Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/include/nsIInterfaceRequestor.h

+/*
+ * DO NOT EDIT.  THIS FILE IS GENERATED FROM c:/builds/tinderbox/XR-Mozilla1.8.0-Release/WINNT_5.2_Depend/mozilla/xpcom/base/nsIInterfaceRequestor.idl
+ */
+
+#ifndef __gen_nsIInterfaceRequestor_h__
+#define __gen_nsIInterfaceRequestor_h__
+
+
+#ifndef __gen_nsISupports_h__
+#include "nsISupports.h"
+#endif
+
+/* For IDL files that don't want to include root IDL files. */
+#ifndef NS_NO_VTABLE
+#define NS_NO_VTABLE
+#endif
+
+/* starting interface:    nsIInterfaceRequestor */
+#define NS_IINTERFACEREQUESTOR_IID_STR "033a1470-8b2a-11d3-af88-00a024ffc08c"
+
+#define NS_IINTERFACEREQUESTOR_IID \
+  {0x033a1470, 0x8b2a, 0x11d3, \
+    { 0xaf, 0x88, 0x00, 0xa0, 0x24, 0xff, 0xc0, 0x8c }}
+
+/**
+ * The nsIInterfaceRequestor interface defines a generic interface for 
+ * requesting interfaces that a given object might provide access to.
+ * This is very similar to QueryInterface found in nsISupports.  
+ * The main difference is that interfaces returned from GetInterface()
+ * are not required to provide a way back to the object implementing this 
+ * interface.  The semantics of QI() dictate that given an interface A that 
+ * you QI() on to get to interface B, you must be able to QI on B to get back 
+ * to A.  This interface however allows you to obtain an interface C from A 
+ * that may or most likely will not have the ability to get back to A. 
+ *
+ * @status FROZEN
+ */
+class NS_NO_VTABLE nsIInterfaceRequestor : public nsISupports {
+ public: 
+
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IINTERFACEREQUESTOR_IID)
+
+  /**
+    * Retrieves the specified interface pointer.
+    *
+    * @param uuid The IID of the interface being requested.
+    * @param result [out] The interface pointer to be filled in if
+    *               the interface is accessible.
+    * @return NS_OK - interface was successfully returned.
+    *         NS_NOINTERFACE - interface not accessible.
+    *         NS_ERROR* - method failure.
+    */
+  /* void getInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
+  NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) = 0;
+
+};
+
+/* Use this macro when declaring classes that implement this interface. */
+#define NS_DECL_NSIINTERFACEREQUESTOR \
+  NS_IMETHOD GetInterface(const nsIID & uuid, void * *result); 
+
+/* Use this macro to declare functions that forward the behavior of this interface to another object. */
+#define NS_FORWARD_NSIINTERFACEREQUESTOR(_to) \
+  NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) { return _to GetInterface(uuid, result); } 
+
+/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
+#define NS_FORWARD_SAFE_NSIINTERFACEREQUESTOR(_to) \
+  NS_IMETHOD GetInterface(const nsIID & uuid, void * *result) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetInterface(uuid, result); } 
+
+#if 0
+/* Use the code below as a template for the implementation class for this interface. */
+
+/* Header file */
+class nsInterfaceRequestor : public nsIInterfaceRequestor
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIINTERFACEREQUESTOR
+
+  nsInterfaceRequestor();
+
+private:
+  ~nsInterfaceRequestor();
+
+protected:
+  /* additional members */
+};
+
+/* Implementation file */
+NS_IMPL_ISUPPORTS1(nsInterfaceRequestor, nsIInterfaceRequestor)
+
+nsInterfaceRequestor::nsInterfaceRequestor()
+{
+  /* member initializers and constructor code */
+}
+
+nsInterfaceRequestor::~nsInterfaceRequestor()
+{
+  /* destructor code */
+}
+
+/* void getInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
+NS_IMETHODIMP nsInterfaceRequestor::GetInterface(const nsIID & uuid, void * *result)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+/* End of implementation class template. */
+#endif
+
+
+#endif /* __gen_nsIInterfaceRequestor_h__ */