001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.events;
016    
017    import com.liferay.portal.kernel.events.Action;
018    import com.liferay.portal.kernel.events.ActionException;
019    import com.liferay.portal.kernel.log.Log;
020    import com.liferay.portal.kernel.log.LogFactoryUtil;
021    import com.liferay.portal.kernel.security.RandomUtil;
022    import com.liferay.portal.kernel.servlet.BrowserSnifferUtil;
023    import com.liferay.portal.kernel.util.GetterUtil;
024    import com.liferay.portal.model.ColorScheme;
025    import com.liferay.portal.model.Layout;
026    import com.liferay.portal.model.Theme;
027    import com.liferay.portal.service.LayoutServiceUtil;
028    import com.liferay.portal.service.ThemeLocalServiceUtil;
029    import com.liferay.portal.theme.ThemeDisplay;
030    import com.liferay.portal.util.WebKeys;
031    
032    import java.util.List;
033    
034    import javax.servlet.http.HttpServletRequest;
035    import javax.servlet.http.HttpServletResponse;
036    
037    /**
038     * @author Brian Wing Shun Chan
039     */
040    public class RandomLookAndFeelAction extends Action {
041    
042            @Override
043            public void run(HttpServletRequest request, HttpServletResponse response)
044                    throws ActionException {
045    
046                    try {
047    
048                            // Do not randomize look and feel unless the user is logged in
049    
050                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
051                                    WebKeys.THEME_DISPLAY);
052    
053                            if (!themeDisplay.isSignedIn()) {
054                                    return;
055                            }
056    
057                            // Do not randomize look and feel unless the user is accessing the
058                            // portal
059    
060                            String requestURI = GetterUtil.getString(request.getRequestURI());
061    
062                            if (!requestURI.endsWith("/portal/layout")) {
063                                    return;
064                            }
065    
066                            // Do not randomize look and feel unless the user is accessing a
067                            // personal layout
068    
069                            Layout layout = themeDisplay.getLayout();
070    
071                            if (layout == null) {
072                                    return;
073                            }
074    
075                            boolean wapTheme = BrowserSnifferUtil.isWap(request);
076    
077                            List<Theme> themes = ThemeLocalServiceUtil.getThemes(
078                                    themeDisplay.getCompanyId(), themeDisplay.getScopeGroupId(),
079                                    themeDisplay.getUserId(), wapTheme);
080    
081                            if (themes.size() > 0) {
082                                    Theme theme = themes.get(RandomUtil.nextInt(themes.size()));
083    
084                                    List<ColorScheme> colorSchemes = theme.getColorSchemes();
085    
086                                    ColorScheme colorScheme = colorSchemes.get(
087                                            RandomUtil.nextInt(colorSchemes.size()));
088    
089                                    LayoutServiceUtil.updateLookAndFeel(
090                                            layout.getGroupId(), layout.isPrivateLayout(),
091                                            layout.getPlid(), theme.getThemeId(),
092                                            colorScheme.getColorSchemeId(), layout.getCss(), wapTheme);
093    
094                                    themeDisplay.setLookAndFeel(theme, colorScheme);
095    
096                                    request.setAttribute(WebKeys.THEME, theme);
097                                    request.setAttribute(WebKeys.COLOR_SCHEME, colorScheme);
098                            }
099                    }
100                    catch (Exception e) {
101                            _log.error(e, e);
102    
103                            throw new ActionException(e);
104                    }
105            }
106    
107            private static Log _log = LogFactoryUtil.getLog(
108                    RandomLookAndFeelAction.class);
109    
110    }