Upstream version 7.35.139.0

[platform/framework/web/crosswalk.git] / src / chromeos / ime / xkeyboard.h

diff --git a/src/chromeos/ime/xkeyboard.h b/src/chromeos/ime/xkeyboard.h
index b07e4f4..ad2cbc7 100644 (file)
--- a/src/chromeos/ime/xkeyboard.h
+++ b/src/chromeos/ime/xkeyboard.h
@@ -36,8 +36,18 @@ class InputMethodUtil;
 
 class CHROMEOS_EXPORT XKeyboard {
  public:
+  class Observer {
+   public:
+    // Called when the caps lock state has changed.
+    virtual void OnCapsLockChanged(bool enabled) = 0;
+  };
+
   virtual ~XKeyboard() {}
 
+  // Adds/removes observer.
+  virtual void AddObserver(Observer* observer) = 0;
+  virtual void RemoveObserver(Observer* observer) = 0;
+
   // 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(