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backlogrequester.cpp
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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 
39 void BacklogRequester::setWaitingBuffers(const QSet<BufferId> &buffers)
40 {
41  _buffersWaiting = buffers;
43 }
44 
45 
47 {
49  _totalBuffers++;
50 }
51 
52 
53 bool BacklogRequester::buffer(BufferId bufferId, const MessageList &messages)
54 {
55  _bufferedMessages << messages;
56  _buffersWaiting.remove(bufferId);
57  return !_buffersWaiting.isEmpty();
58 }
59 
60 
62 {
63  QSet<BufferId> bufferIds = Client::bufferViewOverlay()->bufferIds();
65  return bufferIds.toList();
66 }
67 
68 
70 {
71  if (!_buffersWaiting.isEmpty()) {
72  qWarning() << Q_FUNC_INFO << "was called before all backlog was received:"
73  << _buffersWaiting.count() << "buffers are waiting.";
74  }
75  _bufferedMessages.clear();
76  _totalBuffers = 0;
77  _buffersWaiting.clear();
78 }
79 
80 
81 // ========================================
82 // FIXED BACKLOG REQUESTER
83 // ========================================
85  : BacklogRequester(true, BacklogRequester::PerBufferFixed, backlogManager)
86 {
87  BacklogSettings backlogSettings;
88  _backlogCount = backlogSettings.fixedBacklogAmount();
89 }
90 
91 
93 {
94  setWaitingBuffers(bufferIds);
95  backlogManager->emitMessagesRequested(QObject::tr("Requesting a total of up to %1 backlog messages for %2 buffers").arg(_backlogCount * bufferIds.count()).arg(bufferIds.count()));
96  foreach(BufferId bufferId, bufferIds) {
97  backlogManager->requestBacklog(bufferId, -1, -1, _backlogCount);
98  }
99 }
100 
101 
102 // ========================================
103 // GLOBAL UNREAD BACKLOG REQUESTER
104 // ========================================
106  : BacklogRequester(false, BacklogRequester::GlobalUnread, backlogManager)
107 {
108  BacklogSettings backlogSettings;
109  _limit = backlogSettings.globalUnreadBacklogLimit();
110  _additional = backlogSettings.globalUnreadBacklogAdditional();
111 }
112 
113 
115 {
116  MsgId oldestUnreadMessage;
117  foreach(BufferId bufferId, allBufferIds()) {
118  MsgId msgId = Client::networkModel()->lastSeenMsgId(bufferId);
119  if (!oldestUnreadMessage.isValid() || oldestUnreadMessage > msgId)
120  oldestUnreadMessage = msgId;
121  }
122  backlogManager->emitMessagesRequested(QObject::tr("Requesting up to %1 of all unread backlog messages (plus additional %2)").arg(_limit).arg(_additional));
123  backlogManager->requestBacklogAll(oldestUnreadMessage, -1, _limit, _additional);
124 }
125 
126 
127 // ========================================
128 // PER BUFFER UNREAD BACKLOG REQUESTER
129 // ========================================
131  : BacklogRequester(true, BacklogRequester::PerBufferUnread, backlogManager)
132 {
133  BacklogSettings backlogSettings;
134  _limit = backlogSettings.perBufferUnreadBacklogLimit();
135  _additional = backlogSettings.perBufferUnreadBacklogAdditional();
136 }
137 
138 
140 {
141  setWaitingBuffers(bufferIds);
142  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()));
143  foreach(BufferId bufferId, bufferIds) {
144  backlogManager->requestBacklog(bufferId, Client::networkModel()->lastSeenMsgId(bufferId), -1, _limit, _additional);
145  }
146 }