X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FSaveWebpageDialog.java;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FSaveWebpageDialog.java;h=0000000000000000000000000000000000000000;hp=40fdbda6be5ecf81dd13777b33292bd69ebda03f;hb=031def95c6d9bfc14113fe86b4a5690233d93ce2;hpb=f3b9172adedd74f705ddc0beac80798ae84f2920 diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveWebpageDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveWebpageDialog.java deleted file mode 100644 index 40fdbda6..00000000 --- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveWebpageDialog.java +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Copyright © 2019-2021 Soren Stoutner . - * - * This file is part of Privacy Browser . - * - * Privacy Browser is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Privacy Browser is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Privacy Browser. If not, see . - */ - -package com.stoutner.privacybrowser.dialogs; - -import android.annotation.SuppressLint; -import android.app.Activity; -import android.app.Dialog; -import android.content.Context; -import android.content.DialogInterface; -import android.content.Intent; -import android.content.SharedPreferences; -import android.content.res.Configuration; -import android.os.AsyncTask; -import android.os.Bundle; -import android.text.Editable; -import android.text.InputType; -import android.text.TextWatcher; -import android.view.View; -import android.view.WindowManager; -import android.widget.Button; -import android.widget.EditText; -import android.widget.TextView; - -import androidx.annotation.NonNull; -import androidx.appcompat.app.AlertDialog; -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; - -public class SaveWebpageDialog extends DialogFragment { - public static final int SAVE_URL = 0; - public static final int SAVE_IMAGE = 1; - - // 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, 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. - @SuppressWarnings("rawtypes") - private AsyncTask getUrlSize; - - @Override - public void onAttach(@NonNull Context context) { - // Run the default commands. - super.onAttach(context); - - // Get a handle for the save webpage listener from the launching context. - saveWebpageListener = (SaveWebpageListener) context; - } - - 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 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(); - - // Add the arguments bundle to the new dialog. - saveWebpageDialog.setArguments(argumentsBundle); - - // Return the new dialog. - return saveWebpageDialog; - } - - // `@SuppressLint("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog. - @SuppressLint("InflateParams") - @Override - @NonNull - public Dialog onCreateDialog(Bundle savedInstanceState) { - // Get a handle for the arguments. - Bundle arguments = getArguments(); - - // Remove the incorrect lint warning that the arguments might be null. - assert arguments != null; - - // Get the arguments from the bundle. - int saveType = arguments.getInt("save_type"); - String originalUrlString = 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 handles for the context and the activity. - Context context = requireContext(); - Activity activity = requireActivity(); - - // Use an alert dialog builder to create the alert dialog. - AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialog); - - // Get the current theme status. - int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK; - - // Set the title and icon according to the save type. - switch (saveType) { - case SAVE_URL: - // Set the title. - dialogBuilder.setTitle(R.string.save_url); - - // Set the icon according to the theme. - if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { - dialogBuilder.setIcon(R.drawable.copy_enabled_day); - } else { - dialogBuilder.setIcon(R.drawable.copy_enabled_night); - } - break; - - case SAVE_IMAGE: - // Set the title. - dialogBuilder.setTitle(R.string.save_image); - - // Set the icon according to the theme. - if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { - dialogBuilder.setIcon(R.drawable.images_enabled_day); - } else { - - dialogBuilder.setIcon(R.drawable.images_enabled_night); - } - 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_webpage_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, originalUrlString, this); - }); - - // Create an alert dialog from the builder. - AlertDialog alertDialog = dialogBuilder.create(); - - // 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(getString(R.string.allow_screenshots_key), false); - - // Disable screenshots if not allowed. - if (!allowScreenshots) { - alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE); - } - - // The alert dialog must be shown before items in the layout can be modified. - 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); - Button saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE); - - // 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; - - // Set the file size text view. - fileSizeTextView.setText(fileSizeString); - - // Modify the layout based on the save type. - if (saveType == SAVE_URL) { // A URL is being saved. - // Remove the incorrect lint error below that the URL string might be null. - assert originalUrlString != 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 (originalUrlString.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 = originalUrlString.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(originalUrlString); - } - - // 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); - } - - // Initially disable the save button. - saveButton.setEnabled(false); - - // Update the status of the save button when the file name changes. - fileNameEditText.addTextChangedListener(new TextWatcher() { - @Override - public void beforeTextChanged(CharSequence s, int start, int count, int after) { - // Do nothing. - } - - @Override - public void onTextChanged(CharSequence s, int start, int before, int count) { - // Do nothing. - } - - @Override - public void afterTextChanged(Editable s) { - // Get the current file name. - String fileNameString = fileNameEditText.getText().toString(); - - // Enable the save button based on the save type. - if (saveType == 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 SAVE_URL: - // Use the file name from the content disposition. - fileName = contentDispositionFileNameString; - break; - - case 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; - - // Handle clicks on the browse button. - browseButton.setOnClickListener((View view) -> { - // Create the file picker intent. - Intent browseIntent = new Intent(Intent.ACTION_CREATE_DOCUMENT); - - // Set the intent MIME type to include all files so that everything is visible. - browseIntent.setType("*/*"); - - // Set the initial file name according to the type. - browseIntent.putExtra(Intent.EXTRA_TITLE, defaultFileName); - - // Request a file that can be opened. - browseIntent.addCategory(Intent.CATEGORY_OPENABLE); - - // Start the file picker. This must be started under `activity` so that the request code is returned correctly. - activity.startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_SAVE_WEBPAGE_REQUEST_CODE); - }); - - // Return the alert dialog. - return alertDialog; - } -} \ No newline at end of file