зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
4.3 KiB
C++
139 строки
4.3 KiB
C++
/* -*- 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
|