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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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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public:
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explicit DocAccessibleChildBase(DocAccessible* aDoc) : mDoc(aDoc) {
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MOZ_COUNT_CTOR(DocAccessibleChildBase);
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}
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~DocAccessibleChildBase() {
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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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DetachDocument();
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SendShutdown();
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}
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/**
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* Serializes a shown tree and sends it to the chrome process.
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*/
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void InsertIntoIpcTree(Accessible* aParent, Accessible* aChild,
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uint32_t aIdxInParent);
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void ShowEvent(AccShowEvent* aShowEvent);
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virtual void ActorDestroy(ActorDestroyReason) override {
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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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}
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void DetachDocument() {
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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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