diff options
Diffstat (limited to 'xpcom/reflect/xptcall/xptcall.cpp')
-rw-r--r-- | xpcom/reflect/xptcall/xptcall.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/xptcall.cpp b/xpcom/reflect/xptcall/xptcall.cpp new file mode 100644 index 000000000..1ea0ac34d --- /dev/null +++ b/xpcom/reflect/xptcall/xptcall.cpp @@ -0,0 +1,82 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* 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 "xptiprivate.h" +#include "mozilla/XPTInterfaceInfoManager.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; + + XPTInterfaceInfoManager *iim = + XPTInterfaceInfoManager::GetSingleton(); + if (NS_WARN_IF(!iim)) + return NS_ERROR_NOT_INITIALIZED; + + xptiInterfaceEntry *iie = iim->GetInterfaceEntryForIID(&aIID); + if (!iie || !iie->EnsureResolved() || iie->GetBuiltinClassFlag()) + return NS_ERROR_FAILURE; + + if (iie->GetHasNotXPCOMFlag()) { +#ifdef DEBUG + nsPrintfCString msg("XPTCall will not implement interface %s because of [notxpcom] members.", iie->GetTheName()); + NS_WARNING(msg.get()); +#endif + 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); +} |