DeleteJob.java revision d5b2af1544629d48175d857785db32f2b8957f3a 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.documentsui.services;
18
19import static com.android.documentsui.Shared.DEBUG;
20import static com.android.documentsui.services.FileOperationService.OPERATION_DELETE;
21
22import android.app.Notification;
23import android.app.Notification.Builder;
24import android.content.Context;
25import android.os.RemoteException;
26import android.util.Log;
27
28import com.android.documentsui.Metrics;
29import com.android.documentsui.R;
30import com.android.documentsui.model.DocumentInfo;
31import com.android.documentsui.model.DocumentStack;
32
33import java.util.List;
34
35final class DeleteJob extends Job {
36
37    private static final String TAG = "DeleteJob";
38    private List<DocumentInfo> mSrcs;
39    final DocumentInfo mSrcParent;
40
41    /**
42     * Moves files to a destination identified by {@code destination}.
43     * Performs most work by delegating to CopyJob, then deleting
44     * a file after it has been copied.
45     *
46     * @see @link {@link Job} constructor for most param descriptions.
47     *
48     * @param srcs List of files to delete.
49     * @param srcParent Parent of all source files.
50     */
51    DeleteJob(Context service, Context appContext, Listener listener,
52            String id, DocumentStack stack, List<DocumentInfo> srcs, DocumentInfo srcParent) {
53        super(service, appContext, listener, OPERATION_DELETE, id, stack);
54        this.mSrcs = srcs;
55        this.mSrcParent = srcParent;
56    }
57
58    @Override
59    Builder createProgressBuilder() {
60        return super.createProgressBuilder(
61                service.getString(R.string.move_notification_title),
62                R.drawable.ic_menu_copy,
63                service.getString(android.R.string.cancel),
64                R.drawable.ic_cab_cancel);
65    }
66
67    @Override
68    public Notification getSetupNotification() {
69        return getSetupNotification(service.getString(R.string.delete_preparing));
70    }
71
72    @Override
73    Notification getFailureNotification() {
74        return getFailureNotification(
75                R.plurals.delete_error_notification_title, R.drawable.ic_menu_delete);
76    }
77
78    @Override
79    Notification getWarningNotification() {
80        throw new UnsupportedOperationException();
81    }
82
83    @Override
84    void start() throws RemoteException {
85        for (DocumentInfo doc : mSrcs) {
86            if (DEBUG) Log.d(TAG, "Deleting document @ " + doc.derivedUri);
87            // TODO: Start using mSrcParent as soon as DocumentsProvider::removeDocument() is
88            // implemented.
89            if (!deleteDocument(doc)) {
90                Log.w(TAG, "Failed to delete document @ " + doc.derivedUri);
91                onFileFailed(doc);
92            }
93        }
94        Metrics.logFileOperation(service, operationType, mSrcs, null);
95    }
96
97    @Override
98    public String toString() {
99        return new StringBuilder()
100                .append("DeleteJob")
101                .append("{")
102                .append("id=" + id)
103                .append(", srcs=" + mSrcs)
104                .append(", srcParent=" + mSrcParent)
105                .append(", location=" + stack)
106                .append("}")
107                .toString();
108    }
109}
110