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/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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.android.sdkuilib.internal.tasks;
import com.android.sdklib.internal.repository.ITask;
import com.android.sdklib.internal.repository.ITaskFactory;
import com.android.sdklib.internal.repository.ITaskMonitor;
import org.eclipse.swt.widgets.Shell;
/**
* An {@link ITaskFactory} that creates a new {@link ProgressTask} dialog
* for each new task.
*/
public final class ProgressTaskFactory implements ITaskFactory {
private final Shell mShell;
public ProgressTaskFactory(Shell shell) {
mShell = shell;
}
@Override
public void start(String title, ITask task) {
start(title, null /*parentMonitor*/, task);
}
@Override
public void start(String title, ITaskMonitor parentMonitor, ITask task) {
if (parentMonitor == null) {
ProgressTask p = new ProgressTask(mShell, title);
p.start(task);
} else {
// Use all the reminder of the parent monitor.
if (parentMonitor.getProgressMax() == 0) {
parentMonitor.setProgressMax(1);
}
ITaskMonitor sub = parentMonitor.createSubMonitor(
parentMonitor.getProgressMax() - parentMonitor.getProgress());
try {
task.run(sub);
} finally {
int delta =
sub.getProgressMax() - sub.getProgress();
if (delta > 0) {
sub.incProgress(delta);
}
}
}
}
}
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