRequestDialog extends DialogFragment {
  40     // The public interface is used to send information back to the parent activity.
  41     public interface ViewRequestListener {
  42         void onPrevious(int id);
  43
  44         void onNext(int id);
  45     }
  46
  47     // `viewRequestListener` is used in `onAttach()` and `onCreateDialog()`.
  48     private ViewRequestListener viewRequestListener;
  49
  50     public void onAttach(Context context) {
  51         // Run the default commands.
  52         super.onAttach(context);
  53
  54         // Get a handle for the listener from the launching context.
  55         viewRequestListener = (ViewRequestListener) context;
  56     }
  57
  58     public static ViewRequestDialog request(int id, boolean isLastRequest, String[] requestDetails) {
  59         // Create a bundle.
  60         Bundle bundle = new Bundle();
  61
  62         // Store the request details.
  63         bundle.putInt("ID", id);
  64         bundle.putBoolean("Is Last Request", isLastRequest);
  65         bundle.putStringArray("Request Details", requestDetails);
  66
  67         // Add the bundle to the dialog.
  68         ViewRequestDialog viewRequestDialog = new ViewRequestDialog();
  69         viewRequestDialog.setArguments(bundle);
  70
  71         // Return the new dialog.
  72         return viewRequestDialog;
  73     }
  74
  75     @Override
  76     @NonNull
  77     // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
  78     @SuppressLint("InflateParams")
  79     public Dialog onCreateDialog(Bundle savedInstanceState) {
  80         // Remove the incorrect lint warning that `getInt()` might be null.
  81         assert getArguments() != null;
  82
  83         // Get the info from the bundle.
  84         int id = getArguments().getInt("ID");
  85         boolean isLastRequest = getArguments().getBoolean("Is Last Request");
  86         String[] requestDetails = getArguments().getStringArray("Request Details");
  87
  88         // Use an alert dialog builder to create the alert dialog.
  89         AlertDialog.Builder dialogBuilder;
  90
  91         // Set the style and icon according to the theme.
  92         if (MainWebViewActivity.darkTheme) {
  93             dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
  94             dialogBuilder.setIcon(R.drawable.block_ads_enabled_dark);
  95         } else {
  96             dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
  97             dialogBuilder.setIcon(R.drawable.block_ads_enabled_light);
  98         }
  99
 100         // Create the dialog title.
 101         String title = getResources().getString(R.string.request_details) + " - " + id;
 102
 103         // Set the title.
 104         dialogBuilder.setTitle(title);
 105
 106         // Remove the incorrect lint warnings about items being null.
 107         assert requestDetails != null;
 108         assert getActivity() != null;
 109
 110         // Set the view.  The parent view is null because it will be assigned by the alert dialog.
 111         dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.view_request_dialog, null));
 112
 113         // Set the close button.
 114         dialogBuilder.setNeutralButton(R.string.close, (DialogInterface dialog, int which) -> {
 115             // Do nothing.  The dialog will close automatically.
 116         });
 117
 118         // Set the previous button.
 119         dialogBuilder.setNegativeButton(R.string.previous, (DialogInterface dialog, int which) -> {
 120             // Load the previous request.
 121             viewRequestListener.onPrevious(id);
 122         });
 123
 124         // Set the next button.
 125         dialogBuilder.setPositiveButton(R.string.next, (DialogInterface dialog, int which) -> {
 126             // Load the next request.
 127             viewRequestListener.onNext(id);
 128         });
 129
 130         // Create an alert dialog from the alert dialog builder.
 131         final AlertDialog alertDialog = dialogBuilder.create();
 132
 133         // Disable screenshots if not allowed.
 134         if (!MainWebViewActivity.allowScreenshots) {
 135             // Remove the warning below that `getWindow()` might be null.
 136             assert alertDialog.getWindow() != null;
 137
 138             // Disable screenshots.
 139             alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
 140         }
 141
 142         //The alert dialog must be shown before the contents can be modified.
 143         alertDialog.show();
 144
 145         // Get handles for the dialog views.
 146         TextView requestDisposition = alertDialog.findViewById(R.id.request_disposition);
 147         TextView requestUrl = alertDialog.findViewById(R.id.request_url);
 148         TextView requestBlockListLabel = alertDialog.findViewById(R.id.request_blocklist_label);
 149         TextView requestBlockList = alertDialog.findViewById(R.id.request_blocklist);
 150         TextView requestSubListLabel = alertDialog.findViewById(R.id.request_sublist_label);
 151         TextView requestSubList = alertDialog.findViewById(R.id.request_sublist);
 152         TextView requestBlockListEntriesLabel = alertDialog.findViewById(R.id.request_blocklist_entries_label);
 153         TextView requestBlockListEntries = alertDialog.findViewById(R.id.request_blocklist_entries);
 154         TextView requestBlockListOriginalEntryLabel = alertDialog.findViewById(R.id.request_blocklist_original_entry_label);
 155         TextView requestBlockListOriginalEntry = alertDialog.findViewById(R.id.request_blocklist_original_entry);
 156         Button previousButton = alertDialog.getButton(DialogInterface.BUTTON_NEGATIVE);
 157         Button nextButton = alertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
 158
 159         // Disable the previous button if the first resource request is displayed.
 160         previousButton.setEnabled(!(id == 1));
 161
 162         // Disable the next button if the last resource request is displayed.
 163         nextButton.setEnabled(!isLastRequest);
 164
 165         // Set the request action text.
 166         switch (Integer.valueOf(requestDetails[MainWebViewActivity.REQUEST_DISPOSITION])) {
 167             case MainWebViewActivity.REQUEST_DEFAULT:
 168                 // Set the text.
 169                 requestDisposition.setText(R.string.default_allowed);
 170
 171                 // Set the background color.
 172                 requestDisposition.setBackgroundColor(getResources().getColor(R.color.transparent));
 173                 break;
 174
 175             case MainWebViewActivity.REQUEST_ALLOWED:
 176                 // Set the text.
 177                 requestDisposition.setText(R.string.allowed);
 178
 179                 // Set the background color.
 180                 if (MainWebViewActivity.darkTheme) {
 181                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.blue_700_50));
 182                 } else {
 183                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.blue_100));
 184                 }
 185                 break;
 186
 187             case MainWebViewActivity.REQUEST_THIRD_PARTY:
 188                 // Set the text.
 189                 requestDisposition.setText(R.string.third_party_blocked);
 190
 191                 // Set the background color.
 192                 if (MainWebViewActivity.darkTheme) {
 193                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.yellow_700_50));
 194                 } else {
 195                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.yellow_100));
 196                 }
 197                 break;
 198
 199             case MainWebViewActivity.REQUEST_BLOCKED:
 200                 // Set the text.
 201                 requestDisposition.setText(R.string.blocked);
 202
 203                 // Set the background color.
 204                 if (MainWebViewActivity.darkTheme) {
 205                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.red_700_40));
 206                 } else {
 207                     requestDisposition.setBackgroundColor(getResources().getColor(R.color.red_100));
 208                 }
 209                 break;
 210         }
 211
 212         // Display the request URL.
 213         requestUrl.setText(requestDetails[MainWebViewActivity.REQUEST_URL]);
 214
 215         // Modify the dialog based on the request action.
 216         if (requestDetails.length == 2) {  // A default request.
 217             // Hide the unused views.
 218             requestBlockListLabel.setVisibility(View.GONE);
 219             requestBlockList.setVisibility(View.GONE);
 220             requestSubListLabel.setVisibility(View.GONE);
 221             requestSubList.setVisibility(View.GONE);
 222             requestBlockListEntriesLabel.setVisibility(View.GONE);
 223             requestBlockListEntries.setVisibility(View.GONE);
 224             requestBlockListOriginalEntryLabel.setVisibility(View.GONE);
 225             requestBlockListOriginalEntry.setVisibility(View.GONE);
 226         } else {  // A blocked or allowed request.
 227             // Set the text on the text views.
 228             requestBlockList.setText(requestDetails[MainWebViewActivity.REQUEST_BLOCKLIST]);
 229             requestBlockListEntries.setText(requestDetails[MainWebViewActivity.REQUEST_BLOCKLIST_ENTRIES]);
 230             requestBlockListOriginalEntry.setText(requestDetails[MainWebViewActivity.REQUEST_BLOCKLIST_ORIGINAL_ENTRY]);
 231
 232             // Set the sublist text.
 233             switch (Integer.valueOf(requestDetails[MainWebViewActivity.REQUEST_SUBLIST])) {
 234                 case MainWebViewActivity.MAIN_WHITELIST:
 235                     requestSubList.setText(R.string.main_whitelist);
 236                     break;
 237
 238                 case MainWebViewActivity.FINAL_WHITELIST:
 239                     requestSubList.setText(R.string.final_whitelist);
 240                     break;
 241
 242                 case MainWebViewActivity.DOMAIN_WHITELIST:
 243                     requestSubList.setText(R.string.domain_whitelist);
 244                     break;
 245
 246                 case MainWebViewActivity.DOMAIN_INITIAL_WHITELIST:
 247                     requestSubList.setText(R.string.domain_initial_whitelist);
 248                     break;
 249
 250                 case MainWebViewActivity.DOMAIN_FINAL_WHITELIST:
 251                     requestSubList.setText(R.string.domain_final_whitelist);
 252                     break;
 253
 254                 case MainWebViewActivity.THIRD_PARTY_WHITELIST:
 255                     requestSubList.setText(R.string.third_party_whitelist);
 256                     break;
 257
 258                 case MainWebViewActivity.THIRD_PARTY_DOMAIN_WHITELIST:
 259                     requestSubList.setText(R.string.third_party_domain_whitelist);
 260                     break;
 261
 262                 case MainWebViewActivity.THIRD_PARTY_DOMAIN_INITIAL_WHITELIST:
 263                     requestSubList.setText(R.string.third_party_domain_initial_whitelist);
 264                     break;
 265
 266                 case MainWebViewActivity.MAIN_BLACKLIST:
 267                     requestSubList.setText(R.string.main_blacklist);
 268                     break;
 269
 270                 case MainWebViewActivity.INITIAL_BLACKLIST:
 271                     requestSubList.setText(R.string.initial_blacklist);
 272                     break;
 273
 274                 case MainWebViewActivity.FINAL_BLACKLIST:
 275                     requestSubList.setText(R.string.final_blacklist);
 276                     break;
 277
 278                 case MainWebViewActivity.DOMAIN_BLACKLIST:
 279                     requestSubList.setText(R.string.domain_blacklist);
 280                     break;
 281
 282                 case MainWebViewActivity.DOMAIN_INITIAL_BLACKLIST:
 283                     requestSubList.setText(R.string.domain_initial_blacklist);
 284                     break;
 285
 286                 case MainWebViewActivity.DOMAIN_FINAL_BLACKLIST:
 287                     requestSubList.setText(R.string.domain_final_blacklist);
 288                     break;
 289
 290                 case MainWebViewActivity.DOMAIN_REGULAR_EXPRESSION_BLACKLIST:
 291                     requestSubList.setText(R.string.domain_regular_expression_blacklist);
 292                     break;
 293
 294                 case MainWebViewActivity.THIRD_PARTY_BLACKLIST:
 295                     requestSubList.setText(R.string.third_party_blacklist);
 296                     break;
 297
 298                 case MainWebViewActivity.THIRD_PARTY_DOMAIN_BLACKLIST:
 299                     requestSubList.setText(R.string.third_party_domain_blacklist);
 300                     break;
 301
 302                 case MainWebViewActivity.THIRD_PARTY_DOMAIN_INITIAL_BLACKLIST:
 303                     requestSubList.setText(R.string.third_party_domain_initial_blacklist);
 304                     break;
 305
 306                 case MainWebViewActivity.THIRD_PARTY_REGULAR_EXPRESSION_BLACKLIST:
 307                     requestSubList.setText(R.string.third_party_regular_expression_blacklist);
 308                     break;
 309
 310                 case MainWebViewActivity.THIRD_PARTY_DOMAIN_REGULAR_EXPRESSION_BLACKLIST:
 311                     requestSubList.setText(R.string.third_party_domain_regular_expression_blacklist);
 312                     break;
 313
 314                 case MainWebViewActivity.REGULAR_EXPRESSION_BLACKLIST:
 315                     requestSubList.setText(R.string.regular_expression_blacklist);
 316                     break;
 317             }
 318         }
 319
 320         // `onCreateDialog` requires the return of an alert dialog.
 321         return alertDialog;
 322     }
 323 }