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Bug 411327 - nsIXPCNativeCallContext should not inherit from nsISupports, r=mrbkap, a=schrep

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benjamin@smedbergs.us 2008-01-15 07:57:43 -08:00
parent dfc4cee45d
commit f4fc98e442
1 changed files with 89 additions and 0 deletions
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89
js/src/xpconnect/public/nsAXPCNativeCallContext.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Bandhauer <jband@netscape.com> (original author)
* Nate Nielsen <nielsen@memberwebs.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsAXPCNativeCallContext_h__
#define nsAXPCNativeCallContext_h__
class nsIXPConnectWrappedNative;
/**
* A native call context is allocated on the stack when XPConnect calls a
* native method. Holding a pointer to this object beyond the currently
* executing stack frame is not permitted.
*/
class nsAXPCNativeCallContext
{
public:
NS_IMETHOD GetCallee(nsISupports **aResult) = 0;
NS_IMETHOD GetCalleeMethodIndex(PRUint16 *aResult) = 0;
NS_IMETHOD GetCalleeWrapper(nsIXPConnectWrappedNative **aResult) = 0;
NS_IMETHOD GetJSContext(JSContext **aResult) = 0;
NS_IMETHOD GetArgc(PRUint32 *aResult) = 0;
NS_IMETHOD GetArgvPtr(jsval **aResult) = 0;
/**
* This may be NULL if the JS caller is ignoring the result of the call.
*/
NS_IMETHOD GetRetValPtr(jsval **aResult) = 0;
/**
* Set this if JS_SetPendingException has been called. Return NS_OK or
* else this will be ignored and the native method's nsresult will be
* converted into an exception and thrown into JS as is the normal case.
*/
NS_IMETHOD GetExceptionWasThrown(PRBool *aResult) = 0;
NS_IMETHOD SetExceptionWasThrown(PRBool aValue) = 0;
/**
* Set this to indicate that the callee has directly set the return value
* (using RetValPtr and the JSAPI). If set then xpconnect will not attempt
* to overwrite it with the converted retval from the C++ callee.
*/
NS_IMETHOD GetReturnValueWasSet(PRBool *aResult) = 0;
NS_IMETHOD SetReturnValueWasSet(PRBool aValue) = 0;
// Methods added since mozilla 0.6....
NS_IMETHOD GetCalleeInterface(nsIInterfaceInfo **aResult) = 0;
NS_IMETHOD GetCalleeClassInfo(nsIClassInfo **aResult) = 0;
};
#endif