src/client/backlogrequester.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
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  20
  21 #include "backlogrequester.h"
  22
  23 #include <QObject>
  24
  25 #include "backlogsettings.h"
  26 #include "bufferviewoverlay.h"
  27 #include "clientbacklogmanager.h"
  28
  29 BacklogRequester::BacklogRequester(bool buffering, RequesterType requesterType, ClientBacklogManager *backlogManager)
  30   : backlogManager(backlogManager),
  31     _isBuffering(buffering),
  32     _requesterType(requesterType),
  33     _totalBuffers(0)
  34 {
  35   Q_ASSERT(backlogManager);
  36 }
  37
  38 void BacklogRequester::setWaitingBuffers(const QSet<BufferId> &buffers) {
  39   _buffersWaiting = buffers;
  40   _totalBuffers = _buffersWaiting.count();
  41 }
  42
  43 void BacklogRequester::addWaitingBuffer(BufferId buffer) {
  44   _buffersWaiting << buffer;
  45   _totalBuffers++;
  46 }
  47
  48 bool BacklogRequester::buffer(BufferId bufferId, const MessageList &messages) {
  49   _bufferedMessages << messages;
  50   _buffersWaiting.remove(bufferId);
  51   return !_buffersWaiting.isEmpty();
  52 }
  53
  54 QList<BufferId> BacklogRequester::allBufferIds() const {
  55   QSet<BufferId> bufferIds = Client::bufferViewOverlay()->bufferIds();
  56   bufferIds += Client::bufferViewOverlay()->tempRemovedBufferIds();
  57   return bufferIds.toList();
  58 }
  59
  60 // ========================================
  61 //  FIXED BACKLOG REQUESTER
  62 // ========================================
  63 FixedBacklogRequester::FixedBacklogRequester(ClientBacklogManager *backlogManager)
  64   : BacklogRequester(true, BacklogRequester::PerBufferFixed, backlogManager)
  65 {
  66   BacklogSettings backlogSettings;
  67   _backlogCount = backlogSettings.fixedBacklogAmount();
  68 }
  69
  70 void FixedBacklogRequester::requestBacklog(const QList<BufferId> &bufferIds) {
  71   setWaitingBuffers(bufferIds);
  72   backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 backlog messages for %2 buffers").arg(_backlogCount * bufferIds.count()).arg(bufferIds.count()));
  73   foreach(BufferId bufferId, bufferIds) {
  74     backlogManager->requestBacklog(bufferId, -1, -1, _backlogCount);
  75   }
  76 }
  77
  78 // ========================================
  79 //  GLOBAL UNREAD BACKLOG REQUESTER
  80 // ========================================
  81 GlobalUnreadBacklogRequester::GlobalUnreadBacklogRequester(ClientBacklogManager *backlogManager)
  82   : BacklogRequester(false, BacklogRequester::GlobalUnread, backlogManager)
  83 {
  84   BacklogSettings backlogSettings;
  85   _limit = backlogSettings.globalUnreadBacklogLimit();
  86   _additional = backlogSettings.globalUnreadBacklogAdditional();
  87 }
  88
  89 void GlobalUnreadBacklogRequester::requestBacklog() {
  90   MsgId oldestUnreadMessage;
  91   foreach(BufferId bufferId, allBufferIds()) {
  92     MsgId msgId = Client::networkModel()->lastSeenMsgId(bufferId);
  93     if(!oldestUnreadMessage.isValid() || oldestUnreadMessage > msgId)
  94       oldestUnreadMessage = msgId;
  95   }
  96   backlogManager->emitMessagesRequested(QObject::tr("Requesting up to %1 of all unread backlog messages (plus additional %2)").arg(_limit).arg(_additional));
  97   backlogManager->requestBacklogAll(oldestUnreadMessage, -1, _limit, _additional);
  98 }
  99
 100 // ========================================
 101 //  PER BUFFER UNREAD BACKLOG REQUESTER
 102 // ========================================
 103 PerBufferUnreadBacklogRequester::PerBufferUnreadBacklogRequester(ClientBacklogManager *backlogManager)
 104   : BacklogRequester(true, BacklogRequester::PerBufferUnread, backlogManager)
 105 {
 106   BacklogSettings backlogSettings;
 107   _limit = backlogSettings.perBufferUnreadBacklogLimit();
 108   _additional = backlogSettings.perBufferUnreadBacklogAdditional();
 109 }
 110
 111 void PerBufferUnreadBacklogRequester::requestBacklog(const QList<BufferId> &bufferIds) {
 112   setWaitingBuffers(bufferIds);
 113   backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 unread backlog messages for %2 buffers").arg((_limit + _additional) * bufferIds.count()).arg(bufferIds.count()));
 114   foreach(BufferId bufferId, bufferIds) {
 115     backlogManager->requestBacklog(bufferId, Client::networkModel()->lastSeenMsgId(bufferId), -1, _limit, _additional);
 116   }
 117 }