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Diffstat (limited to 'accessible/generic/RootAccessible.h')
-rw-r--r-- | accessible/generic/RootAccessible.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/accessible/generic/RootAccessible.h b/accessible/generic/RootAccessible.h new file mode 100644 index 0000000000..beb74cf4b6 --- /dev/null +++ b/accessible/generic/RootAccessible.h @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 2; 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 mozilla_a11y_RootAccessible_h__ +#define mozilla_a11y_RootAccessible_h__ + +#include "HyperTextAccessible.h" +#include "DocAccessibleWrap.h" + +#include "nsIDOMEventListener.h" + +class nsIDocument; + +namespace mozilla { +namespace a11y { + +class RootAccessible : public DocAccessibleWrap, + public nsIDOMEventListener +{ + NS_DECL_ISUPPORTS_INHERITED + +public: + RootAccessible(nsIDocument* aDocument, nsIPresShell* aPresShell); + + // nsIDOMEventListener + NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override; + + // Accessible + virtual void Shutdown() override; + virtual mozilla::a11y::ENameValueFlag Name(nsString& aName) override; + virtual Relation RelationByType(RelationType aType) override; + virtual mozilla::a11y::role NativeRole() override; + virtual uint64_t NativeState() override; + + // RootAccessible + + /** + * Notify that the sub document presshell was activated. + */ + virtual void DocumentActivated(DocAccessible* aDocument); + + /** + * Return the primary remote top level document if any. + */ + ProxyAccessible* GetPrimaryRemoteTopLevelContentDoc() const; + +protected: + virtual ~RootAccessible(); + + /** + * Add/remove DOM event listeners. + */ + virtual nsresult AddEventListeners() override; + virtual nsresult RemoveEventListeners() override; + + /** + * Process the DOM event. + */ + void ProcessDOMEvent(nsIDOMEvent* aEvent); + + /** + * Process "popupshown" event. Used by HandleEvent(). + */ + void HandlePopupShownEvent(Accessible* aAccessible); + + /* + * Process "popuphiding" event. Used by HandleEvent(). + */ + void HandlePopupHidingEvent(nsINode* aNode); + +#ifdef MOZ_XUL + void HandleTreeRowCountChangedEvent(nsIDOMEvent* aEvent, + XULTreeAccessible* aAccessible); + void HandleTreeInvalidatedEvent(nsIDOMEvent* aEvent, + XULTreeAccessible* aAccessible); + + uint32_t GetChromeFlags(); +#endif +}; + +inline RootAccessible* +Accessible::AsRoot() +{ + return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr; +} + +} // namespace a11y +} // namespace mozilla + +#endif |