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 17 package com.android.documentsui.services; 18 19 import static com.android.documentsui.Shared.DEBUG; 20 import static com.android.documentsui.services.FileOperationService.OPERATION_DELETE; 21 22 import android.app.Notification; 23 import android.app.Notification.Builder; 24 import android.content.Context; 25 import android.util.Log; 26 27 import com.android.documentsui.Metrics; 28 import com.android.documentsui.R; 29 import com.android.documentsui.model.DocumentInfo; 30 import com.android.documentsui.model.DocumentStack; 31 32 import java.util.List; 33 34 final class DeleteJob extends Job { 35 36 private static final String TAG = "DeleteJob"; 37 private List<DocumentInfo> mSrcs; 38 final DocumentInfo mSrcParent; 39 40 /** 41 * Moves files to a destination identified by {@code destination}. 42 * Performs most work by delegating to CopyJob, then deleting 43 * a file after it has been copied. 44 * 45 * @see @link {@link Job} constructor for most param descriptions. 46 * 47 * @param srcs List of files to delete. 48 * @param srcParent Parent of all source files. 49 */ 50 DeleteJob(Context service, Context appContext, Listener listener, 51 String id, DocumentStack stack, List<DocumentInfo> srcs, DocumentInfo srcParent) { 52 super(service, appContext, listener, OPERATION_DELETE, id, stack); 53 this.mSrcs = srcs; 54 this.mSrcParent = srcParent; 55 } 56 57 @Override 58 Builder createProgressBuilder() { 59 return super.createProgressBuilder( 60 service.getString(R.string.delete_notification_title), 61 R.drawable.ic_menu_delete, 62 service.getString(android.R.string.cancel), 63 R.drawable.ic_cab_cancel); 64 } 65 66 @Override 67 public Notification getSetupNotification() { 68 return getSetupNotification(service.getString(R.string.delete_preparing)); 69 } 70 71 @Override 72 Notification getFailureNotification() { 73 return getFailureNotification( 74 R.plurals.delete_error_notification_title, R.drawable.ic_menu_delete); 75 } 76 77 @Override 78 Notification getWarningNotification() { 79 throw new UnsupportedOperationException(); 80 } 81 82 @Override 83 void start() { 84 for (DocumentInfo doc : mSrcs) { 85 if (DEBUG) Log.d(TAG, "Deleting document @ " + doc.derivedUri); 86 try { 87 deleteDocument(doc, mSrcParent); 88 } catch (ResourceException e) { 89 Log.e(TAG, "Failed to delete document @ " + doc.derivedUri, e); 90 onFileFailed(doc); 91 } 92 } 93 Metrics.logFileOperation(service, operationType, mSrcs, null); 94 } 95 96 @Override 97 public String toString() { 98 return new StringBuilder() 99 .append("DeleteJob") 100 .append("{") 101 .append("id=" + id) 102 .append(", srcs=" + mSrcs) 103 .append(", srcParent=" + mSrcParent) 104 .append(", location=" + stack) 105 .append("}") 106 .toString(); 107 } 108 } 109