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/*
* Copyright (C) 2014 The CyanogenMod Project
*
* 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 com.cyanogenmod.filemanager.tasks;
import android.content.Context;
import android.database.Cursor;
import android.os.AsyncTask;
import com.cyanogenmod.filemanager.providers.MimeTypeIndexProvider;
/**
* FetchStatsByTypeTask
* <pre>
* Task for fetching the cursor of data for stats by mime type
* </pre>
*
* @see {@link android.os.AsyncTask}
*/
public class FetchStatsByTypeTask extends AsyncTask<String, Void, Cursor> {
// Members
private Context mContext;
private Listener mListener;
/**
* Constructor
*
* @param context {@link android.content.Context}
* @param listener {@link com.cyanogenmod.filemanager.tasks.FetchStatsByTypeTask.Listener}
*
* @throws IllegalArgumentException {@link java.lang.IllegalArgumentException}
*/
public FetchStatsByTypeTask(Context context, Listener listener)
throws IllegalArgumentException {
if (context == null) {
throw new IllegalArgumentException("'context' cannot be null");
}
mContext = context;
mListener = listener;
}
@Override
protected Cursor doInBackground(String... strings) {
if (strings.length < 1) {
return null;
}
String fileRoot = strings[0];
return MimeTypeIndexProvider.getMountPointUsage(mContext, fileRoot);
}
@Override
protected void onPostExecute(Cursor cursor) {
if (mListener != null) {
mListener.onCursor(cursor);
}
}
/**
* Callback interface for this task
*/
public interface Listener {
public void onCursor(Cursor cursor);
}
}
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