2 * Copyright 2016 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;
22 import android.annotation.SuppressLint;
23 import android.content.SharedPreferences;
24 import android.os.Build;
25 import android.os.Bundle;
26 import android.preference.Preference;
27 import android.preference.PreferenceFragment;
28 import android.view.MenuItem;
30 public class SettingsFragment extends PreferenceFragment {
31 private SharedPreferences.OnSharedPreferenceChangeListener preferencesListener;
32 private SharedPreferences savedPreferences;
35 public void onCreate(Bundle savedInstanceState) {
36 super.onCreate(savedInstanceState);
37 addPreferencesFromResource(R.xml.preferences);
39 // Initialize savedPreferences.
40 savedPreferences = getPreferenceScreen().getSharedPreferences();
42 // Allow the user to access "dom_storage_enabled" if "javascript_enabled" is enabled. The default is false.
43 final Preference domStorageEnabled = findPreference("dom_storage_enabled");
44 domStorageEnabled.setEnabled(savedPreferences.getBoolean("javascript_enabled", false));
46 // Allow the user to access "third_party_cookies_enabled" if "first_party_cookies_enabled" is enabled. The default is false.
47 final Preference thirdPartyCookiesEnabled = findPreference("third_party_cookies_enabled");
48 thirdPartyCookiesEnabled.setEnabled(savedPreferences.getBoolean("first_party_cookies_enabled", false));
50 // Set the current user-agent as the summary text for the "user_agent" preference when the preference screen is loaded.
51 final Preference userAgentPreference = findPreference("user_agent");
52 switch (savedPreferences.getString("user_agent", "Default user agent")) {
53 case "Default user agent":
54 // Get the user agent text from the webview (which changes based on the version of Android and WebView installed).
55 // Once API >= 17 we can use getDefaultUserAgent() instead of getUserAgentString().
56 userAgentPreference.setSummary(MainWebViewActivity.mainWebView.getSettings().getUserAgentString());
59 case "Custom user agent":
60 // We can't use the string from the array because it is referenced in code and can't be translated.
61 userAgentPreference.setSummary(R.string.custom_user_agent);
65 // Display the user agent from the preference as the summary text.
66 userAgentPreference.setSummary(savedPreferences.getString("user_agent", "Default user agent"));
70 // Set the summary text for "custom_user_agent" (the default is "PrivacyBrowser/1.0") and enable it if "user_agent" it set to "Custom user agent".
71 final Preference customUserAgent = findPreference("custom_user_agent");
72 customUserAgent.setSummary(savedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0"));
73 customUserAgent.setEnabled(userAgentPreference.getSummary().equals("Custom user agent"));
76 // Set the JavaScript-disabled search URL as the summary text for the JavaScript-disabled search preference when the preference screen is loaded.
77 // The default is "https://duckduckgo.com/html/?q=".
78 final Preference javaScriptDisabledSearchPreference = findPreference("javascript_disabled_search");
79 String javaScriptDisabledSearchString = savedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
80 if (javaScriptDisabledSearchString.equals("Custom URL")) {
81 // If set to "Custom URL", use R.string.custom_url, which will be translated, instead of the array value, which will not.
82 javaScriptDisabledSearchPreference.setSummary(R.string.custom_url);
84 // Set the array value as the summary text.
85 javaScriptDisabledSearchPreference.setSummary(javaScriptDisabledSearchString);
88 // Set the summary text for "javascript_disabled_search_custom_url" (the default is "") and enable it if "javascript_disabled_search" is set to "Custom URL".
89 final Preference javaScriptDisabledSearchCustomURLPreference = findPreference("javascript_disabled_search_custom_url");
90 javaScriptDisabledSearchCustomURLPreference.setSummary(savedPreferences.getString("javascript_disabled_search_custom_url", ""));
91 javaScriptDisabledSearchCustomURLPreference.setEnabled(javaScriptDisabledSearchString.equals("Custom URL"));
94 // Set the JavaScript-enabed searchURL as the summary text for the JavaScript-enabled search preference when the preference screen is loaded.
95 // The default is "https://duckduckgo.com/?q=".
96 final Preference javaScriptEnabledSearchPreference = findPreference("javascript_enabled_search");
97 String javaScriptEnabledSearchString = savedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
98 if (javaScriptEnabledSearchString.equals("Custom URL")) {
99 // If set to "Custom URL", use R.string.custom_url, which will be tgranslated, instead of the array value, which will not.
100 javaScriptEnabledSearchPreference.setSummary(R.string.custom_url);
102 // Set the array value as the summary text.
103 javaScriptEnabledSearchPreference.setSummary(javaScriptEnabledSearchString);
106 // Set the summary text for "javascript_enabled_search_custom_url" (the default is "") and enable it if "javascript_enabled_search" is set to "Custom URL".
107 final Preference javaScriptEnabledSearchCustomURLPreference = findPreference("javascript_enabled_search_custom_url");
108 javaScriptEnabledSearchCustomURLPreference.setSummary(savedPreferences.getString("javascript_enabled_search_custom_url", ""));
109 javaScriptEnabledSearchCustomURLPreference.setEnabled(javaScriptEnabledSearchString.equals("Custom URL"));
112 // Set the homepage URL as the summary text for the Homepage preference when the preference screen is loaded. The default is "https://www.duckduckgo.com".
113 final Preference homepagePreference = findPreference("homepage");
114 homepagePreference.setSummary(savedPreferences.getString("homepage", "https://www.duckduckgo.com"));
117 // Listen for preference changes.
118 preferencesListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
120 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. We know.
121 @SuppressLint("SetJavaScriptEnabled")
122 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
125 case "javascript_enabled":
126 // Set javaScriptEnabled to the new state. The default is false.
127 MainWebViewActivity.javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
129 // Toggle the state of the "dom_storage_enabled" preference. The default is false.
130 final Preference domStorageEnabled = findPreference("dom_storage_enabled");
131 domStorageEnabled.setEnabled(sharedPreferences.getBoolean("javascript_enabled", false));
133 // Update mainWebView and reload the website.
134 MainWebViewActivity.mainWebView.getSettings().setJavaScriptEnabled(MainWebViewActivity.javaScriptEnabled);
135 MainWebViewActivity.mainWebView.reload();
137 // Update the privacy icon.
141 case "first_party_cookies_enabled":
142 // Set firstPartyCookiesEnabled to the new state. The default is false.
143 MainWebViewActivity.firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
145 // Toggle the state of the "third_party_cookies_enabled" preference. The default is false.
146 final Preference thirdPartyCookiesEnabled = findPreference("third_party_cookies_enabled");
147 thirdPartyCookiesEnabled.setEnabled(sharedPreferences.getBoolean("first_party_cookies_enabled", false));
149 // Update mainWebView and reload the website.
150 MainWebViewActivity.cookieManager.setAcceptCookie(MainWebViewActivity.firstPartyCookiesEnabled);
151 MainWebViewActivity.mainWebView.reload();
153 // Update the checkbox in the options menu.
154 MenuItem firstPartyCookiesMenuItem = MainWebViewActivity.mainMenu.findItem(R.id.toggleFirstPartyCookies);
155 firstPartyCookiesMenuItem.setChecked(MainWebViewActivity.firstPartyCookiesEnabled);
157 // Update the privacy icon.
161 case "third_party_cookies_enabled":
162 // Set thirdPartyCookiesEnabled to the new state. The default is false.
163 MainWebViewActivity.thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
165 // Update the checkbox in the options menu.
166 MenuItem thirdPartyCookiesMenuItem = MainWebViewActivity.mainMenu.findItem(R.id.toggleThirdPartyCookies);
167 thirdPartyCookiesMenuItem.setChecked(MainWebViewActivity.thirdPartyCookiesEnabled);
169 // Update mainWebView and reload the website if API >= 21.
170 if (Build.VERSION.SDK_INT >= 21) {
171 MainWebViewActivity.cookieManager.setAcceptThirdPartyCookies(MainWebViewActivity.mainWebView, MainWebViewActivity.thirdPartyCookiesEnabled);
172 MainWebViewActivity.mainWebView.reload();
176 case "dom_storage_enabled":
177 // Set domStorageEnabled to the new state. The default is false.
178 MainWebViewActivity.domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
180 // Update the checkbox in the options menu.
181 MenuItem domStorageMenuItem = MainWebViewActivity.mainMenu.findItem(R.id.toggleDomStorage);
182 domStorageMenuItem.setChecked(MainWebViewActivity.domStorageEnabled);
184 // Update mainWebView and reload the website.
185 MainWebViewActivity.mainWebView.getSettings().setDomStorageEnabled(MainWebViewActivity.domStorageEnabled);
186 MainWebViewActivity.mainWebView.reload();
188 // Update the privacy icon.
193 String userAgentString = sharedPreferences.getString("user_agent", "Default user agent");
195 switch (userAgentString) {
196 case "Default user agent":
197 // Set the default user agent on mainWebView, display the user agent as the summary text for userAgentPreference, and disable customUserAgent.
198 // Once API >= 17 we can use getDefaultUserAgent(). For now, setUserAgentString("") sets the WebView's default user agent.
199 MainWebViewActivity.mainWebView.getSettings().setUserAgentString("");
200 userAgentPreference.setSummary(MainWebViewActivity.mainWebView.getSettings().getUserAgentString());
201 customUserAgent.setEnabled(false);
204 case "Custom user agent":
205 // Set the custom user agent on mainWebView, display "Custom user agent" as the summary text for userAgentPreference, and enable customUserAgent.
206 MainWebViewActivity.mainWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0"));
207 userAgentPreference.setSummary(R.string.custom_user_agent);
208 customUserAgent.setEnabled(true);
212 // Set the user agent on mainWebView, display the user agent as the summary text for userAgentPreference, and disable customUserAgent.
213 MainWebViewActivity.mainWebView.getSettings().setUserAgentString(sharedPreferences.getString("user_agent", "Default user agent"));
214 userAgentPreference.setSummary(MainWebViewActivity.mainWebView.getSettings().getUserAgentString());
215 customUserAgent.setEnabled(false);
220 case "custom_user_agent":
221 // Set the new custom user agent as the summary text for "custom_user_agent". The default is "PrivacyBrowser/1.0".
222 customUserAgent.setSummary(sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0"));
224 // Update mainWebView's user agent. The default is "PrivacyBrowser/1.0".
225 MainWebViewActivity.mainWebView.getSettings().setUserAgentString(sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0"));
228 case "javascript_disabled_search":
229 String newJavaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
230 if (newJavaScriptDisabledSearchString.equals("Custom URL")) {
231 // Set the summary text to R.string.custom_url, which will be translated.
232 javaScriptDisabledSearchPreference.setSummary(R.string.custom_url);
234 // Update the javaScriptDisabledSearchURL variable. The default is "".
235 MainWebViewActivity.javaScriptDisabledSearchURL = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
236 } else { // javascript_disabled_search is not set to Custom.
237 // Set the new search URL as the summary text for the JavaScript-disabled search preference. The default is "https://duckduckgo.com/html/?q=".
238 javaScriptDisabledSearchPreference.setSummary(newJavaScriptDisabledSearchString);
240 // Update the javaScriptDisabledSearchURL variable. The default is "https://duckduckgo.com/html/?q=".
241 MainWebViewActivity.javaScriptDisabledSearchURL = newJavaScriptDisabledSearchString;
244 // Enable or disable javaScriptDisabledSearchCustomURLPreference.
245 javaScriptDisabledSearchCustomURLPreference.setEnabled(newJavaScriptDisabledSearchString.equals("Custom URL"));
248 case "javascript_disabled_search_custom_url":
249 // Set the new custom search URL as the summary text for "javascript_disabled_search_custom_url". The default is "".
250 javaScriptDisabledSearchCustomURLPreference.setSummary(sharedPreferences.getString("javascript_disabled_search_custom_url", ""));
252 // Update javaScriptDisabledSearchCustomURL. The default is "".
253 MainWebViewActivity.javaScriptDisabledSearchURL = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
256 case "javascript_enabled_search":
257 String newJavaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
258 if (newJavaScriptEnabledSearchString.equals("Custom URL")) {
259 // Set the summary text to R.string.custom_url, which will be translated.
260 javaScriptEnabledSearchPreference.setSummary(R.string.custom_url);
262 // Update the javaScriptEnabledSearchURL variable. The default is "".
263 MainWebViewActivity.javaScriptEnabledSearchURL = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
264 } else { // javascript_enabled_search is not set to Custom.
265 // Set the new search URL as the summary text for the JavaScript-enabled search preference. The default is "https://duckduckgo.com/?q=".
266 javaScriptEnabledSearchPreference.setSummary(newJavaScriptEnabledSearchString);
268 // Update the javaScriptEnabledSearchURL variable. The default is "https://duckduckgo.com/?q=".
269 MainWebViewActivity.javaScriptEnabledSearchURL = newJavaScriptEnabledSearchString;
272 // Enable or disable javaScriptEnabledSearchCustomURLPreference.
273 javaScriptEnabledSearchCustomURLPreference.setEnabled(newJavaScriptEnabledSearchString.equals("Custom URL"));
276 case "javascript_enabled_search_custom_url":
277 // Set the new custom search URL as the summary text for "javascript_enabled_search_custom_url". The default is "".
278 javaScriptEnabledSearchCustomURLPreference.setSummary(sharedPreferences.getString("javascript_enabled_search_custom_url", ""));
280 // Update javaScriptEnabledSearchCustomURL. The default is "".
281 MainWebViewActivity.javaScriptEnabledSearchURL = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
285 // Set the new homepage URL as the summary text for the Homepage preference. The default is "https://www.duckduckgo.com".
286 homepagePreference.setSummary(sharedPreferences.getString("homepage", "https://www.duckduckgo.com"));
288 // Update the homepage variable. The default is "https://www.duckduckgo.com".
289 MainWebViewActivity.homepage = sharedPreferences.getString("homepage", "https://www.duckduckgo.com");
292 case "swipe_to_refresh_enabled":
293 // Set swipeToRefreshEnabled to the new state. The default is true.
294 MainWebViewActivity.swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", true);
296 // Update swipeRefreshLayout to match the new state.
297 MainWebViewActivity.swipeToRefresh.setEnabled(MainWebViewActivity.swipeToRefreshEnabled);
301 // If no match, do nothing.
307 // Register the listener.
308 savedPreferences.registerOnSharedPreferenceChangeListener(preferencesListener);
311 // It is necessary to re-register the listener on every resume or it will randomly stop working because apps can be paused and resumed at any time
312 // even while running in the foreground.
314 public void onPause() {
316 savedPreferences.unregisterOnSharedPreferenceChangeListener(preferencesListener);
320 public void onResume() {
322 savedPreferences.registerOnSharedPreferenceChangeListener(preferencesListener);
325 private void updatePrivacyIcon() {
326 // Define a reference to the toggleJavaScript icon.
327 MenuItem toggleJavaScript = MainWebViewActivity.mainMenu.findItem(R.id.toggleJavaScript);
329 if (MainWebViewActivity.javaScriptEnabled) {
330 toggleJavaScript.setIcon(R.drawable.javascript_enabled);
332 if (MainWebViewActivity.firstPartyCookiesEnabled) {
333 toggleJavaScript.setIcon(R.drawable.warning);
335 toggleJavaScript.setIcon(R.drawable.privacy_mode);