WIP: Ash IME support

win8/metro_driver/ime/language_profile_observer.h

+// Copyright (c) 2013 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 WIN8_METRO_DRIVER_IME_LANGUAGE_PROFILE_OBSERVER_H_
+#define WIN8_METRO_DRIVER_IME_LANGUAGE_PROFILE_OBSERVER_H_
+
+#include <Windows.h>
+
+#include "base/basictypes.h"
+
+namespace metro_driver {
+
+// An Observer interface implemented by objects that want to be informed when
+// the active language profile is changed.
+class LanguageProfileObserver {
+ public:
+  virtual ~LanguageProfileObserver() {}
+
+  // Called when the active language profile is changed.
+  virtual void OnInputSourceChanged(LANGID langid, bool is_ime) = 0;
+};
+
+}  // namespace metro_driver
+
+#endif  // WIN8_METRO_DRIVER_IME_LANGUAGE_PROFILE_OBSERVER_H_