/* -*- 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 _nsEventShell_H_ #define _nsEventShell_H_ #include "AccEvent.h" namespace mozilla { template<typename T> class StaticRefPtr; } class nsIPersistentProperties; /** * Used for everything about events. */ class nsEventShell { public: /** * Fire the accessible event. */ static void FireEvent(mozilla::a11y::AccEvent* aEvent); /** * Fire accessible event of the given type for the given accessible. * * @param aEventType [in] the event type * @param aAccessible [in] the event target */ static void FireEvent(uint32_t aEventType, mozilla::a11y::Accessible* aAccessible, mozilla::a11y::EIsFromUserInput aIsFromUserInput = mozilla::a11y::eAutoDetect); /** * Fire state change event. */ static void FireEvent(mozilla::a11y::Accessible* aTarget, uint64_t aState, bool aIsEnabled, bool aIsFromUserInput) { RefPtr<mozilla::a11y::AccStateChangeEvent> stateChangeEvent = new mozilla::a11y::AccStateChangeEvent(aTarget, aState, aIsEnabled, (aIsFromUserInput ? mozilla::a11y::eFromUserInput : mozilla::a11y::eNoUserInput)); FireEvent(stateChangeEvent); } /** * Append 'event-from-input' object attribute if the accessible event has * been fired just now for the given node. * * @param aNode [in] the DOM node * @param aAttributes [in, out] the attributes */ static void GetEventAttributes(nsINode *aNode, nsIPersistentProperties *aAttributes); private: static mozilla::StaticRefPtr<nsINode> sEventTargetNode; static bool sEventFromUserInput; }; #endif