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| 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 | |
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