/*******************************************************************************
 * Copyright (c) 2002, 2009 Innoopract Informationssysteme GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Innoopract Informationssysteme GmbH - initial API and implementation
 *     EclipseSource - ongoing development
 ******************************************************************************/
package org.eclipse.swt.internal.widgets;

import org.eclipse.rwt.service.ISessionStore;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.*;


public interface IDisplayAdapter {

  final static IFilterEntry[] EMPTY_FILTERS = new IFilterEntry[ 0 ];

  interface IFilterEntry {
    int getType();
    Listener getListener();
  }

  void setBounds( Rectangle bounds );
  void setCursorLocation( int x, int y );
  void setActiveShell( Shell shell );
  void setFocusControl( Control control );
  void invalidateFocus();
  boolean isFocusInvalidated();
  Shell[] getShells();
  ISessionStore getSession();
  IFilterEntry[] getFilters();

  int getScrollBarSize();
  void setScrollBarSize( int size );
  
  int getAsyncRunnablesCount();
  void runAsyncRunnables();
  Object getDeviceLock();
}