git.iko.soy/unity8
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unity8/plugins/Utils/windowstatestorage.h
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1/*
2 * Copyright 2015-2016 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include <QObject>
18#include <QSqlDatabase>
19#include <QMutex>
20#include <QFuture>
22class WindowStateStorage: public QObject
24 Q_OBJECT
25 Q_ENUMS(WindowState)
26public:
27 enum WindowState {
28 WindowStateNormal = 1 << 0,
29 WindowStateMaximized = 1 << 1,
30 WindowStateMinimized = 1 << 2,
31 WindowStateFullscreen = 1 << 3,
32 WindowStateMaximizedLeft = 1 << 4,
33 WindowStateMaximizedRight = 1 << 5,
34 WindowStateMaximizedHorizontally = 1 << 6,
35 WindowStateMaximizedVertically = 1 << 7,
36 WindowStateMaximizedTopLeft = 1 << 8,
37 WindowStateMaximizedTopRight = 1 << 9,
38 WindowStateMaximizedBottomLeft = 1 << 10,
39 WindowStateMaximizedBottomRight = 1 << 11,
40 WindowStateRestored = 1 << 12
41 };
42 Q_DECLARE_FLAGS(WindowStates, WindowState)
43#if (QT_VERSION >= QT_VERSION_CHECK(5, 5, 0))
44 Q_FLAG(WindowStates)
45#endif
47 WindowStateStorage(QObject *parent = 0);
48 virtual ~WindowStateStorage();
50 Q_INVOKABLE void saveState(const QString &windowId, WindowState state);
51 Q_INVOKABLE WindowState getState(const QString &windowId, WindowState defaultValue) const;
53 Q_INVOKABLE void saveGeometry(const QString &windowId, const QRect &rect);
54 Q_INVOKABLE QRect getGeometry(const QString &windowId, const QRect &defaultValue) const;
56 Q_INVOKABLE void saveStage(const QString &appId, int stage);
57 Q_INVOKABLE int getStage(const QString &appId, int defaultValue) const;
59private:
60 void initdb();
62 void saveValue(const QString &queryString);
63 QSqlQuery getValue(const QString &queryString) const;
65 static void executeAsyncQuery(const QString &queryString);
66 static QMutex s_mutex;
68 // NB: This is accessed from threads. Make sure to mutex it.
69 QSqlDatabase m_db;
71 QList< QFuture<void> > m_asyncQueries;
72};