DownloadContainer.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * 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:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.download;

import com.google.gwt.user.client.ui.Frame;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.google.inject.Inject;
import com.google.inject.Singleton;

/**
 * The purpose of this class is avoid opening a new window when downloading
 *
 * @author Roman Nikitenko
 */
@Singleton
public class DownloadContainer {
    private final static String TARGET = "download-frame";

    private Frame frame;

    @Inject
    public DownloadContainer() {
        frame = new Frame();
        frame.getElement().setAttribute("name", TARGET);
        frame.setSize("0px", "0px");
        frame.setVisible(false);
        frame.ensureDebugId(TARGET);

        RootLayoutPanel.get().add(frame);
    }

    /**
     * Sets the URL of the resource to be downloaded.
     *
     * @param url the resource's new URL
     */
    public void setUrl(String url) {
        frame.setUrl(url);
    }
}