import android.app.Activity;
import android.app.DialogFragment;
+import android.content.Context;
import android.database.Cursor;
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.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
import android.support.v4.app.NavUtils;
+import android.support.v4.widget.CursorAdapter;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
+import android.view.ActionMode;
+import android.view.Menu;
+import android.view.MenuItem;
import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AbsListView;
import android.widget.AdapterView;
+import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
-import android.widget.SimpleCursorAdapter;
+import android.widget.TextView;
import java.io.ByteArrayOutputStream;
-public class BookmarksActivity extends AppCompatActivity implements CreateBookmark.CreateBookmarkListener {
- private BookmarksDatabaseHandler bookmarksDatabaseHandler;
- private ListView bookmarksListView;
+public class BookmarksActivity extends AppCompatActivity implements CreateBookmark.CreateBookmarkListener, EditBookmark.EditBookmarkListener {
+ // `bookmarksDatabaseHandler` is public static so it can be accessed from EditBookmark. It is also used in `onCreate()`,
+ // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
+ public static BookmarksDatabaseHandler bookmarksDatabaseHandler;
+
+ // `bookmarksListView` is public static so it can be accessed from EditBookmark.
+ // It is also used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
+ public static ListView bookmarksListView;
+
+ // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
+ private ActionMode contextualActionMode;
@Override
protected void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.bookmarks_coordinatorlayout);
// We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21.
- Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
+ final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
setSupportActionBar(bookmarksAppBar);
// Display the home arrow on supportAppBar.
appBar.setDisplayHomeAsUpEnabled(true);
// Initialize the database handler and the ListView.
+ // `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 BookmarksDatabaseHandler.
bookmarksDatabaseHandler = new BookmarksDatabaseHandler(this, null, null, 0);
bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
// Display the bookmarks in the ListView.
updateBookmarksListView();
- // Set a listener so that tapping a list item loads the URL. We need to store the activity in a variable so that we can return to the parent activity after loading the URL.
+ // Set a listener so that tapping a list item loads the URL. We need to store the activity
+ // in a variable so that we can return to the parent activity after loading the URL.
final Activity bookmarksActivity = this;
bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
}
});
+ // `MultiChoiceModeListener` handles long clicks.
+ bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
+ // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
+ MenuItem editBookmarkMenuItem;
+
+ @Override
+ public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+ // Inflate the menu for the contextual app bar and set the title.
+ getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
+ mode.setTitle(R.string.bookmarks);
+
+ // Get a handle for `R.id.edit_bookmark`.
+ editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
+
+ return true;
+ }
+
+ @Override
+ public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+ return false;
+ }
+
+ @Override
+ public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
+ // Get an array of the selected bookmarks.
+ long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
+
+ // Calculate the number of selected bookmarks.
+ int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
+
+ // List the number of selected bookmarks in the subtitle.
+ mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
+
+ // Show the `Edit` option only if 1 bookmark is selected.
+ if (numberOfSelectedBookmarks == 1) {
+ editBookmarkMenuItem.setVisible(true);
+ } else {
+ editBookmarkMenuItem.setVisible(false);
+ }
+ }
+
+ @Override
+ public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+ int menuItemId = item.getItemId();
+
+ switch (menuItemId) {
+ case R.id.edit_bookmark:
+ // Show the `EditBookmark` `AlertDialog` and name the instance `@string/edit_bookmark`.
+ DialogFragment editBookmarkDialog = new EditBookmark();
+ editBookmarkDialog.show(getFragmentManager(), "@string/edit_bookmark");
+
+ contextualActionMode = mode;
+ break;
+
+ case R.id.delete_bookmark:
+ // Get an array of the selected rows.
+ final long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
+
+ String snackbarMessage;
+
+ // Determine how many items are in the array and prepare an appropriate Snackbar message.
+ if (selectedBookmarksLongArray.length == 1) {
+ snackbarMessage = getString(R.string.one_bookmark_deleted);
+ } else {
+ snackbarMessage = selectedBookmarksLongArray.length + " " + getString(R.string.bookmarks_deleted);
+ }
+
+ updateBookmarksListViewExcept(selectedBookmarksLongArray);
+
+ // Show a SnackBar.
+ Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
+ .setAction(R.string.undo, new View.OnClickListener() {
+ @Override
+ public void onClick(View view) {
+ // Do nothing because everything will be handled by `onDismissed()` below.
+ }
+ })
+ .setCallback(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:
+ // Refresh the ListView to show the rows again.
+ updateBookmarksListView();
+
+ break;
+
+ // The Snackbar was dismissed without the "Undo" button being pushed.
+ default:
+ // Delete each selected row.
+ for (long databaseIdLong : selectedBookmarksLongArray) {
+ // Convert `databaseIdLong` to an int.
+ int databaseIdInt = (int) databaseIdLong;
+
+ // Delete the database row.
+ bookmarksDatabaseHandler.deleteBookmark(databaseIdInt);
+ }
+ break;
+ }
+ }
+ })
+ .show();
+
+ // Close the contextual app bar.
+ mode.finish();
+ break;
+ }
+ // Consume the click.
+ return true;
+ }
+
+ @Override
+ public void onDestroyActionMode(ActionMode mode) {
+
+ }
+ });
+
// Set a FloatingActionButton for creating new bookmarks.
FloatingActionButton createBookmarkFAB = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
assert createBookmarkFAB != null;
createBookmarkFAB.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
- // Show the CreateBookmark AlertDialog and name the instance "@string/create_bookmark".
+ // Show the `CreateBookmark` `AlertDialog` and name the instance `@string/create_bookmark`.
DialogFragment createBookmarkDialog = new CreateBookmark();
createBookmarkDialog.show(getFragmentManager(), "@string/create_bookmark");
}
@Override
public void onCreateBookmarkCancel(DialogFragment createBookmarkDialogFragment) {
- // Do nothing because the user selected "Cancel".
+ // Do nothing because the user selected `Cancel`.
}
@Override
public void onCreateBookmarkCreate(DialogFragment createBookmarkDialogFragment) {
- // Get the EditTexts from the DialogFragment and extract the strings.
+ // Get the `EditText`s from the `createBookmarkDialogFragment` and extract the strings.
EditText createBookmarkNameEditText = (EditText) createBookmarkDialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
String bookmarkNameString = createBookmarkNameEditText.getText().toString();
- EditText createBookmarkURLEditText = (EditText) createBookmarkDialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
- String bookmarkURLString = createBookmarkURLEditText.getText().toString();
+ EditText createBookmarkUrlEditText = (EditText) createBookmarkDialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
+ String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
- // Convert the favoriteIcon Bitmap to a byte array.
+ // Convert the favoriteIcon Bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
MainWebViewActivity.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
// Create the bookmark.
- bookmarksDatabaseHandler.createBookmark(bookmarkNameString, bookmarkURLString, favoriteIconByteArray);
+ bookmarksDatabaseHandler.createBookmark(bookmarkNameString, bookmarkUrlString, favoriteIconByteArray);
// Refresh the ListView.
updateBookmarksListView();
}
+ @Override
+ public void onEditBookmarkCancel(DialogFragment editBookmarkDialogFragment) {
+ // Do nothing because the user selected `Cancel`.
+ }
+
+ @Override
+ public void onEditBookmarkSave(DialogFragment editBookmarkDialogFragment) {
+ // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
+ EditText editBookmarkNameEditText = (EditText) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
+ String bookmarkNameString = editBookmarkNameEditText.getText().toString();
+ EditText editBookmarkUrlEditText = (EditText) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
+ String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
+
+ CheckBox useNewFavoriteIconBitmap = (CheckBox) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_use_new_favorite_icon_checkbox);
+ byte[] favoriteIconByteArray;
+
+ // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
+ long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
+ int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
+
+ if (useNewFavoriteIconBitmap.isChecked()) {
+ ImageView newFavoriteIconImageView = (ImageView) editBookmarkDialogFragment.getDialog().findViewById(R.id.edit_bookmark_new_favorite_icon);
+ Drawable favoriteIconDrawable = newFavoriteIconImageView.getDrawable();
+ Bitmap favoriteIconBitmap = ((BitmapDrawable) favoriteIconDrawable).getBitmap();
+ ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
+ favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
+ bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, favoriteIconByteArray);
+
+ } else {
+ // Update the bookmark.
+ bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
+ }
+
+ contextualActionMode.finish();
+
+ // Refresh the `ListView`.
+ updateBookmarksListView();
+ }
+
private void updateBookmarksListView() {
// Get a Cursor with the current contents of the bookmarks database.
- final Cursor bookmarksCursor = bookmarksDatabaseHandler.getBookmarksCursor();
-
- // The last argument is 0 because no special behavior is required.
- SimpleCursorAdapter bookmarksAdapter = new SimpleCursorAdapter(this,
- R.layout.bookmarks_item_linearlayout,
- bookmarksCursor,
- new String[] { BookmarksDatabaseHandler.FAVORITEICON, BookmarksDatabaseHandler.BOOKMARK_NAME },
- new int[] { R.id.bookmark_favorite_icon, R.id.bookmark_name },
- 0);
-
- // Override the handling of R.id.bookmark_favorite_icon to load an image instead of a string.
- bookmarksAdapter.setViewBinder(new SimpleCursorAdapter.ViewBinder() {
- public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
- if (view.getId() == R.id.bookmark_favorite_icon) {
- // Get the byte array from the database.
- byte[] favoriteIconByteArray = cursor.getBlob(columnIndex);
-
- // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
- Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
- // Set the favoriteIconBitmap.
- ImageView bookmarkFavoriteIcon = (ImageView) view;
- bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
- return true;
- } else { // Process the rest of the bookmarksAdapter with default settings.
- return false;
- }
+ final Cursor bookmarksCursor = bookmarksDatabaseHandler.getAllBookmarksCursor();
+
+ // Setup bookmarksCursorAdapter with `this` context. The `false` disables autoRequery.
+ CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, 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 getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
}
- });
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get the favorite icon byte array from the `Cursor`.
+ byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
+
+ // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
+
+ // Display the bitmap in `bookmarkFavoriteIcon`.
+ ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
+ bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
+
+
+ // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
+ String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
+ TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
+ assert bookmarkNameTextView != null; // This assert removes the warning that bookmarkNameTextView might be null.
+ bookmarkNameTextView.setText(bookmarkNameString);
+ }
+ };
+
+ // Update the ListView.
+ bookmarksListView.setAdapter(bookmarksCursorAdapter);
+ }
+
+ private void updateBookmarksListViewExcept(long[] exceptIdLongArray) {
+ // Get a Cursor with the current contents of the bookmarks database except for the specified database IDs.
+ final Cursor bookmarksCursor = bookmarksDatabaseHandler.getBookmarksCursorExcept(exceptIdLongArray);
+
+ // Setup bookmarksCursorAdapter with `this` context. The `false` disables autoRequery.
+ CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, 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 getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get the favorite icon byte array from the cursor.
+ byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
+
+ // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
+ Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
+
+ // Display the bitmap in `bookmarkFavoriteIcon`.
+ ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
+ bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
+
+
+ // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
+ String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
+ TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
+ assert bookmarkNameTextView != null; // This assert removes the warning that bookmarkNameTextView might be null.
+ bookmarkNameTextView.setText(bookmarkNameString);
+ }
+ };
// Update the ListView.
- bookmarksListView.setAdapter(bookmarksAdapter);
+ bookmarksListView.setAdapter(bookmarksCursorAdapter);
}
}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff