Shri Borde
eba0949bc6
For platforms with insecure handling of media files, media files should be opened only after the user chooses to play the media. Change-Id: I5f9bbd1f8468a704a5962f0dddd3c8b11bba8bea
80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.datamodel.media;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.provider.MediaStore.Video.Thumbnails;
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import com.android.messaging.Factory;
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import com.android.messaging.util.MediaMetadataRetrieverWrapper;
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import com.android.messaging.util.MediaUtil;
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import com.android.messaging.util.OsUtil;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Class to request a video thumbnail.
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* Users of this class as responsible for checking {@link #shouldShowIncomingVideoThumbnails}
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*/
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public class VideoThumbnailRequest extends ImageRequest<UriImageRequestDescriptor> {
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public VideoThumbnailRequest(final Context context,
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final UriImageRequestDescriptor descriptor) {
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super(context, descriptor);
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}
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public static boolean shouldShowIncomingVideoThumbnails() {
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return MediaUtil.canAutoAccessIncomingMedia();
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}
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@Override
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protected InputStream getInputStreamForResource() throws FileNotFoundException {
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return null;
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}
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@Override
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protected boolean hasBitmapObject() {
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return true;
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}
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@Override
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protected Bitmap getBitmapForResource() throws IOException {
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final Long mediaId = mDescriptor.getMediaStoreId();
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Bitmap bitmap = null;
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if (mediaId != null) {
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final ContentResolver cr = Factory.get().getApplicationContext().getContentResolver();
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bitmap = Thumbnails.getThumbnail(cr, mediaId, Thumbnails.MICRO_KIND, null);
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} else {
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final MediaMetadataRetrieverWrapper retriever = new MediaMetadataRetrieverWrapper();
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try {
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retriever.setDataSource(mDescriptor.uri);
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bitmap = retriever.getFrameAtTime();
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} finally {
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retriever.release();
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}
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}
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if (bitmap != null) {
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mDescriptor.updateSourceDimensions(bitmap.getWidth(), bitmap.getHeight());
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}
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return bitmap;
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}
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}
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