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buffersyncer.cpp
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20 
21 #include "buffersyncer.h"
22 
24 BufferSyncer::BufferSyncer(QObject *parent)
25  : SyncableObject(parent)
26 {
27 }
28 
29 
30 BufferSyncer::BufferSyncer(const QHash<BufferId, MsgId> &lastSeenMsg, const QHash<BufferId, MsgId> &markerLines, QObject *parent)
31  : SyncableObject(parent),
32  _lastSeenMsg(lastSeenMsg),
33  _markerLines(markerLines)
34 {
35 }
36 
37 
39 {
40  return _lastSeenMsg.value(buffer, MsgId());
41 }
42 
43 
44 bool BufferSyncer::setLastSeenMsg(BufferId buffer, const MsgId &msgId)
45 {
46  if (!msgId.isValid())
47  return false;
48 
49  const MsgId oldLastSeenMsg = lastSeenMsg(buffer);
50  if (!oldLastSeenMsg.isValid() || oldLastSeenMsg < msgId) {
51  _lastSeenMsg[buffer] = msgId;
52  SYNC(ARG(buffer), ARG(msgId))
53  emit lastSeenMsgSet(buffer, msgId);
54  return true;
55  }
56  return false;
57 }
58 
59 
61 {
62  return _markerLines.value(buffer, MsgId());
63 }
64 
65 
66 bool BufferSyncer::setMarkerLine(BufferId buffer, const MsgId &msgId)
67 {
68  if (!msgId.isValid())
69  return false;
70 
71  if (_markerLines.value(buffer) == msgId)
72  return false;
73 
74  _markerLines[buffer] = msgId;
75  SYNC(ARG(buffer), ARG(msgId))
76  emit markerLineSet(buffer, msgId);
77  return true;
78 }
79 
80 
81 QVariantList BufferSyncer::initLastSeenMsg() const
82 {
83  QVariantList list;
84  QHash<BufferId, MsgId>::const_iterator iter = _lastSeenMsg.constBegin();
85  while (iter != _lastSeenMsg.constEnd()) {
86  list << QVariant::fromValue<BufferId>(iter.key())
87  << QVariant::fromValue<MsgId>(iter.value());
88  ++iter;
89  }
90  return list;
91 }
92 
93 
94 void BufferSyncer::initSetLastSeenMsg(const QVariantList &list)
95 {
96  _lastSeenMsg.clear();
97  Q_ASSERT(list.count() % 2 == 0);
98  for (int i = 0; i < list.count(); i += 2) {
99  setLastSeenMsg(list.at(i).value<BufferId>(), list.at(i+1).value<MsgId>());
100  }
101 }
102 
103 
104 QVariantList BufferSyncer::initMarkerLines() const
105 {
106  QVariantList list;
107  QHash<BufferId, MsgId>::const_iterator iter = _markerLines.constBegin();
108  while (iter != _markerLines.constEnd()) {
109  list << QVariant::fromValue<BufferId>(iter.key())
110  << QVariant::fromValue<MsgId>(iter.value());
111  ++iter;
112  }
113  return list;
114 }
115 
116 
117 void BufferSyncer::initSetMarkerLines(const QVariantList &list)
118 {
119  _markerLines.clear();
120  Q_ASSERT(list.count() % 2 == 0);
121  for (int i = 0; i < list.count(); i += 2) {
122  setMarkerLine(list.at(i).value<BufferId>(), list.at(i+1).value<MsgId>());
123  }
124 }
125 
126 
128 {
129  if (_lastSeenMsg.contains(buffer))
130  _lastSeenMsg.remove(buffer);
131  if (_markerLines.contains(buffer))
132  _markerLines.remove(buffer);
133  SYNC(ARG(buffer))
134  emit bufferRemoved(buffer);
135 }
136 
137 
139 {
140  if (_lastSeenMsg.contains(buffer2))
141  _lastSeenMsg.remove(buffer2);
142  if (_markerLines.contains(buffer2))
143  _markerLines.remove(buffer2);
144  SYNC(ARG(buffer1), ARG(buffer2))
145  emit buffersPermanentlyMerged(buffer1, buffer2);
146 }