81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_DocAccessibleChildBase_h
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#define mozilla_a11y_DocAccessibleChildBase_h
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#include "mozilla/a11y/DocAccessible.h"
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#include "mozilla/a11y/PDocAccessibleChild.h"
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#include "mozilla/Unused.h"
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace a11y {
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class Accessible;
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class AccShowEvent;
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class DocAccessibleChildBase : public PDocAccessibleChild
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{
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public:
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explicit DocAccessibleChildBase(DocAccessible* aDoc)
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: mDoc(aDoc)
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{
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MOZ_COUNT_CTOR(DocAccessibleChildBase);
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}
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~DocAccessibleChildBase()
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{
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// Shutdown() should have been called, but maybe it isn't if the process is
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// killed?
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MOZ_ASSERT(!mDoc);
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if (mDoc) {
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mDoc->SetIPCDoc(nullptr);
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}
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MOZ_COUNT_DTOR(DocAccessibleChildBase);
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}
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virtual void Shutdown()
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{
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DetachDocument();
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SendShutdown();
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}
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void ShowEvent(AccShowEvent* aShowEvent);
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virtual void ActorDestroy(ActorDestroyReason) override
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{
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if (!mDoc) {
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return;
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}
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mDoc->SetIPCDoc(nullptr);
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mDoc = nullptr;
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}
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protected:
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static uint32_t InterfacesFor(Accessible* aAcc);
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static void SerializeTree(Accessible* aRoot, nsTArray<AccessibleData>& aTree);
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virtual void MaybeSendShowEvent(ShowEventData& aData, bool aFromUser)
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{ Unused << SendShowEvent(aData, aFromUser); }
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void DetachDocument()
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{
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if (mDoc) {
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mDoc->SetIPCDoc(nullptr);
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mDoc = nullptr;
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}
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}
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DocAccessible* mDoc;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif // mozilla_a11y_DocAccessibleChildBase_h
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