InputManager.h

// This file is a part of the OpenSurgSim project.
// Copyright 2013, SimQuest Solutions Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SURGSIM_INPUT_INPUTMANAGER_H
#define SURGSIM_INPUT_INPUTMANAGER_H

#include <boost/thread/mutex.hpp>
#include <memory>
#include <unordered_map>
#include <vector>

#include "SurgSim/Framework/ComponentManager.h"

namespace SurgSim
{
namespace Input
{
class DeviceInterface;
class InputComponent;
class OutputComponent;

class InputManager : public SurgSim::Framework::ComponentManager
{
public:
    InputManager();
    virtual ~InputManager();

    friend class InputManagerTest;

    bool addDevice(std::shared_ptr<SurgSim::Input::DeviceInterface> device);

    bool removeDevice(std::shared_ptr<SurgSim::Input::DeviceInterface> device);

    int getType() const override;

private:
    bool doInitialize() override;
    bool doStartUp() override;
    bool doUpdate(double dt) override;
    void doBeforeStop() override;

    bool executeAdditions(const std::shared_ptr<SurgSim::Framework::Component>& component) override;

    bool executeRemovals(const std::shared_ptr<SurgSim::Framework::Component>& component) override;


    bool addInputComponent(const std::shared_ptr<InputComponent>& input);
    bool addOutputComponent(const std::shared_ptr<OutputComponent>& output);

    bool tryFindDevice(const std::string& name, DeviceInterface** device);

    std::vector<std::shared_ptr<InputComponent>> m_inputs;
    std::vector<std::shared_ptr<OutputComponent>> m_outputs;

    std::unordered_map<std::string, std::shared_ptr<SurgSim::Input::DeviceInterface>> m_devices;

    boost::mutex m_mutex;
};

}; //namespace Input
}; //namespace SurgSim
#endif