- // Get the file name from the dialog fragment.
- EditText downloadImageNameEditText = dialogFragment.getDialog().findViewById(R.id.download_image_name);
- String imageName = downloadImageNameEditText.getText().toString();
-
- // Specify the download location.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted.
- // Download to the public download directory.
- downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, imageName);
- } else { // External write permission denied.
- // Download to the app's external download directory.
- downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, 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);
-
- // Remove the lint warning below that `downloadManager` might be `null`.
- assert downloadManager != null;
-
- // Initiate the download.
- downloadManager.enqueue(downloadRequest);
- } else { // The image is not an HTTP or HTTPS URI.
- Snackbar.make(currentWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- @Override
- public void onDownloadFile(DialogFragment 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));
-
- // Get a handle for the cookie manager.
- CookieManager cookieManager = CookieManager.getInstance();
-
- // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
- // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
- if (cookieManager.acceptCookie()) {
- // 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 the dialog fragment.
- EditText downloadFileNameEditText = dialogFragment.getDialog().findViewById(R.id.download_file_name);
- String fileName = downloadFileNameEditText.getText().toString();
-
- // Specify the download location.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted.
- // Download to the public download directory.
- downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
- } else { // External write permission denied.
- // Download to the app's external download directory.
- downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, 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);
-
- // Remove the lint warning below that `downloadManager` might be `null`.
- assert downloadManager != null;
-
- // Initiate the download.
- downloadManager.enqueue(downloadRequest);
- } else { // The download is not an HTTP or HTTPS URI.
- Snackbar.make(currentWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- // Override `onBackPressed` to handle the navigation drawer and and the WebView.
- @Override
- public void onBackPressed() {
- // Get a handle for the drawer layout and the tab layout.
- DrawerLayout drawerLayout = findViewById(R.id.drawerlayout);
- TabLayout tabLayout = findViewById(R.id.tablayout);
-
- if (drawerLayout.isDrawerVisible(GravityCompat.START)) { // The navigation drawer is open.
- // Close the navigation drawer.
- drawerLayout.closeDrawer(GravityCompat.START);
- } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){ // The bookmarks drawer is open.
- if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed.
- // close the bookmarks drawer.
- drawerLayout.closeDrawer(GravityCompat.END);
- } else { // A subfolder is displayed.
- // Place the former parent folder in `currentFolder`.
- currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolderName(currentBookmarksFolder);