/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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.intellij.openapi.vcs.changes;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.VcsBundle;
import com.intellij.util.concurrency.Semaphore;
import org.jetbrains.annotations.NotNull;
import java.util.concurrent.atomic.AtomicBoolean;
public class Waiter extends Task.Modal {
private static final Logger LOG = Logger.getInstance(Waiter.class);
@NotNull private final Runnable myRunnable;
@NotNull private final AtomicBoolean myStarted = new AtomicBoolean();
@NotNull private final Semaphore mySemaphore = new Semaphore();
public Waiter(@NotNull Project project, @NotNull Runnable runnable, String title, boolean cancellable) {
super(project, VcsBundle.message("change.list.manager.wait.lists.synchronization", title), cancellable);
myRunnable = runnable;
mySemaphore.down();
setCancelText("Skip");
}
public void run(@NotNull ProgressIndicator indicator) {
indicator.setIndeterminate(true);
indicator.setText2(VcsBundle.message("commit.wait.util.synched.text"));
if (!myStarted.compareAndSet(false, true)) {
LOG.error("Waiter running under progress being started again.");
}
else {
while (!mySemaphore.waitFor(500)) {
indicator.checkCanceled();
}
}
}
@Override
public void onCancel() {
onSuccess();
}
@Override
public void onSuccess() {
// Be careful with changes here as "Waiter.onSuccess()" is explicitly invoked from "FictiveBackgroundable"
if (!myProject.isDisposed()) {
myRunnable.run();
ChangesViewManager.getInstance(myProject).scheduleRefresh();
}
}
public void done() {
mySemaphore.up();
}
}