From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- accessible/xpcom/xpcAccessibleDocument.h | 138 +++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 accessible/xpcom/xpcAccessibleDocument.h (limited to 'accessible/xpcom/xpcAccessibleDocument.h') diff --git a/accessible/xpcom/xpcAccessibleDocument.h b/accessible/xpcom/xpcAccessibleDocument.h new file mode 100644 index 0000000000..416a1c5497 --- /dev/null +++ b/accessible/xpcom/xpcAccessibleDocument.h @@ -0,0 +1,138 @@ +/* -*- 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; + friend class xpcAccessibleGeneric; + + xpcAccessibleDocument(const xpcAccessibleDocument&) = delete; + xpcAccessibleDocument& operator=(const xpcAccessibleDocument&) = delete; + + nsTHashMap, 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( + 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 -- cgit v1.2.3