/*
- * Copyright © 2019 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2019-2020 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.Manifest;
import android.annotation.SuppressLint;
import android.app.Activity;
-import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
+import android.content.res.Configuration;
+import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.text.Editable;
+import android.text.InputType;
import android.text.TextWatcher;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.DialogFragment;
import androidx.preference.PreferenceManager;
+import com.google.android.material.textfield.TextInputLayout;
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import com.stoutner.privacybrowser.asynctasks.GetUrlSize;
+import com.stoutner.privacybrowser.helpers.DownloadLocationHelper;
-public class SaveWebpageDialog extends DialogFragment {
- // Define the save type constants.
- public static final int ARCHIVE = 0;
- public static final int IMAGE = 1;
+import java.io.File;
+public class SaveWebpageDialog extends DialogFragment {
// Define the save webpage listener.
private SaveWebpageListener saveWebpageListener;
// The public interface is used to send information back to the parent activity.
public interface SaveWebpageListener {
- void onSaveWebpage(int saveType, DialogFragment dialogFragment);
+ void onSaveWebpage(int saveType, String originalUrlString, DialogFragment dialogFragment);
}
+ // Define the get URL size AsyncTask. This allows previous instances of the task to be cancelled if a new one is run.
+ private AsyncTask getUrlSize;
+
@Override
public void onAttach(@NonNull Context context) {
// Run the default commands.
saveWebpageListener = (SaveWebpageListener) context;
}
- public static SaveWebpageDialog saveWebpage(int saveType) {
+ public static SaveWebpageDialog saveWebpage(int saveType, String urlString, String fileSizeString, String contentDispositionFileNameString, String userAgentString, boolean cookiesEnabled) {
// Create an arguments bundle.
Bundle argumentsBundle = new Bundle();
- // Store the save type in the bundle.
+ // Store the arguments in the bundle.
argumentsBundle.putInt("save_type", saveType);
+ argumentsBundle.putString("url_string", urlString);
+ argumentsBundle.putString("file_size_string", fileSizeString);
+ argumentsBundle.putString("content_disposition_file_name_string", contentDispositionFileNameString);
+ argumentsBundle.putString("user_agent_string", userAgentString);
+ argumentsBundle.putBoolean("cookies_enabled", cookiesEnabled);
// Create a new instance of the save webpage dialog.
SaveWebpageDialog saveWebpageDialog = new SaveWebpageDialog();
return saveWebpageDialog;
}
- // `@SuppressLing("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
+ // `@SuppressLint("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
@SuppressLint("InflateParams")
@Override
@NonNull
// Remove the incorrect lint warning that the arguments might be null.
assert arguments != null;
- // Get the save type.
+ // Get the arguments from the bundle.
int saveType = arguments.getInt("save_type");
+ String urlString = arguments.getString("url_string");
+ String fileSizeString = arguments.getString("file_size_string");
+ String contentDispositionFileNameString = arguments.getString("content_disposition_file_name_string");
+ String userAgentString = arguments.getString("user_agent_string");
+ boolean cookiesEnabled = arguments.getBoolean("cookies_enabled");
// Get a handle for the activity and the context.
- Activity activity = getActivity();
- Context context = getContext();
-
- // Remove the incorrect lint warnings below that the activity and context might be null.
- assert activity != null;
- assert context != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-
- // Get the screenshot and theme preferences.
- boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+ Activity activity = requireActivity();
+ Context context = requireContext();
// Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder;
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialog);
- // Set the style and icon according to the theme.
- if (darkTheme) {
- // Set the style.
- dialogBuilder = new AlertDialog.Builder(activity, R.style.PrivacyBrowserAlertDialogDark);
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+ // Set the icon according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) { // The night theme is enabled.
// Set the icon according to the save type.
switch (saveType) {
- case ARCHIVE:
- dialogBuilder.setIcon(R.drawable.dom_storage_cleared_dark);
+ case StoragePermissionDialog.SAVE_URL:
+ dialogBuilder.setIcon(R.drawable.copy_enabled_night);
break;
- case IMAGE:
- dialogBuilder.setIcon(R.drawable.images_enabled_dark);
+ case StoragePermissionDialog.SAVE_ARCHIVE:
+ dialogBuilder.setIcon(R.drawable.dom_storage_cleared_night);
break;
- }
- } else {
- // Set the style.
- dialogBuilder = new AlertDialog.Builder(activity, R.style.PrivacyBrowserAlertDialogLight);
+ case StoragePermissionDialog.SAVE_IMAGE:
+ dialogBuilder.setIcon(R.drawable.images_enabled_night);
+ break;
+ }
+ } else { // The day theme is enabled.
// Set the icon according to the save type.
switch (saveType) {
- case ARCHIVE:
- dialogBuilder.setIcon(R.drawable.dom_storage_cleared_light);
+ case StoragePermissionDialog.SAVE_URL:
+ dialogBuilder.setIcon(R.drawable.copy_enabled_day);
+ break;
+
+ case StoragePermissionDialog.SAVE_ARCHIVE:
+ dialogBuilder.setIcon(R.drawable.dom_storage_cleared_day);
break;
- case IMAGE:
- dialogBuilder.setIcon(R.drawable.images_enabled_light);
+ case StoragePermissionDialog.SAVE_IMAGE:
+ dialogBuilder.setIcon(R.drawable.images_enabled_day);
break;
}
}
// Set the title according to the type.
switch (saveType) {
- case ARCHIVE:
+ case StoragePermissionDialog.SAVE_URL:
+ dialogBuilder.setTitle(R.string.save);
+ break;
+
+ case StoragePermissionDialog.SAVE_ARCHIVE:
dialogBuilder.setTitle(R.string.save_archive);
break;
- case IMAGE:
+ case StoragePermissionDialog.SAVE_IMAGE:
dialogBuilder.setTitle(R.string.save_image);
break;
}
// Set the view. The parent view is null because it will be assigned by the alert dialog.
- dialogBuilder.setView(activity.getLayoutInflater().inflate(R.layout.save_dialog, null));
+ dialogBuilder.setView(activity.getLayoutInflater().inflate(R.layout.save_url_dialog, null));
// Set the cancel button listener. Using `null` as the listener closes the dialog without doing anything else.
dialogBuilder.setNegativeButton(R.string.cancel, null);
// Set the save button listener.
dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
// Return the dialog fragment to the parent activity.
- saveWebpageListener.onSaveWebpage(saveType, this);
+ saveWebpageListener.onSaveWebpage(saveType, urlString, this);
});
// Create an alert dialog from the builder.
AlertDialog alertDialog = dialogBuilder.create();
- // Remove the incorrect lint warning below that `getWindow()` might be null.
+ // Remove the incorrect lint warning below that the window might be null.
assert alertDialog.getWindow() != null;
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+
+ // Get the screenshot preference.
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
// Disable screenshots if not allowed.
if (!allowScreenshots) {
alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
alertDialog.show();
// Get handles for the layout items.
+ TextInputLayout urlTextInputLayout = alertDialog.findViewById(R.id.url_textinputlayout);
+ EditText urlEditText = alertDialog.findViewById(R.id.url_edittext);
EditText fileNameEditText = alertDialog.findViewById(R.id.file_name_edittext);
Button browseButton = alertDialog.findViewById(R.id.browse_button);
+ TextView fileSizeTextView = alertDialog.findViewById(R.id.file_size_textview);
+ TextView fileExistsWarningTextView = alertDialog.findViewById(R.id.file_exists_warning_textview);
TextView storagePermissionTextView = alertDialog.findViewById(R.id.storage_permission_textview);
Button saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
- // Create a default file name string.
- String defaultFileName = "";
-
- // Set the default file name according to the type.
- switch (saveType) {
- case ARCHIVE:
- defaultFileName = getString(R.string.webpage_mht);
- break;
-
- case IMAGE:
- defaultFileName = getString(R.string.webpage_png);
- break;
- }
-
- // Create a string for the default file path.
- String defaultFilePath;
+ // Remove the incorrect warnings that the views might be null.
+ assert urlTextInputLayout != null;
+ assert urlEditText != null;
+ assert fileNameEditText != null;
+ assert browseButton != null;
+ assert fileSizeTextView != null;
+ assert fileExistsWarningTextView != null;
+ assert storagePermissionTextView != null;
+
+ // Set the file size text view.
+ fileSizeTextView.setText(fileSizeString);
+
+ // Modify the layout based on the save type.
+ if (saveType == StoragePermissionDialog.SAVE_URL) { // A URL is being saved.
+ // Remove the incorrect lint error below that the URL string might be null.
+ assert urlString != null;
+
+ // Populate the URL edit text according to the type. This must be done before the text change listener is created below so that the file size isn't requested again.
+ if (urlString.startsWith("data:")) { // The URL contains the entire data of an image.
+ // Get a substring of the data URL with the first 100 characters. Otherwise, the user interface will freeze while trying to layout the edit text.
+ String urlSubstring = urlString.substring(0, 100) + "…";
+
+ // Populate the URL edit text with the truncated URL.
+ urlEditText.setText(urlSubstring);
+
+ // Disable the editing of the URL edit text.
+ urlEditText.setInputType(InputType.TYPE_NULL);
+ } else { // The URL contains a reference to the location of the data.
+ // Populate the URL edit text with the full URL.
+ urlEditText.setText(urlString);
+ }
- // Set the default file path according to the storage permission state.
- if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted.
- // Set the default file path to use the external public directory.
- defaultFilePath = Environment.getExternalStorageDirectory() + "/" + defaultFileName;
- } else { // The storage permission has not been granted.
- // Set the default file path to use the external private directory.
- defaultFilePath = context.getExternalFilesDir(null) + "/" + defaultFileName;
+ // Update the file size and the status of the save button when the URL changes.
+ urlEditText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterTextChanged(Editable editable) {
+ // Cancel the get URL size AsyncTask if it is running.
+ if ((getUrlSize != null)) {
+ getUrlSize.cancel(true);
+ }
+
+ // Get the current URL to save.
+ String urlToSave = urlEditText.getText().toString();
+
+ // Wipe the file size text view.
+ fileSizeTextView.setText("");
+
+ // Get the file size for the current URL.
+ getUrlSize = new GetUrlSize(context, alertDialog, userAgentString, cookiesEnabled).execute(urlToSave);
+
+ // Enable the save button if the URL and file name are populated.
+ saveButton.setEnabled(!urlToSave.isEmpty() && !fileNameEditText.getText().toString().isEmpty());
+ }
+ });
+ } else { // An archive or an image is being saved.
+ // Hide the URL edit text and the file size text view.
+ urlTextInputLayout.setVisibility(View.GONE);
+ fileSizeTextView.setVisibility(View.GONE);
}
- // Display the default file path.
- fileNameEditText.setText(defaultFilePath);
-
// Update the status of the save button when the file name changes.
fileNameEditText.addTextChangedListener(new TextWatcher() {
@Override
@Override
public void afterTextChanged(Editable s) {
- // // Enable the save button if a file name exists.
- saveButton.setEnabled(!fileNameEditText.getText().toString().isEmpty());
+ // Get the current file name.
+ String fileNameString = fileNameEditText.getText().toString();
+
+ // Convert the file name string to a file.
+ File file = new File(fileNameString);
+
+ // Check to see if the file exists.
+ if (file.exists()) {
+ // Show the file exists warning.
+ fileExistsWarningTextView.setVisibility(View.VISIBLE);
+ } else {
+ // Hide the file exists warning.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ }
+
+ // Enable the save button based on the save type.
+ if (saveType == StoragePermissionDialog.SAVE_URL) { // A URL is being saved.
+ // Enable the save button if the file name and the URL is populated.
+ saveButton.setEnabled(!fileNameString.isEmpty() && !urlEditText.getText().toString().isEmpty());
+ } else { // An archive or an image is being saved.
+ // Enable the save button if the file name is populated.
+ saveButton.setEnabled(!fileNameString.isEmpty());
+ }
}
});
+ // Create a file name string.
+ String fileName = "";
+
+ // Set the file name according to the type.
+ switch (saveType) {
+ case StoragePermissionDialog.SAVE_URL:
+ // Use the file name from the content disposition.
+ fileName = contentDispositionFileNameString;
+ break;
+
+ case StoragePermissionDialog.SAVE_ARCHIVE:
+ // Use an archive name ending in `.mht`.
+ fileName = getString(R.string.webpage_mht);
+ break;
+
+ case StoragePermissionDialog.SAVE_IMAGE:
+ // Use a file name ending in `.png`.
+ fileName = getString(R.string.webpage_png);
+ break;
+ }
+
+ // Save the file name as the default file name. This must be final to be used in the lambda below.
+ final String defaultFileName = fileName;
+
+ // Instantiate the download location helper.
+ DownloadLocationHelper downloadLocationHelper = new DownloadLocationHelper();
+
+ // Get the default file path.
+ String defaultFilePath = downloadLocationHelper.getDownloadLocation(context) + "/" + defaultFileName;
+
+ // Populate the file name edit text.
+ fileNameEditText.setText(defaultFilePath);
+
+ // Move the cursor to the end of the default file path.
+ fileNameEditText.setSelection(defaultFilePath.length());
+
// Handle clicks on the browse button.
browseButton.setOnClickListener((View view) -> {
// Create the file picker intent.
browseIntent.setType("*/*");
// Set the initial file name according to the type.
- switch (saveType) {
- case ARCHIVE:
- browseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.webpage_mht));
- break;
-
- case IMAGE:
- browseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.webpage_png));
- break;
- }
+ browseIntent.putExtra(Intent.EXTRA_TITLE, defaultFileName);
// Set the initial directory if the minimum API >= 26.
if (Build.VERSION.SDK_INT >= 26) {
activity.startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_SAVE_WEBPAGE_REQUEST_CODE);
});
- // Hide the storage permission text view on API < 23 as permissions on older devices are automatically granted.
- if (Build.VERSION.SDK_INT < 23) {
+ // Hide the storage permission text view if the permission has already been granted.
+ if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
storagePermissionTextView.setVisibility(View.GONE);
}
projects / PrivacyBrowserAndroid.git / blobdiff