palemoon-dev/platform/accessible/xpcom/xpcAccessibleImage.h

/* -*- 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 mozilla_a11y_xpcAccessibleImage_h_
#define mozilla_a11y_xpcAccessibleImage_h_

#include "nsIAccessibleImage.h"

#include "xpcAccessibleGeneric.h"

namespace mozilla {
namespace a11y {

class xpcAccessibleImage : public xpcAccessibleGeneric,
                           public nsIAccessibleImage
{
public:
  explicit xpcAccessibleImage(Accessible* aIntl) :
    xpcAccessibleGeneric(aIntl) { }

  xpcAccessibleImage(ProxyAccessible* aProxy, uint32_t aInterfaces) :
    xpcAccessibleGeneric(aProxy, aInterfaces) {}

  NS_DECL_ISUPPORTS_INHERITED

  NS_IMETHOD GetImagePosition(uint32_t aCoordType,
                              int32_t* aX, int32_t* aY) final override;
  NS_IMETHOD GetImageSize(int32_t* aWidth, int32_t* aHeight) final override;

protected:
  virtual ~xpcAccessibleImage() {}

private:
  ImageAccessible* Intl()
  { return mIntl.IsAccessible() ? mIntl.AsAccessible()->AsImage() : nullptr; }

  xpcAccessibleImage(const xpcAccessibleImage&) = delete;
  xpcAccessibleImage& operator =(const xpcAccessibleImage&) = delete;
};

} // namespace a11y
} // namespace mozilla

#endif