src/client/backlogrequester.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  20
  21 #ifndef BACKLOGREQUESTER_H
  22 #define BACKLOGREQUESTER_H
  23
  24 #include <QList>
  25
  26 #include "client.h"
  27 #include "message.h"
  28 #include "networkmodel.h"
  29 #include "types.h"
  30
  31 class BacklogManager;
  32
  33 class BacklogRequester {
  34 public:
  35   enum RequesterTypes {
  36     InvalidRequester = 0,
  37     GlobalUnread,
  38     PerBufferUnread,
  39     PerBufferFixed
  40   };
  41
  42   BacklogRequester(bool buffering, BacklogManager *backlogManger);
  43   virtual inline ~BacklogRequester() {}
  44
  45   inline bool isBuffering() { return _isBuffering; }
  46   inline const QList<Message> &bufferedMessages() { return _bufferedMessages; }
  47
  48   //! returns false if it was the last missing backlogpart
  49   bool buffer(BufferId bufferId, const MessageList &messages);
  50
  51   virtual void requestBacklog() = 0;
  52
  53 protected:
  54   inline QList<BufferId> allBufferIds() const { return Client::networkModel()->allBufferIds(); }
  55   inline void setWaitingBuffers(const QList<BufferId> &buffers) { _buffersWaiting = buffers.toSet(); }
  56   inline void setWaitingBuffers(const QSet<BufferId> &buffers) { _buffersWaiting = buffers; }
  57   inline void addWaitingBuffer(BufferId buffer) { _buffersWaiting << buffer; }
  58   BacklogManager *backlogManager;
  59
  60 private:
  61   bool _isBuffering;
  62   MessageList _bufferedMessages;
  63   QSet<BufferId> _buffersWaiting;
  64 };
  65
  66 // ========================================
  67 //  FIXED BACKLOG REQUESTER
  68 // ========================================
  69 class FixedBacklogRequester : public BacklogRequester {
  70 public:
  71   FixedBacklogRequester(BacklogManager *backlogManager);
  72   virtual void requestBacklog();
  73
  74 private:
  75   int _backlogCount;
  76 };
  77
  78
  79 #endif //BACKLOGREQUESTER_H