+// ========================================
+// GLOBAL UNREAD BACKLOG REQUESTER
+// ========================================
+class GlobalUnreadBacklogRequester : public BacklogRequester
+{
+public:
+ GlobalUnreadBacklogRequester(ClientBacklogManager* backlogManager);
+ void requestInitialBacklog() override;
+ void requestBacklog(const BufferIdList&) override {}
+
+private:
+ int _limit;
+ int _additional;
+};
+
+// ========================================
+// PER BUFFER UNREAD BACKLOG REQUESTER
+// ========================================
+class PerBufferUnreadBacklogRequester : public BacklogRequester
+{
+public:
+ PerBufferUnreadBacklogRequester(ClientBacklogManager* backlogManager);
+ void requestBacklog(const BufferIdList& bufferIds) override;
+
+private:
+ int _limit;
+ int _additional;
+};