blob: aa53ec068a108b8f5198c9d93f699f4fd524940e [file] [log] [blame]
// Copyright 2018 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 <windows.h>
#include <string>
#include "ui/base/ime/input_method_win_base.h"
namespace ui {
class TSFEventRouter;
// An InputMethod implementation based on Windows TSF API.
class UI_BASE_IME_EXPORT InputMethodWinTSF : public InputMethodWinBase {
InputMethodWinTSF(internal::InputMethodDelegate* delegate,
HWND toplevel_window_handle);
~InputMethodWinTSF() override;
// Overridden from InputMethod:
void OnFocus() override;
void OnBlur() override;
bool OnUntranslatedIMEMessage(const MSG event,
NativeEventResult* result) override;
void OnTextInputTypeChanged(const TextInputClient* client) override;
void OnCaretBoundsChanged(const TextInputClient* client) override;
void CancelComposition(const TextInputClient* client) override;
void DetachTextInputClient(TextInputClient* client) override;
bool IsCandidatePopupOpen() const override;
// Overridden from InputMethodBase:
void OnWillChangeFocusedClient(TextInputClient* focused_before,
TextInputClient* focused) override;
void OnDidChangeFocusedClient(TextInputClient* focused_before,
TextInputClient* focused) override;
class TSFEventObserver;
// Asks the client to confirm current composition text.
void ConfirmCompositionText();
// TSF event router and observer.
std::unique_ptr<TSFEventObserver> tsf_event_observer_;
std::unique_ptr<TSFEventRouter> tsf_event_router_;
} // namespace ui