/* -*- 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 Accessible;
class HyperTextAccessible;

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);
  }

  Accessible* IdToAccessible(const uint64_t& aID);
  HyperTextAccessible* IdToHyperTextAccessible(const uint64_t& aID);

  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;

  virtual bool RecvValue(const uint64_t& aID, nsString* aValue) MOZ_OVERRIDE;
  
  /*
   * Get the description for the accessible with given id.
   */
  virtual bool RecvDescription(const uint64_t& aID, nsString* aDesc) MOZ_OVERRIDE;
  virtual bool RecvRelationByType(const uint64_t& aID, const uint32_t& aType,
                                  nsTArray<uint64_t>* aTargets) MOZ_OVERRIDE;
  virtual bool RecvRelations(const uint64_t& aID,
                             nsTArray<RelationTargets>* aRelations)
    MOZ_OVERRIDE;

  virtual bool RecvAttributes(const uint64_t& aID,
                              nsTArray<Attribute> *aAttributes) MOZ_OVERRIDE;

  virtual bool RecvCharacterCount(const uint64_t& aID, int32_t* aCount)
     MOZ_OVERRIDE;
  virtual bool RecvSelectionCount(const uint64_t& aID, int32_t* aCount)
     MOZ_OVERRIDE;

  virtual bool RecvTextSubstring(const uint64_t& aID,
                                 const int32_t& aStartOffset,
                                 const int32_t& aEndOffset, nsString* aText)
    MOZ_OVERRIDE;

  virtual bool RecvGetTextAfterOffset(const uint64_t& aID,
                                      const int32_t& aOffset,
                                      const int32_t& aBoundaryType,
                                      nsString* aText, int32_t* aStartOffset,
                                      int32_t* aEndOffset) MOZ_OVERRIDE;
  virtual bool RecvGetTextAtOffset(const uint64_t& aID,
                                   const int32_t& aOffset,
                                   const int32_t& aBoundaryType,
                                   nsString* aText, int32_t* aStartOffset,
                                   int32_t* aEndOffset) MOZ_OVERRIDE;
  virtual bool RecvGetTextBeforeOffset(const uint64_t& aID,
                                       const int32_t& aOffset,
                                       const int32_t& aBoundaryType,
                                       nsString* aText, int32_t* aStartOffset,
                                       int32_t* aEndOffset) MOZ_OVERRIDE;

private:
  DocAccessible* mDoc;
};

}
}

#endif