/*
* 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.ui.theme;
import org.tomighty.bus.Bus;
import org.tomighty.bus.Subscriber;
import org.tomighty.bus.messages.ui.LookChanged;
import org.tomighty.bus.messages.ui.UiStateChanged;
import org.tomighty.config.Options;
import org.tomighty.ui.UiState;
import org.tomighty.ui.theme.colors.Gray;
import javax.inject.Inject;
public class Look implements Subscriber<UiStateChanged> {
@Inject private Bus bus;
@Inject private Options options;
private Colors currentColors = defaultColors();
@Inject
public Look(Bus bus) {
bus.subscribe(this, UiStateChanged.class);
}
public Theme theme() {
return options.ui().theme();
}
public Colors colors() {
return currentColors;
}
@Override
public void receive(UiStateChanged message) {
UiState uiState = message.uiState();
Colors colors = uiState.colors();
if(colors == null) {
colors = defaultColors();
}
changeColors(colors);
}
private void changeColors(Colors colors) {
if(currentColors.equals(colors)) {
return;
}
currentColors = colors;
bus.publish(new LookChanged());
}
private static Colors defaultColors() {
return Gray.instance();
}
}