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lightning-sunbird  0.9+nobinonly
XPCNativeWrapper.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
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00020  * the Initial Developer. All Rights Reserved.
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00022  * Contributor(s):
00023  *   Johnny Stenback <jst@mozilla.org> (original author)
00024  *   Brendan Eich <brendan@mozilla.org>
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00026  * Alternatively, the contents of this file may be used under the terms of
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00039 
00040 #include "nscore.h"
00041 #include "jsapi.h"
00042 
00043 class XPCNativeWrapper
00044 {
00045 public:
00046   static PRBool AttachNewConstructorObject(XPCCallContext &ccx,
00047                                            JSObject *aGlobalObject);
00048 
00049   static JSObject *GetNewOrUsed(JSContext *cx, XPCWrappedNative *wrapper,
00050                                 JSObject *callee);
00051 
00052   static PRBool IsNativeWrapperClass(JSClass *clazz)
00053   {
00054     return clazz == &sXPC_NW_JSClass.base;
00055   }
00056 
00057   static PRBool IsNativeWrapper(JSContext *cx, JSObject *obj)
00058   {
00059     return JS_GET_CLASS(cx, obj) == &sXPC_NW_JSClass.base;
00060   }
00061 
00062   static XPCWrappedNative *GetWrappedNative(JSContext *cx, JSObject *obj)
00063   {
00064     return (XPCWrappedNative *)::JS_GetPrivate(cx, obj);
00065   }
00066 
00067   static JSClass *GetJSClass()
00068   {
00069     return &sXPC_NW_JSClass.base;
00070   }
00071 
00072   static void ClearWrappedNativeScopes(JSContext* cx,
00073                                        XPCWrappedNative* wrapper);
00074 
00075 protected:
00076   static JSExtendedClass sXPC_NW_JSClass;
00077 };
00078