[435483] Check for disposal of widgets before reporting progress.

Bug: 435483
Change-Id: Ie14c7f19ddbab1e76e3f1514ab441782eb4cff5c

1 files changed, 11 insertions, 5 deletions

diff --git a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/progress/JobProgressInfoComposite.java b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/progress/JobProgressInfoComposite.java
index e4430a6de..c7dee5c88 100644
--- a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/progress/JobProgressInfoComposite.java
+++ b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/progress/JobProgressInfoComposite.java
@@ -115,8 +115,10 @@ public class JobProgressInfoComposite extends Composite {
 	void init() {
 		SWTUtil.safeAsyncExec(new Runnable() {
 			public void run() {
-				actionButton.setEnabled(true);
-				progressBar.setSelection(0);
+				if (!taskNameLabel.isDisposed() && !progressBar.isDisposed()) {
+					actionButton.setEnabled(true);
+					progressBar.setSelection(0);
+				}
 			}
 		});
 	}
@@ -128,8 +130,10 @@ public class JobProgressInfoComposite extends Composite {
 	public void setTaskName(final String taskName) {
 		SWTUtil.safeAsyncExec(new Runnable() {
 			public void run() {
-				taskNameLabel.setText(taskName);
-				layout();
+				if (!taskNameLabel.isDisposed() && !JobProgressInfoComposite.this.isDisposed()) {
+					taskNameLabel.setText(taskName);
+					layout();
+				}
 			}
 		});
 	}
@@ -137,7 +141,9 @@ public class JobProgressInfoComposite extends Composite {
 	public void setPercentDone(final int percent) {
 		SWTUtil.safeAsyncExec(new Runnable() {
 			public void run() {
-				progressBar.setSelection(percent);
+				if (!progressBar.isDisposed()) {
+					progressBar.setSelection(percent);
+				}
 			}
 		});
 	}