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158 lines
3.5 KiB
158 lines
3.5 KiB
//
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// lpns.cpp
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//
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#include "private.h"
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#include "lpns.h"
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#include "helpers.h"
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//////////////////////////////////////////////////////////////////////////////
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//
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// CLanguageProfileNotifySink
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//
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//////////////////////////////////////////////////////////////////////////////
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//+---------------------------------------------------------------------------
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//
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// IUnknown
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//
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//----------------------------------------------------------------------------
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STDAPI CLanguageProfileNotifySink::QueryInterface(REFIID riid, void **ppvObj)
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{
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_ITfLanguageProfileNotifySink))
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{
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*ppvObj = SAFECAST(this, CLanguageProfileNotifySink *);
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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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STDAPI_(ULONG) CLanguageProfileNotifySink::AddRef()
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{
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return ++_cRef;
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}
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STDAPI_(ULONG) CLanguageProfileNotifySink::Release()
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{
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long cr;
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cr = --_cRef;
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Assert(cr >= 0);
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if (cr == 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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// ctor
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//
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//----------------------------------------------------------------------------
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CLanguageProfileNotifySink::CLanguageProfileNotifySink(LPNSCALLBACK pfn, void *pv)
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{
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Dbg_MemSetThisName(TEXT("CLanguageProfileNotifySink"));
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_cRef = 1;
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_dwCookie = LPNS_INVALID_COOKIE;
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_pfn = pfn;
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_pv = pv;
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}
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//+---------------------------------------------------------------------------
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//
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// OnLanguageChange
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//
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//----------------------------------------------------------------------------
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STDAPI CLanguageProfileNotifySink::OnLanguageChange(LANGID langid, BOOL *pfAccept)
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{
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return _pfn ? _pfn(FALSE, langid, pfAccept, _pv) : S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// OnLanguageChanged
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//
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//----------------------------------------------------------------------------
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STDAPI CLanguageProfileNotifySink::OnLanguageChanged()
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{
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return _pfn ? _pfn(TRUE, 0, NULL, _pv) : S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// CLanguageProfileNotifySink::Advise
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//
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//----------------------------------------------------------------------------
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HRESULT CLanguageProfileNotifySink::_Advise(ITfInputProcessorProfiles *pipp)
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{
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HRESULT hr;
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ITfSource *source = NULL;
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_pipp = NULL;
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hr = E_FAIL;
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if (FAILED(pipp->QueryInterface(IID_ITfSource, (void **)&source)))
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goto Exit;
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if (FAILED(source->AdviseSink(IID_ITfLanguageProfileNotifySink, this, &_dwCookie)))
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goto Exit;
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_pipp = pipp;
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_pipp->AddRef();
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hr = S_OK;
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Exit:
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SafeRelease(source);
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// CLanguageProfileNotifySink::Unadvise
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//
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//----------------------------------------------------------------------------
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HRESULT CLanguageProfileNotifySink::_Unadvise()
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{
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HRESULT hr;
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ITfSource *source = NULL;
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hr = E_FAIL;
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if (_pipp == NULL)
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goto Exit;
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if (FAILED(_pipp->QueryInterface(IID_ITfSource, (void **)&source)))
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goto Exit;
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if (FAILED(source->UnadviseSink(_dwCookie)))
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goto Exit;
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hr = S_OK;
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Exit:
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SafeRelease(source);
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SafeReleaseClear(_pipp);
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return hr;
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}
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