X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FEditBookmarkFolderDatabaseViewDialog.kt;h=ba66c8d7af67a629d00fe0aaa80be19caf26ac5b;hb=HEAD;hp=8ef895c4969328841bd94051305c62db33c4702f;hpb=38919c77d15eeacbee96ab337afc62b30ddc74ca;p=PrivacyBrowserAndroid.git

diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.kt b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.kt
index 8ef895c4..ba66c8d7 100644
--- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.kt
+++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2016-2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2016-2024 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
  *
@@ -23,63 +23,56 @@ 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.net.Uri
 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 android.widget.AdapterView
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.RadioButton
+import android.widget.Spinner
+import android.widget.TextView
+
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.content.res.AppCompatResources
 import androidx.core.content.ContextCompat
+import androidx.core.graphics.drawable.toBitmap
 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.activities.BookmarksDatabaseViewActivity
+import com.stoutner.privacybrowser.activities.HOME_FOLDER_DATABASE_ID
+import com.stoutner.privacybrowser.activities.HOME_FOLDER_ID
+import com.stoutner.privacybrowser.helpers.BOOKMARK_NAME
+import com.stoutner.privacybrowser.helpers.DISPLAY_ORDER
+import com.stoutner.privacybrowser.helpers.FAVORITE_ICON
+import com.stoutner.privacybrowser.helpers.FOLDER_ID
+import com.stoutner.privacybrowser.helpers.ID
+import com.stoutner.privacybrowser.helpers.PARENT_FOLDER_ID
 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper
 
 import java.io.ByteArrayOutputStream
 
 // Define the class constants.
-private const val DATABASE_ID = "database_id"
-private const val FAVORITE_ICON_BYTE_ARRAY = "favorite_icon_byte_array"
+private const val DATABASE_ID = "A"
+private const val FAVORITE_ICON_BYTE_ARRAY = "B"
 
 class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
-    // Declare the class variables.
-    private lateinit var editBookmarkFolderDatabaseViewListener: EditBookmarkFolderDatabaseViewListener
-
-    // Declare the class views.
-    private lateinit var currentIconRadioButton: RadioButton
-    private lateinit var nameEditText: EditText
-    private lateinit var parentFolderSpinner: Spinner
-    private lateinit var displayOrderEditText: EditText
-    private lateinit var saveButton: Button
-
-    // The public interface is used to send information back to the parent activity.
-    interface EditBookmarkFolderDatabaseViewListener {
-        fun onSaveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int, favoriteIconBitmap: Bitmap)
-    }
-
-    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.
-        @JvmStatic
         fun folderDatabaseId(databaseId: Int, favoriteIconBitmap: Bitmap): EditBookmarkFolderDatabaseViewDialog {
             // Create a favorite icon byte array output stream.
             val favoriteIconByteArrayOutputStream = ByteArrayOutputStream()
@@ -108,6 +101,70 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         }
     }
 
+    private val browseActivityResultLauncher = registerForActivityResult(ActivityResultContracts.GetContent()) { imageUri: Uri? ->
+        // Only do something if the user didn't press back from the file picker.
+        if (imageUri != null) {
+            // Get a handle for the content resolver.
+            val contentResolver = requireContext().contentResolver
+
+            // Get the image MIME type.
+            val mimeType = contentResolver.getType(imageUri)
+
+            // Decode the image according to the type.
+            if (mimeType == "image/svg+xml") {  // The image is an SVG.
+                // Display a snackbar.
+                Snackbar.make(customIconImageView, getString(R.string.cannot_use_svg), Snackbar.LENGTH_LONG).show()
+            } else {  // The image is not an SVG.
+                // Get an input stream for the image URI.
+                val inputStream = contentResolver.openInputStream(imageUri)
+
+                // Get the bitmap from the URI.
+                // `ImageDecoder.decodeBitmap` can't be used, because when running `Drawable.toBitmap` later the `Software rendering doesn't support hardware bitmaps` error message might be produced.
+                var imageBitmap = BitmapFactory.decodeStream(inputStream)
+
+                // Scale the image down if it is greater than 64 pixels in either direction.
+                if ((imageBitmap != null) && ((imageBitmap.height > 128) || (imageBitmap.width > 128)))
+                    imageBitmap = Bitmap.createScaledBitmap(imageBitmap, 128, 128, true)
+
+                // Display the new custom favorite icon.
+                customIconImageView.setImageBitmap(imageBitmap)
+
+                // Select the custom icon radio button.
+                customIconLinearLayout.performClick()
+            }
+        }
+    }
+
+    // Declare the class views.
+    private lateinit var currentIconRadioButton: RadioButton
+    private lateinit var customIconLinearLayout: LinearLayout
+    private lateinit var customIconImageView: ImageView
+    private lateinit var displayOrderEditText: EditText
+    private lateinit var nameEditText: EditText
+    private lateinit var parentFolderSpinner: Spinner
+    private lateinit var saveButton: Button
+
+    // Declare the class variables.
+    private lateinit var currentFolderName: String
+    private lateinit var editBookmarkFolderDatabaseViewListener: EditBookmarkFolderDatabaseViewListener
+
+    // Declare the class variables.
+    private var currentDisplayOrder: Int = 0
+    private var currentParentFolderDatabaseIdInt: Int = 0
+
+    // The public interface is used to send information back to the parent activity.
+    interface EditBookmarkFolderDatabaseViewListener {
+        fun saveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int)
+    }
+
+    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
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         // Get a handle for the arguments.
         val arguments = requireArguments()
@@ -134,6 +191,9 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         // Set the title.
         dialogBuilder.setTitle(R.string.edit_folder)
 
+        // Set the icon.
+        dialogBuilder.setIcon(R.drawable.folder)
+
         // Set the view.
         dialogBuilder.setView(R.layout.edit_bookmark_folder_databaseview_dialog)
 
@@ -143,7 +203,7 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         // 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)
+            editBookmarkFolderDatabaseViewListener.saveBookmarkFolder(this, folderDatabaseId)
         }
 
         // Create an alert dialog from the alert dialog builder.
@@ -165,56 +225,68 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
 
         // Get handles for the views in the alert dialog.
         val databaseIdTextView = alertDialog.findViewById<TextView>(R.id.folder_database_id_textview)!!
+        val folderIdTextView = alertDialog.findViewById<TextView>(R.id.folder_id_textview)!!
         val currentIconLinearLayout = alertDialog.findViewById<LinearLayout>(R.id.current_icon_linearlayout)!!
         currentIconRadioButton = alertDialog.findViewById(R.id.current_icon_radiobutton)!!
         val currentIconImageView = alertDialog.findViewById<ImageView>(R.id.current_icon_imageview)!!
-        val defaultIconLinearLayout = alertDialog.findViewById<LinearLayout>(R.id.default_icon_linearlayout)!!
-        val defaultIconRadioButton = alertDialog.findViewById<RadioButton>(R.id.default_icon_radiobutton)!!
+        val defaultFolderIconLinearLayout = alertDialog.findViewById<LinearLayout>(R.id.default_folder_icon_linearlayout)!!
+        val defaultFolderIconRadioButton = alertDialog.findViewById<RadioButton>(R.id.default_folder_icon_radiobutton)!!
         val webpageFavoriteIconLinearLayout = alertDialog.findViewById<LinearLayout>(R.id.webpage_favorite_icon_linearlayout)!!
         val webpageFavoriteIconRadioButton = alertDialog.findViewById<RadioButton>(R.id.webpage_favorite_icon_radiobutton)!!
         val webpageFavoriteIconImageView = alertDialog.findViewById<ImageView>(R.id.webpage_favorite_icon_imageview)!!
+        customIconLinearLayout = alertDialog.findViewById(R.id.custom_icon_linearlayout)!!
+        val customIconRadioButton = alertDialog.findViewById<RadioButton>(R.id.custom_icon_radiobutton)!!
+        customIconImageView = alertDialog.findViewById(R.id.custom_icon_imageview)!!
+        val browseButton = alertDialog.findViewById<Button>(R.id.browse_button)!!
         nameEditText = alertDialog.findViewById(R.id.folder_name_edittext)!!
         parentFolderSpinner = alertDialog.findViewById(R.id.parent_folder_spinner)!!
         displayOrderEditText = alertDialog.findViewById(R.id.display_order_edittext)!!
         saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
 
-        // Store the current folder values.
-        val currentFolderName = folderCursor.getString(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
-        val currentDisplayOrder = folderCursor.getInt(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.DISPLAY_ORDER))
-        val parentFolder = folderCursor.getString(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.PARENT_FOLDER))
-
-        // Populate the database ID text view.
-        databaseIdTextView.text = folderCursor.getInt(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.ID)).toString()
-
         // Get the current favorite icon byte array from the cursor.
-        val currentIconByteArray = folderCursor.getBlob(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.FAVORITE_ICON))
+        val currentIconByteArray = folderCursor.getBlob(folderCursor.getColumnIndexOrThrow(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)
+        // Get the current folder values.
+        currentFolderName = folderCursor.getString(folderCursor.getColumnIndexOrThrow(BOOKMARK_NAME))
+        currentDisplayOrder = folderCursor.getInt(folderCursor.getColumnIndexOrThrow(DISPLAY_ORDER))
+        val currentParentFolderIdLong = folderCursor.getLong(folderCursor.getColumnIndexOrThrow(PARENT_FOLDER_ID))
+        val currentFolderIdLong = folderCursor.getLong(folderCursor.getColumnIndexOrThrow(FOLDER_ID))
 
-        // Populate the webpage favorite icon image view.
+        // Populate the views.
+        databaseIdTextView.text = folderDatabaseId.toString()
+        folderIdTextView.text = currentFolderIdLong.toString()
+        currentIconImageView.setImageBitmap(currentIconBitmap)
         webpageFavoriteIconImageView.setImageBitmap(favoriteIconBitmap)
-
-        // Populate the folder name edit text.
+        customIconImageView.setImageBitmap(AppCompatResources.getDrawable(requireContext(), R.drawable.folder)!!.toBitmap(128, 128, Bitmap.Config.ARGB_8888))
         nameEditText.setText(currentFolderName)
 
         // Define an array of matrix cursor column names.
-        val matrixCursorColumnNames = arrayOf(BookmarksDatabaseHelper.ID, BookmarksDatabaseHelper.BOOKMARK_NAME)
+        val matrixCursorColumnNames = arrayOf(ID, BOOKMARK_NAME, PARENT_FOLDER_ID)
 
         // 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)))
+        matrixCursor.addRow(arrayOf(HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder), HOME_FOLDER_ID))
+
+        // Create a list of folder IDs.
+        val currentAndSubfolderIds = mutableListOf<Long>()
+
+        // Add the current folder ID to the list.
+        currentAndSubfolderIds.add(currentFolderIdLong)
+
+        // Get a long array of all the subfolders IDs.
+        val subfolderIdLongList = getListOfSubfolderIds(currentFolderIdLong, bookmarksDatabaseHelper)
 
-        // Get a string of the current folder and all subfolders.
-        val currentAndSubfolderString = getStringOfSubfolders(currentFolderName, bookmarksDatabaseHelper)
+        // Add the subfolder IDs to the list.
+        for (subfolderId in subfolderIdLongList)
+            currentAndSubfolderIds.add(subfolderId)
 
-        // Get a cursor with the list of all the folders.
-        val foldersCursor = bookmarksDatabaseHelper.getFoldersExcept(currentAndSubfolderString)
+        // Get a cursor with the list of all the folders except for those specified..
+        val foldersCursor = bookmarksDatabaseHelper.getFoldersExcept(currentAndSubfolderIds)
 
         // Combine the matrix cursor and the folders cursor.
         val combinedFoldersCursor = MergeCursor(arrayOf(matrixCursor, foldersCursor))
@@ -223,26 +295,39 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         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)
+                val subfolderSpacerTextView = view.findViewById<TextView>(R.id.subfolder_spacer_textview)
+                val folderIconImageView = view.findViewById<ImageView>(R.id.folder_icon_imageview)
+                val folderNameTextView = view.findViewById<TextView>(R.id.folder_name_textview)
+
+                // Populate the subfolder spacer if it is not null (the spinner is open).
+                if (subfolderSpacerTextView != null) {
+                    // Indent subfolders.
+                    if (cursor.getLong(cursor.getColumnIndexOrThrow(PARENT_FOLDER_ID)) != HOME_FOLDER_ID) {  // The folder is not in the home folder.
+                        // Get the subfolder spacer.
+                        subfolderSpacerTextView.text = bookmarksDatabaseHelper.getSubfolderSpacer(cursor.getLong(cursor.getColumnIndexOrThrow(FOLDER_ID)))
+                    } else {  // The folder is in the home folder.
+                        // Reset the subfolder spacer.
+                        subfolderSpacerTextView.text = ""
+                    }
+                }
 
                 // 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))
+                    folderIconImageView.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.getColumnIndexOrThrow(BookmarksDatabaseHelper.FAVORITE_ICON))
+                    val folderIconByteArray = cursor.getBlob(cursor.getColumnIndexOrThrow(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)
+                    folderIconImageView.setImageBitmap(folderIconBitmap)
                 }
 
-                // Set the text view to display the folder name.
-                spinnerItemTextView.text = cursor.getString(cursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
+                // Set the folder name.
+                folderNameTextView.text = cursor.getString(cursor.getColumnIndexOrThrow(BOOKMARK_NAME))
             }
         }
 
@@ -252,10 +337,10 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         // Set the parent folder spinner adapter.
         parentFolderSpinner.adapter = foldersCursorAdapter
 
-        // Select the current folder in the spinner if the bookmark isn't in the "Home Folder".
-        if (parentFolder != "") {
+        // Select the current folder in the spinner if the bookmark isn't in the home folder.
+        if (currentParentFolderIdLong != HOME_FOLDER_ID) {
             // Get the database ID of the parent folder as a long.
-            val parentFolderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderCursor.getString(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.PARENT_FOLDER))).toLong()
+            val parentFolderDatabaseIdLong = bookmarksDatabaseHelper.getFolderDatabaseId(currentParentFolderIdLong).toLong()
 
             // Initialize the parent folder position and the iteration variable.
             var parentFolderPosition = 0
@@ -263,7 +348,7 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
 
             // Find the parent folder position in the folders cursor adapter.
             do {
-                if (foldersCursorAdapter.getItemId(i) == parentFolderDatabaseId) {
+                if (foldersCursorAdapter.getItemId(i) == parentFolderDatabaseIdLong) {
                     // Store the current position for the parent folder.
                     parentFolderPosition = i
                 } else {
@@ -278,18 +363,16 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
         }
 
         // Store the current folder database ID.
-        val currentParentFolderDatabaseId = parentFolderSpinner.selectedItemId.toInt()
+        currentParentFolderDatabaseIdInt = parentFolderSpinner.selectedItemId.toInt()
 
         // Populate the display order edit text.
-        displayOrderEditText.setText(folderCursor.getInt(folderCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.DISPLAY_ORDER)).toString())
-
-        // Initially disable the edit button.
-        saveButton.isEnabled = false
+        displayOrderEditText.setText(folderCursor.getInt(folderCursor.getColumnIndexOrThrow(DISPLAY_ORDER)).toString())
 
         // Set the radio button listeners.  These perform a click on the linear layout, which contains the necessary logic.
         currentIconRadioButton.setOnClickListener { currentIconLinearLayout.performClick() }
-        defaultIconRadioButton.setOnClickListener { defaultIconLinearLayout.performClick() }
+        defaultFolderIconRadioButton.setOnClickListener { defaultFolderIconLinearLayout.performClick() }
         webpageFavoriteIconRadioButton.setOnClickListener { webpageFavoriteIconLinearLayout.performClick() }
+        customIconRadioButton.setOnClickListener { customIconLinearLayout.performClick() }
 
         // Set the current icon linear layout click listener.
         currentIconLinearLayout.setOnClickListener {
@@ -297,24 +380,26 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
             currentIconRadioButton.isChecked = true
 
             // Uncheck the other radio buttons.
-            defaultIconRadioButton.isChecked = false
+            defaultFolderIconRadioButton.isChecked = false
             webpageFavoriteIconRadioButton.isChecked = false
+            customIconRadioButton.isChecked = false
 
             // Update the save button.
-            updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+            updateSaveButton()
         }
 
         // Set the default icon linear layout click listener.
-        defaultIconLinearLayout.setOnClickListener {
+        defaultFolderIconLinearLayout.setOnClickListener {
             // Check the default icon radio button.
-            defaultIconRadioButton.isChecked = true
+            defaultFolderIconRadioButton.isChecked = true
 
             // Uncheck the other radio buttons.
             currentIconRadioButton.isChecked = false
             webpageFavoriteIconRadioButton.isChecked = false
+            customIconRadioButton.isChecked = false
 
             // Update the save button.
-            updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+            updateSaveButton()
         }
 
         // Set the webpage favorite icon linear layout click listener.
@@ -324,35 +409,55 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
 
             // Uncheck the other radio buttons.
             currentIconRadioButton.isChecked = false
-            defaultIconRadioButton.isChecked = false
+            defaultFolderIconRadioButton.isChecked = false
+            customIconRadioButton.isChecked = false
+
+            // Update the save button.
+            updateSaveButton()
+        }
+
+        // Set the custom icon linear layout click listener.
+        customIconLinearLayout.setOnClickListener {
+            // Check the current icon radio button.
+            customIconRadioButton.isChecked = true
+
+            // Uncheck the other radio buttons.
+            currentIconRadioButton.isChecked = false
+            defaultFolderIconRadioButton.isChecked = false
+            webpageFavoriteIconRadioButton.isChecked = false
 
             // Update the save button.
-            updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+            updateSaveButton()
+        }
+
+        browseButton.setOnClickListener {
+            // Open the file picker.
+            browseActivityResultLauncher.launch("image/*")
         }
 
         // Update the save button if the bookmark name changes.
         nameEditText.addTextChangedListener(object: TextWatcher {
-            override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
+            override fun beforeTextChanged(charSequence: CharSequence?, start: Int, count: Int, after: Int) {
                 // Do nothing.
             }
 
-            override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
+            override fun onTextChanged(charSequence: CharSequence?, start: Int, before: Int, count: Int) {
                 // Do nothing.
             }
 
-            override fun afterTextChanged(s: Editable) {
+            override fun afterTextChanged(editable: Editable?) {
                 // Update the save button.
-                updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+                updateSaveButton()
             }
         })
 
         // Wait to set the on item selected listener until the spinner has been inflated.  Otherwise the dialog will crash on restart.
         parentFolderSpinner.post {
             // Update the save button if the parent folder changes.
-            parentFolderSpinner.onItemSelectedListener = object: OnItemSelectedListener {
+            parentFolderSpinner.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
                 override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
                     // Update the save button.
-                    updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+                    updateSaveButton()
                 }
 
                 override fun onNothingSelected(parent: AdapterView<*>) {
@@ -363,17 +468,17 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
 
         // Update the save button if the display order changes.
         displayOrderEditText.addTextChangedListener(object: TextWatcher {
-            override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
+            override fun beforeTextChanged(charSequence: CharSequence?, start: Int, count: Int, after: Int) {
                 // Do nothing.
             }
 
-            override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
+            override fun onTextChanged(charSequence: CharSequence?, start: Int, before: Int, count: Int) {
                 // Do nothing.
             }
 
-            override fun afterTextChanged(s: Editable) {
+            override fun afterTextChanged(editable: Editable?) {
                 // Update the save button.
-                updateSaveButton(bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder)
+                updateSaveButton()
             }
         })
 
@@ -382,7 +487,7 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
             // 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)
+                editBookmarkFolderDatabaseViewListener.saveBookmarkFolder(this, folderDatabaseId)
 
                 // Manually dismiss the alert dialog.
                 alertDialog.dismiss()
@@ -399,7 +504,7 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
             // 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)
+                editBookmarkFolderDatabaseViewListener.saveBookmarkFolder(this, folderDatabaseId)
 
                 // Manually dismiss the alert dialog.
                 alertDialog.dismiss()
@@ -411,70 +516,62 @@ class EditBookmarkFolderDatabaseViewDialog : DialogFragment() {
             }
         }
 
+        // Initially disable the edit button.
+        saveButton.isEnabled = false
+
         // Return the alert dialog.
         return alertDialog
     }
 
-    private fun updateSaveButton(bookmarksDatabaseHelper: BookmarksDatabaseHelper, currentFolderName: String, currentParentFolderDatabaseId: Int, currentDisplayOrder: Int) {
+    private fun updateSaveButton() {
         // Get the values from the views.
         val newFolderName = nameEditText.text.toString()
-        val newParentFolderDatabaseId = parentFolderSpinner.selectedItemId.toInt()
+        val newParentFolderDatabaseIdInt = parentFolderSpinner.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
+        val folderRenamed = (newFolderName != currentFolderName)
 
         // Has the parent folder changed?
-        val parentFolderChanged = newParentFolderDatabaseId != currentParentFolderDatabaseId
+        val parentFolderChanged = (newParentFolderDatabaseIdInt != currentParentFolderDatabaseIdInt)
 
         // Has the display order changed?
-        val displayOrderChanged = newDisplayOrder != currentDisplayOrder.toString()
-
-        // Is the display order empty?
-        val displayOrderNotEmpty = newDisplayOrder.isNotEmpty()
+        val displayOrderChanged = (newDisplayOrder != currentDisplayOrder.toString())
 
         // Update the enabled status of the edit button.
-        saveButton.isEnabled = (iconChanged || folderRenamed || parentFolderChanged || displayOrderChanged) && folderNameNotEmpty && displayOrderNotEmpty
+        saveButton.isEnabled = (iconChanged || folderRenamed || parentFolderChanged || displayOrderChanged) && newFolderName.isNotBlank() && newDisplayOrder.isNotBlank()
     }
 
-    private fun getStringOfSubfolders(folderName: String, bookmarksDatabaseHelper: BookmarksDatabaseHelper): String {
-        // Get a cursor will all the immediate subfolders.
-        val subfoldersCursor = bookmarksDatabaseHelper.getSubfolders(folderName)
+    private fun getListOfSubfolderIds(folderId: Long, bookmarksDatabaseHelper: BookmarksDatabaseHelper): List<Long> {
+        // Create a subfolder long list.
+        val subfolderIdLongList = mutableListOf<Long>()
 
-        // Initialize the subfolder string builder and populate it with the current folder.
-        val currentAndSubfolderStringBuilder = StringBuilder(DatabaseUtils.sqlEscapeString(folderName))
+        // Get a cursor with all the immediate subfolders.
+        val subfoldersCursor = bookmarksDatabaseHelper.getSubfolderNamesAndFolderIds(folderId)
 
-        // Populate the subfolder string builder
+        // Populate the subfolder list.
         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.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME))
+            // Get the subfolder ID.
+            val subfolderId = subfoldersCursor.getLong(subfoldersCursor.getColumnIndexOrThrow(FOLDER_ID))
 
-            // Add a comma to the end of the existing string.
-            currentAndSubfolderStringBuilder.append(",")
+            // Add the folder ID to the list.
+            subfolderIdLongList.add(subfolderId)
 
-            // Get the folder name and run the task for any subfolders.
-            val subfolderString = getStringOfSubfolders(subfolderName, bookmarksDatabaseHelper)
+            // Get a list of any subfolders of the subfolder.
+            val nestedSubfolderIdList = getListOfSubfolderIds(subfolderId, bookmarksDatabaseHelper)
 
-            // Add the folder name to the string builder.
-            currentAndSubfolderStringBuilder.append(subfolderString)
+            // Add each of the subfolder IDs to the list.
+            for (nestedSubfolderId in nestedSubfolderIdList)
+                subfolderIdLongList.add(nestedSubfolderId)
         }
 
-        // Return the string of folders.
-        return currentAndSubfolderStringBuilder.toString()
+        // Return the list of subfolder IDs.
+        return subfolderIdLongList
     }
-}
\ No newline at end of file
+}