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 com.android.camera.BitmapManager;
     20 
     21 import android.content.ContentResolver;
     22 import android.graphics.Bitmap;
     23 import android.media.ThumbnailUtils;
     24 import android.net.Uri;
     25 import android.provider.MediaStore.Images;
     26 import android.provider.MediaStore.Video;
     27 import android.util.Log;
     28 
     29 import java.io.IOException;
     30 import java.io.InputStream;
     31 
     32 /**
     33  * Represents a particular video and provides access to the underlying data and
     34  * two thumbnail bitmaps as well as other information such as the id, and the
     35  * path to the actual video data.
     36  */
     37 public class VideoObject extends BaseImage implements IImage {
     38     private static final String TAG = "VideoObject";
     39     /**
     40      * Constructor.
     41      *
     42      * @param id        the image id of the image
     43      * @param cr        the content resolver
     44      */
     45     protected VideoObject(BaseImageList container, ContentResolver cr,
     46             long id, int index, Uri uri, String dataPath,
     47             String mimeType, long dateTaken, String title) {
     48         super(container, cr, id, index, uri, dataPath,
     49                 mimeType, dateTaken, title);
     50     }
     51 
     52     @Override
     53     public boolean equals(Object other) {
     54         if (other == null || !(other instanceof VideoObject)) return false;
     55         return fullSizeImageUri().equals(
     56                 ((VideoObject) other).fullSizeImageUri());
     57     }
     58 
     59     @Override
     60     public int hashCode() {
     61         return fullSizeImageUri().toString().hashCode();
     62     }
     63 
     64     @Override
     65     public Bitmap fullSizeBitmap(int minSideLength, int maxNumberOfPixels,
     66             boolean rotateAsNeeded, boolean useNative) {
     67         return ThumbnailUtils.createVideoThumbnail(mDataPath,
     68                 Video.Thumbnails.MINI_KIND);
     69     }
     70 
     71     @Override
     72     public InputStream fullSizeImageData() {
     73         try {
     74             InputStream input = mContentResolver.openInputStream(
     75                     fullSizeImageUri());
     76             return input;
     77         } catch (IOException ex) {
     78             return null;
     79         }
     80     }
     81 
     82     @Override
     83     public int getHeight() {
     84          return 0;
     85     }
     86 
     87     @Override
     88     public int getWidth() {
     89         return 0;
     90     }
     91 
     92     public boolean isReadonly() {
     93         return false;
     94     }
     95 
     96     public boolean isDrm() {
     97         return false;
     98     }
     99 
    100     public boolean rotateImageBy(int degrees) {
    101        return false;
    102     }
    103 
    104     public Bitmap thumbBitmap(boolean rotateAsNeeded) {
    105         return fullSizeBitmap(THUMBNAIL_TARGET_SIZE, THUMBNAIL_MAX_NUM_PIXELS);
    106     }
    107 
    108     @Override
    109     public Bitmap miniThumbBitmap() {
    110         try {
    111             long id = mId;
    112             return BitmapManager.instance().getThumbnail(mContentResolver,
    113                     id, Images.Thumbnails.MICRO_KIND, null, true);
    114         } catch (Throwable ex) {
    115             Log.e(TAG, "miniThumbBitmap got exception", ex);
    116             return null;
    117         }
    118     }
    119 
    120     @Override
    121     public String toString() {
    122         return new StringBuilder("VideoObject").append(mId).toString();
    123     }
    124 }
    125