git.iko.soy/unity8
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unity8/plugins/Utils/windowstatestorage.h
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1/*
2 * Copyright 2015 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,
29 WindowStateMaximized
30 };
32 WindowStateStorage(QObject *parent = 0);
33 virtual ~WindowStateStorage();
35 Q_INVOKABLE void saveState(const QString &windowId, WindowState state);
36 Q_INVOKABLE WindowState getState(const QString &windowId, WindowState defaultValue) const;
38 Q_INVOKABLE void saveGeometry(const QString &windowId, const QRect rect);
39 Q_INVOKABLE QRect getGeometry(const QString &windowId, const QRect defaultValue) const;
41 Q_INVOKABLE void saveStage(const QString &appId, int stage);
42 Q_INVOKABLE int getStage(const QString &appId) const;
44private:
45 void initdb();
47 void saveValue(const QString &queryString);
48 QSqlQuery getValue(const QString &queryString) const;
50 static void executeAsyncQuery(const QString &queryString);
51 static QMutex s_mutex;
53 // NB: This is accessed from threads. Make sure to mutex it.
54 QSqlDatabase m_db;
56 QList< QFuture<void> > m_asyncQueries;
57};