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      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 // MARK: AccessibilityTextMarker
     33 
     34 // Callback methods
     35 
     36 AccessibilityTextMarker* toTextMarker(JSObjectRef object)
     37 {
     38     return static_cast<AccessibilityTextMarker*>(JSObjectGetPrivate(object));
     39 }
     40 
     41 static 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 
     52 static void markerFinalize(JSObjectRef thisObject)
     53 {
     54     delete toTextMarker(thisObject);
     55 }
     56 
     57 // Object Creation
     58 
     59 JSObjectRef AccessibilityTextMarker::makeJSAccessibilityTextMarker(JSContextRef context, const AccessibilityTextMarker& element)
     60 {
     61     return JSObjectMake(context, AccessibilityTextMarker::getJSClass(), new AccessibilityTextMarker(element));
     62 }
     63 
     64 JSClassRef 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 // MARK: AccessibilityTextMarkerRange
     85 
     86 // Callback methods
     87 
     88 AccessibilityTextMarkerRange* toTextMarkerRange(JSObjectRef object)
     89 {
     90     return static_cast<AccessibilityTextMarkerRange*>(JSObjectGetPrivate(object));
     91 }
     92 
     93 static 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 
    104 static void markerRangeFinalize(JSObjectRef thisObject)
    105 {
    106     delete toTextMarkerRange(thisObject);
    107 }
    108 
    109 // Object Creation
    110 
    111 JSObjectRef AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(JSContextRef context, const AccessibilityTextMarkerRange& element)
    112 {
    113     return JSObjectMake(context, AccessibilityTextMarkerRange::getJSClass(), new AccessibilityTextMarkerRange(element));
    114 }
    115 
    116 JSClassRef 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