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package eu.siacs.conversations.persistance;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.util.Log;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
public class FileBackend {
private static int IMAGE_SIZE = 1920;
private Context context;
public FileBackend(Context context) {
this.context = context;
}
private File getImageFile(Message message) {
Conversation conversation = message.getConversation();
String prefix = context.getFilesDir().getAbsolutePath();
String path = prefix+"/"+conversation.getAccount().getJid()+"/"+conversation.getContactJid();
String filename = message.getUuid() + ".webp";
return new File(path+"/"+filename);
}
public File copyImageToPrivateStorage(Message message, Uri image) {
try {
InputStream is = context.getContentResolver().openInputStream(image);
File file = getImageFile(message);
file.getParentFile().mkdirs();
file.createNewFile();
OutputStream os = new FileOutputStream(file);
Bitmap originalBitmap = BitmapFactory.decodeStream(is);
is.close();
int w = originalBitmap.getWidth();
int h = originalBitmap.getHeight();
boolean success;
if (Math.max(w, h) > IMAGE_SIZE) {
int scalledW;
int scalledH;
if (w<=h) {
scalledW = (int) (w / ((double) h/IMAGE_SIZE));
scalledH = IMAGE_SIZE;
} else {
scalledW = IMAGE_SIZE;
scalledH = (int) (h / ((double) w/IMAGE_SIZE));
}
Bitmap scalledBitmap = Bitmap.createScaledBitmap(originalBitmap, scalledW,scalledH, true);
success = scalledBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os);
} else {
success = originalBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os);
}
if (!success) {
Log.d("xmppService","couldnt compress");
}
os.close();
return file;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public Bitmap getImageFromMessage(Message message) {
return BitmapFactory.decodeFile(getImageFile(message).getAbsolutePath());
}
}
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