The Tor Browser: accessible/src/generic/RootAccessible.h@141e0f1194b1

     1 /* -*- Mode: C++; tab-width: 2; 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/. */

     6 #ifndef mozilla_a11y_RootAccessible_h__

     7 #define mozilla_a11y_RootAccessible_h__

     9 #include "HyperTextAccessible.h"

    10 #include "DocAccessibleWrap.h"

    12 #include "nsIDOMEventListener.h"

    14 class nsIDocument;

    16 namespace mozilla {

    17 namespace a11y {

    19 class RootAccessible : public DocAccessibleWrap,

    20                        public nsIDOMEventListener

    21 {

    22   NS_DECL_ISUPPORTS_INHERITED

    24 public:

    25   RootAccessible(nsIDocument* aDocument, nsIContent* aRootContent,

    26                  nsIPresShell* aPresShell);

    27   virtual ~RootAccessible();

    29   // nsIDOMEventListener

    30   NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);

    32   // Accessible

    33   virtual void Shutdown();

    34   virtual mozilla::a11y::ENameValueFlag Name(nsString& aName);

    35   virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;

    36   virtual mozilla::a11y::role NativeRole();

    37   virtual uint64_t NativeState();

    39   // RootAccessible

    41   /**

    42    * Notify that the sub document presshell was activated.

    43    */

    44   virtual void DocumentActivated(DocAccessible* aDocument);

    46 protected:

    48   /**

    49    * Add/remove DOM event listeners.

    50    */

    51   virtual nsresult AddEventListeners();

    52   virtual nsresult RemoveEventListeners();

    54   /**

    55    * Process the DOM event.

    56    */

    57   void ProcessDOMEvent(nsIDOMEvent* aEvent);

    59   /**

    60    * Process "popupshown" event. Used by HandleEvent().

    61    */

    62   void HandlePopupShownEvent(Accessible* aAccessible);

    64   /*

    65    * Process "popuphiding" event. Used by HandleEvent().

    66    */

    67   void HandlePopupHidingEvent(nsINode* aNode);

    69 #ifdef MOZ_XUL

    70     void HandleTreeRowCountChangedEvent(nsIDOMEvent* aEvent,

    71                                         XULTreeAccessible* aAccessible);

    72     void HandleTreeInvalidatedEvent(nsIDOMEvent* aEvent,

    73                                     XULTreeAccessible* aAccessible);

    75     uint32_t GetChromeFlags();

    76 #endif

    77 };

    79 inline RootAccessible*

    80 Accessible::AsRoot()

    81 {

    82   return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr;

    83 }

    85 } // namespace a11y

    86 } // namespace mozilla

    88 #endif

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