Bug 109702 [IDE] [Progress] startup workspace refresh blocks ui
the refresh action at startup of eclipse blocks the ui and cannot be moved into background. this is a similar problem as mentioned in bugzilla 82406 for the package explorer. only the refresh out of the navigator view has the possibility to switch to background.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
configurer.setSaveAndRestore(true);
        
        exceptionHandler = new IDEExceptionHandler(configurer);
        
        WorkbenchAdapterBuilder.registerAdapters();
        
        String[] cmdLineArgs = Platform.getCommandLineArgs();
         
        
        for (int i = 0; i < cmdLineArgs.length; i++) {
            if ("-showlocation".equalsIgnoreCase(cmdLineArgs[i])) { 
            	String name = null;
            	if (cmdLineArgs.length > i + 1)
            		name = cmdLineArgs[i+1];
            	if (name != null && name.indexOf("-") == -1)		
            		workspaceLocation = name;
            	else
            		workspaceLocation = Platform.getLocation().toOSString();
                break;
            }
        }
        
        
        declareWorkbenchImages();
        
        activityHelper = IDEWorkbenchActivityHelper.getInstance();
        
        idleHelper = new IDEIdleHelper(configurer);
    }
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