1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "AccessibilityController.h"
28
29 #include "AccessibilityUIElement.h"
30 #include <JavaScriptCore/JSRetainPtr.h>
31
32 // Static Value Getters
33
getFocusedElementCallback(JSContextRef context,JSObjectRef thisObject,JSStringRef propertyName,JSValueRef * exception)34 static JSValueRef getFocusedElementCallback(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
35 {
36 AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
37 return AccessibilityUIElement::makeJSAccessibilityUIElement(context, controller->focusedElement());
38 }
39
getRootElementCallback(JSContextRef context,JSObjectRef thisObject,JSStringRef propertyName,JSValueRef * exception)40 static JSValueRef getRootElementCallback(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
41 {
42 AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
43 return AccessibilityUIElement::makeJSAccessibilityUIElement(context, controller->rootElement());
44 }
45
46 // Object Creation
47
makeWindowObject(JSContextRef context,JSObjectRef windowObject,JSValueRef * exception)48 void AccessibilityController::makeWindowObject(JSContextRef context, JSObjectRef windowObject, JSValueRef* exception)
49 {
50 JSRetainPtr<JSStringRef> accessibilityControllerStr(Adopt, JSStringCreateWithUTF8CString("accessibilityController"));
51 JSValueRef accessibilityControllerObject = JSObjectMake(context, getJSClass(), this);
52 JSObjectSetProperty(context, windowObject, accessibilityControllerStr.get(), accessibilityControllerObject, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete, exception);
53 }
54
getJSClass()55 JSClassRef AccessibilityController::getJSClass()
56 {
57 static JSStaticValue staticValues[] = {
58 { "focusedElement", getFocusedElementCallback, 0, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
59 { "rootElement", getRootElementCallback, 0, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
60 { 0, 0, 0, 0 }
61 };
62
63 static JSClassDefinition classDefinition = {
64 0, kJSClassAttributeNone, "AccessibilityController", 0, staticValues, 0,
65 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
66 };
67
68 static JSClassRef accessibilityControllerClass = JSClassCreate(&classDefinition);
69 return accessibilityControllerClass;
70 }
71