--- /dev/null
+/*
+ * Copyright © 2016-2020 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.annotation.SuppressLint
+import android.app.Dialog
+import android.content.Context
+import android.content.DialogInterface
+import android.database.Cursor
+import android.database.DatabaseUtils
+import android.database.MatrixCursor
+import android.database.MergeCursor
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.view.KeyEvent
+import android.view.View
+import android.view.WindowManager
+import android.widget.*
+import android.widget.AdapterView.OnItemSelectedListener
+
+import androidx.appcompat.app.AlertDialog
+import androidx.core.content.ContextCompat
+import androidx.cursoradapter.widget.ResourceCursorAdapter
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.activities.BookmarksDatabaseViewActivity
+import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper
+
+import java.io.ByteArrayOutputStream
+
+// Declare the class constants.
+private const val DATABASE_ID = "database_id"
+private const val FAVORITE_ICON_BYTE_ARRAY = "favorite_icon_byte_array"
+
+class EditBookmarkFolderDatabaseViewDialog: DialogFragment() {
+ // The public interface is used to send information back to the parent activity.
+ interface EditBookmarkFolderDatabaseViewListener {
+ fun onSaveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int, favoriteIconBitmap: Bitmap)
+ }
+
+ // Declare the class variables.
+ private lateinit var editBookmarkFolderDatabaseViewListener: EditBookmarkFolderDatabaseViewListener
+
+ // Declare the class views.
+ private lateinit var nameEditText: EditText
+ private lateinit var folderSpinner: Spinner
+ private lateinit var displayOrderEditText: EditText
+ private lateinit var currentIconRadioButton: RadioButton
+ private lateinit var saveButton: Button
+
+ override fun onAttach(context: Context) {
+ // Run the default commands.
+ super.onAttach(context)
+
+ // Get a handle for edit bookmark database view listener from the launching context.
+ editBookmarkFolderDatabaseViewListener = context as EditBookmarkFolderDatabaseViewListener
+ }
+
+ companion object {
+ // `@JvmStatic` will no longer be required once all the code has transitioned to Kotlin. Also, the function can then be moved out of a companion object and just become a package-level function.
+ @JvmStatic
+ fun folderDatabaseId(databaseId: Int, favoriteIconBitmap: Bitmap): EditBookmarkFolderDatabaseViewDialog {
+ // Create a favorite icon byte array output stream.
+ val favoriteIconByteArrayOutputStream = ByteArrayOutputStream()
+
+ // Convert the favorite icon to a PNG and place it in the byte array output stream. `0` is for lossless compression (the only option for a PNG).
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream)
+
+ // Convert the byte array output stream to a byte array.
+ val favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray()
+
+ // Create an arguments bundle.
+ val argumentsBundle = Bundle()
+
+ // Store the variables in the bundle.
+ argumentsBundle.putInt(DATABASE_ID, databaseId)
+ argumentsBundle.putByteArray(FAVORITE_ICON_BYTE_ARRAY, favoriteIconByteArray)
+
+ // Create a new instance of the dialog.
+ val editBookmarkFolderDatabaseViewDialog = EditBookmarkFolderDatabaseViewDialog()
+
+ // Add the arguments bundle to the dialog.
+ editBookmarkFolderDatabaseViewDialog.arguments = argumentsBundle
+
+ // Return the new dialog.
+ return editBookmarkFolderDatabaseViewDialog
+ }
+ }
+
+ // `@SuppressLint("InflateParams")` removes the warning about using `null` as the parent view group when inflating the alert dialog.
+ @SuppressLint("InflateParams")
+ override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+ // Get a handle for the arguments.
+ val arguments = requireArguments()
+
+ // Get the variables from the arguments.
+ val folderDatabaseId = arguments.getInt(DATABASE_ID)
+ val favoriteIconByteArray = arguments.getByteArray(FAVORITE_ICON_BYTE_ARRAY)!!
+
+ // Convert the favorite icon byte array to a bitmap.
+ val favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.size)
+
+ // Initialize the bookmarks database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
+ val bookmarksDatabaseHelper = BookmarksDatabaseHelper(context, null, null, 0)
+
+ // Get a cursor with the selected bookmark.
+ val folderCursor = bookmarksDatabaseHelper.getBookmark(folderDatabaseId)
+
+ // Move the cursor to the first position.
+ folderCursor.moveToFirst()
+
+ // Use an alert dialog builder to create the alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.edit_folder)
+
+ // Set the view. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(requireActivity().layoutInflater.inflate(R.layout.edit_bookmark_folder_databaseview_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?, _: Int ->
+ // Return the dialog fragment to the parent activity.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap)
+ }
+
+ // Create an alert dialog from the alert dialog 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 databaseIdTextView = alertDialog.findViewById<TextView>(R.id.edit_folder_database_id_textview)!!
+ val iconRadioGroup = alertDialog.findViewById<RadioGroup>(R.id.edit_folder_icon_radiogroup)!!
+ val currentIconImageView = alertDialog.findViewById<ImageView>(R.id.edit_folder_current_icon_imageview)!!
+ val newFavoriteIconImageView = alertDialog.findViewById<ImageView>(R.id.edit_folder_webpage_favorite_icon_imageview)!!
+ currentIconRadioButton = alertDialog.findViewById(R.id.edit_folder_current_icon_radiobutton)!!
+ nameEditText = alertDialog.findViewById(R.id.edit_folder_name_edittext)!!
+ folderSpinner = alertDialog.findViewById(R.id.edit_folder_parent_folder_spinner)!!
+ displayOrderEditText = alertDialog.findViewById(R.id.edit_folder_display_order_edittext)!!
+ saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
+
+ // Store the current folder values.
+ val currentFolderName = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME))
+ val currentDisplayOrder = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER))
+ val parentFolder = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER))
+
+ // Populate the database ID text view.
+ databaseIdTextView.text = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID)).toString()
+
+ // Get the current favorite icon byte array from the cursor.
+ val currentIconByteArray = folderCursor.getBlob(folderCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON))
+
+ // Convert the byte array to a bitmap beginning at the first byte and ending at the last.
+ val currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.size)
+
+ // Populate the current icon image view.
+ currentIconImageView.setImageBitmap(currentIconBitmap)
+
+ // Populate the new favorite icon image view.
+ newFavoriteIconImageView.setImageBitmap(favoriteIconBitmap)
+
+ // Populate the folder name edit text.
+ nameEditText.setText(currentFolderName)
+
+ // Define an array of matrix cursor column names.
+ val matrixCursorColumnNames = arrayOf(BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME)
+
+ // Create a matrix cursor.
+ val matrixCursor = MatrixCursor(matrixCursorColumnNames)
+
+ // Add `Home Folder` to the matrix cursor.
+ matrixCursor.addRow(arrayOf(BookmarksDatabaseViewActivity.HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)))
+
+ // Get a string of the current folder and all subfolders.
+ val currentAndSubfolderString = getStringOfSubfolders(currentFolderName, bookmarksDatabaseHelper)
+
+ // Get a cursor with the list of all the folders.
+ val foldersCursor = bookmarksDatabaseHelper.getFoldersExcept(currentAndSubfolderString)
+
+ // Combine the matrix cursor and the folders cursor.
+ val combinedFoldersCursor = MergeCursor(arrayOf(matrixCursor, foldersCursor))
+
+ // Create a resource cursor adapter for the spinner.
+ val foldersCursorAdapter: ResourceCursorAdapter = object: ResourceCursorAdapter(context, R.layout.databaseview_spinner_item, combinedFoldersCursor, 0) {
+ override fun bindView(view: View, context: Context, cursor: Cursor) {
+ // Get handles for the spinner views.
+ val spinnerItemImageView = view.findViewById<ImageView>(R.id.spinner_item_imageview)
+ val spinnerItemTextView = view.findViewById<TextView>(R.id.spinner_item_textview)
+
+ // Set the folder icon according to the type.
+ if (combinedFoldersCursor.position == 0) { // Set the `Home Folder` icon.
+ // Set the gray folder image. `ContextCompat` must be used until the minimum API >= 21.
+ spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_gray))
+ } else { // Set a user folder icon.
+ // Get the folder icon byte array.
+ val folderIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON))
+
+ // Convert the byte array to a bitmap beginning at the first byte and ending at the last.
+ val folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.size)
+
+ // Set the folder icon.
+ spinnerItemImageView.setImageBitmap(folderIconBitmap)
+ }
+
+ // Set the text view to display the folder name.
+ spinnerItemTextView.text = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME))
+ }
+ }
+
+ // Set the folders cursor adapter drop drown view resource.
+ foldersCursorAdapter.setDropDownViewResource(R.layout.databaseview_spinner_dropdown_items)
+
+ // Set the adapter for the folder `Spinner`.
+ folderSpinner.adapter = foldersCursorAdapter
+
+ // Select the current folder in the spinner if the bookmark isn't in the "Home Folder".
+ if (parentFolder != "") {
+ // Get the database ID of the parent folder as a long.
+ val parentFolderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER))).toLong()
+
+ // Initialize the parent folder position and the iteration variable.
+ var parentFolderPosition = 0
+ var i = 0
+
+ // Find the parent folder position in the folders cursor adapter.
+ do {
+ if (foldersCursorAdapter.getItemId(i) == parentFolderDatabaseId) {
+ // Store the current position for the parent folder.
+ parentFolderPosition = i
+ } else {
+ // Try the next entry.
+ i++
+ }
+ // Stop when the parent folder position is found or all the items in the folders cursor adapter have been checked.
+ } while (parentFolderPosition == 0 && i < foldersCursorAdapter.count)
+
+ // Select the parent folder in the spinner.
+ folderSpinner.setSelection(parentFolderPosition)
+ }
+
+ // Store the current folder database ID.
+ val currentParentFolderDatabaseId = folderSpinner.selectedItemId.toInt()
+
+ // Populate the display order edit text.
+ displayOrderEditText.setText(folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)).toString())
+
+ // Initially disable the edit button.
+ saveButton.isEnabled = false
+
+ // Update the save button if the icon selection changes.
+ iconRadioGroup.setOnCheckedChangeListener { _: RadioGroup?, _: Int ->
+ // Update the save button.
+ updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+ }
+
+ // Update the save button if the bookmark name changes.
+ nameEditText.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) {
+ // Update the save button.
+ updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+ }
+ })
+
+ // Update the save button if the folder changes.
+ folderSpinner.onItemSelectedListener = object: OnItemSelectedListener {
+ override fun onItemSelected(parent: AdapterView<*>?, view: View, position: Int, id: Long) {
+ // Update the save button.
+ updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+ }
+
+ override fun onNothingSelected(parent: AdapterView<*>?) {
+ // Do nothing.
+ }
+ }
+
+ // Update the save button if the display order changes.
+ displayOrderEditText.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) {
+ // Update the save button.
+ updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+ }
+ })
+
+ // Allow the enter key on the keyboard to save the bookmark from the bookmark name edit text.
+ nameEditText.setOnKeyListener { _: View?, keyCode: Int, event: KeyEvent ->
+ // Check the key code, event, and button status.
+ if (event.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER && saveButton.isEnabled) { // The enter key was pressed and the save button is enabled.
+ // Trigger the listener and return the dialog fragment to the parent activity.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap)
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss()
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // If any other key was pressed, or if the save button is currently disabled, do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Allow the enter key on the keyboard to save the bookmark from the display order edit text.
+ displayOrderEditText.setOnKeyListener { _: View?, keyCode: Int, event: KeyEvent ->
+ // Check the key code, event, and button status.
+ if (event.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER && saveButton.isEnabled) { // The enter key was pressed and the save button is enabled.
+ // Trigger the listener and return the dialog fragment to the parent activity.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap)
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss()
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // If any other key was pressed, or if the save button is currently disabled, do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Return the alert dialog.
+ return alertDialog
+ }
+
+ private fun updateSaveButton(bookmarksDatabaseHelper: BookmarksDatabaseHelper, currentFolderName: String, currentParentFolderDatabaseId: Int, currentDisplayOrder: Int) {
+ // Get the values from the views.
+ val newFolderName = nameEditText.text.toString()
+ val newParentFolderDatabaseId = folderSpinner.selectedItemId.toInt()
+ val newDisplayOrder = displayOrderEditText.text.toString()
+
+ // Get a cursor for the new folder name if it exists.
+ val folderExistsCursor = bookmarksDatabaseHelper.getFolder(newFolderName)
+
+ // Is the new folder name empty?
+ val folderNameNotEmpty = newFolderName.isNotEmpty()
+
+ // Does the folder name already exist?
+ val folderNameAlreadyExists = (newFolderName != currentFolderName) && folderExistsCursor.count > 0
+
+ // Has the favorite icon changed?
+ val iconChanged = !currentIconRadioButton.isChecked
+
+ // Has the folder been renamed?
+ val folderRenamed = (newFolderName != currentFolderName) && !folderNameAlreadyExists
+
+ // Has the parent folder changed?
+ val parentFolderChanged = newParentFolderDatabaseId != currentParentFolderDatabaseId
+
+ // Has the display order changed?
+ val displayOrderChanged = newDisplayOrder != currentDisplayOrder.toString()
+
+ // Is the display order empty?
+ val displayOrderNotEmpty = newDisplayOrder.isNotEmpty()
+
+ // Update the enabled status of the edit button.
+ saveButton.isEnabled = (iconChanged || folderRenamed || parentFolderChanged || displayOrderChanged) && folderNameNotEmpty && displayOrderNotEmpty
+ }
+
+ private fun getStringOfSubfolders(folderName: String, bookmarksDatabaseHelper: BookmarksDatabaseHelper): String {
+ // Get a cursor will all the immediate subfolders.
+ val subfoldersCursor = bookmarksDatabaseHelper.getSubfolders(folderName)
+
+ // Initialize the subfolder string builder and populate it with the current folder.
+ val currentAndSubfolderStringBuilder = StringBuilder(DatabaseUtils.sqlEscapeString(folderName))
+
+ // Populate the subfolder string builder
+ for (i in 0 until subfoldersCursor.count) {
+ // Move the subfolder cursor to the current item.
+ subfoldersCursor.moveToPosition(i)
+
+ // Get the name of the subfolder.
+ val subfolderName = subfoldersCursor.getString(subfoldersCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME))
+
+ // Add a comma to the end of the existing string.
+ currentAndSubfolderStringBuilder.append(",")
+
+ // Get the folder name and run the task for any subfolders.
+ val subfolderString = getStringOfSubfolders(subfolderName, bookmarksDatabaseHelper)
+
+ // Add the folder name to the string builder.
+ currentAndSubfolderStringBuilder.append(subfolderString)
+ }
+
+ // Return the string of folders.
+ return currentAndSubfolderStringBuilder.toString()
+ }
+}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff