1/*
2 * Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "CurrentThisInsideBlockGetterTest.h"
27
28#if JSC_OBJC_API_ENABLED
29
30#import <Foundation/Foundation.h>
31#import <JavaScriptCore/JavaScriptCore.h>
32
33static JSObjectRef CallAsConstructor(JSContextRef ctx, JSObjectRef constructor, size_t, const JSValueRef[], JSValueRef*)
34{
35    JSObjectRef newObjectRef = NULL;
36    NSMutableDictionary *constructorPrivateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(constructor));
37    NSDictionary *constructorDescriptor = constructorPrivateProperties[@"constructorDescriptor"];
38    newObjectRef = JSObjectMake(ctx, NULL, NULL);
39    NSDictionary *objectProperties = constructorDescriptor[@"objectProperties"];
40
41    if (objectProperties) {
42        JSValue *newObject = [JSValue valueWithJSValueRef:newObjectRef inContext:[JSContext contextWithJSGlobalContextRef:JSContextGetGlobalContext(ctx)]];
43        for (NSString *objectProperty in objectProperties) {
44            [newObject defineProperty:objectProperty descriptor:objectProperties[objectProperty]];
45        }
46    }
47
48    return newObjectRef;
49}
50
51static void ConstructorFinalize(JSObjectRef object)
52{
53    NSMutableDictionary *privateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(object));
54    CFBridgingRelease((__bridge CFTypeRef)(privateProperties));
55    JSObjectSetPrivate(object, NULL);
56}
57
58static JSClassRef ConstructorClass(void)
59{
60    static JSClassRef constructorClass = NULL;
61
62    if (constructorClass == NULL) {
63        JSClassDefinition classDefinition = kJSClassDefinitionEmpty;
64        classDefinition.className = "Constructor";
65        classDefinition.callAsConstructor = CallAsConstructor;
66        classDefinition.finalize = ConstructorFinalize;
67        constructorClass = JSClassCreate(&classDefinition);
68    }
69
70    return constructorClass;
71}
72
73@interface JSValue (ConstructorCreation)
74
75+ (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor inContext:(JSContext *)context;
76
77@end
78
79@implementation JSValue (ConstructorCreation)
80
81+ (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor inContext:(JSContext *)context
82{
83    NSMutableDictionary *privateProperties = [@{ @"constructorDescriptor" : constructorDescriptor } mutableCopy];
84    JSGlobalContextRef ctx = [context JSGlobalContextRef];
85    JSObjectRef constructorRef = JSObjectMake(ctx, ConstructorClass(), (void *)CFBridgingRetain(privateProperties));
86    JSValue *constructor = [JSValue valueWithJSValueRef:constructorRef inContext:context];
87    return constructor;
88}
89
90@end
91
92@interface JSContext (ConstructorCreation)
93
94- (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor;
95
96@end
97
98@implementation JSContext (ConstructorCreation)
99
100- (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor
101{
102    return [JSValue valueWithConstructorDescriptor:constructorDescriptor inContext:self];
103}
104
105@end
106
107void currentThisInsideBlockGetterTest()
108{
109    @autoreleasepool {
110        JSContext *context = [[JSContext alloc] init];
111
112        JSValue *myConstructor = [context valueWithConstructorDescriptor:@{
113            @"objectProperties" : @{
114                @"currentThis" : @{ JSPropertyDescriptorGetKey : ^{ return JSContext.currentThis; } },
115            },
116        }];
117
118        JSValue *myObj1 = [myConstructor constructWithArguments:nil];
119        NSLog(@"myObj1.currentThis: %@", myObj1[@"currentThis"]);
120        JSValue *myObj2 = [myConstructor constructWithArguments:@[ @"bar" ]];
121        NSLog(@"myObj2.currentThis: %@", myObj2[@"currentThis"]);
122    }
123}
124
125#endif // JSC_OBJC_API_ENABLED
126