Moves code from chromeos/ime to ui/base/ime/chromeos.

chromeos/ime/ime_keyboard.h

-// 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 CHROMEOS_IME_IME_KEYBOARD_H_
-#define CHROMEOS_IME_IME_KEYBOARD_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/observer_list.h"
-#include "chromeos/chromeos_export.h"
-
-namespace chromeos {
-namespace input_method {
-
-struct AutoRepeatRate {
-  AutoRepeatRate() : initial_delay_in_ms(0), repeat_interval_in_ms(0) {}
-  unsigned int initial_delay_in_ms;
-  unsigned int repeat_interval_in_ms;
-};
-
-enum ModifierKey {
-  kSearchKey = 0,  // Customizable.
-  kControlKey,  // Customizable.
-  kAltKey,  // Customizable.
-  kVoidKey,
-  kCapsLockKey,
-  kEscapeKey,
-  // IMPORTANT: You should update kCustomizableKeys[] in .cc file, if you
-  // add a customizable key.
-  kNumModifierKeys,
-};
-
-class InputMethodUtil;
-
-class CHROMEOS_EXPORT ImeKeyboard {
- public:
-  class Observer {
-   public:
-    // Called when the caps lock state has changed.
-    virtual void OnCapsLockChanged(bool enabled) = 0;
-  };
-
-  ImeKeyboard();
-  virtual ~ImeKeyboard();
-  // Adds/removes observer.
-  virtual void AddObserver(Observer* observer);
-  virtual void RemoveObserver(Observer* observer);
-
-  // Sets the current keyboard layout to |layout_name|. This function does not
-  // change the current mapping of the modifier keys. Returns true on success.
-  virtual bool SetCurrentKeyboardLayoutByName(
-      const std::string& layout_name) = 0;
-
-  // Sets the current keyboard layout again. We have to call the function every
-  // time when "XI_HierarchyChanged" XInput2 event is sent to Chrome. See
-  // xinput_hierarchy_changed_event_listener.h for details.
-  virtual bool ReapplyCurrentKeyboardLayout() = 0;
-
-  // Updates keyboard LEDs on all keyboards.
-  // XKB asymmetrically propagates keyboard modifier indicator state changes to
-  // slave keyboards. If the state change is initiated from a client to the
-  // "core/master keyboard", XKB changes global state and pushes an indication
-  // change down to all keyboards. If the state change is initiated by one slave
-  // (physical) keyboard, it changes global state but only pushes an indicator
-  // state change down to that one keyboard.
-  // This function changes LEDs on all keyboards by explicitly updating the
-  // core/master keyboard.
-  virtual void ReapplyCurrentModifierLockStatus() = 0;
-
-  // Disables the num lock.
-  virtual void DisableNumLock() = 0;
-
-  // Sets the caps lock status to |enable_caps_lock|. Do not call the function
-  // from non-UI threads.
-  virtual void SetCapsLockEnabled(bool enable_caps_lock);
-
-  // Returns true if caps lock is enabled. Do not call the function from non-UI
-  // threads.
-  virtual bool CapsLockIsEnabled();
-
-  // Returns true if the current layout supports ISO Level 5 shift.
-  virtual bool IsISOLevel5ShiftAvailable() const;
-
-  // Returns true if the current layout supports alt gr.
-  virtual bool IsAltGrAvailable() const;
-
-  // Turns on and off the auto-repeat of the keyboard. Returns true on success.
-  // Do not call the function from non-UI threads.
-  virtual bool SetAutoRepeatEnabled(bool enabled) = 0;
-
-  // Sets the auto-repeat rate of the keyboard, initial delay in ms, and repeat
-  // interval in ms.  Returns true on success. Do not call the function from
-  // non-UI threads.
-  virtual bool SetAutoRepeatRate(const AutoRepeatRate& rate) = 0;
-
-  // Returns true if auto repeat is enabled. This function is protected: for
-  // testability.
-  static CHROMEOS_EXPORT bool GetAutoRepeatEnabledForTesting();
-
-  // On success, set current auto repeat rate on |out_rate| and returns true.
-  // Returns false otherwise. This function is protected: for testability.
-  static CHROMEOS_EXPORT bool GetAutoRepeatRateForTesting(
-      AutoRepeatRate* out_rate);
-
-  // Returns false if |layout_name| contains a bad character.
-  static CHROMEOS_EXPORT bool CheckLayoutNameForTesting(
-      const std::string& layout_name);
-
-  // Note: At this moment, classes other than InputMethodManager should not
-  // instantiate the ImeKeyboard class.
-  static ImeKeyboard* Create();
-
-  bool caps_lock_is_enabled_;
-  std::string last_layout_;
-
- private:
-  ObserverList<Observer> observers_;
-};
-
-}  // namespace input_method
-}  // namespace chromeos
-
-#endif  // CHROMEOS_IME_IME_KEYBOARD_H_