TrayIcons.java

/*
 * Copyright (c) 2010-2012 Célio Cidral Junior.
 *
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

package org.tomighty.resources;

import java.awt.Dimension;
import java.awt.Font;
import java.awt.Image;

import org.tomighty.resources.cache.Cache;
import org.tomighty.resources.cache.Caches;
import org.tomighty.resources.cache.Icons;
import org.tomighty.time.Time;
import org.tomighty.ui.tray.Tray;
import org.tomighty.ui.theme.Colors;
import org.tomighty.ui.theme.Look;
import org.tomighty.ui.util.Canvas;

import javax.inject.Inject;

public class TrayIcons {

	public static final int DEFAULT_ICON_SIZE = 32;

	private Resources resources;
	private Tray tray;
	private Look look;
	private Caches caches;

    @Inject
    public void setResources(Resources resources) {
        this.resources = resources;
    }

    @Inject
    public void setTray(Tray tray) {
        this.tray = tray;
    }

    @Inject
    public void setLook(Look look) {
        this.look = look;
    }

    @Inject
    public void setCaches(Caches caches) {
        this.caches = caches;
    }

    public Image tomato() {
		int size = tray.iconSize().height;
		Image image = tomato(size);
		if (image == null) {
			image = tomato(DEFAULT_ICON_SIZE);
		}
		return image;
	}

	public Image time(Time time) {
		String iconName = iconNameFor(time);
		Cache cache = caches.of(Icons.class);
		if (cache.contains(iconName)) {
			return cache.get(iconName);
		}

		Dimension size = tray.iconSize();
		Colors colors = look.colors();
		Canvas canvas = new Canvas(size);
		canvas.fontSize((float) size.height * 0.58f);
		canvas.paintGradient(colors.background());
		canvas.drawBorder(colors.background().darker().darker().darker());
		canvas.drawCentralizedText(time.shortestString());

		cache.store(canvas.image(), iconName);

		return canvas.image();
	}

	private String iconNameFor(Time time) {
		Font font = Canvas.defaultFont();
		Dimension size = tray.iconSize();
		String colorName = look.colors().getClass().getSimpleName();
		return font.getFontName() + "_" + size.width + "x" + size.height + "_"
				+ colorName + "_" + time.shortestString();
	}

	private Image tomato(int size) {
		return resources.image("/tomato-" + size + ".png");
	}

}