1 /* 2 * Copyright (C) 2015 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.messaging.datamodel.media; 18 19 import android.content.ContentResolver; 20 import android.content.Context; 21 import android.graphics.Bitmap; 22 import android.provider.MediaStore.Video.Thumbnails; 23 24 import com.android.messaging.Factory; 25 import com.android.messaging.util.MediaMetadataRetrieverWrapper; 26 import com.android.messaging.util.MediaUtil; 27 import com.android.messaging.util.OsUtil; 28 29 import java.io.FileNotFoundException; 30 import java.io.IOException; 31 import java.io.InputStream; 32 33 /** 34 * Class to request a video thumbnail. 35 * Users of this class as responsible for checking {@link #shouldShowIncomingVideoThumbnails} 36 */ 37 public class VideoThumbnailRequest extends ImageRequest<UriImageRequestDescriptor> { 38 39 public VideoThumbnailRequest(final Context context, 40 final UriImageRequestDescriptor descriptor) { 41 super(context, descriptor); 42 } 43 44 public static boolean shouldShowIncomingVideoThumbnails() { 45 return MediaUtil.canAutoAccessIncomingMedia(); 46 } 47 48 @Override 49 protected InputStream getInputStreamForResource() throws FileNotFoundException { 50 return null; 51 } 52 53 @Override 54 protected boolean hasBitmapObject() { 55 return true; 56 } 57 58 @Override 59 protected Bitmap getBitmapForResource() throws IOException { 60 final Long mediaId = mDescriptor.getMediaStoreId(); 61 Bitmap bitmap = null; 62 if (mediaId != null) { 63 final ContentResolver cr = Factory.get().getApplicationContext().getContentResolver(); 64 bitmap = Thumbnails.getThumbnail(cr, mediaId, Thumbnails.MICRO_KIND, null); 65 } else { 66 final MediaMetadataRetrieverWrapper retriever = new MediaMetadataRetrieverWrapper(); 67 try { 68 retriever.setDataSource(mDescriptor.uri); 69 bitmap = retriever.getFrameAtTime(); 70 } finally { 71 retriever.release(); 72 } 73 } 74 if (bitmap != null) { 75 mDescriptor.updateSourceDimensions(bitmap.getWidth(), bitmap.getHeight()); 76 } 77 return bitmap; 78 } 79 } 80
