michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _nsIAccessibilityService_h_
michael@0: #define _nsIAccessibilityService_h_
michael@0: 
michael@0: #include "nsIAccessibleRetrieval.h"
michael@0: #include "nsIAccessibleEvent.h"
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: class Accessible;
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: class nsINode;
michael@0: class nsIContent;
michael@0: class nsIFrame;
michael@0: class nsIPresShell;
michael@0: class nsObjectFrame;
michael@0: 
michael@0: // 10ff6dca-b219-4b64-9a4c-67a62b86edce
michael@0: #define NS_IACCESSIBILITYSERVICE_IID \
michael@0: { 0x84dd9182, 0x6639, 0x4377, \
michael@0:  { 0xa4, 0x13, 0xad, 0xe1, 0xae, 0x4e, 0x52, 0xdd } }
michael@0: 
michael@0: class nsIAccessibilityService : public nsIAccessibleRetrieval
michael@0: {
michael@0: public:
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IACCESSIBILITYSERVICE_IID)
michael@0: 
michael@0:   /**
michael@0:    * Return root document accessible that is or contains a document accessible
michael@0:    * for the given presshell.
michael@0:    *
michael@0:    * @param aPresShell  [in] the presshell
michael@0:    * @param aCanCreate  [in] points whether the root document accessible
michael@0:    *                        should be returned from the cache or can be created
michael@0:    */
michael@0:   virtual mozilla::a11y::Accessible*
michael@0:     GetRootDocumentAccessible(nsIPresShell* aPresShell, bool aCanCreate) = 0;
michael@0: 
michael@0:    /**
michael@0:    * Adds/remove ATK root accessible for gtk+ native window to/from children
michael@0:    * of the application accessible.
michael@0:    */
michael@0:   virtual mozilla::a11y::Accessible*
michael@0:     AddNativeRootAccessible(void* aAtkAccessible) = 0;
michael@0:   virtual void
michael@0:     RemoveNativeRootAccessible(mozilla::a11y::Accessible* aRootAccessible) = 0;
michael@0: 
michael@0:   /**
michael@0:    * Fire accessible event of the given type for the given target.
michael@0:    *
michael@0:    * @param aEvent   [in] accessible event type
michael@0:    * @param aTarget  [in] target of accessible event
michael@0:    */
michael@0:   virtual void FireAccessibleEvent(uint32_t aEvent,
michael@0:                                    mozilla::a11y::Accessible* aTarget) = 0;
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(nsIAccessibilityService,
michael@0:                               NS_IACCESSIBILITYSERVICE_IID)
michael@0: 
michael@0: // for component registration
michael@0: // {DE401C37-9A7F-4278-A6F8-3DE2833989EF}
michael@0: #define NS_ACCESSIBILITY_SERVICE_CID \
michael@0: { 0xde401c37, 0x9a7f, 0x4278, { 0xa6, 0xf8, 0x3d, 0xe2, 0x83, 0x39, 0x89, 0xef } }
michael@0: 
michael@0: extern nsresult
michael@0: NS_GetAccessibilityService(nsIAccessibilityService** aResult);
michael@0: 
michael@0: #endif