First commit.

ThreadMgrEventSink.cpp

@@ -0,0 +1,178 @@
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved
+
+#include "Private.h"
+#include "Globals.h"
+#include "SampleIME.h"
+#include "CandidateListUIPresenter.h"
+
+//+---------------------------------------------------------------------------
+//
+// ITfThreadMgrEventSink::OnInitDocumentMgr
+//
+// Sink called by the framework just before the first context is pushed onto
+// a document.
+//----------------------------------------------------------------------------
+
+STDAPI CSampleIME::OnInitDocumentMgr(_In_ ITfDocumentMgr *pDocMgr)
+{
+    pDocMgr;
+    return E_NOTIMPL;
+}
+
+//+---------------------------------------------------------------------------
+//
+// ITfThreadMgrEventSink::OnUninitDocumentMgr
+//
+// Sink called by the framework just after the last context is popped off a
+// document.
+//----------------------------------------------------------------------------
+
+STDAPI CSampleIME::OnUninitDocumentMgr(_In_ ITfDocumentMgr *pDocMgr)
+{
+    pDocMgr;
+    return E_NOTIMPL;
+}
+
+//+---------------------------------------------------------------------------
+//
+// ITfThreadMgrEventSink::OnSetFocus
+//
+// Sink called by the framework when focus changes from one document to
+// another.  Either document may be NULL, meaning previously there was no
+// focus document, or now no document holds the input focus.
+//----------------------------------------------------------------------------
+
+STDAPI CSampleIME::OnSetFocus(_In_ ITfDocumentMgr *pDocMgrFocus, _In_ ITfDocumentMgr *pDocMgrPrevFocus)
+{
+    pDocMgrPrevFocus;
+
+    _InitTextEditSink(pDocMgrFocus);
+
+    _UpdateLanguageBarOnSetFocus(pDocMgrFocus);
+
+    //
+    // We have to hide/unhide candidate list depending on whether they are 
+    // associated with pDocMgrFocus.
+    //
+    if (_pCandidateListUIPresenter)
+    {
+        ITfDocumentMgr* pCandidateListDocumentMgr = nullptr;
+        ITfContext* pTfContext = _pCandidateListUIPresenter->_GetContextDocument();
+        if ((nullptr != pTfContext) && SUCCEEDED(pTfContext->GetDocumentMgr(&pCandidateListDocumentMgr)))
+        {
+            if (pCandidateListDocumentMgr != pDocMgrFocus)
+            {
+                _pCandidateListUIPresenter->OnKillThreadFocus();
+            }
+            else 
+            {
+                _pCandidateListUIPresenter->OnSetThreadFocus();
+            }
+
+            pCandidateListDocumentMgr->Release();
+        }
+    }
+
+    if (_pDocMgrLastFocused)
+    {
+        _pDocMgrLastFocused->Release();
+		_pDocMgrLastFocused = nullptr;
+    }
+
+    _pDocMgrLastFocused = pDocMgrFocus;
+
+    if (_pDocMgrLastFocused)
+    {
+        _pDocMgrLastFocused->AddRef();
+    }
+
+    return S_OK;
+}
+
+//+---------------------------------------------------------------------------
+//
+// ITfThreadMgrEventSink::OnPushContext
+//
+// Sink called by the framework when a context is pushed.
+//----------------------------------------------------------------------------
+
+STDAPI CSampleIME::OnPushContext(_In_ ITfContext *pContext)
+{
+    pContext;
+
+    return E_NOTIMPL;
+}
+
+//+---------------------------------------------------------------------------
+//
+// ITfThreadMgrEventSink::OnPopContext
+//
+// Sink called by the framework when a context is popped.
+//----------------------------------------------------------------------------
+
+STDAPI CSampleIME::OnPopContext(_In_ ITfContext *pContext)
+{
+    pContext;
+
+    return E_NOTIMPL;
+}
+
+//+---------------------------------------------------------------------------
+//
+// _InitThreadMgrEventSink
+//
+// Advise our sink.
+//----------------------------------------------------------------------------
+
+BOOL CSampleIME::_InitThreadMgrEventSink()
+{
+    ITfSource* pSource = nullptr;
+    BOOL ret = FALSE;
+
+    if (FAILED(_pThreadMgr->QueryInterface(IID_ITfSource, (void **)&pSource)))
+    {
+        return ret;
+    }
+
+    if (FAILED(pSource->AdviseSink(IID_ITfThreadMgrEventSink, (ITfThreadMgrEventSink *)this, &_threadMgrEventSinkCookie)))
+    {
+        _threadMgrEventSinkCookie = TF_INVALID_COOKIE;
+        goto Exit;
+    }
+
+    ret = TRUE;
+
+Exit:
+    pSource->Release();
+    return ret;
+}
+
+//+---------------------------------------------------------------------------
+//
+// _UninitThreadMgrEventSink
+//
+// Unadvise our sink.
+//----------------------------------------------------------------------------
+
+void CSampleIME::_UninitThreadMgrEventSink()
+{
+    ITfSource* pSource = nullptr;
+
+    if (_threadMgrEventSinkCookie == TF_INVALID_COOKIE)
+    {
+        return; 
+    }
+
+    if (SUCCEEDED(_pThreadMgr->QueryInterface(IID_ITfSource, (void **)&pSource)))
+    {
+        pSource->UnadviseSink(_threadMgrEventSinkCookie);
+        pSource->Release();
+    }
+
+    _threadMgrEventSinkCookie = TF_INVALID_COOKIE;
+}