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/* -*- 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 */
#include "AccessibleWrap.h"
namespace mozilla {
namespace dom {
class BrowserBridgeChild;
namespace a11y {
class DocAccessibleParent;
* Used for <browser>, <frame>, <iframe>, <page> or editor> elements.
* In these variable names, "outer" relates to the OuterDocAccessible as
* opposed to the DocAccessibleWrap which is "inner". The outer node is
* a something like tags listed above, whereas the inner node corresponds to
* the inner document root.
class OuterDocAccessible final : public AccessibleWrap {
OuterDocAccessible(nsIContent* aContent, DocAccessible* aDoc);
DocAccessibleParent* RemoteChildDoc() const;
* For iframes in a content process which will be rendered in another content
* process, tell the parent process about this OuterDocAccessible
* so it can link the trees together when the embedded document is added.
* Note that an OuterDocAccessible can be created before the
* BrowserBridgeChild or vice versa. Therefore, this must be conditionally
* called when either of these is created.
void SendEmbedderAccessible(dom::BrowserBridgeChild* aBridge);
Maybe<nsMargin> GetCrossDocOffset() { return mCrossDocOffset; }
void SetCrossDocOffset(nsMargin aMargin) { mCrossDocOffset = Some(aMargin); }
// LocalAccessible
virtual void Shutdown() override;
virtual mozilla::a11y::role NativeRole() const override;
virtual LocalAccessible* LocalChildAtPoint(
int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) override;
virtual bool InsertChildAt(uint32_t aIdx, LocalAccessible* aChild) override;
virtual bool RemoveChild(LocalAccessible* aAccessible) override;
virtual bool IsAcceptableChild(nsIContent* aEl) const override;
virtual uint32_t ChildCount() const override;
// Accessible
virtual Accessible* ChildAt(uint32_t aIndex) const override;
virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
EWhichChildAtPoint aWhichChild) override;
virtual ~OuterDocAccessible() override;
Maybe<nsMargin> mCrossDocOffset;
inline OuterDocAccessible* LocalAccessible::AsOuterDoc() {
return IsOuterDoc() ? static_cast<OuterDocAccessible*>(this) : nullptr;
} // namespace a11y
} // namespace mozilla