/*
* GlobalProgressDelayer.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.common;
import org.rstudio.core.client.widget.ProgressIndicator;
import com.google.gwt.user.client.Timer;
public class GlobalProgressDelayer
{
public GlobalProgressDelayer(GlobalDisplay globalDisplay,
final int delayMillis,
String progressMessage)
{
globalDisplay_ = globalDisplay;
progressMessage_ = progressMessage;
timer_ = new Timer()
{
@Override
public void run()
{
ensureIndicator();
}
};
timer_.schedule(delayMillis);
}
// NOTE: auto-creates the indicator if it doesn't already exist
public ProgressIndicator getIndicator()
{
ensureIndicator();
return indicator_;
}
public void setMessage(String progressMessage)
{
if (indicator_ != null)
indicator_.onProgress(progressMessage);
else
progressMessage_ = progressMessage;
}
public void dismiss()
{
if (timer_ != null )
{
timer_.cancel();
timer_ = null;
}
if (indicator_ != null)
{
indicator_.onCompleted();
indicator_ = null;
}
}
private void ensureIndicator()
{
if (indicator_ == null)
{
indicator_ = globalDisplay_.getProgressIndicator("Error");
indicator_.onProgress(progressMessage_);
}
}
private final GlobalDisplay globalDisplay_;
private String progressMessage_;
private Timer timer_;
private ProgressIndicator indicator_ = null;
}