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powermanagement.h
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1/*
2 Copyright 2006-2007 Kevin Ottens <ervin@kde.org>
3 Copyright 2013 Lukas Tinkl <ltinkl@redhat.com>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) version 3, or any
9 later version accepted by the membership of KDE e.V. (or its
10 successor approved by the membership of KDE e.V.), which shall
11 act as a proxy defined in Section 6 of version 3 of the license.
12
13 This library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
17
18 You should have received a copy of the GNU Lesser General Public
19 License along with this library. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#ifndef SOLID_POWERMANAGEMENT_H
23#define SOLID_POWERMANAGEMENT_H
24
25#include <QtCore/QObject>
26#include <QtCore/QSet>
27
28#include <solid/solid_export.h>
29
30namespace Solid
31{
43 namespace PowerManagement
44 {
54 enum SleepState { StandbyState = 1, SuspendState = 2, HibernateState = 4,
56 HybridSuspendState = 8 };
57
65 SOLID_EXPORT bool appShouldConserveResources();
66
67
74 SOLID_EXPORT QSet<SleepState> supportedSleepStates();
75
83 SOLID_EXPORT void requestSleep(SleepState state, QObject *receiver, const char *member);
84
95 SOLID_EXPORT int beginSuppressingSleep(const QString &reason = QString());
96
103 SOLID_EXPORT bool stopSuppressingSleep(int cookie);
104
117 SOLID_EXPORT int beginSuppressingScreenPowerManagement(const QString &reason = QString());
118
129 SOLID_EXPORT bool stopSuppressingScreenPowerManagement(int cookie);
130
131 class SOLID_EXPORT Notifier : public QObject
132 {
133 Q_OBJECT
134 Q_SIGNALS:
140 void appShouldConserveResourcesChanged(bool newState);
141
148 void resumingFromSuspend();
149
150 protected:
151 Notifier();
152 };
153
154 SOLID_EXPORT Notifier *notifier();
155 }
156}
157
158#endif
QObject
Solid::PowerManagement::Notifier
Definition: powermanagement.h:132
Solid::PowerManagement::Notifier::appShouldConserveResourcesChanged
void appShouldConserveResourcesChanged(bool newState)
This signal is emitted when the AC adapter is plugged or unplugged.
Solid::PowerManagement::Notifier::resumingFromSuspend
void resumingFromSuspend()
This signal is emitted whenever the system is resuming from suspend.
Solid::PowerManagement::appShouldConserveResources
SOLID_EXPORT bool appShouldConserveResources()
Retrieves a high level indication of how applications should behave according to the power management...
Definition: powermanagement.cpp:78
Solid::PowerManagement::stopSuppressingScreenPowerManagement
SOLID_EXPORT bool stopSuppressingScreenPowerManagement(int cookie)
Tell the power management that a particular screen power management suppression is no longer needed.
Definition: powermanagement.cpp:168
Solid::PowerManagement::beginSuppressingSleep
SOLID_EXPORT int beginSuppressingSleep(const QString &reason=QString())
Tell the power management subsystem to suppress automatic system sleep until further notice.
Definition: powermanagement.cpp:109
Solid::PowerManagement::SleepState
SleepState
This enum type defines the different suspend methods.
Definition: powermanagement.h:54
Solid::PowerManagement::HibernateState
@ HibernateState
Definition: powermanagement.h:54
Solid::PowerManagement::HybridSuspendState
@ HybridSuspendState
Definition: powermanagement.h:56
Solid::PowerManagement::SuspendState
@ SuspendState
Definition: powermanagement.h:54
Solid::PowerManagement::StandbyState
@ StandbyState
Definition: powermanagement.h:54
Solid::PowerManagement::requestSleep
SOLID_EXPORT void requestSleep(SleepState state, QObject *receiver, const char *member)
Requests that the system go to sleep.
Definition: powermanagement.cpp:88
Solid::PowerManagement::beginSuppressingScreenPowerManagement
SOLID_EXPORT int beginSuppressingScreenPowerManagement(const QString &reason=QString())
Tell the power management subsystem to suppress automatic screen power management until further notic...
Definition: powermanagement.cpp:137
Solid::PowerManagement::stopSuppressingSleep
SOLID_EXPORT bool stopSuppressingSleep(int cookie)
Tell the power management that a particular sleep suppression is no longer needed.
Definition: powermanagement.cpp:127
Solid::PowerManagement::notifier
SOLID_EXPORT Notifier * notifier()
Definition: powermanagement.cpp:189
Solid::PowerManagement::supportedSleepStates
SOLID_EXPORT QSet< SleepState > supportedSleepStates()
Retrieves the set of suspend methods supported by the system.
Definition: powermanagement.cpp:83
Solid
Definition: acadapter.h:29
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