tor-browser

The Tor Browser
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nsXULCommandDispatcher.h (2126B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 /*
      7 
      8   This is the focus manager for XUL documents.
      9 
     10 */
     11 
     12 #ifndef nsXULCommandDispatcher_h__
     13 #define nsXULCommandDispatcher_h__
     14 
     15 #include "mozilla/RefPtr.h"
     16 #include "nsCOMPtr.h"
     17 #include "nsCycleCollectionParticipant.h"
     18 #include "nsIDOMXULCommandDispatcher.h"
     19 #include "nsString.h"
     20 #include "nsTArray.h"
     21 #include "nsWeakReference.h"
     22 
     23 class nsPIDOMWindowOuter;
     24 class nsPIWindowRoot;
     25 
     26 namespace mozilla::dom {
     27 class Document;
     28 class Element;
     29 }  // namespace mozilla::dom
     30 
     31 class nsXULCommandDispatcher : public nsIDOMXULCommandDispatcher,
     32                               public nsSupportsWeakReference {
     33  using Document = mozilla::dom::Document;
     34  using Element = mozilla::dom::Element;
     35 
     36 public:
     37  explicit nsXULCommandDispatcher(Document* aDocument);
     38 
     39  // nsISupports
     40  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     41  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULCommandDispatcher,
     42                                           nsIDOMXULCommandDispatcher)
     43 
     44  // nsIDOMXULCommandDispatcher interface
     45  NS_DECL_NSIDOMXULCOMMANDDISPATCHER
     46 
     47  void Disconnect();
     48 
     49 protected:
     50  virtual ~nsXULCommandDispatcher();
     51 
     52  already_AddRefed<nsPIWindowRoot> GetWindowRoot();
     53 
     54  Element* GetRootFocusedContentAndWindow(nsPIDOMWindowOuter** aWindow);
     55  nsresult MoveFocusIntoSubtree(Element*, bool aForward);
     56 
     57  RefPtr<Document> mDocument;
     58 
     59  class Updater {
     60   public:
     61    Updater(Element* aElement, const nsAString& aEvents,
     62            const nsAString& aTargets)
     63        : mElement(aElement),
     64          mEvents(aEvents),
     65          mTargets(aTargets),
     66          mNext(nullptr) {}
     67 
     68    RefPtr<Element> mElement;
     69    nsString mEvents;
     70    nsString mTargets;
     71    Updater* mNext;
     72  };
     73 
     74  Updater* mUpdaters;
     75 
     76  bool Matches(const nsString& aList, const nsAString& aElement);
     77 
     78  bool mLocked;
     79  nsTArray<nsString> mPendingUpdates;
     80 };
     81 
     82 #endif  // nsXULCommandDispatcher_h__