The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/atk/nsMaiInterfaceDocument.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,122 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "InterfaceInitFuncs.h"
    1.11 +
    1.12 +#include "Accessible-inl.h"
    1.13 +#include "AccessibleWrap.h"
    1.14 +#include "DocAccessible.h"
    1.15 +#include "nsMai.h"
    1.16 +#include "mozilla/Likely.h"
    1.17 +
    1.18 +using namespace mozilla::a11y;
    1.19 +
    1.20 +static const char* const kDocTypeName = "W3C-doctype";
    1.21 +static const char* const kDocUrlName = "DocURL";
    1.22 +static const char* const kMimeTypeName = "MimeType";
    1.23 +
    1.24 +// below functions are vfuncs on an ATK  interface so they need to be C call
    1.25 +extern "C" {
    1.26 +
    1.27 +static const gchar* getDocumentLocaleCB(AtkDocument* aDocument);
    1.28 +static AtkAttributeSet* getDocumentAttributesCB(AtkDocument* aDocument);
    1.29 +static const gchar* getDocumentAttributeValueCB(AtkDocument* aDocument,
    1.30 +                                                const gchar* aAttrName);
    1.31 +
    1.32 +void
    1.33 +documentInterfaceInitCB(AtkDocumentIface *aIface)
    1.34 +{
    1.35 +    NS_ASSERTION(aIface, "Invalid Interface");
    1.36 +    if(MOZ_UNLIKELY(!aIface))
    1.37 +        return;
    1.38 +
    1.39 +    /*
    1.40 +     * We don't support get_document or set_attribute right now.
    1.41 +     * get_document_type is deprecated, we return DocType in
    1.42 +     * get_document_attribute_value and get_document_attributes instead.
    1.43 +     */
    1.44 +    aIface->get_document_attributes = getDocumentAttributesCB;
    1.45 +    aIface->get_document_attribute_value = getDocumentAttributeValueCB;
    1.46 +    aIface->get_document_locale = getDocumentLocaleCB;
    1.47 +}
    1.48 +
    1.49 +const gchar *
    1.50 +getDocumentLocaleCB(AtkDocument *aDocument)
    1.51 +{
    1.52 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
    1.53 +  if (!accWrap)
    1.54 +    return nullptr;
    1.55 +
    1.56 +  nsAutoString locale;
    1.57 +  accWrap->Language(locale);
    1.58 +  return locale.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(locale);
    1.59 +}
    1.60 +
    1.61 +static inline GSList *
    1.62 +prependToList(GSList *aList, const char *const aName, const nsAutoString &aValue)
    1.63 +{
    1.64 +  if (aValue.IsEmpty())
    1.65 +    return aList;
    1.66 +
    1.67 +    // libspi will free these
    1.68 +    AtkAttribute *atkAttr = (AtkAttribute *)g_malloc(sizeof(AtkAttribute));
    1.69 +    atkAttr->name = g_strdup(aName);
    1.70 +    atkAttr->value = g_strdup(NS_ConvertUTF16toUTF8(aValue).get());
    1.71 +    return g_slist_prepend(aList, atkAttr);
    1.72 +}
    1.73 +
    1.74 +AtkAttributeSet *
    1.75 +getDocumentAttributesCB(AtkDocument *aDocument)
    1.76 +{
    1.77 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
    1.78 +  if (!accWrap || !accWrap->IsDoc())
    1.79 +    return nullptr;
    1.80 +
    1.81 +  // according to atkobject.h, AtkAttributeSet is a GSList
    1.82 +  GSList* attributes = nullptr;
    1.83 +  DocAccessible* document = accWrap->AsDoc();
    1.84 +  nsAutoString aURL;
    1.85 +  nsresult rv = document->GetURL(aURL);
    1.86 +  if (NS_SUCCEEDED(rv))
    1.87 +    attributes = prependToList(attributes, kDocUrlName, aURL);
    1.88 +
    1.89 +  nsAutoString aW3CDocType;
    1.90 +  rv = document->GetDocType(aW3CDocType);
    1.91 +  if (NS_SUCCEEDED(rv))
    1.92 +    attributes = prependToList(attributes, kDocTypeName, aW3CDocType);
    1.93 +
    1.94 +  nsAutoString aMimeType;
    1.95 +  rv = document->GetMimeType(aMimeType);
    1.96 +  if (NS_SUCCEEDED(rv))
    1.97 +    attributes = prependToList(attributes, kMimeTypeName, aMimeType);
    1.98 +
    1.99 +  return attributes;
   1.100 +}
   1.101 +
   1.102 +const gchar *
   1.103 +getDocumentAttributeValueCB(AtkDocument *aDocument,
   1.104 +                            const gchar *aAttrName)
   1.105 +{
   1.106 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
   1.107 +  if (!accWrap || !accWrap->IsDoc())
   1.108 +    return nullptr;
   1.109 +
   1.110 +  DocAccessible* document = accWrap->AsDoc();
   1.111 +  nsresult rv;
   1.112 +  nsAutoString attrValue;
   1.113 +  if (!strcasecmp(aAttrName, kDocTypeName))
   1.114 +    rv = document->GetDocType(attrValue);
   1.115 +  else if (!strcasecmp(aAttrName, kDocUrlName))
   1.116 +    rv = document->GetURL(attrValue);
   1.117 +  else if (!strcasecmp(aAttrName, kMimeTypeName))
   1.118 +    rv = document->GetMimeType(attrValue);
   1.119 +  else
   1.120 +    return nullptr;
   1.121 +
   1.122 +  NS_ENSURE_SUCCESS(rv, nullptr);
   1.123 +  return attrValue.IsEmpty() ? nullptr : AccessibleWrap::ReturnString(attrValue);
   1.124 +}
   1.125 +}