nsXULCommandDispatcher.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/. */

/*

   This is the focus manager for XUL documents.

*/

#ifndef nsXULCommandDispatcher_h__

#define nsXULCommandDispatcher_h__

#include "nsCOMPtr.h"

#include "nsIDOMXULCommandDispatcher.h"

#include "nsWeakReference.h"

#include "nsString.h"

#include "nsCycleCollectionParticipant.h"

#include "nsTArray.h"

#include "mozilla/RefPtr.h"

class nsPIDOMWindowOuter;

class nsPIWindowRoot;

namespace mozilla::dom {

class Document;

class Element;

}  // namespace mozilla::dom

class nsXULCommandDispatcher : public nsIDOMXULCommandDispatcher,

                               public nsSupportsWeakReference {

  using Document = mozilla::dom::Document;

  using Element = mozilla::dom::Element;

 public:

  explicit nsXULCommandDispatcher(Document* aDocument);

  // nsISupports

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULCommandDispatcher,

                                           nsIDOMXULCommandDispatcher)

  // nsIDOMXULCommandDispatcher interface

  NS_DECL_NSIDOMXULCOMMANDDISPATCHER

  void Disconnect();

 protected:

  virtual ~nsXULCommandDispatcher();

  already_AddRefed<nsPIWindowRoot> GetWindowRoot();

  Element* GetRootFocusedContentAndWindow(nsPIDOMWindowOuter** aWindow);

  nsresult MoveFocusIntoSubtree(Element*, bool aForward);

  RefPtr<Document> mDocument;

  class Updater {

   public:

    Updater(Element* aElement, const nsAString& aEvents,

            const nsAString& aTargets)

        : mElement(aElement),

          mEvents(aEvents),

          mTargets(aTargets),

          mNext(nullptr) {}

    RefPtr<Element> mElement;

    nsString mEvents;

    nsString mTargets;

    Updater* mNext;

};

  Updater* mUpdaters;

  bool Matches(const nsString& aList, const nsAString& aElement);

  bool mLocked;

  nsTArray<nsString> mPendingUpdates;

};

#endif  // nsXULCommandDispatcher_h__