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       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef MOZILLA_A11Y_OUTERDOCACCESSIBLE_H_
       7             : #define MOZILLA_A11Y_OUTERDOCACCESSIBLE_H_
       8             : 
       9             : #include "AccessibleWrap.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace a11y {
      13             : class DocAccessibleParent;
      14             : 
      15             : /**
      16             :  * Used for <browser>, <frame>, <iframe>, <page> or editor> elements.
      17             :  *
      18             :  * In these variable names, "outer" relates to the OuterDocAccessible as
      19             :  * opposed to the DocAccessibleWrap which is "inner". The outer node is
      20             :  * a something like tags listed above, whereas the inner node corresponds to
      21             :  * the inner document root.
      22             :  */
      23             : 
      24             : class OuterDocAccessible final : public AccessibleWrap
      25             : {
      26             : public:
      27             :   OuterDocAccessible(nsIContent* aContent, DocAccessible* aDoc);
      28             : 
      29             :   NS_DECL_ISUPPORTS_INHERITED
      30             : 
      31             :   DocAccessibleParent* RemoteChildDoc() const;
      32             : 
      33             :   // Accessible
      34             :   virtual void Shutdown() override;
      35             :   virtual mozilla::a11y::role NativeRole() override;
      36             :   virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
      37             :                                    EWhichChildAtPoint aWhichChild) override;
      38             : 
      39             :   virtual bool InsertChildAt(uint32_t aIdx, Accessible* aChild) override;
      40             :   virtual bool RemoveChild(Accessible* aAccessible) override;
      41             :   virtual bool IsAcceptableChild(nsIContent* aEl) const override;
      42             : 
      43             : #if defined(XP_WIN)
      44             :   virtual uint32_t ChildCount() const override;
      45             :   virtual Accessible* GetChildAt(uint32_t aIndex) const override;
      46             : #endif // defined(XP_WIN)
      47             : 
      48             : protected:
      49             :   virtual ~OuterDocAccessible() override;
      50             : };
      51             : 
      52             : inline OuterDocAccessible*
      53           0 : Accessible::AsOuterDoc()
      54             : {
      55           0 :   return IsOuterDoc() ? static_cast<OuterDocAccessible*>(this) : nullptr;
      56             : }
      57             : 
      58             : } // namespace a11y
      59             : } // namespace mozilla
      60             : 
      61             : #endif