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.webkit.CookieManager;
import android.webkit.DownloadListener;
import android.webkit.SslErrorHandler;
+import android.webkit.WebBackForwardList;
import android.webkit.WebChromeClient;
import android.webkit.WebStorage;
import android.webkit.WebView;
// 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, UrlHistory.UrlHistoryListener {
// `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
// It is also used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
public static SslCertificate sslCertificate;
- // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage`, 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()`.
// 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);
+ 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, R.string.close_navigation);
}
});
+ // 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
return true;
case R.id.addToHomescreen:
- // Show the `CreateHomeScreenShortcut` `AlertDialog` and name this instance `@string/create_shortcut`.
+ // 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));
}
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 BookmarksActivity.
Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
// 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);
}
sslErrorHandler.proceed();
}
+ @Override
+ public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
+ // Load the history entry.
+ mainWebView.goBackOrForward(moveBackOrForwardSteps);
+ }
+
// Override onBackPressed to handle the navigation drawer and mainWebView.
@Override
public void onBackPressed() {
mainWebView.loadUrl(formattedUrlString, customHeaders);
- // Hides the keyboard so we can see the webpage. `0` indicates no additional flags.
+ // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
}
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.
+ // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
}
projects / PrivacyBrowserAndroid.git / blobdiff