import android.print.PrintDocumentAdapter;
import android.print.PrintManager;
import android.provider.DocumentsContract;
+import android.provider.OpenableColumns;
import android.text.Editable;
import android.text.Spanned;
import android.text.TextWatcher;
import android.widget.RelativeLayout;
import android.widget.TextView;
+import androidx.activity.result.ActivityResultCallback;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.ActionBarDrawerToggle;
import com.stoutner.privacybrowser.dialogs.OpenDialog;
import com.stoutner.privacybrowser.dialogs.ProxyNotInstalledDialog;
import com.stoutner.privacybrowser.dialogs.PinnedMismatchDialog;
-import com.stoutner.privacybrowser.dialogs.SaveWebpageDialog;
+import com.stoutner.privacybrowser.dialogs.SaveDialog;
import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
public class MainWebViewActivity extends AppCompatActivity implements CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener,
EditBookmarkFolderDialog.EditBookmarkFolderListener, FontSizeDialog.UpdateFontSizeListener, NavigationView.OnNavigationItemSelectedListener, OpenDialog.OpenListener,
- PinnedMismatchDialog.PinnedMismatchListener, PopulateBlocklists.PopulateBlocklistsListener, SaveWebpageDialog.SaveWebpageListener, UrlHistoryDialog.NavigateHistoryListener,
+ PinnedMismatchDialog.PinnedMismatchListener, PopulateBlocklists.PopulateBlocklistsListener, SaveDialog.SaveListener, UrlHistoryDialog.NavigateHistoryListener,
WebViewTabFragment.NewTabListener {
// The executor service handles background tasks. It is accessed from `ViewSourceActivity`.
public final static int DOMAINS_WEBVIEW_DEFAULT_USER_AGENT = 2;
public final static int DOMAINS_CUSTOM_USER_AGENT = 13;
- // Define the start activity for result request codes. The public static entries are accessed from `OpenDialog()` and `SaveWebpageDialog()`.
+ // Define the start activity for result request codes. The public static entry is accessed from `OpenDialog()`.
private final int BROWSE_FILE_UPLOAD_REQUEST_CODE = 0;
public final static int BROWSE_OPEN_REQUEST_CODE = 1;
- public final static int BROWSE_SAVE_WEBPAGE_REQUEST_CODE = 2;
// The proxy mode is public static so it can be accessed from `ProxyHelper()`.
// It is also used in `onRestart()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `applyAppSettings()`, and `applyProxy()`.
// Define the class variables.
private long lastScrollUpdate = 0;
+ private String saveUrlString = "";
// Declare the class views.
private FrameLayout rootFrameLayout;
private MenuItem optionsFontSizeMenuItem;
private MenuItem optionsAddOrEditDomainMenuItem;
+ // This variable won't be needed once the class is migrated to Kotlin, as can be seen in LogcatActivity or AboutVersionFragment.
+ private Activity resultLauncherActivityHandle;
+
+ // Define the save URL activity result launcher. It must be defined before `onCreate()` is run or the app will crash.
+ private final ActivityResultLauncher<String> saveUrlActivityResultLauncher = registerForActivityResult(new ActivityResultContracts.CreateDocument(),
+ new ActivityResultCallback<Uri>() {
+ @Override
+ public void onActivityResult(Uri fileUri) {
+ // Only save the URL if the file URI is not null, which happens if the user exited the file picker by pressing back.
+ if (fileUri != null) {
+ new SaveUrl(getApplicationContext(), resultLauncherActivityHandle, fileUri, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies()).execute(saveUrlString);
+ }
+
+ // Reset the save URL string.
+ saveUrlString = "";
+ }
+ });
+
+ // Define the save webpage archive activity result launcher. It must be defined before `onCreate()` is run or the app will crash.
+ private final ActivityResultLauncher<String> saveWebpageArchiveActivityResultLauncher = registerForActivityResult(new ActivityResultContracts.CreateDocument(),
+ new ActivityResultCallback<Uri>() {
+ @Override
+ public void onActivityResult(Uri fileUri) {
+ // Only save the webpage archive if the file URI is not null, which happens if the user exited the file picker by pressing back.
+ if (fileUri != null) {
+ try {
+ // Create a temporary MHT file.
+ File temporaryMhtFile = File.createTempFile("temporary_mht_file", ".mht", getCacheDir());
+
+ // Save the temporary MHT file.
+ currentWebView.saveWebArchive(temporaryMhtFile.toString(), false, callbackValue -> {
+ if (callbackValue != null) { // The temporary MHT file was saved successfully.
+ try {
+ // Create a temporary MHT file input stream.
+ FileInputStream temporaryMhtFileInputStream = new FileInputStream(temporaryMhtFile);
+
+ // Get an output stream for the save webpage file path.
+ OutputStream mhtOutputStream = getContentResolver().openOutputStream(fileUri);
+
+ // Create a transfer byte array.
+ byte[] transferByteArray = new byte[1024];
+
+ // Create an integer to track the number of bytes read.
+ int bytesRead;
+
+ // Copy the temporary MHT file input stream to the MHT output stream.
+ while ((bytesRead = temporaryMhtFileInputStream.read(transferByteArray)) > 0) {
+ mhtOutputStream.write(transferByteArray, 0, bytesRead);
+ }
+
+ // Close the streams.
+ mhtOutputStream.close();
+ temporaryMhtFileInputStream.close();
+
+ // Initialize the file name string from the file URI last path segment.
+ String fileNameString = fileUri.getLastPathSegment();
+
+ // Query the exact file name if the API >= 26.
+ if (Build.VERSION.SDK_INT >= 26) {
+ // Get a cursor from the content resolver.
+ Cursor contentResolverCursor = resultLauncherActivityHandle.getContentResolver().query(fileUri, null, null, null);
+
+ // Move to the fist row.
+ contentResolverCursor.moveToFirst();
+
+ // Get the file name from the cursor.
+ fileNameString = contentResolverCursor.getString(contentResolverCursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+
+ // Close the cursor.
+ contentResolverCursor.close();
+ }
+
+ // Display a snackbar.
+ Snackbar.make(currentWebView, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT).show();
+ } catch (Exception exception) {
+ // Display a snackbar with the exception.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
+ } finally {
+ // Delete the temporary MHT file.
+ //noinspection ResultOfMethodCallIgnored
+ temporaryMhtFile.delete();
+ }
+ } else { // There was an unspecified error while saving the temporary MHT file.
+ // Display an error snackbar.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file), Snackbar.LENGTH_INDEFINITE).show();
+ }
+ });
+ } catch (IOException ioException) {
+ // Display a snackbar with the IO exception.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + ioException.toString(), Snackbar.LENGTH_INDEFINITE).show();
+ }
+ }
+ }
+ });
+
+ // Define the save webpage image activity result launcher. It must be defined before `onCreate()` is run or the app will crash.
+ private final ActivityResultLauncher<String> saveWebpageImageActivityResultLauncher = registerForActivityResult(new ActivityResultContracts.CreateDocument(),
+ new ActivityResultCallback<Uri>() {
+ @Override
+ public void onActivityResult(Uri fileUri) {
+ // Only save the webpage image if the file URI is not null, which happens if the user exited the file picker by pressing back.
+ if (fileUri != null) {
+ // Save the webpage image.
+ new SaveWebpageImage(resultLauncherActivityHandle, fileUri, currentWebView).execute();
+ }
+ }
+ });
+
// Remove the warning about needing to override `performClick()` when using an `OnTouchListener` with WebView.
@SuppressLint("ClickableViewAccessibility")
@Override
// Run the default commands.
super.onCreate(savedInstanceState);
+ // Populate the result launcher activity. This will no longer be needed once the activity has transitioned to Kotlin.
+ resultLauncherActivityHandle = this;
+
// Check to see if the activity has been restarted.
if (savedInstanceState != null) {
// Store the saved instance state variables.
tabLayout = findViewById(R.id.tablayout);
swipeRefreshLayout = findViewById(R.id.swiperefreshlayout);
webViewPager = findViewById(R.id.webviewpager);
- fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
-
- // Get a handle for the navigation view.
NavigationView navigationView = findViewById(R.id.navigationview);
+ fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
// Get a handle for the navigation menu.
Menu navigationMenu = navigationView.getMenu();
downloadUrlWithExternalApp(currentWebView.getCurrentUrl());
} else { // Handle the download inside of Privacy Browser.
// 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(), SaveWebpageDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+ new PrepareSaveDialog(this, this, getSupportFragmentManager(), currentWebView.getSettings().getUserAgentString(),
currentWebView.getAcceptCookies()).execute(currentWebView.getCurrentUrl());
}
// Consume the event.
return true;
} else if (menuItemId == R.id.save_archive) {
- // Instantiate the save dialog.
- DialogFragment saveArchiveFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_ARCHIVE, currentWebView.getCurrentUrl(), null, null, null,
- false);
-
- // Show the save dialog. It must be named `save_dialog` so that the file picker can update the file name.
- saveArchiveFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+ // Open the file picker with a default file name built from the current domain name.
+ saveWebpageArchiveActivityResultLauncher.launch(currentWebView.getCurrentDomainName() + ".mht");
+ // Consume the event.
return true;
} else if (menuItemId == R.id.save_image) { // Save image.
- // Instantiate the save dialog.
- DialogFragment saveImageFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_IMAGE, currentWebView.getCurrentUrl(), null, null, null,
- false);
-
- // Show the save dialog. It must be named `save_dialog` so that the file picker can update the file name.
- saveImageFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+ // Open the file picker with a default file name built from the current domain name.
+ saveWebpageImageActivityResultLauncher.launch(currentWebView.getCurrentDomainName() + ".png");
// Consume the event.
return true;
downloadUrlWithExternalApp(linkUrl);
} else { // Handle the download inside of Privacy Browser.
// 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(), SaveWebpageDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+ new PrepareSaveDialog(this, this, getSupportFragmentManager(), currentWebView.getSettings().getUserAgentString(),
currentWebView.getAcceptCookies()).execute(linkUrl);
}
downloadUrlWithExternalApp(imageUrl);
} else { // Handle the download inside of Privacy Browser.
// 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(), SaveWebpageDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+ new PrepareSaveDialog(this, this, getSupportFragmentManager(), currentWebView.getSettings().getUserAgentString(),
currentWebView.getAcceptCookies()).execute(imageUrl);
}
downloadUrlWithExternalApp(imageUrl);
} else { // Handle the download inside of Privacy Browser.
// 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(), SaveWebpageDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+ new PrepareSaveDialog(this, this, getSupportFragmentManager(), currentWebView.getSettings().getUserAgentString(),
currentWebView.getAcceptCookies()).execute(imageUrl);
}
downloadUrlWithExternalApp(linkUrl);
} else { // Handle the download inside of Privacy Browser.
// 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(), SaveWebpageDialog.SAVE_URL, currentWebView.getSettings().getUserAgentString(),
+ new PrepareSaveDialog(this, this, getSupportFragmentManager(), currentWebView.getSettings().getUserAgentString(),
currentWebView.getAcceptCookies()).execute(linkUrl);
}
}
}
break;
-
- case BROWSE_SAVE_WEBPAGE_REQUEST_CODE:
- // Don't do anything if the user pressed back from the file picker.
- if (resultCode == Activity.RESULT_OK) {
- // Get a handle for the save dialog fragment.
- DialogFragment saveWebpageDialogFragment = (DialogFragment) getSupportFragmentManager().findFragmentByTag(getString(R.string.save_dialog));
-
- // Only update the file name if the dialog still exists.
- if (saveWebpageDialogFragment != null) {
- // Get a handle for the save webpage dialog.
- Dialog saveWebpageDialog = saveWebpageDialogFragment.getDialog();
-
- // Remove the incorrect lint warning below that the dialog might be null.
- assert saveWebpageDialog != null;
-
- // Get a handle for the file name edit text.
- EditText fileNameEditText = saveWebpageDialog.findViewById(R.id.file_name_edittext);
-
- // Get the file name URI from the intent.
- Uri fileNameUri = returnedIntent.getData();
-
- // Get the file name string from the URI.
- String fileNameString = fileNameUri.toString();
-
- // Set the file name text.
- fileNameEditText.setText(fileNameString);
-
- // Move the cursor to the end of the file name edit text.
- fileNameEditText.setSelection(fileNameString.length());
- }
- }
- break;
}
}
startActivity(Intent.createChooser(downloadIntent, getString(R.string.download_with_external_app)));
}
- public void onSaveWebpage(int saveType, @NonNull String originalUrlString, DialogFragment dialogFragment) {
- // Get the dialog.
- Dialog dialog = dialogFragment.getDialog();
-
- // Remove the incorrect lint warning below that the dialog might be null.
- assert dialog != null;
-
- // Get a handle for the file name edit text.
- EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
-
- // Get the file path from the edit text.
- String saveWebpageFilePath = fileNameEditText.getText().toString();
-
- //Save the webpage according to the save type.
- switch (saveType) {
- case SaveWebpageDialog.SAVE_URL:
- // Get a handle for the dialog URL edit text.
- EditText dialogUrlEditText = dialog.findViewById(R.id.url_edittext);
-
- // Define the save webpage URL.
- String saveWebpageUrl;
-
- // Store the URL.
- if (originalUrlString.startsWith("data:")) {
- // Save the original URL.
- saveWebpageUrl = originalUrlString;
- } else {
- // Get the URL from the edit text, which may have been modified.
- saveWebpageUrl = dialogUrlEditText.getText().toString();
- }
-
- // Save the URL.
- new SaveUrl(this, this, saveWebpageFilePath, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies()).execute(saveWebpageUrl);
- break;
-
- case SaveWebpageDialog.SAVE_ARCHIVE:
- try {
- // Create a temporary MHT file.
- File temporaryMhtFile = File.createTempFile("temporary_mht_file", ".mht", getCacheDir());
-
- // Save the temporary MHT file.
- currentWebView.saveWebArchive(temporaryMhtFile.toString(), false, callbackValue -> {
- if (callbackValue != null) { // The temporary MHT file was saved successfully.
- try {
- // Create a temporary MHT file input stream.
- FileInputStream temporaryMhtFileInputStream = new FileInputStream(temporaryMhtFile);
-
- // Get an output stream for the save webpage file path.
- OutputStream mhtOutputStream = getContentResolver().openOutputStream(Uri.parse(saveWebpageFilePath));
-
- // Create a transfer byte array.
- byte[] transferByteArray = new byte[1024];
+ public void onSaveUrl(@NonNull String originalUrlString, @NonNull String fileNameString, @NonNull DialogFragment dialogFragment) {
+ // Store the URL. This will be used in the save URL activity result launcher.
+ if (originalUrlString.startsWith("data:")) {
+ // Save the original URL.
+ saveUrlString = originalUrlString;
+ } else {
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
- // Create an integer to track the number of bytes read.
- int bytesRead;
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
- // Copy the temporary MHT file input stream to the MHT output stream.
- while ((bytesRead = temporaryMhtFileInputStream.read(transferByteArray)) > 0) {
- mhtOutputStream.write(transferByteArray, 0, bytesRead);
- }
+ // Get a handle for the dialog URL edit text.
+ EditText dialogUrlEditText = dialog.findViewById(R.id.url_edittext);
- // Close the streams.
- mhtOutputStream.close();
- temporaryMhtFileInputStream.close();
-
- // Display a snackbar.
- Snackbar.make(currentWebView, getString(R.string.file_saved) + " " + currentWebView.getCurrentUrl(), Snackbar.LENGTH_SHORT).show();
- } catch (Exception exception) {
- // Display a snackbar with the exception.
- Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
- } finally {
- // Delete the temporary MHT file.
- //noinspection ResultOfMethodCallIgnored
- temporaryMhtFile.delete();
- }
- } else { // There was an unspecified error while saving the temporary MHT file.
- // Display an error snackbar.
- Snackbar.make(currentWebView, getString(R.string.error_saving_file), Snackbar.LENGTH_INDEFINITE).show();
- }
- });
- } catch (IOException ioException) {
- // Display a snackbar with the IO exception.
- Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + ioException.toString(), Snackbar.LENGTH_INDEFINITE).show();
- }
- break;
-
- case SaveWebpageDialog.SAVE_IMAGE:
- // Save the webpage image.
- new SaveWebpageImage(this, saveWebpageFilePath, currentWebView).execute();
- break;
+ // Get the URL from the edit text, which may have been modified.
+ saveUrlString = dialogUrlEditText.getText().toString();
}
+
+ // Open the file picker.
+ saveUrlActivityResultLauncher.launch(fileNameString);
}
// Remove the warning that `OnTouchListener()` needs to override `performClick()`, as the only purpose of setting the `OnTouchListener()` is to make it do nothing.
defaultProgressViewEndOffset = swipeRefreshLayout.getProgressViewEndOffset();
// Set the refresh color scheme according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
- swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
- } else {
- swipeRefreshLayout.setColorSchemeResources(R.color.violet_500);
- }
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_text);
// Initialize a color background typed value.
TypedValue colorBackgroundTypedValue = new TypedValue();
inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0);
}
- // Clear the focus from from the URL text box and the WebView. This removes any text selection markers and context menus, which otherwise draw above the open drawers.
+ // Clear the focus from from the URL text box. This removes any text selection markers and context menus, which otherwise draw above the open drawers.
urlEditText.clearFocus();
- currentWebView.clearFocus();
+
+ // Clear the focus from from the WebView if it is not null, which can happen if a user opens a drawer while the browser is being resumed.
+ if (currentWebView != null) {
+ // Clearing the focus from the WebView removes any text selection markers and context menus, which otherwise draw above the open drawers.
+ currentWebView.clearFocus();
+ }
}
}
});
String fileNameString = PrepareSaveDialog.getFileNameFromHeaders(this, contentDisposition, mimetype, downloadUrl);
// Instantiate the save dialog.
- DialogFragment saveDialogFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_URL, downloadUrl, formattedFileSizeString, fileNameString, userAgent,
+ DialogFragment saveDialogFragment = SaveDialog.saveUrl(downloadUrl, formattedFileSizeString, fileNameString, userAgent,
nestedScrollWebView.getAcceptCookies());
// Try to show the dialog. The download listener continues to function even when the WebView is paused. Attempting to display a dialog in that state leads to a crash.