1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* 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;
import android.content.ContentProviderClient;
import android.content.ContentResolver;
import android.content.Context;
import android.net.Uri;
import android.provider.DocumentsContract;
import android.util.Log;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
final class EjectRootTask extends CheckedTask<Void, Boolean> {
private final String mAuthority;
private final String mRootId;
private final Consumer<Boolean> mCallback;
private Context mContext;
/**
* @param ejectCanceledCheck The method reference we use to see whether eject should be stopped
* at any point
* @param finishCallback The end callback necessary when the eject task finishes
*/
public EjectRootTask(Context context,
String authority,
String rootId,
BooleanSupplier ejectCanceledCheck,
Consumer<Boolean> finishCallback) {
super(ejectCanceledCheck::getAsBoolean);
mAuthority = authority;
mRootId = rootId;
mContext = context;
mCallback = finishCallback;
}
@Override
protected Boolean run(Void... params) {
final ContentResolver resolver = mContext.getContentResolver();
Uri rootUri = DocumentsContract.buildRootUri(mAuthority, mRootId);
ContentProviderClient client = null;
try {
client = DocumentsApplication.acquireUnstableProviderOrThrow(
resolver, mAuthority);
return DocumentsContract.ejectRoot(client, rootUri);
} catch (Exception e) {
Log.w(Shared.TAG, "Failed to eject root", e);
} finally {
ContentProviderClient.releaseQuietly(client);
}
return false;
}
@Override
protected void finish(Boolean ejected) {
mCallback.accept(ejected);
}
}
|
