211 lines
5.7 KiB
C++
211 lines
5.7 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 "SearchCandidateProvider.h"
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#include <new>
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#include "SampleIME.h"
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#include "CompositionProcessorEngine.h"
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#include "TipCandidateList.h"
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#include "TipCandidateString.h"
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/*------------------------------------------------------------------------------
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create instance of CSearchCandidateProvider
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------------------------------------------------------------------------------*/
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HRESULT CSearchCandidateProvider::CreateInstance(_Outptr_ ITfFnSearchCandidateProvider **ppobj, _In_ ITfTextInputProcessorEx *ptip)
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{
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if (ppobj == nullptr)
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{
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return E_INVALIDARG;
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}
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*ppobj = nullptr;
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*ppobj = new (std::nothrow) CSearchCandidateProvider(ptip);
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if (nullptr == *ppobj)
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{
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return E_OUTOFMEMORY;
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}
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return S_OK;
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}
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/*------------------------------------------------------------------------------
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create instance of CSearchCandidateProvider
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------------------------------------------------------------------------------*/
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HRESULT CSearchCandidateProvider::CreateInstance(REFIID riid, _Outptr_ void **ppvObj, _In_ ITfTextInputProcessorEx *ptip)
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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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*ppvObj = new (std::nothrow) CSearchCandidateProvider(ptip);
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if (nullptr == *ppvObj)
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{
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return E_OUTOFMEMORY;
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}
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return ((CSearchCandidateProvider*)(*ppvObj))->QueryInterface(riid, ppvObj);
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}
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/*------------------------------------------------------------------------------
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constructor of CSearchCandidateProvider
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------------------------------------------------------------------------------*/
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CSearchCandidateProvider::CSearchCandidateProvider(_In_ ITfTextInputProcessorEx *ptip)
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{
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assert(ptip != nullptr);
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_pTip = ptip;
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_refCount = 0;
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}
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/*------------------------------------------------------------------------------
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destructor of CSearchCandidateProvider
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------------------------------------------------------------------------------*/
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CSearchCandidateProvider::~CSearchCandidateProvider(void)
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{
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}
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/*------------------------------------------------------------------------------
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query interface
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(IUnknown method)
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------------------------------------------------------------------------------*/
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STDMETHODIMP CSearchCandidateProvider::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_POINTER;
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}
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*ppvObj = nullptr;
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if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, __uuidof(ITfFnSearchCandidateProvider)))
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{
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*ppvObj = (ITfFnSearchCandidateProvider*)this;
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}
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else if (IsEqualIID(riid, IID_ITfFunction))
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{
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*ppvObj = (ITfFunction*)this;
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}
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if (*ppvObj == nullptr)
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{
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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/*------------------------------------------------------------------------------
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increment reference count
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(IUnknown method)
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------------------------------------------------------------------------------*/
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STDMETHODIMP_(ULONG) CSearchCandidateProvider::AddRef()
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{
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return (ULONG)InterlockedIncrement(&_refCount);
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}
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/*------------------------------------------------------------------------------
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decrement reference count and release object
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(IUnknown method)
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------------------------------------------------------------------------------*/
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STDMETHODIMP_(ULONG) CSearchCandidateProvider::Release()
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{
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ULONG ref = (ULONG)InterlockedDecrement(&_refCount);
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if (0 < ref)
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{
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return ref;
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}
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delete this;
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return 0;
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}
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STDMETHODIMP CSearchCandidateProvider::GetDisplayName(_Out_ BSTR *pbstrName)
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{
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if (pbstrName == nullptr)
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{
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return E_INVALIDARG;
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}
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*pbstrName = SysAllocString(L"SearchCandidateProvider");
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return S_OK;
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}
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STDMETHODIMP CSearchCandidateProvider::GetSearchCandidates(BSTR bstrQuery, BSTR bstrApplicationID, _Outptr_result_maybenull_ ITfCandidateList **pplist)
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{
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bstrApplicationID;bstrQuery;
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HRESULT hr = E_FAIL;
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*pplist = nullptr;
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if (nullptr == _pTip)
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{
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return hr;
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}
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CCompositionProcessorEngine* pCompositionProcessorEngine = ((CSampleIME*)_pTip)->GetCompositionProcessorEngine();
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if (nullptr == pCompositionProcessorEngine)
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{
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return hr;
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}
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CSampleImeArray<CCandidateListItem> candidateList;
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pCompositionProcessorEngine->GetCandidateList(&candidateList, TRUE, FALSE);
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int cCand = min(candidateList.Count(), FAKECANDIDATENUMBER);
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if (0 < cCand)
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{
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hr = CTipCandidateList::CreateInstance(pplist, cCand);
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if (FAILED(hr))
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{
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return hr;
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}
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for (int iCand = 0; iCand < cCand; iCand++)
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{
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ITfCandidateString* pCandStr = nullptr;
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CTipCandidateString::CreateInstance(IID_ITfCandidateString, (void**)&pCandStr);
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((CTipCandidateString*)pCandStr)->SetIndex(iCand);
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((CTipCandidateString*)pCandStr)->SetString(candidateList.GetAt(iCand)->_ItemString.Get(), candidateList.GetAt(iCand)->_ItemString.GetLength());
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((CTipCandidateList*)(*pplist))->SetCandidate(&pCandStr);
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}
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}
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hr = S_OK;
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return hr;
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}
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/*------------------------------------------------------------------------------
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set result
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(ITfFnSearchCandidateProvider method)
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------------------------------------------------------------------------------*/
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STDMETHODIMP CSearchCandidateProvider::SetResult(BSTR bstrQuery, BSTR bstrApplicationID, BSTR bstrResult)
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{
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bstrQuery;bstrApplicationID;bstrResult;
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return E_NOTIMPL;
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}
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