Mir
touchspot_controller.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: Robert Carr <robert.carr@canonical.com>
17  */
18 
19 #ifndef MIR_INPUT_TOUCHSPOT_CONTROLLER_H_
20 #define MIR_INPUT_TOUCHSPOT_CONTROLLER_H_
21 
23 
24 #include <memory>
25 #include <mutex>
26 
27 namespace mir
28 {
29 namespace graphics
30 {
31 class GraphicBufferAllocator;
32 class Buffer;
33 class Renderable;
34 }
35 namespace input
36 {
37 class Scene;
38 class TouchspotRenderable;
39 
44 {
45 public:
46  TouchspotController(std::shared_ptr<graphics::GraphicBufferAllocator> const& allocator,
47  std::shared_ptr<input::Scene> const& scene);
48 
49  virtual ~TouchspotController() = default;
50 
51  void enable() override;
52  void disable() override;
53 
54  void visualize_touches(std::vector<Spot> const& touches) override;
55 
56 protected:
58  TouchspotController& operator=(TouchspotController const&) = delete;
59 
60 private:
61  std::shared_ptr<graphics::Buffer> touchspot_buffer;
62  std::shared_ptr<Scene> scene;
63 
64  std::mutex guard;
65 
66  bool enabled;
67 
68  unsigned int renderables_in_use;
69  std::vector<std::shared_ptr<TouchspotRenderable>> touchspot_renderables;
70 };
71 
72 }
73 }
74 
75 #endif // MIR_INPUT_TOUCHSPOT_CONTROLLER_H_
An interface for listening to a low level stream of touches, in order to provide. ...
Definition: touch_visualizer.h:33
All things Mir.
Definition: atomic_callback.h:25
Receives touchspot events out of the input stack and manages appearance of touchspot renderables for ...
Definition: touchspot_controller.h:43

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