Splitted history classes

1 files changed, 255 insertions, 0 deletions

diff --git a/src/historymodels.h b/src/historymodels.h
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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) 2008-2009 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 HISTORYMODELS_H
+#define HISTORYMODELS_H
+
+// Local Includes
+#include "history.h"
+#include "modelmenu.h"
+
+// KDE Includes
+#include <KUrl>
+
+// Qt Includes
+#include <QDateTime>
+#include <QHash>
+#include <QObject>
+#include <QTimer>
+#include <QSortFilterProxyModel>
+#include <QWebHistoryInterface>
+
+
+
+class HistoryModel : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public slots:
+    void historyReset();
+    void entryAdded();
+    void entryUpdated(int offset);
+
+public:
+    enum Roles
+    {
+        DateRole = Qt::UserRole + 1,
+        DateTimeRole = Qt::UserRole + 2,
+        UrlRole = Qt::UserRole + 3,
+        UrlStringRole = Qt::UserRole + 4
+    };
+
+    explicit HistoryModel(HistoryManager *history, QObject *parent = 0);
+
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+
+private:
+    HistoryManager *m_history;
+};
+
+
+// ----------------------------------------------------------------------------------------------------
+
+/**
+ * Proxy model that will remove any duplicate entries.
+ * Both m_sourceRow and m_historyHash store their offsets not from
+ * the front of the list, but as offsets from the back.
+ *
+ */
+
+class HistoryFilterModel : public QAbstractProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit HistoryFilterModel(QAbstractItemModel *sourceModel, QObject *parent = 0);
+
+    inline bool historyContains(const QString &url) const
+    {
+        load(); return m_historyHash.contains(url);
+    }
+    int historyLocation(const QString &url) const;
+
+    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
+    QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
+    void setSourceModel(QAbstractItemModel *sourceModel);
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex index(int, int, const QModelIndex& = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex& index = QModelIndex()) const;
+    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+
+private slots:
+    void sourceReset();
+    void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
+    void sourceRowsRemoved(const QModelIndex &, int, int);
+
+private:
+    void load() const;
+
+    mutable QList<int> m_sourceRow;
+    mutable QHash<QString, int> m_historyHash;
+    mutable bool m_loaded;
+};
+
+
+// ----------------------------------------------------------------------------------------------------------------------
+
+/**
+ * The history menu
+ * - Removes the first twenty entries and puts them as children of the top level.
+ * - If there are less then twenty entries then the first folder is also removed.
+ *
+ * The mapping is done by knowing that HistoryTreeModel is over a table
+ * We store that row offset in our index's private data.
+ *
+ */
+
+class HistoryMenuModel : public QAbstractProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit HistoryMenuModel(HistoryTreeModel *sourceModel, QObject *parent = 0);
+
+    int columnCount(const QModelIndex &parent) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex mapFromSource(const QModelIndex & sourceIndex) const;
+    QModelIndex mapToSource(const QModelIndex & proxyIndex) const;
+    QModelIndex index(int, int, const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex &index = QModelIndex()) const;
+
+    int bumpedRows() const;
+
+private:
+    HistoryTreeModel *m_treeModel;
+};
+
+
+// ----------------------------------------------------------------------------------------
+
+/**
+ * Proxy model for the history model that
+ * exposes each url http://www.foo.com and
+ * it url starting at the host www.foo.com
+ *
+ */
+
+class HistoryCompletionModel : public QAbstractProxyModel
+{
+    Q_OBJECT
+
+public:
+    HistoryCompletionModel(QObject *parent = 0);
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
+    QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
+    QModelIndex index(int, int, const QModelIndex& = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex& index = QModelIndex()) const;
+    void setSourceModel(QAbstractItemModel *sourceModel);
+
+private slots:
+    void sourceReset();
+
+};
+
+
+// ---------------------------------------------------------------------------------------
+
+/**
+ * Proxy model for the history model that converts the list
+ * into a tree, one top level node per day.
+ * Used in the HistoryDialog.
+ *
+ */
+
+class HistoryTreeModel : public QAbstractProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit HistoryTreeModel(QAbstractItemModel *sourceModel, QObject *parent = 0);
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    int columnCount(const QModelIndex &parent) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
+    QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex &index = QModelIndex()) const;
+    bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+
+    void setSourceModel(QAbstractItemModel *sourceModel);
+
+private slots:
+    void sourceReset();
+    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
+    void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
+
+private:
+    int sourceDateRow(int row) const;
+    mutable QList<int> m_sourceRowCache;
+
+};
+
+
+// -----------------------------------------------------------------------------------------------------------------
+
+/**
+ * A modified QSortFilterProxyModel that always accepts
+ * the root nodes in the tree
+ * so filtering is only done on the children.
+ * Used in the HistoryDialog.
+ *
+ */
+
+class TreeProxyModel : public QSortFilterProxyModel
+{
+    Q_OBJECT
+
+public:
+    TreeProxyModel(QObject *parent = 0);
+
+protected:
+    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
+};
+
+
+#endif // HISTORYMODELS_H