src/client/backlogrequester.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  20
  21 #include "backlogrequester.h"
  22
  23 #include <QObject>
  24
  25 #include "backlogsettings.h"
  26 #include "clientbacklogmanager.h"
  27
  28 BacklogRequester::BacklogRequester(bool buffering, ClientBacklogManager *backlogManager)
  29   : backlogManager(backlogManager),
  30     _isBuffering(buffering)
  31 {
  32   Q_ASSERT(backlogManager);
  33 }
  34
  35 bool BacklogRequester::buffer(BufferId bufferId, const MessageList &messages) {
  36   _bufferedMessages << messages;
  37   _buffersWaiting.remove(bufferId);
  38   return !_buffersWaiting.isEmpty();
  39 }
  40
  41 // ========================================
  42 //  FIXED BACKLOG REQUESTER
  43 // ========================================
  44 FixedBacklogRequester::FixedBacklogRequester(ClientBacklogManager *backlogManager)
  45   : BacklogRequester(true, backlogManager)
  46 {
  47   BacklogSettings backlogSettings;
  48   _backlogCount = backlogSettings.fixedBacklogAmount();
  49 }
  50
  51 void FixedBacklogRequester::requestBacklog() {
  52   QList<BufferId> allBuffers = allBufferIds();
  53   setWaitingBuffers(allBuffers);
  54   backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 backlog messages for %2 buffers").arg(_backlogCount * allBuffers.count()).arg(allBuffers.count()));
  55   foreach(BufferId bufferId, allBuffers) {
  56     backlogManager->requestBacklog(bufferId, -1, -1, _backlogCount);
  57   }
  58 }
  59
  60 // ========================================
  61 //  GLOBAL UNREAD BACKLOG REQUESTER
  62 // ========================================
  63 GlobalUnreadBacklogRequester::GlobalUnreadBacklogRequester(ClientBacklogManager *backlogManager)
  64   : BacklogRequester(false, backlogManager)
  65 {
  66   BacklogSettings backlogSettings;
  67   _limit = backlogSettings.globalUnreadBacklogLimit();
  68   _additional = backlogSettings.globalUnreadBacklogAdditional();
  69 }
  70
  71 void GlobalUnreadBacklogRequester::requestBacklog() {
  72   MsgId oldestUnreadMessage;
  73   foreach(BufferId bufferId, allBufferIds()) {
  74     MsgId msgId = Client::networkModel()->lastSeenMsgId(bufferId);
  75     if(!oldestUnreadMessage.isValid() || oldestUnreadMessage > msgId)
  76       oldestUnreadMessage = msgId;
  77   }
  78   backlogManager->emitMessagesRequested(QObject::tr("Requesting up to %1 of all unread backlog messages (plus additional %2)").arg(_limit).arg(_additional));
  79   backlogManager->requestBacklogAll(oldestUnreadMessage, -1, _limit, _additional);
  80 }
  81
  82 // ========================================
  83 //  PER BUFFER UNREAD BACKLOG REQUESTER
  84 // ========================================
  85 PerBufferUnreadBacklogRequester::PerBufferUnreadBacklogRequester(ClientBacklogManager *backlogManager)
  86   : BacklogRequester(true, backlogManager)
  87 {
  88   BacklogSettings backlogSettings;
  89   _limit = backlogSettings.perBufferUnreadBacklogLimit();
  90   _additional = backlogSettings.perBufferUnreadBacklogAdditional();
  91 }
  92
  93 void PerBufferUnreadBacklogRequester::requestBacklog() {
  94   QList<BufferId> allBuffers = allBufferIds();
  95   setWaitingBuffers(allBuffers);
  96   backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 unread backlog messages for %2 buffers").arg((_limit + _additional) * allBuffers.count()).arg(allBuffers.count()));
  97   foreach(BufferId bufferId, allBuffers) {
  98     backlogManager->requestBacklog(bufferId, Client::networkModel()->lastSeenMsgId(bufferId), -1, _limit, _additional);
  99   }
 100 }