pooler now accepts channels

done channels used to clean up pooler if GUI goes down

InitPooler() added to Remote type, useful for reinitiating the Pooler.
For this reason Pooler now defined as singleton type.

remote.go

@@ -35,7 +35,7 @@ func (r *Remote) Login() error {
 	if err != nil {
 		return err
 	}
-	r.pooler = newPooler(r.Kind)
+	r.InitPooler()
 	return nil
 }
 
@@ -50,6 +50,11 @@ func (r *Remote) Logout() error {
 	return nil
 }
 
+// InitPooler initiates the Pooler
+func (r *Remote) InitPooler() {
+	r.pooler = newPooler(r.Kind)
+}
+
 // Type returns the type of Voicemeeter (basic, banana, potato)
 func (r *Remote) Type() string {
 	val, err := getVMType()
@@ -69,20 +74,21 @@ func (r *Remote) Version() string {
 }
 
 // Pdirty returns true iff a parameter value has changed
-func (r *Remote) Pdirty() bool {
-	return pdirty()
+func (r *Remote) Pdirty() (bool, error) {
+	pdirty, err := pdirty()
+	return pdirty, err
 }
 
 // Mdirty returns true iff a macrobutton value has changed
-func (r *Remote) Mdirty() bool {
-	return mdirty()
+func (r *Remote) Mdirty() (bool, error) {
+	mdirty, err := mdirty()
+	return mdirty, err
 }
 
 // Sync is a helper method that waits for dirty parameters to clear
 func (r *Remote) Sync() {
 	time.Sleep(time.Duration(vmdelay) * time.Millisecond)
-	for r.Pdirty() || r.Mdirty() {
-	}
+	clear()
 }
 
 // GetFloat gets a float parameter value
@@ -131,13 +137,8 @@ func (r *Remote) SendText(script string) error {
 }
 
 // Register forwards the register method to Pooler
-func (r *Remote) Register(o observer) {
-	r.pooler.Register(o)
-}
-
-// Deregister forwards the deregister method to Pooler
-func (r *Remote) Deregister(o observer) {
-	r.pooler.Deregister(o)
+func (r *Remote) Register(channel chan string) {
+	r.pooler.Register(channel)
 }
 
 // EventAdd adds events to the Pooler
@@ -346,7 +347,7 @@ func init() {
 // NewRemote returns a Remote type for a kind
 // this is the interface entry point
 func NewRemote(kindId string, delay int) (*Remote, error) {
-	_kind, ok := kindMap[kindId]
+	kind, ok := kindMap[kindId]
 	if !ok {
 		err := fmt.Errorf("unknown Voicemeeter kind '%s'", kindId)
 		return nil, err
@@ -359,13 +360,13 @@ func NewRemote(kindId string, delay int) (*Remote, error) {
 	vmdelay = delay
 
 	director := director{}
-	switch _kind.Name {
+	switch kind.Name {
 	case "basic":
-		director.SetBuilder(&basicBuilder{genericBuilder{_kind, Remote{}}})
+		director.SetBuilder(&basicBuilder{genericBuilder{kind, Remote{}}})
 	case "banana":
-		director.SetBuilder(&bananaBuilder{genericBuilder{_kind, Remote{}}})
+		director.SetBuilder(&bananaBuilder{genericBuilder{kind, Remote{}}})
 	case "potato":
-		director.SetBuilder(&potatoBuilder{genericBuilder{_kind, Remote{}}})
+		director.SetBuilder(&potatoBuilder{genericBuilder{kind, Remote{}}})
 	}
 	director.Construct()
 	return director.Get(), nil