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-rw-r--r--accessible/xpcom/xpcAccessibleDocument.h138
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diff --git a/accessible/xpcom/xpcAccessibleDocument.h b/accessible/xpcom/xpcAccessibleDocument.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_xpcAccessibleDocument_h_
+#define mozilla_a11y_xpcAccessibleDocument_h_
+
+#include "nsIAccessibleDocument.h"
+
+#include "DocAccessible.h"
+#include "nsAccessibilityService.h"
+#include "xpcAccessibleApplication.h"
+#include "xpcAccessibleHyperText.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * XPCOM wrapper around DocAccessible class.
+ */
+class xpcAccessibleDocument : public xpcAccessibleHyperText,
+ public nsIAccessibleDocument {
+ public:
+ explicit xpcAccessibleDocument(Accessible* aIntl)
+ : xpcAccessibleHyperText(aIntl),
+ mCache(kDefaultCacheLength),
+ mRemote(aIntl->IsRemote()) {
+ // XXX: Once there is a base doc class that both remote and local
+ // accessibles inherit, we can add the type to the prototype and remove this
+ // assert.
+ MOZ_ASSERT(aIntl->IsDoc());
+ }
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // nsIAccessibleDocument
+ NS_IMETHOD GetURL(nsAString& aURL) final;
+ NS_IMETHOD GetTitle(nsAString& aTitle) final;
+ NS_IMETHOD GetMimeType(nsAString& aType) final;
+ NS_IMETHOD GetDocType(nsAString& aType) final;
+ NS_IMETHOD GetDOMDocument(dom::Document** aDOMDocument) final;
+ NS_IMETHOD GetWindow(mozIDOMWindowProxy** aDOMWindow) final;
+ NS_IMETHOD GetParentDocument(nsIAccessibleDocument** aDocument) final;
+ NS_IMETHOD GetChildDocumentCount(uint32_t* aCount) final;
+ NS_IMETHOD GetChildDocumentAt(uint32_t aIndex,
+ nsIAccessibleDocument** aDocument) final;
+ NS_IMETHOD GetVirtualCursor(nsIAccessiblePivot** aVirtualCursor) final;
+
+ /**
+ * Return XPCOM wrapper for the internal accessible.
+ */
+ xpcAccessibleGeneric* GetAccessible(Accessible* aAccessible);
+
+ virtual void Shutdown() override;
+
+ protected:
+ virtual ~xpcAccessibleDocument() {}
+
+ private:
+ DocAccessible* Intl() {
+ if (LocalAccessible* acc = mIntl->AsLocal()) {
+ return acc->AsDoc();
+ }
+
+ return nullptr;
+ }
+
+ void NotifyOfShutdown(Accessible* aAccessible) {
+ xpcAccessibleGeneric* xpcAcc = mCache.Get(aAccessible);
+ if (xpcAcc) {
+ xpcAcc->Shutdown();
+ }
+
+ mCache.Remove(aAccessible);
+ if (mCache.Count() == 0 && mRefCnt == 1) {
+ if (mIntl->IsLocal()) {
+ GetAccService()->RemoveFromXPCDocumentCache(mIntl->AsLocal()->AsDoc());
+ } else {
+ GetAccService()->RemoveFromRemoteXPCDocumentCache(
+ mIntl->AsRemote()->AsDoc());
+ }
+ }
+ }
+
+ friend class DocManager;
+ friend class DocAccessible;
+ friend class RemoteAccessible;
+ friend class RemoteAccessibleBase<RemoteAccessible>;
+ friend class xpcAccessibleGeneric;
+
+ xpcAccessibleDocument(const xpcAccessibleDocument&) = delete;
+ xpcAccessibleDocument& operator=(const xpcAccessibleDocument&) = delete;
+
+ nsTHashMap<nsPtrHashKey<const void>, xpcAccessibleGeneric*> mCache;
+ bool mRemote;
+};
+
+inline xpcAccessibleGeneric* ToXPC(Accessible* aAccessible) {
+ if (!aAccessible) return nullptr;
+
+ if (aAccessible->IsApplication()) return XPCApplicationAcc();
+
+ xpcAccessibleDocument* xpcDoc =
+ aAccessible->IsLocal()
+ ? GetAccService()->GetXPCDocument(aAccessible->AsLocal()->Document())
+ : GetAccService()->GetXPCDocument(
+ aAccessible->AsRemote()->Document());
+ return xpcDoc ? xpcDoc->GetAccessible(aAccessible) : nullptr;
+}
+
+inline xpcAccessibleHyperText* ToXPCText(Accessible* aAccessible) {
+ if (!aAccessible || !aAccessible->IsHyperText()) {
+ return nullptr;
+ }
+
+ xpcAccessibleDocument* xpcDoc =
+ aAccessible->IsLocal()
+ ? GetAccService()->GetXPCDocument(aAccessible->AsLocal()->Document())
+ : nsAccessibilityService::GetXPCDocument(
+ aAccessible->AsRemote()->Document());
+ return static_cast<xpcAccessibleHyperText*>(
+ xpcDoc ? xpcDoc->GetAccessible(aAccessible) : nullptr);
+}
+
+inline xpcAccessibleDocument* ToXPCDocument(DocAccessible* aAccessible) {
+ return GetAccService()->GetXPCDocument(aAccessible);
+}
+
+inline xpcAccessibleDocument* ToXPCDocument(DocAccessibleParent* aAccessible) {
+ return GetAccService()->GetXPCDocument(aAccessible);
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif