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/***************************************************************************
* Copyright (C) 2005-2014 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef MESSAGEMODEL_H_
#define MESSAGEMODEL_H_
#include <QAbstractItemModel>
#include <QDateTime>
#include <QTimer>
#include "message.h"
#include "types.h"
class MessageModelItem;
struct MsgId;
class MessageModel : public QAbstractItemModel
{
Q_OBJECT
public:
enum MessageModelRole {
DisplayRole = Qt::DisplayRole,
EditRole = Qt::EditRole,
BackgroundRole = Qt::BackgroundRole,
MessageRole = Qt::UserRole,
MsgIdRole,
BufferIdRole,
TypeRole,
FlagsRole,
TimestampRole,
FormatRole,
ColumnTypeRole,
RedirectedToRole,
UserRole
};
enum ColumnType {
TimestampColumn, SenderColumn, ContentsColumn, UserColumnType
};
MessageModel(QObject *parent);
inline QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
inline QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }
inline int rowCount(const QModelIndex &parent = QModelIndex()) const { return parent.isValid() ? 0 : messageCount(); }
inline int columnCount(const QModelIndex & /*parent*/ = QModelIndex()) const { return 3; }
virtual QVariant data(const QModelIndex &index, int role) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role);
//virtual Qt::ItemFlags flags(const QModelIndex &index) const;
bool insertMessage(const Message &, bool fakeMsg = false);
void insertMessages(const QList<Message> &);
void clear();
signals:
void finishedBacklogFetch(BufferId bufferId);
public slots:
void requestBacklog(BufferId bufferId);
void messagesReceived(BufferId bufferId, int count);
void buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2);
void insertErrorMessage(BufferInfo bufferInfo, const QString &errorString);
protected:
// virtual MessageModelItem *createMessageModelItem(const Message &) = 0;
virtual int messageCount() const = 0;
virtual bool messagesIsEmpty() const = 0;
virtual const MessageModelItem *messageItemAt(int i) const = 0;
virtual MessageModelItem *messageItemAt(int i) = 0;
virtual const MessageModelItem *firstMessageItem() const = 0;
virtual MessageModelItem *firstMessageItem() = 0;
virtual const MessageModelItem *lastMessageItem() const = 0;
virtual MessageModelItem *lastMessageItem() = 0;
virtual void insertMessage__(int pos, const Message &) = 0;
virtual void insertMessages__(int pos, const QList<Message> &) = 0;
virtual void removeMessageAt(int i) = 0;
virtual void removeAllMessages() = 0;
virtual Message takeMessageAt(int i) = 0;
virtual void customEvent(QEvent *event);
private slots:
void changeOfDay();
private:
void insertMessageGroup(const QList<Message> &);
int insertMessagesGracefully(const QList<Message> &); // inserts as many contiguous msgs as possible. returns numer of inserted msgs.
int indexForId(MsgId);
// QList<MessageModelItem *> _messageList;
QList<Message> _messageBuffer;
QTimer _dayChangeTimer;
QDateTime _nextDayChange;
QHash<BufferId, int> _messagesWaiting;
};
// inlines
QModelIndex MessageModel::index(int row, int column, const QModelIndex &parent) const
{
if (row < 0 || row >= rowCount(parent) || column < 0 || column >= columnCount(parent))
return QModelIndex();
return createIndex(row, column);
}
// **************************************************
// MessageModelItem
// **************************************************
class MessageModelItem
{
public:
//! Creates a MessageModelItem from a Message object.
/** This baseclass implementation takes care of all Message data *except* the stylable strings.
* Subclasses need to provide Qt::DisplayRole at least, which should describe the plaintext
* strings without formattings (e.g. for searching purposes).
*/
MessageModelItem() {}
inline virtual ~MessageModelItem() {}
virtual QVariant data(int column, int role) const;
virtual bool setData(int column, const QVariant &value, int role);
virtual const Message &message() const = 0;
virtual const QDateTime ×tamp() const = 0;
virtual const MsgId &msgId() const = 0;
virtual const BufferId &bufferId() const = 0;
virtual void setBufferId(BufferId bufferId) = 0;
virtual Message::Type msgType() const = 0;
virtual Message::Flags msgFlags() const = 0;
// For sorting
bool operator<(const MessageModelItem &) const;
bool operator==(const MessageModelItem &) const;
bool operator>(const MessageModelItem &) const;
static bool lessThan(const MessageModelItem *m1, const MessageModelItem *m2);
private:
BufferId _redirectedTo;
};
QDebug operator<<(QDebug dbg, const MessageModelItem &msgItem);
#endif
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