Mir
scene_element.h
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1 /*
2  * Copyright © 2014 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_COMPOSITOR_SCENE_ELEMENT_H_
20 #define MIR_COMPOSITOR_SCENE_ELEMENT_H_
21 
22 #include <memory>
23 
24 namespace mir
25 {
26 namespace graphics
27 {
28 class Renderable;
29 }
30 namespace compositor
31 {
32 
34 {
35 public:
36  virtual ~SceneElement() = default;
37 
38  virtual std::shared_ptr<graphics::Renderable> renderable() const = 0;
39  virtual void rendered() = 0;
40  virtual void occluded() = 0;
41 
42  // Query whether the SceneElement represents a window-surface, which at the discretion of the compositor
43  // may be eligible for window decoration.
44  virtual bool is_a_surface() const = 0;
45 
46 protected:
47  SceneElement() = default;
48  SceneElement(SceneElement const&) = delete;
49  SceneElement& operator=(SceneElement const&) = delete;
50 };
51 
52 }
53 }
54 
55 #endif // MIR_COMPOSITOR_SCENE_ELEMENT_H_
All things Mir.
Definition: buffer_stream.h:37
virtual std::shared_ptr< graphics::Renderable > renderable() const =0
SceneElement & operator=(SceneElement const &)=delete
virtual ~SceneElement()=default
virtual bool is_a_surface() const =0
Definition: scene_element.h:33

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