DMDirc-Plugins/ui_swing/src/main/java/com/dmdirc/addons/ui_swing/EventTriggeringFocusListene...

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.ui_swing;

import com.dmdirc.addons.ui_swing.events.ClientFocusGainedEvent;
import com.dmdirc.addons.ui_swing.events.ClientFocusLostEvent;
import com.dmdirc.events.eventbus.EventBus;

import java.awt.event.WindowEvent;
import java.awt.event.WindowFocusListener;

/**
* Focus listener that triggers focus events on an event bus.
*/
class EventTriggeringFocusListener implements WindowFocusListener {

    private final EventBus eventBus;

    public EventTriggeringFocusListener(final EventBus eventBus) {
        this.eventBus = eventBus;
    }

    @Override
    public void windowGainedFocus(final WindowEvent e) {
        eventBus.publishAsync(new ClientFocusGainedEvent());
    }

    @Override
    public void windowLostFocus(final WindowEvent e) {
        eventBus.publishAsync(new ClientFocusLostEvent());
    }
}