1package eu.siacs.conversations.ui.util;
 2
 3import android.content.ActivityNotFoundException;
 4import android.content.Context;
 5import android.content.Intent;
 6import android.content.pm.PackageManager;
 7import android.content.pm.ResolveInfo;
 8import android.net.Uri;
 9import android.util.Log;
10import android.widget.Toast;
11
12import java.io.File;
13import java.util.List;
14
15import eu.siacs.conversations.Config;
16import eu.siacs.conversations.R;
17import eu.siacs.conversations.persistance.FileBackend;
18
19public class ViewUtil {
20
21    public static void view(Context context, Attachment attachment) {
22        File file = new File(attachment.getUri().getPath());
23        final String mime = attachment.getMime() == null ? "*/*" : attachment.getMime();
24        view(context, file, mime);
25    }
26
27    public static void view(Context context, File file, String mime) {
28        Intent openIntent = new Intent(Intent.ACTION_VIEW);
29        Uri uri;
30        try {
31            uri = FileBackend.getUriForFile(context, file);
32        } catch (SecurityException e) {
33            Log.d(Config.LOGTAG, "No permission to access " + file.getAbsolutePath(), e);
34            Toast.makeText(context, context.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
35            return;
36        }
37        openIntent.setDataAndType(uri, mime);
38        openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
39        PackageManager manager = context.getPackageManager();
40        List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
41        if (info.size() == 0) {
42            openIntent.setDataAndType(uri, "*/*");
43        }
44        try {
45            context.startActivity(openIntent);
46        } catch (ActivityNotFoundException e) {
47            Toast.makeText(context, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
48        }
49    }
50
51}