Remove views::InputMethodIBus.

ui/views/ime/input_method_ibus.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_IBUS_H_
-#define UI_VIEWS_IME_INPUT_METHOD_IBUS_H_
-#pragma once
-
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/base/glib/glib_integers.h"
-#include "ui/base/glib/glib_signal.h"
-#include "ui/base/ime/character_composer.h"
-#include "ui/base/ime/composition_text.h"
-#include "ui/base/ime/text_input_client.h"
-#include "ui/views/events/event.h"
-#include "ui/views/ime/input_method_base.h"
-#include "ui/views/view.h"
-
-// Forward declarations, so that we don't need to include ibus.h in this file.
-typedef struct _GAsyncResult GAsyncResult;
-typedef struct _IBusBus IBusBus;
-typedef struct _IBusInputContext IBusInputContext;
-typedef struct _IBusText IBusText;
-
-namespace views {
-
-// An InputMethod implementation based on IBus.
-// TODO(yusukes): Remove this class when TOUCH_UI migrates to Aura. For Aura,
-// ui/base/ime/input_method_* classes are available.
-class InputMethodIBus : public InputMethodBase {
- public:
-  explicit InputMethodIBus(internal::InputMethodDelegate* delegate);
-  virtual ~InputMethodIBus();
-
-  // Overridden from InputMethod:
-  virtual void Init(Widget* widget) OVERRIDE;
-  virtual void OnFocus() OVERRIDE;
-  virtual void OnBlur() OVERRIDE;
-  virtual void DispatchKeyEvent(const KeyEvent& key) OVERRIDE;
-  virtual void OnTextInputTypeChanged(View* view) OVERRIDE;
-  virtual void OnCaretBoundsChanged(View* view) OVERRIDE;
-  virtual void CancelComposition(View* view) OVERRIDE;
-  virtual std::string GetInputLocale() OVERRIDE;
-  virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE;
-  virtual bool IsActive() OVERRIDE;
-
-  // Returns true when
-  // 1) built with GYP_DEFINES="touchui=1" or,
-  // 2) enabled by SetEnabledInputMethodIBus or,
-  // 3) enabled by command line flag "--enable-inputmethod-ibus"
-  static bool IsInputMethodIBusEnabled();
-  // Enable/Disable InputMethodIBus
-  static void SetEnableInputMethodIBus(bool enabled);
-
- private:
-  // A class to hold all data related to a key event being processed by the
-  // input method but still has no result back yet.
-  class PendingKeyEvent;
-
-  // A class to hold information of a pending request for creating an ibus input
-  // context.
-  class PendingCreateICRequest;
-
-  // Overridden from InputMethodBase:
-  virtual void OnWillChangeFocus(View* focused_before, View* focused) OVERRIDE;
-  virtual void OnDidChangeFocus(View* focused_before, View* focused) OVERRIDE;
-
-  // Creates |context_| instance asynchronously.
-  void CreateContext();
-
-  // Sets |context_| and hooks necessary signals.
-  void SetContext(IBusInputContext* ic);
-
-  // Destroys |context_| instance.
-  void DestroyContext();
-
-  // Asks the client to confirm current composition text.
-  void ConfirmCompositionText();
-
-  // Resets |context_| and abandon all pending results and key events.
-  void ResetContext();
-
-  // Checks the availability of focused text input client and update focus state
-  // of |context_| and |context_simple_| accordingly.
-  void UpdateContextFocusState();
-
-  // Process a key returned from the input method.
-  void ProcessKeyEventPostIME(const KeyEvent& key, guint32 ibus_keycode,
-                              bool handled);
-
-  // Processes a key event that was already filtered by the input method.
-  // A VKEY_PROCESSKEY may be dispatched to the focused View.
-  void ProcessFilteredKeyPressEvent(const KeyEvent& key);
-
-  // Processes a key event that was not filtered by the input method.
-  void ProcessUnfilteredKeyPressEvent(const KeyEvent& key,
-                                      guint32 ibus_keycode);
-
-  // Sends input method result caused by the given key event to the focused text
-  // input client.
-  void ProcessInputMethodResult(const KeyEvent& key, bool filtered);
-
-  // Checks if the pending input method result needs inserting into the focused
-  // text input client as a single character.
-  bool NeedInsertChar() const;
-
-  // Checks if there is pending input method result.
-  bool HasInputMethodResult() const;
-
-  // Fabricates a key event with VKEY_PROCESSKEY key code and dispatches it to
-  // the focused View.
-  void SendFakeProcessKeyEvent(bool pressed) const;
-
-  // Called when a pending key event has finished. The event will be removed
-  // from |pending_key_events_|.
-  void FinishPendingKeyEvent(PendingKeyEvent* pending_key);
-
-  // Abandons all pending key events. It usually happends when we lose keyboard
-  // focus, the text input type is changed or we are destroyed.
-  void AbandonAllPendingKeyEvents();
-
-  // Event handlers for IBusInputContext:
-  CHROMEG_CALLBACK_1(InputMethodIBus, void, OnCommitText,
-                     IBusInputContext*, IBusText*);
-  CHROMEG_CALLBACK_3(InputMethodIBus, void, OnForwardKeyEvent,
-                     IBusInputContext*, guint, guint, guint);
-  CHROMEG_CALLBACK_0(InputMethodIBus, void, OnShowPreeditText,
-                     IBusInputContext*);
-  CHROMEG_CALLBACK_3(InputMethodIBus, void, OnUpdatePreeditText,
-                     IBusInputContext*, IBusText*, guint, gboolean);
-  CHROMEG_CALLBACK_0(InputMethodIBus, void, OnHidePreeditText,
-                     IBusInputContext*);
-  CHROMEG_CALLBACK_0(InputMethodIBus, void, OnDestroy, IBusInputContext*);
-
-  // Event handlers for IBusBus:
-  CHROMEG_CALLBACK_0(InputMethodIBus, void, OnIBusConnected, IBusBus*);
-  CHROMEG_CALLBACK_0(InputMethodIBus, void, OnIBusDisconnected, IBusBus*);
-
-  // Returns the global IBusBus instance.
-  static IBusBus* GetIBus();
-
-  // Callback function for ibus_input_context_process_key_event_async().
-  static void ProcessKeyEventDone(IBusInputContext* context,
-                                  GAsyncResult* res,
-                                  PendingKeyEvent* data);
-
-  // Callback function for ibus_bus_create_input_context_async().
-  static void CreateInputContextDone(IBusBus* bus,
-                                     GAsyncResult* res,
-                                     PendingCreateICRequest* data);
-
-  // The input context for actual text input.
-  IBusInputContext* context_;
-
-  // All pending key events. Note: we do not own these object, we just save
-  // pointers to these object so that we can abandon them when necessary.
-  // They will be deleted in ProcessKeyEventDone().
-  std::set<PendingKeyEvent*> pending_key_events_;
-
-  // The pending request for creating the |context_| instance. We need to keep
-  // this pointer so that we can receive or abandon the result.
-  PendingCreateICRequest* pending_create_ic_request_;
-
-  // Pending composition text generated by the current pending key event.
-  // It'll be sent to the focused text input client as soon as we receive the
-  // processing result of the pending key event.
-  ui::CompositionText composition_;
-
-  // Pending result text generated by the current pending key event.
-  // It'll be sent to the focused text input client as soon as we receive the
-  // processing result of the pending key event.
-  string16 result_text_;
-
-  // Indicates if |context_| and |context_simple_| are focused or not.
-  bool context_focused_;
-
-  // Indicates if there is an ongoing composition text.
-  bool composing_text_;
-
-  // Indicates if the composition text is changed or deleted.
-  bool composition_changed_;
-
-  // If it's true then all input method result received before the next key
-  // event will be discarded.
-  bool suppress_next_result_;
-
-  // An object to compose a character from a sequence of key presses
-  // including dead key etc.
-  ui::CharacterComposer character_composer_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputMethodIBus);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_IME_INPUT_METHOD_IBUS_H_