OLD | NEW |
| (Empty) |
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/V8ObjectConstructor.h" | |
33 #include "platform/TraceEvent.h" | |
34 | |
35 namespace WebCore { | |
36 | |
37 void V8DOMConfiguration::installAttributes(v8::Handle<v8::ObjectTemplate> instan
ceTemplate, v8::Handle<v8::ObjectTemplate> prototype, const AttributeConfigurati
on* attributes, size_t attributeCount, v8::Isolate* isolate) | |
38 { | |
39 for (size_t i = 0; i < attributeCount; ++i) | |
40 installAttribute(instanceTemplate, prototype, attributes[i], isolate); | |
41 } | |
42 | |
43 void V8DOMConfiguration::installAccessors(v8::Handle<v8::ObjectTemplate> prototy
pe, v8::Handle<v8::Signature> signature, const AccessorConfiguration* accessors,
size_t accessorCount, v8::Isolate* isolate) | |
44 { | |
45 bool isMainWorld = DOMWrapperWorld::current(isolate).isMainWorld(); | |
46 for (size_t i = 0; i < accessorCount; ++i) { | |
47 v8::FunctionCallback getterCallback = accessors[i].getter; | |
48 v8::FunctionCallback setterCallback = accessors[i].setter; | |
49 if (isMainWorld) { | |
50 if (accessors[i].getterForMainWorld) | |
51 getterCallback = accessors[i].getterForMainWorld; | |
52 if (accessors[i].setterForMainWorld) | |
53 setterCallback = accessors[i].setterForMainWorld; | |
54 } | |
55 | |
56 v8::Local<v8::FunctionTemplate> getter; | |
57 if (getterCallback) { | |
58 getter = v8::FunctionTemplate::New(isolate, getterCallback, v8::Exte
rnal::New(isolate, const_cast<WrapperTypeInfo*>(accessors[i].data)), signature,
0); | |
59 getter->RemovePrototype(); | |
60 } | |
61 v8::Local<v8::FunctionTemplate> setter; | |
62 if (setterCallback) { | |
63 setter = v8::FunctionTemplate::New(isolate, setterCallback, v8::Exte
rnal::New(isolate, const_cast<WrapperTypeInfo*>(accessors[i].data)), signature,
1); | |
64 setter->RemovePrototype(); | |
65 } | |
66 prototype->SetAccessorProperty(v8AtomicString(isolate, accessors[i].name
), getter, setter, accessors[i].attribute, accessors[i].settings); | |
67 } | |
68 } | |
69 | |
70 void V8DOMConfiguration::installConstants(v8::Handle<v8::FunctionTemplate> funct
ionDescriptor, v8::Handle<v8::ObjectTemplate> prototype, const ConstantConfigura
tion* constants, size_t constantCount, v8::Isolate* isolate) | |
71 { | |
72 for (size_t i = 0; i < constantCount; ++i) { | |
73 const ConstantConfiguration* constant = &constants[i]; | |
74 v8::Handle<v8::String> constantName = v8AtomicString(isolate, constant->
name); | |
75 functionDescriptor->Set(constantName, v8::Integer::New(isolate, constant
->value), static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
76 prototype->Set(constantName, v8::Integer::New(isolate, constant->value),
static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
77 } | |
78 } | |
79 | |
80 void V8DOMConfiguration::installMethods(v8::Handle<v8::ObjectTemplate> prototype
, v8::Handle<v8::Signature> signature, v8::PropertyAttribute attributes, const M
ethodConfiguration* callbacks, size_t callbackCount, v8::Isolate* isolate) | |
81 { | |
82 bool isMainWorld = DOMWrapperWorld::current(isolate).isMainWorld(); | |
83 for (size_t i = 0; i < callbackCount; ++i) { | |
84 v8::FunctionCallback callback = callbacks[i].callback; | |
85 if (isMainWorld && callbacks[i].callbackForMainWorld) | |
86 callback = callbacks[i].callbackForMainWorld; | |
87 v8::Local<v8::FunctionTemplate> functionTemplate = v8::FunctionTemplate:
:New(isolate, callback, v8Undefined(), signature, callbacks[i].length); | |
88 functionTemplate->RemovePrototype(); | |
89 prototype->Set(v8AtomicString(isolate, callbacks[i].name), functionTempl
ate, attributes); | |
90 } | |
91 } | |
92 | |
93 v8::Local<v8::Signature> V8DOMConfiguration::installDOMClassTemplate(v8::Handle<
v8::FunctionTemplate> functionDescriptor, const char* interfaceName, v8::Handle<
v8::FunctionTemplate> parentClass, size_t fieldCount, | |
94 const AttributeConfiguration* attributes, size_t attributeCount, | |
95 const AccessorConfiguration* accessors, size_t accessorCount, | |
96 const MethodConfiguration* callbacks, size_t callbackCount, | |
97 v8::Isolate* isolate) | |
98 { | |
99 functionDescriptor->SetClassName(v8AtomicString(isolate, interfaceName)); | |
100 v8::Local<v8::ObjectTemplate> instanceTemplate = functionDescriptor->Instanc
eTemplate(); | |
101 instanceTemplate->SetInternalFieldCount(fieldCount); | |
102 if (!parentClass.IsEmpty()) { | |
103 functionDescriptor->Inherit(parentClass); | |
104 // Marks the prototype object as one of native-backed objects. | |
105 // This is needed since bug 110436 asks WebKit to tell native-initiated
prototypes from pure-JS ones. | |
106 // This doesn't mark kinds "root" classes like Node, where setting this
changes prototype chain structure. | |
107 v8::Local<v8::ObjectTemplate> prototype = functionDescriptor->PrototypeT
emplate(); | |
108 prototype->SetInternalFieldCount(v8PrototypeInternalFieldcount); | |
109 } | |
110 | |
111 v8::Local<v8::Signature> defaultSignature = v8::Signature::New(isolate, func
tionDescriptor); | |
112 if (attributeCount) | |
113 installAttributes(instanceTemplate, functionDescriptor->PrototypeTemplat
e(), attributes, attributeCount, isolate); | |
114 if (accessorCount) | |
115 installAccessors(functionDescriptor->PrototypeTemplate(), defaultSignatu
re, accessors, accessorCount, isolate); | |
116 if (callbackCount) | |
117 installMethods(functionDescriptor->PrototypeTemplate(), defaultSignature
, static_cast<v8::PropertyAttribute>(v8::DontDelete), callbacks, callbackCount,
isolate); | |
118 return defaultSignature; | |
119 } | |
120 | |
121 v8::Handle<v8::FunctionTemplate> V8DOMConfiguration::domClassTemplate(v8::Isolat
e* isolate, WrapperTypeInfo* wrapperTypeInfo, void (*configureDOMClassTemplate)(
v8::Handle<v8::FunctionTemplate>, v8::Isolate*)) | |
122 { | |
123 V8PerIsolateData* data = V8PerIsolateData::from(isolate); | |
124 v8::Local<v8::FunctionTemplate> result = data->existingDOMTemplate(wrapperTy
peInfo); | |
125 if (!result.IsEmpty()) | |
126 return result; | |
127 | |
128 TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "BuildDOMTemplate"); | |
129 result = v8::FunctionTemplate::New(isolate, V8ObjectConstructor::isValidCons
tructorMode); | |
130 configureDOMClassTemplate(result, isolate); | |
131 data->setDOMTemplate(wrapperTypeInfo, result); | |
132 return result; | |
133 } | |
134 | |
135 } // namespace WebCore | |
OLD | NEW |