X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FEditBookmarkDatabaseViewDialog.kt;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FEditBookmarkDatabaseViewDialog.kt;h=57f764be844710cfcf724a9500c808864e51d469;hp=0000000000000000000000000000000000000000;hb=6bc00e202749ba0cb337be462825002ba74be8fc;hpb=9df712df3780161d77d10c6f3a2444bf8f218c99 diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDatabaseViewDialog.kt b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDatabaseViewDialog.kt new file mode 100644 index 00000000..57f764be --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDatabaseViewDialog.kt @@ -0,0 +1,440 @@ +/* + * Copyright © 2016-2020 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.AlertDialog +import android.app.Dialog +import android.content.Context +import android.content.DialogInterface +import android.database.Cursor +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.core.content.ContextCompat +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 + +class EditBookmarkDatabaseViewDialog: DialogFragment() { + // The public interface is used to send information back to the parent activity. + interface EditBookmarkDatabaseViewListener { + fun onSaveBookmark(dialogFragment: DialogFragment, selectedBookmarkDatabaseId: Int, favoriteIconBitmap: Bitmap) + } + + // Define the edit bookmark database view listener. + private lateinit var editBookmarkDatabaseViewListener: EditBookmarkDatabaseViewListener + + // Define the handles for the views that need to be accessed from `updateEditButton()`. + private lateinit var newIconRadioButton: RadioButton + private lateinit var nameEditText: EditText + private lateinit var urlEditText: EditText + private lateinit var folderSpinner: Spinner + private lateinit var displayOrderEditText: EditText + private lateinit var editButton: 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. + editBookmarkDatabaseViewListener = context as EditBookmarkDatabaseViewListener + } + + 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 bookmarkDatabaseId(databaseId: Int, favoriteIconBitmap: Bitmap): EditBookmarkDatabaseViewDialog { + // 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 editBookmarkDatabaseViewDialog = EditBookmarkDatabaseViewDialog() + + // Add the arguments bundle to the dialog. + editBookmarkDatabaseViewDialog.arguments = argumentsBundle + + // Return the new dialog. + return editBookmarkDatabaseViewDialog + } + } + + // `@SuppressLing("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 the arguments. + val arguments = requireArguments() + + // Get the bookmark database ID from the bundle. + val bookmarkDatabaseId = arguments.getInt("database_id") + + // Get the favorite icon byte array. + 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 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 bookmarkCursor = bookmarksDatabaseHelper.getBookmark(bookmarkDatabaseId) + + // Move the cursor to the first position. + bookmarkCursor.moveToFirst() + + // Get a handle for the shared preferences. + val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context) + + // Get the screenshot and theme preferences. + val allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false) + val darkTheme = sharedPreferences.getBoolean("dark_theme", false) + + // Use an alert dialog builder to create the dialog and set the style according to the theme. + val dialogBuilder = if (darkTheme) { + AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogDark) + } else { + AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogLight) + } + + // Set the title. + dialogBuilder.setTitle(R.string.edit_bookmark) + + // 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_databaseview_dialog, null)) + + // Set the listener for the cancel button. Using `null` as the listener closes the dialog without doing anything else. + dialogBuilder.setNegativeButton(R.string.cancel, null) + + // Set the listener for the save button. + dialogBuilder.setPositiveButton(R.string.save) { _: DialogInterface, _: Int -> + // Return the dialog fragment to the parent activity on save. + editBookmarkDatabaseViewListener.onSaveBookmark(this, bookmarkDatabaseId, favoriteIconBitmap) + } + + // Create an alert dialog from the alert dialog builder. + val alertDialog = dialogBuilder.create() + + // 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(R.id.edit_bookmark_database_id_textview) + val iconRadioGroup = alertDialog.findViewById(R.id.edit_bookmark_icon_radiogroup) + val currentIconImageView = alertDialog.findViewById(R.id.edit_bookmark_current_icon) + val newFavoriteIconImageView = alertDialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon) + newIconRadioButton = alertDialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon_radiobutton) + nameEditText = alertDialog.findViewById(R.id.edit_bookmark_name_edittext) + urlEditText = alertDialog.findViewById(R.id.edit_bookmark_url_edittext) + folderSpinner = alertDialog.findViewById(R.id.edit_bookmark_folder_spinner) + displayOrderEditText = alertDialog.findViewById(R.id.edit_bookmark_display_order_edittext) + editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE) + + // Store the current bookmark values. + val currentBookmarkName = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)) + val currentUrl = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)) + val currentDisplayOrder = bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) + + // Set the database ID. + databaseIdTextView.text = bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper._ID)).toString() + + // Get the current favorite icon byte array from the cursor. + val currentIconByteArray = bookmarkCursor.getBlob(bookmarkCursor.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) + + // Display the current icon bitmap. + currentIconImageView.setImageBitmap(currentIconBitmap) + + // Set the new favorite icon bitmap. + newFavoriteIconImageView.setImageBitmap(favoriteIconBitmap) + + // Populate the bookmark name and URL edit texts. + nameEditText.setText(currentBookmarkName) + urlEditText.setText(currentUrl) + + // Create an an array of column names for the matrix cursor comprised of the ID and the name. + val matrixCursorColumnNamesArray = arrayOf(BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME) + + // Create a matrix cursor based on the column names array. + val matrixCursor = MatrixCursor(matrixCursorColumnNamesArray) + + // Add `Home Folder` as the first entry in the matrix folder. + matrixCursor.addRow(arrayOf(BookmarksDatabaseViewActivity.HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder))) + + // Get a cursor with the list of all the folders. + val foldersCursor = bookmarksDatabaseHelper.allFolders + + // Combine the matrix cursor and the folders cursor. + val foldersMergeCursor = MergeCursor(arrayOf(matrixCursor, foldersCursor)) + + // Create a resource cursor adapter for the spinner. + val foldersCursorAdapter: ResourceCursorAdapter = object: ResourceCursorAdapter(context, R.layout.databaseview_spinner_item, foldersMergeCursor, 0) { + override fun bindView(view: View, context: Context, cursor: Cursor) { + // Get handles for the spinner views. + val spinnerItemImageView = view.findViewById(R.id.spinner_item_imageview) + val spinnerItemTextView = view.findViewById(R.id.spinner_item_textview) + + // Set the folder icon according to the type. + if (foldersMergeCursor.position == 0) { // The home folder. + // Set the gray folder image. `ContextCompat` must be used until the minimum API >= 21. + spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_gray)) + } else { // A user folder + // 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 folder cursor adapter drop drown view resource. + foldersCursorAdapter.setDropDownViewResource(R.layout.databaseview_spinner_dropdown_items) + + // Set the adapter for the folder spinner. + folderSpinner.adapter = foldersCursorAdapter + + // Get the parent folder name. + val parentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)) + + // 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. + val folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER))) + + // Initialize the parent folder position and the iteration variable. + var parentFolderPosition = 0 + var i = 0 + + // Find the parent folder position in folders cursor adapter. + do { + if (foldersCursorAdapter.getItemId(i) == folderDatabaseId.toLong()) { + // 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 currentFolderDatabaseId = folderSpinner.selectedItemId.toInt() + + // Populate the display order edit text. + displayOrderEditText.setText(bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)).toString()) + + // Initially disable the edit button. + editButton.isEnabled = false + + // Update the edit button if the icon selection changes. + iconRadioGroup.setOnCheckedChangeListener { _: RadioGroup, _: Int -> + // Update the edit button. + updateEditButton(currentBookmarkName, currentUrl, currentFolderDatabaseId, currentDisplayOrder) + } + + // Update the edit 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 edit button. + updateEditButton(currentBookmarkName, currentUrl, currentFolderDatabaseId, currentDisplayOrder) + } + }) + + // Update the edit button if the URL changes. + urlEditText.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 edit button. + updateEditButton(currentBookmarkName, currentUrl, currentFolderDatabaseId, currentDisplayOrder) + } + }) + + // Update the edit button if the folder changes. + folderSpinner.onItemSelectedListener = object: OnItemSelectedListener { + override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) { + // Update the edit button. + updateEditButton(currentBookmarkName, currentUrl, currentFolderDatabaseId, currentDisplayOrder) + } + + override fun onNothingSelected(parent: AdapterView<*>?) { + // Do nothing. + } + } + + // Update the edit 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 edit button. + updateEditButton(currentBookmarkName, currentUrl, currentFolderDatabaseId, currentDisplayOrder) + } + }) + + // Allow the enter key on the keyboard to save the bookmark from the bookmark name edit text. + nameEditText.setOnKeyListener { _: View, keyCode: Int, keyEvent: KeyEvent -> + // Check the key code, event, and button status. + if (keyEvent.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER && editButton.isEnabled) { // The enter key was pressed and the edit button is enabled. + // Trigger the listener and return the dialog fragment to the parent activity. + editBookmarkDatabaseViewListener.onSaveBookmark(this@EditBookmarkDatabaseViewDialog, bookmarkDatabaseId, favoriteIconBitmap) + + // Manually dismiss the alert dialog. + alertDialog.dismiss() + + // Consume the event. + return@setOnKeyListener true + } else { // If any other key was pressed, or if the edit 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 URL edit text. + urlEditText.setOnKeyListener { _: View, keyCode: Int, keyEvent: KeyEvent -> + // Check the key code, event, and button status. + if (keyEvent.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER && editButton.isEnabled) { // The enter key was pressed and the edit button is enabled. + // Trigger the listener and return the dialog fragment to the parent activity. + editBookmarkDatabaseViewListener.onSaveBookmark(this@EditBookmarkDatabaseViewDialog, bookmarkDatabaseId, favoriteIconBitmap) + + // Manually dismiss the alert dialog. + alertDialog.dismiss() + + // Consume the event. + return@setOnKeyListener true + } else { // If any other key was pressed, or if the edit 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, keyEvent: KeyEvent -> + // Check the key code, event, and button status. + if (keyEvent.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER && editButton.isEnabled) { // The enter key was pressed and the edit button is enabled. + // Trigger the listener and return the dialog fragment to the parent activity. + editBookmarkDatabaseViewListener.onSaveBookmark(this@EditBookmarkDatabaseViewDialog, bookmarkDatabaseId, favoriteIconBitmap) + + // Manually dismiss the alert dialog. + alertDialog.dismiss() + + // Consume the event. + return@setOnKeyListener true + } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event. + return@setOnKeyListener false + } + } + + // Return the alert dialog. + return alertDialog + } + + private fun updateEditButton(currentBookmarkName: String, currentUrl: String, currentFolderDatabaseId: Int, currentDisplayOrder: Int) { + // Get the values from the dialog. + val newName = nameEditText.text.toString() + val newUrl = urlEditText.text.toString() + val newFolderDatabaseId = folderSpinner.selectedItemId.toInt() + val newDisplayOrder = displayOrderEditText.text.toString() + + // Has the favorite icon changed? + val iconChanged = newIconRadioButton.isChecked + + // Has the name changed? + val nameChanged = (newName != currentBookmarkName) + + // Has the URL changed? + val urlChanged = (newUrl != currentUrl) + + // Has the folder changed? + val folderChanged = (newFolderDatabaseId != currentFolderDatabaseId) + + // 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. + editButton.isEnabled = (iconChanged || nameChanged || urlChanged || folderChanged || displayOrderChanged) && displayOrderNotEmpty + } +} \ No newline at end of file