+++ /dev/null
-/*
- * Copyright © 2019-2021 Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser <https://www.stoutner.com/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 <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.dialogs
-
-import android.app.Dialog
-import android.content.Context
-import android.content.DialogInterface
-import android.content.Intent
-import android.net.Uri
-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.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
-
-// Define the class constants.
-private const val SAVE_TYPE = "save_type"
-private const val URL_STRING = "url_string"
-private const val FILE_SIZE_STRING = "file_size_string"
-private const val FILE_NAME_STRING = "file_name_string"
-private const val USER_AGENT_STRING = "user_agent_string"
-private const val COOKIES_ENABLED = "cookies_enabled"
-
-class SaveWebpageDialog : DialogFragment() {
- // Declare the class variables.
- private lateinit var saveWebpageListener: SaveWebpageListener
-
- // Define the class variables.
- private var getUrlSize: AsyncTask<*, *, *>? = null
-
- // The public interface is used to send information back to the parent activity.
- interface SaveWebpageListener {
- fun onSaveWebpage(saveType: Int, originalUrlString: String, dialogFragment: DialogFragment)
- }
-
- override fun onAttach(context: Context) {
- // Run the default commands.
- super.onAttach(context)
-
- // Get a handle for the save webpage listener from the launching context.
- saveWebpageListener = context as SaveWebpageListener
- }
-
- companion object {
- // Define the companion object constants. These can be moved to class constants once all of the code has transitioned to Kotlin.
- const val SAVE_URL = 0
- const val SAVE_ARCHIVE = 1
- const val SAVE_IMAGE = 2
-
- // `@JvmStatic` will no longer be required once all the code has transitioned to Kotlin.
- @JvmStatic
- fun saveWebpage(saveType: Int, urlString: String, fileSizeString: String?, fileNameString: String?, userAgentString: String?, cookiesEnabled: Boolean): SaveWebpageDialog {
- // Create an arguments bundle.
- val argumentsBundle = 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(FILE_NAME_STRING, fileNameString)
- argumentsBundle.putString(USER_AGENT_STRING, userAgentString)
- argumentsBundle.putBoolean(COOKIES_ENABLED, cookiesEnabled)
-
- // Create a new instance of the save webpage dialog.
- val saveWebpageDialog = SaveWebpageDialog()
-
- // Add the arguments bundle to the new dialog.
- saveWebpageDialog.arguments = argumentsBundle
-
- // Return the new dialog.
- return saveWebpageDialog
- }
- }
-
- override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
- // Get the arguments from the bundle.
- val saveType = requireArguments().getInt(SAVE_TYPE)
- val originalUrlString = requireArguments().getString(URL_STRING)!!
- val fileSizeString = requireArguments().getString(FILE_SIZE_STRING)
- var fileNameString = requireArguments().getString(FILE_NAME_STRING)
- val userAgentString = requireArguments().getString(USER_AGENT_STRING)
- val cookiesEnabled = requireArguments().getBoolean(COOKIES_ENABLED)
-
- // Use an alert dialog builder to create the alert dialog.
- val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
-
- // Configure the dialog according to the save type.
- when (saveType) {
- SAVE_URL -> {
- // Set the title.
- dialogBuilder.setTitle(R.string.save_url)
-
- // Set the icon according to the theme.
- dialogBuilder.setIconAttribute(R.attr.copyBlueIcon)
- }
-
- SAVE_ARCHIVE -> {
- // Set the title.
- dialogBuilder.setTitle(R.string.save_archive)
-
- // Set the icon according to the theme.
- dialogBuilder.setIconAttribute(R.attr.domStorageBlueIcon)
-
- // Convert the URL to a URI.
- val uri = Uri.parse(originalUrlString)
-
- // Build a file name string based on the host from the URI.
- fileNameString = uri.host + ".mht"
- }
-
- SAVE_IMAGE -> {
- // Set the title.
- dialogBuilder.setTitle(R.string.save_image)
-
- // Set the icon according to the theme.
- dialogBuilder.setIconAttribute(R.attr.imagesBlueIcon)
-
- // Convert the URL to a URI.
- val uri = Uri.parse(originalUrlString)
-
- // Build a file name string based on the host from the URI.
- fileNameString = uri.host + ".png"
- }
- }
-
- // Set the view.
- dialogBuilder.setView(R.layout.save_webpage_dialog)
-
- // 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, _: Int ->
- // Return the dialog fragment to the parent activity.
- saveWebpageListener.onSaveWebpage(saveType, originalUrlString, this)
- }
-
- // Create an alert dialog from the builder.
- val alertDialog = dialogBuilder.create()
-
- // Get a handle for the shared preferences.
- val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
-
- // Get the screenshot preference.
- val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.window!!.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.
- val urlTextInputLayout = alertDialog.findViewById<TextInputLayout>(R.id.url_textinputlayout)!!
- val urlEditText = alertDialog.findViewById<EditText>(R.id.url_edittext)!!
- val fileNameEditText = alertDialog.findViewById<EditText>(R.id.file_name_edittext)!!
- val browseButton = alertDialog.findViewById<Button>(R.id.browse_button)!!
- val fileSizeTextView = alertDialog.findViewById<TextView>(R.id.file_size_textview)!!
- val saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
-
- // Set the file size text view.
- fileSizeTextView.text = fileSizeString
-
- // Modify the layout based on the save type.
- if (saveType == SAVE_URL) { // A URL is being saved.
- // 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.
- val 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.inputType = 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(object : TextWatcher {
- override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {
- // Do nothing.
- }
-
- override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {
- // Do nothing.
- }
-
- override fun 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.
- val urlToSave = urlEditText.text.toString()
-
- // Wipe the file size text view.
- fileSizeTextView.text = ""
-
- // Get the file size for the current URL.
- getUrlSize = GetUrlSize(context, alertDialog, userAgentString, cookiesEnabled).execute(urlToSave)
-
- // Enable the save button if the URL and file name are populated.
- saveButton.isEnabled = urlToSave.isNotEmpty() && fileNameEditText.text.toString().isNotEmpty()
- }
- })
- } else { // An archive or an image is being saved.
- // Hide the URL edit text and the file size text view.
- urlTextInputLayout.visibility = View.GONE
- fileSizeTextView.visibility = View.GONE
- }
-
- // Initially disable the save button.
- saveButton.isEnabled = false
-
- // Update the status of the save button when the file name changes.
- fileNameEditText.addTextChangedListener(object : TextWatcher {
- override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
- // Do nothing.
- }
-
- override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
- // Do nothing.
- }
-
- override fun afterTextChanged(s: Editable) {
- // 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 are populated.
- saveButton.isEnabled = fileNameEditText.text.toString().isNotEmpty() && urlEditText.text.toString().isNotEmpty()
- } else { // An archive or an image is being saved.
- // Enable the save button if the file name is populated.
- saveButton.isEnabled = fileNameEditText.text.toString().isNotEmpty()
- }
- }
- })
-
- // Handle clicks on the browse button.
- browseButton.setOnClickListener {
- // Create the file picker intent.
- val browseIntent = Intent(Intent.ACTION_CREATE_DOCUMENT)
-
- // Set the intent MIME type to include all files so that everything is visible.
- browseIntent.type = "*/*"
-
- // Set the initial file name according to the type.
- browseIntent.putExtra(Intent.EXTRA_TITLE, fileNameString)
-
- // 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.
- requireActivity().startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_SAVE_WEBPAGE_REQUEST_CODE)
- }
-
- // Return the alert dialog.
- return alertDialog
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff