01 /*
02 * Copyright 2008-2017 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package griffon.javafx.beans.binding;
17
18 import javafx.beans.value.ChangeListener;
19 import javafx.beans.value.ObservableValue;
20
21 import javax.annotation.Nonnull;
22
23 import static javafx.application.Platform.isFxApplicationThread;
24 import static javafx.application.Platform.runLater;
25
26 /**
27 * @author Andres Almiray
28 * @since 2.9.0
29 */
30 class UIThreadAwareChangeListener<T> extends ChangeListenerDecorator<T> implements UIThreadAware {
31 UIThreadAwareChangeListener(@Nonnull ChangeListener<? super T> delegate) {
32 super(delegate);
33 }
34
35 @Override
36 public void changed(final ObservableValue<? extends T> observable, final T oldValue, final T newValue) {
37 if (isFxApplicationThread()) {
38 getDelegate().changed(observable, oldValue, newValue);
39 } else {
40 runLater(() -> getDelegate().changed(observable, oldValue, newValue));
41 }
42 }
43 }
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