Add m-esr52 at 52.6.0

1 files changed, 151 insertions, 0 deletions

diff --git a/accessible/atk/nsMaiInterfaceDocument.cpp b/accessible/atk/nsMaiInterfaceDocument.cpp
new file mode 100644
index 000000000..801028f9c
--- /dev/null
+++ b/accessible/atk/nsMaiInterfaceDocument.cpp
@@ -0,0 +1,151 @@
+/* -*- 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 "Accessible-inl.h"
+#include "AccessibleWrap.h"
+#include "DocAccessible.h"
+#include "nsMai.h"
+#include "ProxyAccessible.h"
+#include "mozilla/Likely.h"
+
+using namespace mozilla::a11y;
+
+static const char* const kDocTypeName = "W3C-doctype";
+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.
+     * get_document_type is deprecated, we return DocType in
+     * get_document_attribute_value and get_document_attributes instead.
+     */
+    aIface->get_document_attributes = getDocumentAttributesCB;
+    aIface->get_document_attribute_value = getDocumentAttributeValueCB;
+    aIface->get_document_locale = getDocumentLocaleCB;
+}
+
+const gchar *
+getDocumentLocaleCB(AtkDocument *aDocument)
+{
+  nsAutoString locale;
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
+  if (accWrap) {
+    accWrap->Language(locale);
+  } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aDocument))) {
+    proxy->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 w3cDocType;
+  nsAutoString mimeType;
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
+  if (accWrap) {
+    if (!accWrap->IsDoc()) {
+      return nullptr;
+    }
+
+    DocAccessible* document = accWrap->AsDoc();
+    document->URL(url);
+    document->DocType(w3cDocType);
+    document->MimeType(mimeType);
+  } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aDocument))) {
+    proxy->URLDocTypeMimeType(url, w3cDocType, mimeType);
+  } else {
+    return nullptr;
+  }
+
+  // according to atkobject.h, AtkAttributeSet is a GSList
+  GSList* attributes = nullptr;
+  attributes = prependToList(attributes, kDocUrlName, url);
+  attributes = prependToList(attributes, kDocTypeName, w3cDocType);
+  attributes = prependToList(attributes, kMimeTypeName, mimeType);
+
+  return attributes;
+}
+
+const gchar *
+getDocumentAttributeValueCB(AtkDocument *aDocument,
+                            const gchar *aAttrName)
+{
+  ProxyAccessible* proxy = nullptr;
+  DocAccessible* document = nullptr;
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
+  if (accWrap) {
+    if (!accWrap->IsDoc()) {
+      return nullptr;
+    }
+
+    document = accWrap->AsDoc();
+  } else {
+    proxy = GetProxy(ATK_OBJECT(aDocument));
+    if (!proxy) {
+      return nullptr;
+    }
+  }
+
+  nsAutoString attrValue;
+  if (!strcasecmp(aAttrName, kDocTypeName)) {
+    if (document) {
+      document->DocType(attrValue);
+    } else {
+      proxy->DocType(attrValue);
+    }
+  } else if (!strcasecmp(aAttrName, kDocUrlName)) {
+    if (document) {
+      document->URL(attrValue);
+    } else {
+      proxy->URL(attrValue);
+    }
+  } else if (!strcasecmp(aAttrName, kMimeTypeName)) {
+    if (document) {
+      document->MimeType(attrValue);
+    } else {
+      proxy->MimeType(attrValue);
+    }
+  } else {
+    return nullptr;
+  }
+
+  return attrValue.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(attrValue);
+}
+}