import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
-import android.support.v4.app.NavUtils;
import android.support.v4.content.ContextCompat;
import android.support.v4.widget.CursorAdapter;
import android.support.v4.widget.ResourceCursorAdapter;
// `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22.
import android.support.v7.app.AppCompatDialogFragment;
import android.support.v7.widget.Toolbar;
+import android.util.SparseBooleanArray;
+import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
+import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ImageView;
import java.io.ByteArrayOutputStream;
-public class BookmarksDatabaseViewActivity extends AppCompatActivity implements EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener, EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener {
+public class BookmarksDatabaseViewActivity extends AppCompatActivity implements EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener,
+ EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener {
// Instantiate the constants.
private static final int ALL_FOLDERS_DATABASE_ID = -2;
private static final int HOME_FOLDER_DATABASE_ID = -1;
- // `bookmarksDatabaseHelper` is used in `onCreate()`, `updateBookmarksListView()`, and `onDestroy()`.
+ // `bookmarksDatabaseHelper` is used in `onCreate()`, `updateBookmarksListView()`, `selectAllBookmarksInFolder()`, and `onDestroy()`.
private BookmarksDatabaseHelper bookmarksDatabaseHelper;
// `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`, and `onDestroy()`.
private Cursor bookmarksCursor;
- // `bookmarksCursorAdapter` is used in `onCreate()` and `updateBookmarksListView()`.
+ // `bookmarksCursorAdapter` is used in `onCreate()`, `selectAllBookmarksInFolder()`, and `updateBookmarksListView()`.
private CursorAdapter bookmarksCursorAdapter;
// `oldFolderNameString` is used in `onCreate()` and `onSaveBookmarkFolder()`.
// `sortByDisplayOrder` is used in `onCreate()`, `onOptionsItemSelected()`, and `updateBookmarksListView()`.
private boolean sortByDisplayOrder;
+ // `bookmarksDeletedSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
+ private Snackbar bookmarksDeletedSnackbar;
+
+ // `closeActivityAfterDismissingSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
+ private boolean closeActivityAfterDismissingSnackbar;
+
@Override
public void onCreate(Bundle savedInstanceState) {
// Disable screenshots if not allowed.
appBar.setCustomView(R.layout.spinner);
appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
- // Initialize the database handler. `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`. The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
+ // Initialize the database handler. `this` specifies the context. The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
// Setup a matrix cursor for "All Folders" and "Home Folder".
matrixCursor.addRow(new Object[]{ALL_FOLDERS_DATABASE_ID, getString(R.string.all_folders)});
matrixCursor.addRow(new Object[]{HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
- // Get a `Cursor` with the list of all the folders.
- Cursor foldersCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
+ // Get a cursor with the list of all the folders.
+ Cursor foldersCursor = bookmarksDatabaseHelper.getAllFolders();
// Combine `matrixCursor` and `foldersCursor`.
MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
Spinner folderSpinner = findViewById(R.id.spinner);
folderSpinner.setAdapter(foldersCursorAdapter);
- // Handle clicks on the spinner dropdown.
+ // Handle taps on the spinner dropdown.
folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
// Get a `Cursor` with the current contents of the bookmarks database.
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
// Setup a `CursorAdapter` with `this` context. `false` disables autoRequery.
bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
// Set a listener to edit a bookmark when it is tapped.
bookmarksListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
- // Convert the database ID to an `int`.
+ // Convert the database ID to an int.
int databaseId = (int) id;
// Show the edit bookmark or edit bookmark folder dialog.
editBookmarkDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
}
});
+
+ // Handle long presses on the list view.
+ bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
+ // Instantiate the common variables.
+ MenuItem selectAllMenuItem;
+ MenuItem deleteMenuItem;
+ boolean deletingBookmarks;
+
+ @Override
+ public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+ // Inflate the menu for the contextual app bar.
+ getMenuInflater().inflate(R.menu.bookmarks_databaseview_context_menu, menu);
+
+ // Set the title.
+ mode.setTitle(R.string.bookmarks);
+
+ // Get handles for the menu items.
+ selectAllMenuItem = menu.findItem(R.id.select_all);
+ deleteMenuItem = menu.findItem(R.id.delete);
+
+ // Disable the delete menu item if a delete is pending.
+ deleteMenuItem.setEnabled(!deletingBookmarks);
+
+ // Make it so.
+ return true;
+ }
+
+ @Override
+ public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+ // Do nothing.
+ return false;
+ }
+
+ @Override
+ public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
+ // Calculate the number of selected bookmarks.
+ int numberOfSelectedBookmarks = bookmarksListView.getCheckedItemCount();
+
+ // Adjust the ActionMode according to the number of selected bookmarks.
+ mode.setSubtitle(getString(R.string.selected) + " " + numberOfSelectedBookmarks);
+
+ // Do not show the select all menu item if all the bookmarks are already checked.
+ if (bookmarksListView.getCheckedItemCount() == bookmarksListView.getCount()) {
+ selectAllMenuItem.setVisible(false);
+ } else {
+ selectAllMenuItem.setVisible(true);
+ }
+
+ // Convert the database ID to an int.
+ int databaseId = (int) id;
+
+ // If a folder was selected, also select all the contents.
+ if (checked && bookmarksDatabaseHelper.isFolder(databaseId)) {
+ selectAllBookmarksInFolder(databaseId);
+ }
+
+ // Do not allow a bookmark to be deselected if the folder is selected.
+ if (!checked) {
+ // Get the folder name.
+ String folderName = bookmarksDatabaseHelper.getParentFolderName((int) id);
+
+ // If the bookmark is not in the root folder, check to see if the folder is selected.
+ if (!folderName.isEmpty()) {
+ // Get the database ID of the folder.
+ int folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderName);
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst();
+
+ // Initialize the folder position variable.
+ int folderPosition = -1;
+
+ // Get the position of the folder in the bookmarks cursor.
+ while ((folderPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
+ // Check if the folder database ID matches the bookmark database ID.
+ if (folderDatabaseId == bookmarksCursor.getInt((bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID)))) {
+ // Get the folder position.
+ folderPosition = bookmarksCursor.getPosition();
+
+ // Check if the folder is selected.
+ if (bookmarksListView.isItemChecked(folderPosition)) {
+ // Reselect the bookmark.
+ bookmarksListView.setItemChecked(position, true);
+
+ // Display a snackbar explaining why the bookmark cannot be deselected.
+ Snackbar.make(bookmarksListView, R.string.cannot_deselect_bookmark, Snackbar.LENGTH_LONG).show();
+ }
+ }
+
+ // Increment the bookmarks cursor.
+ bookmarksCursor.moveToNext();
+ }
+ }
+ }
+ }
+
+ @Override
+ public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.select_all:
+ // Get the total number of bookmarks.
+ int numberOfBookmarks = bookmarksListView.getCount();
+
+ // Select them all.
+ for (int i = 0; i < numberOfBookmarks; i++) {
+ bookmarksListView.setItemChecked(i, true);
+ }
+ break;
+
+ case R.id.delete:
+ // Set the deleting bookmarks flag, which prevents the delete menu item from being enabled until the current process finishes.
+ deletingBookmarks = true;
+
+ // Get an array of the selected row IDs.
+ long[] selectedBookmarksIdsLongArray = bookmarksListView.getCheckedItemIds();
+
+ // Get an array of checked bookmarks. `.clone()` makes a copy that won't change if the list view is reloaded, which is needed for re-selecting the bookmarks on undelete.
+ SparseBooleanArray selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions().clone();
+
+ // Update the bookmarks cursor with the current contents of the bookmarks database except for the specified database IDs.
+ switch (currentFolderDatabaseId) {
+ // Get a cursor with all the folders.
+ case ALL_FOLDERS_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray);
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksExcept(selectedBookmarksIdsLongArray);
+ }
+ break;
+
+ // Get a cursor for the home folder.
+ case HOME_FOLDER_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, "");
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, "");
+ }
+ break;
+
+ // Display the selected folder.
+ default:
+ // Get a cursor for the selected folder.
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, currentFolderName);
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, currentFolderName);
+ }
+ }
+
+ // Update the list view.
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+
+ // Show a Snackbar with the number of deleted bookmarks.
+ bookmarksDeletedSnackbar = Snackbar.make(findViewById(R.id.bookmarks_databaseview_coordinatorlayout),
+ getString(R.string.bookmarks_deleted) + " " + selectedBookmarksIdsLongArray.length, Snackbar.LENGTH_LONG)
+ .setAction(R.string.undo, view -> {
+ // Do nothing because everything will be handled by `onDismissed()` below.
+ })
+ .addCallback(new Snackbar.Callback() {
+ @Override
+ public void onDismissed(Snackbar snackbar, int event) {
+ switch (event) {
+ // The user pushed the `Undo` button.
+ case Snackbar.Callback.DISMISS_EVENT_ACTION:
+ // Update the bookmarks list view with the current contents of the bookmarks database, including the "deleted bookmarks.
+ updateBookmarksListView();
+
+ // Re-select the previously selected bookmarks.
+ for (int i = 0; i < selectedBookmarksPositionsSparseBooleanArray.size(); i++) {
+ bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true);
+ }
+ break;
+
+ // The Snackbar was dismissed without the `Undo` button being pushed.
+ default:
+ // Delete each selected bookmark.
+ for (long databaseIdLong : selectedBookmarksIdsLongArray) {
+ // Convert `databaseIdLong` to an int.
+ int databaseIdInt = (int) databaseIdLong;
+
+ // Delete the selected bookmark.
+ bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
+ }
+ }
+
+ // Reset the deleting bookmarks flag.
+ deletingBookmarks = false;
+
+ // Enable the delete menu item.
+ deleteMenuItem.setEnabled(true);
+
+ // Close the activity if back has been pressed.
+ if (closeActivityAfterDismissingSnackbar) {
+ onBackPressed();
+ }
+ }
+ });
+
+ // Show the Snackbar.
+ bookmarksDeletedSnackbar.show();
+ break;
+ }
+
+ // Consume the click.
+ return false;
+ }
+
+ @Override
+ public void onDestroyActionMode(ActionMode mode) {
+ // Do nothing.
+ }
+ });
}
@Override
switch (menuItemId) {
case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
- // Return to `MainWebViewActivity`.
- NavUtils.navigateUpFromSameTask(this);
+ // Exit the activity.
+ onBackPressed();
break;
case R.id.options_menu_sort:
return true;
}
+ @Override
+ public void onBackPressed() {
+ // Check to see if a snackbar is currently displayed. If so, it must be closed before existing so that a pending delete is completed before reloading the list view in the bookmarks activity.
+ if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar.isShown()) { // Close the bookmarks deleted snackbar before going home.
+ // Set the close flag.
+ closeActivityAfterDismissingSnackbar = true;
+
+ // Dismiss the snackbar.
+ bookmarksDeletedSnackbar.dismiss();
+ } else { // Go home immediately.
+ // Update the current folder in the bookmarks activity.
+ switch (currentFolderDatabaseId) {
+ case ALL_FOLDERS_DATABASE_ID:
+ // Load the home folder.
+ BookmarksActivity.currentFolder = "";
+ break;
+
+ case HOME_FOLDER_DATABASE_ID:
+ // Load the home folder.
+ BookmarksActivity.currentFolder = "";
+ break;
+
+ default:
+ // Load the current folder.
+ BookmarksActivity.currentFolder = currentFolderName;
+ }
+
+ // Reload the bookmarks list view when returning to the bookmarks activity.
+ BookmarksActivity.restartFromBookmarksDatabaseViewActivity = true;
+
+ // Exit the bookmarks database view activity.
+ super.onBackPressed();
+ }
+ }
+
private void updateBookmarksListView() {
// Populate the bookmarks list view based on the spinner selection.
switch (currentFolderDatabaseId) {
// Get a cursor with all the folders.
case ALL_FOLDERS_DATABASE_ID:
if (sortByDisplayOrder) {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder();
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrder();
} else {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
}
break;
// Get a cursor for the home folder.
case HOME_FOLDER_DATABASE_ID:
if (sortByDisplayOrder) {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder("");
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder("");
} else {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarks("");
}
break;
default:
// Get a cursor for the selected folder.
if (sortByDisplayOrder) {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolderName);
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderName);
} else {
- bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(currentFolderName);
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarks(currentFolderName);
}
}
bookmarksCursorAdapter.changeCursor(bookmarksCursor);
}
+ private void selectAllBookmarksInFolder(int folderId) {
+ // Get a handle for the bookmarks list view.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
+
+ // Get the folder name.
+ String folderName = bookmarksDatabaseHelper.getFolderName(folderId);
+
+ // Get a cursor with the contents of the folder.
+ Cursor folderCursor = bookmarksDatabaseHelper.getBookmarks(folderName);
+
+ // Move to the beginning of the cursor.
+ folderCursor.moveToFirst();
+
+ while (folderCursor.getPosition() < folderCursor.getCount()) {
+ // Get the bookmark database ID.
+ int bookmarkId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst();
+
+ // Initialize the bookmark position variable.
+ int bookmarkPosition = -1;
+
+ // Get the position of this bookmark in the bookmarks cursor.
+ while ((bookmarkPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
+ // Check if the bookmark IDs match.
+ if (bookmarkId == bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID))) {
+ // Get the bookmark position.
+ bookmarkPosition = bookmarksCursor.getPosition();
+
+ // If this bookmark is a folder, select all the bookmarks inside it.
+ if (bookmarksDatabaseHelper.isFolder(bookmarkId)) {
+ selectAllBookmarksInFolder(bookmarkId);
+ }
+
+ // Select the bookmark.
+ bookmarksListView.setItemChecked(bookmarkPosition, true);
+ }
+
+ // Increment the bookmarks cursor position.
+ bookmarksCursor.moveToNext();
+ }
+
+ // Move to the next position.
+ folderCursor.moveToNext();
+ }
+ }
+
@Override
public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
// Get handles for the views from dialog fragment.
projects / PrivacyBrowserAndroid.git / blobdiff