The Tor Browser: xpcom/reflect/xptcall/src/xptcall.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /* entry point wrappers. */

     8 #include "xptcprivate.h"

     9 #include "xptiprivate.h"

    10 #include "mozilla/XPTInterfaceInfoManager.h"

    12 using namespace mozilla;

    14 NS_IMETHODIMP

    15 nsXPTCStubBase::QueryInterface(REFNSIID aIID,

    16                                void **aInstancePtr)

    17 {

    18     if (aIID.Equals(mEntry->IID())) {

    19         NS_ADDREF_THIS();

    20         *aInstancePtr = static_cast<nsISupports*>(this);

    21         return NS_OK;

    22     }

    24     return mOuter->QueryInterface(aIID, aInstancePtr);

    25 }

    27 NS_IMETHODIMP_(MozExternalRefCountType)

    28 nsXPTCStubBase::AddRef()

    29 {

    30     return mOuter->AddRef();

    31 }

    33 NS_IMETHODIMP_(MozExternalRefCountType)

    34 nsXPTCStubBase::Release()

    35 {

    36     return mOuter->Release();

    37 }

    39 EXPORT_XPCOM_API(nsresult)

    40 NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,

    41                   nsISomeInterface* *aResult)

    42 {

    43     if (NS_WARN_IF(!aOuter) || NS_WARN_IF(!aResult))

    44         return NS_ERROR_INVALID_ARG;

    46     XPTInterfaceInfoManager *iim =

    47         XPTInterfaceInfoManager::GetSingleton();

    48     if (NS_WARN_IF(!iim))

    49         return NS_ERROR_NOT_INITIALIZED;

    51     xptiInterfaceEntry *iie = iim->GetInterfaceEntryForIID(&aIID);

    52     if (!iie || !iie->EnsureResolved() || iie->GetBuiltinClassFlag())

    53         return NS_ERROR_FAILURE;

    55     nsXPTCStubBase* newbase = new nsXPTCStubBase(aOuter, iie);

    56     if (!newbase)

    57         return NS_ERROR_OUT_OF_MEMORY;

    59     *aResult = newbase;

    60     return NS_OK;

    61 }

    63 EXPORT_XPCOM_API(void)

    64 NS_DestroyXPTCallStub(nsISomeInterface* aStub)

    65 {

    66     nsXPTCStubBase* stub = static_cast<nsXPTCStubBase*>(aStub);

    67     delete(stub);

    68 }

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