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// vim: shiftwidth=4 tabstop=4 noexpandtab
package main
import (
"time"
)
type Camera struct {
statemachine Machine
}
func NewCamera() Camera {
return Camera{
statemachine: Machine{
name: "camera",
initial: "idle",
states: StateMap{
"idle": MachineState{
on: TransitionMap{
"take_single_picture": MachineTransition{
to: "single_picture",
},
},
},
"single_picture": MachineState{
on: TransitionMap{
"single_picture_taken": MachineTransition{
to: "idle",
},
},
},
},
api: make(chan string),
state_listeners: make([]*(chan string), 0),
hook: runCameraHooks,
},
}
}
func runCameraHooks(last string, next string) {
if last == "idle" && next == "single_picture" {
// TODO implement launch of python subprocess here
go func() {
time.Sleep(1 * time.Second)
camera.statemachine.SendEvent("single_picture_taken")
}()
}
}
func (cam *Camera) run() {
cam.statemachine.Run()
}
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