Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 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 | |
Sascha Haeberling | 8e963a5 | 2013-08-06 11:43:02 -0700 | [diff] [blame] | 19 | import java.io.File; |
| 20 | import java.io.FileOutputStream; |
| 21 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 22 | import android.annotation.TargetApi; |
| 23 | import android.content.ContentResolver; |
| 24 | import android.content.ContentValues; |
| 25 | import android.location.Location; |
| 26 | import android.net.Uri; |
| 27 | import android.os.Build; |
| 28 | import android.os.Environment; |
| 29 | import android.os.StatFs; |
| 30 | import android.provider.MediaStore.Images; |
| 31 | import android.provider.MediaStore.Images.ImageColumns; |
| 32 | import android.provider.MediaStore.MediaColumns; |
| 33 | import android.util.Log; |
| 34 | |
Angus Kong | b50b5cb | 2013-08-09 14:55:20 -0700 | [diff] [blame] | 35 | import com.android.camera.util.ApiHelper; |
Angus Kong | 0d00a89 | 2013-03-26 11:40:40 -0700 | [diff] [blame] | 36 | import com.android.gallery3d.exif.ExifInterface; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 37 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 38 | public class Storage { |
| 39 | private static final String TAG = "CameraStorage"; |
| 40 | |
| 41 | public static final String DCIM = |
| 42 | Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).toString(); |
| 43 | |
| 44 | public static final String DIRECTORY = DCIM + "/Camera"; |
| 45 | |
| 46 | // Match the code in MediaProvider.computeBucketValues(). |
| 47 | public static final String BUCKET_ID = |
| 48 | String.valueOf(DIRECTORY.toLowerCase().hashCode()); |
| 49 | |
| 50 | public static final long UNAVAILABLE = -1L; |
| 51 | public static final long PREPARING = -2L; |
| 52 | public static final long UNKNOWN_SIZE = -3L; |
Angus Kong | 0d00a89 | 2013-03-26 11:40:40 -0700 | [diff] [blame] | 53 | public static final long LOW_STORAGE_THRESHOLD = 50000000; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 54 | |
| 55 | @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| 56 | private static void setImageSize(ContentValues values, int width, int height) { |
| 57 | // The two fields are available since ICS but got published in JB |
| 58 | if (ApiHelper.HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT) { |
| 59 | values.put(MediaColumns.WIDTH, width); |
| 60 | values.put(MediaColumns.HEIGHT, height); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | public static void writeFile(String path, byte[] data) { |
| 65 | FileOutputStream out = null; |
| 66 | try { |
| 67 | out = new FileOutputStream(path); |
| 68 | out.write(data); |
| 69 | } catch (Exception e) { |
| 70 | Log.e(TAG, "Failed to write data", e); |
| 71 | } finally { |
| 72 | try { |
| 73 | out.close(); |
| 74 | } catch (Exception e) { |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | // Save the image and add it to media store. |
| 80 | public static Uri addImage(ContentResolver resolver, String title, |
Angus Kong | 0d00a89 | 2013-03-26 11:40:40 -0700 | [diff] [blame] | 81 | long date, Location location, int orientation, ExifInterface exif, |
| 82 | byte[] jpeg, int width, int height) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 83 | // Save the image. |
| 84 | String path = generateFilepath(title); |
Angus Kong | 0d00a89 | 2013-03-26 11:40:40 -0700 | [diff] [blame] | 85 | if (exif != null) { |
| 86 | try { |
| 87 | exif.writeExif(jpeg, path); |
| 88 | } catch (Exception e) { |
| 89 | Log.e(TAG, "Failed to write data", e); |
| 90 | } |
| 91 | } else { |
| 92 | writeFile(path, jpeg); |
| 93 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 94 | return addImage(resolver, title, date, location, orientation, |
| 95 | jpeg.length, path, width, height); |
| 96 | } |
| 97 | |
| 98 | // Add the image to media store. |
| 99 | public static Uri addImage(ContentResolver resolver, String title, |
| 100 | long date, Location location, int orientation, int jpegLength, |
| 101 | String path, int width, int height) { |
| 102 | // Insert into MediaStore. |
| 103 | ContentValues values = new ContentValues(9); |
| 104 | values.put(ImageColumns.TITLE, title); |
| 105 | values.put(ImageColumns.DISPLAY_NAME, title + ".jpg"); |
| 106 | values.put(ImageColumns.DATE_TAKEN, date); |
| 107 | values.put(ImageColumns.MIME_TYPE, "image/jpeg"); |
| 108 | // Clockwise rotation in degrees. 0, 90, 180, or 270. |
| 109 | values.put(ImageColumns.ORIENTATION, orientation); |
| 110 | values.put(ImageColumns.DATA, path); |
| 111 | values.put(ImageColumns.SIZE, jpegLength); |
| 112 | |
| 113 | setImageSize(values, width, height); |
| 114 | |
| 115 | if (location != null) { |
| 116 | values.put(ImageColumns.LATITUDE, location.getLatitude()); |
| 117 | values.put(ImageColumns.LONGITUDE, location.getLongitude()); |
| 118 | } |
| 119 | |
| 120 | Uri uri = null; |
| 121 | try { |
| 122 | uri = resolver.insert(Images.Media.EXTERNAL_CONTENT_URI, values); |
| 123 | } catch (Throwable th) { |
| 124 | // This can happen when the external volume is already mounted, but |
| 125 | // MediaScanner has not notify MediaProvider to add that volume. |
| 126 | // The picture is still safe and MediaScanner will find it and |
| 127 | // insert it into MediaProvider. The only problem is that the user |
| 128 | // cannot click the thumbnail to review the picture. |
| 129 | Log.e(TAG, "Failed to write MediaStore" + th); |
| 130 | } |
| 131 | return uri; |
| 132 | } |
| 133 | |
| 134 | public static void deleteImage(ContentResolver resolver, Uri uri) { |
| 135 | try { |
| 136 | resolver.delete(uri, null, null); |
| 137 | } catch (Throwable th) { |
| 138 | Log.e(TAG, "Failed to delete image: " + uri); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | public static String generateFilepath(String title) { |
| 143 | return DIRECTORY + '/' + title + ".jpg"; |
| 144 | } |
| 145 | |
| 146 | public static long getAvailableSpace() { |
| 147 | String state = Environment.getExternalStorageState(); |
| 148 | Log.d(TAG, "External storage state=" + state); |
| 149 | if (Environment.MEDIA_CHECKING.equals(state)) { |
| 150 | return PREPARING; |
| 151 | } |
| 152 | if (!Environment.MEDIA_MOUNTED.equals(state)) { |
| 153 | return UNAVAILABLE; |
| 154 | } |
| 155 | |
| 156 | File dir = new File(DIRECTORY); |
| 157 | dir.mkdirs(); |
| 158 | if (!dir.isDirectory() || !dir.canWrite()) { |
| 159 | return UNAVAILABLE; |
| 160 | } |
| 161 | |
| 162 | try { |
| 163 | StatFs stat = new StatFs(DIRECTORY); |
| 164 | return stat.getAvailableBlocks() * (long) stat.getBlockSize(); |
| 165 | } catch (Exception e) { |
| 166 | Log.i(TAG, "Fail to access external storage", e); |
| 167 | } |
| 168 | return UNKNOWN_SIZE; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * OSX requires plugged-in USB storage to have path /DCIM/NNNAAAAA to be |
| 173 | * imported. This is a temporary fix for bug#1655552. |
| 174 | */ |
| 175 | public static void ensureOSXCompatible() { |
| 176 | File nnnAAAAA = new File(DCIM, "100ANDRO"); |
| 177 | if (!(nnnAAAAA.exists() || nnnAAAAA.mkdirs())) { |
| 178 | Log.e(TAG, "Failed to create " + nnnAAAAA.getPath()); |
| 179 | } |
| 180 | } |
| 181 | } |