Lomiri
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orientationlock.cpp
1/*
2 * Copyright (C) 2014 Canonical Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * 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 */
16
17#include "orientationlock.h"
18
19#include <QDBusConnection>
20#include <QDBusInterface>
21
22OrientationLock::OrientationLock(QObject *parent)
23 : QObject(parent)
24 , m_enabled(false)
25 , m_savedOrientation(Qt::PortraitOrientation)
26{
27 m_systemSettings = g_settings_new("com.lomiri.touch.system");
28 g_signal_connect(m_systemSettings, "changed::rotation-lock",
29 G_CALLBACK(OrientationLock::onEnabledChangedProxy), this);
30 m_enabled = g_settings_get_boolean(m_systemSettings, "rotation-lock");
31}
32
33OrientationLock::~OrientationLock()
34{
35 g_signal_handlers_disconnect_by_data(m_systemSettings, this);
36 g_object_unref(m_systemSettings);
37}
38
39bool OrientationLock::enabled() const
40{
41 return m_enabled;
42}
43
44Qt::ScreenOrientation OrientationLock::savedOrientation() const
45{
46 return m_savedOrientation;
47}
48
49void OrientationLock::onEnabledChangedProxy(GSettings */*settings*/, const gchar */*key*/, gpointer data)
50{
51 OrientationLock* _this = static_cast<OrientationLock*>(data);
52 _this->onEnabledChanged();
53}
54
55void OrientationLock::onEnabledChanged()
56{
57 const bool enabled = g_settings_get_boolean(m_systemSettings, "rotation-lock");
58 if (m_enabled != enabled) {
59 m_enabled = enabled;
60 Q_EMIT enabledChanged();
61 }
62}
63
64void OrientationLock::setSavedOrientation(const Qt::ScreenOrientation orientation)
65{
66 if (orientation == m_savedOrientation) {
67 return;
68 }
69
70 m_savedOrientation = orientation;
71
72 //TODO - save value with dbus to persist over sessions
73 Q_EMIT savedOrientationChanged();
74}
The OrientationLock class exports orientation lock related properties to QML It has two properties: