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66f96ff9bf
In Sky there's no concept of embedder custom elements with different naming rules. Lets remove this machinery. R=abarth@chromium.org Review URL: https://codereview.chromium.org/838463004
119 lines
4.7 KiB
C++
119 lines
4.7 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Google Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/config.h"
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#include "sky/engine/core/dom/custom/CustomElementRegistry.h"
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#include "sky/engine/bindings/core/v8/CustomElementConstructorBuilder.h"
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#include "sky/engine/core/dom/DocumentLifecycleObserver.h"
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#include "sky/engine/core/dom/custom/CustomElementException.h"
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#include "sky/engine/core/dom/custom/CustomElementRegistrationContext.h"
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namespace blink {
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class RegistrationContextObserver : public DocumentLifecycleObserver {
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public:
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explicit RegistrationContextObserver(Document* document)
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: DocumentLifecycleObserver(document)
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, m_wentAway(!document)
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{
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}
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bool registrationContextWentAway() { return m_wentAway; }
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private:
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#if ENABLE(OILPAN)
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// In oilpan we don't have the disposed phase for context lifecycle observer.
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virtual void documentWasDetached() override { m_wentAway = true; }
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#else
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virtual void documentWasDisposed() override { m_wentAway = true; }
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#endif
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bool m_wentAway;
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};
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CustomElementDefinition* CustomElementRegistry::registerElement(Document* document, CustomElementConstructorBuilder* constructorBuilder, const AtomicString& userSuppliedName, ExceptionState& exceptionState)
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{
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// FIXME: In every instance except one it is the
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// CustomElementConstructorBuilder that observes document
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// destruction during registration. This responsibility should be
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// consolidated in one place.
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RegistrationContextObserver observer(document);
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AtomicString type = userSuppliedName.lower();
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if (!CustomElement::isValidName(type)) {
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CustomElementException::throwException(CustomElementException::InvalidName, type, exceptionState);
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return 0;
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}
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if (m_definitions.contains(type)) {
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CustomElementException::throwException(CustomElementException::TypeAlreadyRegistered, type, exceptionState);
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return 0;
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}
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QualifiedName tagName = nullName;
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if (!constructorBuilder->validateOptions(type, tagName, exceptionState))
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return 0;
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ASSERT(!observer.registrationContextWentAway());
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RefPtr<CustomElementLifecycleCallbacks> lifecycleCallbacks = constructorBuilder->createCallbacks();
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// Consulting the constructor builder could execute script and
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// kill the document.
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if (observer.registrationContextWentAway()) {
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CustomElementException::throwException(CustomElementException::ContextDestroyedCreatingCallbacks, type, exceptionState);
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return 0;
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}
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const CustomElementDescriptor descriptor(tagName.localName());
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RefPtr<CustomElementDefinition> definition = CustomElementDefinition::create(descriptor, lifecycleCallbacks);
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if (!constructorBuilder->createConstructor(document, definition.get(), exceptionState))
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return 0;
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m_definitions.add(descriptor, definition);
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if (!constructorBuilder->didRegisterDefinition(definition.get())) {
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CustomElementException::throwException(CustomElementException::ContextDestroyedRegisteringDefinition, type, exceptionState);
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return 0;
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}
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return definition.get();
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}
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CustomElementDefinition* CustomElementRegistry::find(const CustomElementDescriptor& descriptor) const
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{
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return m_definitions.get(descriptor);
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}
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} // namespace blink
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