LogoutPopup.java

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2011  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.frontend.client.widget;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.rpc.ServiceDefTarget;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.openkm.frontend.client.Main;
import com.openkm.frontend.client.contants.service.RPCService;
import com.openkm.frontend.client.service.OKMAuthService;
import com.openkm.frontend.client.service.OKMAuthServiceAsync;
import com.openkm.frontend.client.service.OKMChatService;
import com.openkm.frontend.client.service.OKMChatServiceAsync;
import com.openkm.frontend.client.widget.chat.ChatRoomDialogBox;

/**
 * Logout
 * 
 * @author jllort
 *
 */
public class LogoutPopup extends DialogBox implements ClickHandler {
	
	private VerticalPanel vPanel;
	private HTML text;
	private Button button;
	
	private final OKMAuthServiceAsync authService = (OKMAuthServiceAsync) GWT.create(OKMAuthService.class);
	private final OKMChatServiceAsync chatService = (OKMChatServiceAsync) GWT.create(OKMChatService.class);
	
	/**
	 * Logout popup
	 */
	public LogoutPopup() {
		// Establishes auto-close when click outside
		super(false,true);
		
		vPanel = new VerticalPanel();
		text = new HTML(Main.i18n("logout.logout"));
		button = new Button(Main.i18n("button.close"), this);
		
		vPanel.setWidth("250");
		vPanel.setHeight("100");
		
		vPanel.add(new HTML("<br>"));
		vPanel.add(text);
		vPanel.add(new HTML("<br>"));
		vPanel.add(button);
		vPanel.add(new HTML("<br>"));
		
		vPanel.setCellHorizontalAlignment(text, VerticalPanel.ALIGN_CENTER);
		vPanel.setCellHorizontalAlignment(button, VerticalPanel.ALIGN_CENTER);

		button.setStyleName("okm-Button");

		super.hide();
		setWidget(vPanel);
	}
	
	/**
	 * OKM logout
	 */
	final AsyncCallback<Object> callbackLogout = new AsyncCallback<Object>() {
		public void onSuccess(Object result) {
			text.setText(Main.i18n("logout.closed"));
			button.setEnabled(true);
		}

		public void onFailure(Throwable caught) {
			Log.debug("callbackLogout.onFailure("+caught+")");
			Main.get().showError("Logout", caught);
		}
	};
	
	/* (non-Javadoc)
	 * @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent)
	 */
	public void onClick(ClickEvent event) {
		super.hide();
		Window.open("index.jsp", "_self", null);
	}
	
	/**
	 * Lang refresh
	 */
	public void langRefresh() {
		setText(Main.i18n("logout.label"));
		text.setText(Main.i18n("Logout.Logout"));
		button.setText(Main.i18n("button.close"));
	}
	
	/**
	 * OKM Logout
	 */
	public void logout() {
		button.setEnabled(false);
		int left = (Window.getClientWidth()-300)/2;
		int top = (Window.getClientHeight()-200)/2;
		setPopupPosition(left, top);
		setText(Main.i18n("logout.label"));
		show();
		Log.debug("Logout()");
		if (Main.get().mainPanel.bottomPanel.userInfo.isConnectedToChat()) {
			disconnectChat();
		} else {
			ServiceDefTarget endPoint = (ServiceDefTarget) authService;
			endPoint.setServiceEntryPoint(RPCService.AuthService);	
			authService.logout(callbackLogout);
			Log.debug("Logout: void");
		}
	}
	
	/**
	 * disconnectChat
	 * 
	 * Recursivelly disconnecting chat rooms and chat before login out
	 *
	 */
	private void disconnectChat() {
		// Disconnect rooms
		if (Main.get().mainPanel.bottomPanel.userInfo.getChatRoomList().size()>0) {
			final ChatRoomDialogBox chatRoom = Main.get().mainPanel.bottomPanel.userInfo.getChatRoomList().get(0);
			chatRoom.setChatRoomActive(false);
			ServiceDefTarget endPoint = (ServiceDefTarget) chatService;
			endPoint.setServiceEntryPoint(RPCService.ChatService);
			chatService.closeRoom(chatRoom.getRoom(),new AsyncCallback<Object>() {
				@Override
				public void onSuccess(Object arg0) {
					Main.get().mainPanel.bottomPanel.userInfo.removeChatRoom(chatRoom);
					disconnectChat(); // Recursive call
				}
				
				@Override
				public void onFailure(Throwable caught) {
					Main.get().showError("CloseRoom", caught);
					// If happens some problem always we try continue disconnecting chat rooms
					Main.get().mainPanel.bottomPanel.userInfo.removeChatRoom(chatRoom);
					disconnectChat(); // Recursive call
				}
			});
		} else {
			// Disconnect chat
			Main.get().mainPanel.bottomPanel.userInfo.disconnectChat(); // Only used to change view and disabling some RPC
			ServiceDefTarget endPoint = (ServiceDefTarget) chatService;
			endPoint.setServiceEntryPoint(RPCService.ChatService);
			chatService.logout(new AsyncCallback<Object>() {
				@Override
				public void onSuccess(Object result) {
					// Logout
					ServiceDefTarget endPoint = (ServiceDefTarget) authService;
					endPoint.setServiceEntryPoint(RPCService.AuthService);	
					authService.logout(callbackLogout);
					Log.debug("Logout: void");
				}
				@Override
				public void onFailure(Throwable caught) {
					Main.get().showError("GetLogoutChat", caught);
					// If happens some problem always we try logout
					ServiceDefTarget endPoint = (ServiceDefTarget) authService;
					endPoint.setServiceEntryPoint(RPCService.AuthService);	
					authService.logout(callbackLogout);
					Log.debug("Logout: void");
				}
			});
		}
	}
}