[FYI] All-in-one OnCandidateWindow{Show,Update,Hide}

ui/base/ime/win/tsf_bridge.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <msctf.h>
 
 #include <map>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 28 matching lines @@
   virtual void OnTextInputTypeChanged(const TextInputClient* client) OVERRIDE;
   virtual void OnTextLayoutChanged() OVERRIDE;
   virtual bool CancelComposition() OVERRIDE;
   virtual bool ConfirmComposition() OVERRIDE;
   virtual void SetFocusedClient(HWND focused_window,
                                 TextInputClient* client) OVERRIDE;
   virtual void RemoveFocusedClient(TextInputClient* client) OVERRIDE;
   virtual base::win::ScopedComPtr<ITfThreadMgr> GetThreadManager() OVERRIDE;
   virtual TextInputClient* GetFocusedTextInputClient() const OVERRIDE;
 
+  virtual void OnCandidateWindowShow() OVERRIDE;
+  virtual void OnCandidateWindowUpdate() OVERRIDE;
+  virtual void OnCandidateWindowHide() OVERRIDE;
+
  private:
   // Returns true if |tsf_document_map_| is successfully initialized. This
   // method should be called from and only from Initialize().
   bool InitializeDocumentMapInternal();
 
   // Returns true if |context| is successfully updated to be a disabled
   // context, where an IME should be deactivated. This is suitable for some
   // special input context such as password fields.
   bool InitializeDisabledContext(ITfContext* context);
 
@@ skipping 418 matching lines @@
   if (it == tsf_document_map_.end()) {
     it = tsf_document_map_.find(TEXT_INPUT_TYPE_TEXT);
     // This check is necessary because it's possible that we failed to
     // initialize |tsf_document_map_| and it has no TEXT_INPUT_TYPE_TEXT.
     if (it == tsf_document_map_.end())
       return NULL;
   }
   return &it->second;
 }
 
+void TSFBridgeDelegate::OnCandidateWindowShow() {
+  TextInputClient* client = GetFocusedTextInputClient();
+  if (client)
+    client->OnCandidateWindowShow();
+}
+
+void TSFBridgeDelegate::OnCandidateWindowUpdate() {
+  TextInputClient* client = GetFocusedTextInputClient();
+  if (client)
+    client->OnCandidateWindowUpdate();
+}
+
+void TSFBridgeDelegate::OnCandidateWindowHide() {
+  TextInputClient* client = GetFocusedTextInputClient();
+  if (client)
+    client->OnCandidateWindowHide();
+}
+
 }  // namespace
 
 
 // TsfBridge  -----------------------------------------------------------------
 
 TSFBridge::TSFBridge() {
 }
 
 TSFBridge::~TSFBridge() {
 }
@@ skipping 52 matching lines @@
   return delegate;
 }
 
 // static
 void TSFBridge::Finalize(void* data) {
   TSFBridgeDelegate* delegate = static_cast<TSFBridgeDelegate*>(data);
   delete delegate;
 }
 
 }  // namespace ui