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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.home;
import org.mozilla.gecko.home.HomeConfig.OnReloadListener;
import android.content.Context;
import android.support.v4.content.AsyncTaskLoader;
public class HomeConfigLoader extends AsyncTaskLoader<HomeConfig.State> {
private final HomeConfig mConfig;
private HomeConfig.State mConfigState;
private final Context mContext;
public HomeConfigLoader(Context context, HomeConfig homeConfig) {
super(context);
mContext = context;
mConfig = homeConfig;
}
@Override
public HomeConfig.State loadInBackground() {
return mConfig.load();
}
@Override
public void deliverResult(HomeConfig.State configState) {
if (isReset()) {
mConfigState = null;
return;
}
mConfigState = configState;
mConfig.setOnReloadListener(new ForceReloadListener());
if (isStarted()) {
super.deliverResult(configState);
}
}
@Override
protected void onStartLoading() {
if (mConfigState != null) {
deliverResult(mConfigState);
}
if (takeContentChanged() || mConfigState == null) {
forceLoad();
}
}
@Override
protected void onStopLoading() {
cancelLoad();
}
@Override
public void onCanceled(HomeConfig.State configState) {
mConfigState = null;
}
@Override
protected void onReset() {
super.onReset();
// Ensure the loader is stopped.
onStopLoading();
mConfigState = null;
mConfig.setOnReloadListener(null);
}
private class ForceReloadListener implements OnReloadListener {
@Override
public void onReload() {
onContentChanged();
}
}
}
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