AccessibilityTextMarker.cpp revision f05b935882198ccf7d81675736e3aeb089c5113a 
1/*
2 * Copyright (C) 2010 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 "AccessibilityTextMarker.h"
28
29#include "AccessibilityUIElement.h"
30#include <JavaScriptCore/JSRetainPtr.h>
31
32#pragma mark AccessibilityTextMarker
33
34// Callback methods
35
36AccessibilityTextMarker* toTextMarker(JSObjectRef object)
37{
38    return static_cast<AccessibilityTextMarker*>(JSObjectGetPrivate(object));
39}
40
41static JSValueRef isMarkerEqualCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
42{
43    if (argumentCount != 1)
44        return JSValueMakeBoolean(context, false);
45
46    JSObjectRef otherMarker = JSValueToObject(context, arguments[0], exception);
47    return JSValueMakeBoolean(context, toTextMarker(thisObject)->isEqual(toTextMarker(otherMarker)));
48}
49
50// Destruction
51
52static void markerFinalize(JSObjectRef thisObject)
53{
54    delete toTextMarker(thisObject);
55}
56
57// Object Creation
58
59JSObjectRef AccessibilityTextMarker::makeJSAccessibilityTextMarker(JSContextRef context, const AccessibilityTextMarker& element)
60{
61    return JSObjectMake(context, AccessibilityTextMarker::getJSClass(), new AccessibilityTextMarker(element));
62}
63
64JSClassRef AccessibilityTextMarker::getJSClass()
65{
66    static JSStaticValue staticValues[] = {
67        { 0, 0, 0, 0 }
68    };
69
70    static JSStaticFunction staticFunctions[] = {
71        { "isEqual", isMarkerEqualCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
72        { 0, 0, 0 }
73    };
74
75    static JSClassDefinition classDefinition = {
76        0, kJSClassAttributeNone, "AccessibilityTextMarker", 0, staticValues, staticFunctions,
77        0, markerFinalize, 0, 0, 0, 0, 0, 0, 0, 0, 0
78    };
79
80    static JSClassRef accessibilityTextMarkerClass = JSClassCreate(&classDefinition);
81    return accessibilityTextMarkerClass;
82}
83
84#pragma mark AccessibilityTextMarkerRange
85
86// Callback methods
87
88AccessibilityTextMarkerRange* toTextMarkerRange(JSObjectRef object)
89{
90    return static_cast<AccessibilityTextMarkerRange*>(JSObjectGetPrivate(object));
91}
92
93static JSValueRef isMarkerRangeEqualCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
94{
95    if (argumentCount != 1)
96        return JSValueMakeBoolean(context, false);
97
98    JSObjectRef otherMarker = JSValueToObject(context, arguments[0], exception);
99    return JSValueMakeBoolean(context, toTextMarkerRange(thisObject)->isEqual(toTextMarkerRange(otherMarker)));
100}
101
102// Destruction
103
104static void markerRangeFinalize(JSObjectRef thisObject)
105{
106    delete toTextMarkerRange(thisObject);
107}
108
109// Object Creation
110
111JSObjectRef AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(JSContextRef context, const AccessibilityTextMarkerRange& element)
112{
113    return JSObjectMake(context, AccessibilityTextMarkerRange::getJSClass(), new AccessibilityTextMarkerRange(element));
114}
115
116JSClassRef AccessibilityTextMarkerRange::getJSClass()
117{
118    static JSStaticValue staticValues[] = {
119        { 0, 0, 0, 0 }
120    };
121
122    static JSStaticFunction staticFunctions[] = {
123        { "isEqual", isMarkerRangeEqualCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
124        { 0, 0, 0 }
125    };
126
127    static JSClassDefinition classDefinition = {
128        0, kJSClassAttributeNone, "AccessibilityTextMarkerRange", 0, staticValues, staticFunctions,
129        0, markerRangeFinalize, 0, 0, 0, 0, 0, 0, 0, 0, 0
130    };
131
132    static JSClassRef accessibilityTextMarkerRangeClass = JSClassCreate(&classDefinition);
133    return accessibilityTextMarkerRangeClass;
134}
135