Bug 49117 [Plan Item] Workbench needs hooks for new welcome support
M6 We need to provide an extension point and some interfaces to allow for a primary feature to declare a welcome page. This extension point will be tied the new IProduct being defined by the Core team and needs to have 3 states 1) Fill whole screen 2) Collapsed on the right when the user selects something and starts working 3) Disables when it is no longer of any use
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchPlugin.java
/**
 * This internal class represents the top of the IDE workbench.
 *
 * This class is responsible for tracking various registries
 * font, preference, graphics, dialog store.
 *
 * This class is explicitly referenced by the 
 * IDE workbench plug-in's  "plugin.xml"
 * 
 * @since 3.0
 */
public class IDEWorkbenchPlugin extends AbstractUIPlugin {
	
	private static IDEWorkbenchPlugin inst;
	
	
	public static boolean DEBUG = false;
	/**
	 * The IDE workbench plugin ID.
	 */
	public static final String IDE_WORKBENCH = "org.eclipse.ui.ide"; 
	/**
	 * The ID of the default text editor
	 * @issue better if this was provided by the text editor plug-in
	 */
	public static final String DEFAULT_TEXT_EDITOR_ID = "org.eclipse.ui.DefaultTextEditor"; 
	
	public static final String PL_MARKER_IMAGE_PROVIDER ="markerImageProviders"; 
	public static final String PL_MARKER_HELP ="markerHelp"; 
	public static final String PL_MARKER_RESOLUTION ="markerResolution";