MediaConnection: Hide connection callbacks

* At this point we want to avoid the user calling the callbacks
in the form of BMediaConnection. Instead we force to use the
BMediaInput and BMediaOutput versions.

headers/private/media/experimental/MediaConnection.h

@@ -68,12 +68,11 @@ protected:
 										media_connection_kinds kinds);
 	virtual							~BMediaConnection();
 
+private:
 	// Those callbacks are shared between BMediaInput and BMediaOutput
 	virtual void					Connected(const media_format& format);
 	virtual void					Disconnected();
 
-private:
-
 			void					_ConnectionRegistered(BMediaClient* owner,
 										media_connection_id id);
 
@@ -122,6 +121,9 @@ protected:
 
 	virtual void					HandleBuffer(BBuffer* buffer);
 
+	virtual void					Connected(const media_format& format);
+	virtual void					Disconnected();
+
 private:
 	media_input						_MediaInput() const;
 
@@ -162,6 +164,7 @@ protected:
 	// you are doing.
 	virtual	status_t				SendBuffer(BBuffer* buffer);
 
+	virtual void					Connected(const media_format& format);
 	virtual void					Disconnected();
 
 private:

headers/private/media/experimental/SimpleMediaClient.h

@@ -122,6 +122,7 @@ protected:
 										media_connection_kinds kinds);
 	virtual							~BSimpleMediaConnection();
 
+			// TODO: move those to private and introduce protected methods
 			process_hook			fProcessHook;
 			notify_hook				fNotifyHook;
 			void*					fBufferCookie;

src/kits/media/experimental/MediaConnection.cpp

@@ -204,7 +204,20 @@ void
 BMediaInput::HandleBuffer(BBuffer* buffer)
 {
 	CALLED();
+}
 
+
+void
+BMediaInput::Connected(const media_format& format)
+{
+	BMediaConnection::Connected(format);
+}
+
+
+void
+BMediaInput::Disconnected()
+{
+	BMediaConnection::Disconnected();
 }
 
 
@@ -297,6 +310,13 @@ BMediaOutput::SendBuffer(BBuffer* buffer)
 }
 
 
+void
+BMediaOutput::Connected(const media_format& format)
+{
+	BMediaConnection::Connected(format);
+}
+
+
 void
 BMediaOutput::Disconnected()
 {

src/kits/media/experimental/SimpleMediaClient.cpp

@@ -195,7 +195,7 @@ BSimpleMediaInput::Disconnected()
 	if (fNotifyHook != NULL)
 		(*fNotifyHook)(this, BSimpleMediaConnection::B_INPUT_DISCONNECTED);
 
-	BMediaConnection::Disconnected();
+	BMediaInput::Disconnected();
 }
 
 
@@ -242,7 +242,7 @@ BSimpleMediaOutput::Connected(const media_format& format)
 	if (fNotifyHook != NULL)
 		(*fNotifyHook)(this, BSimpleMediaConnection::B_OUTPUT_CONNECTED);
 
-	BSimpleMediaConnection::Connected(format);
+	BMediaOutput::Connected(format);
 }
 
 
@@ -252,5 +252,5 @@ BSimpleMediaOutput::Disconnected()
 	if (fNotifyHook != NULL)
 		(*fNotifyHook)(this, BSimpleMediaConnection::B_OUTPUT_DISCONNECTED);
 
-	BSimpleMediaConnection::Disconnected();
+	BMediaOutput::Disconnected();
 }