Bug 85452 [IDE] (regression) Backdrop missing when all perspectives closed
I20050215-2300 - close all perspectives - the main page is blank - it should have a backdrop with text and button explaining how to open a perspective
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
ResourcesPlugin.FAMILY_MANUAL_BUILD);
        service.registerIconForFamily(newImage,
                ResourcesPlugin.FAMILY_AUTO_BUILD);
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
     */
    public void postStartup() {
        try {
            refreshFromLocal();
            checkUpdates();
        } finally {
            Platform.getJobManager().resume();
        }
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
     */
    public void postShutdown() {
        if (activityHelper != null) {
            activityHelper.shutdown();
            activityHelper = null;
        }
        if (IDEWorkbenchPlugin.getPluginWorkspace() != null) {
            disconnectFromWorkspace();
        }
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopException
     */