1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#include "backlogrequester.h"
22
23#include <QObject>
24
25#include "backlogsettings.h"
26#include "bufferviewoverlay.h"
27#include "clientbacklogmanager.h"
28
29BacklogRequester::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
39void BacklogRequester::setWaitingBuffers(const QSet<BufferId> &buffers)
40{
41 _buffersWaiting = buffers;
42 _totalBuffers = _buffersWaiting.count();
43}
44
45
46void BacklogRequester::addWaitingBuffer(BufferId buffer)
47{
48 _buffersWaiting << buffer;
49 _totalBuffers++;
50}
51
52
53bool BacklogRequester::buffer(BufferId bufferId, const MessageList &messages)
54{
55 _bufferedMessages << messages;
56 _buffersWaiting.remove(bufferId);
57 return !_buffersWaiting.isEmpty();
58}
59
60
61BufferIdList BacklogRequester::allBufferIds() const
62{
63 QSet<BufferId> bufferIds = Client::bufferViewOverlay()->bufferIds();
64 bufferIds += Client::bufferViewOverlay()->tempRemovedBufferIds();
65 return bufferIds.toList();
66}
67
68
69void BacklogRequester::flushBuffer()
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// ========================================
84FixedBacklogRequester::FixedBacklogRequester(ClientBacklogManager *backlogManager)
85 : BacklogRequester(true, BacklogRequester::PerBufferFixed, backlogManager)
86{
87 BacklogSettings backlogSettings;
88 _backlogCount = backlogSettings.fixedBacklogAmount();
89}
90
91
92void FixedBacklogRequester::requestBacklog(const BufferIdList &bufferIds)
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// ========================================
105GlobalUnreadBacklogRequester::GlobalUnreadBacklogRequester(ClientBacklogManager *backlogManager)
106 : BacklogRequester(false, BacklogRequester::GlobalUnread, backlogManager)
107{
108 BacklogSettings backlogSettings;
109 _limit = backlogSettings.globalUnreadBacklogLimit();
110 _additional = backlogSettings.globalUnreadBacklogAdditional();
111}
112
113
114void GlobalUnreadBacklogRequester::requestInitialBacklog()
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// ========================================
130PerBufferUnreadBacklogRequester::PerBufferUnreadBacklogRequester(ClientBacklogManager *backlogManager)
131 : BacklogRequester(true, BacklogRequester::PerBufferUnread, backlogManager)
132{
133 BacklogSettings backlogSettings;
134 _limit = backlogSettings.perBufferUnreadBacklogLimit();
135 _additional = backlogSettings.perBufferUnreadBacklogAdditional();
136}
137
138
139void PerBufferUnreadBacklogRequester::requestBacklog(const BufferIdList &bufferIds)
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}
147