X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FMoveToFolder.java;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FMoveToFolder.java;h=e2e2f88fc3938fa63277b38fe4b9d68511af0f3f;hb=ae2ee09aa7a2afc19f5603c9bc021f98888d7b78;hp=0000000000000000000000000000000000000000;hpb=7d632afdd10cad5b4d62fce37707eaceebe260cb;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/MoveToFolder.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/MoveToFolder.java new file mode 100644 index 00000000..e2e2f88f --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/MoveToFolder.java @@ -0,0 +1,271 @@ +/** + * Copyright 2016 Soren Stoutner . + * + * This file is part of Privacy Browser . + * + * Privacy Browser is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Privacy Browser is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Privacy Browser. If not, see . + */ + +package com.stoutner.privacybrowser.dialogs; + +import android.annotation.SuppressLint; +import android.app.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.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; +import android.os.Bundle; +import android.support.annotation.NonNull; +// If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard. +import android.support.v4.content.ContextCompat; +// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22. +import android.support.v7.app.AlertDialog; +import android.support.v7.app.AppCompatDialogFragment; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CursorAdapter; +import android.widget.ImageView; +import android.widget.ListView; +import android.widget.TextView; + +import com.stoutner.privacybrowser.R; +import com.stoutner.privacybrowser.activities.Bookmarks; +import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper; + +import java.io.ByteArrayOutputStream; + +public class MoveToFolder extends AppCompatDialogFragment { + // The public interface is used to send information back to the parent activity. + public interface MoveToFolderListener { + void onMoveToFolder(AppCompatDialogFragment dialogFragment); + } + + // `moveToFolderListener` is used in `onAttach()` and `onCreateDialog`. + private MoveToFolderListener moveToFolderListener; + + public void onAttach(Context context) { + super.onAttach(context); + + // Get a handle for `MoveToFolderListener` from `parentActivity`. + try { + moveToFolderListener = (MoveToFolderListener) context; + } catch(ClassCastException exception) { + throw new ClassCastException(context.toString() + " must implement EditBookmarkFolderListener."); + } + } + + // `exceptFolders` is used in `onCreateDialog()` and `addSubfoldersToExceptFolders()`. + private String exceptFolders; + + // `@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) { + // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text. + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog); + dialogBuilder.setTitle(R.string.move_to_folder); + // The parent view is `null` because it will be assigned by `AlertDialog`. + dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_dialog, null)); + + // Set an `onClick()` listener for the negative button. + dialogBuilder.setNegativeButton(R.string.cancel, new Dialog.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + // Do nothing. The `AlertDialog` will close automatically. + } + }); + + // Set the `onClick()` listener fo the positive button. + dialogBuilder.setPositiveButton(R.string.move, new Dialog.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + // Return the `DialogFragment` to the parent activity on save. + moveToFolderListener.onMoveToFolder(MoveToFolder.this); + } + }); + + // Create an `AlertDialog` from the `AlertDialog.Builder`. + final AlertDialog alertDialog = dialogBuilder.create(); + + // We need to show the `AlertDialog` before we can modify items in the layout. + alertDialog.show(); + + // Initialize the `Cursor` and `CursorAdapter` variables. + Cursor foldersCursor; + CursorAdapter foldersCursorAdapter; + + // Check to see if we are in the `Home Folder`. + if (Bookmarks.currentFolder.isEmpty()) { // Don't display `Home Folder` at the top of the `ListView`. + // Initialize `exceptFolders`. + exceptFolders = ""; + + // If a folder is selected, add it and all children to the list of folders not to display. + long[] selectedBookmarksLongArray = Bookmarks.checkedItemIds; + for (long databaseIdLong : selectedBookmarksLongArray) { + // Get `databaseIdInt` for each selected bookmark. + int databaseIdInt = (int) databaseIdLong; + + // If `databaseIdInt` is a folder. + if (Bookmarks.bookmarksDatabaseHelper.isFolder(databaseIdInt)) { + // Get the name of the selected folder. + String folderName = Bookmarks.bookmarksDatabaseHelper.getFolderName(databaseIdInt); + + if (exceptFolders.isEmpty()){ + // Add the selected folder to the list of folders not to display. + exceptFolders = DatabaseUtils.sqlEscapeString(folderName); + } else { + // Add the selected folder to the end of the list of folders not to display. + exceptFolders = exceptFolders + "," + DatabaseUtils.sqlEscapeString(folderName); + } + + // Add the selected folder's subfolders to the list of folders not to display. + addSubfoldersToExceptFolders(folderName); + } + } + + // Get a `Cursor` containing the folders to display. + foldersCursor = Bookmarks.bookmarksDatabaseHelper.getFoldersCursorExcept(exceptFolders); + + // Setup `foldersCursorAdaptor` with `this` context. `false` disables autoRequery. + foldersCursorAdapter = new CursorAdapter(alertDialog.getContext(), foldersCursor, false) { + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + // Inflate the individual item layout. `false` does not attach it to the root. + return getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_item_linearlayout, parent, false); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + // Get the folder icon from `cursor`. + 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); + // Display `folderIconBitmap` in `move_to_folder_icon`. + ImageView folderIconImageView = (ImageView) view.findViewById(R.id.move_to_folder_icon); + assert folderIconImageView != null; // Remove the warning below that `currentIconImageView` might be null; + folderIconImageView.setImageBitmap(folderIconBitmap); + + // Get the folder name from `cursor` and display it in `move_to_folder_name_textview`. + String folderName = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + TextView folderNameTextView = (TextView) view.findViewById(R.id.move_to_folder_name_textview); + folderNameTextView.setText(folderName); + } + }; + } else { // Display `Home Folder` at the top of the `ListView`. + // Get the home folder icon drawable and convert it to a `Bitmap`. `this` specifies the current context. + Drawable homeFolderIconDrawable = ContextCompat.getDrawable(getActivity().getApplicationContext(), R.drawable.folder_grey_bitmap); + BitmapDrawable homeFolderIconBitmapDrawable = (BitmapDrawable) homeFolderIconDrawable; + Bitmap homeFolderIconBitmap = homeFolderIconBitmapDrawable.getBitmap(); + // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG). + ByteArrayOutputStream homeFolderIconByteArrayOutputStream = new ByteArrayOutputStream(); + homeFolderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, homeFolderIconByteArrayOutputStream); + byte[] homeFolderIconByteArray = homeFolderIconByteArrayOutputStream.toByteArray(); + + // Setup a `MatrixCursor` for the `Home Folder`. + String[] homeFolderMatrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME, BookmarksDatabaseHelper.FAVORITE_ICON}; + MatrixCursor homeFolderMatrixCursor = new MatrixCursor(homeFolderMatrixCursorColumnNames); + homeFolderMatrixCursor.addRow(new Object[]{0, getString(R.string.home_folder), homeFolderIconByteArray}); + + // Add the parent folder to the list of folders not to display. + exceptFolders = DatabaseUtils.sqlEscapeString(Bookmarks.currentFolder); + + // If a folder is selected, add it and all children to the list of folders not to display. + long[] selectedBookmarksLongArray = Bookmarks.checkedItemIds; + for (long databaseIdLong : selectedBookmarksLongArray) { + // Get `databaseIdInt` for each selected bookmark. + int databaseIdInt = (int) databaseIdLong; + + // If `databaseIdInt` is a folder. + if (Bookmarks.bookmarksDatabaseHelper.isFolder(databaseIdInt)) { + // Get the name of the selected folder. + String folderName = Bookmarks.bookmarksDatabaseHelper.getFolderName(databaseIdInt); + + // Add the selected folder to the end of the list of folders not to display. + exceptFolders = exceptFolders + "," + DatabaseUtils.sqlEscapeString(folderName); + + // Add the selected folder's subfolders to the list of folders not to display. + addSubfoldersToExceptFolders(folderName); + } + } + + // Get a `foldersCursor`. + foldersCursor = Bookmarks.bookmarksDatabaseHelper.getFoldersCursorExcept(exceptFolders); + + // Combine `homeFolderMatrixCursor` and `foldersCursor`. + MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{homeFolderMatrixCursor, foldersCursor}); + + // Setup `foldersCursorAdaptor` with `this` context. `false` disables autoRequery. + foldersCursorAdapter = new CursorAdapter(alertDialog.getContext(), foldersMergeCursor, false) { + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + // Inflate the individual item layout. `false` does not attach it to the root. + return getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_item_linearlayout, parent, false); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + // Get the folder icon from `cursor`. + 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); + // Display `folderIconBitmap` in `move_to_folder_icon`. + ImageView folderIconImageView = (ImageView) view.findViewById(R.id.move_to_folder_icon); + assert folderIconImageView != null; // Remove the warning below that `currentIconImageView` might be null; + folderIconImageView.setImageBitmap(folderIconBitmap); + + // Get the folder name from `cursor` and display it in `move_to_folder_name_textview`. + String folderName = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + TextView folderNameTextView = (TextView) view.findViewById(R.id.move_to_folder_name_textview); + folderNameTextView.setText(folderName); + } + }; + } + + // Display the ListView + ListView foldersListView = (ListView) alertDialog.findViewById(R.id.move_to_folder_listview); + assert foldersListView != null; // Remove the warning below that `foldersListView` might be null. + foldersListView.setAdapter(foldersCursorAdapter); + + // `onCreateDialog` requires the return of an `AlertDialog`. + return alertDialog; + } + + private void addSubfoldersToExceptFolders(String folderName) { + // Get a `Cursor` will all the immediate subfolders. + Cursor subfoldersCursor = Bookmarks.bookmarksDatabaseHelper.getSubfoldersCursor(folderName); + + for (int i = 0; i < subfoldersCursor.getCount(); i++) { + // Move `subfolderCursor` to the current item. + subfoldersCursor.moveToPosition(i); + + // Get the name of the subfolder. + String subfolderName = subfoldersCursor.getString(subfoldersCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + + // Run the same tasks for any subfolders of the subfolder. + addSubfoldersToExceptFolders(subfolderName); + + // Add the subfolder to `exceptFolders`. + subfolderName = DatabaseUtils.sqlEscapeString(subfolderName); + exceptFolders = exceptFolders + "," + subfolderName; + } + + } +}