Support BoB thumbnails

Stephen Paul Weber created 3 years ago

Change summary

src/main/java/eu/siacs/conversations/persistance/FileBackend.java   |  9 
src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java | 12 
2 files changed, 21 insertions(+)

Detailed changes

src/main/java/eu/siacs/conversations/persistance/FileBackend.java

@@ -37,6 +37,8 @@ import androidx.annotation.StringRes;
 import androidx.core.content.FileProvider;
 import androidx.exifinterface.media.ExifInterface;
 
+import com.cheogram.android.BobTransfer;
+
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.io.ByteStreams;
@@ -1074,6 +1076,13 @@ public class FileBackend {
                                 cache.put(file.getAbsolutePath(), thumbnail);
                                 return thumbnail;
                             }
+                        } else if (uri.getScheme().equals("cid")) {
+                            Cid cid = BobTransfer.cid(uri);
+                            if (cid == null) continue;
+                            DownloadableFile f = mXmppConnectionService.getFileForCid(cid);
+                            if (f != null && f.canRead()) {
+                                return getThumbnail(f, res, size, cacheOnly);
+                            }
                         }
                     }
                 }

src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java

@@ -601,6 +601,18 @@ public class MessageAdapter extends ArrayAdapter<Message> {
                     String[] parts = uri.getSchemeSpecificPart().split(",", 2);
                     parts = parts[0].split(";");
                     if (!parts[0].equals("image/blurhash") && !parts[0].equals("image/jpeg") && !parts[0].equals("image/png") && !parts[0].equals("image/webp") && !parts[0].equals("image/gif")) continue;
+                } else if (uri.getScheme().equals("cid")) {
+                    Cid cid = BobTransfer.cid(uri);
+                    if (cid == null) continue;
+                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
+                    if (f == null || !f.canRead()) {
+                        if (!message.trusted() && !message.getConversation().canInferPresence()) continue;
+
+                        try {
+                            new BobTransfer(BobTransfer.uri(cid), message.getConversation().getAccount(), message.getCounterpart(), activity.xmppConnectionService).start();
+                        } catch (final NoSuchAlgorithmException | URISyntaxException e) { }
+                        continue;
+                    }
                 } else {
                     continue;
                 }