Mir
display_changer.h
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1 /*
2  * Copyright © 2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 3,
6  * as published by the Free Software Foundation.
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 General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_DISPLAY_CHANGER_H_
20 #define MIR_DISPLAY_CHANGER_H_
21 
22 #include <memory>
23 
24 namespace mir
25 {
26 namespace graphics
27 {
28 class DisplayConfiguration;
29 }
30 
32 {
33 public:
34  virtual ~DisplayChanger() = default;
35 
36  enum SystemStateHandling : bool { RetainSystemState, PauseResumeSystem };
37 
38  virtual void configure_for_hardware_change(
39  std::shared_ptr<graphics::DisplayConfiguration> const& conf,
40  SystemStateHandling pause_resume_system) = 0;
41 
42  virtual void pause_display_config_processing() = 0;
43  virtual void resume_display_config_processing() = 0;
44 
45 protected:
46  DisplayChanger() = default;
47  DisplayChanger(DisplayChanger const&) = delete;
48  DisplayChanger& operator=(DisplayChanger const&) = delete;
49 };
50 
51 }
52 
53 #endif /* MIR_DISPLAY_CHANGER_H_ */
All things Mir.
Definition: atomic_callback.h:25
Definition: display_changer.h:31
SystemStateHandling
Definition: display_changer.h:36

Copyright © 2012-2015 Canonical Ltd.
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