
org.mini2Dx.ui.UiThemeLoader Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2019 See AUTHORS file
*
* 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.mini2Dx.ui;
import org.mini2Dx.core.Mdx;
import org.mini2Dx.core.assets.AssetDescriptor;
import org.mini2Dx.core.assets.AssetManager;
import org.mini2Dx.core.assets.AsyncAssetLoader;
import org.mini2Dx.core.assets.AsyncLoadingCache;
import org.mini2Dx.core.exception.MdxException;
import org.mini2Dx.core.exception.SerializationException;
import org.mini2Dx.core.files.FileHandleResolver;
import org.mini2Dx.gdx.utils.Array;
import org.mini2Dx.ui.style.UiTheme;
/**
* A {@link AsyncAssetLoader} for loading {@link UiTheme}s
*/
public class UiThemeLoader implements AsyncAssetLoader {
private static final String LOGGING_TAG = UiThemeLoader.class.getSimpleName();
private static final String CACHE_THEME_KEY = "theme";
private final FileHandleResolver fileHandleResolver;
private final boolean headless;
/**
* Constructor
* @param resolver The {@link FileHandleResolver} to use
*/
public UiThemeLoader(FileHandleResolver resolver) {
this(resolver, false);
}
/**
* Constructor
* @param resolver The {@link FileHandleResolver} to use
* @param headless True if the game is using the headless runtime
*/
public UiThemeLoader(FileHandleResolver resolver, boolean headless) {
super();
this.fileHandleResolver = resolver;
this.headless = headless;
}
@Override
public void loadOnAsyncThread(AssetDescriptor assetDescriptor, AsyncLoadingCache asyncLoadingCache) {
final UiTheme theme = asyncLoadingCache.getCache(CACHE_THEME_KEY, UiTheme.class);
theme.validate();
}
@Override
public UiTheme loadOnGameThread(AssetManager assetManager, AssetDescriptor assetDescriptor, AsyncLoadingCache asyncLoadingCache) {
final UiTheme theme = asyncLoadingCache.getCache(CACHE_THEME_KEY, UiTheme.class);
theme.prepareAssets(fileHandleResolver, assetManager);
return theme;
}
@Override
public Array getDependencies(AssetDescriptor assetDescriptor, AsyncLoadingCache asyncLoadingCache) {
Array dependencies = new Array();
if(!asyncLoadingCache.containsCache(CACHE_THEME_KEY)) {
try {
asyncLoadingCache.setCache(CACHE_THEME_KEY, Mdx.json.fromJson(assetDescriptor.getResolvedFileHandle(), UiTheme.class));
} catch (SerializationException e) {
throw new MdxException(e.getMessage(), e);
}
}
final UiTheme theme = asyncLoadingCache.getCache(CACHE_THEME_KEY, UiTheme.class);
theme.loadDependencies(dependencies, fileHandleResolver, headless);
return dependencies;
}
}
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