File indexing completed on 2024-05-12 04:58:06

 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2010-2014  David Rosca <nowrep@gmail.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 3 of the License, or
 * (at your option) any later version.
 *
 * 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 HISTORYMODEL_H
 #define HISTORYMODEL_H
 
 #include <QAbstractItemModel>
 #include <QSortFilterProxyModel>
 
 #include "qzcommon.h"
 #include "history.h"
 
 class QTimer;
 
 class History;
 class HistoryItem;
 
 class FALKON_EXPORT HistoryModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
     enum Roles {
         IdRole = Qt::UserRole + 1,
         TitleRole = Qt::UserRole + 2,
         UrlRole = Qt::UserRole + 3,
         UrlStringRole = Qt::UserRole + 4,
         IconRole = Qt::UserRole + 5,
         IsTopLevelRole = Qt::UserRole + 7,
         TimestampStartRole = Qt::UserRole + 8,
         TimestampEndRole = Qt::UserRole + 9,
         MaxRole = TimestampEndRole
     };
 
     explicit HistoryModel(History* history);
 
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
     QVariant data(const QModelIndex &index, int role) const override;
     bool setData(const QModelIndex &index, const QVariant &value, int role) override;
 
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
     QModelIndex parent(const QModelIndex &child) const override;
     Qt::ItemFlags flags(const QModelIndex &index) const override;
 
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
     bool canFetchMore(const QModelIndex &parent) const override;
     void fetchMore(const QModelIndex &parent) override;
 
     bool hasChildren(const QModelIndex &parent) const override;
 
     HistoryItem* itemFromIndex(const QModelIndex &index) const;
 
     void removeTopLevelIndexes(const QList<QPersistentModelIndex> &indexes);
 
 private Q_SLOTS:
     void resetHistory();
 
     void historyEntryAdded(const HistoryEntry &entry);
     void historyEntryDeleted(const HistoryEntry &entry);
     void historyEntryEdited(const HistoryEntry &before, const HistoryEntry &after);
 
 private:
     HistoryItem* findHistoryItem(const HistoryEntry &entry);
     void checkEmptyParentItem(HistoryItem* item);
     void init();
 
     HistoryItem* m_rootItem;
     HistoryItem* m_todayItem;
     History* m_history;
 };
 
 class FALKON_EXPORT HistoryFilterModel : public QSortFilterProxyModel
 {
     Q_OBJECT
 public:
     explicit HistoryFilterModel(QAbstractItemModel* parent);
     bool isPatternEmpty() const;
 
 public Q_SLOTS:
     void setFilterFixedString(const QString &pattern);
 
 Q_SIGNALS:
     void expandAllItems();
     void collapseAllItems();
 
 protected:
     bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
 
 private Q_SLOTS:
     void startFiltering();
 
 private:
     QString m_pattern;
     QTimer* m_filterTimer;
 };
 
 #endif // HISTORYMODEL_H