/*
 * Copyright (c) 2016, 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
 * questions.
 */

package com.oracle.plugin.jtreg.components;

import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.fileEditor.FileEditorManagerListener;
import com.intellij.openapi.project.Project;
import com.intellij.util.messages.MessageBusConnection;
import org.jetbrains.annotations.NotNull;

/**
 * The jtreg project component. This class is attached to every project that is opened inside the IDE and listens
 * for specific events (see {@see JTRegFileManagerListener}.
 */
public class JTRegApplicationComponent implements ProjectComponent {

    JTRegFileManagerListener listener;
    MessageBusConnection busConnection;

    public JTRegApplicationComponent(Project project) {
        busConnection = project.getMessageBus().connect();
        listener = new JTRegFileManagerListener(project);
        busConnection.subscribe(FileEditorManagerListener.FILE_EDITOR_MANAGER, listener);
    }

    @Override
    public void initComponent() {
        // nothing
    }

    @Override
    public void disposeComponent() {
        busConnection.disconnect();
        listener.dispose();
        listener = null;
    }

    @Override
    public void projectOpened() {
        //nothing
    }

    @Override
    public void projectClosed() {
        //do nothing
    }

    @Override
    @NotNull
    public String getComponentName() {
        return "JTRegApplicationComponent";
    }
}
