1 files changed, 106 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceDocument.cpp b/accessible/atk/nsMaiInterfaceDocument.cpp
new file mode 100644
index 0000000000..da1bffce37
--- /dev/null
+++ b/accessible/atk/nsMaiInterfaceDocument.cpp
@@ -0,0 +1,106 @@
+/* -*- 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 "InterfaceInitFuncs.h"
+
+#include "LocalAccessible-inl.h"
+#include "AccessibleWrap.h"
+#include "DocAccessible.h"
+#include "nsAccUtils.h"
+#include "nsMai.h"
+#include "RemoteAccessible.h"
+#include "mozilla/a11y/DocAccessibleParent.h"
+#include "mozilla/Likely.h"
+
+using namespace mozilla::a11y;
+
+static const char* const kDocUrlName = "DocURL";
+static const char* const kMimeTypeName = "MimeType";
+
+// below functions are vfuncs on an ATK  interface so they need to be C call
+extern "C" {
+
+static const gchar* getDocumentLocaleCB(AtkDocument* aDocument);
+static AtkAttributeSet* getDocumentAttributesCB(AtkDocument* aDocument);
+static const gchar* getDocumentAttributeValueCB(AtkDocument* aDocument,
+                                                const gchar* aAttrName);
+
+void documentInterfaceInitCB(AtkDocumentIface* aIface) {
+  NS_ASSERTION(aIface, "Invalid Interface");
+  if (MOZ_UNLIKELY(!aIface)) return;
+
+  /*
+   * We don't support get_document or set_attribute right now.
+   */
+  aIface->get_document_attributes = getDocumentAttributesCB;
+  aIface->get_document_attribute_value = getDocumentAttributeValueCB;
+  aIface->get_document_locale = getDocumentLocaleCB;
+}
+
+const gchar* getDocumentLocaleCB(AtkDocument* aDocument) {
+  nsAutoString locale;
+  Accessible* acc = GetInternalObj(ATK_OBJECT(aDocument));
+  if (acc) {
+    acc->Language(locale);
+  }
+
+  return locale.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(locale);
+}
+
+static inline GSList* prependToList(GSList* aList, const char* const aName,
+                                    const nsAutoString& aValue) {
+  if (aValue.IsEmpty()) {
+    return aList;
+  }
+
+  // libspi will free these
+  AtkAttribute* atkAttr = (AtkAttribute*)g_malloc(sizeof(AtkAttribute));
+  atkAttr->name = g_strdup(aName);
+  atkAttr->value = g_strdup(NS_ConvertUTF16toUTF8(aValue).get());
+  return g_slist_prepend(aList, atkAttr);
+}
+
+AtkAttributeSet* getDocumentAttributesCB(AtkDocument* aDocument) {
+  nsAutoString url;
+  nsAutoString mimeType;
+  Accessible* acc = GetInternalObj(ATK_OBJECT(aDocument));
+
+  if (!acc || !acc->IsDoc()) {
+    return nullptr;
+  }
+
+  nsAccUtils::DocumentURL(acc, url);
+  nsAccUtils::DocumentMimeType(acc, mimeType);
+
+  // according to atkobject.h, AtkAttributeSet is a GSList
+  GSList* attributes = nullptr;
+  attributes = prependToList(attributes, kDocUrlName, url);
+  attributes = prependToList(attributes, kMimeTypeName, mimeType);
+
+  return attributes;
+}
+
+const gchar* getDocumentAttributeValueCB(AtkDocument* aDocument,
+                                         const gchar* aAttrName) {
+  Accessible* acc = GetInternalObj(ATK_OBJECT(aDocument));
+
+  if (!acc || !acc->IsDoc()) {
+    return nullptr;
+  }
+
+  nsAutoString attrValue;
+  if (!strcasecmp(aAttrName, kDocUrlName)) {
+    nsAccUtils::DocumentURL(acc, attrValue);
+  } else if (!strcasecmp(aAttrName, kMimeTypeName)) {
+    nsAccUtils::DocumentMimeType(acc, attrValue);
+  } else {
+    return nullptr;
+  }
+
+  return attrValue.IsEmpty() ? nullptr
+                             : AccessibleWrap::ReturnString(attrValue);
+}
+}