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Diffstat (limited to '')
-rw-r--r-- | accessible/xpcom/xpcAccessibleDocument.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleDocument.cpp b/accessible/xpcom/xpcAccessibleDocument.cpp new file mode 100644 index 0000000000..d616e476b2 --- /dev/null +++ b/accessible/xpcom/xpcAccessibleDocument.cpp @@ -0,0 +1,179 @@ +/* -*- 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/. */ + +#include "xpcAccessibleDocument.h" +#include "xpcAccessibleImage.h" +#include "xpcAccessibleTable.h" +#include "xpcAccessibleTableCell.h" + +#include "nsAccUtils.h" +#include "DocAccessible-inl.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +//////////////////////////////////////////////////////////////////////////////// +// nsISupports + +NS_IMPL_QUERY_INTERFACE_INHERITED(xpcAccessibleDocument, xpcAccessibleHyperText, + nsIAccessibleDocument) +NS_IMPL_ADDREF_INHERITED(xpcAccessibleDocument, xpcAccessibleHyperText) +NS_IMETHODIMP_(MozExternalRefCountType) xpcAccessibleDocument::Release(void) { + nsrefcnt r = xpcAccessibleHyperText::Release(); + NS_LOG_RELEASE(this, r, "xpcAccessibleDocument"); + + // The only reference to the xpcAccessibleDocument is in DocManager's cache. + if (r == 1 && !!mIntl && mCache.Count() == 0) { + if (mIntl->IsLocal()) { + GetAccService()->RemoveFromXPCDocumentCache(mIntl->AsLocal()->AsDoc()); + } else { + GetAccService()->RemoveFromRemoteXPCDocumentCache( + mIntl->AsRemote()->AsDoc()); + } + } + return r; +} + +//////////////////////////////////////////////////////////////////////////////// +// nsIAccessibleDocument + +NS_IMETHODIMP +xpcAccessibleDocument::GetURL(nsAString& aURL) { + if (!mIntl) return NS_ERROR_FAILURE; + + nsAccUtils::DocumentURL(mIntl, aURL); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetTitle(nsAString& aTitle) { + if (!Intl()) return NS_ERROR_FAILURE; + + nsAutoString title; + Intl()->Title(title); + aTitle = title; + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetMimeType(nsAString& aType) { + if (!mIntl) return NS_ERROR_FAILURE; + + nsAccUtils::DocumentMimeType(mIntl, aType); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetDocType(nsAString& aType) { + if (!Intl()) return NS_ERROR_FAILURE; + + Intl()->DocType(aType); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetDOMDocument(dom::Document** aDOMDocument) { + NS_ENSURE_ARG_POINTER(aDOMDocument); + *aDOMDocument = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + + if (Intl()->DocumentNode()) NS_ADDREF(*aDOMDocument = Intl()->DocumentNode()); + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetWindow(mozIDOMWindowProxy** aDOMWindow) { + NS_ENSURE_ARG_POINTER(aDOMWindow); + *aDOMWindow = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + + NS_IF_ADDREF(*aDOMWindow = Intl()->DocumentNode()->GetWindow()); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetParentDocument(nsIAccessibleDocument** aDocument) { + NS_ENSURE_ARG_POINTER(aDocument); + *aDocument = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + + NS_IF_ADDREF(*aDocument = ToXPCDocument(Intl()->ParentDocument())); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetChildDocumentCount(uint32_t* aCount) { + NS_ENSURE_ARG_POINTER(aCount); + *aCount = 0; + + if (!Intl()) return NS_ERROR_FAILURE; + + *aCount = Intl()->ChildDocumentCount(); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleDocument::GetChildDocumentAt(uint32_t aIndex, + nsIAccessibleDocument** aDocument) { + NS_ENSURE_ARG_POINTER(aDocument); + *aDocument = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + + NS_IF_ADDREF(*aDocument = ToXPCDocument(Intl()->GetChildDocumentAt(aIndex))); + return *aDocument ? NS_OK : NS_ERROR_INVALID_ARG; +} + +//////////////////////////////////////////////////////////////////////////////// +// xpcAccessibleDocument + +xpcAccessibleGeneric* xpcAccessibleDocument::GetAccessible( + Accessible* aAccessible) { + if (aAccessible->IsLocal() && + ToXPCDocument(aAccessible->AsLocal()->Document()) != this) { + NS_ERROR( + "This XPCOM document is not related with given internal accessible!"); + return nullptr; + } + + if (aAccessible->IsRemote() && + ToXPCDocument(aAccessible->AsRemote()->Document()) != this) { + NS_ERROR( + "This XPCOM document is not related with given internal accessible!"); + return nullptr; + } + + if (aAccessible->IsDoc()) return this; + + return mCache.LookupOrInsertWith(aAccessible, [&]() -> xpcAccessibleGeneric* { + if (aAccessible->IsImage()) { + return new xpcAccessibleImage(aAccessible); + } + if (aAccessible->IsTable()) { + return new xpcAccessibleTable(aAccessible); + } + if (aAccessible->IsTableCell()) { + return new xpcAccessibleTableCell(aAccessible); + } + if (aAccessible->IsHyperText()) { + return new xpcAccessibleHyperText(aAccessible); + } + + return new xpcAccessibleGeneric(aAccessible); + }); +} + +void xpcAccessibleDocument::Shutdown() { + for (auto iter = mCache.Iter(); !iter.Done(); iter.Next()) { + iter.Data()->Shutdown(); + iter.Remove(); + } + xpcAccessibleGeneric::Shutdown(); +} |