/**
    * This file Copyright (c) 2017 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.pages.app.editor.statusbar.frameresolution;
  
  import info.magnolia.cms.beans.config.ServerConfiguration;
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.pages.app.editor.PageEditorPresenter;
  import info.magnolia.pages.app.editor.extension.AbstractExtension;
  import info.magnolia.pages.app.editor.pagebar.platformselector.PlatformChangedEvent;
  import info.magnolia.pages.app.editor.parameters.PageEditorStatus;
  import info.magnolia.ui.api.app.SubAppEventBus;
  import info.magnolia.ui.api.view.View;
  import info.magnolia.ui.contentapp.detail.DetailLocation;
  import info.magnolia.ui.vaadin.editor.gwt.shared.PlatformType;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  /**
   * A page editor extension showing the frame (page) size resolution on the status bar.
   */
  public class FrameResolution extends AbstractExtension {
      private final SimpleTranslator i18n;
      private final ServerConfiguration serverConfiguration;
      private final PageEditorStatus pageEditorStatus;
      private final FrameResolutionView view;
  
      @Inject
      public FrameResolution(FrameResolutionView view, SimpleTranslator i18n, ServerConfiguration serverConfiguration, PageEditorPresenter pageEditorPresenter, final @Named(SubAppEventBus.NAME) EventBus subAppEventBus) {
          this.view = view;
          this.i18n = i18n;
          this.serverConfiguration = serverConfiguration;
          this.pageEditorStatus = pageEditorPresenter.getStatus();
          subAppEventBus.addHandler(PlatformChangedEvent.class, event -> setSize(event.getPlatform()));
      }
  
      private void setSize(PlatformType platform) {
          view.setVisible(canDisplayResolution());
          view.setSize(i18n.translate("pages.previewPage.statusBar.size", platform.getWidth() + " x " + platform.getHeight()));
      }
  
      @Override
      public View start(DetailLocation location) {
          return view;
      }
  
      @Override
      public void deactivate() {
          view.setVisible(false);
      }
  
      @Override
      public void onLocationUpdate(DetailLocation location) {
          view.setVisible(canDisplayResolution());
      }
  
      private boolean canDisplayResolution() {
          return serverConfiguration.isAdmin() && pageEditorStatus.isPreview() && pageEditorStatus.getPlatformType() != PlatformType.DESKTOP;
      }
  }