100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
// 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 TO
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// 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) Microsoft Corporation. All rights reserved
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#include "Private.h"
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#include "EditSession.h"
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#include "SampleIME.h"
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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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CEditSessionBase::CEditSessionBase(_In_ CSampleIME *pTextService, _In_ ITfContext *pContext)
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{
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_refCount = 1;
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_pContext = pContext;
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_pContext->AddRef();
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_pTextService = pTextService;
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_pTextService->AddRef();
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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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CEditSessionBase::~CEditSessionBase()
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{
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_pContext->Release();
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_pTextService->Release();
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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 CEditSessionBase::QueryInterface(REFIID riid, _Outptr_ void **ppvObj)
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{
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if (ppvObj == nullptr)
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{
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return E_INVALIDARG;
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}
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*ppvObj = nullptr;
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_ITfEditSession))
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{
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*ppvObj = (ITfLangBarItemButton *)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) CEditSessionBase::AddRef(void)
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{
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return ++_refCount;
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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) CEditSessionBase::Release(void)
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{
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LONG cr = --_refCount;
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assert(_refCount >= 0);
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if (_refCount == 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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