WinTextEventDispatcherListener.h

Enable keyboard shortcuts

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 WinTextEventDispatcherListener_h_

#define WinTextEventDispatcherListener_h_

#include "mozilla/Attributes.h"

#include "mozilla/StaticPtr.h"

#include "mozilla/TextEventDispatcherListener.h"

namespace mozilla {

namespace widget {

/**

 * On Windows, it's enough TextEventDispatcherListener to be a singleton

 * because we have only one input context per process (IMM can create

 * multiple IM context but we don't support such behavior).

*/

class WinTextEventDispatcherListener final

    : public TextEventDispatcherListener {

 public:

  static WinTextEventDispatcherListener* GetInstance();

  static void Shutdown();

  NS_DECL_ISUPPORTS

  NS_IMETHOD NotifyIME(TextEventDispatcher* aTextEventDispatcher,

                       const IMENotification& aNotification) override;

  NS_IMETHOD_(IMENotificationRequests) GetIMENotificationRequests() override;

  NS_IMETHOD_(void)

  OnRemovedFrom(TextEventDispatcher* aTextEventDispatcher) override;

  NS_IMETHOD_(void)

  WillDispatchKeyboardEvent(TextEventDispatcher* aTextEventDispatcher,

                            WidgetKeyboardEvent& aKeyboardEvent,

                            uint32_t aIndexOfKeypress, void* aData) override;

 private:

  WinTextEventDispatcherListener();

  virtual ~WinTextEventDispatcherListener();

  static StaticRefPtr<WinTextEventDispatcherListener> sInstance;

};

}  // namespace widget

}  // namespace mozilla

#endif  // #ifndef WinTextEventDispatcherListener_h_