gecko-dev/xpcom/reflect/xptcall/xptcall.cpp

57 строки
1.7 KiB
C++

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* entry point wrappers. */
#include "xptcprivate.h"
#include "nsPrintfCString.h"
using namespace mozilla;
NS_IMETHODIMP
nsXPTCStubBase::QueryInterface(REFNSIID aIID, void** aInstancePtr) {
if (aIID.Equals(mEntry->IID())) {
NS_ADDREF_THIS();
*aInstancePtr = static_cast<nsISupports*>(this);
return NS_OK;
}
return mOuter->QueryInterface(aIID, aInstancePtr);
}
NS_IMETHODIMP_(MozExternalRefCountType)
nsXPTCStubBase::AddRef() { return mOuter->AddRef(); }
NS_IMETHODIMP_(MozExternalRefCountType)
nsXPTCStubBase::Release() { return mOuter->Release(); }
EXPORT_XPCOM_API(nsresult)
NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,
nsISomeInterface** aResult) {
if (NS_WARN_IF(!aOuter) || NS_WARN_IF(!aResult)) return NS_ERROR_INVALID_ARG;
const nsXPTInterfaceInfo* iie = nsXPTInterfaceInfo::ByIID(aIID);
if (!iie || iie->IsBuiltinClass()) {
return NS_ERROR_FAILURE;
}
*aResult = new nsXPTCStubBase(aOuter, iie);
return NS_OK;
}
EXPORT_XPCOM_API(void)
NS_DestroyXPTCallStub(nsISomeInterface* aStub) {
nsXPTCStubBase* stub = static_cast<nsXPTCStubBase*>(aStub);
delete (stub);
}
EXPORT_XPCOM_API(size_t)
NS_SizeOfIncludingThisXPTCallStub(const nsISomeInterface* aStub,
mozilla::MallocSizeOf aMallocSizeOf) {
// We could cast aStub to nsXPTCStubBase, but that class doesn't seem to own
// anything, so just measure the size of the object itself.
return aMallocSizeOf(aStub);
}