GamepadRouter.h

/*
 * Copyright (C) 2014 Google 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 GAMEPADROUTER_H
#define GAMEPADROUTER_H

#include <set>
#include <vector>
#include "ControllerEvent.h"
#include "ControllerFactory.h"
#include "InputRouter.h"
#include "JoystickAxisScheme.h"
#include "KeyScheme.h"
#include "TriggerAxisScheme.h"

class GamepadRouter : public InputRouter {
public:
    class GamepadControllerFactory : public ControllerFactory {
    public:
        explicit GamepadControllerFactory(
                const KeyScheme& keyScheme,
                const JoystickAxisScheme& joystickAxisScheme,
                const TriggerAxisScheme& triggerAxisScheme
                );

        virtual VirtualController* createNewController(int deviceId) const override;

        virtual bool intersects(const ControllerFactory& otherFactory) const override;
        bool intersects(const GamepadControllerFactory& otherFactory) const;

        virtual bool handlesControllerEvent(const ControllerEvent* event) const override;

        static std::set<KeyCode> sValidKeyCodes;
        static std::set<JoystickAxisCode> sValidJoystickAxisCodes;
        static std::set<TriggerAxisCode> sValidTriggerAxisCodes;

    private:
        KeyScheme mKeyScheme;
        JoystickAxisScheme mJoystickAxisScheme;
        TriggerAxisScheme mTriggerAxisScheme;
    };

    bool addGamepadControllerFactory(const GamepadControllerFactory& factory);

    static GamepadRouter* getInstance();

private:
    GamepadRouter();

    // List of GamepadControllerFactories to route by.
    std::vector<GamepadControllerFactory> mGamepadControllerFactories;

    // Singleton instance of the GamepadRouter.
    static GamepadRouter* sInstance;
};

#endif // GAMEPADROUTER_H