ViewUtil.java

 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        // TODO: accept displayName
24        File file = new File(attachment.getUri().getPath());
25        final String mime = attachment.getMime() == null ? "*/*" : attachment.getMime();
26        view(context, file, mime, file.getName());
27    }
28
29    public static void view (Context context, DownloadableFile file, final String displayName) {
30        if (!file.exists()) {
31            Toast.makeText(context, R.string.file_deleted, Toast.LENGTH_SHORT).show();
32            return;
33        }
34        String mime = file.getMimeType();
35        if (mime == null) {
36            mime = "*/*";
37        }
38        view(context, file, mime, displayName);
39    }
40
41    private static void view(Context context, File file, String mime, final String displayName) {
42        Log.d(Config.LOGTAG,"viewing "+file.getAbsolutePath()+" "+mime);
43        final Intent openIntent = new Intent(Intent.ACTION_VIEW);
44        final Uri uri;
45        try {
46            uri = FileBackend.getUriForFile(context, file, displayName);
47        } catch (SecurityException e) {
48            Log.d(Config.LOGTAG, "No permission to access " + file.getAbsolutePath(), e);
49            Toast.makeText(context, context.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
50            return;
51        }
52        openIntent.setDataAndType(uri, mime);
53        openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
54
55        try {
56            context.startActivity(openIntent);
57        } catch (final ActivityNotFoundException e) {
58            Toast.makeText(context, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
59        }
60    }
61
62}