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call Alarm.request() less often to avoid contention in Alarm.isEmpty()

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This commit is contained in:
Alexey Kudravtsev
2018-09-18 13:24:22 +03:00
parent 780ed34dca
commit e707682ccd
1 changed files with 6 additions and 1 deletions
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7
platform/platform-impl/src/com/intellij/openapi/progress/util/ProgressWindow.java
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@@ -359,6 +359,7 @@ public class ProgressWindow extends ProgressIndicatorBase implements BlockingPro
}
private class MyDelegate extends AbstractProgressIndicatorBase implements ProgressIndicatorEx {
private long myLastUpdatedButtonTimestamp;
@Override
public void cancel() {
super.cancel();
@@ -371,7 +372,11 @@ public class ProgressWindow extends ProgressIndicatorBase implements BlockingPro
public void checkCanceled() {
super.checkCanceled();
// assume checkCanceled() would be called from the correct thread
enableCancelButton(!ProgressManager.getInstance().isInNonCancelableSection());
long now = System.currentTimeMillis();
if (now - myLastUpdatedButtonTimestamp > 10) {
enableCancelButton(!ProgressManager.getInstance().isInNonCancelableSection());
myLastUpdatedButtonTimestamp = now;
}
}
@Override