chinwag-android/app/src/main/java/com/keylesspalace/tusky/util/MediaUtils.java

132 lines
4.7 KiB
Java

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Environment;
import android.provider.OpenableColumns;
import android.support.annotation.Nullable;
import android.support.v4.content.FileProvider;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Target;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* Class who will have all the code link with Media
* <p>
* Motivation : try to keep the ComposeActivity "smaller" and make modular method
*/
public class MediaUtils {
public static final int MEDIA_SIZE_UNKNOWN = -1;
@Nullable
public static byte[] inputStreamGetBytes(InputStream stream) {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
int read;
byte[] data = new byte[16384];
try {
while ((read = stream.read(data, 0, data.length)) != -1) {
buffer.write(data, 0, read);
}
buffer.flush();
} catch (IOException e) {
return null;
}
return buffer.toByteArray();
}
public static long getMediaSize(ContentResolver contentResolver, Uri uri) {
long mediaSize;
Cursor cursor = contentResolver.query(uri, null, null, null, null);
if (cursor != null) {
int sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE);
cursor.moveToFirst();
mediaSize = cursor.getLong(sizeIndex);
cursor.close();
} else {
mediaSize = MEDIA_SIZE_UNKNOWN;
}
return mediaSize;
}
// Download an image with picasso
public static Target picassoImageTarget(final Context context, final MediaListener mediaListener) {
final String imageName = "temp";
return new Target() {
@Override
public void onBitmapLoaded(final Bitmap bitmap, Picasso.LoadedFrom from) {
new Thread(new Runnable() {
@Override
public void run() {
FileOutputStream fos = null;
Uri uriForFile;
try {
// we download only a "temp" file
File storageDir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
File tempFile = File.createTempFile(
imageName,
".jpg",
storageDir
);
fos = new FileOutputStream(tempFile);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
uriForFile = FileProvider.getUriForFile(context,
"com.keylesspalace.tusky.fileprovider",
tempFile);
// giving to the activity the URI callback
mediaListener.onCallback(uriForFile);
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}).start();
}
@Override
public void onBitmapFailed(Drawable errorDrawable) {
}
@Override
public void onPrepareLoad(Drawable placeHolderDrawable) {
}
};
}
public interface MediaListener {
void onCallback(Uri headerInfo);
}
}