gecko-dev/dom/base/nsIJSEventListener.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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#ifndef nsIJSEventListener_h__
#define nsIJSEventListener_h__
#include "nsIScriptContext.h"
#include "jsapi.h"
class nsIScriptObjectOwner;
class nsIDOMEventListener;
class nsIAtom;
#define NS_IJSEVENTLISTENER_IID \
{ 0x08ca15c4, 0x1c2d, 0x449e, \
{ 0x9e, 0x88, 0xaa, 0x8b, 0xbf, 0x00, 0xf7, 0x63 } }
// Implemented by script event listeners. Used to retrieve the
// script object corresponding to the event target.
// (Note this interface is now used to store script objects for all
// script languages, so is no longer JS specific)
class nsIJSEventListener : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IJSEVENTLISTENER_IID)
nsIJSEventListener(nsIScriptContext *aContext, void *aScopeObject,
nsISupports *aTarget)
: mContext(aContext), mScopeObject(aScopeObject),
mTarget(do_QueryInterface(aTarget))
{
}
nsIScriptContext *GetEventContext()
{
return mContext;
}
nsISupports *GetEventTarget()
{
return mTarget;
}
void *GetEventScope()
{
return mScopeObject;
}
virtual nsresult GetJSVal(const nsAString& aEventName, jsval* aJSVal) = 0;
protected:
virtual ~nsIJSEventListener()
{
}
nsCOMPtr<nsIScriptContext> mContext;
void *mScopeObject;
nsCOMPtr<nsISupports> mTarget;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIJSEventListener, NS_IJSEVENTLISTENER_IID)
/* factory function */
nsresult NS_NewJSEventListener(nsIScriptContext *aContext,
void *aScopeObject, nsISupports *aObject,
nsIAtom* aType, nsIDOMEventListener **aReturn);
#endif // nsIJSEventListener_h__