]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.java
Migrate five dialogs to Kotlin. https://redmine.stoutner.com/issues/604
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / dialogs / EditBookmarkFolderDatabaseViewDialog.java
diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDatabaseViewDialog.java
deleted file mode 100644 (file)
index 7960c68..0000000
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- * 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.content.SharedPreferences;
-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.preference.PreferenceManager;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.util.Log;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.AdapterView;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
-import android.widget.ResourceCursorAdapter;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.core.content.ContextCompat;
-import androidx.fragment.app.DialogFragment;  // The AndroidX dialog fragment must be used or an error is produced on API <=22.
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.activities.BookmarksDatabaseViewActivity;
-import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-
-import java.io.ByteArrayOutputStream;
-
-public class EditBookmarkFolderDatabaseViewDialog extends DialogFragment {
-    // Define the edit bookmark folder database view listener.
-    private EditBookmarkFolderDatabaseViewListener editBookmarkFolderDatabaseViewListener;
-
-
-    // The public interface is used to send information back to the parent activity.
-    public interface EditBookmarkFolderDatabaseViewListener {
-        void onSaveBookmarkFolder(DialogFragment dialogFragment, int selectedFolderDatabaseId, Bitmap favoriteIconBitmap);
-    }
-
-    public void onAttach(@NonNull Context context) {
-        // Run the default commands.
-        super.onAttach(context);
-
-        // Get a handle for `EditBookmarkDatabaseViewListener` from the launching context.
-        editBookmarkFolderDatabaseViewListener = (EditBookmarkFolderDatabaseViewListener) context;
-    }
-
-
-    public static EditBookmarkFolderDatabaseViewDialog folderDatabaseId(int databaseId, Bitmap favoriteIconBitmap) {
-        // Create a favorite icon byte array output stream.
-        ByteArrayOutputStream favoriteIconByteArrayOutputStream = new 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.
-        byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
-
-        // Create an arguments bundle.
-        Bundle argumentsBundle = new 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.
-        EditBookmarkFolderDatabaseViewDialog editBookmarkFolderDatabaseViewDialog = new EditBookmarkFolderDatabaseViewDialog();
-
-        // Add the arguments bundle to the dialog.
-        editBookmarkFolderDatabaseViewDialog.setArguments(argumentsBundle);
-
-        // Return the new dialog.
-        return editBookmarkFolderDatabaseViewDialog;
-    }
-
-    // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
-    @SuppressLint("InflateParams")
-    @Override
-    @NonNull
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        // Get the arguments.
-        Bundle arguments = getArguments();
-
-        // Remove the incorrect lint warning below that the arguments might be null.
-        assert arguments != null;
-
-        // Get the bookmark database ID from the bundle.
-        int folderDatabaseId = getArguments().getInt("database_id");
-
-        // Get the favorite icon byte array.
-        byte[] favoriteIconByteArray = arguments.getByteArray("favorite_icon_byte_array");
-
-        // Remove the incorrect lint warning below that the favorite icon byte array might be null.
-        assert favoriteIconByteArray != null;
-
-        // Convert the favorite icon byte array to a bitmap.
-        Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
-        // Initialize the database helper.   The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
-        BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
-
-        // Get a `Cursor` with the selected bookmark and move it to the first position.
-        Cursor folderCursor = bookmarksDatabaseHelper.getBookmark(folderDatabaseId);
-        folderCursor.moveToFirst();
-
-        // Use an alert dialog builder to create the alert dialog.
-        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog);
-
-        // Set the title.
-        dialogBuilder.setTitle(R.string.edit_folder);
-
-        // Remove the incorrect lint warning that `getActivity()` might be null.
-        assert getActivity() != null;
-
-        // Set the view.  The parent view is `null` because it will be assigned by `AlertDialog`.
-        dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_folder_databaseview_dialog, null));
-
-        // Set the listener for the negative button.
-        dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
-            // Do nothing.  The `AlertDialog` will close automatically.
-        });
-
-        // Set the listener fo the positive button.
-        dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
-            // Return the `DialogFragment` to the parent activity on save.
-            editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap);
-        });
-
-        // Create an alert dialog from the alert dialog builder.
-        final AlertDialog alertDialog = dialogBuilder.create();
-
-        // Remove the warning below that `getWindow()` might be null.
-        assert alertDialog.getWindow() != null;
-
-        // Get a handle for the shared preferences.
-        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-
-        // Get the screenshot preference.
-        boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
-        // Disable screenshots if not allowed.
-        if (!allowScreenshots) {
-            alertDialog.getWindow().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.
-        TextView databaseIdTextView = alertDialog.findViewById(R.id.edit_folder_database_id_textview);
-        RadioGroup iconRadioGroup = alertDialog.findViewById(R.id.edit_folder_icon_radiogroup);
-        ImageView currentIconImageView = alertDialog.findViewById(R.id.edit_folder_current_icon_imageview);
-        ImageView newFavoriteIconImageView = alertDialog.findViewById(R.id.edit_folder_webpage_favorite_icon_imageview);
-        EditText nameEditText = alertDialog.findViewById(R.id.edit_folder_name_edittext);
-        Spinner folderSpinner = alertDialog.findViewById(R.id.edit_folder_parent_folder_spinner);
-        EditText displayOrderEditText = alertDialog.findViewById(R.id.edit_folder_display_order_edittext);
-        Button editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
-        // Remove the incorrect lint warnings below that the views might be null.
-        assert databaseIdTextView != null;
-        assert iconRadioGroup != null;
-        assert currentIconImageView != null;
-        assert newFavoriteIconImageView != null;
-        assert nameEditText != null;
-        assert folderSpinner != null;
-        assert displayOrderEditText != null;
-
-        // Store the current folder values.
-        String currentFolderName = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-        int currentDisplayOrder = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
-        String parentFolder = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
-
-        // Set the database ID.
-        databaseIdTextView.setText(String.valueOf(folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID))));
-
-        // Get the current favorite icon byte array from the `Cursor`.
-        byte[] 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.
-        Bitmap currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.length);
-
-        // Display the current icon bitmap in `edit_bookmark_current_icon`.
-        currentIconImageView.setImageBitmap(currentIconBitmap);
-
-        // Set the new favorite icon bitmap.
-        newFavoriteIconImageView.setImageBitmap(favoriteIconBitmap);
-
-        // Populate the folder name edit text.
-        nameEditText.setText(currentFolderName);
-
-        // Setup a matrix cursor for "Home Folder".
-        String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
-        MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
-        matrixCursor.addRow(new Object[]{BookmarksDatabaseViewActivity.HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
-
-        // Add all subfolders of the current folder to the list of folders not to display.
-        String exceptFolders = getStringOfSubfolders(currentFolderName, bookmarksDatabaseHelper);
-
-        Log.i("Folders", "String of Folders Not To Display:  " + exceptFolders);
-
-        // Get a cursor with the list of all the folders.
-        Cursor foldersCursor = bookmarksDatabaseHelper.getFoldersExcept(exceptFolders);
-
-        // Combine the matrix cursor and the folders cursor.
-        MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
-
-        // Remove the incorrect lint warning that `getContext()` might be null.
-        assert getContext() != null;
-
-        // Create a resource cursor adapter for the spinner.
-        ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(getContext(), R.layout.databaseview_spinner_item, foldersMergeCursor, 0) {
-            @Override
-            public void bindView(View view, Context context, Cursor cursor) {
-                // Get handles for the spinner views.
-                ImageView spinnerItemImageView = view.findViewById(R.id.spinner_item_imageview);
-                TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
-
-                // Set the folder icon according to the type.
-                if (foldersMergeCursor.getPosition() == 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.
-                    byte[] 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.
-                    Bitmap folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.length);
-
-                    // Set the folder icon.
-                    spinnerItemImageView.setImageBitmap(folderIconBitmap);
-                }
-
-                // Set the text view to display the folder name.
-                spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
-            }
-        };
-
-        // Set the `ResourceCursorAdapter` drop drown view resource.
-        foldersCursorAdapter.setDropDownViewResource(R.layout.databaseview_spinner_dropdown_items);
-
-        // Set the adapter for the folder `Spinner`.
-        folderSpinner.setAdapter(foldersCursorAdapter);
-
-        // Select the current folder in the `Spinner` if the bookmark isn't in the "Home Folder".
-        if (!parentFolder.equals("")) {
-            // Get the database ID of the parent folder.
-            int parentFolderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
-
-            // Initialize `parentFolderPosition` and the iteration variable.
-            int parentFolderPosition = 0;
-            int i = 0;
-
-            // Find the parent folder position in folders `ResourceCursorAdapter`.
-            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 `ResourceCursorAdapter` have been checked.
-            } while ((parentFolderPosition == 0) && (i < foldersCursorAdapter.getCount()));
-
-            // Select the parent folder in the `Spinner`.
-            folderSpinner.setSelection(parentFolderPosition);
-        }
-
-        // Store the current folder database ID.
-        int currentParentFolderDatabaseId = (int) folderSpinner.getSelectedItemId();
-
-        // Populate the display order `EditText`.
-        displayOrderEditText.setText(String.valueOf(folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER))));
-
-        // Initially disable the edit button.
-        editButton.setEnabled(false);
-
-        // Update the edit button if the icon selection changes.
-        iconRadioGroup.setOnCheckedChangeListener((group, checkedId) -> {
-            // Update the edit button.
-            updateEditButton(alertDialog, bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder);
-        });
-
-        // Update the edit button if the bookmark name changes.
-        nameEditText.addTextChangedListener(new TextWatcher() {
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-                // Do nothing.
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-                // Do nothing.
-            }
-
-            @Override
-            public void afterTextChanged(Editable s) {
-                // Update the edit button.
-                updateEditButton(alertDialog, bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder);
-            }
-        });
-
-        // Update the edit button if the folder changes.
-        folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
-            @Override
-            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-                // Update the edit button.
-                updateEditButton(alertDialog, bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder);
-            }
-
-            @Override
-            public void onNothingSelected(AdapterView<?> parent) {
-
-            }
-        });
-
-        // Update the edit button if the display order changes.
-        displayOrderEditText.addTextChangedListener(new TextWatcher() {
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-                // Do nothing.
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-                // Do nothing.
-            }
-
-            @Override
-            public void afterTextChanged(Editable s) {
-                // Update the edit button.
-                updateEditButton(alertDialog, bookmarksDatabaseHelper, currentFolderName, currentParentFolderDatabaseId, currentDisplayOrder);
-            }
-        });
-
-        // Allow the `enter` key on the keyboard to save the bookmark from the bookmark name `EditText`.
-        nameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
-            // Save the bookmark if the event is a key-down on the "enter" button.
-            if ((event.getAction() == 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 `DialogFragment` to the parent activity.
-                editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap);
-
-                // Manually dismiss `alertDialog`.
-                alertDialog.dismiss();
-
-                // Consume the event.
-                return true;
-            } else {  // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
-                return false;
-            }
-        });
-
-        // Allow the "enter" key on the keyboard to save the bookmark from the display order `EditText`.
-        displayOrderEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
-            // Save the bookmark if the event is a key-down on the "enter" button.
-            if ((event.getAction() == 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 `DialogFragment` to the parent activity.
-                editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(this, folderDatabaseId, favoriteIconBitmap);
-
-                // Manually dismiss the `AlertDialog`.
-                alertDialog.dismiss();
-
-                // Consume the event.
-                return true;
-            } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
-                return false;
-            }
-        });
-
-        // `onCreateDialog` requires the return of an `AlertDialog`.
-        return alertDialog;
-    }
-
-    private void updateEditButton(AlertDialog alertDialog, BookmarksDatabaseHelper bookmarksDatabaseHelper, String currentFolderName, int currentParentFolderDatabaseId, int currentDisplayOrder) {
-        // Get handles for the views.
-        EditText nameEditText = alertDialog.findViewById(R.id.edit_folder_name_edittext);
-        Spinner folderSpinner = alertDialog.findViewById(R.id.edit_folder_parent_folder_spinner);
-        EditText displayOrderEditText = alertDialog.findViewById(R.id.edit_folder_display_order_edittext);
-        RadioButton currentIconRadioButton = alertDialog.findViewById(R.id.edit_folder_current_icon_radiobutton);
-        Button editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
-        // Remove the incorrect lint warning below that the views might be null.
-        assert nameEditText != null;
-        assert folderSpinner != null;
-        assert displayOrderEditText != null;
-        assert currentIconRadioButton != null;
-
-        // Get the values from the dialog.
-        String newFolderName = nameEditText.getText().toString();
-        int newParentFolderDatabaseId = (int) folderSpinner.getSelectedItemId();
-        String newDisplayOrder = displayOrderEditText.getText().toString();
-
-        // Get a cursor for the new folder name if it exists.
-        Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolder(newFolderName);
-
-        // Is the new folder name empty?
-        boolean folderNameNotEmpty = !newFolderName.isEmpty();
-
-        // Does the folder name already exist?
-        boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0));
-
-        // Has the favorite icon changed?
-        boolean iconChanged = !currentIconRadioButton.isChecked();
-
-        // Has the name been renamed?
-        boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists);
-
-        // Has the folder changed?
-        boolean parentFolderChanged = newParentFolderDatabaseId != currentParentFolderDatabaseId;
-
-        // Has the display order changed?
-        boolean displayOrderChanged = !newDisplayOrder.equals(String.valueOf(currentDisplayOrder));
-
-        // Is the display order empty?
-        boolean displayOrderNotEmpty = !newDisplayOrder.isEmpty();
-
-        // Update the enabled status of the edit button.
-        editButton.setEnabled((iconChanged || folderRenamed || parentFolderChanged || displayOrderChanged) && folderNameNotEmpty && displayOrderNotEmpty);
-    }
-
-    private String getStringOfSubfolders(String folderName, BookmarksDatabaseHelper bookmarksDatabaseHelper) {
-        // Get a cursor will all the immediate subfolders.
-        Cursor subfoldersCursor = bookmarksDatabaseHelper.getSubfolders(folderName);
-
-        // Initialize a string builder to track the folders not to display in the spinner and populate it with the current folder.
-        StringBuilder exceptFoldersStringBuilder = new StringBuilder(DatabaseUtils.sqlEscapeString(folderName));
-
-        for (int i = 0; i < subfoldersCursor.getCount(); i++) {
-            // Move the subfolder cursor to the current item.
-            subfoldersCursor.moveToPosition(i);
-
-            // Get the name of the subfolder.
-            String subfolderName = subfoldersCursor.getString(subfoldersCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-
-            // Add a comma to the end of the existing string.
-            exceptFoldersStringBuilder.append(",");
-
-            // Get the folder name and run the task for any subfolders.
-            String subfolderString = getStringOfSubfolders(subfolderName, bookmarksDatabaseHelper);
-
-            // Add the folder name to the string builder.
-            exceptFoldersStringBuilder.append(subfolderString);
-        }
-
-        // Return the string of folders.
-        return exceptFoldersStringBuilder.toString();
-    }
-}
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