| /* |
| * Copyright (C) 2012 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: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. 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. |
| */ |
| |
| #ifndef CustomElementRegistry_h |
| #define CustomElementRegistry_h |
| |
| #if ENABLE(CUSTOM_ELEMENTS) |
| |
| #include "ContextDestructionObserver.h" |
| #include "ExceptionCode.h" |
| #include "QualifiedName.h" |
| #include "ScriptValue.h" |
| #include "Supplementable.h" |
| #include <wtf/HashSet.h> |
| #include <wtf/ListHashSet.h> |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/RefPtr.h> |
| #include <wtf/Vector.h> |
| #include <wtf/text/AtomicStringHash.h> |
| |
| namespace WebCore { |
| |
| class CustomElementConstructor; |
| class Dictionary; |
| class Document; |
| class Element; |
| class ScriptExecutionContext; |
| class QualifiedName; |
| |
| class CustomElementInvocation { |
| public: |
| explicit CustomElementInvocation(PassRefPtr<Element>); |
| ~CustomElementInvocation(); |
| |
| Element* element() const { return m_element.get(); } |
| |
| private: |
| RefPtr<Element> m_element; |
| }; |
| |
| class CustomElementRegistry : public RefCounted<CustomElementRegistry> , public ContextDestructionObserver { |
| WTF_MAKE_NONCOPYABLE(CustomElementRegistry); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| class CallbackDeliveryScope { |
| public: |
| CallbackDeliveryScope() { } |
| ~CallbackDeliveryScope() { CustomElementRegistry::deliverAllLifecycleCallbacksIfNeeded(); } |
| }; |
| |
| explicit CustomElementRegistry(Document*); |
| ~CustomElementRegistry(); |
| |
| PassRefPtr<CustomElementConstructor> registerElement(WebCore::ScriptState*, const AtomicString& name, const Dictionary& options, ExceptionCode&); |
| PassRefPtr<CustomElementConstructor> findFor(Element*) const; |
| PassRefPtr<CustomElementConstructor> find(const QualifiedName& elementName, const QualifiedName& localName) const; |
| PassRefPtr<Element> createElement(const QualifiedName& localName, const AtomicString& typeExtension) const; |
| |
| Document* document() const; |
| |
| void didGiveTypeExtension(Element*); |
| void didCreateElement(Element*); |
| |
| static void deliverAllLifecycleCallbacks(); |
| static void deliverAllLifecycleCallbacksIfNeeded(); |
| |
| private: |
| typedef HashMap<std::pair<QualifiedName, QualifiedName>, RefPtr<CustomElementConstructor> > ConstructorMap; |
| typedef HashSet<AtomicString> NameSet; |
| typedef ListHashSet<CustomElementRegistry*> InstanceSet; |
| |
| static bool isValidName(const AtomicString&); |
| static InstanceSet& activeCustomElementRegistries(); |
| |
| void activate(const CustomElementInvocation&); |
| void deactivate(); |
| void deliverLifecycleCallbacks(); |
| |
| ConstructorMap m_constructors; |
| NameSet m_names; |
| Vector<CustomElementInvocation> m_invocations; |
| }; |
| |
| inline void CustomElementRegistry::deliverAllLifecycleCallbacksIfNeeded() |
| { |
| if (!activeCustomElementRegistries().isEmpty()) |
| deliverAllLifecycleCallbacks(); |
| ASSERT(activeCustomElementRegistries().isEmpty()); |
| } |
| |
| inline CustomElementRegistry::InstanceSet& CustomElementRegistry::activeCustomElementRegistries() |
| { |
| DEFINE_STATIC_LOCAL(InstanceSet, activeInstances, ()); |
| return activeInstances; |
| } |
| |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(CUSTOM_ELEMENTS) |
| #endif |