Home | History | Annotate | Download | only in gallery 
      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.android.camera.gallery;
     18 
     19 import android.content.ContentResolver;
     20 import android.database.Cursor;
     21 import android.graphics.Bitmap;
     22 import android.net.Uri;
     23 import android.provider.DrmStore;
     24 
     25 /**
     26  * Represents an ordered collection of Image objects from the DRM provider.
     27  */
     28 public class DrmImageList extends ImageList implements IImageList {
     29 
     30     // TODO: get other field from database too ?
     31     private static final String[] DRM_IMAGE_PROJECTION = new String[] {
     32         DrmStore.Images._ID,
     33         DrmStore.Images.DATA,
     34         DrmStore.Images.MIME_TYPE,
     35     };
     36 
     37     private static final int INDEX_ID = 0;
     38     private static final int INDEX_DATA_PATH = 1;
     39     private static final int INDEX_MIME_TYPE = 2;
     40 
     41     public DrmImageList(ContentResolver resolver, Uri imageUri, int sort,
     42             String bucketId) {
     43         super(resolver, imageUri, sort, bucketId);
     44     }
     45 
     46     @Override
     47     protected String sortOrder() {
     48         // We have no date information in DrmStore, so we just sort by _id.
     49         return "_id ASC";
     50     }
     51 
     52     @Override
     53     protected Cursor createCursor() {
     54         return mContentResolver.query(
     55                 mBaseUri, DRM_IMAGE_PROJECTION, null, null, sortOrder());
     56     }
     57 
     58     private static class DrmImage extends Image {
     59 
     60         protected DrmImage(BaseImageList container, ContentResolver cr,
     61                 long id, int index, Uri uri, String dataPath,
     62                 long miniThumbMagic, String mimeType, long dateTaken,
     63                 String title, int rotation) {
     64             super(container, cr, id, index, uri, dataPath,
     65                     mimeType, dateTaken, title, rotation);
     66         }
     67 
     68         @Override
     69         public int getDegreesRotated() {
     70             return 0;
     71         }
     72 
     73         @Override
     74         public boolean isDrm() {
     75             return true;
     76         }
     77 
     78         @Override
     79         public boolean isReadonly() {
     80             return true;
     81         }
     82 
     83         @Override
     84         public Bitmap miniThumbBitmap() {
     85             return fullSizeBitmap(IImage.MINI_THUMB_TARGET_SIZE,
     86                     IImage.MINI_THUMB_MAX_NUM_PIXELS);
     87         }
     88 
     89         @Override
     90         public Bitmap thumbBitmap(boolean rotateAsNeeded) {
     91             return fullSizeBitmap(IImage.THUMBNAIL_TARGET_SIZE,
     92                     IImage.THUMBNAIL_MAX_NUM_PIXELS);
     93         }
     94     }
     95 
     96     @Override
     97     protected BaseImage loadImageFromCursor(Cursor cursor) {
     98         long id = cursor.getLong(INDEX_ID);
     99         String dataPath = cursor.getString(INDEX_DATA_PATH);
    100         String mimeType = cursor.getString(INDEX_MIME_TYPE);
    101         return new DrmImage(this, mContentResolver, id, cursor.getPosition(),
    102                 contentUri(id), dataPath, 0, mimeType, 0, "DrmImage-" + id,
    103                 0);
    104     }
    105 }
    106