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>
22// unity-api
23#include <unity/shell/application/Mir.h>
25class WindowStateStorage: public QObject
27 Q_OBJECT
28public:
29 enum WindowState {
30 WindowStateNormal = 1 << 0,
31 WindowStateMaximized = 1 << 1,
32 WindowStateMinimized = 1 << 2,
33 WindowStateFullscreen = 1 << 3,
34 WindowStateMaximizedLeft = 1 << 4,
35 WindowStateMaximizedRight = 1 << 5,
36 WindowStateMaximizedHorizontally = 1 << 6,
37 WindowStateMaximizedVertically = 1 << 7,
38 WindowStateMaximizedTopLeft = 1 << 8,
39 WindowStateMaximizedTopRight = 1 << 9,
40 WindowStateMaximizedBottomLeft = 1 << 10,
41 WindowStateMaximizedBottomRight = 1 << 11,
42 WindowStateRestored = 1 << 12
43 };
44 Q_ENUM(WindowState)
45 Q_DECLARE_FLAGS(WindowStates, WindowState)
46 Q_FLAG(WindowStates)
48 WindowStateStorage(QObject *parent = nullptr);
49 virtual ~WindowStateStorage();
51 Q_INVOKABLE void saveState(const QString &windowId, WindowState state);
52 Q_INVOKABLE WindowState getState(const QString &windowId, WindowState defaultValue) const;
54 Q_INVOKABLE void saveGeometry(const QString &windowId, const QRect &rect);
55 Q_INVOKABLE QRect getGeometry(const QString &windowId, const QRect &defaultValue) const;
57 Q_INVOKABLE void saveStage(const QString &appId, int stage);
58 Q_INVOKABLE int getStage(const QString &appId, int defaultValue) const;
60 Q_INVOKABLE Mir::State toMirState(WindowState state) const;
62private:
63 void initdb();
65 void saveValue(const QString &queryString);
66 QSqlQuery getValue(const QString &queryString) const;
68 static void executeAsyncQuery(const QString &queryString);
69 static QMutex s_mutex;
71 // NB: This is accessed from threads. Make sure to mutex it.
72 QSqlDatabase m_db;
74 QList<QFuture<void>> m_asyncQueries;
75};