gecko-dev/accessible/interfaces/nsIAccessibilityService.h

82 lines
2.4 KiB
C++

/* -*- 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 _nsIAccessibilityService_h_
#define _nsIAccessibilityService_h_
#include "nsIAccessibleRetrieval.h"
#include "nsIAccessibleEvent.h"
#include "nsAutoPtr.h"
namespace mozilla {
namespace a11y {
class Accessible;
} // namespace a11y
} // namespace mozilla
class nsIPresShell;
// 0e7e6879-854b-4260-bc6e-525b5fb5cf34
#define NS_IACCESSIBILITYSERVICE_IID \
{ 0x0e7e6879, 0x854b, 0x4260, \
{ 0xbc, 0x6e, 0x52, 0x5b, 0x5f, 0xb5, 0xcf, 0x34 } }
class nsIAccessibilityService : public nsIAccessibleRetrieval
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IACCESSIBILITYSERVICE_IID)
/**
* Return root document accessible that is or contains a document accessible
* for the given presshell.
*
* @param aPresShell [in] the presshell
* @param aCanCreate [in] points whether the root document accessible
* should be returned from the cache or can be created
*/
virtual mozilla::a11y::Accessible*
GetRootDocumentAccessible(nsIPresShell* aPresShell, bool aCanCreate) = 0;
/**
* Adds/remove ATK root accessible for gtk+ native window to/from children
* of the application accessible.
*/
virtual mozilla::a11y::Accessible*
AddNativeRootAccessible(void* aAtkAccessible) = 0;
virtual void
RemoveNativeRootAccessible(mozilla::a11y::Accessible* aRootAccessible) = 0;
/**
* Fire accessible event of the given type for the given target.
*
* @param aEvent [in] accessible event type
* @param aTarget [in] target of accessible event
*/
virtual void FireAccessibleEvent(uint32_t aEvent,
mozilla::a11y::Accessible* aTarget) = 0;
/**
* Return true if the given DOM node has accessible object.
*/
virtual bool HasAccessible(nsIDOMNode* aDOMNode) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIAccessibilityService,
NS_IACCESSIBILITYSERVICE_IID)
// for component registration
// {DE401C37-9A7F-4278-A6F8-3DE2833989EF}
#define NS_ACCESSIBILITY_SERVICE_CID \
{ 0xde401c37, 0x9a7f, 0x4278, { 0xa6, 0xf8, 0x3d, 0xe2, 0x83, 0x39, 0x89, 0xef } }
extern nsresult
NS_GetAccessibilityService(nsIAccessibilityService** aResult);
#endif