Insert back HistoryManager

There are a few notable changes here:
- rekonq_defines.h clean up, removing the enums from there
- let HistoryManager be accessible by a self function

1 files changed, 175 insertions, 0 deletions

diff --git a/src/history/historymanager.h b/src/history/historymanager.h
new file mode 100644
index 00000000..96de8ab8
--- /dev/null
+++ b/src/history/historymanager.h
@@ -0,0 +1,175 @@
+/* ============================================================
+*
+* 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
+    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());
+
+    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