1 /* 2 * Copyright (C) 2013 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.gallery3d.ingest; 18 19 import android.content.Context; 20 import android.mtp.MtpDevice; 21 import android.mtp.MtpObjectInfo; 22 import android.os.Environment; 23 import android.os.PowerManager; 24 25 import com.android.gallery3d.util.GalleryUtils; 26 27 import java.io.File; 28 import java.util.Collection; 29 import java.util.LinkedList; 30 import java.util.List; 31 32 public class ImportTask implements Runnable { 33 34 public interface Listener { 35 void onImportProgress(int visitedCount, int totalCount, String pathIfSuccessful); 36 37 void onImportFinish(Collection<MtpObjectInfo> objectsNotImported, int visitedCount); 38 } 39 40 static private final String WAKELOCK_LABEL = "MTP Import Task"; 41 42 private Listener mListener; 43 private String mDestAlbumName; 44 private Collection<MtpObjectInfo> mObjectsToImport; 45 private MtpDevice mDevice; 46 private PowerManager.WakeLock mWakeLock; 47 48 public ImportTask(MtpDevice device, Collection<MtpObjectInfo> objectsToImport, 49 String destAlbumName, Context context) { 50 mDestAlbumName = destAlbumName; 51 mObjectsToImport = objectsToImport; 52 mDevice = device; 53 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 54 mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, WAKELOCK_LABEL); 55 } 56 57 public void setListener(Listener listener) { 58 mListener = listener; 59 } 60 61 @Override 62 public void run() { 63 mWakeLock.acquire(); 64 try { 65 List<MtpObjectInfo> objectsNotImported = new LinkedList<MtpObjectInfo>(); 66 int visited = 0; 67 int total = mObjectsToImport.size(); 68 mListener.onImportProgress(visited, total, null); 69 File dest = new File(Environment.getExternalStorageDirectory(), mDestAlbumName); 70 dest.mkdirs(); 71 for (MtpObjectInfo object : mObjectsToImport) { 72 visited++; 73 String importedPath = null; 74 if (GalleryUtils.hasSpaceForSize(object.getCompressedSize())) { 75 importedPath = new File(dest, object.getName()).getAbsolutePath(); 76 if (!mDevice.importFile(object.getObjectHandle(), importedPath)) { 77 importedPath = null; 78 } 79 } 80 if (importedPath == null) { 81 objectsNotImported.add(object); 82 } 83 if (mListener != null) { 84 mListener.onImportProgress(visited, total, importedPath); 85 } 86 } 87 if (mListener != null) { 88 mListener.onImportFinish(objectsNotImported, visited); 89 } 90 } finally { 91 mListener = null; 92 mWakeLock.release(); 93 } 94 } 95 } 96
