chrome/browser/chromeos/input_method/ refactoring [part 6 of 6]

chrome/browser/chromeos/input_method/browser_state_monitor.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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_BROWSER_STATE_MONITOR_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_BROWSER_STATE_MONITOR_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_types.h"
 
 namespace chromeos {
 namespace input_method {
 
 // A class which monitors a notification from the browser to keep track of the
 // browser state (not logged in, logged in, etc.) and notify the current state
 // to the input method manager. The class also updates the appropriate Chrome
 // prefs (~/Local\ State or ~/Preferences) depending on the current browser
 // state.
-class BrowserStateMonitor
-    : public content::NotificationObserver,
-      public input_method::InputMethodManager::Observer {
+class BrowserStateMonitor : public content::NotificationObserver,
+                            public InputMethodManager::Observer {
  public:
   explicit BrowserStateMonitor(InputMethodManager* manager);
   virtual ~BrowserStateMonitor();
 
+  InputMethodManager::State state() const { return state_; }
+
+  void SetPrefServiceForTesting(PrefService* pref_service);
+
  protected:
   // Updates ~/Local\ State file. protected: for testing.
   virtual void UpdateLocalState(const std::string& current_input_method);
   // Updates ~/Preferences file. protected: for testing.
   virtual void UpdateUserPreferences(const std::string& current_input_method);
 
- private:
-  // InputMethodManager::Observer implementation.
-  virtual void InputMethodChanged(
-      InputMethodManager* manager,
-      const InputMethodDescriptor& current_input_method,
-      size_t num_active_input_methods) OVERRIDE;
-  virtual void ActiveInputMethodsChanged(
-      InputMethodManager* manager,
-      const InputMethodDescriptor& current_input_method,
-      size_t num_active_input_methods) OVERRIDE {}
-  virtual void PropertyListChanged(
-      InputMethodManager* manager,
-      const InputMethodPropertyList& current_ime_properties) OVERRIDE {}
+  // InputMethodManager::Observer overrides:
+  virtual void InputMethodChanged(InputMethodManager* manager) OVERRIDE;
+  virtual void InputMethodPropertyChanged(InputMethodManager* manager) OVERRIDE;
 
   // content::NotificationObserver overrides:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+ private:
   void SetState(InputMethodManager::State new_state);
   void InitializePrefMembers();
 
   InputMethodManager* manager_;
   InputMethodManager::State state_;
 
   // Objects for updating the Chrome prefs.
   StringPrefMember previous_input_method_pref_;
   StringPrefMember current_input_method_pref_;
   bool initialized_;
 
   // This is used to register this object to some browser notifications.
   content::NotificationRegistrar notification_registrar_;
 
+  // For testing.
+  PrefService* pref_service_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserStateMonitor);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_BROWSER_STATE_MONITOR_H_