[V8] document.all gets confused about its prototype chain
[WebKit.git] / Source / WebCore / bindings / v8 / custom / V8StorageCustom.cpp
1 /*
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3 *
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30
31 #include "config.h"
32
33 #if ENABLE(DOM_STORAGE)
34 #include "V8Storage.h"
35
36 #include "Storage.h"
37 #include "V8Binding.h"
38 #include "V8Proxy.h"
39
40 namespace WebCore {
41
42 // Get an array containing the names of indexed properties in a collection.
43 v8::Handle<v8::Array> V8Storage::namedPropertyEnumerator(const v8::AccessorInfo& info)
44 {
45     Storage* storage = V8Storage::toNative(info.Holder());
46     unsigned int length = storage->length();
47     v8::Handle<v8::Array> properties = v8::Array::New(length);
48     for (unsigned int i = 0; i < length; ++i) {
49         String key = storage->key(i);
50         ASSERT(!key.isNull());
51         String val = storage->getItem(key);
52         properties->Set(v8::Integer::New(i), v8String(key));
53     }
54
55     return properties;
56 }
57
58 static v8::Handle<v8::Value> storageGetter(v8::Local<v8::String> v8Name, const v8::AccessorInfo& info)
59 {
60     Storage* storage = V8Storage::toNative(info.Holder());
61     String name = toWebCoreString(v8Name);
62
63     if (storage->contains(name) && name != "length")
64         return v8String(storage->getItem(name));
65
66     return notHandledByInterceptor();
67 }
68
69 v8::Handle<v8::Value> V8Storage::indexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
70 {
71     INC_STATS("DOM.Storage.IndexedPropertyGetter");
72     v8::Local<v8::Integer> indexV8 = v8::Integer::New(index);
73     return storageGetter(indexV8->ToString(), info);
74 }
75
76 v8::Handle<v8::Value> V8Storage::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
77 {
78     INC_STATS("DOM.Storage.NamedPropertyGetter");
79     return storageGetter(name, info);
80 }
81
82 v8::Handle<v8::Integer> V8Storage::namedPropertyQuery(v8::Local<v8::String> v8Name, const v8::AccessorInfo& info)
83 {
84     INC_STATS("DOM.Storage.NamedPropertyQuery");
85
86     Storage* storage = V8Storage::toNative(info.Holder());
87     String name = toWebCoreString(v8Name);
88
89     if (storage->contains(name) && name != "length")
90         return v8::Integer::New(v8::None);
91
92     return v8::Handle<v8::Integer>();
93 }
94
95 static v8::Handle<v8::Value> storageSetter(v8::Local<v8::String> v8Name, v8::Local<v8::Value> v8Value, const v8::AccessorInfo& info)
96 {
97     Storage* storage = V8Storage::toNative(info.Holder());
98     String name = toWebCoreString(v8Name);
99     String value = toWebCoreString(v8Value);
100
101     // Silently ignore length (rather than letting the bindings raise an exception).
102     if (name == "length")
103         return v8Value;
104
105     if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(v8Name).IsEmpty())
106         return notHandledByInterceptor();
107
108     ExceptionCode ec = 0;
109     storage->setItem(name, value, ec);
110     if (ec)
111         return throwError(ec);
112
113     return v8Value;
114 }
115
116 v8::Handle<v8::Value> V8Storage::indexedPropertySetter(uint32_t index, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
117 {
118     INC_STATS("DOM.Storage.NamedPropertyGetter");
119     v8::Local<v8::Integer> indexV8 = v8::Integer::New(index);
120     return storageSetter(indexV8->ToString(), value, info);
121 }
122
123 v8::Handle<v8::Value> V8Storage::namedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
124 {
125     INC_STATS("DOM.Storage.NamedPropertySetter");
126     return storageSetter(name, value, info);
127 }
128
129 static v8::Handle<v8::Boolean> storageDeleter(v8::Local<v8::String> v8Name, const v8::AccessorInfo& info)
130 {
131     Storage* storage = V8Storage::toNative(info.Holder());
132     String name = toWebCoreString(v8Name);
133     
134     if (storage->contains(name)) {
135         storage->removeItem(name);
136         return v8::True();
137     }
138
139     return deletionNotHandledByInterceptor();
140 }
141
142 v8::Handle<v8::Boolean> V8Storage::indexedPropertyDeleter(uint32_t index, const v8::AccessorInfo& info)
143 {
144     INC_STATS("DOM.Storage.IndexedPropertyDeleter");
145     v8::Local<v8::Integer> indexV8 = v8::Integer::New(index);
146     return storageDeleter(indexV8->ToString(), info);
147 }
148
149 v8::Handle<v8::Boolean> V8Storage::namedPropertyDeleter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
150 {
151     INC_STATS("DOM.Storage.NamedPropertyDeleter");
152     return storageDeleter(name, info);
153 }
154
155 } // namespace WebCore
156
157 #endif