import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

2026-09-09 17:31:47 +09:00 · 2018-01-19 03:59:58 +08:00 · 2018-01-19 03:59:58 +08:00 · dcd9973243
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions
--- a/accessible/xpcom/xpcAccessibleDocument.cpp
+++ b/accessible/xpcom/xpcAccessibleDocument.cpp
@ -0,0 +1,262 @@
+/* -*- 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 "mozilla/a11y/DocAccessibleParent.h"
+#include "DocAccessible-inl.h"
+#include "nsIDOMDocument.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// nsISupports and cycle collection
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(xpcAccessibleDocument)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(xpcAccessibleDocument,
+                                                  xpcAccessibleGeneric)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCache)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(xpcAccessibleDocument,
+                                                xpcAccessibleGeneric)
+  tmp->mCache.Clear();
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(xpcAccessibleDocument)
+  NS_INTERFACE_MAP_ENTRY(nsIAccessibleDocument)
+NS_INTERFACE_MAP_END_INHERITING(xpcAccessibleHyperText)
+
+NS_IMPL_ADDREF_INHERITED(xpcAccessibleDocument, xpcAccessibleHyperText)
+NS_IMPL_RELEASE_INHERITED(xpcAccessibleDocument, xpcAccessibleHyperText)
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIAccessibleDocument
+
+NS_IMETHODIMP
+xpcAccessibleDocument::GetURL(nsAString& aURL)
+{
+  if (!Intl())
+    return NS_ERROR_FAILURE;
+
+  Intl()->URL(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 (!Intl())
+    return NS_ERROR_FAILURE;
+
+  Intl()->MimeType(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(nsIDOMDocument** aDOMDocument)
+{
+  NS_ENSURE_ARG_POINTER(aDOMDocument);
+  *aDOMDocument = nullptr;
+
+  if (!Intl())
+    return NS_ERROR_FAILURE;
+
+  if (Intl()->DocumentNode())
+    CallQueryInterface(Intl()->DocumentNode(), aDOMDocument);
+
+  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;
+}
+
+NS_IMETHODIMP
+xpcAccessibleDocument::GetVirtualCursor(nsIAccessiblePivot** aVirtualCursor)
+{
+  NS_ENSURE_ARG_POINTER(aVirtualCursor);
+  *aVirtualCursor = nullptr;
+
+  if (!Intl())
+    return NS_ERROR_FAILURE;
+
+  NS_ADDREF(*aVirtualCursor = Intl()->VirtualCursor());
+  return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// xpcAccessibleDocument
+
+xpcAccessibleGeneric*
+xpcAccessibleDocument::GetAccessible(Accessible* aAccessible)
+{
+  MOZ_ASSERT(!mRemote);
+  if (ToXPCDocument(aAccessible->Document()) != this) {
+    NS_ERROR("This XPCOM document is not related with given internal accessible!");
+    return nullptr;
+  }
+
+  if (aAccessible->IsDoc())
+    return this;
+
+  xpcAccessibleGeneric* xpcAcc = mCache.GetWeak(aAccessible);
+  if (xpcAcc)
+    return xpcAcc;
+
+  if (aAccessible->IsImage())
+    xpcAcc = new xpcAccessibleImage(aAccessible);
+  else if (aAccessible->IsTable())
+    xpcAcc = new xpcAccessibleTable(aAccessible);
+  else if (aAccessible->IsTableCell())
+    xpcAcc = new xpcAccessibleTableCell(aAccessible);
+  else if (aAccessible->IsHyperText())
+    xpcAcc = new xpcAccessibleHyperText(aAccessible);
+  else
+    xpcAcc = new xpcAccessibleGeneric(aAccessible);
+
+  mCache.Put(aAccessible, xpcAcc);
+  return xpcAcc;
+}
+
+xpcAccessibleGeneric*
+xpcAccessibleDocument::GetXPCAccessible(ProxyAccessible* aProxy)
+{
+  MOZ_ASSERT(mRemote);
+  MOZ_ASSERT(aProxy->Document() == mIntl.AsProxy());
+  if (aProxy->IsDoc()) {
+    return this;
+  }
+
+  xpcAccessibleGeneric* acc = mCache.GetWeak(aProxy);
+  if (acc) {
+    return acc;
+  }
+
+  // XXX support exposing optional interfaces.
+  uint8_t interfaces = 0;
+  if (aProxy->mHasValue) {
+    interfaces |= eValue;
+  }
+  
+  if (aProxy->mIsHyperLink) {
+    interfaces |= eHyperLink;
+  }
+
+  if (aProxy->mIsHyperText) {
+    interfaces |= eText;
+    acc = new xpcAccessibleHyperText(aProxy, interfaces);
+    mCache.Put(aProxy, acc);
+
+    return acc;
+  }
+
+  acc = new xpcAccessibleGeneric(aProxy, interfaces);
+  mCache.Put(aProxy, acc);
+
+  return acc;
+}
+
+void
+xpcAccessibleDocument::Shutdown()
+{
+  for (auto iter = mCache.Iter(); !iter.Done(); iter.Next()) {
+    iter.Data()->Shutdown();
+    iter.Remove();
+  }
+  xpcAccessibleGeneric::Shutdown();
+}
+
+xpcAccessibleGeneric*
+a11y::ToXPC(AccessibleOrProxy aAcc)
+{
+  if (aAcc.IsNull()) {
+    return nullptr;
+  }
+
+  if (aAcc.IsAccessible()) {
+    return ToXPC(aAcc.AsAccessible());
+  }
+
+ xpcAccessibleDocument* doc = ToXPCDocument(aAcc.AsProxy()->Document());
+ return doc->GetXPCAccessible(aAcc.AsProxy());
+}