Dooble
dooble_history.h
1 /*
2 ** Copyright (c) 2008 - present, Alexis Megas.
3 ** All rights reserved.
4 **
5 ** Redistribution and use in source and binary forms, with or without
6 ** modification, are permitted provided that the following conditions
7 ** are met:
8 ** 1. Redistributions of source code must retain the above copyright
9 ** notice, this list of conditions and the following disclaimer.
10 ** 2. Redistributions in binary form must reproduce the above copyright
11 ** notice, this list of conditions and the following disclaimer in the
12 ** documentation and/or other materials provided with the distribution.
13 ** 3. The name of the author may not be used to endorse or promote products
14 ** derived from Dooble without specific prior written permission.
15 **
16 ** DOOBLE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 ** DOOBLE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 
28 #ifndef dooble_history_h
29 #define dooble_history_h
30 
31 #include <QAtomicInteger>
32 #include <QFuture>
33 #include <QReadWriteLock>
34 #include <QTimer>
35 #include <QWebEngineHistoryItem>
36 
37 class QStandardItemModel;
38 
39 class dooble_history: public QObject
40 {
41  Q_OBJECT
42 
43  public:
44  enum HistoryItem
45  {
46  FAVICON = 0,
47  FAVORITE,
48  LAST_VISITED,
49  NUMBER_OF_VISITS,
50  TITLE,
51  URL,
52  URL_DIGEST
53  };
54 
55  dooble_history(void);
56  ~dooble_history();
57  QHash<QUrl, QHash<dooble_history::HistoryItem, QVariant> > history(void) const;
58  QList<QPair<QIcon, QString> > urls(void) const;
59  QStandardItemModel *favorites_model(void) const;
60  bool is_favorite(const QUrl &url) const;
61  void abort(void);
62  void purge_favorites(void);
63  void purge_history(void);
64  void remove_favorite(const QUrl &url);
65  void remove_item(const QUrl &url);
66  void save_favicon(const QIcon &icon, const QUrl &url);
67  void save_favorite(const QUrl &url, bool state);
68  void save_item(const QIcon &icon,
69  const QWebEngineHistoryItem &item,
70  bool force);
71 
72  private:
73  QAtomicInteger<short> m_interrupt;
74  QFuture<void> m_purge_future;
75  QHash<QUrl, QHash<HistoryItem, QVariant> > m_history;
76  QStandardItemModel *m_favorites_model;
77  QTimer m_purge_timer;
78  mutable QReadWriteLock m_history_mutex;
79  static QAtomicInteger<quintptr> s_db_id;
80  void purge(const QByteArray &authentication_key,
81  const QByteArray &encryption_key);
82  void update_favorite(const QHash<HistoryItem, QVariant> &hash);
83 
84  private slots:
85  void slot_populate(void);
86  void slot_purge_timer_timeout(void);
87 
88  signals:
89  void icon_updated(const QIcon &icon, const QUrl &url);
90  void item_updated(const QIcon &icon, const QWebEngineHistoryItem &item);
91  void new_item(const QIcon &icon, const QWebEngineHistoryItem &item);
92  void populated(void);
93 };
94 
95 #endif
Definition: dooble_history.h:39