1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel IRC Team *
3 * devel@quassel-irc.org *
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. *
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. *
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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include "messagemodel.h"
27 class ProcessBufferEvent : public QEvent {
29 inline ProcessBufferEvent() : QEvent(QEvent::User) {}
32 MessageModel::MessageModel(QObject *parent)
33 : QAbstractItemModel(parent)
35 QDateTime now = QDateTime::currentDateTime();
36 now.setTimeSpec(Qt::UTC);
37 _nextDayChange.setTimeSpec(Qt::UTC);
38 _nextDayChange.setTime_t(((now.toTime_t() / 86400) + 1) * 86400);
39 _nextDayChange.setTimeSpec(Qt::LocalTime);
40 _dayChangeTimer.setInterval(QDateTime::currentDateTime().secsTo(_nextDayChange) * 1000);
41 _dayChangeTimer.start();
42 connect(&_dayChangeTimer, SIGNAL(timeout()), this, SLOT(changeOfDay()));
45 QVariant MessageModel::data(const QModelIndex &index, int role) const {
46 int row = index.row(); int column = index.column();
47 if(row < 0 || row >= _messageList.count() || column < 0)
50 if(role == ColumnTypeRole)
53 return _messageList[row]->data(index.column(), role);
56 bool MessageModel::setData(const QModelIndex &index, const QVariant &value, int role) {
57 int row = index.row();
58 if(row < 0 || row >= _messageList.count())
61 if(_messageList[row]->setData(index.column(), value, role)) {
62 emit dataChanged(index, index);
71 bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
72 MsgId id = msg.msgId();
73 int idx = indexForId(id);
74 if(!fakeMsg && idx < _messageList.count()) { // check for duplicate
75 if(_messageList[idx]->msgId() == id)
79 MessageModelItem *item = createMessageModelItem(msg);
80 beginInsertRows(QModelIndex(), idx, idx);
81 _messageList.insert(idx, item);
86 void MessageModel::insertMessages(const QList<Message> &msglist) {
90 int processedMsgs = insertMessagesGracefully(msglist);
91 int remainingMsgs = msglist.count() - processedMsgs;
92 if(remainingMsgs > 0) {
93 if(msglist.first().msgId() < msglist.last().msgId()) {
95 _messageBuffer << msglist.mid(0, remainingMsgs);
97 _messageBuffer << msglist.mid(processedMsgs);
99 qSort(_messageBuffer);
100 QCoreApplication::postEvent(this, new ProcessBufferEvent());
104 void MessageModel::insertMessageGroup(const QList<Message> &msglist) {
105 int idx = indexForId(msglist.first().msgId());
107 int prevIdx = idx - 1;
108 if(_messageList[prevIdx]->msgType() == Message::DayChange
109 && _messageList[prevIdx]->timeStamp() > msglist.value(0).timestamp()) {
110 beginRemoveRows(QModelIndex(), prevIdx, prevIdx);
111 MessageModelItem *oldItem = _messageList.takeAt(prevIdx);
118 int end = idx + msglist.count() - 1;
120 Message dayChangeMsg;
121 bool needsDayChangeMsg = false;
122 if(idx < _messageList.count() && _messageList[idx]->msgType() != Message::DayChange) {
123 QDateTime nextTs = _messageList[idx]->timeStamp();
124 QDateTime prevTs = msglist.last().timestamp();
125 nextTs.setTimeSpec(Qt::UTC);
126 prevTs.setTimeSpec(Qt::UTC);
127 uint nextDay = nextTs.toTime_t() / 86400;
128 uint prevDay = prevTs.toTime_t() / 86400;
129 if(nextDay != prevDay) {
130 nextTs.setTime_t(nextDay * 86400);
131 nextTs.setTimeSpec(Qt::LocalTime);
132 dayChangeMsg = Message::ChangeOfDay(nextTs);
133 dayChangeMsg.setMsgId(msglist.last().msgId());
134 needsDayChangeMsg = true;
138 beginInsertRows(QModelIndex(), start, end);
139 foreach(Message msg, msglist) {
140 _messageList.insert(idx, createMessageModelItem(msg));
143 if(needsDayChangeMsg) {
144 _messageList.insert(idx, createMessageModelItem(dayChangeMsg));
149 int MessageModel::insertMessagesGracefully(const QList<Message> &msglist) {
150 bool inOrder = (msglist.first().msgId() < msglist.last().msgId());
151 // depending on the order we have to traverse from the front to the back or vice versa
153 QList<Message> grouplist;
157 bool fastForward = false;
158 QList<Message>::const_iterator iter;
160 iter = msglist.constEnd();
161 iter--; // this op is safe as we've allready passed an empty check
163 iter = msglist.constBegin();
166 int idx = indexForId((*iter).msgId());
167 if(idx >= 0 && !_messageList.isEmpty())
168 dupeId = _messageList[idx]->msgId();
170 // we always compare to the previous entry...
171 // if there isn't, we can fastforward to the top
173 id = _messageList[idx - 1]->msgId();
177 if((*iter).msgId() != dupeId)
186 while(iter != msglist.constBegin()) {
189 if(!fastForward && (*iter).msgId() < id)
192 if((*iter).msgId() != dupeId) {
193 if(!grouplist.isEmpty()) {
194 QDateTime nextTs = grouplist.value(0).timestamp();
195 QDateTime prevTs = (*iter).timestamp();
196 nextTs.setTimeSpec(Qt::UTC);
197 prevTs.setTimeSpec(Qt::UTC);
198 uint nextDay = nextTs.toTime_t() / 86400;
199 uint prevDay = prevTs.toTime_t() / 86400;
200 if(nextDay != prevDay) {
201 nextTs.setTime_t(nextDay * 86400);
202 nextTs.setTimeSpec(Qt::LocalTime);
203 Message dayChangeMsg = Message::ChangeOfDay(nextTs);
204 dayChangeMsg.setMsgId((*iter).msgId());
205 grouplist.prepend(dayChangeMsg);
209 grouplist.prepend(*iter);
215 while(iter != msglist.constEnd()) {
216 if(!fastForward && (*iter).msgId() < id)
219 if((*iter).msgId() != dupeId) {
220 if(!grouplist.isEmpty()) {
221 QDateTime nextTs = grouplist.value(0).timestamp();
222 QDateTime prevTs = (*iter).timestamp();
223 nextTs.setTimeSpec(Qt::UTC);
224 prevTs.setTimeSpec(Qt::UTC);
225 uint nextDay = nextTs.toTime_t() / 86400;
226 uint prevDay = prevTs.toTime_t() / 86400;
227 if(nextDay != prevDay) {
228 nextTs.setTime_t(nextDay * 86400);
229 nextTs.setTimeSpec(Qt::LocalTime);
230 Message dayChangeMsg = Message::ChangeOfDay(nextTs);
231 dayChangeMsg.setMsgId((*iter).msgId());
232 grouplist.prepend(dayChangeMsg);
236 grouplist.prepend(*iter);
245 insertMessageGroup(grouplist);
246 return grouplist.count() + dupeCount;
249 void MessageModel::customEvent(QEvent *event) {
250 if(event->type() != QEvent::User)
255 if(_messageBuffer.isEmpty())
258 int processedMsgs = insertMessagesGracefully(_messageBuffer);
259 int remainingMsgs = _messageBuffer.count() - processedMsgs;
261 QList<Message>::iterator removeStart = _messageBuffer.begin() + remainingMsgs;
262 QList<Message>::iterator removeEnd = _messageBuffer.end();
263 _messageBuffer.erase(removeStart, removeEnd);
265 if(!_messageBuffer.isEmpty())
266 QCoreApplication::postEvent(this, new ProcessBufferEvent());
269 void MessageModel::clear() {
270 beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
271 qDeleteAll(_messageList);
272 _messageList.clear();
278 // returns index of msg with given Id or of the next message after that (i.e., the index where we'd insert this msg)
279 int MessageModel::indexForId(MsgId id) {
280 if(_messageList.isEmpty() || id <= _messageList.value(0)->msgId())
282 if(id > _messageList.last()->msgId())
283 return _messageList.count();
286 int start = 0; int end = _messageList.count()-1;
290 int pivot = (end + start) / 2;
291 if(id <= _messageList.value(pivot)->msgId()) end = pivot;
296 void MessageModel::changeOfDay() {
297 _dayChangeTimer.setInterval(86400000);
298 qDebug() << _nextDayChange;
299 if(!_messageList.isEmpty()) {
300 int idx = _messageList.count();
301 while(idx > 0 && _messageList[idx - 1]->timeStamp() > _nextDayChange) {
304 beginInsertRows(QModelIndex(), idx, idx);
305 Message dayChangeMsg = Message::ChangeOfDay(_nextDayChange);
306 dayChangeMsg.setMsgId(_messageList[idx - 1]->msgId());
307 _messageList.insert(idx, createMessageModelItem(dayChangeMsg));
310 _nextDayChange = _nextDayChange.addSecs(86400);
313 /**********************************************************************************/
315 MessageModelItem::MessageModelItem(const Message &msg) :
316 _timestamp(msg.timestamp()),
318 _bufferId(msg.bufferInfo().bufferId()),
324 QVariant MessageModelItem::data(int column, int role) const {
325 if(column < MessageModel::TimestampColumn || column > MessageModel::ContentsColumn)
329 case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(_msgId);
330 case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(_bufferId);
331 case MessageModel::TypeRole: return _type;
332 case MessageModel::FlagsRole: return (int)_flags;
333 case MessageModel::TimestampRole: return _timestamp;
334 default: return QVariant();
340 bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){
341 return (*m1) < (*m2);
344 bool MessageModelItem::operator<(const MessageModelItem &other) const {
345 return _msgId < other._msgId;
348 bool MessageModelItem::operator==(const MessageModelItem &other) const {
349 return _msgId == other._msgId;
352 bool MessageModelItem::operator>(const MessageModelItem &other) const {
353 return _msgId > other._msgId;