1 /* 2 * Copyright (C) 2010 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.camera; 18 19 import android.content.ContentResolver; 20 import android.content.ContentValues; 21 import android.location.Location; 22 import android.net.Uri; 23 import android.os.Environment; 24 import android.os.StatFs; 25 import android.provider.MediaStore.Images; 26 import android.provider.MediaStore.Images.ImageColumns; 27 import android.util.Log; 28 29 import java.io.File; 30 import java.io.FileOutputStream; 31 32 public class Storage { 33 private static final String TAG = "CameraStorage"; 34 35 public static final String DCIM = 36 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).toString(); 37 38 public static final String DIRECTORY = DCIM + "/Camera"; 39 40 // Match the code in MediaProvider.computeBucketValues(). 41 public static final String BUCKET_ID = 42 String.valueOf(DIRECTORY.toLowerCase().hashCode()); 43 44 public static final long UNAVAILABLE = -1L; 45 public static final long PREPARING = -2L; 46 public static final long UNKNOWN_SIZE = -3L; 47 public static final long LOW_STORAGE_THRESHOLD= 50000000; 48 public static final long PICTURE_SIZE = 1500000; 49 50 private static final int BUFSIZE = 4096; 51 addImage(ContentResolver resolver, String title, long date, Location location, int orientation, byte[] jpeg, int width, int height)52 public static Uri addImage(ContentResolver resolver, String title, long date, 53 Location location, int orientation, byte[] jpeg, int width, int height) { 54 // Save the image. 55 String path = DIRECTORY + '/' + title + ".jpg"; 56 FileOutputStream out = null; 57 try { 58 out = new FileOutputStream(path); 59 out.write(jpeg); 60 } catch (Exception e) { 61 Log.e(TAG, "Failed to write image", e); 62 return null; 63 } finally { 64 try { 65 out.close(); 66 } catch (Exception e) { 67 } 68 } 69 70 // Insert into MediaStore. 71 ContentValues values = new ContentValues(9); 72 values.put(ImageColumns.TITLE, title); 73 values.put(ImageColumns.DISPLAY_NAME, title + ".jpg"); 74 values.put(ImageColumns.DATE_TAKEN, date); 75 values.put(ImageColumns.MIME_TYPE, "image/jpeg"); 76 values.put(ImageColumns.ORIENTATION, orientation); 77 values.put(ImageColumns.DATA, path); 78 values.put(ImageColumns.SIZE, jpeg.length); 79 values.put(ImageColumns.WIDTH, width); 80 values.put(ImageColumns.HEIGHT, height); 81 82 if (location != null) { 83 values.put(ImageColumns.LATITUDE, location.getLatitude()); 84 values.put(ImageColumns.LONGITUDE, location.getLongitude()); 85 } 86 87 Uri uri = resolver.insert(Images.Media.EXTERNAL_CONTENT_URI, values); 88 if (uri == null) { 89 Log.e(TAG, "Failed to write MediaStore"); 90 return null; 91 } 92 return uri; 93 } 94 getAvailableSpace()95 public static long getAvailableSpace() { 96 String state = Environment.getExternalStorageState(); 97 Log.d(TAG, "External storage state=" + state); 98 if (Environment.MEDIA_CHECKING.equals(state)) { 99 return PREPARING; 100 } 101 if (!Environment.MEDIA_MOUNTED.equals(state)) { 102 return UNAVAILABLE; 103 } 104 105 File dir = new File(DIRECTORY); 106 dir.mkdirs(); 107 if (!dir.isDirectory() || !dir.canWrite()) { 108 return UNAVAILABLE; 109 } 110 111 try { 112 StatFs stat = new StatFs(DIRECTORY); 113 return stat.getAvailableBlocks() * (long) stat.getBlockSize(); 114 } catch (Exception e) { 115 Log.i(TAG, "Fail to access external storage", e); 116 } 117 return UNKNOWN_SIZE; 118 } 119 120 /** 121 * OSX requires plugged-in USB storage to have path /DCIM/NNNAAAAA to be 122 * imported. This is a temporary fix for bug#1655552. 123 */ ensureOSXCompatible()124 public static void ensureOSXCompatible() { 125 File nnnAAAAA = new File(DCIM, "100ANDRO"); 126 if (!(nnnAAAAA.exists() || nnnAAAAA.mkdirs())) { 127 Log.e(TAG, "Failed to create " + nnnAAAAA.getPath()); 128 } 129 } 130 } 131