1 /*
2 * Copyright (C) 2012 Google 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "bindings/v8/V8DOMConfiguration.h"
31
32 #include "bindings/v8/V8Binding.h"
33
34 namespace WebCore {
35
installAttributes(v8::Handle<v8::ObjectTemplate> instanceTemplate,v8::Handle<v8::ObjectTemplate> prototype,const AttributeConfiguration * attributes,size_t attributeCount,v8::Isolate * isolate,WrapperWorldType currentWorldType)36 void V8DOMConfiguration::installAttributes(v8::Handle<v8::ObjectTemplate> instanceTemplate, v8::Handle<v8::ObjectTemplate> prototype, const AttributeConfiguration* attributes, size_t attributeCount, v8::Isolate* isolate, WrapperWorldType currentWorldType)
37 {
38 for (size_t i = 0; i < attributeCount; ++i)
39 installAttribute(instanceTemplate, prototype, attributes[i], isolate, currentWorldType);
40 }
41
installAccessors(v8::Handle<v8::ObjectTemplate> prototype,v8::Handle<v8::Signature> signature,const AccessorConfiguration * accessors,size_t accessorCount,v8::Isolate * isolate,WrapperWorldType currentWorldType)42 void V8DOMConfiguration::installAccessors(v8::Handle<v8::ObjectTemplate> prototype, v8::Handle<v8::Signature> signature, const AccessorConfiguration* accessors, size_t accessorCount, v8::Isolate* isolate, WrapperWorldType currentWorldType)
43 {
44 for (size_t i = 0; i < accessorCount; ++i) {
45 v8::FunctionCallback getterCallback = accessors[i].getter;
46 v8::FunctionCallback setterCallback = accessors[i].setter;
47 if (currentWorldType == MainWorld) {
48 if (accessors[i].getterForMainWorld)
49 getterCallback = accessors[i].getterForMainWorld;
50 if (accessors[i].setterForMainWorld)
51 setterCallback = accessors[i].setterForMainWorld;
52 }
53
54 v8::Local<v8::FunctionTemplate> getter;
55 if (getterCallback) {
56 getter = v8::FunctionTemplate::New(isolate, getterCallback, v8::External::New(isolate, const_cast<WrapperTypeInfo*>(accessors[i].data)), signature, 0);
57 getter->RemovePrototype();
58 }
59 v8::Local<v8::FunctionTemplate> setter;
60 if (setterCallback) {
61 setter = v8::FunctionTemplate::New(isolate, setterCallback, v8::External::New(isolate, const_cast<WrapperTypeInfo*>(accessors[i].data)), signature, 1);
62 setter->RemovePrototype();
63 }
64 prototype->SetAccessorProperty(v8::String::NewFromUtf8(isolate, accessors[i].name, v8::String::kInternalizedString), getter, setter, accessors[i].attribute, accessors[i].settings);
65 }
66 }
67
installConstants(v8::Handle<v8::FunctionTemplate> functionDescriptor,v8::Handle<v8::ObjectTemplate> prototype,const ConstantConfiguration * constants,size_t constantCount,v8::Isolate * isolate)68 void V8DOMConfiguration::installConstants(v8::Handle<v8::FunctionTemplate> functionDescriptor, v8::Handle<v8::ObjectTemplate> prototype, const ConstantConfiguration* constants, size_t constantCount, v8::Isolate* isolate)
69 {
70 for (size_t i = 0; i < constantCount; ++i) {
71 const ConstantConfiguration* constant = &constants[i];
72 functionDescriptor->Set(v8::String::NewFromUtf8(isolate, constant->name, v8::String::kInternalizedString), v8::Integer::New(isolate, constant->value), static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
73 prototype->Set(v8::String::NewFromUtf8(isolate, constant->name, v8::String::kInternalizedString), v8::Integer::New(isolate, constant->value), static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
74 }
75 }
76
installCallbacks(v8::Handle<v8::ObjectTemplate> prototype,v8::Handle<v8::Signature> signature,v8::PropertyAttribute attributes,const MethodConfiguration * callbacks,size_t callbackCount,v8::Isolate * isolate,WrapperWorldType currentWorldType)77 void V8DOMConfiguration::installCallbacks(v8::Handle<v8::ObjectTemplate> prototype, v8::Handle<v8::Signature> signature, v8::PropertyAttribute attributes, const MethodConfiguration* callbacks, size_t callbackCount, v8::Isolate* isolate, WrapperWorldType currentWorldType)
78 {
79 for (size_t i = 0; i < callbackCount; ++i) {
80 v8::FunctionCallback callback = callbacks[i].callback;
81 if (currentWorldType == MainWorld && callbacks[i].callbackForMainWorld)
82 callback = callbacks[i].callbackForMainWorld;
83 v8::Local<v8::FunctionTemplate> functionTemplate = v8::FunctionTemplate::New(isolate, callback, v8Undefined(), signature, callbacks[i].length);
84 functionTemplate->RemovePrototype();
85 prototype->Set(v8::String::NewFromUtf8(isolate, callbacks[i].name, v8::String::kInternalizedString), functionTemplate, attributes);
86 }
87 }
88
installDOMClassTemplate(v8::Handle<v8::FunctionTemplate> functionDescriptor,const char * interfaceName,v8::Handle<v8::FunctionTemplate> parentClass,size_t fieldCount,const AttributeConfiguration * attributes,size_t attributeCount,const AccessorConfiguration * accessors,size_t accessorCount,const MethodConfiguration * callbacks,size_t callbackCount,v8::Isolate * isolate,WrapperWorldType currentWorldType)89 v8::Local<v8::Signature> V8DOMConfiguration::installDOMClassTemplate(v8::Handle<v8::FunctionTemplate> functionDescriptor, const char* interfaceName, v8::Handle<v8::FunctionTemplate> parentClass, size_t fieldCount,
90 const AttributeConfiguration* attributes, size_t attributeCount,
91 const AccessorConfiguration* accessors, size_t accessorCount,
92 const MethodConfiguration* callbacks, size_t callbackCount,
93 v8::Isolate* isolate, WrapperWorldType currentWorldType)
94 {
95 functionDescriptor->SetClassName(v8::String::NewFromUtf8(isolate, interfaceName, v8::String::kInternalizedString));
96 v8::Local<v8::ObjectTemplate> instanceTemplate = functionDescriptor->InstanceTemplate();
97 instanceTemplate->SetInternalFieldCount(fieldCount);
98 if (!parentClass.IsEmpty()) {
99 functionDescriptor->Inherit(parentClass);
100 // Marks the prototype object as one of native-backed objects.
101 // This is needed since bug 110436 asks WebKit to tell native-initiated prototypes from pure-JS ones.
102 // This doesn't mark kinds "root" classes like Node, where setting this changes prototype chain structure.
103 v8::Local<v8::ObjectTemplate> prototype = functionDescriptor->PrototypeTemplate();
104 prototype->SetInternalFieldCount(v8PrototypeInternalFieldcount);
105 }
106
107 v8::Local<v8::Signature> defaultSignature = v8::Signature::New(isolate, functionDescriptor);
108 if (attributeCount)
109 installAttributes(instanceTemplate, functionDescriptor->PrototypeTemplate(), attributes, attributeCount, isolate, currentWorldType);
110 if (accessorCount)
111 installAccessors(functionDescriptor->PrototypeTemplate(), defaultSignature, accessors, accessorCount, isolate, currentWorldType);
112 if (callbackCount)
113 installCallbacks(functionDescriptor->PrototypeTemplate(), defaultSignature, static_cast<v8::PropertyAttribute>(v8::DontDelete), callbacks, callbackCount, isolate, currentWorldType);
114 return defaultSignature;
115 }
116
117 } // namespace WebCore
118