Show edited annotation in timeline + simple edit history

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/EventRelationExtractor.kt

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package im.vector.matrix.android.internal.session.room
 
 import im.vector.matrix.android.api.session.room.model.EventAnnotationsSummary
@@ -7,7 +22,9 @@ import im.vector.matrix.android.internal.database.model.EventEntity
 import im.vector.matrix.android.internal.database.query.where
 import io.realm.Realm
 
-
+/**
+ * Fetches annotations (reactions, edits...) associated to a given eventEntity from the data layer.
+ */
 internal class EventRelationExtractor {
 
     fun extractFrom(event: EventEntity, realm: Realm = event.realm): EventAnnotationsSummary? {