New method: InputMethod::IsCandidatePopupOpen()

ui/views/ime/input_method_win.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_VIEWS_IME_INPUT_METHOD_WIN_H_
 #define UI_VIEWS_IME_INPUT_METHOD_WIN_H_
 
 #include <windows.h>
 
 #include <string>
@@ skipping 26 matching lines @@
   virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
                                         NativeEventResult* result) OVERRIDE;
   virtual void DispatchKeyEvent(const ui::KeyEvent& key) OVERRIDE;
   virtual void OnTextInputTypeChanged(View* view) OVERRIDE;
   virtual void OnCaretBoundsChanged(View* view) OVERRIDE;
   virtual void CancelComposition(View* view) OVERRIDE;
   virtual void OnInputLocaleChanged() OVERRIDE;
   virtual std::string GetInputLocale() OVERRIDE;
   virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE;
   virtual bool IsActive() OVERRIDE;
+  virtual bool IsPopupOpen() const OVERRIDE;
 
   // Overridden from InputMethodBase.
   virtual ui::TextInputClient* GetTextInputClient() const OVERRIDE;
 
  private:
   LRESULT OnImeSetContext(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   LRESULT OnImeStartComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   LRESULT OnImeComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   LRESULT OnImeEndComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   LRESULT OnImeRequest(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
+  LRESULT OnImeNotify(
+      UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   // For both WM_CHAR and WM_SYSCHAR
   LRESULT OnChar(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   // For both WM_DEADCHAR and WM_SYSDEADCHAR
   LRESULT OnDeadChar(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
 
   LRESULT OnDocumentFeed(RECONVERTSTRING *reconv);
   LRESULT OnReconvertString(RECONVERTSTRING *reconv);
   LRESULT OnQueryCharPosition(IMECHARPOSITION *char_positon);
 
   // Overridden from InputMethodBase.
   virtual void OnWillChangeFocus(View* focused_before, View* focused) OVERRIDE;
   virtual void OnDidChangeFocus(View* focused_before, View* focused) OVERRIDE;
 
   // Asks the client to confirm current composition text.
   void ConfirmCompositionText();
 
   // Enables or disables the IME according to the current text input type.
   void UpdateIMEState();
 
   // The HWND this InputMethod is bound to.
   HWND hwnd_;
 
   // Indicates if the current input locale has an IME.
   bool active_;
 
+  // True if a candidate window (or IME suggest, etc.) is open.
+  // False if not or unsure.
+  bool is_popup_open_;
+
   // Name of the current input locale.
   std::string locale_;
 
   // The current input text direction.
   base::i18n::TextDirection direction_;
 
   // The new text direction and layout alignment requested by the user by
   // pressing ctrl-shift. It'll be sent to the text input client when the key
   // is released.
   base::i18n::TextDirection pending_requested_direction_;
 
   // Windows IMM32 wrapper.
   // (See "ui/base/win/ime_input.h" for its details.)
   ui::ImeInput ime_input_;
 
   ui::InputMethod* const host_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_IME_INPUT_METHOD_WIN_H_