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.InvalidationListener;
19 import javafx.beans.Observable;
20
21 import javax.annotation.Nonnull;
22
23 import static java.util.Objects.requireNonNull;
24 import static javafx.application.Platform.isFxApplicationThread;
25 import static javafx.application.Platform.runLater;
26
27 /**
28 * @author Andres Almiray
29 * @since 2.9.0
30 */
31 class UIThreadAwareInvalidationListener implements InvalidationListener, UIThreadAware {
32 private final InvalidationListener delegate;
33
34 UIThreadAwareInvalidationListener(@Nonnull InvalidationListener delegate) {
35 this.delegate = requireNonNull(delegate, "Argument 'delegate' must not be null");
36 }
37
38 @Override
39 public void invalidated(final Observable observable) {
40 if (isFxApplicationThread()) {
41 delegate.invalidated(observable);
42 } else {
43 runLater(() -> invalidated(observable));
44 }
45 }
46
47 @Override
48 public boolean equals(Object o) {
49 return this == o || delegate.equals(o);
50 }
51
52 @Override
53 public int hashCode() {
54 return delegate.hashCode();
55 }
56
57 @Override
58 public String toString() {
59 return getClass().getName() + ":" + delegate.toString();
60 }
61 }
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