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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/ipc/DocAccessibleChildBase.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/accessible/ipc/DocAccessibleChildBase.h b/accessible/ipc/DocAccessibleChildBase.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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