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/. */
5
6 /* entry point wrappers. */
7
8 #include "xptcprivate.h"
9 #include "xptiprivate.h"
10 #include "mozilla/XPTInterfaceInfoManager.h"
11 #include "nsPrintfCString.h"
12
13 using namespace mozilla;
14
15 NS_IMETHODIMP
QueryInterface(REFNSIID aIID,void ** aInstancePtr)16 nsXPTCStubBase::QueryInterface(REFNSIID aIID, void** aInstancePtr) {
17 if (aIID.Equals(mEntry->IID())) {
18 NS_ADDREF_THIS();
19 *aInstancePtr = static_cast<nsISupports*>(this);
20 return NS_OK;
21 }
22
23 return mOuter->QueryInterface(aIID, aInstancePtr);
24 }
25
NS_IMETHODIMP_(MozExternalRefCountType)26 NS_IMETHODIMP_(MozExternalRefCountType)
27 nsXPTCStubBase::AddRef() { return mOuter->AddRef(); }
28
NS_IMETHODIMP_(MozExternalRefCountType)29 NS_IMETHODIMP_(MozExternalRefCountType)
30 nsXPTCStubBase::Release() { return mOuter->Release(); }
31
32 EXPORT_XPCOM_API(nsresult)
NS_GetXPTCallStub(REFNSIID aIID,nsIXPTCProxy * aOuter,nsISomeInterface ** aResult)33 NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,
34 nsISomeInterface** aResult) {
35 if (NS_WARN_IF(!aOuter) || NS_WARN_IF(!aResult)) return NS_ERROR_INVALID_ARG;
36
37 XPTInterfaceInfoManager* iim = XPTInterfaceInfoManager::GetSingleton();
38 if (NS_WARN_IF(!iim)) return NS_ERROR_NOT_INITIALIZED;
39
40 xptiInterfaceEntry* iie = iim->GetInterfaceEntryForIID(&aIID);
41 if (!iie || !iie->EnsureResolved() || iie->GetBuiltinClassFlag())
42 return NS_ERROR_FAILURE;
43
44 if (iie->GetHasNotXPCOMFlag()) {
45 #ifdef DEBUG
46 nsPrintfCString msg(
47 "XPTCall will not implement interface %s because of [notxpcom] "
48 "members.",
49 iie->GetTheName());
50 NS_WARNING(msg.get());
51 #endif
52 return NS_ERROR_FAILURE;
53 }
54
55 *aResult = new nsXPTCStubBase(aOuter, iie);
56 return NS_OK;
57 }
58
59 EXPORT_XPCOM_API(void)
NS_DestroyXPTCallStub(nsISomeInterface * aStub)60 NS_DestroyXPTCallStub(nsISomeInterface* aStub) {
61 nsXPTCStubBase* stub = static_cast<nsXPTCStubBase*>(aStub);
62 delete (stub);
63 }
64
65 EXPORT_XPCOM_API(size_t)
NS_SizeOfIncludingThisXPTCallStub(const nsISomeInterface * aStub,mozilla::MallocSizeOf aMallocSizeOf)66 NS_SizeOfIncludingThisXPTCallStub(const nsISomeInterface* aStub,
67 mozilla::MallocSizeOf aMallocSizeOf) {
68 // We could cast aStub to nsXPTCStubBase, but that class doesn't seem to own
69 // anything, so just measure the size of the object itself.
70 return aMallocSizeOf(aStub);
71 }
72