-/*
- * Copyright 2015-2017 Soren Stoutner <soren@stoutner.com>.
- *
- * Download cookie code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
- *
- * Privacy Browser is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Privacy Browser is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.activities;
-
-import android.annotation.SuppressLint;
-import android.app.DialogFragment;
-import android.app.DownloadManager;
-import android.content.BroadcastReceiver;
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.SharedPreferences;
-import android.content.res.Configuration;
-import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.net.http.SslCertificate;
-import android.net.http.SslError;
-import android.os.Build;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.print.PrintDocumentAdapter;
-import android.print.PrintManager;
-import android.support.annotation.NonNull;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.design.widget.NavigationView;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.view.GravityCompat;
-import android.support.v4.widget.DrawerLayout;
-import android.support.v4.widget.SwipeRefreshLayout;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.ActionBarDrawerToggle;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.app.AppCompatDialogFragment;
-import android.support.v7.widget.Toolbar;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.util.Patterns;
-import android.view.ContextMenu;
-import android.view.GestureDetector;
-import android.view.KeyEvent;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.WindowManager;
-import android.view.inputmethod.InputMethodManager;
-import android.webkit.CookieManager;
-import android.webkit.DownloadListener;
-import android.webkit.SslErrorHandler;
-import android.webkit.WebBackForwardList;
-import android.webkit.WebChromeClient;
-import android.webkit.WebResourceResponse;
-import android.webkit.WebStorage;
-import android.webkit.WebView;
-import android.webkit.WebViewClient;
-import android.webkit.WebViewDatabase;
-import android.widget.EditText;
-import android.widget.FrameLayout;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.ProgressBar;
-import android.widget.RelativeLayout;
-import android.widget.TextView;
-
-import com.stoutner.privacybrowser.BannerAd;
-import com.stoutner.privacybrowser.BuildConfig;
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
-import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcut;
-import com.stoutner.privacybrowser.dialogs.DownloadFile;
-import com.stoutner.privacybrowser.dialogs.DownloadImage;
-import com.stoutner.privacybrowser.dialogs.SslCertificateError;
-import com.stoutner.privacybrowser.dialogs.UrlHistory;
-import com.stoutner.privacybrowser.dialogs.ViewSslCertificate;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLEncoder;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-// We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
-public class MainWebView extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener,
- SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener, DownloadImage.DownloadImageListener, UrlHistory.UrlHistoryListener {
-
- // `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
- // It is also used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applySettings()`.
- public static ActionBar appBar;
-
- // `favoriteIcon` is public static so it can be accessed from `CreateHomeScreenShortcut`, `Bookmarks`, `CreateBookmark`, `CreateBookmarkFolder`, and `EditBookmark`.
- // It is also used in `onCreate()` and `onCreateHomeScreenShortcutCreate()`.
- public static Bitmap favoriteIcon;
-
- // `formattedUrlString` is public static so it can be accessed from `Bookmarks`.
- // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
- public static String formattedUrlString;
-
- // `sslCertificate` is public static so it can be accessed from `ViewSslCertificate`. It is also used in `onCreate()`.
- public static SslCertificate sslCertificate;
-
- // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
- public static String orbotStatus;
-
-
- // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
- private DrawerLayout drawerLayout;
-
- // `rootCoordinatorLayout` is used in `onCreate()` and `applySettings()`.
- private CoordinatorLayout rootCoordinatorLayout;
-
- // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`.
- private WebView mainWebView;
-
- // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
- private FrameLayout fullScreenVideoFrameLayout;
-
- // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
- private SwipeRefreshLayout swipeRefreshLayout;
-
- // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
- private CookieManager cookieManager;
-
- // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrlFromTextBox()`.
- private final Map<String, String> customHeaders = new HashMap<>();
-
- // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applySettings()`.
- // It is `Boolean` instead of `boolean` because `applySettings()` needs to know if it is `null`.
- private Boolean javaScriptEnabled;
-
- // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applySettings()`.
- private boolean firstPartyCookiesEnabled;
-
- // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
- private boolean thirdPartyCookiesEnabled;
-
- // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
- private boolean domStorageEnabled;
-
- // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
- private boolean saveFormDataEnabled;
-
- // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applySettings()`.
- private boolean swipeToRefreshEnabled;
-
- // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applySettings()`.
- private String homepage;
-
- // `javaScriptDisabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`.
- private String javaScriptDisabledSearchURL;
-
- // `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`.
- private String javaScriptEnabledSearchURL;
-
- // `adBlockerEnabled` is used in `onCreate()` and `applySettings()`.
- private boolean adBlockerEnabled;
-
- // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applySettings()`.
- private boolean fullScreenBrowsingModeEnabled;
-
- // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applySettings()`.
- private boolean inFullScreenBrowsingMode;
-
- // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applySettings()`.
- private boolean hideSystemBarsOnFullscreen;
-
- // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applySettings()`.
- private boolean translucentNavigationBarOnFullscreen;
-
- // `proxyThroughOrbot` is used in `onCreate()` and `applySettings()`
- private boolean proxyThroughOrbot;
-
- // `pendingUrl` is used in `onCreate()` and `applySettings()`
- private static String pendingUrl;
-
- // `waitingForOrbotData` is used in `onCreate()` and `applySettings()`.
- private String waitingForOrbotHTMLString;
-
- // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
- private LinearLayout findOnPageLinearLayout;
-
- // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
- private EditText findOnPageEditText;
-
- // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
- private Menu mainMenu;
-
- // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
- private ActionBarDrawerToggle drawerToggle;
-
- // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
- private Toolbar supportAppBar;
-
- // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, and `loadUrlFromTextBox()`.
- private EditText urlTextBox;
-
- // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
- private View adView;
-
- // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
- private SslErrorHandler sslErrorHandler;
-
- // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
- private InputMethodManager inputMethodManager;
-
- // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
- private RelativeLayout mainWebViewRelativeLayout;
-
- @Override
- // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers.
- @SuppressLint("SetJavaScriptEnabled")
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.drawerlayout);
-
- // Get a handle for `inputMethodManager`.
- inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
-
- // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
- supportAppBar = (Toolbar) findViewById(R.id.app_bar);
- setSupportActionBar(supportAppBar);
- appBar = getSupportActionBar();
-
- // This is needed to get rid of the Android Studio warning that `appBar` might be null.
- assert appBar != null;
-
- // Add the custom url_app_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar.
- appBar.setCustomView(R.layout.url_app_bar);
- appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
-
- // Set the "go" button on the keyboard to load the URL in urlTextBox.
- urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox);
- urlTextBox.setOnKeyListener(new View.OnKeyListener() {
- @Override
- public boolean onKey(View v, int keyCode, KeyEvent event) {
- // If the event is a key-down event on the `enter` button, load the URL.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
- // Load the URL into the mainWebView and consume the event.
- try {
- loadUrlFromTextBox();
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- }
- // If the enter key was pressed, consume the event.
- return true;
- } else {
- // If any other key was pressed, do not consume the event.
- return false;
- }
- }
- });
-
- // Set `waitingForOrbotHTMLString`.
- waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
-
- // Initialize `pendingUrl`.
- pendingUrl = "";
-
- // Set the initial Orbot status.
- orbotStatus = "unknown";
-
- // Create an Orbot status `BroadcastReceiver`.
- BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- // Store the content of the status message in `orbotStatus`.
- orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
-
- // If we are waiting on `pendingUrl`, load it now that Orbot is connected.
- if (orbotStatus.equals("ON") && !pendingUrl.isEmpty()) {
-
- // Wait 500 milliseconds, because Orbot isn't really ready yet.
- try {
- Thread.sleep(500);
- } catch (InterruptedException exception) {
- // Do nothing.
- }
-
- // Copy `pendingUrl` to `formattedUrlString` and reset `pendingUrl` to be empty.
- formattedUrlString = pendingUrl;
- pendingUrl = "";
-
- // Load `formattedUrlString
- mainWebView.loadUrl(formattedUrlString, customHeaders);
- }
- }
- };
-
- // Register `orbotStatusBroadcastReceiver` on `this` context.
- this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
-
- // Get handles for views that need to be accessed.
- drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
- rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
- mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
- mainWebView = (WebView) findViewById(R.id.mainWebView);
- findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
- findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
- fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
-
- // Create a double-tap listener to toggle full-screen mode.
- final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
- // Override `onDoubleTap()`. All other events are handled using the default settings.
- @Override
- public boolean onDoubleTap(MotionEvent event) {
- if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
- // Toggle `inFullScreenBrowsingMode`.
- inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
-
- if (inFullScreenBrowsingMode) { // Switch to full screen mode.
- // Hide the `appBar`.
- appBar.hide();
-
- // Hide the `BannerAd` in the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- BannerAd.hideAd(adView);
- }
-
- // Modify the system bars.
- if (hideSystemBarsOnFullscreen) { // Hide everything.
- // Remove the translucent overlays.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
- drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
-
- /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
- */
- rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
-
- // Set `rootCoordinatorLayout` to fill the whole screen.
- rootCoordinatorLayout.setFitsSystemWindows(false);
- } else { // Hide everything except the status and navigation bars.
- // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
- rootCoordinatorLayout.setFitsSystemWindows(false);
-
- if (translucentNavigationBarOnFullscreen) { // There is an Android Support Library bug that causes a scrim to print on the right side of the `Drawer Layout` when the navigation bar is displayed on the right of the screen.
- // Set the navigation bar to be translucent.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
- }
- }
- } else { // Switch to normal viewing mode.
- // Show the `appBar`.
- appBar.show();
-
- // Show the `BannerAd` in the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
- BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
-
- // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
- adView = findViewById(R.id.adView);
- }
-
- // Remove the translucent navigation bar flag if it is set.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
-
- // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
- rootCoordinatorLayout.setSystemUiVisibility(0);
-
- // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
- rootCoordinatorLayout.setFitsSystemWindows(true);
- }
-
- // Consume the double-tap.
- return true;
- } else { // Do not consume the double-tap because full screen browsing mode is disabled.
- return false;
- }
- }
- });
-
- // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
- mainWebView.setOnTouchListener(new View.OnTouchListener() {
- @Override
- public boolean onTouch(View v, MotionEvent event) {
- // Send the `event` to `gestureDetector`.
- return gestureDetector.onTouchEvent(event);
- }
- });
-
- // Update `findOnPageCountTextView`.
- mainWebView.setFindListener(new WebView.FindListener() {
- // Get a handle for `findOnPageCountTextView`.
- final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
-
- @Override
- public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
- if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
- // Set `findOnPageCountTextView` to `0/0`.
- findOnPageCountTextView.setText(R.string.zero_of_zero);
- } else if (isDoneCounting) { // There are matches.
- // `activeMatchOrdinal` is zero-based.
- int activeMatch = activeMatchOrdinal + 1;
-
- // Set `findOnPageCountTextView`.
- findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
- }
- }
- });
-
- // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
- findOnPageEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- // Search for the text in `mainWebView`.
- mainWebView.findAllAsync(findOnPageEditText.getText().toString());
- }
- });
-
- // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
- findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
- @Override
- public boolean onKey(View v, int keyCode, KeyEvent event) {
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
- // Hide the soft keyboard. `0` indicates no additional flags.
- inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
-
- // Consume the event.
- return true;
- } else { // A different key was pressed.
- // Do not consume the event.
- return false;
- }
- }
- });
-
- // Implement swipe to refresh
- swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout);
- swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
- swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
- @Override
- public void onRefresh() {
- mainWebView.reload();
- }
- });
-
- // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
- drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
-
- // Listen for touches on the navigation menu.
- final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
- navigationView.setNavigationItemSelectedListener(this);
-
- // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so items 1, 2, and 3 are the second, third, and fourth entries in the menu.
- final Menu navigationMenu = navigationView.getMenu();
- final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
- final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
- final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
-
- // The `DrawerListener` allows us to update the Navigation Menu.
- drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
- @Override
- public void onDrawerSlide(View drawerView, float slideOffset) {
- }
-
- @Override
- public void onDrawerOpened(View drawerView) {
- }
-
- @Override
- public void onDrawerClosed(View drawerView) {
- }
-
- @Override
- public void onDrawerStateChanged(int newState) {
- // Update the `Back`, `Forward`, and `History` menu items every time the drawer opens.
- navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
- navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
- navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
-
- // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
- inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
- }
- });
-
- // drawerToggle creates the hamburger icon at the start of the AppBar.
- drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
-
- // Initialize `adServerSet`.
- final Set<String> adServersSet = new HashSet<>();
-
- // Load the list of ad servers into memory.
- try {
- // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
- BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
-
- // Create a string for storing each ad server.
- String adServer;
-
- // Populate `adServersSet`.
- while ((adServer = bufferedReader.readLine()) != null) {
- adServersSet.add(adServer);
- }
-
- // Close `bufferedReader`.
- bufferedReader.close();
- } catch (IOException ioException) {
- // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
- }
-
- mainWebView.setWebViewClient(new WebViewClient() {
- // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
- // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
- @SuppressWarnings("deprecation")
- @Override
- public boolean shouldOverrideUrlLoading(WebView view, String url) {
- // Use an external email program if the link begins with `mailto:`.
- if (url.startsWith("mailto:")) {
- // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
- Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
-
- // Parse the url and set it as the data for the `Intent`.
- emailIntent.setData(Uri.parse(url));
-
- // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
- emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-
- // Make it so.
- startActivity(emailIntent);
- return true;
- } else { // Load the URL in Privacy Browser.
- mainWebView.loadUrl(url, customHeaders);
- return true;
- }
- }
-
- // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
- @SuppressWarnings("deprecation")
- @Override
- public WebResourceResponse shouldInterceptRequest(WebView view, String url){
- if (adBlockerEnabled) { // Block ads.
- // Extract the host from `url`.
- Uri requestUri = Uri.parse(url);
- String requestHost = requestUri.getHost();
-
- // Create a variable to track if this is an ad server.
- boolean requestHostIsAdServer = false;
-
- // Check all the subdomains of `requestHost` if it is not `null`.
- if (requestHost != null) {
- while (requestHost.contains(".")) {
- if (adServersSet.contains(requestHost)) {
- requestHostIsAdServer = true;
- }
-
- // Strip out the lowest subdomain of `requestHost`.
- requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
- }
- }
-
- if (requestHostIsAdServer) { // It is an ad server.
- // Return an empty `WebResourceResponse`.
- return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
- } else { // It is not an ad server.
- // `return null` loads the requested resource.
- return null;
- }
- } else { // Ad blocking is disabled.
- // `return null` loads the requested resource.
- return null;
- }
- }
-
- // Update the URL in urlTextBox when the page starts to load.
- @Override
- public void onPageStarted(WebView view, String url, Bitmap favicon) {
- // Check to see if we are waiting on Orbot.
- if (pendingUrl.isEmpty()) { // We are not waiting on Orbot, so we need to process the URL.
- // We need to update `formattedUrlString` at the beginning of the load, so that if the user toggles JavaScript during the load the new website is reloaded.
- formattedUrlString = url;
-
- // Display the loading URL is the URL text box.
- urlTextBox.setText(url);
- }
- }
-
- // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
- @Override
- public void onPageFinished(WebView view, String url) {
- // Check to see if we are waiting on Orbot.
- if (pendingUrl.isEmpty()) { // we are not waiting on Orbot, so we need to process the URL.
- formattedUrlString = url;
-
- // Only update urlTextBox if the user is not typing in it.
- if (!urlTextBox.hasFocus()) {
- urlTextBox.setText(formattedUrlString);
- }
-
- // Store the SSL certificate so it can be accessed from `ViewSslCertificate`.
- sslCertificate = mainWebView.getCertificate();
- }
- }
-
- // Handle SSL Certificate errors.
- @Override
- public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
- // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
- sslErrorHandler = handler;
-
- // Display the SSL error `AlertDialog`.
- AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateError.displayDialog(error);
- sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
- }
- });
-
- mainWebView.setWebChromeClient(new WebChromeClient() {
- // Update the progress bar when a page is loading.
- @Override
- public void onProgressChanged(WebView view, int progress) {
- ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar);
- progressBar.setProgress(progress);
- if (progress < 100) {
- progressBar.setVisibility(View.VISIBLE);
- } else {
- progressBar.setVisibility(View.GONE);
-
- //Stop the `SwipeToRefresh` indicator if it is running
- swipeRefreshLayout.setRefreshing(false);
- }
- }
-
- // Set the favorite icon when it changes.
- @Override
- public void onReceivedIcon(WebView view, Bitmap icon) {
- // Save a copy of the favorite icon for use if a shortcut is added to the home screen.
- favoriteIcon = icon;
-
- // Place the favorite icon in the appBar.
- ImageView imageViewFavoriteIcon = (ImageView) appBar.getCustomView().findViewById(R.id.favoriteIcon);
- imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
- }
-
- // Enter full screen video
- @Override
- public void onShowCustomView(View view, CustomViewCallback callback) {
- // Pause the ad if this is the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- BannerAd.pauseAd(adView);
- }
-
- // Remove the translucent overlays.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
- drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
-
- /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
- */
- rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
-
- // Set `rootCoordinatorLayout` to fill the entire screen.
- rootCoordinatorLayout.setFitsSystemWindows(false);
-
- // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
- fullScreenVideoFrameLayout.addView(view);
- fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
- }
-
- // Exit full screen video
- public void onHideCustomView() {
- // Hide `fullScreenVideoFrameLayout`.
- fullScreenVideoFrameLayout.removeAllViews();
- fullScreenVideoFrameLayout.setVisibility(View.GONE);
-
- // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
- rootCoordinatorLayout.setFitsSystemWindows(true);
-
- // Show the ad if this is the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
- BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
-
- // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
- adView = findViewById(R.id.adView);
- }
- }
- });
-
- // Register `mainWebView` for a context menu. This is used to see link targets and download images.
- registerForContextMenu(mainWebView);
-
- // Allow the downloading of files.
- mainWebView.setDownloadListener(new DownloadListener() {
- @Override
- public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
- // Show the `DownloadFile` `AlertDialog` and name this instance `@string/download`.
- AppCompatDialogFragment downloadFileDialogFragment = DownloadFile.fromUrl(url, contentDisposition, contentLength);
- downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
- }
- });
-
- // Allow pinch to zoom.
- mainWebView.getSettings().setBuiltInZoomControls(true);
-
- // Hide zoom controls.
- mainWebView.getSettings().setDisplayZoomControls(false);
-
- // Initialize cookieManager.
- cookieManager = CookieManager.getInstance();
-
- // Replace the header that `WebView` creates for `X-Requested-With` with a null value. The default value is the application ID (com.stoutner.privacybrowser.standard).
- customHeaders.put("X-Requested-With", "");
-
- // Initialize the default preference values the first time the program is run. `this` is the context. `false` keeps this command from resetting any current preferences back to default.
- PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
-
- // Get the intent information that started the app.
- final Intent intent = getIntent();
-
- if (intent.getData() != null) {
- // Get the intent data and convert it to a string.
- final Uri intentUriData = intent.getData();
- formattedUrlString = intentUriData.toString();
- }
-
- // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
- inFullScreenBrowsingMode = false;
-
- // Initialize AdView for the free flavor.
- adView = findViewById(R.id.adView);
-
- // Apply the settings from the shared preferences.
- applySettings();
-
- // Load `formattedUrlString` if we are not proxying through Orbot and waiting for Orbot to connect.
- if (!(proxyThroughOrbot && !orbotStatus.equals("ON"))) {
- mainWebView.loadUrl(formattedUrlString, customHeaders);
- }
-
- // If the favorite icon is null, load the default.
- if (favoriteIcon == null) {
- // We have to use `ContextCompat` until API >= 21.
- Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
- BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
- favoriteIcon = favoriteIconBitmapDrawable.getBitmap();
- }
- }
-
-
- @Override
- protected void onNewIntent(Intent intent) {
- // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
- setIntent(intent);
-
- if (intent.getData() != null) {
- // Get the intent data and convert it to a string.
- final Uri intentUriData = intent.getData();
- formattedUrlString = intentUriData.toString();
- }
-
- // Close the navigation drawer if it is open.
- if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
- drawerLayout.closeDrawer(GravityCompat.START);
- }
-
- // Load the website.
- mainWebView.loadUrl(formattedUrlString, customHeaders);
-
- // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
- mainWebView.requestFocus();
- }
-
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Inflate the menu; this adds items to the action bar if it is present.
- getMenuInflater().inflate(R.menu.webview_options_menu, menu);
-
- // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
- mainMenu = menu;
-
- // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(false);
-
- // Get handles for the menu items.
- MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
- MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
- MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
- MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
-
- // Only display third-Party Cookies if SDK >= 21
- toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
-
- // Get the shared preference values. `this` references the current context.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
-
- // Set the status of the additional app bar icons. The default is `false`.
- if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
- toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
- toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
- toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
- } else { //Do not display the additional icons.
- toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
- toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
- toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
- }
-
- return true;
- }
-
- @Override
- public boolean onPrepareOptionsMenu(Menu menu) {
- // Get handles for the menu items.
- MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
- MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
- MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
- MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
- MenuItem clearCookies = menu.findItem(R.id.clearCookies);
- MenuItem clearFormData = menu.findItem(R.id.clearFormData);
- MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
-
- // Set the status of the menu item checkboxes.
- toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
- toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
- toggleDomStorage.setChecked(domStorageEnabled);
- toggleSaveFormData.setChecked(saveFormDataEnabled);
-
- // Enable third-party cookies if first-party cookies are enabled.
- toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
-
- // Enable DOM Storage if JavaScript is enabled.
- toggleDomStorage.setEnabled(javaScriptEnabled);
-
- // Enable Clear Cookies if there are any.
- clearCookies.setEnabled(cookieManager.hasCookies());
-
- // Enable Clear Form Data is there is any.
- WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
- clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
-
- // Only show `Refresh` if `swipeToRefresh` is disabled.
- refreshMenuItem.setVisible(!swipeToRefreshEnabled);
-
- // Initialize font size variables.
- int fontSize = mainWebView.getSettings().getTextZoom();
- String fontSizeTitle;
- MenuItem selectedFontSizeMenuItem;
-
- // Prepare the font size title and current size menu item.
- switch (fontSize) {
- case 50:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
- break;
-
- case 75:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
- break;
-
- case 100:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
- break;
-
- case 125:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
- break;
-
- case 150:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
- break;
-
- case 175:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
- break;
-
- case 200:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
- break;
-
- default:
- fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
- selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
- break;
- }
-
- // Set the font size title and select the current size menu item.
- MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
- fontSizeMenuItem.setTitle(fontSizeTitle);
- selectedFontSizeMenuItem.setChecked(true);
-
- // Run all the other default commands.
- super.onPrepareOptionsMenu(menu);
-
- // `return true` displays the menu.
- return true;
- }
-
- @Override
- // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
- @SuppressLint("SetJavaScriptEnabled")
- // removeAllCookies is deprecated, but it is required for API < 21.
- @SuppressWarnings("deprecation")
- public boolean onOptionsItemSelected(MenuItem menuItem) {
- int menuItemId = menuItem.getItemId();
-
- // Set the commands that relate to the menu entries.
- switch (menuItemId) {
- case R.id.toggleJavaScript:
- // Switch the status of javaScriptEnabled.
- javaScriptEnabled = !javaScriptEnabled;
-
- // Apply the new JavaScript status.
- mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
-
- // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(true);
-
- // Display a `Snackbar`.
- if (javaScriptEnabled) { // JavaScrip is enabled.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
- } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
- } else { // Privacy mode.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
- }
-
- // Reload the WebView.
- mainWebView.reload();
- return true;
-
- case R.id.toggleFirstPartyCookies:
- // Switch the status of firstPartyCookiesEnabled.
- firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
-
- // Update the menu checkbox.
- menuItem.setChecked(firstPartyCookiesEnabled);
-
- // Apply the new cookie status.
- cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
-
- // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(true);
-
- // Display a `Snackbar`.
- if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
- } else if (javaScriptEnabled){ // JavaScript is still enabled.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
- } else { // Privacy mode.
- Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
- }
-
- // Reload the WebView.
- mainWebView.reload();
- return true;
-
- case R.id.toggleThirdPartyCookies:
- if (Build.VERSION.SDK_INT >= 21) {
- // Switch the status of thirdPartyCookiesEnabled.
- thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
-
- // Update the menu checkbox.
- menuItem.setChecked(thirdPartyCookiesEnabled);
-
- // Apply the new cookie status.
- cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
-
- // Display a `Snackbar`.
- if (thirdPartyCookiesEnabled) {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
- } else {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
- }
-
- // Reload the WebView.
- mainWebView.reload();
- } // Else do nothing because SDK < 21.
- return true;
-
- case R.id.toggleDomStorage:
- // Switch the status of domStorageEnabled.
- domStorageEnabled = !domStorageEnabled;
-
- // Update the menu checkbox.
- menuItem.setChecked(domStorageEnabled);
-
- // Apply the new DOM Storage status.
- mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
-
- // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(true);
-
- // Display a `Snackbar`.
- if (domStorageEnabled) {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
- } else {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
- }
-
- // Reload the WebView.
- mainWebView.reload();
- return true;
-
- case R.id.toggleSaveFormData:
- // Switch the status of saveFormDataEnabled.
- saveFormDataEnabled = !saveFormDataEnabled;
-
- // Update the menu checkbox.
- menuItem.setChecked(saveFormDataEnabled);
-
- // Apply the new form data status.
- mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
-
- // Display a `Snackbar`.
- if (saveFormDataEnabled) {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
- } else {
- Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
- }
-
- // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(true);
-
- // Reload the WebView.
- mainWebView.reload();
- return true;
-
- case R.id.clearCookies:
- if (Build.VERSION.SDK_INT < 21) {
- cookieManager.removeAllCookie();
- } else {
- cookieManager.removeAllCookies(null);
- }
- Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
- return true;
-
- case R.id.clearDomStorage:
- WebStorage webStorage = WebStorage.getInstance();
- webStorage.deleteAllData();
- Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
- return true;
-
- case R.id.clearFormData:
- WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
- mainWebViewDatabase.clearFormData();
- Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
- return true;
-
- case R.id.fontSizeFiftyPercent:
- mainWebView.getSettings().setTextZoom(50);
- return true;
-
- case R.id.fontSizeSeventyFivePercent:
- mainWebView.getSettings().setTextZoom(75);
- return true;
-
- case R.id.fontSizeOneHundredPercent:
- mainWebView.getSettings().setTextZoom(100);
- return true;
-
- case R.id.fontSizeOneHundredTwentyFivePercent:
- mainWebView.getSettings().setTextZoom(125);
- return true;
-
- case R.id.fontSizeOneHundredFiftyPercent:
- mainWebView.getSettings().setTextZoom(150);
- return true;
-
- case R.id.fontSizeOneHundredSeventyFivePercent:
- mainWebView.getSettings().setTextZoom(175);
- return true;
-
- case R.id.fontSizeTwoHundredPercent:
- mainWebView.getSettings().setTextZoom(200);
- return true;
-
- case R.id.find_on_page:
- // Hide the URL app bar.
- supportAppBar.setVisibility(View.GONE);
-
- // Show the Find on Page `RelativeLayout`.
- findOnPageLinearLayout.setVisibility(View.VISIBLE);
-
- // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
- // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
- findOnPageEditText.postDelayed(new Runnable()
- {
- @Override
- public void run()
- {
- // Set the focus on `findOnPageEditText`.
- findOnPageEditText.requestFocus();
-
- // Display the keyboard.
- inputMethodManager.showSoftInput(findOnPageEditText, 0);
- }
- }, 200);
- return true;
-
- case R.id.share:
- Intent shareIntent = new Intent();
- shareIntent.setAction(Intent.ACTION_SEND);
- shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
- shareIntent.setType("text/plain");
- startActivity(Intent.createChooser(shareIntent, "Share URL"));
- return true;
-
- case R.id.addToHomescreen:
- // Show the `CreateHomeScreenShortcut` `AlertDialog` and name this instance `R.string.create_shortcut`.
- AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcut();
- createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
-
- //Everything else will be handled by `CreateHomeScreenShortcut` and the associated listener below.
- return true;
-
- case R.id.print:
- // Get a `PrintManager` instance.
- PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
-
- // Convert `mainWebView` to `printDocumentAdapter`.
- PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
-
- // Print the document. The print attributes are `null`.
- printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
- return true;
-
- case R.id.refresh:
- mainWebView.reload();
- return true;
-
- default:
- // Don't consume the event.
- return super.onOptionsItemSelected(menuItem);
- }
- }
-
- // removeAllCookies is deprecated, but it is required for API < 21.
- @SuppressWarnings("deprecation")
- @Override
- public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
- int menuItemId = menuItem.getItemId();
-
- switch (menuItemId) {
- case R.id.home:
- mainWebView.loadUrl(homepage, customHeaders);
- break;
-
- case R.id.back:
- if (mainWebView.canGoBack()) {
- mainWebView.goBack();
- }
- break;
-
- case R.id.forward:
- if (mainWebView.canGoForward()) {
- mainWebView.goForward();
- }
- break;
-
- case R.id.history:
- // Gte the `WebBackForwardList`.
- WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
-
- // Show the `UrlHistory` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
- AppCompatDialogFragment urlHistoryDialogFragment = UrlHistory.loadBackForwardList(this, webBackForwardList);
- urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
- break;
-
- case R.id.bookmarks:
- // Launch Bookmarks.
- Intent bookmarksIntent = new Intent(this, Bookmarks.class);
- startActivity(bookmarksIntent);
- break;
-
- case R.id.downloads:
- // Launch the system Download Manager.
- Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
-
- // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
- downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-
- startActivity(downloadManagerIntent);
- break;
-
- case R.id.settings:
- // Launch `Settings`.
- Intent settingsIntent = new Intent(this, Settings.class);
- startActivity(settingsIntent);
- break;
-
- case R.id.domains:
- // Launch `DomainsList`.
- Intent domainsIntent = new Intent(this, DomainsList.class);
- startActivity(domainsIntent);
- break;
-
- case R.id.guide:
- // Launch `Guide`.
- Intent guideIntent = new Intent(this, Guide.class);
- startActivity(guideIntent);
- break;
-
- case R.id.about:
- // Launch `About`.
- Intent aboutIntent = new Intent(this, About.class);
- startActivity(aboutIntent);
- break;
-
- case R.id.clearAndExit:
- // Clear cookies. The commands changed slightly in API 21.
- if (Build.VERSION.SDK_INT >= 21) {
- cookieManager.removeAllCookies(null);
- } else {
- cookieManager.removeAllCookie();
- }
-
- // Clear DOM storage.
- WebStorage domStorage = WebStorage.getInstance();
- domStorage.deleteAllData();
-
- // Clear form data.
- WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
- webViewDatabase.clearFormData();
-
- // Clear cache. The argument of "true" includes disk files.
- mainWebView.clearCache(true);
-
- // Clear the back/forward history.
- mainWebView.clearHistory();
-
- // Clear any SSL certificate preferences.
- mainWebView.clearSslPreferences();
-
- // Clear `formattedUrlString`.
- formattedUrlString = null;
-
- // Clear `customHeaders`.
- customHeaders.clear();
-
- // Detach all views from `mainWebViewRelativeLayout`.
- mainWebViewRelativeLayout.removeAllViews();
-
- // Destroy the internal state of `mainWebView`.
- mainWebView.destroy();
-
- // Manually delete the `app_webview` folder, which contains an additional `WebView` cache. See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
- Runtime runtime = Runtime.getRuntime();
- String dataDirString = getApplicationInfo().dataDir; // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`.
- try {
- runtime.exec("rm -rf " + dataDirString + "/app_webview");
- } catch (IOException e) {
- // Do nothing if the files do not exist.
- }
-
- // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
- if (Build.VERSION.SDK_INT >= 21) {
- finishAndRemoveTask();
- } else {
- finish();
- }
-
- // Remove the terminated program from RAM. The status code is `0`.
- System.exit(0);
- break;
-
- default:
- break;
- }
-
- // Close the navigation drawer.
- drawerLayout.closeDrawer(GravityCompat.START);
- return true;
- }
-
- @Override
- public void onPostCreate(Bundle savedInstanceState) {
- super.onPostCreate(savedInstanceState);
-
- // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
- drawerToggle.syncState();
- }
-
- @Override
- public void onConfigurationChanged(Configuration newConfig) {
- super.onConfigurationChanged(newConfig);
-
- // Reload the ad for the free flavor if we are not in full screen mode.
- if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
- // Reload the ad.
- BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
-
- // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
- adView = findViewById(R.id.adView);
- }
-
- // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: https://code.google.com/p/android/issues/detail?id=20493#c8
- // ActivityCompat.invalidateOptionsMenu(this);
- }
-
- @Override
- public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
- // Store the `HitTestResult`.
- final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
-
- // Create strings.
- final String imageUrl;
- final String linkUrl;
-
- // Get a handle for the `ClipboardManager`.
- final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
-
- switch (hitTestResult.getType()) {
- // `SRC_ANCHOR_TYPE` is a link.
- case WebView.HitTestResult.SRC_ANCHOR_TYPE:
- // Get the target URL.
- linkUrl = hitTestResult.getExtra();
-
- // Set the target URL as the title of the `ContextMenu`.
- menu.setHeaderTitle(linkUrl);
-
- // Add a `Load URL` entry.
- menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- mainWebView.loadUrl(linkUrl, customHeaders);
- return false;
- }
- });
-
- // Add a `Copy URL` entry.
- menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Save the link URL in a `ClipData`.
- ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
-
- // Set the `ClipData` as the clipboard's primary clip.
- clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
- return false;
- }
- });
-
- // Add a `Cancel` entry, which by default closes the `ContextMenu`.
- menu.add(R.string.cancel);
- break;
-
- case WebView.HitTestResult.EMAIL_TYPE:
- // Get the target URL.
- linkUrl = hitTestResult.getExtra();
-
- // Set the target URL as the title of the `ContextMenu`.
- menu.setHeaderTitle(linkUrl);
-
- // Add a `Write Email` entry.
- menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
- Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
-
- // Parse the url and set it as the data for the `Intent`.
- emailIntent.setData(Uri.parse("mailto:" + linkUrl));
-
- // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
- emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-
- // Make it so.
- startActivity(emailIntent);
- return false;
- }
- });
-
- // Add a `Copy Email Address` entry.
- menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Save the email address in a `ClipData`.
- ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
-
- // Set the `ClipData` as the clipboard's primary clip.
- clipboardManager.setPrimaryClip(srcEmailTypeClipData);
- return false;
- }
- });
-
- // Add a `Cancel` entry, which by default closes the `ContextMenu`.
- menu.add(R.string.cancel);
- break;
-
- // `IMAGE_TYPE` is an image.
- case WebView.HitTestResult.IMAGE_TYPE:
- // Get the image URL.
- imageUrl = hitTestResult.getExtra();
-
- // Set the image URL as the title of the `ContextMenu`.
- menu.setHeaderTitle(imageUrl);
-
- // Add a `View Image` entry.
- menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- mainWebView.loadUrl(imageUrl, customHeaders);
- return false;
- }
- });
-
- // Add a `Download Image` entry.
- menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Show the `DownloadImage` `AlertDialog` and name this instance `@string/download`.
- AppCompatDialogFragment downloadImageDialogFragment = DownloadImage.imageUrl(imageUrl);
- downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
- return false;
- }
- });
-
- // Add a `Copy URL` entry.
- menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Save the image URL in a `ClipData`.
- ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
-
- // Set the `ClipData` as the clipboard's primary clip.
- clipboardManager.setPrimaryClip(srcImageTypeClipData);
- return false;
- }
- });
-
- // Add a `Cancel` entry, which by default closes the `ContextMenu`.
- menu.add(R.string.cancel);
- break;
-
-
- // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
- case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
- // Get the image URL.
- imageUrl = hitTestResult.getExtra();
-
- // Set the image URL as the title of the `ContextMenu`.
- menu.setHeaderTitle(imageUrl);
-
- // Add a `View Image` entry.
- menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- mainWebView.loadUrl(imageUrl, customHeaders);
- return false;
- }
- });
-
- // Add a `Download Image` entry.
- menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Show the `DownloadImage` `AlertDialog` and name this instance `@string/download`.
- AppCompatDialogFragment downloadImageDialogFragment = DownloadImage.imageUrl(imageUrl);
- downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
- return false;
- }
- });
-
- // Add a `Copy URL` entry.
- menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
- @Override
- public boolean onMenuItemClick(MenuItem item) {
- // Save the image URL in a `ClipData`.
- ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
-
- // Set the `ClipData` as the clipboard's primary clip.
- clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
- return false;
- }
- });
-
- // Add a `Cancel` entry, which by default closes the `ContextMenu`.
- menu.add(R.string.cancel);
- break;
- }
- }
-
- @Override
- public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
- // Get shortcutNameEditText from the alert dialog.
- EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
-
- // Create the bookmark shortcut based on formattedUrlString.
- Intent bookmarkShortcut = new Intent();
- bookmarkShortcut.setAction(Intent.ACTION_VIEW);
- bookmarkShortcut.setData(Uri.parse(formattedUrlString));
-
- // Place the bookmark shortcut on the home screen.
- Intent placeBookmarkShortcut = new Intent();
- placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
- placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
- placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIcon);
- placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
- sendBroadcast(placeBookmarkShortcut);
- }
-
- @Override
- public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
- // Download the image if it has an HTTP or HTTPS URI.
- if (imageUrl.startsWith("http")) {
- // Get a handle for the system `DOWNLOAD_SERVICE`.
- DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
-
- // Parse `imageUrl`.
- DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
-
- // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
- if (firstPartyCookiesEnabled) {
- // Get the cookies for `imageUrl`.
- String cookies = cookieManager.getCookie(imageUrl);
-
- // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
- downloadRequest.addRequestHeader("Cookie", cookies);
- }
-
- // Get the file name from `dialogFragment`.
- EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
- String imageName = downloadImageNameEditText.getText().toString();
-
- // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
- if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
- downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
- } else { // Only set the title using `imageName`.
- downloadRequest.setTitle(imageName);
- }
-
- // Allow `MediaScanner` to index the download if it is a media file.
- downloadRequest.allowScanningByMediaScanner();
-
- // Add the URL as the description for the download.
- downloadRequest.setDescription(imageUrl);
-
- // Show the download notification after the download is completed.
- downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
- // Initiate the download.
- downloadManager.enqueue(downloadRequest);
- } else { // The image is not an HTTP or HTTPS URI.
- Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- @Override
- public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
- // Download the file if it has an HTTP or HTTPS URI.
- if (downloadUrl.startsWith("http")) {
-
- // Get a handle for the system `DOWNLOAD_SERVICE`.
- DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
-
- // Parse `downloadUrl`.
- DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
-
- // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
- if (firstPartyCookiesEnabled) {
- // Get the cookies for `downloadUrl`.
- String cookies = cookieManager.getCookie(downloadUrl);
-
- // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
- downloadRequest.addRequestHeader("Cookie", cookies);
- }
-
- // Get the file name from `dialogFragment`.
- EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
- String fileName = downloadFileNameEditText.getText().toString();
-
- // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
- if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
- downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
- } else { // Only set the title using `fileName`.
- downloadRequest.setTitle(fileName);
- }
-
- // Allow `MediaScanner` to index the download if it is a media file.
- downloadRequest.allowScanningByMediaScanner();
-
- // Add the URL as the description for the download.
- downloadRequest.setDescription(downloadUrl);
-
- // Show the download notification after the download is completed.
- downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
- // Initiate the download.
- downloadManager.enqueue(downloadRequest);
- } else { // The download is not an HTTP or HTTPS URI.
- Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- public void viewSslCertificate(View view) {
- // Show the `ViewSslCertificate` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
- DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificate();
- viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
- }
-
- @Override
- public void onSslErrorCancel() {
- sslErrorHandler.cancel();
- }
-
- @Override
- public void onSslErrorProceed() {
- sslErrorHandler.proceed();
- }
-
- @Override
- public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
- // Load the history entry.
- mainWebView.goBackOrForward(moveBackOrForwardSteps);
- }
-
- @Override
- public void onClearHistory() {
- // Clear the history.
- mainWebView.clearHistory();
- }
-
- // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
- @Override
- public void onBackPressed() {
- // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
- if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
- drawerLayout.closeDrawer(GravityCompat.START);
- } else {
- // Load the previous URL if available.
- if (mainWebView.canGoBack()) {
- mainWebView.goBack();
- } else {
- // Pass `onBackPressed()` to the system.
- super.onBackPressed();
- }
- }
- }
-
- @Override
- public void onPause() {
- // Pause `mainWebView`.
- mainWebView.onPause();
-
- // Stop all JavaScript.
- mainWebView.pauseTimers();
-
- // Pause the adView or it will continue to consume resources in the background on the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- BannerAd.pauseAd(adView);
- }
-
- super.onPause();
- }
-
- @Override
- public void onResume() {
- super.onResume();
-
- // Resume JavaScript (if enabled).
- mainWebView.resumeTimers();
-
- // Resume `mainWebView`.
- mainWebView.onResume();
-
- // Resume the adView for the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- BannerAd.resumeAd(adView);
- }
- }
-
- @Override
- public void onRestart() {
- super.onRestart();
-
- // Apply the settings from shared preferences, which might have been changed in `Settings`.
- applySettings();
-
- // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
- updatePrivacyIcons(true);
-
- }
-
- private void loadUrlFromTextBox() throws UnsupportedEncodingException {
- // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
- String unformattedUrlString = urlTextBox.getText().toString().trim();
-
- URL unformattedUrl = null;
- Uri.Builder formattedUri = new Uri.Builder();
-
- // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
- if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
- // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
- if (!unformattedUrlString.startsWith("http")) {
- unformattedUrlString = "http://" + unformattedUrlString;
- }
-
- // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components.
- try {
- unformattedUrl = new URL(unformattedUrlString);
- } catch (MalformedURLException e) {
- e.printStackTrace();
- }
-
- // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value.
- final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
- final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
- final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
- final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
- final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
-
- formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
- formattedUrlString = formattedUri.build().toString();
- } else {
- // Sanitize the search input and convert it to a DuckDuckGo search.
- final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
-
- // Use the correct search URL.
- if (javaScriptEnabled) { // JavaScript is enabled.
- formattedUrlString = javaScriptEnabledSearchURL + encodedUrlString;
- } else { // JavaScript is disabled.
- formattedUrlString = javaScriptDisabledSearchURL + encodedUrlString;
- }
- }
-
- mainWebView.loadUrl(formattedUrlString, customHeaders);
-
- // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
- inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
- }
-
- public void findPreviousOnPage(View view) {
- // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
- mainWebView.findNext(false);
- }
-
- public void findNextOnPage(View view) {
- // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
- mainWebView.findNext(true);
- }
-
- public void closeFindOnPage(View view) {
- // Delete the contents of `find_on_page_edittext`.
- findOnPageEditText.setText(null);
-
- // Clear the highlighted phrases.
- mainWebView.clearMatches();
-
- // Hide the Find on Page `RelativeLayout`.
- findOnPageLinearLayout.setVisibility(View.GONE);
-
- // Show the URL app bar.
- supportAppBar.setVisibility(View.VISIBLE);
-
- // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
- inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
- }
-
- private void applySettings() {
- // Get the shared preference values. `this` references the current context.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
-
- // Store the values from `sharedPreferences` in variables.
- String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
- String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
- String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
- String javaScriptDisabledSearchCustomURLString = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
- String javaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
- String javaScriptEnabledSearchCustomURLString = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
- String homepageString = sharedPreferences.getString("homepage", "https://www.duckduckgo.com");
- String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
- String torJavaScriptDisabledSearchString = sharedPreferences.getString("tor_javascript_disabled_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
- String torJavaScriptDisabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_disabled_search_custom_url", "");
- String torJavaScriptEnabledSearchString = sharedPreferences.getString("tor_javascript_enabled_search", "https://3g2upl4pq6kufc4m.onion/?q=");
- String torJavaScriptEnabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_enabled_search_custom_url", "");
- String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
- swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false);
- adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
- boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
- proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
- fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
- hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
- translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
-
- // Because they can be modified on-the-fly by the user, these default settings are only applied when the program first runs.
- if (javaScriptEnabled == null) { // If `javaScriptEnabled` is null the program is just starting.
- // Get the values from `sharedPreferences`.
- javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
- firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
- thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
- domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
- saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
-
- // Apply the default settings.
- mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
- cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
- mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
- mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
- mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
-
- // Set third-party cookies status if API >= 21.
- if (Build.VERSION.SDK_INT >= 21) {
- cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
- }
- }
-
- // Set the homepage, search, and proxy options.
- if (proxyThroughOrbot) { // Set the Tor options.
- // Set `torHomepageString` as `homepage`.
- homepage = torHomepageString;
-
- // If formattedUrlString is null assign the homepage to it.
- if (formattedUrlString == null) {
- formattedUrlString = homepage;
- }
-
- // Set JavaScript disabled search.
- if (torJavaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
- javaScriptDisabledSearchURL = torJavaScriptDisabledSearchCustomURLString;
- } else { // Use the string from the pre-built list.
- javaScriptDisabledSearchURL = torJavaScriptDisabledSearchString;
- }
-
- // Set JavaScript enabled search.
- if (torJavaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
- javaScriptEnabledSearchURL = torJavaScriptEnabledSearchCustomURLString;
- } else { // Use the string from the pre-built list.
- javaScriptEnabledSearchURL = torJavaScriptEnabledSearchString;
- }
-
- // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
- OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
-
- // Display a message to the user if we are waiting on Orbot.
- if (!orbotStatus.equals("ON")) {
- // Save `formattedUrlString` in `pendingUrl`.
- pendingUrl = formattedUrlString;
-
- // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
- mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
- }
- } else { // Set the non-Tor options.
- // Set `homepageString` as `homepage`.
- homepage = homepageString;
-
- // If formattedUrlString is null assign the homepage to it.
- if (formattedUrlString == null) {
- formattedUrlString = homepage;
- }
-
- // Set JavaScript disabled search.
- if (javaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
- javaScriptDisabledSearchURL = javaScriptDisabledSearchCustomURLString;
- } else { // Use the string from the pre-built list.
- javaScriptDisabledSearchURL = javaScriptDisabledSearchString;
- }
-
- // Set JavaScript enabled search.
- if (javaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
- javaScriptEnabledSearchURL = javaScriptEnabledSearchCustomURLString;
- } else { // Use the string from the pre-built list.
- javaScriptEnabledSearchURL = javaScriptEnabledSearchString;
- }
-
- // Reset the proxy to default. The host is `""` and the port is `"0"`.
- OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
-
- // Reset `pendingUrl` if we are currently waiting for Orbot to connect.
- if (!pendingUrl.isEmpty()) {
- formattedUrlString = pendingUrl;
- pendingUrl = "";
- }
- }
-
- // Set swipe to refresh.
- swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
-
- // Set the user agent initial status.
- switch (userAgentString) {
- case "Default user agent":
- // Set the user agent to `""`, which uses the default value.
- mainWebView.getSettings().setUserAgentString("");
- break;
-
- case "Custom user agent":
- // Set the custom user agent.
- mainWebView.getSettings().setUserAgentString(customUserAgentString);
- break;
-
- default:
- // Use the selected user agent.
- mainWebView.getSettings().setUserAgentString(userAgentString);
- break;
- }
-
- // Set Do Not Track status.
- if (doNotTrackEnabled) {
- customHeaders.put("DNT", "1");
- } else {
- customHeaders.remove("DNT");
- }
-
- // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
- if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
- if (hideSystemBarsOnFullscreen) { // Hide everything.
- // Remove the translucent navigation setting if it is currently flagged.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
-
- // Remove the translucent status bar overlay.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
- drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
-
- /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
- */
- rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
- } else { // Hide everything except the status and navigation bars.
- // Add the translucent status flag if it is unset.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- if (translucentNavigationBarOnFullscreen) {
- // Set the navigation bar to be translucent.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
- } else {
- // Set the navigation bar to be black.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
- }
- }
- } else { // Switch to normal viewing mode.
- // Reset `inFullScreenBrowsingMode` to `false`.
- inFullScreenBrowsingMode = false;
-
- // Show the `appBar`.
- appBar.show();
-
- // Show the `BannerAd` in the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
- BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
-
- // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
- adView = findViewById(R.id.adView);
- }
-
- // Remove the translucent navigation bar flag if it is set.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
-
- // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
- rootCoordinatorLayout.setSystemUiVisibility(0);
-
- // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
- rootCoordinatorLayout.setFitsSystemWindows(true);
- }
- }
-
- private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
- // Get handles for the icons.
- MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
- MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
- MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
- MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
-
- // Update `privacyIcon`.
- if (javaScriptEnabled) { // JavaScript is enabled.
- privacyIcon.setIcon(R.drawable.javascript_enabled);
- } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
- privacyIcon.setIcon(R.drawable.warning);
- } else { // All the dangerous features are disabled.
- privacyIcon.setIcon(R.drawable.privacy_mode);
- }
-
- // Update `firstPartyCookiesIcon`.
- if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
- firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
- } else { // First-party cookies are disabled.
- firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
- }
-
- // Update `domStorageIcon`.
- if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
- domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
- } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
- domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
- } else { // JavaScript is disabled, so DOM storage is ghosted.
- domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
- }
-
- // Update `formDataIcon`.
- if (saveFormDataEnabled) { // Form data is enabled.
- formDataIcon.setIcon(R.drawable.form_data_enabled);
- } else { // Form data is disabled.
- formDataIcon.setIcon(R.drawable.form_data_disabled);
- }
-
- // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
- if (runInvalidateOptionsMenu) {
- ActivityCompat.invalidateOptionsMenu(this);
- }
- }
-}