Room details: add dialog to member list

src/components/roomInfoMixin.js

@@ -159,6 +159,25 @@ export default {
     },
   },
   methods: {
+    memberAvatar(member) {
+      if (member) {
+        return member.getAvatarUrl(
+          this.$matrix.matrixClient.getHomeserverUrl(),
+          40,
+          40,
+          "scale",
+          true
+        );
+      }
+      return null;
+    },
+    // TODO - following power level comparisons assume that default power levels are used in the room!
+    isAdmin(member) {
+      return member.powerLevelNorm > 50;
+    },
+    isModerator(member) {
+      return member.powerLevelNorm > 0 && member.powerLevelNorm <= 50;
+    },
     /**
      * Get a string describing current room retention setting.
      * Can be "None", "1 week", "1 hour" etc...