From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- accessible/atk/nsMaiInterfaceDocument.cpp | 151 ++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 accessible/atk/nsMaiInterfaceDocument.cpp (limited to 'accessible/atk/nsMaiInterfaceDocument.cpp') 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); +} +} -- cgit v1.2.3