gecko-dev/caps/include/nsBasePrincipal.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999-2000 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributors:
* Norris Boyd
*/
/* Shared implementation code for principals. */
#ifndef _NS_BASE_PRINCIPAL_H_
#define _NS_BASE_PRINCIPAL_H_
#include "jsapi.h"
#include "nsJSPrincipals.h"
#include "nsVoidArray.h"
#include "nsHashtable.h"
class nsBasePrincipal: public nsIPrincipal {
public:
nsBasePrincipal();
virtual ~nsBasePrincipal(void);
NS_IMETHOD
GetJSPrincipals(JSPrincipals **jsprin);
NS_IMETHOD
CanEnableCapability(const char *capability, PRInt16 *result);
NS_IMETHOD
SetCanEnableCapability(const char *capability, PRInt16 canEnable);
NS_IMETHOD
IsCapabilityEnabled(const char *capability, void *annotation,
PRBool *result);
NS_IMETHOD
EnableCapability(const char *capability, void **annotation);
NS_IMETHOD
RevertCapability(const char *capability, void **annotation);
NS_IMETHOD
DisableCapability(const char *capability, void **annotation);
NS_IMETHOD
GetPreferences(char** aPrefName, char** aID,
char** aGrantedList, char** aDeniedList);
nsresult
InitFromPersistent(const char* aPrefName,const char* aID,
const char* aGrantedList, const char* aDeniedList);
static const char Invalid[];
protected:
enum AnnotationValue { AnnotationEnabled=1, AnnotationDisabled };
NS_IMETHOD
SetCapability(const char *capability, void **annotation,
AnnotationValue value);
nsJSPrincipals mJSPrincipals;
nsVoidArray mAnnotations;
nsHashtable *mCapabilities;
char *mPrefName;
static int mCapabilitiesOrdinal;
};
// special AddRef/Release to unify reference counts between XPCOM
// and JSPrincipals
#define NSBASEPRINCIPALS_ADDREF(className) \
NS_IMETHODIMP_(nsrefcnt) \
className::AddRef(void) \
{ \
NS_PRECONDITION(PRInt32(mRefCnt) == 0, "illegal mRefCnt"); \
NS_PRECONDITION(PRInt32(mJSPrincipals.refcount) >= 0, "illegal refcnt");\
nsrefcnt count = PR_AtomicIncrement((PRInt32 *)&mJSPrincipals.refcount);\
NS_LOG_ADDREF(this, count, #className, sizeof(*this)); \
return count; \
}
#define NSBASEPRINCIPALS_RELEASE(className) \
NS_IMETHODIMP_(nsrefcnt) \
className::Release(void) \
{ \
NS_PRECONDITION(PRInt32(mRefCnt) == 0, "illegal mRefCnt"); \
NS_PRECONDITION(0 != mJSPrincipals.refcount, "dup release"); \
nsrefcnt count = PR_AtomicDecrement((PRInt32 *)&mJSPrincipals.refcount);\
NS_LOG_RELEASE(this, count, #className); \
if (count == 0) { \
NS_DELETEXPCOM(this); \
return 0; \
} \
return count; \
}
#endif // _NS_BASE_PRINCIPAL_H_