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.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.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
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;
// 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 MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener,
- SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener {
+ SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener, DownloadImage.DownloadImageListener {
// `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
- // It is also used in `onCreate()` and `onOptionsItemSelected()`.
+ // 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()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`.
private WebView mainWebView;
// `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
// `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, and `onRestart()`.
private CookieManager cookieManager;
- // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, and `loadUrlFromTextBox()`.
+ // `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()`.
// `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
private SslErrorHandler sslErrorHandler;
- private MenuItem toggleJavaScript;
+ // `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.
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);
// 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.
+ // `DrawerTitle` identifies the drawer 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 item 1 and 2 and the second and third items in the menu.
+ final Menu navigationMenu = navigationView.getMenu();
+ final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
+ final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
+
+ // 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 and forward menu items every time the drawer opens.
+ navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
+ navigationForwardMenuItem.setEnabled(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, R.string.close_navigation);
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));
}
});
}
});
+ // 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
updatePrivacyIcons(false);
// Get handles for the menu items.
- toggleJavaScript = menu.findItem(R.id.toggleJavaScript);
MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
mainWebView.getSettings().setTextZoom(200);
return true;
- /*
case R.id.find_on_page:
- appBar.setCustomView(R.layout.find_on_page_app_bar);
- toggleJavaScript.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
- appBar.invalidateOptionsMenu();
+ // 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();
// 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:
// 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;
+
+ 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` button.
+ menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ mainWebView.loadUrl(linkUrl, customHeaders);
+ return false;
+ }
+ });
+
+ // Add a `Cancel` button, 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` button.
+ 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 `Cancel` button, 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` button.
+ 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` button.
+ 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 `Cancel` button, 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` button.
+ 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` button.
+ 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 `Cancel` button, which by default closes the `ContextMenu`.
+ menu.add(R.string.cancel);
+ break;
+ }
+ }
+
@Override
public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
// Get shortcutNameEditText from the alert dialog.
sendBroadcast(placeBookmarkShortcut);
}
+ @Override
+ public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
+ // 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));
+
+ // 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);
+ }
+
@Override
public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
+ // 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));
// Get the file name from `dialogFragment`.
// Show the download notification after the download is completed.
downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
- // Initiate the download and display a Snackbar.
+ // Initiate the download.
downloadManager.enqueue(downloadRequest);
}
mainWebView.loadUrl(formattedUrlString, customHeaders);
- // Hides the keyboard so we can see the webpage.
- InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
+ // 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`.
+ 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);
+
+ // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
}
projects / PrivacyBrowserAndroid.git / blobdiff