| 1 | /* |
| 2 | * Copyright (C) 2008 Nuanti Ltd. |
| 3 | * Copyright (C) 2009 Jan Alonzo |
| 4 | * Copyright (C) 2012 Igalia S.L. |
| 5 | * Copyright (C) 2013 Samsung Electronics |
| 6 | * |
| 7 | * Portions from Mozilla a11y, copyright as follows: |
| 8 | * |
| 9 | * The Original Code is mozilla.org code. |
| 10 | * |
| 11 | * The Initial Developer of the Original Code is |
| 12 | * Sun Microsystems, Inc. |
| 13 | * Portions created by the Initial Developer are Copyright (C) 2002 |
| 14 | * the Initial Developer. All Rights Reserved. |
| 15 | * |
| 16 | * This library is free software; you can redistribute it and/or |
| 17 | * modify it under the terms of the GNU Library General Public |
| 18 | * License as published by the Free Software Foundation; either |
| 19 | * version 2 of the License, or (at your option) any later version. |
| 20 | * |
| 21 | * This library is distributed in the hope that it will be useful, |
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 24 | * Library General Public License for more details. |
| 25 | * |
| 26 | * You should have received a copy of the GNU Library General Public License |
| 27 | * along with this library; see the file COPYING.LIB. If not, write to |
| 28 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 29 | * Boston, MA 02110-1301, USA. |
| 30 | */ |
| 31 | |
| 32 | #include "config.h" |
| 33 | #include "WebKitAccessibleInterfaceDocument.h" |
| 34 | |
| 35 | #if HAVE(ACCESSIBILITY) |
| 36 | |
| 37 | #include "AccessibilityObject.h" |
| 38 | #include "Document.h" |
| 39 | #include "DocumentType.h" |
| 40 | #include "WebKitAccessible.h" |
| 41 | #include "WebKitAccessibleUtil.h" |
| 42 | |
| 43 | using namespace WebCore; |
| 44 | |
| 45 | static AccessibilityObject* core(AtkDocument* document) |
| 46 | { |
| 47 | if (!WEBKIT_IS_ACCESSIBLE(document)) |
| 48 | return 0; |
| 49 | |
| 50 | return &webkitAccessibleGetAccessibilityObject(WEBKIT_ACCESSIBLE(document)); |
| 51 | } |
| 52 | |
| 53 | static const gchar* documentAttributeValue(AtkDocument* document, const gchar* attribute) |
| 54 | { |
| 55 | Document* coreDocument = core(document)->document(); |
| 56 | if (!coreDocument) |
| 57 | return 0; |
| 58 | |
| 59 | String value; |
| 60 | AtkCachedProperty atkCachedProperty; |
| 61 | |
| 62 | if (!g_ascii_strcasecmp(attribute, "DocType" ) && coreDocument->doctype()) { |
| 63 | value = coreDocument->doctype()->name(); |
| 64 | atkCachedProperty = AtkCachedDocumentType; |
| 65 | } else if (!g_ascii_strcasecmp(attribute, "Encoding" )) { |
| 66 | value = coreDocument->charset(); |
| 67 | atkCachedProperty = AtkCachedDocumentEncoding; |
| 68 | } else if (!g_ascii_strcasecmp(attribute, "URI" )) { |
| 69 | value = coreDocument->documentURI(); |
| 70 | atkCachedProperty = AtkCachedDocumentURI; |
| 71 | } |
| 72 | |
| 73 | if (!value.isEmpty()) |
| 74 | return webkitAccessibleCacheAndReturnAtkProperty(WEBKIT_ACCESSIBLE(document), atkCachedProperty, value.utf8()); |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | static const gchar* webkitAccessibleDocumentGetAttributeValue(AtkDocument* document, const gchar* attribute) |
| 80 | { |
| 81 | g_return_val_if_fail(ATK_IS_DOCUMENT(document), 0); |
| 82 | returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(document), 0); |
| 83 | |
| 84 | return documentAttributeValue(document, attribute); |
| 85 | } |
| 86 | |
| 87 | static AtkAttributeSet* webkitAccessibleDocumentGetAttributes(AtkDocument* document) |
| 88 | { |
| 89 | g_return_val_if_fail(ATK_IS_DOCUMENT(document), 0); |
| 90 | returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(document), 0); |
| 91 | |
| 92 | AtkAttributeSet* attributeSet = nullptr; |
| 93 | const gchar* attributes[] = { "DocType" , "Encoding" , "URI" }; |
| 94 | |
| 95 | for (unsigned i = 0; i < G_N_ELEMENTS(attributes); i++) { |
| 96 | const gchar* value = documentAttributeValue(document, attributes[i]); |
| 97 | if (value) |
| 98 | attributeSet = addToAtkAttributeSet(attributeSet, attributes[i], value); |
| 99 | } |
| 100 | |
| 101 | return attributeSet; |
| 102 | } |
| 103 | |
| 104 | static const gchar* webkitAccessibleDocumentGetLocale(AtkDocument* document) |
| 105 | { |
| 106 | g_return_val_if_fail(ATK_IS_DOCUMENT(document), 0); |
| 107 | returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(document), 0); |
| 108 | |
| 109 | // The logic to resolve locale has been moved to |
| 110 | // AtkObject::get_object_locale() virtual method. However, to avoid breaking |
| 111 | // clients expecting the deprecated AtkDocumentIface::get_document_locale() |
| 112 | // to be overriden, method is kept and chained up to |
| 113 | // AtkObject::get_object_locale(). <https://bugs.webkit.org/show_bug.cgi?id=115647> |
| 114 | return atk_object_get_object_locale(ATK_OBJECT(document)); |
| 115 | } |
| 116 | |
| 117 | void webkitAccessibleDocumentInterfaceInit(AtkDocumentIface* iface) |
| 118 | { |
| 119 | iface->get_document_attribute_value = webkitAccessibleDocumentGetAttributeValue; |
| 120 | iface->get_document_attributes = webkitAccessibleDocumentGetAttributes; |
| 121 | iface->get_document_locale = webkitAccessibleDocumentGetLocale; |
| 122 | } |
| 123 | |
| 124 | #endif |
| 125 | |