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/*****************************************************************************
*
* grail - Gesture Recognition And Instantiation Library
*
* Copyright (C) 2012 Canonical Ltd.
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
****************************************************************************/
#ifndef GRAIL_ATOMIC_RECOGNIZER_H_
#define GRAIL_ATOMIC_RECOGNIZER_H_
#include "recognizer.h"
namespace oif {
namespace grail {
class AtomicRecognizer : public Recognizer {
public:
AtomicRecognizer(UGHandle* handle, const UFDevice device, UFWindowId window);
virtual bool atomic() const {return true;}
virtual void ProcessFrameEvent(const UFEvent event);
virtual void UpdateTime(uint64_t time);
private:
void HandleNewTouchesForAcceptedGesture(const SharedGesture& gesture);
void HandleNewTouchesForUnacceptedGesture(const SharedGesture& gesture);
void ProcessTouches(const UFEvent event);
void MatchSubscriptionsForNewTouches();
void MatchGestures();
void FindGesturesToAccept(uint64_t event_time);
virtual uint64_t NextTimeout();
std::map<UFTouchId, std::weak_ptr<Touch>> all_touches_;
/* Touches that have begun but not yet been matched against subscriptions
(for the creation of new gestures) or used to update existing gestures. */
TouchMap new_touches_;
};
} // namespace grail
} // namespace oif
#endif // GRAIL_ATOMIC_RECOGNIZER_H_
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