blob: b835f714b18e17e747cdcb3bc13854001d3cec59 [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.roots;
import androidx.annotation.Nullable;
import android.app.Activity;
import android.util.Log;
import com.android.documentsui.DocumentsAccess;
import com.android.documentsui.TimeoutTask;
import com.android.documentsui.base.CheckedTask;
import com.android.documentsui.base.DocumentInfo;
import com.android.documentsui.base.RootInfo;
import java.util.function.Consumer;
/**
* A {@link CheckedTask} that takes {@link RootInfo} and query SAF to obtain the
* {@link DocumentInfo} of its root document and call supplied callback to handle the
* {@link DocumentInfo}.
*/
public class GetRootDocumentTask extends TimeoutTask<Void, DocumentInfo> {
private final static String TAG = "GetRootDocumentTask";
private final RootInfo mRootInfo;
private final Consumer<DocumentInfo> mCallback;
private final DocumentsAccess mDocs;
public GetRootDocumentTask(
RootInfo rootInfo,
Activity activity,
long timeout,
DocumentsAccess docs,
Consumer<DocumentInfo> callback) {
super(activity::isDestroyed, timeout);
mRootInfo = rootInfo;
mDocs = docs;
mCallback = callback;
}
@Override
public @Nullable DocumentInfo run(Void... args) {
return mDocs.getRootDocument(mRootInfo);
}
@Override
public void finish(@Nullable DocumentInfo documentInfo) {
if (documentInfo == null) {
Log.e(TAG,
"Cannot find document info for root: " + mRootInfo);
}
mCallback.accept(documentInfo);
}
}