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Viewing changes to src/server/input/touchspot_controller.h

  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-10-10 14:01:26 UTC
  • mto: This revision was merged to the branch mainline in revision 84.
  • Revision ID: package-import@ubuntu.com-20141010140126-n1czko8na1kuz4ll
Tags: upstream-0.8.0+14.10.20141010
Import upstream version 0.8.0+14.10.20141010

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src/server/input/touchspot_controller.h
 
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/*
 
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 * Copyright © 2014 Canonical Ltd.
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify it
 
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 * under the terms of the GNU General Public License version 3,
 
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 * as published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 *
 
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 * Authored by: Robert Carr <robert.carr@canonical.com>
 
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 */
 
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#ifndef MIR_INPUT_TOUCHSPOT_CONTROLLER_H_
 
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#define MIR_INPUT_TOUCHSPOT_CONTROLLER_H_
 
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#include "mir/input/touch_visualizer.h"
 
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#include <memory>
 
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#include <mutex>
 
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namespace mir
 
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{
 
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namespace graphics
 
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{
 
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class GraphicBufferAllocator;
 
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class Buffer;
 
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class BufferWriter;
 
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class Renderable;
 
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}
 
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namespace input
 
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{
 
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class Scene;
 
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class TouchspotRenderable;
 
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/// Receives touchspot events out of the input stack and manages appearance
 
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/// of touchspot renderables for visualization. Touchspot visualization is 
 
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/// disabled by default and must be enabled through a call to ::enable.
 
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class TouchspotController : public TouchVisualizer
 
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{
 
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public:
 
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    TouchspotController(std::shared_ptr<graphics::GraphicBufferAllocator> const& allocator,
 
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        std::shared_ptr<graphics::BufferWriter> const& writer,
 
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        std::shared_ptr<input::Scene> const& scene);
 
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    virtual ~TouchspotController() = default;
 
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    void enable() override;
 
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    void disable() override;
 
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    void visualize_touches(std::vector<Spot> const& touches) override;
 
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protected:
 
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    TouchspotController(TouchspotController const&) = delete;
 
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    TouchspotController& operator=(TouchspotController const&) = delete;
 
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private:
 
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    std::shared_ptr<graphics::Buffer> touchspot_buffer;
 
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    std::shared_ptr<Scene> scene;
 
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    std::mutex guard;
 
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    bool enabled;
 
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    unsigned int renderables_in_use;
 
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    std::vector<std::shared_ptr<TouchspotRenderable>> touchspot_renderables;
 
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};
 
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}
 
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}
 
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#endif // MIR_INPUT_TOUCHSPOT_CONTROLLER_H_