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116 lines
3.4 KiB
C++
116 lines
3.4 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_xpcAccessibleDocument_h_
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#define mozilla_a11y_xpcAccessibleDocument_h_
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#include "nsIAccessibleDocument.h"
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#include "DocAccessible.h"
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#include "nsAccessibilityService.h"
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#include "xpcAccessibleApplication.h"
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#include "xpcAccessibleHyperText.h"
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namespace mozilla {
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namespace a11y {
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/**
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* XPCOM wrapper around DocAccessible class.
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*/
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class xpcAccessibleDocument : public xpcAccessibleHyperText,
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public nsIAccessibleDocument
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{
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public:
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explicit xpcAccessibleDocument(DocAccessible* aIntl) :
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xpcAccessibleHyperText(aIntl), mCache(kDefaultCacheLength) { }
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(xpcAccessibleDocument,
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xpcAccessibleGeneric)
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// nsIAccessibleDocument
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NS_IMETHOD GetURL(nsAString& aURL) final override;
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NS_IMETHOD GetTitle(nsAString& aTitle) final override;
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NS_IMETHOD GetMimeType(nsAString& aType) final override;
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NS_IMETHOD GetDocType(nsAString& aType) final override;
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NS_IMETHOD GetDOMDocument(nsIDOMDocument** aDOMDocument) final override;
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NS_IMETHOD GetWindow(nsIDOMWindow** aDOMWindow) final override;
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NS_IMETHOD GetParentDocument(nsIAccessibleDocument** aDocument)
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final override;
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NS_IMETHOD GetChildDocumentCount(uint32_t* aCount) final override;
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NS_IMETHOD GetChildDocumentAt(uint32_t aIndex,
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nsIAccessibleDocument** aDocument)
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final override;
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NS_IMETHOD GetVirtualCursor(nsIAccessiblePivot** aVirtualCursor)
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final override;
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/**
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* Return XPCOM wrapper for the internal accessible.
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*/
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xpcAccessibleGeneric* GetAccessible(Accessible* aAccessible);
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virtual void Shutdown() override;
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protected:
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virtual ~xpcAccessibleDocument() {}
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private:
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DocAccessible* Intl() { return mIntl.AsAccessible()->AsDoc(); }
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void NotifyOfShutdown(Accessible* aAccessible)
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{
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xpcAccessibleGeneric* xpcAcc = mCache.GetWeak(aAccessible);
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if (xpcAcc)
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xpcAcc->Shutdown();
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mCache.Remove(aAccessible);
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}
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friend class DocManager;
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friend class DocAccessible;
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xpcAccessibleDocument(const xpcAccessibleDocument&) = delete;
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xpcAccessibleDocument& operator =(const xpcAccessibleDocument&) = delete;
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nsRefPtrHashtable<nsPtrHashKey<const Accessible>, xpcAccessibleGeneric> mCache;
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};
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inline xpcAccessibleGeneric*
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ToXPC(Accessible* aAccessible)
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{
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if (!aAccessible)
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return nullptr;
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if (aAccessible->IsApplication())
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return XPCApplicationAcc();
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xpcAccessibleDocument* xpcDoc =
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GetAccService()->GetXPCDocument(aAccessible->Document());
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return xpcDoc ? xpcDoc->GetAccessible(aAccessible) : nullptr;
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}
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inline xpcAccessibleHyperText*
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ToXPCText(HyperTextAccessible* aAccessible)
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{
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if (!aAccessible)
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return nullptr;
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xpcAccessibleDocument* xpcDoc =
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GetAccService()->GetXPCDocument(aAccessible->Document());
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return static_cast<xpcAccessibleHyperText*>(xpcDoc->GetAccessible(aAccessible));
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}
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inline xpcAccessibleDocument*
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ToXPCDocument(DocAccessible* aAccessible)
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{
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return GetAccService()->GetXPCDocument(aAccessible);
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}
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} // namespace a11y
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} // namespace mozilla
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#endif
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