session-android/src/org/thoughtcrime/securesms/util/MediaUtil.java
Greyson Parrelli 2a644437fb Add sticker support.
No sticker packs are available for use yet, but we now have the
latent ability to send and receive.
2019-05-30 01:08:01 -04:00

307 lines
11 KiB
Java

package org.thoughtcrime.securesms.util;
import android.content.ContentResolver;
import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.WorkerThread;
import android.text.TextUtils;
import android.util.Pair;
import android.webkit.MimeTypeMap;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.bumptech.glide.load.resource.gif.GifDrawable;
import org.thoughtcrime.securesms.attachments.Attachment;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.mms.AudioSlide;
import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
import org.thoughtcrime.securesms.mms.DocumentSlide;
import org.thoughtcrime.securesms.mms.GifSlide;
import org.thoughtcrime.securesms.mms.GlideApp;
import org.thoughtcrime.securesms.mms.ImageSlide;
import org.thoughtcrime.securesms.mms.MmsSlide;
import org.thoughtcrime.securesms.mms.PartAuthority;
import org.thoughtcrime.securesms.mms.Slide;
import org.thoughtcrime.securesms.mms.StickerSlide;
import org.thoughtcrime.securesms.mms.TextSlide;
import org.thoughtcrime.securesms.mms.VideoSlide;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.ExecutionException;
public class MediaUtil {
private static final String TAG = MediaUtil.class.getSimpleName();
public static final String IMAGE_PNG = "image/png";
public static final String IMAGE_JPEG = "image/jpeg";
public static final String IMAGE_WEBP = "image/webp";
public static final String IMAGE_GIF = "image/gif";
public static final String AUDIO_AAC = "audio/aac";
public static final String AUDIO_UNSPECIFIED = "audio/*";
public static final String VIDEO_UNSPECIFIED = "video/*";
public static final String VCARD = "text/x-vcard";
public static final String LONG_TEXT = "text/x-signal-plain";
public static Slide getSlideForAttachment(Context context, Attachment attachment) {
Slide slide = null;
if (attachment.isSticker()) {
slide = new StickerSlide(context, attachment);
} else if (isGif(attachment.getContentType())) {
slide = new GifSlide(context, attachment);
} else if (isImageType(attachment.getContentType())) {
slide = new ImageSlide(context, attachment);
} else if (isVideoType(attachment.getContentType())) {
slide = new VideoSlide(context, attachment);
} else if (isAudioType(attachment.getContentType())) {
slide = new AudioSlide(context, attachment);
} else if (isMms(attachment.getContentType())) {
slide = new MmsSlide(context, attachment);
} else if (isLongTextType(attachment.getContentType())) {
slide = new TextSlide(context, attachment);
} else if (attachment.getContentType() != null) {
slide = new DocumentSlide(context, attachment);
}
return slide;
}
public static @Nullable String getMimeType(Context context, Uri uri) {
if (uri == null) return null;
if (PartAuthority.isLocalUri(uri)) {
return PartAuthority.getAttachmentContentType(context, uri);
}
String type = context.getContentResolver().getType(uri);
if (type == null) {
final String extension = MimeTypeMap.getFileExtensionFromUrl(uri.toString());
type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase());
}
return getCorrectedMimeType(type);
}
public static @Nullable String getCorrectedMimeType(@Nullable String mimeType) {
if (mimeType == null) return null;
switch(mimeType) {
case "image/jpg":
return MimeTypeMap.getSingleton().hasMimeType(IMAGE_JPEG)
? IMAGE_JPEG
: mimeType;
default:
return mimeType;
}
}
public static long getMediaSize(Context context, Uri uri) throws IOException {
InputStream in = PartAuthority.getAttachmentStream(context, uri);
if (in == null) throw new IOException("Couldn't obtain input stream.");
long size = 0;
byte[] buffer = new byte[4096];
int read;
while ((read = in.read(buffer)) != -1) {
size += read;
}
in.close();
return size;
}
@WorkerThread
public static Pair<Integer, Integer> getDimensions(@NonNull Context context, @Nullable String contentType, @Nullable Uri uri) {
if (uri == null || !MediaUtil.isImageType(contentType)) {
return new Pair<>(0, 0);
}
Pair<Integer, Integer> dimens = null;
if (MediaUtil.isGif(contentType)) {
try {
GifDrawable drawable = GlideApp.with(context)
.asGif()
.skipMemoryCache(true)
.diskCacheStrategy(DiskCacheStrategy.NONE)
.load(new DecryptableUri(uri))
.submit()
.get();
dimens = new Pair<>(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
} catch (InterruptedException e) {
Log.w(TAG, "Was unable to complete work for GIF dimensions.", e);
} catch (ExecutionException e) {
Log.w(TAG, "Glide experienced an exception while trying to get GIF dimensions.", e);
}
} else {
InputStream attachmentStream = null;
try {
if (MediaUtil.isJpegType(contentType)) {
attachmentStream = PartAuthority.getAttachmentStream(context, uri);
dimens = BitmapUtil.getExifDimensions(attachmentStream);
attachmentStream.close();
attachmentStream = null;
}
if (dimens == null) {
attachmentStream = PartAuthority.getAttachmentStream(context, uri);
dimens = BitmapUtil.getDimensions(attachmentStream);
}
} catch (FileNotFoundException e) {
Log.w(TAG, "Failed to find file when retrieving media dimensions.", e);
} catch (IOException e) {
Log.w(TAG, "Experienced a read error when retrieving media dimensions.", e);
} catch (BitmapDecodingException e) {
Log.w(TAG, "Bitmap decoding error when retrieving dimensions.", e);
} finally {
if (attachmentStream != null) {
try {
attachmentStream.close();
} catch (IOException e) {
Log.w(TAG, "Failed to close stream after retrieving dimensions.", e);
}
}
}
}
if (dimens == null) {
dimens = new Pair<>(0, 0);
}
Log.d(TAG, "Dimensions for [" + uri + "] are " + dimens.first + " x " + dimens.second);
return dimens;
}
public static boolean isMms(String contentType) {
return !TextUtils.isEmpty(contentType) && contentType.trim().equals("application/mms");
}
public static boolean isGif(Attachment attachment) {
return isGif(attachment.getContentType());
}
public static boolean isJpeg(Attachment attachment) {
return isJpegType(attachment.getContentType());
}
public static boolean isImage(Attachment attachment) {
return isImageType(attachment.getContentType());
}
public static boolean isAudio(Attachment attachment) {
return isAudioType(attachment.getContentType());
}
public static boolean isVideo(Attachment attachment) {
return isVideoType(attachment.getContentType());
}
public static boolean isVideo(String contentType) {
return !TextUtils.isEmpty(contentType) && contentType.trim().startsWith("video/");
}
public static boolean isVcard(String contentType) {
return !TextUtils.isEmpty(contentType) && contentType.trim().equals(VCARD);
}
public static boolean isGif(String contentType) {
return !TextUtils.isEmpty(contentType) && contentType.trim().equals("image/gif");
}
public static boolean isJpegType(String contentType) {
return !TextUtils.isEmpty(contentType) && contentType.trim().equals(IMAGE_JPEG);
}
public static boolean isFile(Attachment attachment) {
return !isGif(attachment) && !isImage(attachment) && !isAudio(attachment) && !isVideo(attachment);
}
public static boolean isTextType(String contentType) {
return (null != contentType) && contentType.startsWith("text/");
}
public static boolean isImageType(String contentType) {
return (null != contentType) && contentType.startsWith("image/");
}
public static boolean isAudioType(String contentType) {
return (null != contentType) && contentType.startsWith("audio/");
}
public static boolean isVideoType(String contentType) {
return (null != contentType) && contentType.startsWith("video/");
}
public static boolean isLongTextType(String contentType) {
return (null != contentType) && contentType.equals(LONG_TEXT);
}
public static boolean hasVideoThumbnail(Uri uri) {
Log.i(TAG, "Checking: " + uri);
if (uri == null || !ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
return false;
}
if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
return uri.getLastPathSegment().contains("video");
} else if (uri.toString().startsWith(MediaStore.Video.Media.EXTERNAL_CONTENT_URI.toString())) {
return true;
}
return false;
}
public static @Nullable Bitmap getVideoThumbnail(Context context, Uri uri) {
if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
long videoId = Long.parseLong(uri.getLastPathSegment().split(":")[1]);
return MediaStore.Video.Thumbnails.getThumbnail(context.getContentResolver(),
videoId,
MediaStore.Images.Thumbnails.MINI_KIND,
null);
} else if (uri.toString().startsWith(MediaStore.Video.Media.EXTERNAL_CONTENT_URI.toString())) {
long videoId = Long.parseLong(uri.getLastPathSegment());
return MediaStore.Video.Thumbnails.getThumbnail(context.getContentResolver(),
videoId,
MediaStore.Images.Thumbnails.MINI_KIND,
null);
}
return null;
}
public static @Nullable String getDiscreteMimeType(@NonNull String mimeType) {
final String[] sections = mimeType.split("/", 2);
return sections.length > 1 ? sections[0] : null;
}
public static class ThumbnailData {
Bitmap bitmap;
float aspectRatio;
public ThumbnailData(Bitmap bitmap) {
this.bitmap = bitmap;
this.aspectRatio = (float) bitmap.getWidth() / (float) bitmap.getHeight();
}
public Bitmap getBitmap() {
return bitmap;
}
public float getAspectRatio() {
return aspectRatio;
}
public InputStream toDataStream() {
return BitmapUtil.toCompressedJpeg(bitmap);
}
}
}