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An improved native Swing look and feel for macOS
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/*
 * Copyright (c) 2018-2021 Alan Snyder.
 * All rights reserved.
 *
 * You may not use, copy or modify this file, except in compliance with the license agreement. For details see
 * accompanying license terms.
 */

/*
 * Copyright (c) 2011, 2012, 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 org.violetlib.aqua;

import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicToolTipUI;

import org.jetbrains.annotations.NotNull;
import org.violetlib.aqua.AquaUtils.RecyclableSingletonFromDefaultConstructor;
import org.violetlib.jnr.aqua.AquaUIPainter;

public class AquaToolTipUI extends BasicToolTipUI implements AquaComponentUI {

    static final RecyclableSingletonFromDefaultConstructor sharedAquaInstance = new RecyclableSingletonFromDefaultConstructor(AquaToolTipUI.class);

    public static ComponentUI createUI(JComponent c) {
        return sharedAquaInstance.get();
    }

    protected @NotNull BasicContextualColors colors;

    public AquaToolTipUI() {
        colors = AquaColors.TOOL_TIP_COLORS;
    }

    @Override
    public void appearanceChanged(@NotNull JComponent c, @NotNull AquaAppearance appearance) {
    }

    @Override
    public void activeStateChanged(@NotNull JComponent c, boolean isActive) {
    }

    @Override
    public void update(Graphics g, JComponent c) {
        AquaAppearance appearance = AppearanceManager.registerCurrentAppearance(c);
        AquaUIPainter.State state = AquaUIPainter.State.ACTIVE;
        AppearanceContext context = new AppearanceContext(appearance, state, false, false);
        AquaColors.installColors(c, context, colors);
        super.update(g, c);
    }
}