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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
* Copyright (C) 2008 Benjamin C. Meyer <ben@meyerhome.net>
* Copyright (C) 2008-2012 by Andrea Diamantini <adjam7 at gmail dot com>
*
*
* 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 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */
#ifndef HISTORY_H
#define HISTORY_H
// KDE Includes
#include <KUrl>
// Qt Includes
#include <QDateTime>
#include <QHash>
#include <QObject>
#include <QWebHistory>
#include <math.h>
// Forward Declarations
class AutoSaver;
class HistoryFilterModel;
class HistoryTreeModel;
class QWebHistory;
/**
* Elements in this class represent an history item
*
*/
class HistoryItem
{
public:
HistoryItem() : visitCount(1)
{}
explicit HistoryItem(const QString &u,
const QDateTime &d = QDateTime(),
const QString &t = QString()
)
: title(t)
, url(u)
, firstDateTimeVisit(d)
, lastDateTimeVisit(d)
, visitCount(1)
{}
inline bool operator==(const HistoryItem &other) const
{
return other.title == title
&& other.url == url
&& other.firstDateTimeVisit == firstDateTimeVisit
&& other.lastDateTimeVisit == lastDateTimeVisit;
}
inline qreal relevance() const
{
return log(visitCount) - log(lastDateTimeVisit.daysTo(QDateTime::currentDateTime()) + 1);
}
// history is sorted in reverse
// WARNING: Please, NO MORE CHANGE this!
inline bool operator <(const HistoryItem &other) const
{
return lastDateTimeVisit > other.lastDateTimeVisit;
}
QString title;
QString url;
QDateTime firstDateTimeVisit;
QDateTime lastDateTimeVisit;
int visitCount;
};
// ---------------------------------------------------------------------------------------------------------------
/**
* THE History Manager:
* It manages rekonq history
*
*/
class HistoryManager : public QObject
{
Q_OBJECT
public:
/**
* Entry point.
* Access to HistoryManager class by using
* HistoryManager::self()->thePublicMethodYouNeed()
*/
static HistoryManager *self();
~HistoryManager();
bool historyContains(const QString &url) const;
void addHistoryEntry(const KUrl &url, const QString &title);
void removeHistoryEntry(const KUrl &url, const QString &title = QString());
void removeHistoryLocationEntry(int value);
QList<HistoryItem> find(const QString &text);
QList<HistoryItem> history() const
{
return m_history;
};
void setHistory(const QList<HistoryItem> &history, bool loadedAndSorted = false);
// History manager keeps around these models for use by the completer and other classes
HistoryFilterModel *historyFilterModel() const
{
return m_historyFilterModel;
};
HistoryTreeModel *historyTreeModel() const
{
return m_historyTreeModel;
};
Q_SIGNALS:
void historyReset();
void entryAdded(const HistoryItem &item);
void entryRemoved(const HistoryItem &item);
void historySaved();
public Q_SLOTS:
void clear();
void loadSettings();
private Q_SLOTS:
void save();
void checkForExpired();
private:
HistoryManager(QObject *parent = 0);
void load();
AutoSaver *m_saveTimer;
int m_historyLimit;
QList<HistoryItem> m_history;
QString m_lastSavedUrl;
HistoryFilterModel *m_historyFilterModel;
HistoryTreeModel *m_historyTreeModel;
static QWeakPointer<HistoryManager> s_historyManager;
};
#endif // HISTORY_H
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