[reactos] 01/01: [MSCTFIME] Implement CTextEventSink::_Advise and _Unadvise (#6284)

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0e9939bd42aa9eb6535bf…

commit 0e9939bd42aa9eb6535bf9278f3959164cb522a5
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Wed Jan 3 10:50:48 2024 +0900
Commit:     GitHub <noreply(a)github.com>
CommitDate: Wed Jan 3 10:50:48 2024 +0900

    [MSCTFIME] Implement CTextEventSink::_Advise and _Unadvise (#6284)
    
    Supporting TIPs...
    JIRA issue: CORE-19360
---
 dll/ime/msctfime/msctfime.cpp | 69 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 59 insertions(+), 10 deletions(-)

diff --git a/dll/ime/msctfime/msctfime.cpp b/dll/ime/msctfime/msctfime.cpp
index c9f235937bc..e1c2fd9cd62 100644
--- a/dll/ime/msctfime/msctfime.cpp
+++ b/dll/ime/msctfime/msctfime.cpp
@@ -609,7 +609,11 @@ protected:
     IUnknown *m_pUnknown;
     DWORD m_dwEditSinkCookie;
     DWORD m_dwLayoutSinkCookie;
-    FN_LAYOUTCHANGE m_fnLayoutChange;
+    union
+    {
+        UINT m_uFlags;
+        FN_LAYOUTCHANGE m_fnLayoutChange;
+    };
     FN_ENDEDIT m_fnEndEdit;
     LPVOID m_pCallbackPV;
 
@@ -742,18 +746,63 @@ STDMETHODIMP CTextEventSink::OnLayoutChange(
 }
 
 /**
- * @unimplemented
+ * @implemented
  */
 HRESULT CTextEventSink::_Advise(IUnknown *pUnknown, UINT uFlags)
 {
-    return E_NOTIMPL;
+    m_pUnknown = NULL;
+    m_uFlags = uFlags;
+
+    ITfSource *pSource = NULL;
+    HRESULT hr = pUnknown->QueryInterface(IID_ITfSource, (void**)&pSource);
+    if (SUCCEEDED(hr))
+    {
+        ITfTextEditSink *pSink = static_cast<ITfTextEditSink*>(this);
+        if (uFlags & 1)
+            hr = pSource->AdviseSink(IID_ITfTextEditSink, pSink,
&m_dwEditSinkCookie);
+        if (SUCCEEDED(hr) && (uFlags & 2))
+            hr = pSource->AdviseSink(IID_ITfTextLayoutSink, pSink,
&m_dwLayoutSinkCookie);
+
+        if (SUCCEEDED(hr))
+        {
+            m_pUnknown = pUnknown;
+            pUnknown->AddRef();
+        }
+        else
+        {
+            pSource->UnadviseSink(m_dwEditSinkCookie);
+        }
+    }
+
+    if (pSource)
+        pSource->Release();
+
+    return hr;
 }
 
 /**
- * @unimplemented
+ * @implemented
  */
 HRESULT CTextEventSink::_Unadvise()
 {
+    if (!m_pUnknown)
+        return E_FAIL;
+
+    ITfSource *pSource = NULL;
+    HRESULT hr = m_pUnknown->QueryInterface(IID_ITfSource, (void**)&pSource);
+    if (SUCCEEDED(hr))
+    {
+        if (m_uFlags & 1)
+            hr = pSource->UnadviseSink(m_dwEditSinkCookie);
+        if (m_uFlags & 2)
+            hr = pSource->UnadviseSink(m_dwLayoutSinkCookie);
+
+        pSource->Release();
+    }
+
+    m_pUnknown->Release();
+    m_pUnknown = NULL;
+
     return E_NOTIMPL;
 }
 
@@ -772,7 +821,7 @@ public:
     HIMC m_hIMC;
     ITfDocumentMgr *m_pDocumentMgr;
     ITfContext *m_pContext;
-    IUnknown *m_pUnknown1;
+    ITfContextOwnerServices *m_pContextOwnerServices;
     CInputContextOwnerCallBack *m_pICOwnerCallback;
     CTextEventSink *m_pTextEventSink;
     CCompartmentEventSink *m_pCompEventSink1;
@@ -988,14 +1037,14 @@ CicInputContext::DestroyInputContext()
 
     if (m_pCompEventSink2)
     {
-        //FIXME: m_pCompEventSink2->_Unadvise();
+        m_pCompEventSink2->_Unadvise();
         m_pCompEventSink2->Release();
         m_pCompEventSink2 = NULL;
     }
 
     if (m_pCompEventSink1)
     {
-        //FIXME: m_pCompEventSink1->_Unadvise();
+        m_pCompEventSink1->_Unadvise();
         m_pCompEventSink1->Release();
         m_pCompEventSink1 = NULL;
     }
@@ -1012,10 +1061,10 @@ CicInputContext::DestroyInputContext()
         m_pContext = NULL;
     }
 
-    if (m_pUnknown1)
+    if (m_pContextOwnerServices)
     {
-        m_pUnknown1->Release();
-        m_pUnknown1 = NULL;
+        m_pContextOwnerServices->Release();
+        m_pContextOwnerServices = NULL;
     }
 
     // FIXME: m_pICOwnerCallback