Importing recode (rekonq code).

I'm sorry I coudn't perform this with gitsvn or tailor..
but I cannot lose all the evening just for this.
And I need to sleep now..



git-svn-id: svn+ssh://svn.kde.org/home/kde/trunk/playground/network/rekonq@963146 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 402 insertions, 0 deletions

diff --git a/src/history.h b/src/history.h
new file mode 100644
index 00000000..ecae00c3
--- /dev/null
+++ b/src/history.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, 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.
+*
+* ============================================================ */
+
+
+#ifndef HISTORY_H
+#define HISTORY_H
+
+// Local Includes
+#include "modelmenu.h"
+
+// KDE Includes
+#include <KAction>
+#include <KUrl>
+
+// Qt Includes
+#include <QDateTime>
+#include <QHash>
+#include <QObject>
+#include <QTimer>
+#include <QSortFilterProxyModel>
+#include <QWebHistoryInterface>
+
+
+/**
+ * Elements in this class represent an history item
+ *
+ */
+
+class HistoryItem
+{
+public:
+    HistoryItem() {}
+    HistoryItem(const QString &u,
+                const QDateTime &d = QDateTime(), const QString &t = QString())
+            : title(t), url(u), dateTime(d) {}
+
+    inline bool operator==(const HistoryItem &other) const
+    {
+        return other.title == title
+               && other.url == url && other.dateTime == dateTime;
+    }
+
+    // history is sorted in reverse
+    inline bool operator <(const HistoryItem &other) const
+    {
+        return dateTime > other.dateTime;
+    }
+
+    QString title;
+    QString url;
+    QDateTime dateTime;
+};
+
+
+
+// ---------------------------------------------------------------------------------------------------------------
+
+
+class AutoSaver;
+class HistoryModel;
+class HistoryFilterModel;
+class HistoryTreeModel;
+
+
+class HistoryManager : public QWebHistoryInterface
+{
+    Q_OBJECT
+    Q_PROPERTY(int historyLimit READ historyLimit WRITE setHistoryLimit)
+
+signals:
+    void historyReset();
+    void entryAdded(const HistoryItem &item);
+    void entryRemoved(const HistoryItem &item);
+    void entryUpdated(int offset);
+
+public:
+    HistoryManager(QObject *parent = 0);
+    ~HistoryManager();
+
+    bool historyContains(const QString &url) const;
+    void addHistoryEntry(const QString &url);
+    void updateHistoryEntry(const KUrl &url, const QString &title);
+    void removeHistoryEntry(const KUrl &url, const QString &title = QString());
+
+    int historyLimit() const;
+    void setHistoryLimit(int limit);
+
+    QList<HistoryItem> history() const;
+    void setHistory(const QList<HistoryItem> &history, bool loadedAndSorted = false);
+
+    // History manager keeps around these models for use by the completer and other classes
+    HistoryModel *historyModel() const;
+    HistoryFilterModel *historyFilterModel() const;
+    HistoryTreeModel *historyTreeModel() const;
+
+public slots:
+    void clear();
+    void loadSettings();
+
+private slots:
+    void save();
+    void checkForExpired();
+
+protected:
+    void addHistoryEntry(const HistoryItem &item);
+    void removeHistoryEntry(const HistoryItem &item);
+
+private:
+    void load();
+
+    AutoSaver *m_saveTimer;
+    int m_historyLimit;
+    QTimer m_expiredTimer;
+    QList<HistoryItem> m_history;
+    QString m_lastSavedUrl;
+
+    HistoryModel *m_historyModel;
+    HistoryFilterModel *m_historyFilterModel;
+    HistoryTreeModel *m_historyTreeModel;
+};
+
+
+// --------------------------------------------------------------------------------------------------------
+
+
+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
+    };
+
+    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:
+    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:
+    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;
+};
+
+
+// ---------------------------------------------------------------------------------------------
+
+/**
+ * Menu that is dynamically populated from the history
+ *
+ */
+
+class HistoryMenu : public ModelMenu
+{
+    Q_OBJECT
+
+signals:
+    void openUrl(const KUrl &url);
+
+public:
+    HistoryMenu(QWidget *parent = 0);
+    void setInitialActions(QList<QAction*> actions);
+
+protected:
+    bool prePopulated();
+    void postPopulated();
+
+private slots:
+    void activated(const QModelIndex &index);
+    void showHistoryDialog();
+
+private:
+    HistoryManager *m_history;
+    HistoryMenuModel *m_historyMenuModel;
+    QList<QAction*> m_initialActions;
+};
+
+
+// ----------------------------------------------------------------------------------------
+
+/**
+ * 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:
+    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;
+};
+
+
+// ------------------------------------------------------------------------------------------
+
+#include "ui_history.h"
+
+class HistoryDialog : public QDialog, public Ui_HistoryDialog
+{
+    Q_OBJECT
+
+signals:
+    void openUrl(const KUrl &url);
+
+public:
+    HistoryDialog(QWidget *parent = 0, HistoryManager *history = 0);
+
+private slots:
+    void customContextMenuRequested(const QPoint &pos);
+    void open();
+    void copy();
+
+};
+
+#endif // HISTORY_H
+