113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
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/*
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* DO NOT EDIT. THIS FILE IS GENERATED FROM c:/mozilla/xpcom/base/nsIInterfaceRequestor.idl
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*/
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#ifndef __gen_nsIInterfaceRequestor_h__
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#define __gen_nsIInterfaceRequestor_h__
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#ifndef __gen_nsISupports_h__
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#include "nsISupports.h"
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#endif
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/* For IDL files that don't want to include root IDL files. */
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#ifndef NS_NO_VTABLE
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#define NS_NO_VTABLE
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#endif
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/* starting interface: nsIInterfaceRequestor */
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#define NS_IINTERFACEREQUESTOR_IID_STR "033a1470-8b2a-11d3-af88-00a024ffc08c"
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#define NS_IINTERFACEREQUESTOR_IID \
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{0x033a1470, 0x8b2a, 0x11d3, \
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{ 0xaf, 0x88, 0x00, 0xa0, 0x24, 0xff, 0xc0, 0x8c }}
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/**
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* The nsIInterfaceRequestor interface defines a generic interface for
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* requesting interfaces that a given object might provide access to.
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* This is very similar to QueryInterface found in nsISupports.
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* The main difference is that interfaces returned from GetInterface()
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* are not required to provide a way back to the object implementing this
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* interface. The semantics of QI() dictate that given an interface A that
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* you QI() on to get to interface B, you must be able to QI on B to get back
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* to A. This interface however allows you to obtain an interface C from A
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* that may or most likely will not have the ability to get back to A.
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*
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* @status FROZEN
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*/
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class NS_NO_VTABLE nsIInterfaceRequestor : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IINTERFACEREQUESTOR_IID)
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/**
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* Retrieves the specified interface pointer.
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*
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* @param uuid The IID of the interface being requested.
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* @param result [out] The interface pointer to be filled in if
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* the interface is accessible.
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* @return NS_OK - interface was successfully returned.
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* NS_NOINTERFACE - interface not accessible.
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* NS_ERROR* - method failure.
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*/
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/* void getInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
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NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) = 0;
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};
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/* Use this macro when declaring classes that implement this interface. */
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#define NS_DECL_NSIINTERFACEREQUESTOR \
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NS_IMETHOD GetInterface(const nsIID & uuid, void * *result);
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/* Use this macro to declare functions that forward the behavior of this interface to another object. */
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#define NS_FORWARD_NSIINTERFACEREQUESTOR(_to) \
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NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) { return _to GetInterface(uuid, result); }
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/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
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#define NS_FORWARD_SAFE_NSIINTERFACEREQUESTOR(_to) \
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NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetInterface(uuid, result); }
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#if 0
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/* Use the code below as a template for the implementation class for this interface. */
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/* Header file */
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class nsInterfaceRequestor : public nsIInterfaceRequestor
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIINTERFACEREQUESTOR
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nsInterfaceRequestor();
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private:
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~nsInterfaceRequestor();
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protected:
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/* additional members */
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};
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/* Implementation file */
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NS_IMPL_ISUPPORTS1(nsInterfaceRequestor, nsIInterfaceRequestor)
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nsInterfaceRequestor::nsInterfaceRequestor()
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{
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/* member initializers and constructor code */
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}
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nsInterfaceRequestor::~nsInterfaceRequestor()
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{
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/* destructor code */
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}
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/* void getInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
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NS_IMETHODIMP nsInterfaceRequestor::GetInterface(const nsIID & uuid, void * *result)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* End of implementation class template. */
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#endif
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#endif /* __gen_nsIInterfaceRequestor_h__ */
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