various: moved time from viewer UI to viewer node

app/widget/timetarget/timetarget.cpp

@@ -28,16 +28,23 @@ TimeTargetObject::TimeTargetObject() :
 {
 }
 
-Node *TimeTargetObject::GetTimeTarget() const
+ViewerOutput *TimeTargetObject::GetTimeTarget() const
 {
   return time_target_;
 }
 
-void TimeTargetObject::SetTimeTarget(Node *target)
+void TimeTargetObject::SetTimeTarget(ViewerOutput *target)
 {
-  time_target_ = target;
+  if (time_target_) {
+    TimeTargetDisconnectEvent(time_target_);
+  }
 
+  time_target_ = target;
   TimeTargetChangedEvent(time_target_);
+
+  if (time_target_) {
+    TimeTargetConnectEvent(time_target_);
+  }
 }
 
 void TimeTargetObject::SetPathIndex(int index)

app/widget/timetarget/timetarget.h

@@ -21,7 +21,7 @@
 #ifndef TIMETARGETOBJECT_H
 #define TIMETARGETOBJECT_H
 
-#include "node/node.h"
+#include "node/output/viewer/viewer.h"
 
 namespace olive {
 
@@ -30,8 +30,8 @@ class TimeTargetObject
 public:
   TimeTargetObject();
 
-  Node* GetTimeTarget() const;
-  void SetTimeTarget(Node* target);
+  ViewerOutput* GetTimeTarget() const;
+  void SetTimeTarget(ViewerOutput* target);
 
   void SetPathIndex(int index);
 
@@ -41,10 +41,12 @@ public:
   //int GetNumberOfPathAdjustments(Node* from, NodeParam::Type direction) const;
 
 protected:
-  virtual void TimeTargetChangedEvent(Node* ){}
+  virtual void TimeTargetDisconnectEvent(ViewerOutput *){}
+  virtual void TimeTargetChangedEvent(ViewerOutput *){}
+  virtual void TimeTargetConnectEvent(ViewerOutput *){}
 
 private:
-  Node* time_target_;
+  ViewerOutput* time_target_;
 
   int path_index_;