/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_textinputdispatcherlistener_h_
#define mozilla_textinputdispatcherlistener_h_

#include "nsWeakReference.h"

namespace mozilla {
namespace widget {

class TextEventDispatcher;
struct IMENotification;

#define NS_TEXT_INPUT_PROXY_LISTENER_IID \
{ 0xf2226f55, 0x6ddb, 0x40d5, \
  { 0x8a, 0x24, 0xce, 0x4d, 0x5b, 0x38, 0x15, 0xf0 } };

class TextEventDispatcherListener : public nsSupportsWeakReference
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_TEXT_INPUT_PROXY_LISTENER_IID)

  /**
   * NotifyIME() is called by TextEventDispatcher::NotifyIME().  This is a
   * notification or request to IME.  See document of nsIWidget::NotifyIME()
   * for the detail.
   */
  NS_IMETHOD NotifyIME(TextEventDispatcher* aTextEventDispatcher,
                       const IMENotification& aNotification) = 0;

  /**
   * OnRemovedFrom() is called when the TextEventDispatcher stops working and
   * is releasing the listener.
   */
  NS_IMETHOD_(void) OnRemovedFrom(
                      TextEventDispatcher* aTextEventDispatcher) = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(TextEventDispatcherListener,
                              NS_TEXT_INPUT_PROXY_LISTENER_IID)

} // namespace widget
} // namespace mozilla

#endif // #ifndef mozilla_textinputdispatcherlistener_h_