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      1 /*
      2  * Copyright (C) 2012 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 android.graphics.Bitmap;
     20 import android.graphics.BitmapFactory;
     21 import android.graphics.BitmapRegionDecoder;
     22 import android.net.Uri;
     23 
     24 import com.android.gallery3d.app.GalleryApp;
     25 import com.android.gallery3d.common.BitmapUtils;
     26 import com.android.gallery3d.common.Utils;
     27 import com.android.gallery3d.util.ThreadPool.Job;
     28 import com.android.gallery3d.util.ThreadPool.JobContext;
     29 
     30 public class ActionImage extends MediaItem {
     31     @SuppressWarnings("unused")
     32     private static final String TAG = "ActionImage";
     33     private GalleryApp mApplication;
     34     private int mResourceId;
     35 
     36     public ActionImage(Path path, GalleryApp application, int resourceId) {
     37         super(path, nextVersionNumber());
     38         mApplication = Utils.checkNotNull(application);
     39         mResourceId = resourceId;
     40     }
     41 
     42     @Override
     43     public Job<Bitmap> requestImage(int type) {
     44         return new BitmapJob(type);
     45     }
     46 
     47     @Override
     48     public Job<BitmapRegionDecoder> requestLargeImage() {
     49         return null;
     50     }
     51 
     52     private class BitmapJob implements Job<Bitmap> {
     53         private int mType;
     54 
     55         protected BitmapJob(int type) {
     56             mType = type;
     57         }
     58 
     59         @Override
     60         public Bitmap run(JobContext jc) {
     61             int targetSize = MediaItem.getTargetSize(mType);
     62             Bitmap bitmap = BitmapFactory.decodeResource(mApplication.getResources(),
     63                     mResourceId);
     64 
     65             if (mType == MediaItem.TYPE_MICROTHUMBNAIL) {
     66                 bitmap = BitmapUtils.resizeAndCropCenter(bitmap, targetSize, true);
     67             } else {
     68                 bitmap = BitmapUtils.resizeDownBySideLength(bitmap, targetSize, true);
     69             }
     70             return bitmap;
     71         }
     72     }
     73 
     74     @Override
     75     public int getSupportedOperations() {
     76         return SUPPORT_ACTION;
     77     }
     78 
     79     @Override
     80     public int getMediaType() {
     81         return MEDIA_TYPE_UNKNOWN;
     82     }
     83 
     84     @Override
     85     public Uri getContentUri() {
     86         return null;
     87     }
     88 
     89     @Override
     90     public String getMimeType() {
     91         return "";
     92     }
     93 
     94     @Override
     95     public int getWidth() {
     96         return 0;
     97     }
     98 
     99     @Override
    100     public int getHeight() {
    101         return 0;
    102     }
    103 }
    104