// Copyright 2016 Hajime Hoshi
//
// 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.

// +build ios darwin,arm darwin,arm64

package mobile

// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework Foundation -framework UIKit
//
// #import <UIKit/UIKit.h>
import "C"

func (e *eventDispatcher) updateTouchesOnIOSImpl(phase int, ptr int, x, y int) {
	switch phase {
	case C.UITouchPhaseBegan, C.UITouchPhaseMoved, C.UITouchPhaseStationary:
		e.touches[ptr] = position{x, y}
		e.updateTouches()
	case C.UITouchPhaseEnded, C.UITouchPhaseCancelled:
		delete(e.touches, ptr)
		e.updateTouches()
	default:
		panic("not reach")
	}
}