/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 * 
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */

package org.hellovisualvm;

import org.graalvm.visualvm.application.Application;
import org.graalvm.visualvm.core.ui.DataSourceView;
import org.graalvm.visualvm.core.ui.DataSourceViewProvider;
import org.graalvm.visualvm.core.ui.DataSourceViewsManager;

public class HelloWorldViewProvider extends DataSourceViewProvider<Application> {

    private static DataSourceViewProvider<Application> instance = new HelloWorldViewProvider();

    @Override
    public boolean supportsViewFor(Application application) {
        //Always shown:
        return true;
    }

    @Override
    protected DataSourceView createView(Application application) {
        return new HelloWorldView(application);
    }

    static void initialize() {
        DataSourceViewsManager.sharedInstance().addViewProvider(instance, Application.class);
    }

    static void unregister() {
        DataSourceViewsManager.sharedInstance().removeViewProvider(instance);
    }
}