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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>
21// unity-api
22#include <unity/shell/application/Mir.h>
24class WindowStateStorage: public QObject
26 Q_OBJECT
27public:
28 enum WindowState {
29 WindowStateNormal = 1 << 0,
30 WindowStateMaximized = 1 << 1,
31 WindowStateMinimized = 1 << 2,
32 WindowStateFullscreen = 1 << 3,
33 WindowStateMaximizedLeft = 1 << 4,
34 WindowStateMaximizedRight = 1 << 5,
35 WindowStateMaximizedHorizontally = 1 << 6,
36 WindowStateMaximizedVertically = 1 << 7,
37 WindowStateMaximizedTopLeft = 1 << 8,
38 WindowStateMaximizedTopRight = 1 << 9,
39 WindowStateMaximizedBottomLeft = 1 << 10,
40 WindowStateMaximizedBottomRight = 1 << 11,
41 WindowStateRestored = 1 << 12
42 };
43 Q_ENUM(WindowState)
44 Q_DECLARE_FLAGS(WindowStates, WindowState)
45 Q_FLAG(WindowStates)
47 WindowStateStorage(const QString& dbName = nullptr, QObject *parent = nullptr);
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;
59 Q_INVOKABLE Mir::State toMirState(WindowState state) const;
61private:
62 void initdb();
64 void saveValue(const QString &queryString);
65 QSqlQuery getValue(const QString &queryString) const;
67 static QMutex s_mutex;
69 // NB: This is accessed from threads. Make sure to mutex it.
70 QSqlDatabase m_db;
71};