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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 http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_a11y_DocAccessibleChildBase_h
#define mozilla_a11y_DocAccessibleChildBase_h
#include "mozilla/a11y/DocAccessible.h"
#include "mozilla/a11y/PDocAccessibleChild.h"
#include "mozilla/Unused.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace a11y {
class Accessible;
class AccShowEvent;
class DocAccessibleChildBase : public PDocAccessibleChild
{
public:
explicit DocAccessibleChildBase(DocAccessible* aDoc)
: mDoc(aDoc)
{
MOZ_COUNT_CTOR(DocAccessibleChildBase);
}
~DocAccessibleChildBase()
{
// Shutdown() should have been called, but maybe it isn't if the process is
// killed?
MOZ_ASSERT(!mDoc);
if (mDoc) {
mDoc->SetIPCDoc(nullptr);
}
MOZ_COUNT_DTOR(DocAccessibleChildBase);
}
virtual void Shutdown()
{
DetachDocument();
SendShutdown();
}
void ShowEvent(AccShowEvent* aShowEvent);
virtual void ActorDestroy(ActorDestroyReason) override
{
if (!mDoc) {
return;
}
mDoc->SetIPCDoc(nullptr);
mDoc = nullptr;
}
protected:
static uint32_t InterfacesFor(Accessible* aAcc);
static void SerializeTree(Accessible* aRoot, nsTArray<AccessibleData>& aTree);
virtual void MaybeSendShowEvent(ShowEventData& aData, bool aFromUser)
{ Unused << SendShowEvent(aData, aFromUser); }
void DetachDocument()
{
if (mDoc) {
mDoc->SetIPCDoc(nullptr);
mDoc = nullptr;
}
}
DocAccessible* mDoc;
};
} // namespace a11y
} // namespace mozilla
#endif // mozilla_a11y_DocAccessibleChildBase_h
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