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Diffstat (limited to 'examples/webenginewidgets/demobrowser/history.h')
| -rw-r--r-- | examples/webenginewidgets/demobrowser/history.h | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/examples/webenginewidgets/demobrowser/history.h b/examples/webenginewidgets/demobrowser/history.h deleted file mode 100644 index f14558d39..000000000 --- a/examples/webenginewidgets/demobrowser/history.h +++ /dev/null @@ -1,360 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef HISTORY_H -#define HISTORY_H - -#include "modelmenu.h" - -#include <QtCore/QDateTime> -#include <QtCore/QHash> -#include <QtCore/QObject> -#include <QtCore/QTimer> -#include <QtCore/QUrl> - -#include <QtCore/QSortFilterProxyModel> - -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 QObject -{ - 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 removeHistoryEntry(const QString &url); - - void updateHistoryItem(const QUrl &url, const QString &title); - - int historyLimit() const; - void setHistoryLimit(int limit); - - QList<HistoryItem>& history(); - 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(bool removeExpiredEntriesDirectly = false); - -protected: - void addHistoryItem(const HistoryItem &item); - void removeHistoryItem(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(const HistoryItem &item); - void entryRemoved(const HistoryItem &item); - 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); } - - 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()); - -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 QUrl &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); - void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, - const QVector<int> roles); -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 QUrl &url); - -public: - HistoryDialog(QWidget *parent = 0, HistoryManager *history = 0); - -private slots: - void customContextMenuRequested(const QPoint &pos); - void open(); - void copy(); - -}; - -#endif // HISTORY_H |