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