[ https://issues.apache.org/jira/browse/PIVOT-878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ronald Thomas updated PIVOT-878: -------------------------------- Attachment: PIVOT-878_example_src.zip Source files to reproduce the issue described in the Jira item. > Show FileBrowserSheet while Initializing > ---------------------------------------- > > Key: PIVOT-878 > URL: https://issues.apache.org/jira/browse/PIVOT-878 > Project: Pivot > Issue Type: Improvement > Components: wtk-terra > Affects Versions: 2.0.2 > Environment: All (Mostly Windows) > Reporter: Ronald Thomas > Assignee: Roger Whitcomb > Priority: Minor > Labels: Browsing, File, FileBrowserSheet, performance, > responsiveness, wtk, wtk-terra > Fix For: 2.1 > > Attachments: PIVOT-878_example_src.zip, > tptp_profiler_exec_call_tree_screenshot.png > > > If the list of file roots returned by > http://docs.oracle.com/javase/1.4.2/docs/api/java/io/File.html#listRoots() > includes more than a few network drives (primarily on windows where each > mapped drive is its own "file system root"), or if the initial path on the > FileBrowserSheet maps to a device that takes a while to "spin up", the > FileBrowserSheet may not appear on the screen for several seconds making the > Pivot app appear unresponsive. It would help if there were some indication > of activity immediately after the call to the FileBrowserSheet.open() method. > The FileBrowserSheet could be displayed in a "loading" mode and then > switched to its normal display mode once the potentially long-running > initialization has completed. > In this case, the long running code is around line 936-947 of the 2.0.2 > release source file at > wtk-terra\src\org\apache\pivot\wtk\skin\terra\TerraFileBrowserSkin.java > Steps to reproduce: > # Create a Pivot application that opens a FileBrowserSheet using a button. > # Map about 6 network drives or connect external hard drives to drive letters > on a machine running windows > # Wait enough time for the power-management "spin down" on some or all of the > mapped or connected drives > # Run the Pivot application and click the button that opens the > FileBrowserSheet > # *Nothing appears to be happening for several seconds* (far too long) while > the JVM collects the results of File.listRoots() to populate the > "driveListButton" listData. > # Finally after several seconds, the FileBrowserSheet appears. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira