2
* Copyright (C) 2011 Apple Inc. All Rights Reserved.
4
* Redistribution and use in source and binary forms, with or without
5
* modification, are permitted provided that the following conditions
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.
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.
26
#ifndef AccessibilityController_h
27
#define AccessibilityController_h
29
#include "AccessibilityUIElement.h"
30
#include "JSWrappable.h"
31
#include <JavaScriptCore/JSObjectRef.h>
32
#include <wtf/Platform.h>
39
class AccessibilityController : public JSWrappable {
41
static PassRefPtr<AccessibilityController> create();
42
~AccessibilityController();
44
void makeWindowObject(JSContextRef, JSObjectRef windowObject, JSValueRef* exception);
45
virtual JSClassRef wrapperClass();
47
// Controller Methods - platform-independent implementations.
48
PassRefPtr<AccessibilityUIElement> rootElement();
49
PassRefPtr<AccessibilityUIElement> focusedElement();
50
PassRefPtr<AccessibilityUIElement> elementAtPoint(int x, int y);
51
PassRefPtr<AccessibilityUIElement> accessibleElementById(JSStringRef idAttribute);
53
bool addNotificationListener(JSValueRef functionCallback);
54
bool removeNotificationListener();
56
// Here for consistency with DRT. Not implemented because they don't do anything on the Mac.
57
void logFocusEvents() { }
58
void logValueChangeEvents() { }
59
void logScrollingStartEvents() { }
60
void logAccessibilityEvents();
62
void resetToConsistentState();
65
AccessibilityController();
68
RetainPtr<NotificationHandler> m_globalNotificationHandler;
71
#if PLATFORM(GTK) || PLATFORM(EFL)
72
unsigned m_stateChangeListenerId;
73
unsigned m_focusEventListenerId;
74
unsigned m_activeDescendantChangedListenerId;
75
unsigned m_childrenChangedListenerId;
76
unsigned m_propertyChangedListenerId;
77
unsigned m_visibleDataChangedListenerId;
83
#endif // AccessibilityController_h