--- /dev/null
+/*
+ * Copyright 2016-2023 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
+ *
+ * Privacy Browser Android 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 Android 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 Android. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.activities
+
+import android.content.Context
+import android.database.Cursor
+import android.database.MatrixCursor
+import android.database.MergeCursor
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Typeface
+import android.graphics.drawable.BitmapDrawable
+import android.os.Bundle
+import android.view.ActionMode
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.view.Window
+import android.view.WindowManager
+import android.widget.AbsListView.MultiChoiceModeListener
+import android.widget.AdapterView
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.ListView
+import android.widget.RadioButton
+import android.widget.Spinner
+import android.widget.TextView
+
+import androidx.activity.OnBackPressedCallback
+import androidx.appcompat.app.ActionBar
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.appcompat.widget.Toolbar
+import androidx.cursoradapter.widget.CursorAdapter
+import androidx.cursoradapter.widget.ResourceCursorAdapter
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.google.android.material.snackbar.Snackbar
+
+import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.dialogs.EditBookmarkDatabaseViewDialog.Companion.bookmarkDatabaseId
+import com.stoutner.privacybrowser.dialogs.EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener
+import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDatabaseViewDialog.Companion.folderDatabaseId
+import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener
+import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper
+
+import java.io.ByteArrayOutputStream
+
+import java.util.Arrays
+
+// Define the private class constants.
+private const val ALL_FOLDERS_DATABASE_ID = -2
+private const val CURRENT_FOLDER_DATABASE_ID = "current_folder_database_id"
+private const val CURRENT_FOLDER_NAME = "current_folder_name"
+private const val SORT_BY_DISPLAY_ORDER = "sort_by_display_order"
+
+class BookmarksDatabaseViewActivity : AppCompatActivity(), EditBookmarkDatabaseViewListener, EditBookmarkFolderDatabaseViewListener {
+ companion object {
+ // Define the public class constants.
+ const val HOME_FOLDER_DATABASE_ID = -1
+ }
+
+ // Define the class variables.
+ private var closeActivityAfterDismissingSnackbar = false
+ private var currentFolderDatabaseId = 0
+ private var bookmarksCursorAdapter: CursorAdapter? = null
+ private var bookmarksDeletedSnackbar: Snackbar? = null
+ private var sortByDisplayOrder = false
+
+ // Declare the class variables.
+ private lateinit var bookmarksCursor: Cursor
+ private lateinit var bookmarksDatabaseHelper: BookmarksDatabaseHelper
+ private lateinit var bookmarksListView: ListView
+ private lateinit var currentFolderName: String
+ private lateinit var oldFolderNameString: String
+
+ public override fun onCreate(savedInstanceState: Bundle?) {
+ // Get a handle for the shared preferences.
+ val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
+
+ // Get the preferences.
+ val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
+ val bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false)
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ window.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+ }
+
+ // Run the default commands.
+ super.onCreate(savedInstanceState)
+
+ // Get the favorite icon byte array.
+ val favoriteIconByteArray = intent.getByteArrayExtra(CURRENT_FAVORITE_ICON_BYTE_ARRAY)!!
+
+ // Convert the favorite icon byte array to a bitmap and store it in a class variable.
+ val favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.size)
+
+ // Set the view according to the theme.
+ if (bottomAppBar) {
+ // Set the content view.
+ setContentView(R.layout.bookmarks_databaseview_bottom_appbar)
+ } else {
+ // `Window.FEATURE_ACTION_MODE_OVERLAY` makes the contextual action mode cover the support action bar. It must be requested before the content is set.
+ supportRequestWindowFeature(Window.FEATURE_ACTION_MODE_OVERLAY)
+
+ // Set the content view.
+ setContentView(R.layout.bookmarks_databaseview_top_appbar)
+ }
+
+ // Get a handle for the toolbar.
+ val toolbar = findViewById<Toolbar>(R.id.bookmarks_databaseview_toolbar)
+ val bookmarksListView = findViewById<ListView>(R.id.bookmarks_databaseview_listview)
+
+ // Set the support action bar.
+ setSupportActionBar(toolbar)
+
+ // Get a handle for the app bar.
+ val appBar = supportActionBar!!
+
+ // Set the app bar custom view.
+ appBar.setCustomView(R.layout.spinner)
+
+ // Display the back arrow in the app bar.
+ appBar.displayOptions = ActionBar.DISPLAY_SHOW_CUSTOM or ActionBar.DISPLAY_HOME_AS_UP
+
+ // Control what the system back command does.
+ val onBackPressedCallback: OnBackPressedCallback = object : OnBackPressedCallback(true) {
+ override fun handleOnBackPressed() {
+ // Prepare to finish the activity.
+ prepareFinish()
+ }
+ }
+
+ // Register the on back pressed callback.
+ onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
+
+ // Initialize the database handler.
+ bookmarksDatabaseHelper = BookmarksDatabaseHelper(this)
+
+ // Create a matrix cursor column name string array.
+ val matrixCursorColumnNames = arrayOf(BookmarksDatabaseHelper.ID, BookmarksDatabaseHelper.BOOKMARK_NAME)
+
+ // Setup the matrix cursor.
+ MatrixCursor(matrixCursorColumnNames).use { matrixCursor ->
+ // Add "All Folders" and "Home Folder" to the matrix cursor.
+ matrixCursor.addRow(arrayOf<Any>(ALL_FOLDERS_DATABASE_ID, getString(R.string.all_folders)))
+ matrixCursor.addRow(arrayOf<Any>(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))
+
+ // Get the default folder bitmap.
+ val defaultFolderDrawable = AppCompatResources.getDrawable(this, R.drawable.folder_blue_bitmap)
+
+ // Cast the default folder drawable to a bitmap drawable.
+ val defaultFolderBitmapDrawable = (defaultFolderDrawable as BitmapDrawable)
+
+ // Convert the default folder bitmap drawable to a bitmap.
+ val defaultFolderBitmap = defaultFolderBitmapDrawable.bitmap
+
+ // Create a resource cursor adapter for the spinner.
+ val foldersCursorAdapter: ResourceCursorAdapter = object : ResourceCursorAdapter(this, R.layout.appbar_spinner_item, foldersMergeCursor, 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 (foldersMergeCursor.position > 1) { // Set a user folder icon.
+ // Initialize a default folder icon byte array output stream.
+ val defaultFolderIconByteArrayOutputStream = ByteArrayOutputStream()
+
+ // Covert the default folder bitmap to a PNG and store it in the output stream. `0` is for lossless compression (the only option for a PNG).
+ defaultFolderBitmap.compress(Bitmap.CompressFormat.PNG, 0, defaultFolderIconByteArrayOutputStream)
+
+ // Convert the default folder icon output stream to a byte array.
+ val defaultFolderIconByteArray = defaultFolderIconByteArrayOutputStream.toByteArray()
+
+ // Get the folder icon byte array from the cursor.
+ val folderIconByteArray = cursor.getBlob(cursor.getColumnIndexOrThrow(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 icon according to the type.
+ if (Arrays.equals(folderIconByteArray, defaultFolderIconByteArray)) { // The default folder icon is used.
+ // Set a smaller and darker folder icon, which works well with the spinner.
+ spinnerItemImageView.setImageDrawable(AppCompatResources.getDrawable(context, R.drawable.folder_dark_blue))
+ } else { // A custom folder icon is uses.
+ // Set the folder image stored in the cursor.
+ spinnerItemImageView.setImageBitmap(folderIconBitmap)
+ }
+ } else { // Set the `All Folders` or `Home Folder` icon.
+ // Set the gray folder image.
+ spinnerItemImageView.setImageDrawable(AppCompatResources.getDrawable(context, R.drawable.folder_gray))
+ }
+
+ // Set the text view to display the folder name.
+ spinnerItemTextView.text = cursor.getString(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
+ }
+ }
+
+ // Set the resource cursor adapter drop drown view resource.
+ foldersCursorAdapter.setDropDownViewResource(R.layout.appbar_spinner_dropdown_item)
+
+ // Get a handle for the folder spinner.
+ val folderSpinner = findViewById<Spinner>(R.id.spinner)
+
+ // Set the folder spinner adapter.
+ folderSpinner.adapter = foldersCursorAdapter
+
+ // Wait to set the on item selected listener until the spinner has been inflated. Otherwise the activity will crash on restart.
+ folderSpinner.post {
+ // Handle taps on the spinner dropdown.
+ folderSpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+ override fun onItemSelected(parent: AdapterView<*>?, view: View, position: Int, id: Long) {
+ // Store the current folder database ID.
+ currentFolderDatabaseId = id.toInt()
+
+ // Get a handle for the selected view.
+ val selectedFolderTextView = findViewById<TextView>(R.id.spinner_item_textview)
+
+ // Store the current folder name.
+ currentFolderName = selectedFolderTextView.text.toString()
+
+ // Update the list view.
+ updateBookmarksListView()
+ }
+
+ override fun onNothingSelected(parent: AdapterView<*>?) {
+ // Do nothing.
+ }
+ }
+ }
+
+ // Check to see if the activity was restarted.
+ if (savedInstanceState == null) { // The activity was not restarted.
+ // Set the default current folder database ID.
+ currentFolderDatabaseId = ALL_FOLDERS_DATABASE_ID
+ } else { // The activity was restarted.
+ // Restore the class variables from the saved instance state.
+ currentFolderDatabaseId = savedInstanceState.getInt(CURRENT_FOLDER_DATABASE_ID)
+ currentFolderName = savedInstanceState.getString(CURRENT_FOLDER_NAME)!!
+ sortByDisplayOrder = savedInstanceState.getBoolean(SORT_BY_DISPLAY_ORDER)
+
+ // Update the spinner if the home folder is selected. Android handles this by default for the main cursor but not the matrix cursor.
+ if (currentFolderDatabaseId == HOME_FOLDER_DATABASE_ID) {
+ folderSpinner.setSelection(1)
+ }
+ }
+
+ // Update the bookmarks listview.
+ updateBookmarksListView()
+
+ // Setup a cursor adapter.
+ bookmarksCursorAdapter = object : CursorAdapter(this, bookmarksCursor, false) {
+ override fun newView(context: Context, cursor: Cursor, parent: ViewGroup): View {
+ // Inflate the individual item layout. `false` does not attach it to the root.
+ return layoutInflater.inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false)
+ }
+
+ override fun bindView(view: View, context: Context, cursor: Cursor) {
+ // Get handles for the views.
+ val bookmarkDatabaseIdTextView = view.findViewById<TextView>(R.id.bookmarks_databaseview_database_id)
+ val bookmarkFavoriteIcon = view.findViewById<ImageView>(R.id.bookmarks_databaseview_favorite_icon)
+ val bookmarkNameTextView = view.findViewById<TextView>(R.id.bookmarks_databaseview_bookmark_name)
+ val bookmarkUrlTextView = view.findViewById<TextView>(R.id.bookmarks_databaseview_bookmark_url)
+ val bookmarkDisplayOrderTextView = view.findViewById<TextView>(R.id.bookmarks_databaseview_display_order)
+ val parentFolderImageView = view.findViewById<ImageView>(R.id.bookmarks_databaseview_parent_folder_icon)
+ val bookmarkParentFolderTextView = view.findViewById<TextView>(R.id.bookmarks_databaseview_parent_folder)
+
+ // Get the information from the cursor.
+ val bookmarkDatabaseId = cursor.getInt(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.ID))
+ val bookmarkFavoriteIconByteArray = cursor.getBlob(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.FAVORITE_ICON))
+ val bookmarkNameString = cursor.getString(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
+ val bookmarkUrlString = cursor.getString(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_URL))
+ val bookmarkDisplayOrder = cursor.getInt(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.DISPLAY_ORDER))
+ val bookmarkParentFolder = cursor.getString(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.PARENT_FOLDER))
+
+ // Convert the byte array to a `Bitmap` beginning at the beginning at the first byte and ending at the last.
+ val bookmarkFavoriteIconBitmap = BitmapFactory.decodeByteArray(bookmarkFavoriteIconByteArray, 0, bookmarkFavoriteIconByteArray.size)
+
+ // Populate the views.
+ bookmarkDatabaseIdTextView.text = bookmarkDatabaseId.toString()
+ bookmarkFavoriteIcon.setImageBitmap(bookmarkFavoriteIconBitmap)
+ bookmarkNameTextView.text = bookmarkNameString
+ bookmarkUrlTextView.text = bookmarkUrlString
+ bookmarkDisplayOrderTextView.text = bookmarkDisplayOrder.toString()
+
+ // Check to see if the bookmark is a folder.
+ if (cursor.getInt(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The bookmark is a folder.
+ // Make the font bold. When the first argument is null the font is not changed.
+ bookmarkNameTextView.setTypeface(null, Typeface.BOLD)
+
+ // Hide the URL.
+ bookmarkUrlTextView.visibility = View.GONE
+ } else { // The bookmark is not a folder.
+ // Reset the font to default.
+ bookmarkNameTextView.typeface = Typeface.DEFAULT
+
+ // Show the URL.
+ bookmarkUrlTextView.visibility = View.VISIBLE
+ }
+
+ // Make the folder name gray if it is the home folder.
+ if (bookmarkParentFolder.isEmpty()) { // The bookmark is in the home folder.
+ // Get the home folder icon.
+ parentFolderImageView.setImageDrawable(AppCompatResources.getDrawable(applicationContext, R.drawable.folder_gray))
+
+ // Set the parent folder text to be `Home Folder`.
+ bookmarkParentFolderTextView.setText(R.string.home_folder)
+
+ // Set the home folder text to be gray.
+ bookmarkParentFolderTextView.setTextColor(getColor(R.color.gray_500))
+ } else { // The bookmark is in a subfolder.
+ // Get the parent folder icon.
+ parentFolderImageView.setImageDrawable(AppCompatResources.getDrawable(applicationContext, R.drawable.folder_dark_blue))
+
+ // Set the parent folder name.
+ bookmarkParentFolderTextView.text = bookmarkParentFolder
+
+ // Set the parent folder text color.
+ bookmarkParentFolderTextView.setTextColor(getColor(R.color.parent_folder_text))
+ }
+ }
+ }
+
+ // Update the ListView.
+ bookmarksListView.adapter = bookmarksCursorAdapter
+
+ // Set a listener to edit a bookmark when it is tapped.
+ bookmarksListView.onItemClickListener = AdapterView.OnItemClickListener { _: AdapterView<*>?, _: View?, _: Int, id: Long ->
+ // Convert the database ID to an int.
+ val databaseId = id.toInt()
+
+ // Show the edit bookmark or edit bookmark folder dialog.
+ if (bookmarksDatabaseHelper.isFolder(databaseId)) {
+ // Save the current folder name, which is used in `onSaveBookmarkFolder()`.
+ oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
+
+ // Instantiate the edit bookmark folder dialog.
+ val editBookmarkFolderDatabaseViewDialog: DialogFragment = folderDatabaseId(databaseId, favoriteIconBitmap)
+
+ // Make it so.
+ editBookmarkFolderDatabaseViewDialog.show(supportFragmentManager, resources.getString(R.string.edit_folder))
+ } else {
+ // Instantiate the edit bookmark dialog.
+ val editBookmarkDatabaseViewDialog: DialogFragment = bookmarkDatabaseId(databaseId, favoriteIconBitmap)
+
+ // Make it so.
+ editBookmarkDatabaseViewDialog.show(supportFragmentManager, resources.getString(R.string.edit_bookmark))
+ }
+ }
+
+ // Handle long presses on the list view.
+ bookmarksListView.setMultiChoiceModeListener(object : MultiChoiceModeListener {
+ // Instantiate the common variables.
+ private lateinit var selectAllMenuItem: MenuItem
+ private lateinit var deleteMenuItem: MenuItem
+ private var deletingBookmarks = false
+
+ override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
+ // Inflate the menu for the contextual app bar.
+ menuInflater.inflate(R.menu.bookmarks_databaseview_context_menu, menu)
+
+ // Get handles for the menu items.
+ selectAllMenuItem = menu.findItem(R.id.select_all)
+ deleteMenuItem = menu.findItem(R.id.delete)
+
+ // Disable the delete menu item if a delete is pending.
+ deleteMenuItem.isEnabled = !deletingBookmarks
+
+ // Get the number of currently selected bookmarks.
+ val numberOfSelectedBookmarks = bookmarksListView.checkedItemCount
+
+ // Set the title.
+ mode.setTitle(R.string.bookmarks)
+
+ // Set the action mode subtitle according to the number of selected bookmarks. This must be set here or it will be missing if the activity is restarted.
+ mode.subtitle = getString(R.string.selected, numberOfSelectedBookmarks)
+
+ // Do not show the select all menu item if all the bookmarks are already checked.
+ if (numberOfSelectedBookmarks == bookmarksListView.count)
+ selectAllMenuItem.isVisible = false
+
+ // Make it so.
+ return true
+ }
+
+ override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
+ // Do nothing.
+ return false
+ }
+
+ override fun onItemCheckedStateChanged(mode: ActionMode, position: Int, id: Long, checked: Boolean) {
+ // Calculate the number of selected bookmarks.
+ val numberOfSelectedBookmarks = bookmarksListView.checkedItemCount
+
+ // Only run the commands if at least one bookmark is selected. Otherwise, a context menu with 0 selected bookmarks is briefly displayed.
+ if (numberOfSelectedBookmarks > 0) {
+ // Update the action mode subtitle according to the number of selected bookmarks.
+ mode.subtitle = getString(R.string.selected, numberOfSelectedBookmarks)
+
+ // Only show the select all menu item if all of the bookmarks are not already selected.
+ selectAllMenuItem.isVisible = (bookmarksListView.checkedItemCount != bookmarksListView.count)
+
+ // Convert the database ID to an int.
+ val databaseId = id.toInt()
+
+ // If a folder was selected, also select all the contents.
+ if (checked && bookmarksDatabaseHelper.isFolder(databaseId))
+ selectAllBookmarksInFolder(databaseId)
+
+ // Do not allow a bookmark to be deselected if the folder is selected.
+ if (!checked) {
+ // Get the folder name.
+ val folderName = bookmarksDatabaseHelper.getParentFolderName(id.toInt())
+
+ // If the bookmark is not in the root folder, check to see if the folder is selected.
+ if (folderName.isNotEmpty()) {
+ // Get the database ID of the folder.
+ val folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderName)
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst()
+
+ // Initialize the folder position variable.
+ var folderPosition = -1
+
+ // Get the position of the folder in the bookmarks cursor.
+ while ((folderPosition < 0) && (bookmarksCursor.position < bookmarksCursor.count)) {
+ // Check if the folder database ID matches the bookmark database ID.
+ if (folderDatabaseId == bookmarksCursor.getInt(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.ID))) {
+ // Get the folder position.
+ folderPosition = bookmarksCursor.position
+
+ // Check if the folder is selected.
+ if (bookmarksListView.isItemChecked(folderPosition)) {
+ // Reselect the bookmark.
+ bookmarksListView.setItemChecked(position, true)
+
+ // Display a snackbar explaining why the bookmark cannot be deselected.
+ Snackbar.make(bookmarksListView, R.string.cannot_deselect_bookmark, Snackbar.LENGTH_LONG).show()
+ }
+ }
+
+ // Increment the bookmarks cursor.
+ bookmarksCursor.moveToNext()
+ }
+ }
+ }
+ }
+ }
+
+ override fun onActionItemClicked(mode: ActionMode, menuItem: MenuItem): Boolean {
+ // Get a the menu item ID.
+ val menuItemId = menuItem.itemId
+
+ // Run the command that corresponds to the selected menu item.
+ if (menuItemId == R.id.select_all) { // Select all the bookmarks.
+ // Get the total number of bookmarks.
+ val numberOfBookmarks = bookmarksListView.count
+
+ // Select them all.
+ for (i in 0 until numberOfBookmarks) {
+ bookmarksListView.setItemChecked(i, true)
+ }
+ } else if (menuItemId == R.id.delete) { // Delete the selected bookmarks.
+ // Set the deleting bookmarks flag, which prevents the delete menu item from being enabled until the current process finishes.
+ deletingBookmarks = true
+
+ // Get an array of the selected row IDs.
+ val selectedBookmarksIdsLongArray = bookmarksListView.checkedItemIds
+
+ // Get an array of checked bookmarks. `.clone()` makes a copy that won't change if the list view is reloaded, which is needed for re-selecting the bookmarks on undelete.
+ val selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.checkedItemPositions.clone()
+
+ // Populate the bookmarks cursor.
+ bookmarksCursor = when (currentFolderDatabaseId) {
+ // Get all the bookmarks except the ones being deleted.
+ ALL_FOLDERS_DATABASE_ID ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.getAllBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray)
+ else
+ bookmarksDatabaseHelper.getAllBookmarksExcept(selectedBookmarksIdsLongArray)
+
+ // Get the home folder bookmarks except the ones being deleted.
+ HOME_FOLDER_DATABASE_ID ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, "")
+ else
+ bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, "")
+
+
+ // Get the current folder bookmarks except the ones being deleted.
+ else ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, currentFolderName)
+ else
+ bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, currentFolderName)
+ }
+
+ // Update the list view.
+ bookmarksCursorAdapter!!.changeCursor(bookmarksCursor)
+
+ // Create a snackbar with the number of deleted bookmarks.
+ bookmarksDeletedSnackbar = Snackbar.make(findViewById(R.id.bookmarks_databaseview_coordinatorlayout), getString(R.string.bookmarks_deleted, selectedBookmarksIdsLongArray.size),
+ Snackbar.LENGTH_LONG)
+ .setAction(R.string.undo) {} // Undo will be handles by `onDismissed()` below.
+ .addCallback(object : Snackbar.Callback() {
+ override fun onDismissed(snackbar: Snackbar, event: Int) {
+ if (event == DISMISS_EVENT_ACTION) { // The user pushed the undo button.
+ // Update the bookmarks list view with the current contents of the bookmarks database, including the "deleted" bookmarks.
+ updateBookmarksListView()
+
+ // Re-select the previously selected bookmarks.
+ for (i in 0 until selectedBookmarksPositionsSparseBooleanArray.size())
+ bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true)
+ } else { // The snackbar was dismissed without the undo button being pushed.
+ // Delete each selected bookmark.
+ for (databaseIdLong in selectedBookmarksIdsLongArray) {
+ // Convert the database long ID to an int.
+ val databaseIdInt = databaseIdLong.toInt()
+
+ // Delete the selected bookmark.
+ bookmarksDatabaseHelper.deleteBookmark(databaseIdInt)
+ }
+ }
+
+ // Reset the deleting bookmarks flag.
+ deletingBookmarks = false
+
+ // Enable the delete menu item.
+ deleteMenuItem.isEnabled = true
+
+ // Close the activity if back has been pressed.
+ if (closeActivityAfterDismissingSnackbar)
+ finish()
+ }
+ })
+
+ // Show the snackbar.
+ bookmarksDeletedSnackbar!!.show()
+ }
+
+ // Consume the click.
+ return false
+ }
+
+ override fun onDestroyActionMode(mode: ActionMode) {
+ // Do nothing.
+ }
+ })
+ }
+ }
+
+ override fun onCreateOptionsMenu(menu: Menu): Boolean {
+ // Inflate the menu.
+ menuInflater.inflate(R.menu.bookmarks_databaseview_options_menu, menu)
+
+ // Get a handle for the sort menu item.
+ val sortMenuItem = menu.findItem(R.id.sort)
+
+ // Change the sort menu item icon if the listview is sorted by display order, which restores the state after a restart.
+ if (sortByDisplayOrder)
+ sortMenuItem.setIcon(R.drawable.sort_selected)
+
+ // Success.
+ return true
+ }
+
+ override fun onOptionsItemSelected(menuItem: MenuItem): Boolean {
+ // Get the menu item ID.
+ val menuItemId = menuItem.itemId
+
+ // Run the command that corresponds to the selected menu item.
+ if (menuItemId == android.R.id.home) { // Go Home. The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
+ // Prepare to finish the activity.
+ prepareFinish()
+ } else if (menuItemId == R.id.sort) { // Toggle the sort mode.
+ // Update the sort by display order tracker.
+ sortByDisplayOrder = !sortByDisplayOrder
+
+ // Update the icon and display a snackbar.
+ if (sortByDisplayOrder) { // Sort by display order.
+ // Update the icon.
+ menuItem.setIcon(R.drawable.sort_selected)
+
+ // Display a snackbar indicating the current sort type.
+ Snackbar.make(bookmarksListView, R.string.sorted_by_display_order, Snackbar.LENGTH_SHORT).show()
+ } else { // Sort by database id.
+ // Update the icon.
+ menuItem.setIcon(R.drawable.sort)
+
+ // Display a snackbar indicating the current sort type.
+ Snackbar.make(bookmarksListView, R.string.sorted_by_database_id, Snackbar.LENGTH_SHORT).show()
+ }
+
+ // Update the list view.
+ updateBookmarksListView()
+ }
+
+ // Consume the event.
+ return true
+ }
+
+ public override fun onSaveInstanceState(savedInstanceState: Bundle) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState)
+
+ // Store the class variables in the bundle.
+ savedInstanceState.putInt(CURRENT_FOLDER_DATABASE_ID, currentFolderDatabaseId)
+ savedInstanceState.putString(CURRENT_FOLDER_NAME, currentFolderName)
+ savedInstanceState.putBoolean(SORT_BY_DISPLAY_ORDER, sortByDisplayOrder)
+ }
+
+ private fun prepareFinish() {
+ // Check to see if a snackbar is currently displayed. If so, it must be closed before existing so that a pending delete is completed before reloading the list view in the bookmarks activity.
+ if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar!!.isShown) { // Close the bookmarks deleted snackbar before going home.
+ // Set the close flag.
+ closeActivityAfterDismissingSnackbar = true
+
+ // Dismiss the snackbar.
+ bookmarksDeletedSnackbar!!.dismiss()
+ } else { // Go home immediately.
+ // Update the current folder in the bookmarks activity.
+ if (currentFolderDatabaseId == ALL_FOLDERS_DATABASE_ID || currentFolderDatabaseId == HOME_FOLDER_DATABASE_ID) { // All folders or the the home folder are currently displayed.
+ // Load the home folder.
+ BookmarksActivity.currentFolder = ""
+ } else { // A subfolder is currently displayed.
+ // Load the current folder.
+ BookmarksActivity.currentFolder = currentFolderName
+ }
+
+ // Reload the bookmarks list view when returning to the bookmarks activity.
+ BookmarksActivity.restartFromBookmarksDatabaseViewActivity = true
+
+ // Exit the bookmarks database view activity.
+ finish()
+ }
+ }
+
+ private fun updateBookmarksListView() {
+ // Populate the bookmarks list view based on the spinner selection.
+ bookmarksCursor = when (currentFolderDatabaseId) {
+ // Get all the bookmarks.
+ ALL_FOLDERS_DATABASE_ID ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.allBookmarksByDisplayOrder
+ else
+ bookmarksDatabaseHelper.allBookmarks
+
+ // Get the bookmarks in the current folder.
+ HOME_FOLDER_DATABASE_ID ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.getBookmarksByDisplayOrder("")
+ else
+ bookmarksDatabaseHelper.getBookmarks("")
+
+ // Get the bookmarks in the specified folder.
+ else ->
+ if (sortByDisplayOrder)
+ bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderName)
+ else
+ bookmarksDatabaseHelper.getBookmarks(currentFolderName)
+ }
+
+ // Update the cursor adapter if it isn't null, which happens when the activity is restarted.
+ if (bookmarksCursorAdapter != null) {
+ bookmarksCursorAdapter!!.changeCursor(bookmarksCursor)
+ }
+ }
+
+ private fun selectAllBookmarksInFolder(folderId: Int) {
+ // Get the folder name.
+ val folderName = bookmarksDatabaseHelper.getFolderName(folderId)
+
+ // Get a cursor with the contents of the folder.
+ val folderCursor = bookmarksDatabaseHelper.getBookmarks(folderName)
+
+ // Move to the beginning of the cursor.
+ folderCursor.moveToFirst()
+
+ while (folderCursor.position < folderCursor.count) {
+ // Get the bookmark database ID.
+ val bookmarkId = folderCursor.getInt(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.ID))
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst()
+
+ // Initialize the bookmark position variable.
+ var bookmarkPosition = -1
+
+ // Get the position of this bookmark in the bookmarks cursor.
+ while ((bookmarkPosition < 0) && (bookmarksCursor.position < bookmarksCursor.count)) {
+ // Check if the bookmark IDs match.
+ if (bookmarkId == bookmarksCursor.getInt(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.ID))) {
+ // Get the bookmark position.
+ bookmarkPosition = bookmarksCursor.position
+
+ // If this bookmark is a folder, select all the bookmarks inside it.
+ if (bookmarksDatabaseHelper.isFolder(bookmarkId))
+ selectAllBookmarksInFolder(bookmarkId)
+
+ // Select the bookmark.
+ bookmarksListView.setItemChecked(bookmarkPosition, true)
+ }
+
+ // Increment the bookmarks cursor position.
+ bookmarksCursor.moveToNext()
+ }
+
+ // Move to the next position.
+ folderCursor.moveToNext()
+ }
+ }
+
+ override fun onSaveBookmark(dialogFragment: DialogFragment, selectedBookmarkDatabaseId: Int, favoriteIconBitmap: Bitmap) {
+ // Get the dialog from the dialog fragment.
+ val dialog = dialogFragment.dialog!!
+
+ // Get handles for the views from dialog fragment.
+ val currentIconRadioButton = dialog.findViewById<RadioButton>(R.id.current_icon_radiobutton)
+ val bookmarkNameEditText = dialog.findViewById<EditText>(R.id.bookmark_name_edittext)
+ val bookmarkUrlEditText = dialog.findViewById<EditText>(R.id.bookmark_url_edittext)
+ val folderSpinner = dialog.findViewById<Spinner>(R.id.bookmark_folder_spinner)
+ val displayOrderEditText = dialog.findViewById<EditText>(R.id.bookmark_display_order_edittext)
+
+ // Extract the bookmark information.
+ val bookmarkNameString = bookmarkNameEditText.text.toString()
+ val bookmarkUrlString = bookmarkUrlEditText.text.toString()
+ val folderDatabaseId = folderSpinner.selectedItemId.toInt()
+ val displayOrderInt = displayOrderEditText.text.toString().toInt()
+
+ // Get the parent folder name.
+ val parentFolderNameString: String = if (folderDatabaseId == HOME_FOLDER_DATABASE_ID) // The home folder is selected. Use `""`.
+ ""
+ else // Get the parent folder name from the database.
+ bookmarksDatabaseHelper.getFolderName(folderDatabaseId)
+
+ // Update the bookmark.
+ if (currentIconRadioButton.isChecked) { // Update the bookmark without changing the favorite icon.
+ bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt)
+ } else { // Update the bookmark using the `WebView` favorite icon.
+ // Create a favorite icon byte array output stream.
+ val newFavoriteIconByteArrayOutputStream = ByteArrayOutputStream()
+
+ // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream)
+
+ // Convert the favorite icon byte array stream to a byte array.
+ val newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray()
+
+ // Update the bookmark and the favorite icon.
+ bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt, newFavoriteIconByteArray)
+ }
+
+ // Update the list view.
+ updateBookmarksListView()
+ }
+
+ override fun onSaveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int, favoriteIconBitmap: Bitmap) {
+ // Get the dialog from the dialog fragment.
+ val dialog = dialogFragment.dialog!!
+
+ // Get handles for the views from dialog fragment.
+ val currentIconRadioButton = dialog.findViewById<RadioButton>(R.id.current_icon_radiobutton)
+ val defaultIconRadioButton = dialog.findViewById<RadioButton>(R.id.default_icon_radiobutton)
+ val defaultIconImageView = dialog.findViewById<ImageView>(R.id.default_icon_imageview)
+ val folderNameEditText = dialog.findViewById<EditText>(R.id.folder_name_edittext)
+ val parentFolderSpinner = dialog.findViewById<Spinner>(R.id.parent_folder_spinner)
+ val displayOrderEditText = dialog.findViewById<EditText>(R.id.display_order_edittext)
+
+ // Extract the folder information.
+ val newFolderNameString = folderNameEditText.text.toString()
+ val parentFolderDatabaseId = parentFolderSpinner.selectedItemId.toInt()
+ val displayOrderInt = displayOrderEditText.text.toString().toInt()
+
+ // Set the parent folder name.
+ val parentFolderNameString: String = if (parentFolderDatabaseId == HOME_FOLDER_DATABASE_ID) // The home folder is selected. Use `""`.
+ ""
+ else // Get the parent folder name from the database.
+ bookmarksDatabaseHelper.getFolderName(parentFolderDatabaseId)
+
+ // Update the folder.
+ if (currentIconRadioButton.isChecked) { // Update the folder without changing the favorite icon.
+ bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt)
+ } else { // Update the folder and the icon.
+ // Get the new folder icon bitmap.
+ val folderIconBitmap = if (defaultIconRadioButton.isChecked) {
+ // Get the default folder icon drawable.
+ val folderIconDrawable = defaultIconImageView.drawable
+
+ // Convert the folder icon drawable to a bitmap drawable.
+ val folderIconBitmapDrawable = folderIconDrawable as BitmapDrawable
+
+ // Convert the folder icon bitmap drawable to a bitmap.
+ folderIconBitmapDrawable.bitmap
+ } else { // Use the `WebView` favorite icon.
+ // Get a copy of the favorite icon bitmap.
+ favoriteIconBitmap
+ }
+
+ // Create a folder icon byte array output stream.
+ val newFolderIconByteArrayOutputStream = ByteArrayOutputStream()
+
+ // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream)
+
+ // Convert the folder icon byte array stream to a byte array.
+ val newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray()
+
+ // Update the folder and the icon.
+ bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt, newFolderIconByteArray)
+ }
+
+ // Update the list view.
+ updateBookmarksListView()
+ }
+
+ public override fun onDestroy() {
+ // Close the bookmarks cursor and database.
+ bookmarksCursor.close()
+ bookmarksDatabaseHelper.close()
+
+ // Run the default commands.
+ super.onDestroy()
+ }
+}
projects / PrivacyBrowserAndroid.git / blobdiff