154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
//////////////////////////////////////////////////////////////////////
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
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// TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (C) 2003 Microsoft Corporation. All rights reserved.
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//
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// CTextService.cpp
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//
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// IUnknown, ITfTextInputProcessor implementation.
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//
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//////////////////////////////////////////////////////////////////////
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#include "globals.h"
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#include "TextService.h"
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//+---------------------------------------------------------------------------
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//
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// CreateInstance
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//
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//----------------------------------------------------------------------------
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/* static */
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HRESULT CTextService::CreateInstance(IUnknown *pUnkOuter, REFIID riid, void **ppvObj)
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{
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CTextService *pCase;
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HRESULT hr;
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if (ppvObj == NULL)
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return E_INVALIDARG;
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*ppvObj = NULL;
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if (NULL != pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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if ((pCase = new CTextService) == NULL)
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return E_OUTOFMEMORY;
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hr = pCase->QueryInterface(riid, ppvObj);
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pCase->Release(); // caller still holds ref if hr == S_OK
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// ctor
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//
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//----------------------------------------------------------------------------
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CTextService::CTextService()
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{
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DllAddRef();
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_cRef = 1;
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}
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//+---------------------------------------------------------------------------
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//
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// dtor
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//
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//----------------------------------------------------------------------------
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CTextService::~CTextService()
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{
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DllRelease();
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}
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//+---------------------------------------------------------------------------
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//
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// QueryInterface
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//
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//----------------------------------------------------------------------------
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STDAPI CTextService::QueryInterface(REFIID riid, void **ppvObj)
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{
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if (ppvObj == NULL)
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return E_INVALIDARG;
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_ITfTextInputProcessor))
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{
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*ppvObj = (ITfTextInputProcessor *)this;
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}
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if (*ppvObj)
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{
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AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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//+---------------------------------------------------------------------------
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//
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// AddRef
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//
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//----------------------------------------------------------------------------
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STDAPI_(ULONG) CTextService::AddRef()
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{
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return ++_cRef;
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}
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//+---------------------------------------------------------------------------
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//
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// Release
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//
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//----------------------------------------------------------------------------
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STDAPI_(ULONG) CTextService::Release()
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{
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LONG cr = --_cRef;
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assert(_cRef >= 0);
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if (_cRef == 0)
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{
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delete this;
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}
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return cr;
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}
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//+---------------------------------------------------------------------------
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//
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// Activate
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//
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//----------------------------------------------------------------------------
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STDAPI CTextService::Activate(ITfThreadMgr *pThreadMgr, TfClientId tfClientId)
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{
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// Deactivate
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//
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//----------------------------------------------------------------------------
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STDAPI CTextService::Deactivate()
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{
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return S_OK;
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}
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