1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef POWERD_MEDIATOR_
#define POWERD_MEDIATOR_
#include <mir_toolkit/common.h>
#include <QString>
#include <memory>
#include <mutex>
class QDBusInterface;
/*
* A Proxy to powerd. Note this class is not thread-safe,
* synchronization should be done externally.
*/
class PowerdMediator
{
public:
PowerdMediator();
~PowerdMediator();
void set_dim_backlight();
void set_normal_backlight();
void turn_off_backlight();
void set_sys_state_for(MirPowerMode mode);
void change_backlight_values(int dim_brightness, int normal_brightness);
void enable_auto_brightness(bool flag);
bool auto_brightness_supported();
int min_brightness();
int max_brightness();
private:
void set_brightness(int brightness);
void release_sys_state();
void acquire_sys_state();
int dim_brightness;
int normal_brightness;
int current_brightness;
int min_brightness_;
int max_brightness_;
bool auto_brightness_supported_;
QString sys_state_cookie;
bool acquired_sys_state;
std::unique_ptr<QDBusInterface> powerd_interface;
};
#endif
|