/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998-2000 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 * Norris Boyd
 */

#ifndef _NS_SCRIPT_SECURITY_MANAGER_H_
#define _NS_SCRIPT_SECURITY_MANAGER_H_

#include "nsIScriptSecurityManager.h"
#include "nsIPrincipal.h"
#include "jsapi.h"
#include "nsIXPCSecurityManager.h"
#include "nsHashtable.h"
#include "nsDOMPropEnums.h"
#include "nsCOMPtr.h"

class nsIPref;

#define NS_SCRIPTSECURITYMANAGER_CID \
{ 0x7ee2a4c0, 0x4b93, 0x17d3, \
{ 0xba, 0x18, 0x00, 0x60, 0xb0, 0xf1, 0x99, 0xa2 }}

class nsScriptSecurityManager : public nsIScriptSecurityManager,
                                public nsIXPCSecurityManager
{
public:
    nsScriptSecurityManager();
    virtual ~nsScriptSecurityManager();
    
    NS_DEFINE_STATIC_CID_ACCESSOR(NS_SCRIPTSECURITYMANAGER_CID)
        
    NS_DECL_ISUPPORTS
    NS_DECL_NSISCRIPTSECURITYMANAGER
    NS_DECL_NSIXPCSECURITYMANAGER
    
    static nsScriptSecurityManager *
    GetScriptSecurityManager();
    
private:
    void
    LookupPrincipal(nsCOMPtr<nsIPrincipal>* aPrincipal);

    NS_IMETHOD
    GetSubjectPrincipal(JSContext *aCx, nsIPrincipal **result);

    NS_IMETHOD
    GetObjectPrincipal(JSContext *aCx, JSObject *aObj, nsIPrincipal **result);

    NS_IMETHOD
    CheckPermissions(JSContext *aCx, JSObject *aObj, const char *aCapability);
    
    PRInt32 
    GetSecurityLevel(nsIPrincipal *principal, nsDOMProp domProp, 
                     PRBool isWrite, nsCString &capability);

    NS_IMETHOD
    GetPrefName(nsIPrincipal *principal, nsDOMProp domProp, 
                nsCString &result);

    NS_IMETHOD
    CheckXPCPermissions(JSContext *cx);

    NS_IMETHOD
    InitFromPrefs();

    static void
    EnumeratePolicyCallback(const char *prefName, void *data);

    static void
    EnumeratePrincipalsCallback(const char *prefName, void *data);

    static int
    JSEnabledPrefChanged(const char *pref, void *data);

    static int
    PrincipalPrefChanged(const char *pref, void *data);

    nsObjectHashtable *mOriginToPolicyMap;
    nsIPref *mPrefs;
    nsIPrincipal *mSystemPrincipal;
    nsSupportsHashtable *mPrincipals;
    PRBool mIsJavaScriptEnabled;
    PRBool mIsMailJavaScriptEnabled;
    PRBool mIsWritingPrefs;
    unsigned char hasPolicyVector[(NS_DOM_PROP_MAX >> 3) + 1];
    unsigned char hasDomainPolicyVector[(NS_DOM_PROP_MAX >> 3) + 1];
};

#endif /*_NS_SCRIPT_SECURITY_MANAGER_H_*/