blob: 452eb9d255620123c3215ff7982479889c6611ae [file] [log] [blame]
/*
* Copyright (C) 2016 The Android Open Source 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.android.documentsui.sidebar;
import static android.content.ContentResolver.wrap;
import android.content.ContentProviderClient;
import android.content.ContentResolver;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.FileUtils;
import android.provider.DocumentsContract;
import android.util.Log;
import com.android.documentsui.DocumentsApplication;
import com.android.documentsui.base.BooleanConsumer;
import com.android.documentsui.base.Shared;
public final class EjectRootTask extends AsyncTask<Void, Void, Boolean> {
private final String TAG = "EjectRootTask";
private final ContentResolver mResolver;
private final String mAuthority;
private final String mRootId;
private final BooleanConsumer mCallback;
/**
* @param finishCallback The end callback necessary when the eject task finishes
*/
public EjectRootTask(
ContentResolver resolver,
String authority,
String rootId,
BooleanConsumer finishCallback) {
mResolver = resolver;
mAuthority = authority;
mRootId = rootId;
mCallback = finishCallback;
}
@Override
protected Boolean doInBackground(Void... args) {
Uri rootUri = DocumentsContract.buildRootUri(mAuthority, mRootId);
ContentProviderClient client = null;
try {
client = DocumentsApplication.acquireUnstableProviderOrThrow(
mResolver, mAuthority);
DocumentsContract.ejectRoot(wrap(client), rootUri);
return true;
} catch (IllegalStateException e) {
Log.w(TAG, "Failed to eject root.", e);
} catch (Exception e) {
Log.w(TAG, "Binder call failed.", e);
} finally {
FileUtils.closeQuietly(client);
}
return false;
}
@Override
protected void onPostExecute(Boolean ejected) {
mCallback.accept(ejected);
}
}