src/client/backlogrequester.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
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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     _totalBuffers(0)
  32 {
  33   Q_ASSERT(backlogManager);
  34 }
  35
  36 void BacklogRequester::setWaitingBuffers(const QSet<BufferId> &buffers) {
  37   _buffersWaiting = buffers;
  38   _totalBuffers = _buffersWaiting.count();
  39 }
  40
  41 void BacklogRequester::addWaitingBuffer(BufferId buffer) {
  42   _buffersWaiting << buffer;
  43   _totalBuffers++;
  44 }
  45
  46 bool BacklogRequester::buffer(BufferId bufferId, const MessageList &messages) {
  47   _bufferedMessages << messages;
  48   _buffersWaiting.remove(bufferId);
  49   return !_buffersWaiting.isEmpty();
  50 }
  51
  52 // ========================================
  53 //  FIXED BACKLOG REQUESTER
  54 // ========================================
  55 FixedBacklogRequester::FixedBacklogRequester(ClientBacklogManager *backlogManager)
  56   : BacklogRequester(true, backlogManager)
  57 {
  58   BacklogSettings backlogSettings;
  59   _backlogCount = backlogSettings.fixedBacklogAmount();
  60 }
  61
  62 void FixedBacklogRequester::requestBacklog() {
  63   QList<BufferId> allBuffers = allBufferIds();
  64   setWaitingBuffers(allBuffers);
  65   backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 backlog messages for %2 buffers").arg(_backlogCount * allBuffers.count()).arg(allBuffers.count()));
  66   foreach(BufferId bufferId, allBuffers) {
  67     backlogManager->requestBacklog(bufferId, -1, -1, _backlogCount);
  68   }
  69 }
  70
  71 // ========================================
  72 //  GLOBAL UNREAD BACKLOG REQUESTER
  73 // ========================================
  74 GlobalUnreadBacklogRequester::GlobalUnreadBacklogRequester(ClientBacklogManager *backlogManager)
  75   : BacklogRequester(false, backlogManager)
  76 {
  77   BacklogSettings backlogSettings;
  78   _limit = backlogSettings.globalUnreadBacklogLimit();
  79   _additional = backlogSettings.globalUnreadBacklogAdditional();
  80 }
  81
  82 void GlobalUnreadBacklogRequester::requestBacklog() {
  83   MsgId oldestUnreadMessage;
  84   foreach(BufferId bufferId, allBufferIds()) {
  85     MsgId msgId = Client::networkModel()->lastSeenMsgId(bufferId);
  86     if(!oldestUnreadMessage.isValid() || oldestUnreadMessage > msgId)
  87       oldestUnreadMessage = msgId;
  88   }
  89   backlogManager->emitMessagesRequested(QObject::tr("Requesting up to %1 of all unread backlog messages (plus additional %2)").arg(_limit).arg(_additional));
  90   backlogManager->requestBacklogAll(oldestUnreadMessage, -1, _limit, _additional);
  91 }
  92
  93 // ========================================
  94 //  PER BUFFER UNREAD BACKLOG REQUESTER
  95 // ========================================
  96 PerBufferUnreadBacklogRequester::PerBufferUnreadBacklogRequester(ClientBacklogManager *backlogManager)
  97   : BacklogRequester(true, backlogManager)
  98 {
  99   BacklogSettings backlogSettings;
 100   _limit = backlogSettings.perBufferUnreadBacklogLimit();
 101   _additional = backlogSettings.perBufferUnreadBacklogAdditional();
 102 }
 103
 104 void PerBufferUnreadBacklogRequester::requestBacklog() {
 105   QList<BufferId> allBuffers = allBufferIds();
 106   setWaitingBuffers(allBuffers);
 107   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()));
 108   foreach(BufferId bufferId, allBuffers) {
 109     backlogManager->requestBacklog(bufferId, Client::networkModel()->lastSeenMsgId(bufferId), -1, _limit, _additional);
 110   }
 111 }