Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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,
#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();
}