1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* Copyright (C) 2011 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AccessibilityController.h"
#include "AccessibilityUIElement.h"
#include "InjectedBundle.h"
#include "InjectedBundlePage.h"
#include "JSAccessibilityController.h"
#include <JavaScriptCore/JSRetainPtr.h>
#include <WebKit2/WKBundle.h>
#include <WebKit2/WKBundlePage.h>
#include <WebKit2/WKBundlePagePrivate.h>
namespace WTR {
PassRefPtr<AccessibilityController> AccessibilityController::create()
{
return adoptRef(new AccessibilityController);
}
AccessibilityController::AccessibilityController()
#if PLATFORM(GTK) || PLATFORM(EFL)
: m_stateChangeListenerId(0)
, m_focusEventListenerId(0)
, m_activeDescendantChangedListenerId(0)
, m_childrenChangedListenerId(0)
, m_propertyChangedListenerId(0)
, m_visibleDataChangedListenerId(0)
#endif
{
}
AccessibilityController::~AccessibilityController()
{
}
void AccessibilityController::makeWindowObject(JSContextRef context, JSObjectRef windowObject, JSValueRef* exception)
{
setProperty(context, windowObject, "accessibilityController", this, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete, exception);
}
JSClassRef AccessibilityController::wrapperClass()
{
return JSAccessibilityController::accessibilityControllerClass();
}
#if !PLATFORM(GTK) && !PLATFORM(EFL)
PassRefPtr<AccessibilityUIElement> AccessibilityController::rootElement()
{
// FIXME: Make this work on Windows.
#if PLATFORM(WIN)
return 0;
#else
WKBundlePageRef page = InjectedBundle::shared().page()->page();
void* root = WKAccessibilityRootObject(page);
return AccessibilityUIElement::create(static_cast<PlatformUIElement>(root));
#endif
}
PassRefPtr<AccessibilityUIElement> AccessibilityController::focusedElement()
{
// FIXME: Make this work on Windows.
#if PLATFORM(WIN)
return 0;
#else
WKBundlePageRef page = InjectedBundle::shared().page()->page();
void* root = WKAccessibilityFocusedObject(page);
return AccessibilityUIElement::create(static_cast<PlatformUIElement>(root));
#endif
}
#endif
PassRefPtr<AccessibilityUIElement> AccessibilityController::elementAtPoint(int x, int y)
{
RefPtr<AccessibilityUIElement> uiElement = rootElement();
return uiElement->elementAtPoint(x, y);
}
// Unsupported methods on various platforms.
// As they're implemented on other platforms this list should be modified.
#if !PLATFORM(MAC)
bool AccessibilityController::addNotificationListener(JSValueRef) { return false; }
bool AccessibilityController::removeNotificationListener() { return false; }
#endif
#if !PLATFORM(MAC) && !PLATFORM(GTK) && !PLATFORM(EFL)
PassRefPtr<AccessibilityUIElement> AccessibilityController::accessibleElementById(JSStringRef attribute) { return 0; }
#endif
#if !PLATFORM(GTK) && !PLATFORM(EFL) && !PLATFORM(MAC)
void AccessibilityController::logAccessibilityEvents() { }
void AccessibilityController::resetToConsistentState() { }
#endif
} // namespace WTR
|
