2 * Copyright © 2018-2020 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
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.
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.
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/>.
20 package com.stoutner.privacybrowser.activities;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.content.SharedPreferences;
25 import android.database.Cursor;
26 import android.database.MatrixCursor;
27 import android.os.Bundle;
28 import android.preference.PreferenceManager;
29 import android.view.View;
30 import android.view.WindowManager;
31 import android.widget.AdapterView;
32 import android.widget.ArrayAdapter;
33 import android.widget.ListView;
34 import android.widget.ResourceCursorAdapter;
35 import android.widget.Spinner;
36 import android.widget.TextView;
38 import androidx.annotation.NonNull;
39 import androidx.appcompat.app.ActionBar;
40 import androidx.appcompat.app.AppCompatActivity;
41 import androidx.appcompat.widget.Toolbar;
42 import androidx.fragment.app.DialogFragment;
44 import com.stoutner.privacybrowser.R;
45 import com.stoutner.privacybrowser.adapters.RequestsArrayAdapter;
46 import com.stoutner.privacybrowser.dialogs.ViewRequestDialog;
47 import com.stoutner.privacybrowser.helpers.BlocklistHelper;
49 import java.util.ArrayList;
50 import java.util.List;
52 public class RequestsActivity extends AppCompatActivity implements ViewRequestDialog.ViewRequestListener {
53 // The resource requests are populated by `MainWebViewActivity` before `RequestsActivity` is launched.
54 public static List<String[]> resourceRequests;
56 // Initialize the class constants.
57 private final String LISTVIEW_POSITION = "listview_position";
59 // Define the class views.
60 private ListView requestsListView;
63 public void onCreate(Bundle savedInstanceState) {
64 // Get a handle for the shared preferences.
65 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
67 // Get the screenshot preference.
68 boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
70 // Disable screenshots if not allowed.
71 if (!allowScreenshots) {
72 getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
76 setTheme(R.style.PrivacyBrowser);
78 // Run the default commands.
79 super.onCreate(savedInstanceState);
81 // Get the launching intent
82 Intent intent = getIntent();
84 // Get the status of the third-party blocklist.
85 boolean blockAllThirdPartyRequests = intent.getBooleanExtra("block_all_third_party_requests", false);
87 // Set the content view.
88 setContentView(R.layout.requests_coordinatorlayout);
90 // Use the AndroidX toolbar until the minimum API is >= 21.
91 Toolbar toolbar = findViewById(R.id.requests_toolbar);
92 setSupportActionBar(toolbar);
94 // Get a handle for the app bar and the list view.
95 ActionBar appBar = getSupportActionBar();
96 requestsListView = findViewById(R.id.requests_listview);
98 // Remove the incorrect lint warning that `appBar` might be null.
99 assert appBar != null;
101 // Display the spinner and the back arrow in the app bar.
102 appBar.setCustomView(R.layout.spinner);
103 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
105 // Initialize the resource array lists. A list is needed for all the resource requests, or the activity can crash if `MainWebViewActivity.resourceRequests` is modified after the activity loads.
106 List<String[]> allResourceRequests = new ArrayList<>();
107 List<String[]> defaultResourceRequests = new ArrayList<>();
108 List<String[]> allowedResourceRequests = new ArrayList<>();
109 List<String[]> thirdPartyResourceRequests = new ArrayList<>();
110 List<String[]> blockedResourceRequests = new ArrayList<>();
112 // Populate the resource array lists.
113 for (String[] request : resourceRequests) {
114 switch (request[BlocklistHelper.REQUEST_DISPOSITION]) {
115 case BlocklistHelper.REQUEST_DEFAULT:
116 // Add the request to the list of all requests.
117 allResourceRequests.add(request);
119 // Add the request to the list of default requests.
120 defaultResourceRequests.add(request);
123 case BlocklistHelper.REQUEST_ALLOWED:
124 // Add the request to the list of all requests.
125 allResourceRequests.add(request);
127 // Add the request to the list of allowed requests.
128 allowedResourceRequests.add(request);
131 case BlocklistHelper.REQUEST_THIRD_PARTY:
132 // Add the request to the list of all requests.
133 allResourceRequests.add(request);
135 // Add the request to the list of third-party requests.
136 thirdPartyResourceRequests.add(request);
139 case BlocklistHelper.REQUEST_BLOCKED:
140 // Add the request to the list of all requests.
141 allResourceRequests.add(request);
143 // Add the request to the list of blocked requests.
144 blockedResourceRequests.add(request);
149 // Setup a matrix cursor for the resource lists.
150 MatrixCursor spinnerCursor = new MatrixCursor(new String[]{"_id", "Requests"});
151 spinnerCursor.addRow(new Object[]{0, getString(R.string.all) + " - " + allResourceRequests.size()});
152 spinnerCursor.addRow(new Object[]{1, getString(R.string.default_label) + " - " + defaultResourceRequests.size()});
153 spinnerCursor.addRow(new Object[]{2, getString(R.string.allowed_plural) + " - " + allowedResourceRequests.size()});
154 if (blockAllThirdPartyRequests) {
155 spinnerCursor.addRow(new Object[]{3, getString(R.string.third_party_plural) + " - " + thirdPartyResourceRequests.size()});
157 spinnerCursor.addRow(new Object[]{4, getString(R.string.blocked_plural) + " - " + blockedResourceRequests.size()});
159 // Create a resource cursor adapter for the spinner.
160 ResourceCursorAdapter spinnerCursorAdapter = new ResourceCursorAdapter(this, R.layout.requests_appbar_spinner_item, spinnerCursor, 0) {
162 public void bindView(View view, Context context, Cursor cursor) {
163 // Get a handle for the spinner item text view.
164 TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
166 // Set the text view to display the resource list.
167 spinnerItemTextView.setText(cursor.getString(1));
171 // Set the resource cursor adapter drop down view resource.
172 spinnerCursorAdapter.setDropDownViewResource(R.layout.requests_appbar_spinner_dropdown_item);
174 // Get a handle for the app bar spinner and set the adapter.
175 Spinner appBarSpinner = findViewById(R.id.spinner);
176 appBarSpinner.setAdapter(spinnerCursorAdapter);
178 // Handle clicks on the spinner dropdown.
179 appBarSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
181 public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
183 case 0: // All requests.
184 // Get an adapter for all the request.
185 ArrayAdapter<String[]> allResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allResourceRequests);
187 // Display the adapter in the list view.
188 requestsListView.setAdapter(allResourceRequestsArrayAdapter);
191 case 1: // Default requests.
192 // Get an adapter for the default requests.
193 ArrayAdapter<String[]> defaultResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), defaultResourceRequests);
195 // Display the adapter in the list view.
196 requestsListView.setAdapter(defaultResourceRequestsArrayAdapter);
199 case 2: // Allowed requests.
200 // Get an adapter for the allowed requests.
201 ArrayAdapter<String[]> allowedResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allowedResourceRequests);
203 // Display the adapter in the list view.
204 requestsListView.setAdapter(allowedResourceRequestsArrayAdapter);
207 case 3: // Third-party requests.
208 // Get an adapter for the third-party requests.
209 ArrayAdapter<String[]> thirdPartyResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), thirdPartyResourceRequests);
211 //Display the adapter in the list view.
212 requestsListView.setAdapter(thirdPartyResourceRequestsArrayAdapter);
215 case 4: // Blocked requests.
216 // Get an adapter fo the blocked requests.
217 ArrayAdapter<String[]> blockedResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), blockedResourceRequests);
219 // Display the adapter in the list view.
220 requestsListView.setAdapter(blockedResourceRequestsArrayAdapter);
226 public void onNothingSelected(AdapterView<?> parent) {
231 // Create an array adapter with the list of the resource requests.
232 ArrayAdapter<String[]> resourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allResourceRequests);
234 // Populate the list view with the resource requests adapter.
235 requestsListView.setAdapter(resourceRequestsArrayAdapter);
237 // Listen for taps on entries in the list view.
238 requestsListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
239 // Display the view request dialog. The list view is 0 based, so the position must be incremented by 1.
240 launchViewRequestDialog(position + 1);
243 // Check to see if the activity has been restarted.
244 if (savedInstanceState != null) {
245 // Scroll to the saved position.
246 requestsListView.post(() -> requestsListView.setSelection(savedInstanceState.getInt(LISTVIEW_POSITION)));
251 public void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
252 // Run the default commands.
253 super.onSaveInstanceState(savedInstanceState);
255 // Get the listview position.
256 int listViewPosition = requestsListView.getFirstVisiblePosition();
258 // Store the listview position in the bundle.
259 savedInstanceState.putInt(LISTVIEW_POSITION, listViewPosition);
263 public void onPrevious(int id) {
264 // Show the previous dialog.
265 launchViewRequestDialog(id -1);
269 public void onNext(int id) {
270 // Show the next dialog.
271 launchViewRequestDialog(id + 1);
274 private void launchViewRequestDialog(int id) {
275 // Determine if this is the last request in the list.
276 boolean isLastRequest = (id == requestsListView.getCount());
278 // Get the string array for the selected resource request. The resource requests list view is zero based.
279 String[] selectedRequestStringArray = (String[]) requestsListView.getItemAtPosition(id - 1);
281 // Remove the warning that `selectedRequest` might be null.
282 assert selectedRequestStringArray != null;
284 // Show the request detail dialog.
285 DialogFragment viewRequestDialogFragment = ViewRequestDialog.request(id, isLastRequest, selectedRequestStringArray);
286 viewRequestDialogFragment.show(getSupportFragmentManager(), getString(R.string.request_details));