package com.stoutner.privacybrowser;
import android.annotation.SuppressLint;
-import android.app.Activity;
import android.app.DialogFragment;
import android.app.DownloadManager;
+import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
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.NavigationView;
import android.support.design.widget.Snackbar;
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.KeyEvent;
import android.view.Menu;
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 java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener {
// `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
- // It is also used in `onCreate()`.
+ // It is also used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
public static ActionBar appBar;
// `favoriteIcon` is public static so it can be accessed from `CreateHomeScreenShortcut`, `BookmarksActivity`, `CreateBookmark`, `CreateBookmarkFolder`, and `EditBookmark`.
public static SslCertificate sslCertificate;
- // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, and `loadUrlFromTextBox()`.
+ // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage`, and `loadUrlFromTextBox()`.
private WebView mainWebView;
// `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
// `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
private SslErrorHandler sslErrorHandler;
+ // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
+ private EditText findOnPageEditText;
+
+ // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
+ private InputMethodManager inputMethodManager;
+
@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")
super.onCreate(savedInstanceState);
setContentView(R.layout.main_coordinatorlayout);
+ // 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.
Toolbar supportAppBar = (Toolbar) findViewById(R.id.appBar);
setSupportActionBar(supportAppBar);
// This is needed to get rid of the Android Studio warning that appBar might be null.
assert appBar != null;
- // Add the custom url_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar.
- appBar.setCustomView(R.layout.url_bar);
+ // 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 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 {
}
});
+ // Get handles for `fullScreenVideoFrameLayout`, `mainWebView`, and `find_on_page_edittext`.
final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout);
+ mainWebView = (WebView) findViewById(R.id.mainWebView);
+ findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
+
+ // Update `findOnPageCountTextView`.
+ mainWebView.setFindListener(new WebView.FindListener() {
+ // Get a handle for `findOnPageCountTextView`.
+ 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);
}
});
- mainWebView = (WebView) findViewById(R.id.mainWebView);
-
// Create the navigation drawer.
drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
// The DrawerTitle identifies the drawer in accessibility mode.
sslErrorHandler = handler;
// Display the SSL error `AlertDialog`.
- DialogFragment sslCertificateErrorDialogFragment = SslCertificateError.displayDialog(error);
- sslCertificateErrorDialogFragment.show(getFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
+ AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateError.displayDialog(error);
+ sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
}
});
@Override
public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
// Show the `DownloadFile` `AlertDialog` and name this instance `@string/download`.
- DialogFragment downloadFileDialogFragment = DownloadFile.fromUrl(url, contentDisposition, contentLength);
- downloadFileDialogFragment.show(getFragmentManager(), getResources().getString(R.string.download));
+ AppCompatDialogFragment downloadFileDialogFragment = DownloadFile.fromUrl(url, contentDisposition, contentLength);
+ downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
}
});
// Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
mainMenu = menu;
- // Set the initial status of the privacy icons.
- updatePrivacyIcons();
+ // 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);
// Apply the new JavaScript status.
mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
- // Update the privacy icon.
- updatePrivacyIcons();
+ // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
+ updatePrivacyIcons(true);
// Display a `Snackbar`.
if (javaScriptEnabled) { // JavaScrip is enabled.
// Apply the new cookie status.
cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
- // Update the privacy icon.
- updatePrivacyIcons();
+ // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
+ updatePrivacyIcons(true);
// Display a `Snackbar`.
if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
// 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();
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;
mainWebView.getSettings().setTextZoom(200);
return true;
+ case R.id.find_on_page:
+ // Hide the URL app bar.
+ Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar);
+ appBarToolbar.setVisibility(View.GONE);
+
+ // Show the Find on Page `RelativeLayout`.
+ LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
+ 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);
case R.id.addToHomescreen:
// Show the `CreateHomeScreenShortcut` `AlertDialog` and name this instance `@string/create_shortcut`.
- DialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcut();
- createHomeScreenShortcutDialogFragment.show(getFragmentManager(), getResources().getString(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;
// Clear `customHeaders`.
customHeaders.clear();
- // Destroy the internal state of the webview.
+ // Detach all views from `mainWebViewRelativeLayout`.
+ RelativeLayout mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.mainWebViewRelativeLayout);
+ mainWebViewRelativeLayout.removeAllViews();
+
+ // Destroy the internal state of `mainWebView`.
mainWebView.destroy();
- // Close Privacy Browser. finishAndRemoveTask also removes Privacy Browser from the recent app list.
+ // 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:
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
- invalidateOptionsMenu();
+ // ActivityCompat.invalidateOptionsMenu(this);
}
@Override
- public void onCreateHomeScreenShortcut(DialogFragment dialogFragment) {
+ public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
// Get shortcutNameEditText from the alert dialog.
EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
}
@Override
- public void onDownloadFile(DialogFragment dialogFragment, String downloadUrl) {
+ public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
String fileName = downloadFileNameEditText.getText().toString();
- // Set the download save in the the `DIRECTORY_DOWNLOADS`using `fileName`.
// Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
- downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
+ if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `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();
// Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
applySettings();
- // Update the privacy icons.
- updatePrivacyIcons();
+ // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
+ updatePrivacyIcons(true);
}
mainWebView.loadUrl(formattedUrlString, customHeaders);
- // Hides the keyboard so we can see the webpage.
- InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
+ // Hides 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`.
+ LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
+ findOnPageLinearLayout.setVisibility(View.GONE);
+
+ // Show the URL app bar.
+ Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar);
+ appBarToolbar.setVisibility(View.VISIBLE);
+
+ // Hides the keyboard so we can see the webpage. `0` indicates no additional flags.
inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
}
}
}
- private void updatePrivacyIcons() {
+ private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
// Get handles for the icons.
MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
// 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.
+ } 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);
formDataIcon.setIcon(R.drawable.form_data_disabled);
}
- // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`.
- // `this` references the current activity.
- ActivityCompat.invalidateOptionsMenu(this);
+ // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
+ if (runInvalidateOptionsMenu) {
+ ActivityCompat.invalidateOptionsMenu(this);
+ }
}
}