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.entities.DownloadableFile;
18import eu.siacs.conversations.persistance.FileBackend;
19
20public class ViewUtil {
21
22    public static void view(Context context, Attachment attachment) {
23        File file = new File(attachment.getUri().getPath());
24        final String mime = attachment.getMime() == null ? "*/*" : attachment.getMime();
25        view(context, file, mime);
26    }
27
28    public static void view (Context context, DownloadableFile file) {
29        if (!file.exists()) {
30            Toast.makeText(context, R.string.file_deleted, Toast.LENGTH_SHORT).show();
31            return;
32        }
33        String mime = file.getMimeType();
34        if (mime == null) {
35            mime = "*/*";
36        }
37        view(context, file, mime);
38    }
39
40    public static void view(Context context, File file, String mime) {
41        Intent openIntent = new Intent(Intent.ACTION_VIEW);
42        Uri uri;
43        try {
44            uri = FileBackend.getUriForFile(context, file);
45        } catch (SecurityException e) {
46            Log.d(Config.LOGTAG, "No permission to access " + file.getAbsolutePath(), e);
47            Toast.makeText(context, context.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
48            return;
49        }
50        openIntent.setDataAndType(uri, mime);
51        openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
52        PackageManager manager = context.getPackageManager();
53        List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
54        if (info.size() == 0) {
55            openIntent.setDataAndType(uri, "*/*");
56        }
57        try {
58            context.startActivity(openIntent);
59        } catch (ActivityNotFoundException e) {
60            Toast.makeText(context, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
61        }
62    }
63
64}