OOJSPopulatorDefinition Class Reference

#include <OOJSPopulatorDefinition.h>

Inheritance diagram for OOJSPopulatorDefinition:

Collaboration diagram for OOJSPopulatorDefinition:

Instance Methods
(jsval)	- callback
(void)	- setCallback:
(JSObject *)	- callbackThis
(void)	- setCallbackThis:
(void)	- runCallback:
(id)	- init [implementation]
(void)	- deleteJSPointers [implementation]
(void)	- dealloc [implementation]
Instance Methods inherited from OOWeakRefObject
(id)	- weakSelf
(id)	- weakRetain [implementation]
(void)	- weakRefDied: [implementation]
Instance Methods inherited from <OOWeakReferenceSupport>
(id)	- OO_RETURNS_RETAINED

Private Attributes
jsval	_callback
JSObject *	_callbackThis
OOJSScript *	_owningScript

Additional Inherited Members
Protected Attributes inherited from OOWeakRefObject
OOWeakReference *	weakSelf

Detailed Description

Definition at line 30 of file OOJSPopulatorDefinition.h.

Method Documentation

callback

- (jsval) callback

Definition at line 1 of file OOJSPopulatorDefinition.m.

{
    return _callback;
}

References _callback, _callbackThis, _owningScript, OOJSScript::currentlyRunningScript, OOJavaScriptEngine::sharedEngine, and OOJSScript::weakRetain.

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callbackThis

- (JSObject *) callbackThis

Definition at line 1 of file OOJSPopulatorDefinition.m.

{
    return _callbackThis;
}

dealloc

- (void) dealloc

implementation

Reimplemented from OOWeakRefObject.

Definition at line 1 of file OOJSPopulatorDefinition.m.

{
    [_owningScript release];
 
    [self deleteJSPointers];
 
    [super dealloc];
}

deleteJSPointers

- (void) deleteJSPointers

implementation

Definition at line 1 of file OOJSPopulatorDefinition.m.

{
 
    JSContext               *context = OOJSAcquireContext();
    _callback = JSVAL_VOID;
    _callbackThis = NULL;
    JS_RemoveValueRoot(context, &_callback);
    JS_RemoveObjectRoot(context, &_callbackThis);
 
    OOJSRelinquishContext(context);
 
    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                    name:kOOJavaScriptEngineWillResetNotification
                                                  object:[OOJavaScriptEngine sharedEngine]];
 
}

init

- (id) init

implementation

Definition at line 1 of file OOJSPopulatorDefinition.m.

            {
    self = [super init];
    _callback = JSVAL_VOID;
    _callbackThis = NULL;
 
    _owningScript = [[OOJSScript currentlyRunningScript] weakRetain];
 
    [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(deleteJSPointers)
                                                 name:kOOJavaScriptEngineWillResetNotification
                                               object:[OOJavaScriptEngine sharedEngine]];
 
    return self;
}

runCallback:

- (void) runCallback:

(HPVector)

location

Definition at line 1 of file OOJSPopulatorDefinition.m.

                   :(HPVector)location
{
    OOJavaScriptEngine *engine = [OOJavaScriptEngine sharedEngine];
    JSContext           *context = OOJSAcquireContext();        
    jsval                   loc, rval = JSVAL_VOID;
 
    VectorToJSValue(context, HPVectorToVector(location), &loc);
 
    OOJSScript *owner = [_owningScript retain]; // local copy needed
    [OOJSScript pushScript:owner];
 
    [engine callJSFunction:_callback
                 forObject:_callbackThis
                      argc:1
                      argv:&loc
                    result:&rval];
    
    [OOJSScript popScript:owner];
    [owner release];
 
    OOJSRelinquishContext(context);
}

setCallback:

- (void) setCallback:

(jsval)

callback

Definition at line 1 of file OOJSPopulatorDefinition.m.

                   :(jsval)callback
{
    JSContext               *context = OOJSAcquireContext();
    JS_RemoveValueRoot(context, &_callback);
    _callback = callback;
    OOJSAddGCValueRoot(context, &_callback, "OOJSPopulatorDefinition callback function");
    OOJSRelinquishContext(context);
}

Referenced by SystemSetPopulator().

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setCallbackThis:

- (void) setCallbackThis:

(JSObject *)

callbackthis

Definition at line 1 of file OOJSPopulatorDefinition.m.

                       :(JSObject *)callbackThis
{
    JSContext               *context = OOJSAcquireContext();
    JS_RemoveObjectRoot(context, &_callbackThis);
    _callbackThis = callbackThis;
    OOJSAddGCObjectRoot(context, &_callbackThis, "OOJSPopulatorDefinition callback this");
    OOJSRelinquishContext(context);
}

Member Data Documentation

_callback

- (jsval) _callback

private

Definition at line 33 of file OOJSPopulatorDefinition.h.

Referenced by callback.

_callbackThis

- (JSObject*) _callbackThis

private

Definition at line 34 of file OOJSPopulatorDefinition.h.

Referenced by callback.

_owningScript

- (OOJSScript*) _owningScript

private

Definition at line 35 of file OOJSPopulatorDefinition.h.

Referenced by callback.

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

• src/Core/Scripting/OOJSPopulatorDefinition.h
• src/Core/Scripting/OOJSPopulatorDefinition.m