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19 ***************************************************************************/
29 #include "networkmodel.h"
32 class ClientBacklogManager;
34 class BacklogRequester
42 AsNeeded, ///< Only request backlog on cores without Feature::BufferActivitySync
46 BacklogRequester(bool buffering, RequesterType requesterType, ClientBacklogManager* backlogManger);
47 virtual ~BacklogRequester() = default;
49 inline bool isBuffering() { return _isBuffering; }
50 inline RequesterType type() { return _requesterType; }
51 inline const QList<Message>& bufferedMessages() { return _bufferedMessages; }
53 inline int buffersWaiting() const { return int(_buffersWaiting.size()); }
54 inline int totalBuffers() const { return _totalBuffers; }
56 bool buffer(BufferId bufferId, const MessageList& messages); //! returns false if it was the last missing backlogpart
58 virtual void requestBacklog(const BufferIdList& bufferIds) = 0;
59 virtual inline void requestInitialBacklog() { requestBacklog(allBufferIds()); }
61 virtual void flushBuffer();
64 BufferIdList allBufferIds() const;
65 void setWaitingBuffers(const BufferIdList& buffers);
67 ClientBacklogManager* backlogManager;
71 RequesterType _requesterType;
72 MessageList _bufferedMessages;
74 std::set<BufferId> _buffersWaiting;
77 // ========================================
78 // FIXED BACKLOG REQUESTER
79 // ========================================
80 class FixedBacklogRequester : public BacklogRequester
83 FixedBacklogRequester(ClientBacklogManager* backlogManager);
84 void requestBacklog(const BufferIdList& bufferIds) override;
90 // ========================================
91 // GLOBAL UNREAD BACKLOG REQUESTER
92 // ========================================
93 class GlobalUnreadBacklogRequester : public BacklogRequester
96 GlobalUnreadBacklogRequester(ClientBacklogManager* backlogManager);
97 void requestInitialBacklog() override;
98 void requestBacklog(const BufferIdList&) override {}
105 // ========================================
106 // PER BUFFER UNREAD BACKLOG REQUESTER
107 // ========================================
108 class PerBufferUnreadBacklogRequester : public BacklogRequester
111 PerBufferUnreadBacklogRequester(ClientBacklogManager* backlogManager);
112 void requestBacklog(const BufferIdList& bufferIds) override;
119 // ========================================
120 // AS NEEDED BACKLOG REQUESTER
121 // ========================================
123 * Backlog requester that only fetches initial backlog when the core doesn't support buffer activity
126 class AsNeededBacklogRequester : public BacklogRequester
129 AsNeededBacklogRequester(ClientBacklogManager* backlogManager);
130 void requestBacklog(const BufferIdList& bufferIds) override;
133 int _legacyBacklogCount;