/*
* Copyright (c) 2017, 2019, 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.
*
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package com.oracle.truffle.tools.chromeinspector.domains;
import com.oracle.truffle.tools.chromeinspector.events.EventHandler;
public abstract class Domain {
protected EventHandler eventHandler;
private boolean enabled;
protected Domain() {
}
public final void setEventHandler(EventHandler eventHandler) {
this.eventHandler = eventHandler;
}
protected abstract void doEnable();
protected abstract void doDisable();
protected void notifyDisabled() {
}
public final void enable() {
if (!enabled) {
enabled = true;
doEnable();
}
}
public final void disable() {
if (enabled) {
enabled = false;
doDisable();
}
notifyDisabled();
}
public final boolean isEnabled() {
return enabled;
}
}