gecko-dev/accessible/ipc/DocAccessibleChild.h

65 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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_DocAccessibleChild_h
#define mozilla_a11y_DocAccessibleChild_h
#include "mozilla/a11y/DocAccessible.h"
#include "mozilla/a11y/PDocAccessibleChild.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace a11y {
class AccShowEvent;
/*
* These objects handle content side communication for an accessible document,
* and their lifetime is the same as the document they represent.
*/
class DocAccessibleChild : public PDocAccessibleChild
{
public:
explicit DocAccessibleChild(DocAccessible* aDoc) :
mDoc(aDoc)
{ MOZ_COUNT_CTOR(DocAccessibleChild); }
~DocAccessibleChild()
{
mDoc->SetIPCDoc(nullptr);
MOZ_COUNT_DTOR(DocAccessibleChild);
}
void ShowEvent(AccShowEvent* aShowEvent);
/*
* Return the state for the accessible with given ID.
*/
virtual bool RecvState(const uint64_t& aID, uint64_t* aState) MOZ_OVERRIDE;
/*
* Get the name for the accessible with given id.
*/
virtual bool RecvName(const uint64_t& aID, nsString* aName) MOZ_OVERRIDE;
/*
* Get the description for the accessible with given id.
*/
virtual bool RecvDescription(const uint64_t& aID, nsString* aDesc) MOZ_OVERRIDE;
virtual bool RecvAttributes(const uint64_t& aID, nsTArray<Attribute> *aAttributes) MOZ_OVERRIDE;
virtual bool RecvTextSubstring(const uint64_t& aID,
const int32_t& aStartOffset,
const int32_t& aEndOffset, nsString* aText)
MOZ_OVERRIDE;
private:
DocAccessible* mDoc;
};
}
}
#endif