This class is used to be sensitive to any TTObject notifications and report them using a function with baton and value We will subclass TTObject in order to gain some functionality – like observers and notifications. More...

#include <TTCallback.h>

Inheritance diagram for TTCallback:

Collaboration diagram for TTCallback:

Public Member Functions
TTErr	notify (const TTValue &anInputValue, TTValue &anUnusedOutputValue)
	Message called because we are registered as an observer to some other object, and then calls our external function. More...

TTPtr	getBaton ()
	Usefull to easily free the baton in case the pointer is a TTValue of something which need to be freed corectly. More...

Public Member Functions inherited from TTObjectBase
virtual	~TTObjectBase ()
	Destructor.

TTUInt16	getReferenceCount ()
	Query an object to get its current reference count. More...

TTUInt32	getObserverCount () const
	Query an object to get the number of observers. More...

TTErr	registerAttribute (const TTSymbol name, const TTDataType type, void *address)
	Register an attribute. More...

TTErr	extendAttribute (const TTSymbol name, const TTObjectBasePtr extendedObject, const TTSymbol extendedName)
	Extend the attribute of an existing TTObjectBase to this TTObjectBase (using another attribute name) More...

TTErr	removeAttribute (const TTSymbol name)
	Remove an attribute. More...

TTErr	findAttribute (const TTSymbol name, TTAttribute **attr)
	Find an attribute. More...

TTErr	setAttributeValue (const TTSymbol name, TTValue &value)
	Set an attribute value for an object. More...

template<class T >
TTErr	set (const TTSymbol aName, T aValue)
	Set an attribute value for an object This is the same as calling setAttributeValue(). More...

TTErr	getAttributeValue (const TTSymbol name, TTValue &value)
	Get an attribute value for an object. More...

template<class T >
TTErr	get (const TTSymbol aName, T &aReturnedValue)
	Get an attribute value for an object This is the same as calling getAttributeValue(). More...

TTSymbol	getAttributeType (const TTSymbol name)
	Return the type of an attribute as a symbol. More...

TTErr	getAttributeGetterFlags (const TTSymbol name, TTAttributeFlags &value)
	Get the getterFlags of an attribute. More...

TTErr	setAttributeGetterFlags (const TTSymbol name, TTAttributeFlags &value)
	Set the getterFlags of an attribute. More...

TTErr	getAttributeSetterFlags (const TTSymbol name, TTAttributeFlags &value)
	Get the setterFlags of an attribute. More...

TTErr	setAttributeSetterFlags (const TTSymbol name, TTAttributeFlags &value)
	Set the setterFlags of an attribute. More...

TTErr	registerAttributeProperty (const TTSymbol attributeName, const TTSymbol propertyName, const TTValue &initialValue, TTGetterMethod getter, TTSetterMethod setter)
	Register an attribute property. More...

TTErr	registerMessageProperty (const TTSymbol messageName, const TTSymbol propertyName, const TTValue &initialValue, TTGetterMethod getter, TTSetterMethod setter)
	Register an message property. More...

TTErr	getAttribute (const TTSymbol name, TTAttributePtr *attributeObject)
	Search for and locate an attribute. More...

TTErr	getMessage (const TTSymbol name, TTMessagePtr *messageObject)
	Search for and locate a message. More...

void	getAttributeNames (TTValue &attributeNameList)
	Return a list of names of the available attributes. More...

void	getMessageNames (TTValue &messageNameList)
	Return a list of names of the available messages. More...

TTSymbol	getName () const
	Return the name of this class. More...

TTErr	registerMessage (const TTSymbol name, TTMethod method)
	Register a message with this object. More...

TTErr	findMessage (const TTSymbol name, TTMessage **message)
	Find a message registered with this object. More...

TTErr	removeMessage (const TTSymbol name)
	Remove a message. More...

TTErr	sendMessage (const TTSymbol name)
	TODO: Document this function. More...

TTErr	registerObserverForMessage (const TTObject &observingObject, const TTSymbol messageName)
	Register an observer for a message. More...

TTErr	registerObserverForAttribute (const TTObject &observingObject, const TTSymbol attributeName)
	Register an observer for an attribute. More...

TTErr	registerObserverForNotifications (const TTObject &observingObject)
	Register an observer. More...

TTErr	unregisterObserverForMessage (const TTObject &observingObject, const TTSymbol messageName)
	Unregister an observer for a message. More...

TTErr	unregisterObserverForAttribute (const TTObject &observingObject, const TTSymbol attributeName)
	Unregister an observer for an attribute. More...

TTErr	unregisterObserverForNotifications (const TTObject &observingObject)
	Unregister an observer for notifications. More...

TTErr	sendNotification (const TTSymbol name, const TTValue &arguments)
	Send a notification. More...

TTErr	logMessage (TTImmutableCString fmtstring,...)
	Log messages scoped to this object instance. More...

TTErr	logWarning (TTImmutableCString fmtstring,...)
	Log warnings scoped to this object instance. More...

TTErr	logError (TTImmutableCString fmtstring,...)
	Log errors scoped to this object instance. More...

TTErr	logDebug (TTImmutableCString fmtstring,...)
	Log messages (scoped to this object instance) to output only if the basic debugging flag is enabled in the environment. More...

TTErr	lock ()
	Lock the object in order to ensure thread-safe processing. More...

TTErr	unlock ()
	Unlock the object when thread-safe processing is no longer required. More...

TTBoolean	isLocked ()
	Query if the object currently is locked for thread-safe processing. More...

TTBoolean	waitForLock ()
	If the object is locked (e.g. More...

Protected Attributes
TTFunctionWithBatonAndValue	mFunction
	Function called when the notify message is engaged.

TTValue	mBaton
	User data to be passed back when the callback is triggered.

TTSymbol	mNotification
	the notification the callback is sensitive to

Protected Attributes inherited from TTObjectBase
TTList	observers
	List of all objects watching this object for life-cycle and other changes.

Additional Inherited Members
Public Attributes inherited from TTObjectBase
TTBoolean	valid
	If the object isn't completely built, or is in the process of freeing, this will be false.

TTBoolean	track
	enable the print of a log message to ease the track of reference counting mechanism on an instance More...

Protected Member Functions inherited from TTObjectBase
	TTObjectBase (const TTValue arguments)
	Constructor. More...

Detailed Description

This class is used to be sensitive to any TTObject notifications and report them using a function with baton and value We will subclass TTObject in order to gain some functionality – like observers and notifications.

Definition at line 28 of file TTCallback.h.

Member Function Documentation

TTPtr TTCallback::getBaton ( )

inline

Usefull to easily free the baton in case the pointer is a TTValue of something which need to be freed corectly.

Returns: TTErr error code if the method fails to execute, else kTTErrNone.

Definition at line 69 of file TTCallback.h.

TTErr TTCallback::notify	(	const TTValue &	anInputValue,
		TTValue &	anUnusedOutputValue
	)

Message called because we are registered as an observer to some other object, and then calls our external function.

Parameters

anInputValue	TODO: Add info
anUnusedOutputValue	TODO: Add info

Returns: TTErr error code if the method fails to execute, else kTTErrNone.

Definition at line 69 of file TTCallback.cpp.

References kTTErrGeneric, mBaton, and mFunction.

Referenced by TTAttribute::callbackGetter(), and TTAttribute::callbackSetter().

The documentation for this class was generated from the following files:

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation