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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsCommandManager_h__
#define nsCommandManager_h__

#include "nsString.h"
#include "nsClassHashtable.h"
#include "nsWeakReference.h"

#include "nsICommandManager.h"
#include "nsPICommandUpdater.h"
#include "nsCycleCollectionParticipant.h"

class nsIController;
template<class E> class nsCOMArray;

class nsCommandManager
  : public nsICommandManager
  , public nsPICommandUpdater
  , public nsSupportsWeakReference
{
public:
  typedef nsTArray<nsCOMPtr<nsIObserver> > ObserverList;

  nsCommandManager();

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCommandManager, nsICommandManager)

  NS_DECL_NSICOMMANDMANAGER
  NS_DECL_NSPICOMMANDUPDATER

protected:
  virtual ~nsCommandManager();

  nsresult GetControllerForCommand(const char* aCommand,
                                   mozIDOMWindowProxy* aDirectedToThisWindow,
                                   nsIController** aResult);

protected:
  nsClassHashtable<nsCharPtrHashKey, ObserverList> mObserversTable;

  mozIDOMWindowProxy* mWindow; // weak ptr. The window should always outlive us
};

#endif // nsCommandManager_h__