gecko-dev/xpcom/glue/GenericModule.cpp

99 строки
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/ModuleUtils.h"
#include "mozilla/GenericFactory.h"
#include "nsICategoryManager.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsServiceManagerUtils.h"
#include "nsXPCOMCID.h"
#include "nsStringAPI.h"
namespace mozilla {
NS_IMPL_ISUPPORTS(GenericModule, nsIModule)
NS_IMETHODIMP
GenericModule::GetClassObject(nsIComponentManager* aCompMgr,
const nsCID& aCID,
const nsIID& aIID,
void** aResult)
{
for (const Module::CIDEntry* e = mData->mCIDs; e->cid; ++e) {
if (e->cid->Equals(aCID)) {
nsCOMPtr<nsIFactory> f;
if (e->getFactoryProc) {
f = e->getFactoryProc(*mData, *e);
} else {
NS_ASSERTION(e->constructorProc, "No constructor proc?");
f = new GenericFactory(e->constructorProc);
}
if (!f) {
return NS_ERROR_FAILURE;
}
return f->QueryInterface(aIID, aResult);
}
}
NS_ERROR("Asking a module for a CID it doesn't implement.");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
GenericModule::RegisterSelf(nsIComponentManager* aCompMgr,
nsIFile* aLocation,
const char* aLoaderStr,
const char* aType)
{
nsCOMPtr<nsIComponentRegistrar> r = do_QueryInterface(aCompMgr);
for (const Module::CIDEntry* e = mData->mCIDs; e->cid; ++e) {
r->RegisterFactoryLocation(*e->cid, "", nullptr, aLocation,
aLoaderStr, aType);
}
for (const Module::ContractIDEntry* e = mData->mContractIDs;
e && e->contractid;
++e) {
r->RegisterFactoryLocation(*e->cid, "", e->contractid, aLocation,
aLoaderStr, aType);
}
nsCOMPtr<nsICategoryManager> catman;
for (const Module::CategoryEntry* e = mData->mCategoryEntries;
e && e->category;
++e) {
if (!catman) {
catman = do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
}
nsAutoCString r;
catman->AddCategoryEntry(e->category, e->entry, e->value, true, true,
getter_Copies(r));
}
return NS_OK;
}
NS_IMETHODIMP
GenericModule::UnregisterSelf(nsIComponentManager* aCompMgr,
nsIFile* aFile,
const char* aLoaderStr)
{
NS_ERROR("Nobody should ever call UnregisterSelf!");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
GenericModule::CanUnload(nsIComponentManager* aCompMgr, bool* aResult)
{
NS_ERROR("Nobody should ever call CanUnload!");
*aResult = false;
return NS_OK;
}
} // namespace mozilla