Index: third_party/WebKit/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp |
diff --git a/third_party/WebKit/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp b/third_party/WebKit/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp |
deleted file mode 100644 |
index a02a26c59081f5fe46d96117a16c8ab494217af3..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp |
+++ /dev/null |
@@ -1,291 +0,0 @@ |
-/* |
- * Copyright (C) 2013 Google Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are |
- * met: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * Redistributions in binary form must reproduce the above |
- * copyright notice, this list of conditions and the following disclaimer |
- * in the documentation and/or other materials provided with the |
- * distribution. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "bindings/core/v8/CustomElementConstructorBuilder.h" |
- |
-#include "bindings/core/v8/CustomElementBinding.h" |
-#include "bindings/core/v8/DOMWrapperWorld.h" |
-#include "bindings/core/v8/ExceptionState.h" |
-#include "bindings/core/v8/V8Binding.h" |
-#include "bindings/core/v8/V8Document.h" |
-#include "bindings/core/v8/V8HTMLElement.h" |
-#include "bindings/core/v8/V8HiddenValue.h" |
-#include "bindings/core/v8/V8PerContextData.h" |
-#include "bindings/core/v8/V8SVGElement.h" |
-#include "core/HTMLNames.h" |
-#include "core/SVGNames.h" |
-#include "core/dom/Document.h" |
-#include "core/dom/ElementRegistrationOptions.h" |
-#include "core/dom/custom/CustomElementDefinition.h" |
-#include "core/dom/custom/CustomElementDescriptor.h" |
-#include "core/dom/custom/CustomElementException.h" |
-#include "core/dom/custom/CustomElementProcessingStack.h" |
-#include "wtf/Assertions.h" |
- |
-namespace blink { |
- |
-static void constructCustomElement(const v8::FunctionCallbackInfo<v8::Value>&); |
- |
-CustomElementConstructorBuilder::CustomElementConstructorBuilder(ScriptState* scriptState, const ElementRegistrationOptions& options) |
- : m_scriptState(scriptState) |
- , m_options(options) |
-{ |
- ASSERT(m_scriptState->context() == m_scriptState->isolate()->GetCurrentContext()); |
-} |
- |
-bool CustomElementConstructorBuilder::isFeatureAllowed() const |
-{ |
- return m_scriptState->world().isMainWorld(); |
-} |
- |
-bool CustomElementConstructorBuilder::validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState& exceptionState) |
-{ |
- ASSERT(m_prototype.IsEmpty()); |
- |
- v8::TryCatch tryCatch(m_scriptState->isolate()); |
- |
- if (!m_scriptState->perContextData()) { |
- // FIXME: This should generate an InvalidContext exception at a later point. |
- CustomElementException::throwException(CustomElementException::ContextDestroyedCheckingPrototype, type, exceptionState); |
- tryCatch.ReThrow(); |
- return false; |
- } |
- |
- if (m_options.hasPrototype()) { |
- ASSERT(m_options.prototype().isObject()); |
- m_prototype = m_options.prototype().v8Value().As<v8::Object>(); |
- } else { |
- m_prototype = v8::Object::New(m_scriptState->isolate()); |
- v8::Local<v8::Object> basePrototype = m_scriptState->perContextData()->prototypeForType(&V8HTMLElement::wrapperTypeInfo); |
- if (!basePrototype.IsEmpty()) { |
- if (!v8CallBoolean(m_prototype->SetPrototype(m_scriptState->context(), basePrototype))) |
- return false; |
- } |
- } |
- |
- AtomicString namespaceURI = HTMLNames::xhtmlNamespaceURI; |
- if (hasValidPrototypeChainFor(&V8SVGElement::wrapperTypeInfo)) |
- namespaceURI = SVGNames::svgNamespaceURI; |
- |
- ASSERT(!tryCatch.HasCaught()); |
- |
- AtomicString localName; |
- |
- if (m_options.hasExtends()) { |
- localName = AtomicString(m_options.extends().lower()); |
- |
- if (!Document::isValidName(localName)) { |
- CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, exceptionState); |
- tryCatch.ReThrow(); |
- return false; |
- } |
- if (CustomElement::isValidName(localName)) { |
- CustomElementException::throwException(CustomElementException::ExtendsIsCustomElementName, type, exceptionState); |
- tryCatch.ReThrow(); |
- return false; |
- } |
- } else { |
- if (namespaceURI == SVGNames::svgNamespaceURI) { |
- CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, exceptionState); |
- tryCatch.ReThrow(); |
- return false; |
- } |
- localName = type; |
- } |
- |
- ASSERT(!tryCatch.HasCaught()); |
- tagName = QualifiedName(nullAtom, localName, namespaceURI); |
- return true; |
-} |
- |
-CustomElementLifecycleCallbacks* CustomElementConstructorBuilder::createCallbacks() |
-{ |
- ASSERT(!m_prototype.IsEmpty()); |
- |
- v8::TryCatch exceptionCatcher(m_scriptState->isolate()); |
- exceptionCatcher.SetVerbose(true); |
- |
- v8::MaybeLocal<v8::Function> created = retrieveCallback("createdCallback"); |
- v8::MaybeLocal<v8::Function> attached = retrieveCallback("attachedCallback"); |
- v8::MaybeLocal<v8::Function> detached = retrieveCallback("detachedCallback"); |
- v8::MaybeLocal<v8::Function> attributeChanged = retrieveCallback("attributeChangedCallback"); |
- |
- m_callbacks = V8CustomElementLifecycleCallbacks::create(m_scriptState.get(), m_prototype, created, attached, detached, attributeChanged); |
- return m_callbacks.get(); |
-} |
- |
-v8::MaybeLocal<v8::Function> CustomElementConstructorBuilder::retrieveCallback(const char* name) |
-{ |
- v8::Local<v8::Value> value; |
- if (!m_prototype->Get(m_scriptState->context(), v8String(m_scriptState->isolate(), name)).ToLocal(&value) || !value->IsFunction()) |
- return v8::MaybeLocal<v8::Function>(); |
- return v8::MaybeLocal<v8::Function>(value.As<v8::Function>()); |
-} |
- |
-bool CustomElementConstructorBuilder::createConstructor(Document* document, CustomElementDefinition* definition, ExceptionState& exceptionState) |
-{ |
- ASSERT(!m_prototype.IsEmpty()); |
- ASSERT(m_constructor.IsEmpty()); |
- ASSERT(document); |
- |
- v8::Isolate* isolate = m_scriptState->isolate(); |
- v8::Local<v8::Context> context = m_scriptState->context(); |
- |
- if (!prototypeIsValid(definition->descriptor().type(), exceptionState)) |
- return false; |
- |
- const CustomElementDescriptor& descriptor = definition->descriptor(); |
- |
- v8::Local<v8::String> v8TagName = v8String(isolate, descriptor.localName()); |
- v8::Local<v8::Value> v8Type; |
- if (descriptor.isTypeExtension()) |
- v8Type = v8String(isolate, descriptor.type()); |
- else |
- v8Type = v8::Null(isolate); |
- |
- v8::Local<v8::Object> data = v8::Object::New(isolate); |
- V8HiddenValue::setHiddenValue(m_scriptState.get(), data, V8HiddenValue::customElementDocument(isolate), toV8(document, context->Global(), isolate)); |
- V8HiddenValue::setHiddenValue(m_scriptState.get(), data, V8HiddenValue::customElementNamespaceURI(isolate), v8String(isolate, descriptor.namespaceURI())); |
- V8HiddenValue::setHiddenValue(m_scriptState.get(), data, V8HiddenValue::customElementTagName(isolate), v8TagName); |
- V8HiddenValue::setHiddenValue(m_scriptState.get(), data, V8HiddenValue::customElementType(isolate), v8Type); |
- |
- v8::Local<v8::FunctionTemplate> constructorTemplate = v8::FunctionTemplate::New(isolate); |
- constructorTemplate->SetCallHandler(constructCustomElement, data); |
- if (!constructorTemplate->GetFunction(context).ToLocal(&m_constructor)) { |
- CustomElementException::throwException(CustomElementException::ContextDestroyedRegisteringDefinition, definition->descriptor().type(), exceptionState); |
- return false; |
- } |
- |
- m_constructor->SetName(v8Type->IsNull() ? v8TagName : v8Type.As<v8::String>()); |
- |
- v8::Local<v8::String> prototypeKey = v8String(isolate, "prototype"); |
- if (!v8CallBoolean(m_constructor->HasOwnProperty(context, prototypeKey))) |
- return false; |
- // This sets the property *value*; calling Set is safe because |
- // "prototype" is a non-configurable data property so there can be |
- // no side effects. |
- if (!v8CallBoolean(m_constructor->Set(context, prototypeKey, m_prototype))) |
- return false; |
- // This *configures* the property. DefineOwnProperty of a function's |
- // "prototype" does not affect the value, but can reconfigure the |
- // property. |
- if (!v8CallBoolean(m_constructor->DefineOwnProperty(context, prototypeKey, m_prototype, v8::PropertyAttribute(v8::ReadOnly | v8::DontEnum | v8::DontDelete)))) |
- return false; |
- |
- v8::Local<v8::String> constructorKey = v8String(isolate, "constructor"); |
- v8::Local<v8::Value> constructorPrototype; |
- if (!m_prototype->Get(context, constructorKey).ToLocal(&constructorPrototype)) |
- return false; |
- |
- if (!v8CallBoolean(m_constructor->SetPrototype(context, constructorPrototype))) |
- return false; |
- |
- V8HiddenValue::setHiddenValue(m_scriptState.get(), m_prototype, V8HiddenValue::customElementIsInterfacePrototypeObject(isolate), v8::True(isolate)); |
- if (!v8CallBoolean(m_prototype->DefineOwnProperty(context, v8String(isolate, "constructor"), m_constructor, v8::DontEnum))) |
- return false; |
- |
- return true; |
-} |
- |
-bool CustomElementConstructorBuilder::prototypeIsValid(const AtomicString& type, ExceptionState& exceptionState) const |
-{ |
- if (m_prototype->InternalFieldCount() || !V8HiddenValue::getHiddenValue(m_scriptState.get(), m_prototype, V8HiddenValue::customElementIsInterfacePrototypeObject(m_scriptState->isolate())).IsEmpty()) { |
- CustomElementException::throwException(CustomElementException::PrototypeInUse, type, exceptionState); |
- return false; |
- } |
- |
- v8::PropertyAttribute propertyAttribute; |
- if (!v8Call(m_prototype->GetPropertyAttributes(m_scriptState->context(), v8String(m_scriptState->isolate(), "constructor")), propertyAttribute) || (propertyAttribute & v8::DontDelete)) { |
- CustomElementException::throwException(CustomElementException::ConstructorPropertyNotConfigurable, type, exceptionState); |
- return false; |
- } |
- |
- return true; |
-} |
- |
-bool CustomElementConstructorBuilder::didRegisterDefinition() const |
-{ |
- ASSERT(!m_constructor.IsEmpty()); |
- |
- return m_callbacks->setBinding(CustomElementBinding::create(m_scriptState->isolate(), m_prototype)); |
-} |
- |
-ScriptValue CustomElementConstructorBuilder::bindingsReturnValue() const |
-{ |
- return ScriptValue(m_scriptState.get(), m_constructor); |
-} |
- |
-bool CustomElementConstructorBuilder::hasValidPrototypeChainFor(const WrapperTypeInfo* type) const |
-{ |
- v8::Local<v8::Object> elementPrototype = m_scriptState->perContextData()->prototypeForType(type); |
- if (elementPrototype.IsEmpty()) |
- return false; |
- |
- v8::Local<v8::Value> chain = m_prototype; |
- while (!chain.IsEmpty() && chain->IsObject()) { |
- if (chain == elementPrototype) |
- return true; |
- chain = chain.As<v8::Object>()->GetPrototype(); |
- } |
- |
- return false; |
-} |
- |
-static void constructCustomElement(const v8::FunctionCallbackInfo<v8::Value>& info) |
-{ |
- v8::Isolate* isolate = info.GetIsolate(); |
- |
- if (!info.IsConstructCall()) { |
- V8ThrowException::throwTypeError(isolate, "DOM object constructor cannot be called as a function."); |
- return; |
- } |
- |
- if (info.Length() > 0) { |
- V8ThrowException::throwTypeError(isolate, "This constructor should be called without arguments."); |
- return; |
- } |
- |
- ScriptState* scriptState = ScriptState::current(isolate); |
- v8::Local<v8::Object> data = v8::Local<v8::Object>::Cast(info.Data()); |
- Document* document = V8Document::toImpl(V8HiddenValue::getHiddenValue(scriptState, data, V8HiddenValue::customElementDocument(isolate)).As<v8::Object>()); |
- TOSTRING_VOID(V8StringResource<>, namespaceURI, V8HiddenValue::getHiddenValue(scriptState, data, V8HiddenValue::customElementNamespaceURI(isolate))); |
- TOSTRING_VOID(V8StringResource<>, tagName, V8HiddenValue::getHiddenValue(scriptState, data, V8HiddenValue::customElementTagName(isolate))); |
- v8::Local<v8::Value> maybeType = V8HiddenValue::getHiddenValue(scriptState, data, V8HiddenValue::customElementType(isolate)); |
- TOSTRING_VOID(V8StringResource<>, type, maybeType); |
- |
- ExceptionState exceptionState(ExceptionState::ConstructionContext, "CustomElement", info.Holder(), info.GetIsolate()); |
- CustomElementProcessingStack::CallbackDeliveryScope deliveryScope; |
- Element* element = document->createElementNS(namespaceURI, tagName, maybeType->IsNull() ? nullAtom : type, exceptionState); |
- if (exceptionState.throwIfNeeded()) |
- return; |
- v8SetReturnValueFast(info, element, document); |
-} |
- |
-} // namespace blink |