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.appcompat.app.ActionBar;
39 import androidx.appcompat.app.AppCompatActivity;
40 import androidx.appcompat.widget.Toolbar; // The AndroidX toolbar must be used until the minimum API >= 21.
41 import androidx.fragment.app.DialogFragment;
43 import com.stoutner.privacybrowser.R;
44 import com.stoutner.privacybrowser.adapters.RequestsArrayAdapter;
45 import com.stoutner.privacybrowser.dialogs.ViewRequestDialog;
46 import com.stoutner.privacybrowser.helpers.BlocklistHelper;
48 import java.util.ArrayList;
49 import java.util.List;
51 public class RequestsActivity extends AppCompatActivity implements ViewRequestDialog.ViewRequestListener {
52 // The resource requests are populated by `MainWebViewActivity` before `RequestsActivity` is launched.
53 public static List<String[]> resourceRequests;
55 // The list view is used in `onCreate()` and `launchViewRequestDialog()`.
56 private ListView requestsListView;
59 public void onCreate(Bundle savedInstanceState) {
60 // Get a handle for the shared preferences.
61 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
63 // Get the screenshot preference.
64 boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
66 // Disable screenshots if not allowed.
67 if (!allowScreenshots) {
68 getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
72 setTheme(R.style.PrivacyBrowser);
74 // Run the default commands.
75 super.onCreate(savedInstanceState);
77 // Get the launching intent
78 Intent intent = getIntent();
80 // Get the status of the third-party blocklist.
81 boolean blockAllThirdPartyRequests = intent.getBooleanExtra("block_all_third_party_requests", false);
83 // Set the content view.
84 setContentView(R.layout.requests_coordinatorlayout);
86 // Use the AndroidX toolbar until the minimum API is >= 21.
87 Toolbar toolbar = findViewById(R.id.requests_toolbar);
88 setSupportActionBar(toolbar);
90 // Get a handle for the app bar and the list view.
91 ActionBar appBar = getSupportActionBar();
92 requestsListView = findViewById(R.id.requests_listview);
94 // Remove the incorrect lint warning that `appBar` might be null.
95 assert appBar != null;
97 // Display the spinner and the back arrow in the app bar.
98 appBar.setCustomView(R.layout.spinner);
99 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
101 // 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.
102 List<String[]> allResourceRequests = new ArrayList<>();
103 List<String[]> defaultResourceRequests = new ArrayList<>();
104 List<String[]> allowedResourceRequests = new ArrayList<>();
105 List<String[]> thirdPartyResourceRequests = new ArrayList<>();
106 List<String[]> blockedResourceRequests = new ArrayList<>();
108 // Populate the resource array lists.
109 for (String[] request : resourceRequests) {
110 switch (request[BlocklistHelper.REQUEST_DISPOSITION]) {
111 case BlocklistHelper.REQUEST_DEFAULT:
112 // Add the request to the list of all requests.
113 allResourceRequests.add(request);
115 // Add the request to the list of default requests.
116 defaultResourceRequests.add(request);
119 case BlocklistHelper.REQUEST_ALLOWED:
120 // Add the request to the list of all requests.
121 allResourceRequests.add(request);
123 // Add the request to the list of allowed requests.
124 allowedResourceRequests.add(request);
127 case BlocklistHelper.REQUEST_THIRD_PARTY:
128 // Add the request to the list of all requests.
129 allResourceRequests.add(request);
131 // Add the request to the list of third-party requests.
132 thirdPartyResourceRequests.add(request);
135 case BlocklistHelper.REQUEST_BLOCKED:
136 // Add the request to the list of all requests.
137 allResourceRequests.add(request);
139 // Add the request to the list of blocked requests.
140 blockedResourceRequests.add(request);
145 // Setup a matrix cursor for the resource lists.
146 MatrixCursor spinnerCursor = new MatrixCursor(new String[]{"_id", "Requests"});
147 spinnerCursor.addRow(new Object[]{0, getString(R.string.all) + " - " + allResourceRequests.size()});
148 spinnerCursor.addRow(new Object[]{1, getString(R.string.default_label) + " - " + defaultResourceRequests.size()});
149 spinnerCursor.addRow(new Object[]{2, getString(R.string.allowed_plural) + " - " + allowedResourceRequests.size()});
150 if (blockAllThirdPartyRequests) {
151 spinnerCursor.addRow(new Object[]{3, getString(R.string.third_party_plural) + " - " + thirdPartyResourceRequests.size()});
153 spinnerCursor.addRow(new Object[]{4, getString(R.string.blocked_plural) + " - " + blockedResourceRequests.size()});
155 // Create a resource cursor adapter for the spinner.
156 ResourceCursorAdapter spinnerCursorAdapter = new ResourceCursorAdapter(this, R.layout.requests_appbar_spinner_item, spinnerCursor, 0) {
158 public void bindView(View view, Context context, Cursor cursor) {
159 // Get a handle for the spinner item text view.
160 TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
162 // Set the text view to display the resource list.
163 spinnerItemTextView.setText(cursor.getString(1));
167 // Set the resource cursor adapter drop down view resource.
168 spinnerCursorAdapter.setDropDownViewResource(R.layout.requests_appbar_spinner_dropdown_item);
170 // Get a handle for the app bar spinner and set the adapter.
171 Spinner appBarSpinner = findViewById(R.id.spinner);
172 appBarSpinner.setAdapter(spinnerCursorAdapter);
174 // Handle clicks on the spinner dropdown.
175 appBarSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
177 public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
179 case 0: // All requests.
180 // Get an adapter for all the request.
181 ArrayAdapter<String[]> allResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allResourceRequests);
183 // Display the adapter in the list view.
184 requestsListView.setAdapter(allResourceRequestsArrayAdapter);
187 case 1: // Default requests.
188 // Get an adapter for the default requests.
189 ArrayAdapter<String[]> defaultResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), defaultResourceRequests);
191 // Display the adapter in the list view.
192 requestsListView.setAdapter(defaultResourceRequestsArrayAdapter);
195 case 2: // Allowed requests.
196 // Get an adapter for the allowed requests.
197 ArrayAdapter<String[]> allowedResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allowedResourceRequests);
199 // Display the adapter in the list view.
200 requestsListView.setAdapter(allowedResourceRequestsArrayAdapter);
203 case 3: // Third-party requests.
204 // Get an adapter for the third-party requests.
205 ArrayAdapter<String[]> thirdPartyResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), thirdPartyResourceRequests);
207 //Display the adapter in the list view.
208 requestsListView.setAdapter(thirdPartyResourceRequestsArrayAdapter);
211 case 4: // Blocked requests.
212 // Get an adapter fo the blocked requests.
213 ArrayAdapter<String[]> blockedResourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), blockedResourceRequests);
215 // Display the adapter in the list view.
216 requestsListView.setAdapter(blockedResourceRequestsArrayAdapter);
222 public void onNothingSelected(AdapterView<?> parent) {
227 // Create an array adapter with the list of the resource requests.
228 ArrayAdapter<String[]> resourceRequestsArrayAdapter = new RequestsArrayAdapter(getApplicationContext(), allResourceRequests);
230 // Populate the list view with the resource requests adapter.
231 requestsListView.setAdapter(resourceRequestsArrayAdapter);
233 // Listen for taps on entries in the list view.
234 requestsListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
235 // Display the view request dialog. The list view is 0 based, so the position must be incremented by 1.
236 launchViewRequestDialog(position + 1);
241 public void onPrevious(int id) {
242 // Show the previous dialog.
243 launchViewRequestDialog(id -1);
247 public void onNext(int id) {
248 // Show the next dialog.
249 launchViewRequestDialog(id + 1);
252 private void launchViewRequestDialog(int id) {
253 // Determine if this is the last request in the list.
254 boolean isLastRequest = (id == requestsListView.getCount());
256 // Get the string array for the selected resource request. The resource requests list view is zero based.
257 String[] selectedRequestStringArray = (String[]) requestsListView.getItemAtPosition(id - 1);
259 // Remove the warning that `selectedRequest` might be null.
260 assert selectedRequestStringArray != null;
262 // Show the request detail dialog.
263 DialogFragment viewRequestDialogFragment = ViewRequestDialog.request(id, isLastRequest, selectedRequestStringArray);
264 viewRequestDialogFragment.show(getSupportFragmentManager(), getString(R.string.request_details));