You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
1.5 KiB
78 lines
1.5 KiB
15 years ago
|
/*
|
||
|
|
* Copyright (c) 2003, Sergey Zorin. All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is distributable under the BSD license. See the terms
|
||
|
|
* of the BSD license in the LICENSE file provided with this software.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "class_factory.h"
|
||
|
|
#include "diff_ext.h"
|
||
|
|
#include "server.h"
|
||
|
|
|
||
|
|
CLASS_FACTORY::CLASS_FACTORY() {
|
||
|
|
_ref_count = 0L;
|
||
|
|
|
||
|
|
SERVER::instance()->lock();
|
||
|
|
}
|
||
|
|
|
||
|
|
CLASS_FACTORY::~CLASS_FACTORY() {
|
||
|
|
SERVER::instance()->release();
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CLASS_FACTORY::QueryInterface(REFIID riid, void** ppv) {
|
||
|
|
HRESULT ret = E_NOINTERFACE;
|
||
|
|
*ppv = 0;
|
||
|
|
|
||
|
|
if(IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory)) {
|
||
|
|
*ppv = static_cast<CLASS_FACTORY*>(this);
|
||
|
|
|
||
|
|
AddRef();
|
||
|
|
|
||
|
|
ret = NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CLASS_FACTORY::AddRef() {
|
||
|
|
return InterlockedIncrement((LPLONG)&_ref_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CLASS_FACTORY::Release() {
|
||
|
|
ULONG ret = 0L;
|
||
|
|
|
||
|
|
if(InterlockedDecrement((LPLONG)&_ref_count) != 0)
|
||
|
|
ret = _ref_count;
|
||
|
|
else
|
||
|
|
delete this;
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CLASS_FACTORY::CreateInstance(IUnknown* outer, REFIID refiid, void** obj) {
|
||
|
|
HRESULT ret = CLASS_E_NOAGGREGATION;
|
||
|
|
*obj = 0;
|
||
|
|
|
||
|
|
// Shell extensions typically don't support aggregation (inheritance)
|
||
|
|
if(outer == 0) {
|
||
|
|
DIFF_EXT* ext = new DIFF_EXT();
|
||
|
|
|
||
|
|
if(ext == 0)
|
||
|
|
ret = E_OUTOFMEMORY;
|
||
|
|
else
|
||
|
|
ret = ext->QueryInterface(refiid, obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CLASS_FACTORY::LockServer(BOOL) {
|
||
|
|
return NOERROR;
|
||
|
|
}
|