Remove the 2-level input method system & InputMethodBridge.

ui/views/ime/input_method_bridge.h

-// 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.
-
-#ifndef UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_
-#define UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/base/ime/text_input_client.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/views/ime/input_method_base.h"
-
-namespace ui {
-class InputMethod;
-}  // namespace ui
-
-namespace views {
-
-class View;
-
-// A "bridge" InputMethod implementation for views top-level widgets, which just
-// sends/receives IME related events to/from a system-wide ui::InputMethod
-// object.
-class InputMethodBridge : public InputMethodBase,
-                          public ui::TextInputClient {
- public:
-  // |shared_input_method| indicates if |host| is shared among other top level
-  // widgets.
-  InputMethodBridge(internal::InputMethodDelegate* delegate,
-                    ui::InputMethod* host,
-                    bool shared_input_method);
-  ~InputMethodBridge() override;
-
-  // Overridden from InputMethod:
-  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;
-  bool IsCandidatePopupOpen() const override;
-  void ShowImeIfNeeded() override;
-
-  // Overridden from TextInputClient:
-  void SetCompositionText(const ui::CompositionText& composition) override;
-  void ConfirmCompositionText() override;
-  void ClearCompositionText() override;
-  void InsertText(const base::string16& text) override;
-  void InsertChar(base::char16 ch, int flags) override;
-  gfx::NativeWindow GetAttachedWindow() const override;
-  ui::TextInputType GetTextInputType() const override;
-  ui::TextInputMode GetTextInputMode() const override;
-  int GetTextInputFlags() const override;
-  bool CanComposeInline() const override;
-  gfx::Rect GetCaretBounds() const override;
-  bool GetCompositionCharacterBounds(uint32 index,
-                                     gfx::Rect* rect) const override;
-  bool HasCompositionText() const override;
-  bool GetTextRange(gfx::Range* range) const override;
-  bool GetCompositionTextRange(gfx::Range* range) const override;
-  bool GetSelectionRange(gfx::Range* range) const override;
-  bool SetSelectionRange(const gfx::Range& range) override;
-  bool DeleteRange(const gfx::Range& range) override;
-  bool GetTextFromRange(const gfx::Range& range,
-                        base::string16* text) const override;
-  void OnInputMethodChanged() override;
-  bool ChangeTextDirectionAndLayoutAlignment(
-      base::i18n::TextDirection direction) override;
-  void ExtendSelectionAndDelete(size_t before, size_t after) override;
-  void EnsureCaretInRect(const gfx::Rect& rect) override;
-  bool IsEditCommandEnabled(int command_id) override;
-  void SetEditCommandForNextKeyEvent(int command_id) override;
-
-  // Overridden from FocusChangeListener.
-  void OnWillChangeFocus(View* focused_before, View* focused) override;
-  void OnDidChangeFocus(View* focused_before, View* focused) override;
-
-  ui::InputMethod* GetHostInputMethod() const;
-
- private:
-  class HostObserver;
-
-  void UpdateViewFocusState();
-
-  ui::InputMethod* host_;
-
-  // An observer observing the host input method for cases that the host input
-  // method is destroyed before this bridge input method.
-  scoped_ptr<HostObserver> host_observer_;
-
-  const bool shared_input_method_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputMethodBridge);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_