app/src/main/java/com/stoutner/privacybrowser/BookmarksActivity.java

   1 /**
   2  * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser;
  21
  22 import android.app.Activity;
  23 import android.app.DialogFragment;
  24 import android.content.Context;
  25 import android.database.Cursor;
  26 import android.graphics.Bitmap;
  27 import android.graphics.BitmapFactory;
  28 import android.graphics.drawable.BitmapDrawable;
  29 import android.graphics.drawable.Drawable;
  30 import android.os.Bundle;
  31 import android.support.design.widget.FloatingActionButton;
  32 import android.support.design.widget.Snackbar;
  33 import android.support.v4.app.NavUtils;
  34 import android.support.v4.widget.CursorAdapter;
  35 import android.support.v7.app.ActionBar;
  36 import android.support.v7.app.AppCompatActivity;
  37 import android.support.v7.widget.Toolbar;
  38 import android.util.SparseBooleanArray;
  39 import android.view.ActionMode;
  40 import android.view.Menu;
  41 import android.view.MenuItem;
  42 import android.view.View;
  43 import android.view.ViewGroup;
  44 import android.widget.AbsListView;
  45 import android.widget.AdapterView;
  46 import android.widget.CheckBox;
  47 import android.widget.EditText;
  48 import android.widget.ImageView;
  49 import android.widget.ListView;
  50 import android.widget.TextView;
  51
  52 import java.io.ByteArrayOutputStream;
  53
  54 public class BookmarksActivity extends AppCompatActivity implements CreateBookmark.CreateBookmarkListener, EditBookmark.EditBookmarkListener {
  55     // `bookmarksDatabaseHandler` is public static so it can be accessed from EditBookmark.  It is also used in `onCreate()`,
  56     // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
  57     public static BookmarksDatabaseHandler bookmarksDatabaseHandler;
  58
  59     // `bookmarksListView` is public static so it can be accessed from EditBookmark.
  60     // It is also used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
  61     public static ListView bookmarksListView;
  62
  63     // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
  64     private ActionMode contextualActionMode;
  65
  66     // `selectedBookmarkPosition` is used in `onCreate()` and `onEditBookarkSave()`.
  67     private int selectedBookmarkPosition;
  68
  69     @Override
  70     protected void onCreate(Bundle savedInstanceState) {
  71         super.onCreate(savedInstanceState);
  72         setContentView(R.layout.bookmarks_coordinatorlayout);
  73
  74         // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21.
  75         final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
  76         setSupportActionBar(bookmarksAppBar);
  77
  78         // Display the home arrow on supportAppBar.
  79         final ActionBar appBar = getSupportActionBar();
  80         assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that appBar might be null.
  81         appBar.setDisplayHomeAsUpEnabled(true);
  82
  83         // Initialize the database handler and the ListView.
  84         // `this` specifies the context.  The two `null`s do not specify the database name or a `CursorFactory`.
  85         // The `0` is to specify a database version, but that is set instead using a constant in BookmarksDatabaseHandler.
  86         bookmarksDatabaseHandler = new BookmarksDatabaseHandler(this, null, null, 0);
  87         bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
  88
  89         // Display the bookmarks in the ListView.
  90         updateBookmarksListView();
  91
  92         // Set a listener so that tapping a list item loads the URL.  We need to store the activity
  93         // in a variable so that we can return to the parent activity after loading the URL.
  94         final Activity bookmarksActivity = this;
  95         bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  96             @Override
  97             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  98                 // Convert the id from long to int to match the format of the bookmarks database.
  99                 int databaseID = (int) id;
 100
 101                 // Get the bookmark URL and assign it to formattedUrlString.
 102                 MainWebViewActivity.formattedUrlString = bookmarksDatabaseHandler.getBookmarkURL(databaseID);
 103
 104                 //  Load formattedUrlString and return to the main activity.
 105                 MainWebViewActivity.mainWebView.loadUrl(MainWebViewActivity.formattedUrlString);
 106                 NavUtils.navigateUpFromSameTask(bookmarksActivity);
 107             }
 108         });
 109
 110         // `MultiChoiceModeListener` handles long clicks.
 111         bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
 112             // `moveBookmarkUpMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
 113             MenuItem moveBookmarkUpMenuItem;
 114
 115             // `moveBookmarkDownMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
 116             MenuItem moveBookmarkDownMenuItem;
 117
 118             // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
 119             MenuItem editBookmarkMenuItem;
 120
 121             // `selectAllBookmarks` is used in `onCreateActionMode()` and `onItemCheckedStateChanges`.
 122             MenuItem selectAllBookmarksMenuItem;
 123
 124             @Override
 125             public boolean onCreateActionMode(ActionMode mode, Menu menu) {
 126                 // Inflate the menu for the contextual app bar and set the title.
 127                 getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
 128                 mode.setTitle(R.string.bookmarks);
 129
 130                 // Get a handle for MenuItems we need to selectively disable.
 131                 moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
 132                 moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
 133                 editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
 134                 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
 135
 136                 return true;
 137             }
 138
 139             @Override
 140             public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
 141                 return false;
 142             }
 143
 144             @Override
 145             public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
 146                 // Get an array of the selected bookmarks.
 147                 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
 148
 149                 // Calculate the number of selected bookmarks.
 150                 int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
 151
 152                 // List the number of selected bookmarks in the subtitle.
 153                 mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
 154
 155                 if (numberOfSelectedBookmarks == 1) {
 156                     // Show the `Move Up`, `Move Down`, and  `Edit` option only if 1 bookmark is selected.
 157                     moveBookmarkUpMenuItem.setVisible(true);
 158                     moveBookmarkDownMenuItem.setVisible(true);
 159                     editBookmarkMenuItem.setVisible(true);
 160
 161                     // Get the database IDs for the bookmarks.
 162                     int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
 163                     int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
 164                     // bookmarksListView is 0 indexed.
 165                     int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
 166
 167                     // Disable `moveBookmarkUpMenuItem` if the selected bookmark is at the top of the ListView.
 168                     if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) {
 169                         moveBookmarkUpMenuItem.setEnabled(false);
 170                         moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_disabled);
 171                     } else {  // Otherwise enable `moveBookmarkUpMenuItem`.
 172                         moveBookmarkUpMenuItem.setEnabled(true);
 173                         moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_enabled);
 174                     }
 175
 176                     // Disable `moveBookmarkDownMenuItem` if the selected bookmark is at the bottom of the ListView.
 177                     if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) {
 178                         moveBookmarkDownMenuItem.setEnabled(false);
 179                         moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_disabled);
 180                     } else {  // Otherwise enable `moveBookmarkDownMenuItem`.
 181                         moveBookmarkDownMenuItem.setEnabled(true);
 182                         moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_enabled);
 183                     }
 184                 } else {  // Hide the MenuItems because more than one bookmark is selected.
 185                     moveBookmarkUpMenuItem.setVisible(false);
 186                     moveBookmarkDownMenuItem.setVisible(false);
 187                     editBookmarkMenuItem.setVisible(false);
 188                 }
 189
 190                 // Do not show `Select All` if all the bookmarks are already checked.
 191                 if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
 192                     selectAllBookmarksMenuItem.setVisible(false);
 193                 } else {
 194                     selectAllBookmarksMenuItem.setVisible(true);
 195                 }
 196             }
 197
 198             @Override
 199             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
 200                 int menuItemId = item.getItemId();
 201
 202                 // `numberOfBookmarks` is used in `R.id.move_bookmark_up_enabled`, `R.id.move_bookmark_down_enabled`, and `R.id.context_menu_select_all_bookmarks`.
 203                 int numberOfBookmarks;
 204
 205                 // `selectedBookmarkLongArray` is used in `R.id.move_bookmark_up` and `R.id.move_bookmark_down`.
 206                 long[]selectedBookmarkLongArray;
 207                 // `selectedBookmarkDatabaseId` is used in `R.id.move_bookmark_up` and `R.id.move_bookmark_down`.
 208                 int selectedBookmarkDatabaseId;
 209                 // `selectedBookmarkNewPosition` is used in `R.id.move_bookmark_up` and `R.id.move_bookmark_down`.
 210                 int selectedBookmarkNewPosition;
 211
 212                 switch (menuItemId) {
 213                     case R.id.move_bookmark_up:
 214                         // Get the selected bookmark database ID.
 215                         selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
 216                         selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
 217
 218                         // Initialize `selectedBookmarkNewPosition`.
 219                         selectedBookmarkNewPosition = 0;
 220
 221                         for (int i = 0; i < bookmarksListView.getCount(); i++) {
 222                             int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
 223                             int nextBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i + 1);
 224
 225                             if (databaseId == selectedBookmarkDatabaseId || nextBookmarkDatabaseId == selectedBookmarkDatabaseId) {
 226                                 if (databaseId == selectedBookmarkDatabaseId) {
 227                                     // Move the selected bookmark up one and store the new bookmark position.
 228                                     bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i - 1);
 229                                     selectedBookmarkNewPosition = i - 1;
 230                                 } else {  // Move the bookmark above the selected bookmark down one.
 231                                     bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i + 1);
 232                                 }
 233                             } else {
 234                                 // Reset the rest of the bookmarks' DISPLAY_ORDER to match the position in the ListView.
 235                                 // This isn't necessary, but it clears out any stray values that might have crept into the database.
 236                                 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i);
 237                             }
 238                         }
 239
 240                         // Refresh the ListView.
 241                         updateBookmarksListView();
 242
 243                         // Select the previously selected bookmark in the new location.
 244                         bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
 245
 246                         bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
 247
 248                         break;
 249
 250                     case R.id.move_bookmark_down:
 251                         // Get the selected bookmark database ID.
 252                         selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
 253                         selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
 254
 255                         // Initialize `selectedBookmarkNewPosition`.
 256                         selectedBookmarkNewPosition = 0;
 257
 258                         for (int i = 0; i <bookmarksListView.getCount(); i++) {
 259                             int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
 260                             int previousBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i - 1);
 261
 262                             if (databaseId == selectedBookmarkDatabaseId || previousBookmarkDatabaseId == selectedBookmarkDatabaseId) {
 263                                 if (databaseId == selectedBookmarkDatabaseId) {
 264                                     // Move the selected bookmark down one and store the new bookmark position.
 265                                     bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i + 1);
 266                                     selectedBookmarkNewPosition = i + 1;
 267                                 } else {  // Move the bookmark below the selected bookmark up one.
 268                                     bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i - 1);
 269                                 }
 270                             } else {
 271                                 // Reset the rest of the bookmark' DISPLAY_ORDER to match the position in the ListView.
 272                                 // This isn't necessary, but it clears out any stray values that might have crept into the database.
 273                                 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i);
 274                             }
 275                         }
 276
 277                         // Refresh the ListView.
 278                         updateBookmarksListView();
 279
 280                         // Select the previously selected bookmark in the new location.
 281                         bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
 282
 283                         bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
 284                         break;
 285
 286                     case R.id.edit_bookmark:
 287                         // Get a handle for `selectedBookmarkPosition` so we can scroll to it after refreshing the ListView.
 288                         SparseBooleanArray bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
 289                         selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(0);
 290
 291                         // Get a handle for `contextualActionMode` so we can close it when `editBookmarkDialog` is finished.
 292                         contextualActionMode = mode;
 293
 294                         // Show the `EditBookmark` `AlertDialog` and name the instance `@string/edit_bookmark`.
 295                         DialogFragment editBookmarkDialog = new EditBookmark();
 296                         editBookmarkDialog.show(getFragmentManager(), "@string/edit_bookmark");
 297                         break;
 298
 299                     case R.id.delete_bookmark:
 300                         // Get an array of the selected rows.
 301                         final long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
 302
 303                         String snackbarMessage;
 304
 305                         // Determine how many items are in the array and prepare an appropriate Snackbar message.
 306                         if (selectedBookmarksLongArray.length == 1) {
 307                             snackbarMessage = getString(R.string.one_bookmark_deleted);
 308                         } else {
 309                             snackbarMessage = selectedBookmarksLongArray.length + " " + getString(R.string.bookmarks_deleted);
 310                         }
 311
 312                         updateBookmarksListViewExcept(selectedBookmarksLongArray);
 313
 314                         // Show a SnackBar.
 315                         Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
 316                                 .setAction(R.string.undo, new View.OnClickListener() {
 317                                     @Override
 318                                     public void onClick(View view) {
 319                                         // Do nothing because everything will be handled by `onDismissed()` below.
 320                                     }
 321                                 })
 322                                 .setCallback(new Snackbar.Callback() {
 323                                     @Override
 324                                     public void onDismissed(Snackbar snackbar, int event) {
 325                                         switch (event) {
 326                                             // The user pushed the "Undo" button.
 327                                             case Snackbar.Callback.DISMISS_EVENT_ACTION:
 328                                                 // Refresh the ListView to show the rows again.
 329                                                 updateBookmarksListView();
 330
 331                                                 break;
 332
 333                                             // The Snackbar was dismissed without the "Undo" button being pushed.
 334                                             default:
 335                                                 // Delete each selected row.
 336                                                 for (long databaseIdLong : selectedBookmarksLongArray) {
 337                                                     // Convert `databaseIdLong` to an int.
 338                                                     int databaseIdInt = (int) databaseIdLong;
 339
 340                                                     // Delete the database row.
 341                                                     bookmarksDatabaseHandler.deleteBookmark(databaseIdInt);
 342                                                 }
 343                                                 break;
 344                                         }
 345                                     }
 346                                 })
 347                                 .show();
 348
 349                         // Close the contextual app bar.
 350                         mode.finish();
 351                         break;
 352
 353                     case R.id.context_menu_select_all_bookmarks:
 354                         numberOfBookmarks = bookmarksListView.getCount();
 355
 356                         for (int i = 0; i < numberOfBookmarks; i++) {
 357                             bookmarksListView.setItemChecked(i, true);
 358                         }
 359                         break;
 360                 }
 361                 // Consume the click.
 362                 return true;
 363             }
 364
 365             @Override
 366             public void onDestroyActionMode(ActionMode mode) {
 367
 368             }
 369         });
 370
 371         // Set a FloatingActionButton for creating new bookmarks.
 372         FloatingActionButton createBookmarkFAB = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
 373         assert createBookmarkFAB != null;
 374         createBookmarkFAB.setOnClickListener(new View.OnClickListener() {
 375             @Override
 376             public void onClick(View view) {
 377                 // Show the `CreateBookmark` `AlertDialog` and name the instance `@string/create_bookmark`.
 378                 DialogFragment createBookmarkDialog = new CreateBookmark();
 379                 createBookmarkDialog.show(getFragmentManager(), "@string/create_bookmark");
 380             }
 381         });
 382     }
 383
 384     @Override
 385     public boolean onCreateOptionsMenu(Menu menu) {
 386         //Inflate the menu.
 387         getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
 388
 389         return true;
 390     }
 391
 392     @Override
 393     public boolean onPrepareOptionsMenu(Menu menu) {
 394         super.onPrepareOptionsMenu(menu);
 395
 396         return true;
 397     }
 398
 399     @Override
 400     public boolean onOptionsItemSelected(MenuItem menuItem) {
 401         int menuItemId = menuItem.getItemId();
 402
 403         switch (menuItemId) {
 404             case android.R.id.home:
 405                 NavUtils.navigateUpFromSameTask(this);
 406                 break;
 407
 408             case R.id.options_menu_select_all_bookmarks:
 409                 int numberOfBookmarks = bookmarksListView.getCount();
 410
 411                 for (int i = 0; i < numberOfBookmarks; i++) {
 412                     bookmarksListView.setItemChecked(i, true);
 413                 }
 414                 break;
 415         }
 416         return true;
 417     }
 418
 419     @Override
 420     public void onCreateBookmarkCancel(DialogFragment createBookmarkDialogFragment) {
 421         // Do nothing because the user selected `Cancel`.
 422     }
 423
 424     @Override
 425     public void onCreateBookmarkCreate(DialogFragment createBookmarkDialogFragment) {
 426         // Get the `EditText`s from the `createBookmarkDialogFragment` and extract the strings.
 427         EditText createBookmarkNameEditText = (EditText) createBookmarkDialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
 428         String bookmarkNameString = createBookmarkNameEditText.getText().toString();
 429         EditText createBookmarkUrlEditText = (EditText) createBookmarkDialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
 430         String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
 431
 432         // Convert the favoriteIcon Bitmap to a byte array.  `0` is for lossless compression (the only option for a PNG).
 433         ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
 434         MainWebViewActivity.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
 435         byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
 436
 437         // Display the new bookmark below the current items in the (0 indexed) list.
 438         int newBookmarkDisplayOrder = bookmarksListView.getCount();
 439
 440         // Create the bookmark.
 441         bookmarksDatabaseHandler.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, favoriteIconByteArray);
 442
 443         // Refresh the ListView.  `setSelection` scrolls to the bottom of the list.
 444         updateBookmarksListView();
 445         bookmarksListView.setSelection(bookmarksListView.getCount());
 446     }
 447
 448     @Override
 449     public void onEditBookmarkCancel(DialogFragment editBookmarkDialogFragment) {
 450         // Do nothing because the user selected `Cancel`.
 451     }
 452
 453     @Override
 454     public void onEditBookmarkSave(DialogFragment editBookmarkDialogFragment) {
 455         // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
 456         EditText editBookmarkNameEditText = (EditText) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
 457         String bookmarkNameString = editBookmarkNameEditText.getText().toString();
 458         EditText editBookmarkUrlEditText = (EditText) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
 459         String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
 460
 461         CheckBox useNewFavoriteIconBitmap = (CheckBox) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_use_new_favorite_icon_checkbox);
 462         byte[] favoriteIconByteArray;
 463
 464         // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
 465         long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
 466         int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
 467
 468         if (useNewFavoriteIconBitmap.isChecked()) {
 469             // Get the new favorite icon from the Dialog and convert it into a Bitmap.
 470             ImageView newFavoriteIconImageView = (ImageView) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_new_favorite_icon);
 471             Drawable favoriteIconDrawable = newFavoriteIconImageView.getDrawable();
 472             Bitmap favoriteIconBitmap = ((BitmapDrawable) favoriteIconDrawable).getBitmap();
 473
 474             // Convert the new `favoriteIconBitmap` into a Byte Array.
 475             ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
 476             favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
 477             favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
 478
 479             //  Update the bookmark and the favorite icon.
 480             bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, favoriteIconByteArray);
 481         } else {  // Update the bookmark without changing the favorite icon.
 482             bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
 483         }
 484
 485         // Close the contextual action mode.
 486         contextualActionMode.finish();
 487
 488         // Refresh the `ListView`.  `setSelection` scrolls to that position.
 489         updateBookmarksListView();
 490         bookmarksListView.setSelection(selectedBookmarkPosition);
 491     }
 492
 493     private void updateBookmarksListView() {
 494         // Get a Cursor with the current contents of the bookmarks database.
 495         final Cursor bookmarksCursor = bookmarksDatabaseHandler.getAllBookmarksCursor();
 496
 497         // Setup bookmarksCursorAdapter with `this` context.  The `false` disables autoRequery.
 498         CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
 499             @Override
 500             public View newView(Context context, Cursor cursor, ViewGroup parent) {
 501                 // Inflate the individual item layout.  `false` does not attach it to the root.
 502                 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
 503             }
 504
 505             @Override
 506             public void bindView(View view, Context context, Cursor cursor) {
 507                 // Get the favorite icon byte array from the `Cursor`.
 508                 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
 509
 510                 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
 511                 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
 512
 513                 // Display the bitmap in `bookmarkFavoriteIcon`.
 514                 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
 515                 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
 516
 517
 518                 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
 519                 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
 520                 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
 521                 assert bookmarkNameTextView != null;  // This assert removes the warning that bookmarkNameTextView might be null.
 522                 bookmarkNameTextView.setText(bookmarkNameString);
 523             }
 524         };
 525
 526         // Update the ListView.
 527         bookmarksListView.setAdapter(bookmarksCursorAdapter);
 528     }
 529
 530     private void updateBookmarksListViewExcept(long[] exceptIdLongArray) {
 531         // Get a Cursor with the current contents of the bookmarks database except for the specified database IDs.
 532         final Cursor bookmarksCursor = bookmarksDatabaseHandler.getBookmarksCursorExcept(exceptIdLongArray);
 533
 534         // Setup bookmarksCursorAdapter with `this` context.  The `false` disables autoRequery.
 535         CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
 536             @Override
 537             public View newView(Context context, Cursor cursor, ViewGroup parent) {
 538                 // Inflate the individual item layout.  `false` does not attach it to the root.
 539                 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
 540             }
 541
 542             @Override
 543             public void bindView(View view, Context context, Cursor cursor) {
 544                 // Get the favorite icon byte array from the cursor.
 545                 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
 546
 547                 // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
 548                 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
 549
 550                 // Display the bitmap in `bookmarkFavoriteIcon`.
 551                 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
 552                 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
 553
 554
 555                 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
 556                 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
 557                 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
 558                 assert bookmarkNameTextView != null;  // This assert removes the warning that bookmarkNameTextView might be null.
 559                 bookmarkNameTextView.setText(bookmarkNameString);
 560             }
 561         };
 562
 563         // Update the ListView.
 564         bookmarksListView.setAdapter(bookmarksCursorAdapter);
 565     }
 566 }