mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 16:32:59 +00:00
107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/* -*- 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);
|
|
}
|
|
}
|