It is time.

ui/base/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_BASE_IME_INPUT_METHOD_WIN_H_
-#define UI_BASE_IME_INPUT_METHOD_WIN_H_
-
-#include <windows.h>
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/base/ime/input_method_base.h"
-#include "ui/base/ime/win/imm32_manager.h"
-
-namespace ui {
-
-// A common InputMethod implementation based on IMM32.
-class UI_BASE_EXPORT InputMethodWin : public InputMethodBase {
- public:
-  InputMethodWin(internal::InputMethodDelegate* delegate,
-                 HWND toplevel_window_handle);
-
-  // Overridden from InputMethod:
-  virtual void Init(bool focused) override;
-  virtual void OnFocus() override;
-  virtual void OnBlur() override;
-  virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
-                                        NativeEventResult* result) override;
-  virtual bool DispatchKeyEvent(const ui::KeyEvent& event) override;
-  virtual void OnTextInputTypeChanged(const TextInputClient* client) override;
-  virtual void OnCaretBoundsChanged(const TextInputClient* client) override;
-  virtual void CancelComposition(const TextInputClient* client) override;
-  virtual void OnInputLocaleChanged() override;
-  virtual std::string GetInputLocale() override;
-  virtual bool IsActive() override;
-  virtual bool IsCandidatePopupOpen() const override;
-
- protected:
-  // Overridden from InputMethodBase:
-  // If a derived class overrides this method, it should call parent's
-  // implementation.
-  virtual void OnWillChangeFocusedClient(TextInputClient* focused_before,
-                                         TextInputClient* focused) override;
-  virtual void OnDidChangeFocusedClient(TextInputClient* focused_before,
-                                        TextInputClient* focused) override;
-
- private:
-  // For both WM_CHAR and WM_SYSCHAR
-  LRESULT OnChar(HWND window_handle,
-                 UINT message,
-                 WPARAM wparam,
-                 LPARAM lparam,
-                 BOOL* handled);
-
-  LRESULT OnImeSetContext(HWND window_handle,
-                          UINT message,
-                          WPARAM wparam,
-                          LPARAM lparam,
-                          BOOL* handled);
-  LRESULT OnImeStartComposition(HWND window_handle,
-                                UINT message,
-                                WPARAM wparam,
-                                LPARAM lparam,
-                                BOOL* handled);
-  LRESULT OnImeComposition(HWND window_handle,
-                           UINT message,
-                           WPARAM wparam,
-                           LPARAM lparam,
-                           BOOL* handled);
-  LRESULT OnImeEndComposition(HWND window_handle,
-                              UINT message,
-                              WPARAM wparam,
-                              LPARAM lparam,
-                              BOOL* handled);
-  LRESULT OnImeNotify(UINT message,
-                      WPARAM wparam,
-                      LPARAM lparam,
-                      BOOL* handled);
-
-  // Some IMEs rely on WM_IME_REQUEST message even when TSF is enabled. So
-  // OnImeRequest (and its actual implementations as OnDocumentFeed,
-  // OnReconvertString, and OnQueryCharPosition) are placed in this base class.
-  LRESULT OnImeRequest(UINT message,
-                       WPARAM wparam,
-                       LPARAM lparam,
-                       BOOL* handled);
-  LRESULT OnDocumentFeed(RECONVERTSTRING* reconv);
-  LRESULT OnReconvertString(RECONVERTSTRING* reconv);
-  LRESULT OnQueryCharPosition(IMECHARPOSITION* char_positon);
-
-  // Returns the window handle to which |text_input_client| is bound.
-  // On Aura environment, |toplevel_window_handle_| is always returned.
-  HWND GetAttachedWindowHandle(const TextInputClient* text_input_client) const;
-
-  // Returns true if the Win32 native window bound to |client| is considered
-  // to be ready for receiving keyboard input.
-  bool IsWindowFocused(const TextInputClient* client) const;
-
-  bool DispatchFabricatedKeyEvent(const ui::KeyEvent& event);
-
-  // Asks the client to confirm current composition text.
-  void ConfirmCompositionText();
-
-  // Enables or disables the IME according to the current text input type.
-  void UpdateIMEState();
-
-  // Windows IMM32 wrapper.
-  // (See "ui/base/ime/win/ime_input.h" for its details.)
-  ui::IMM32Manager imm32_manager_;
-
-  // The toplevel window handle.
-  // On non-Aura environment, this value is not used and always NULL.
-  const HWND toplevel_window_handle_;
-
-  // Name of the current input locale.
-  std::string locale_;
-
-  // 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_;
-
-  // Represents if WM_CHAR[wparam=='\r'] should be dispatched to the focused
-  // text input client or ignored silently. This flag is introduced as a quick
-  // workaround against crbug.com/319100
-  // TODO(yukawa, IME): Figure out long-term solution.
-  bool accept_carriage_return_;
-
-  // Indicates if the current input locale has an IME.
-  bool active_;
-
-  // True when an IME should be allowed to process key events.
-  bool enabled_;
-
-  // True if we know for sure that a candidate window is open.
-  bool is_candidate_popup_open_;
-
-  // Window handle where composition is on-going. NULL when there is no
-  // composition.
-  HWND composing_window_handle_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputMethodWin);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_IME_INPUT_METHOD_WIN_H_