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)
37 QVariant MessageModel::data(const QModelIndex &index, int role) const {
38 int row = index.row(); int column = index.column();
39 if(row < 0 || row >= _messageList.count() || column < 0)
42 if(role == ColumnTypeRole)
45 return _messageList[row]->data(index.column(), role);
48 bool MessageModel::setData(const QModelIndex &index, const QVariant &value, int role) {
49 int row = index.row();
50 if(row < 0 || row >= _messageList.count())
53 if(_messageList[row]->setData(index.column(), value, role)) {
54 emit dataChanged(index, index);
63 bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
64 MsgId id = msg.msgId();
65 int idx = indexForId(id);
66 if(!fakeMsg && idx < _messageList.count()) { // check for duplicate
67 if(_messageList[idx]->msgId() == id)
71 MessageModelItem *item = createMessageModelItem(msg);
72 beginInsertRows(QModelIndex(), idx, idx);
73 _messageList.insert(idx, item);
78 void MessageModel::insertMessages(const QList<Message> &msglist) {
82 // if(_messageList.isEmpty()) {
83 // insertMessageGroup(msglist);
85 int processedMsgs = insertMessagesGracefully(msglist);
86 int remainingMsgs = msglist.count() - processedMsgs;
87 if(remainingMsgs > 0) {
88 if(msglist.first().msgId() < msglist.last().msgId()) {
90 _messageBuffer << msglist.mid(0, remainingMsgs);
92 _messageBuffer << msglist.mid(processedMsgs);
94 qSort(_messageBuffer);
95 QCoreApplication::postEvent(this, new ProcessBufferEvent());
100 void MessageModel::insertMessageGroup(const QList<Message> &msglist) {
101 int idx = indexForId(msglist.first().msgId());
103 int prevIdx = idx - 1;
104 if(_messageList[prevIdx]->msgType() == Message::DayChange
105 && _messageList[prevIdx]->timeStamp() > msglist.value(0).timestamp()) {
106 beginRemoveRows(QModelIndex(), prevIdx, prevIdx);
107 MessageModelItem *oldItem = _messageList.takeAt(prevIdx);
113 beginInsertRows(QModelIndex(), idx, idx+msglist.count()-1);
114 foreach(Message msg, msglist) {
115 _messageList.insert(idx, createMessageModelItem(msg));
121 int MessageModel::insertMessagesGracefully(const QList<Message> &msglist) {
122 bool inOrder = (msglist.first().msgId() < msglist.last().msgId());
123 // depending on the order we have to traverse from the front to the back or vice versa
125 QList<Message> grouplist;
129 bool fastForward = false;
130 QList<Message>::const_iterator iter;
132 iter = msglist.constEnd();
133 iter--; // this op is safe as we've allready passed an empty check
135 iter = msglist.constBegin();
138 int idx = indexForId((*iter).msgId());
139 if(idx >= 0 && !_messageList.isEmpty())
140 dupeId = _messageList[idx]->msgId();
142 // we always compare to the previous entry...
143 // if there isn't, we can fastforward to the top
145 id = _messageList[idx - 1]->msgId();
149 if((*iter).msgId() != dupeId)
158 while(iter != msglist.constBegin()) {
161 if(!fastForward && (*iter).msgId() < id)
164 if((*iter).msgId() != dupeId) {
165 if(!grouplist.isEmpty()) {
166 QDateTime nextTs = grouplist.value(0).timestamp();
167 QDateTime prevTs = (*iter).timestamp();
168 nextTs.setTimeSpec(Qt::UTC);
169 prevTs.setTimeSpec(Qt::UTC);
170 uint nextDay = nextTs.toTime_t() / 86400;
171 uint prevDay = prevTs.toTime_t() / 86400;
172 if(nextDay != prevDay) {
173 nextTs.setTime_t(nextDay * 86400);
174 nextTs.setTimeSpec(Qt::LocalTime);
175 Message dayChangeMsg = Message::ChangeOfDay(nextTs);
176 dayChangeMsg.setMsgId((*iter).msgId());
177 grouplist.prepend(dayChangeMsg);
181 grouplist.prepend(*iter);
187 while(iter != msglist.constEnd()) {
188 if(!fastForward && (*iter).msgId() < id)
191 if((*iter).msgId() != dupeId) {
192 if(!grouplist.isEmpty()) {
193 qWarning() << "copy day change check";
195 grouplist.prepend(*iter);
204 insertMessageGroup(grouplist);
205 return grouplist.count() + dupeCount;
208 void MessageModel::customEvent(QEvent *event) {
209 if(event->type() != QEvent::User)
214 if(_messageBuffer.isEmpty())
217 int processedMsgs = insertMessagesGracefully(_messageBuffer);
218 int remainingMsgs = _messageBuffer.count() - processedMsgs;
220 QList<Message>::iterator removeStart = _messageBuffer.begin() + remainingMsgs;
221 QList<Message>::iterator removeEnd = _messageBuffer.end();
222 _messageBuffer.erase(removeStart, removeEnd);
224 if(!_messageBuffer.isEmpty())
225 QCoreApplication::postEvent(this, new ProcessBufferEvent());
228 void MessageModel::clear() {
229 beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
230 qDeleteAll(_messageList);
231 _messageList.clear();
237 // returns index of msg with given Id or of the next message after that (i.e., the index where we'd insert this msg)
238 int MessageModel::indexForId(MsgId id) {
239 if(_messageList.isEmpty() || id <= _messageList.value(0)->msgId())
241 if(id > _messageList.last()->msgId())
242 return _messageList.count();
245 int start = 0; int end = _messageList.count()-1;
249 int pivot = (end + start) / 2;
250 if(id <= _messageList.value(pivot)->msgId()) end = pivot;
255 /**********************************************************************************/
257 MessageModelItem::MessageModelItem(const Message &msg) :
258 _timestamp(msg.timestamp()),
260 _bufferId(msg.bufferInfo().bufferId()),
266 QVariant MessageModelItem::data(int column, int role) const {
267 if(column < MessageModel::TimestampColumn || column > MessageModel::ContentsColumn)
271 case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(_msgId);
272 case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(_bufferId);
273 case MessageModel::TypeRole: return _type;
274 case MessageModel::FlagsRole: return (int)_flags;
275 case MessageModel::TimestampRole: return _timestamp;
276 default: return QVariant();
282 bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){
283 return (*m1) < (*m2);
286 bool MessageModelItem::operator<(const MessageModelItem &other) const {
287 return _msgId < other._msgId;
290 bool MessageModelItem::operator==(const MessageModelItem &other) const {
291 return _msgId == other._msgId;
294 bool MessageModelItem::operator>(const MessageModelItem &other) const {
295 return _msgId > other._msgId;