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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);
}
}
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