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.gallery3d.data; 18 19 import com.android.gallery3d.util.ThreadPool.Job; 20 21 import android.graphics.Bitmap; 22 import android.graphics.BitmapRegionDecoder; 23 24 // MediaItem represents an image or a video item. 25 public abstract class MediaItem extends MediaObject { 26 // NOTE: These type numbers are stored in the image cache, so it should not 27 // not be changed without resetting the cache. 28 public static final int TYPE_THUMBNAIL = 1; 29 public static final int TYPE_MICROTHUMBNAIL = 2; 30 31 public static final int THUMBNAIL_TARGET_SIZE = 640; 32 public static final int MICROTHUMBNAIL_TARGET_SIZE = 200; 33 public static final int CACHED_IMAGE_QUALITY = 95; 34 35 public static final int IMAGE_READY = 0; 36 public static final int IMAGE_WAIT = 1; 37 public static final int IMAGE_ERROR = -1; 38 39 public static final String MIME_TYPE_JPEG = "image/jpeg"; 40 41 // TODO: fix default value for latlng and change this. 42 public static final double INVALID_LATLNG = 0f; 43 44 public abstract Job<Bitmap> requestImage(int type); 45 public abstract Job<BitmapRegionDecoder> requestLargeImage(); 46 47 public MediaItem(Path path, long version) { 48 super(path, version); 49 } 50 51 public long getDateInMs() { 52 return 0; 53 } 54 55 public String getName() { 56 return null; 57 } 58 59 public void getLatLong(double[] latLong) { 60 latLong[0] = INVALID_LATLNG; 61 latLong[1] = INVALID_LATLNG; 62 } 63 64 public String[] getTags() { 65 return null; 66 } 67 68 public Face[] getFaces() { 69 return null; 70 } 71 72 // The rotation of the full-resolution image. By default, it returns the value of 73 // getRotation(). 74 public int getFullImageRotation() { 75 return getRotation(); 76 } 77 78 public int getRotation() { 79 return 0; 80 } 81 82 public long getSize() { 83 return 0; 84 } 85 86 public abstract String getMimeType(); 87 88 // Returns width and height of the media item. 89 // Returns 0, 0 if the information is not available. 90 public abstract int getWidth(); 91 public abstract int getHeight(); 92 } 93
