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- /*
- * Copyright 2000-2021 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.client.ui.popupview;
-
- import com.google.gwt.event.shared.GwtEvent;
-
- /**
- * Event for popup visibility changes.
- *
- * @author Vaadin Ltd
- */
- public class VisibilityChangeEvent extends GwtEvent<VisibilityChangeHandler> {
-
- private static Type<VisibilityChangeHandler> type;
-
- private boolean visible;
-
- /**
- * Constructs a visibility change event.
- *
- * @param visible
- * {@code true} if the popup was made visible
- */
- public VisibilityChangeEvent(final boolean visible) {
- this.visible = visible;
- }
-
- /**
- * Returns whether the popup is now visible or not.
- *
- * @return {@code true} if the popup is visible, {@code false} otherwise
- */
- public boolean isVisible() {
- return visible;
- }
-
- @Override
- public Type<VisibilityChangeHandler> getAssociatedType() {
- return getType();
- }
-
- /**
- * Returns the {@link Type} used to register this event.
- *
- * @return the type
- */
- public static Type<VisibilityChangeHandler> getType() {
- if (type == null) {
- type = new Type<>();
- }
- return type;
- }
-
- @Override
- protected void dispatch(final VisibilityChangeHandler handler) {
- handler.onVisibilityChange(this);
- }
- }
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