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-rw-r--r--accessible/atk/nsMaiInterfaceDocument.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceDocument.cpp b/accessible/atk/nsMaiInterfaceDocument.cpp
new file mode 100644
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+++ b/accessible/atk/nsMaiInterfaceDocument.cpp
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+/* -*- 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);
+}
+}