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// Copyright 2014 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_NULL_INPUT_METHOD_H_
#define UI_VIEWS_IME_NULL_INPUT_METHOD_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "ui/views/ime/input_method.h"
namespace views {
// An implementation of views::InputMethod which does nothing.
//
// We're working on removing views::InputMethod{,Base,Bridge} and going to use
// only ui::InputMethod. Use this class instead of views::InputMethodBridge
// with ui::TextInputFocusManager to effectively eliminate the
// views::InputMethod layer.
class NullInputMethod : public InputMethod {
public:
NullInputMethod();
// Overridden from InputMethod:
void SetDelegate(internal::InputMethodDelegate* delegate) override;
void Init(Widget* widget) override;
void OnFocus() override;
void OnBlur() override;
bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
NativeEventResult* result) override;
void DispatchKeyEvent(const ui::KeyEvent& key) override;
void OnTextInputTypeChanged(View* view) override;
void OnCaretBoundsChanged(View* view) override;
void CancelComposition(View* view) override;
void OnInputLocaleChanged() override;
std::string GetInputLocale() override;
bool IsActive() override;
ui::TextInputClient* GetTextInputClient() const override;
ui::TextInputType GetTextInputType() const override;
bool IsCandidatePopupOpen() const override;
void ShowImeIfNeeded() override;
bool IsMock() const override;
private:
DISALLOW_COPY_AND_ASSIGN(NullInputMethod);
};
} // namespace views
#endif // UI_VIEWS_IME_NULL_INPUT_METHOD_H_
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