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      1 /*
      2  * Copyright (C) 2009 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.cooliris.media;
     18 
     19 import java.util.Date;
     20 
     21 public final class MediaItem {
     22     public static final int MEDIA_TYPE_IMAGE = 0;
     23     public static final int MEDIA_TYPE_VIDEO = 1;
     24     // Approximately the year 1975 in milliseconds and seconds. Serves as a min
     25     // cutoff for bad times.
     26     public static final long MIN_VALID_DATE_IN_MS = 157680000000L;
     27     public static final long MIN_VALID_DATE_IN_SEC = 157680000L;
     28     // Approximately the year 2035 in milliseconds ans seconds. Serves as a max
     29     // cutoff for bad time.
     30     public static final long MAX_VALID_DATE_IN_MS = 2049840000000L;
     31     public static final long MAX_VALID_DATE_IN_SEC = 2049840000L;
     32 
     33     // mId is not a unique identifier of the item mId is initialized to -1 in
     34     // some cases.
     35     public static final String ID = new String("id");
     36     public long mId;
     37 
     38     public String mGuid;
     39     public String mCaption;
     40     public String mEditUri;
     41     public String mContentUri;
     42     public String mThumbnailUri;
     43     public String mScreennailUri;
     44     public String mMicroThumbnailUri;
     45     public String mWeblink;
     46     public String mMimeType;
     47     private String mDisplayMimeType;
     48     private int mMediaType = -1;
     49     public String mRole;
     50     public String mDescription;
     51 
     52     // Location-based properties of the item.
     53     public double mLatitude;
     54     public double mLongitude;
     55     public String mReverseGeocodedLocation;
     56 
     57     public long mDateTakenInMs = 0;
     58     public Date mLocaltime;
     59     public boolean mTriedRetrievingExifDateTaken = false;
     60     public long mDateModifiedInSec = 0;
     61     public long mDateAddedInSec = 0;
     62     public int mDurationInSec;
     63 
     64     public int mPrimingState = 0;
     65     public static final int NOT_PRIMED = 0;
     66     public static final int STARTED_PRIMING = 1;
     67     public static final int PRIMED = 2;
     68 
     69     public int mClusteringState = 0;
     70     public static final int NOT_CLUSTERED = 0;
     71     public static final int CLUSTERED = 1;
     72 
     73     public float mRotation;
     74 
     75     public long mThumbnailId;
     76     public int mThumbnailFocusX;
     77     public int mThumbnailFocusY;
     78 
     79     public String mFilePath;
     80 
     81     public MediaSet mParentMediaSet;
     82     public boolean mFlagForDelete;
     83 
     84     public MediaItem() {
     85         mCaption = "";
     86     }
     87 
     88     public boolean isWellFormed() {
     89         return true;
     90     }
     91 
     92     @Override
     93     public String toString() {
     94         return mCaption;
     95     }
     96 
     97     public boolean isLatLongValid() {
     98         return (mLatitude != 0.0 || mLongitude != 0.0);
     99     }
    100 
    101     // Serves as a sanity check cutoff for bad exif information.
    102     public boolean isDateTakenValid() {
    103         return (mDateTakenInMs > MIN_VALID_DATE_IN_MS && mDateTakenInMs < MAX_VALID_DATE_IN_MS);
    104     }
    105 
    106     public boolean isDateModifiedValid() {
    107         return (mDateModifiedInSec > MIN_VALID_DATE_IN_SEC && mDateModifiedInSec < MAX_VALID_DATE_IN_SEC);
    108     }
    109 
    110     public boolean isDateAddedValid() {
    111         return (mDateAddedInSec > MIN_VALID_DATE_IN_SEC && mDateAddedInSec < MAX_VALID_DATE_IN_SEC);
    112     }
    113 
    114     public boolean isPicassaItem() {
    115         return (mParentMediaSet != null && mParentMediaSet.isPicassaAlbum());
    116     }
    117 
    118     private static final String VIDEO = "video/";
    119 
    120     public int getMediaType() {
    121         if (mMediaType == -1) {
    122             // Default to image if mMimetype is null or not video.
    123             mMediaType = (mMimeType != null && mMimeType.startsWith(VIDEO)) ? MediaItem.MEDIA_TYPE_VIDEO
    124                     : MediaItem.MEDIA_TYPE_IMAGE;
    125         }
    126         return mMediaType;
    127     }
    128 
    129     public void setMediaType(int mediaType) {
    130         mMediaType = mediaType;
    131     }
    132 
    133     public String getDisplayMimeType() {
    134         if (mDisplayMimeType == null && mMimeType != null) {
    135             int slashPos = mMimeType.indexOf('/');
    136             if (slashPos != -1 && slashPos + 1 < mMimeType.length()) {
    137                 mDisplayMimeType = mMimeType.substring(slashPos + 1).toUpperCase();
    138             } else {
    139                 mDisplayMimeType = mMimeType.toUpperCase();
    140             }
    141         }
    142         return (mDisplayMimeType == null) ? "" : mDisplayMimeType;
    143     }
    144 
    145     public void setDisplayMimeType(final String displayMimeType) {
    146         mDisplayMimeType = displayMimeType;
    147     }
    148 
    149     public String getReverseGeocodedLocation(ReverseGeocoder reverseGeocoder) {
    150         if (mReverseGeocodedLocation != null) {
    151             return mReverseGeocodedLocation;
    152         }
    153         if (reverseGeocoder == null || !isLatLongValid()) {
    154             return null;
    155         }
    156         // Get the 2 most granular details available.
    157         mReverseGeocodedLocation = reverseGeocoder.getReverseGeocodedLocation(mLatitude, mLongitude, 2);
    158         return mReverseGeocodedLocation;
    159     }
    160 }
    161