michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "InterfaceInitFuncs.h"
michael@0: 
michael@0: #include "Accessible-inl.h"
michael@0: #include "AccessibleWrap.h"
michael@0: #include "DocAccessible.h"
michael@0: #include "nsMai.h"
michael@0: #include "mozilla/Likely.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: static const char* const kDocTypeName = "W3C-doctype";
michael@0: static const char* const kDocUrlName = "DocURL";
michael@0: static const char* const kMimeTypeName = "MimeType";
michael@0: 
michael@0: // below functions are vfuncs on an ATK  interface so they need to be C call
michael@0: extern "C" {
michael@0: 
michael@0: static const gchar* getDocumentLocaleCB(AtkDocument* aDocument);
michael@0: static AtkAttributeSet* getDocumentAttributesCB(AtkDocument* aDocument);
michael@0: static const gchar* getDocumentAttributeValueCB(AtkDocument* aDocument,
michael@0:                                                 const gchar* aAttrName);
michael@0: 
michael@0: void
michael@0: documentInterfaceInitCB(AtkDocumentIface *aIface)
michael@0: {
michael@0:     NS_ASSERTION(aIface, "Invalid Interface");
michael@0:     if(MOZ_UNLIKELY(!aIface))
michael@0:         return;
michael@0: 
michael@0:     /*
michael@0:      * We don't support get_document or set_attribute right now.
michael@0:      * get_document_type is deprecated, we return DocType in
michael@0:      * get_document_attribute_value and get_document_attributes instead.
michael@0:      */
michael@0:     aIface->get_document_attributes = getDocumentAttributesCB;
michael@0:     aIface->get_document_attribute_value = getDocumentAttributeValueCB;
michael@0:     aIface->get_document_locale = getDocumentLocaleCB;
michael@0: }
michael@0: 
michael@0: const gchar *
michael@0: getDocumentLocaleCB(AtkDocument *aDocument)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
michael@0:   if (!accWrap)
michael@0:     return nullptr;
michael@0: 
michael@0:   nsAutoString locale;
michael@0:   accWrap->Language(locale);
michael@0:   return locale.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(locale);
michael@0: }
michael@0: 
michael@0: static inline GSList *
michael@0: prependToList(GSList *aList, const char *const aName, const nsAutoString &aValue)
michael@0: {
michael@0:   if (aValue.IsEmpty())
michael@0:     return aList;
michael@0: 
michael@0:     // libspi will free these
michael@0:     AtkAttribute *atkAttr = (AtkAttribute *)g_malloc(sizeof(AtkAttribute));
michael@0:     atkAttr->name = g_strdup(aName);
michael@0:     atkAttr->value = g_strdup(NS_ConvertUTF16toUTF8(aValue).get());
michael@0:     return g_slist_prepend(aList, atkAttr);
michael@0: }
michael@0: 
michael@0: AtkAttributeSet *
michael@0: getDocumentAttributesCB(AtkDocument *aDocument)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
michael@0:   if (!accWrap || !accWrap->IsDoc())
michael@0:     return nullptr;
michael@0: 
michael@0:   // according to atkobject.h, AtkAttributeSet is a GSList
michael@0:   GSList* attributes = nullptr;
michael@0:   DocAccessible* document = accWrap->AsDoc();
michael@0:   nsAutoString aURL;
michael@0:   nsresult rv = document->GetURL(aURL);
michael@0:   if (NS_SUCCEEDED(rv))
michael@0:     attributes = prependToList(attributes, kDocUrlName, aURL);
michael@0: 
michael@0:   nsAutoString aW3CDocType;
michael@0:   rv = document->GetDocType(aW3CDocType);
michael@0:   if (NS_SUCCEEDED(rv))
michael@0:     attributes = prependToList(attributes, kDocTypeName, aW3CDocType);
michael@0: 
michael@0:   nsAutoString aMimeType;
michael@0:   rv = document->GetMimeType(aMimeType);
michael@0:   if (NS_SUCCEEDED(rv))
michael@0:     attributes = prependToList(attributes, kMimeTypeName, aMimeType);
michael@0: 
michael@0:   return attributes;
michael@0: }
michael@0: 
michael@0: const gchar *
michael@0: getDocumentAttributeValueCB(AtkDocument *aDocument,
michael@0:                             const gchar *aAttrName)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
michael@0:   if (!accWrap || !accWrap->IsDoc())
michael@0:     return nullptr;
michael@0: 
michael@0:   DocAccessible* document = accWrap->AsDoc();
michael@0:   nsresult rv;
michael@0:   nsAutoString attrValue;
michael@0:   if (!strcasecmp(aAttrName, kDocTypeName))
michael@0:     rv = document->GetDocType(attrValue);
michael@0:   else if (!strcasecmp(aAttrName, kDocUrlName))
michael@0:     rv = document->GetURL(attrValue);
michael@0:   else if (!strcasecmp(aAttrName, kMimeTypeName))
michael@0:     rv = document->GetMimeType(attrValue);
michael@0:   else
michael@0:     return nullptr;
michael@0: 
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:   return attrValue.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(attrValue);
michael@0: }
michael@0: }