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_MOVE; 21 22 import android.app.Notification; 23 import android.app.Notification.Builder; 24 import android.content.Context; 25 import android.os.RemoteException; 26 import android.provider.DocumentsContract; 27 import android.provider.DocumentsContract.Document; 28 import android.util.Log; 29 30 import com.android.documentsui.R; 31 import com.android.documentsui.model.DocumentInfo; 32 import com.android.documentsui.model.DocumentStack; 33 34 import java.util.List; 35 36 // TODO: Stop extending CopyJob. 37 final class MoveJob extends CopyJob { 38 39 private static final String TAG = "MoveJob"; 40 41 final DocumentInfo mSrcParent; 42 43 /** 44 * Moves files to a destination identified by {@code destination}. 45 * Performs most work by delegating to CopyJob, then deleting 46 * a file after it has been copied. 47 * 48 * @see @link {@link Job} constructor for most param descriptions. 49 * 50 * @param srcs List of files to be moved. 51 * @param srcParent Parent of all source files. 52 */ MoveJob(Context service, Context appContext, Listener listener, String id, DocumentStack destination, List<DocumentInfo> srcs, DocumentInfo srcParent)53 MoveJob(Context service, Context appContext, Listener listener, 54 String id, DocumentStack destination, List<DocumentInfo> srcs, DocumentInfo srcParent) { 55 super(service, appContext, listener, OPERATION_MOVE, id, destination, srcs); 56 this.mSrcParent = srcParent; 57 } 58 59 @Override createProgressBuilder()60 Builder createProgressBuilder() { 61 return super.createProgressBuilder( 62 service.getString(R.string.move_notification_title), 63 R.drawable.ic_menu_copy, 64 service.getString(android.R.string.cancel), 65 R.drawable.ic_cab_cancel); 66 } 67 68 @Override getSetupNotification()69 public Notification getSetupNotification() { 70 return getSetupNotification(service.getString(R.string.move_preparing)); 71 } 72 73 @Override getProgressNotification()74 public Notification getProgressNotification() { 75 return getProgressNotification(R.string.copy_remaining); 76 } 77 78 @Override getFailureNotification()79 Notification getFailureNotification() { 80 return getFailureNotification( 81 R.plurals.move_error_notification_title, R.drawable.ic_menu_copy); 82 } 83 processDocument(DocumentInfo src, DocumentInfo srcParent, DocumentInfo dest)84 void processDocument(DocumentInfo src, DocumentInfo srcParent, DocumentInfo dest) 85 throws ResourceException { 86 87 // TODO: When optimized move kicks in, we're not making any progress updates. FIX IT! 88 89 // When moving within the same provider, try to use optimized moving. 90 // If not supported, then fallback to byte-by-byte copy/move. 91 if (src.authority.equals(dest.authority)) { 92 if ((src.flags & Document.FLAG_SUPPORTS_MOVE) != 0) { 93 try { 94 if (DocumentsContract.moveDocument(getClient(src), src.derivedUri, 95 srcParent != null ? srcParent.derivedUri : mSrcParent.derivedUri, 96 dest.derivedUri) != null) { 97 return; 98 } 99 } catch (RemoteException | RuntimeException e) { 100 Log.e(TAG, "Provider side move failed for: " + src.derivedUri 101 + " due to an exception: ", e); 102 } 103 // If optimized move fails, then fallback to byte-by-byte copy. 104 if (DEBUG) Log.d(TAG, "Fallback to byte-by-byte move for: " + src.derivedUri); 105 } 106 } 107 108 // Moving virtual files by bytes is not supported. This is because, it would involve 109 // conversion, and the source file should not be deleted in such case (as it's a different 110 // file). 111 if (src.isVirtualDocument()) { 112 throw new ResourceException("Cannot move virtual file %s byte by byte.", 113 src.derivedUri); 114 } 115 116 // If we couldn't do an optimized copy...we fall back to vanilla byte copy. 117 byteCopyDocument(src, dest); 118 119 // Remove the source document. 120 deleteDocument(src, srcParent); 121 } 122 123 @Override toString()124 public String toString() { 125 return new StringBuilder() 126 .append("MoveJob") 127 .append("{") 128 .append("id=" + id) 129 .append(", srcs=" + mSrcs) 130 .append(", srcParent=" + mSrcParent) 131 .append(", destination=" + stack) 132 .append("}") 133 .toString(); 134 } 135 } 136