]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
Fix a crash when uploading files to some sites. https://redmine.stoutner.com/issues/556
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / MainWebViewActivity.java
index c8f8789a69105e2590d5465816142ef96d89a88c..267e59bf769564b92f2d851217e55435bbcf0b3a 100644 (file)
@@ -117,6 +117,7 @@ import com.stoutner.privacybrowser.R;
 import com.stoutner.privacybrowser.adapters.WebViewPagerAdapter;
 import com.stoutner.privacybrowser.asynctasks.GetHostIpAddresses;
 import com.stoutner.privacybrowser.asynctasks.PopulateBlocklists;
+import com.stoutner.privacybrowser.asynctasks.PrepareSaveDialog;
 import com.stoutner.privacybrowser.asynctasks.SaveUrl;
 import com.stoutner.privacybrowser.asynctasks.SaveWebpageImage;
 import com.stoutner.privacybrowser.dialogs.AdConsentDialog;
@@ -155,6 +156,7 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
+import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
@@ -316,6 +318,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
     // Remove the warning about needing to override `performClick()` when using an `OnTouchListener` with `WebView`.
     @SuppressLint("ClickableViewAccessibility")
     protected void onCreate(Bundle savedInstanceState) {
+        // Enable the drawing of the entire webpage.  This makes it possible to save a website image.  This must be done before anything else happens with the WebView.
         if (Build.VERSION.SDK_INT >= 21) {
             WebView.enableSlowWholeDocumentDraw();
         }
@@ -991,110 +994,24 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 // Consume the event.
                 return true;
 
-            case R.id.add_or_edit_domain:
-                if (currentWebView.getDomainSettingsApplied()) {  // Edit the current domain settings.
-                    // Reapply the domain settings on returning to `MainWebViewActivity`.
-                    reapplyDomainSettingsOnRestart = true;
-
-                    // Create an intent to launch the domains activity.
-                    Intent domainsIntent = new Intent(this, DomainsActivity.class);
-
-                    // Add the extra information to the intent.
-                    domainsIntent.putExtra("load_domain", currentWebView.getDomainSettingsDatabaseId());
-                    domainsIntent.putExtra("close_on_back", true);
-                    domainsIntent.putExtra("current_url", currentWebView.getUrl());
-
-                    // Get the current certificate.
-                    SslCertificate sslCertificate = currentWebView.getCertificate();
-
-                    // Check to see if the SSL certificate is populated.
-                    if (sslCertificate != null) {
-                        // Extract the certificate to strings.
-                        String issuedToCName = sslCertificate.getIssuedTo().getCName();
-                        String issuedToOName = sslCertificate.getIssuedTo().getOName();
-                        String issuedToUName = sslCertificate.getIssuedTo().getUName();
-                        String issuedByCName = sslCertificate.getIssuedBy().getCName();
-                        String issuedByOName = sslCertificate.getIssuedBy().getOName();
-                        String issuedByUName = sslCertificate.getIssuedBy().getUName();
-                        long startDateLong = sslCertificate.getValidNotBeforeDate().getTime();
-                        long endDateLong = sslCertificate.getValidNotAfterDate().getTime();
-
-                        // Add the certificate to the intent.
-                        domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName);
-                        domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName);
-                        domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName);
-                        domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName);
-                        domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName);
-                        domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName);
-                        domainsIntent.putExtra("ssl_start_date", startDateLong);
-                        domainsIntent.putExtra("ssl_end_date", endDateLong);
-                    }
-
-                    // Check to see if the current IP addresses have been received.
-                    if (currentWebView.hasCurrentIpAddresses()) {
-                        // Add the current IP addresses to the intent.
-                        domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses());
-                    }
-
-                    // Make it so.
-                    startActivity(domainsIntent);
-                } else {  // Add a new domain.
-                    // Apply the new domain settings on returning to `MainWebViewActivity`.
-                    reapplyDomainSettingsOnRestart = true;
-
-                    // Get the current domain
-                    Uri currentUri = Uri.parse(currentWebView.getUrl());
-                    String currentDomain = currentUri.getHost();
-
-                    // Initialize the database handler.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
-                    DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
-
-                    // Create the domain and store the database ID.
-                    int newDomainDatabaseId = domainsDatabaseHelper.addDomain(currentDomain);
-
-                    // Create an intent to launch the domains activity.
-                    Intent domainsIntent = new Intent(this, DomainsActivity.class);
-
-                    // Add the extra information to the intent.
-                    domainsIntent.putExtra("load_domain", newDomainDatabaseId);
-                    domainsIntent.putExtra("close_on_back", true);
-                    domainsIntent.putExtra("current_url", currentWebView.getUrl());
-
-                    // Get the current certificate.
-                    SslCertificate sslCertificate = currentWebView.getCertificate();
-
-                    // Check to see if the SSL certificate is populated.
-                    if (sslCertificate != null) {
-                        // Extract the certificate to strings.
-                        String issuedToCName = sslCertificate.getIssuedTo().getCName();
-                        String issuedToOName = sslCertificate.getIssuedTo().getOName();
-                        String issuedToUName = sslCertificate.getIssuedTo().getUName();
-                        String issuedByCName = sslCertificate.getIssuedBy().getCName();
-                        String issuedByOName = sslCertificate.getIssuedBy().getOName();
-                        String issuedByUName = sslCertificate.getIssuedBy().getUName();
-                        long startDateLong = sslCertificate.getValidNotBeforeDate().getTime();
-                        long endDateLong = sslCertificate.getValidNotAfterDate().getTime();
+            case R.id.refresh:
+                if (menuItem.getTitle().equals(getString(R.string.refresh))) {  // The refresh button was pushed.
+                    // Reload the current WebView.
+                    currentWebView.reload();
+                } else {  // The stop button was pushed.
+                    // Stop the loading of the WebView.
+                    currentWebView.stopLoading();
+                }
 
-                        // Add the certificate to the intent.
-                        domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName);
-                        domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName);
-                        domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName);
-                        domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName);
-                        domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName);
-                        domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName);
-                        domainsIntent.putExtra("ssl_start_date", startDateLong);
-                        domainsIntent.putExtra("ssl_end_date", endDateLong);
-                    }
+                // Consume the event.
+                return true;
 
-                    // Check to see if the current IP addresses have been received.
-                    if (currentWebView.hasCurrentIpAddresses()) {
-                        // Add the current IP addresses to the intent.
-                        domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses());
-                    }
+            case R.id.bookmarks:
+                // Get a handle for the drawer layout.
+                DrawerLayout drawerLayout = findViewById(R.id.drawerlayout);
 
-                    // Make it so.
-                    startActivity(domainsIntent);
-                }
+                // Open the bookmarks drawer.
+                drawerLayout.openDrawer(GravityCompat.END);
 
                 // Consume the event.
                 return true;
@@ -1691,34 +1608,25 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 return true;
 
             case R.id.save_url:
-                // Instantiate the save dialog.
-                DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, currentWebView.getCurrentUrl(), currentWebView.getSettings().getUserAgentString(),
-                        currentWebView.getAcceptFirstPartyCookies());
-
-                // Show the save dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+                        currentWebView.getAcceptFirstPartyCookies()).execute(currentWebView.getCurrentUrl());
 
                 // Consume the event.
                 return true;
 
             case R.id.save_as_archive:
-                // Instantiate the save webpage archive dialog.
-                DialogFragment saveWebpageArchiveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_AS_ARCHIVE, currentWebView.getCurrentUrl(), currentWebView.getSettings().getUserAgentString(),
-                        currentWebView.getAcceptFirstPartyCookies());
-
-                // Show the save webpage archive dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                saveWebpageArchiveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_AS_ARCHIVE, currentWebView.getSettings().getUserAgentString(),
+                        currentWebView.getAcceptFirstPartyCookies()).execute(currentWebView.getCurrentUrl());
 
                 // Consume the event.
                 return true;
 
             case R.id.save_as_image:
-                // Instantiate the save webpage image dialog.  It must be named `save_webpage` so that the file picked can update the file name.
-                DialogFragment saveWebpageImageDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_AS_IMAGE, currentWebView.getCurrentUrl(), currentWebView.getSettings().getUserAgentString(),
-                        currentWebView.getAcceptFirstPartyCookies());
-
-                // Show the save webpage image dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                saveWebpageImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                // Prepare the save dialog.  The dialog will be displayed once the file size adn the content disposition have been acquired.
+                new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_AS_IMAGE, currentWebView.getSettings().getUserAgentString(),
+                        currentWebView.getAcceptFirstPartyCookies()).execute(currentWebView.getCurrentUrl());
 
                 // Consume the event.
                 return true;
@@ -1777,13 +1685,109 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 // Consume the event.
                 return true;
 
-            case R.id.refresh:
-                if (menuItem.getTitle().equals(getString(R.string.refresh))) {  // The refresh button was pushed.
-                    // Reload the current WebView.
-                    currentWebView.reload();
-                } else {  // The stop button was pushed.
-                    // Stop the loading of the WebView.
-                    currentWebView.stopLoading();
+            case R.id.add_or_edit_domain:
+                if (currentWebView.getDomainSettingsApplied()) {  // Edit the current domain settings.
+                    // Reapply the domain settings on returning to `MainWebViewActivity`.
+                    reapplyDomainSettingsOnRestart = true;
+
+                    // Create an intent to launch the domains activity.
+                    Intent domainsIntent = new Intent(this, DomainsActivity.class);
+
+                    // Add the extra information to the intent.
+                    domainsIntent.putExtra("load_domain", currentWebView.getDomainSettingsDatabaseId());
+                    domainsIntent.putExtra("close_on_back", true);
+                    domainsIntent.putExtra("current_url", currentWebView.getUrl());
+
+                    // Get the current certificate.
+                    SslCertificate sslCertificate = currentWebView.getCertificate();
+
+                    // Check to see if the SSL certificate is populated.
+                    if (sslCertificate != null) {
+                        // Extract the certificate to strings.
+                        String issuedToCName = sslCertificate.getIssuedTo().getCName();
+                        String issuedToOName = sslCertificate.getIssuedTo().getOName();
+                        String issuedToUName = sslCertificate.getIssuedTo().getUName();
+                        String issuedByCName = sslCertificate.getIssuedBy().getCName();
+                        String issuedByOName = sslCertificate.getIssuedBy().getOName();
+                        String issuedByUName = sslCertificate.getIssuedBy().getUName();
+                        long startDateLong = sslCertificate.getValidNotBeforeDate().getTime();
+                        long endDateLong = sslCertificate.getValidNotAfterDate().getTime();
+
+                        // Add the certificate to the intent.
+                        domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName);
+                        domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName);
+                        domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName);
+                        domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName);
+                        domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName);
+                        domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName);
+                        domainsIntent.putExtra("ssl_start_date", startDateLong);
+                        domainsIntent.putExtra("ssl_end_date", endDateLong);
+                    }
+
+                    // Check to see if the current IP addresses have been received.
+                    if (currentWebView.hasCurrentIpAddresses()) {
+                        // Add the current IP addresses to the intent.
+                        domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses());
+                    }
+
+                    // Make it so.
+                    startActivity(domainsIntent);
+                } else {  // Add a new domain.
+                    // Apply the new domain settings on returning to `MainWebViewActivity`.
+                    reapplyDomainSettingsOnRestart = true;
+
+                    // Get the current domain
+                    Uri currentUri = Uri.parse(currentWebView.getUrl());
+                    String currentDomain = currentUri.getHost();
+
+                    // Initialize the database handler.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
+                    DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
+
+                    // Create the domain and store the database ID.
+                    int newDomainDatabaseId = domainsDatabaseHelper.addDomain(currentDomain);
+
+                    // Create an intent to launch the domains activity.
+                    Intent domainsIntent = new Intent(this, DomainsActivity.class);
+
+                    // Add the extra information to the intent.
+                    domainsIntent.putExtra("load_domain", newDomainDatabaseId);
+                    domainsIntent.putExtra("close_on_back", true);
+                    domainsIntent.putExtra("current_url", currentWebView.getUrl());
+
+                    // Get the current certificate.
+                    SslCertificate sslCertificate = currentWebView.getCertificate();
+
+                    // Check to see if the SSL certificate is populated.
+                    if (sslCertificate != null) {
+                        // Extract the certificate to strings.
+                        String issuedToCName = sslCertificate.getIssuedTo().getCName();
+                        String issuedToOName = sslCertificate.getIssuedTo().getOName();
+                        String issuedToUName = sslCertificate.getIssuedTo().getUName();
+                        String issuedByCName = sslCertificate.getIssuedBy().getCName();
+                        String issuedByOName = sslCertificate.getIssuedBy().getOName();
+                        String issuedByUName = sslCertificate.getIssuedBy().getUName();
+                        long startDateLong = sslCertificate.getValidNotBeforeDate().getTime();
+                        long endDateLong = sslCertificate.getValidNotAfterDate().getTime();
+
+                        // Add the certificate to the intent.
+                        domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName);
+                        domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName);
+                        domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName);
+                        domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName);
+                        domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName);
+                        domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName);
+                        domainsIntent.putExtra("ssl_start_date", startDateLong);
+                        domainsIntent.putExtra("ssl_end_date", endDateLong);
+                    }
+
+                    // Check to see if the current IP addresses have been received.
+                    if (currentWebView.hasCurrentIpAddresses()) {
+                        // Add the current IP addresses to the intent.
+                        domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses());
+                    }
+
+                    // Make it so.
+                    startActivity(domainsIntent);
                 }
 
                 // Consume the event.
@@ -1895,6 +1899,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 // 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);
 
+                // Make it so.
                 startActivity(downloadManagerIntent);
                 break;
 
@@ -2108,59 +2113,15 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
 
                 // Add a Save URL entry.
                 menu.add(R.string.save_url).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Instantiate the save dialog.
-                    DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, linkUrl, currentWebView.getSettings().getUserAgentString(),
-                            currentWebView.getAcceptFirstPartyCookies());
-
-                    // Show the save dialog.  It must be named `save_dialog` so that the file picker can update the file name.
-                    saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                    // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                    new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+                            currentWebView.getAcceptFirstPartyCookies()).execute(linkUrl);
 
                     // Consume the event.
                     return true;
                 });
 
-                // Add a Cancel entry, which by default closes the context menu.
-                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(item -> {
-                    // 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);
-
-                    // Consume the event.
-                    return true;
-                });
-
-                // Add a Copy Email Address entry.
-                menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> {
-                    // Save the email address in a `ClipData`.
-                    ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl);
-
-                    // Set the `ClipData` as the clipboard's primary clip.
-                    clipboardManager.setPrimaryClip(srcEmailTypeClipData);
-
-                    // Consume the event.
-                    return true;
-                });
-
-                // Add a `Cancel` entry, which by default closes the `ContextMenu`.
+                // Add an empty Cancel entry, which by default closes the context menu.
                 menu.add(R.string.cancel);
                 break;
 
@@ -2181,6 +2142,24 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                     return true;
                 });
 
+                // Add an Open with App entry.
+                menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Open the image URL with an external app.
+                    openWithApp(imageUrl);
+
+                    // Consume the event.
+                    return true;
+                });
+
+                // Add an Open with Browser entry.
+                menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Open the image URL with an external browser.
+                    openWithBrowser(imageUrl);
+
+                    // Consume the event.
+                    return true;
+                });
+
                 // Add a View Image entry.
                 menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
                     // Load the image in the current tab.
@@ -2192,12 +2171,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
 
                 // Add a Save Image entry.
                 menu.add(R.string.save_image).setOnMenuItemClickListener((MenuItem item) -> {
-                   // Instantiate the save dialog.
-                   DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, imageUrl, currentWebView.getSettings().getUserAgentString(),
-                           currentWebView.getAcceptFirstPartyCookies());
-
-                   // Show the save dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                    saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                   // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                    new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+                            currentWebView.getAcceptFirstPartyCookies()).execute(imageUrl);
 
                     // Consume the event.
                     return true;
@@ -2215,25 +2191,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                     return true;
                 });
 
-                // Add an Open with App entry.
-                menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Open the image URL with an external app.
-                    openWithApp(imageUrl);
-
-                    // Consume the event.
-                    return true;
-                });
-
-                // Add an Open with Browser entry.
-                menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Open the image URL with an external browser.
-                    openWithBrowser(imageUrl);
-
-                    // Consume the event.
-                    return true;
-                });
-
-                // Add a Cancel entry, which by default closes the context menu.
+                // Add an empty Cancel entry, which by default closes the context menu.
                 menu.add(R.string.cancel);
                 break;
 
@@ -2284,6 +2242,24 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                     return true;
                 });
 
+                // Add an Open with App entry.
+                menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Open the link URL with an external app.
+                    openWithApp(linkUrl);
+
+                    // Consume the event.
+                    return true;
+                });
+
+                // Add an Open with Browser entry.
+                menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Open the link URL with an external browser.
+                    openWithBrowser(linkUrl);
+
+                    // Consume the event.
+                    return true;
+                });
+
                 // Add a View Image entry.
                 menu.add(R.string.view_image).setOnMenuItemClickListener((MenuItem item) -> {
                    // View the image in the current tab.
@@ -2293,6 +2269,16 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                    return true;
                 });
 
+                // Add a Save Image entry.
+                menu.add(R.string.save_image).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                    new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+                            currentWebView.getAcceptFirstPartyCookies()).execute(imageUrl);
+
+                    // Consume the event.
+                    return true;
+                });
+
                 // Add a Copy URL entry.
                 menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> {
                     // Save the link URL in a clip data.
@@ -2305,49 +2291,58 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                     return true;
                 });
 
-                menu.add(R.string.save_image).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Instantiate the save  dialog.
-                    DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, imageUrl, currentWebView.getSettings().getUserAgentString(),
-                            currentWebView.getAcceptFirstPartyCookies());
-
-                    // Show the save raw dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                    saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+                // Add a Save URL entry.
+                menu.add(R.string.save_url).setOnMenuItemClickListener((MenuItem item) -> {
+                    // Prepare the save dialog.  The dialog will be displayed once the file size and the content disposition have been acquired.
+                    new PrepareSaveDialog(this, this, getSupportFragmentManager(), StoragePermissionDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+                            currentWebView.getAcceptFirstPartyCookies()).execute(linkUrl);
 
                     // Consume the event.
                     return true;
                 });
 
-                menu.add(R.string.save_url).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Instantiate the save dialog.
-                    DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, linkUrl, currentWebView.getSettings().getUserAgentString(),
-                            currentWebView.getAcceptFirstPartyCookies());
+                // Add an empty Cancel entry, which by default closes the context menu.
+                menu.add(R.string.cancel);
+                break;
 
-                    // Show the save raw dialog.  It must be named `save_dialog` so that the file picked can update the file name.
-                    saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+            case WebView.HitTestResult.EMAIL_TYPE:
+                // Get the target URL.
+                linkUrl = hitTestResult.getExtra();
 
-                    // Consume the event.
-                    return true;
-                });
+                // Set the target URL as the title of the `ContextMenu`.
+                menu.setHeaderTitle(linkUrl);
 
-                // Add an Open with App entry.
-                menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Open the link URL with an external app.
-                    openWithApp(linkUrl);
+                // Add a Write Email entry.
+                menu.add(R.string.write_email).setOnMenuItemClickListener(item -> {
+                    // 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);
 
                     // Consume the event.
                     return true;
                 });
 
-                // Add an Open with Browser entry.
-                menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
-                    // Open the link URL with an external browser.
-                    openWithBrowser(linkUrl);
+                // Add a Copy Email Address entry.
+                menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> {
+                    // Save the email address in a `ClipData`.
+                    ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl);
+
+                    // Set the `ClipData` as the clipboard's primary clip.
+                    clipboardManager.setPrimaryClip(srcEmailTypeClipData);
 
                     // Consume the event.
                     return true;
                 });
 
-                // Add a cancel entry, which by default closes the context menu.
+                // Add an empty Cancel entry, which by default closes the context menu.
                 menu.add(R.string.cancel);
                 break;
         }
@@ -2398,7 +2393,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
     }
 
     @Override
-    public void onCreateBookmarkFolder(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) {
+    public void onCreateBookmarkFolder(DialogFragment dialogFragment, @NonNull Bitmap favoriteIconBitmap) {
         // Get a handle for the bookmarks list view.
         ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
 
@@ -3117,63 +3112,66 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        switch (requestCode) {
-            case PERMISSION_OPEN_REQUEST_CODE:
-                // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
-                if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) {  // The storage permission was granted.
-                    // Load the file.
-                    currentWebView.loadUrl("file://" + openFilePath);
-                } else {  // The storage permission was not granted.
-                    // Display an error snackbar.
-                    Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
-                }
+        //Only process the results if they exist (this method is triggered when a dialog is presented the first time for an app, but no grant results are included).
+        if (grantResults.length > 0) {
+            switch (requestCode) {
+                case PERMISSION_OPEN_REQUEST_CODE:
+                    // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
+                    if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {  // The storage permission was granted.
+                        // Load the file.
+                        currentWebView.loadUrl("file://" + openFilePath);
+                    } else {  // The storage permission was not granted.
+                        // Display an error snackbar.
+                        Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+                    }
 
-                // Reset the open file path.
-                openFilePath = "";
-                break;
+                    // Reset the open file path.
+                    openFilePath = "";
+                    break;
 
-            case PERMISSION_SAVE_URL_REQUEST_CODE:
-                // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
-                if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) {  // The storage permission was granted.
-                    // Save the raw URL.
-                    new SaveUrl(this, this, saveWebpageFilePath, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptFirstPartyCookies()).execute(saveWebpageUrl);
-                } else {  // The storage permission was not granted.
-                    // Display an error snackbar.
-                    Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
-                }
+                case PERMISSION_SAVE_URL_REQUEST_CODE:
+                    // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
+                    if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {  // The storage permission was granted.
+                        // Save the raw URL.
+                        new SaveUrl(this, this, saveWebpageFilePath, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptFirstPartyCookies()).execute(saveWebpageUrl);
+                    } else {  // The storage permission was not granted.
+                        // Display an error snackbar.
+                        Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+                    }
 
-                // Reset the save strings.
-                saveWebpageUrl = "";
-                saveWebpageFilePath = "";
-                break;
+                    // Reset the save strings.
+                    saveWebpageUrl = "";
+                    saveWebpageFilePath = "";
+                    break;
 
-            case PERMISSION_SAVE_AS_ARCHIVE_REQUEST_CODE:
-                // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
-                if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) {  // The storage permission was granted.
-                    // Save the webpage archive.
-                    currentWebView.saveWebArchive(saveWebpageFilePath);
-                } else {  // The storage permission was not granted.
-                    // Display an error snackbar.
-                    Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
-                }
+                case PERMISSION_SAVE_AS_ARCHIVE_REQUEST_CODE:
+                    // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
+                    if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {  // The storage permission was granted.
+                        // Save the webpage archive.
+                        currentWebView.saveWebArchive(saveWebpageFilePath);
+                    } else {  // The storage permission was not granted.
+                        // Display an error snackbar.
+                        Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+                    }
 
-                // Reset the save webpage file path.
-                saveWebpageFilePath = "";
-                break;
+                    // Reset the save webpage file path.
+                    saveWebpageFilePath = "";
+                    break;
 
-            case PERMISSION_SAVE_AS_IMAGE_REQUEST_CODE:
-                // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
-                if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) {  // The storage permission was granted.
-                    // Save the webpage image.
-                    new SaveWebpageImage(this, currentWebView).execute(saveWebpageFilePath);
-                } else {  // The storage permission was not granted.
-                    // Display an error snackbar.
-                    Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
-                }
+                case PERMISSION_SAVE_AS_IMAGE_REQUEST_CODE:
+                    // Check to see if the storage permission was granted.  If the dialog was canceled the grant results will be empty.
+                    if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {  // The storage permission was granted.
+                        // Save the webpage image.
+                        new SaveWebpageImage(this, currentWebView).execute(saveWebpageFilePath);
+                    } else {  // The storage permission was not granted.
+                        // Display an error snackbar.
+                        Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+                    }
 
-                // Reset the save webpage file path.
-                saveWebpageFilePath = "";
-                break;
+                    // Reset the save webpage file path.
+                    saveWebpageFilePath = "";
+                    break;
+            }
         }
     }
 
@@ -4610,7 +4608,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
     }
 
     private void openWithApp(String url) {
-        // Create the open with intent with `ACTION_VIEW`.
+        // Create an open with app intent with `ACTION_VIEW`.
         Intent openWithAppIntent = new Intent(Intent.ACTION_VIEW);
 
         // Set the URI but not the MIME type.  This should open all available apps.
@@ -4619,17 +4617,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
         // Flag the intent to open in a new task.
         openWithAppIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
+        // Try the intent.
         try {
             // Show the chooser.
             startActivity(openWithAppIntent);
-        } catch (ActivityNotFoundException exception) {
+        } catch (ActivityNotFoundException exception) {  // There are no apps available to open the URL.
             // Show a snackbar with the error.
             Snackbar.make(currentWebView, getString(R.string.error) + "  " + exception, Snackbar.LENGTH_INDEFINITE).show();
         }
     }
 
     private void openWithBrowser(String url) {
-        // Create the open with intent with `ACTION_VIEW`.
+        // Create an open with browser intent with `ACTION_VIEW`.
         Intent openWithBrowserIntent = new Intent(Intent.ACTION_VIEW);
 
         // Set the URI and the MIME type.  `"text/html"` should load browser options.
@@ -4638,10 +4637,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
         // Flag the intent to open in a new task.
         openWithBrowserIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
+        // Try the intent.
         try {
             // Show the chooser.
             startActivity(openWithBrowserIntent);
-        } catch (ActivityNotFoundException exception) {
+        } catch (ActivityNotFoundException exception) {  // There are no browsers available to open the URL.
             // Show a snackbar with the error.
             Snackbar.make(currentWebView, getString(R.string.error) + "  " + exception, Snackbar.LENGTH_INDEFINITE).show();
         }
@@ -5209,8 +5209,24 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
 
         // Allow the downloading of files.
         nestedScrollWebView.setDownloadListener((String downloadUrl, String userAgent, String contentDisposition, String mimetype, long contentLength) -> {
+            // Define a formatted file size string.
+            String formattedFileSizeString;
+
+            // Process the content length if it contains data.
+            if (contentLength > 0) {  // The content length is greater than 0.
+                // Format the content length as a string.
+                formattedFileSizeString = NumberFormat.getInstance().format(contentLength) + " " + getString(R.string.bytes);
+            } else {  // The content length is not greater than 0.
+                // Set the formatted file size string to be `unknown size`.
+                formattedFileSizeString = getString(R.string.unknown_size);
+            }
+
+            // Get the file name from the content disposition.
+            String fileNameString = PrepareSaveDialog.getFileNameFromContentDisposition(this, contentDisposition, downloadUrl);
+
             // Instantiate the save dialog.
-            DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, downloadUrl, userAgent, nestedScrollWebView.getAcceptFirstPartyCookies());
+            DialogFragment saveDialogFragment = SaveDialog.saveUrl(StoragePermissionDialog.SAVE_URL, downloadUrl, formattedFileSizeString, fileNameString, userAgent,
+                    nestedScrollWebView.getAcceptFirstPartyCookies());
 
             // Show the save dialog.  It must be named `save_dialog` so that the file picker can update the file name.
             saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
@@ -5497,11 +5513,29 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                     // Store the file path callback.
                     fileChooserCallback = filePathCallback;
 
-                    // Create an intent to open a chooser based ont the file chooser parameters.
+                    // Create an intent to open a chooser based on the file chooser parameters.
                     Intent fileChooserIntent = fileChooserParams.createIntent();
 
-                    // Open the file chooser.
-                    startActivityForResult(fileChooserIntent, BROWSE_FILE_UPLOAD_REQUEST_CODE);
+                    // Get a handle for the package manager.
+                    PackageManager packageManager = getPackageManager();
+
+                    // Check to see if the file chooser intent resolves to an installed package.
+                    if (fileChooserIntent.resolveActivity(packageManager) != null) {  // The file chooser intent is fine.
+                        // Start the file chooser intent.
+                        startActivityForResult(fileChooserIntent, BROWSE_FILE_UPLOAD_REQUEST_CODE);
+                    } else {  // The file chooser intent will cause a crash.
+                        // Create a generic intent to open a chooser.
+                        Intent genericFileChooserIntent = new Intent(Intent.ACTION_GET_CONTENT);
+
+                        // Request an openable file.
+                        genericFileChooserIntent.addCategory(Intent.CATEGORY_OPENABLE);
+
+                        // Set the file type to everything.
+                        genericFileChooserIntent.setType("*/*");
+
+                        // Start the generic file chooser intent.
+                        startActivityForResult(genericFileChooserIntent, BROWSE_FILE_UPLOAD_REQUEST_CODE);
+                    }
                 }
                 return true;
             }